diff --git a/.DS_Store b/.DS_Store new file mode 100644 index 0000000..6f07a30 Binary files /dev/null and b/.DS_Store differ diff --git a/00-RELEASENOTES b/00-RELEASENOTES index e6dd01d..6f39b33 100644 --- a/00-RELEASENOTES +++ b/00-RELEASENOTES @@ -1,304 +1,414 @@ -Redis 2.6 release notes -======================= - -** IMPORTANT ** Check the 'Migrating from 2.4 to 2.6' section at the end of - this file for information about what changed between 2.4 and - 2.6 and how this may affect your application. - --------------------------------------------------------------------------------- -Upgrade urgency levels: - -LOW: No need to upgrade unless there are new features you want to use. -MODERATE: Program an upgrade of the server, but it's not urgent. -HIGH: There is a critical bug that may affect a subset of users. Upgrade! -CRITICAL: There is a critical bug affecting MOST USERS. Upgrade ASAP. --------------------------------------------------------------------------------- - ---[ Redis 2.6.7 ] - -UPGRADE URGENCY: MODERATE (unless you BLPOP using the same key multiple times). - -* [BUGFIX] Don't crash if BLPOP & co are called with the same key repeated - multiple times (Issue #801). - ---[ Redis 2.6.6 ] - -UPGRADE URGENCY: CRITICAL if you experienced one more more crashes. - MODERATE if Redis is running fine for you. - -* [BUGFIX] Jemalloc updated to 3.2.0. - ---[ Redis 2.6.5 ] - -UPGRADE URGENCY: MODERATE - -Warning: this release of Redis introduces a different behavior in MULTI/EXEC - handling of errors. This was done because the new behavior is safer - compared to the old one, and should not break any code targeting - Redis 2.6 in a critical way. - - For more information check http://redis.io/topics/transactions - -* [IMPROVED] RDB/AOF childern now log amount of additional memory used - because of copy on write. -* [BUGFIX] MIGRATE non critical fixes (see commits for details). -* [BUGFIX] MULTI/EXEC: now EXEC aborts on errors before EXEC. -* [BUGFIX] Fix integer overflow in zunionInterGenericCommand resulting - into Z[INTER|UNION][STORE] commands to crash under extremely - unlikely conditions (almost impossible in real world). -* [BUGFIX] EVALSHA is now case insensitive (and will not crash). - ---[ Redis 2.6.4 ] - -UPGRADE URGENCY: LOW - -* [IMPROVED] BSD license and copyright notice added to every .c and .h file. - ---[ Redis 2.6.2 ] - -UPGRADE URGENCY: LOW - -* [BUGFIX] The compilation fix for RHLE5 in 2.6.1 was broken. Fixed. -* [IMPROVED] Linenoise updated, now supports Ctrl+w. - ----[ Redis 2.6.1 ] - -UPGRADE URGENCY: LOW - -* [BUGFIX] Compilation on Linux < 2.6.17 or glibc < 2.6 fixed (RHLE5 & co). - ----[ Redis 2.6.0 ] - -UPGRADE URGENCY: HIGH - -* [BUGFIX] Allow AUTH when server is in -BUSY state because of a slow script. -* [BUGFIX] MULTI/EXEC flow now makes sense when observed in MONITOR -* [BUGFIX] SCRIPT KILL now uses different error prefixes for different errors. -* [BUGFIX] Default memory limit for 32bit archs lowered from 3.5 to 3 GB. -* [BUGFIX] redis-check-dump is now compatible with RDB files generated by 2.6. -* [IMPROVED] New field in INFO: slave_read_only. - ----[ Redis 2.5.14 (2.6 Release Candidate 8) ] - -* [BUGFIX] Fixed compilation on FreeBSD. -* [IMPROVED] SRANDMEMBER that returns multiple random elements. -* [IMPROVED] Sentinel backported to 2.6. It will be taken in sync with 2.8. -* [IMPROVED] Helper function for scripting to return errors and status replies. -* [IMPROVED] SORT by nosort [ASC|DESC] uses sorted set elements ordering. -* [BUGFIX] Better resistence to system clock skew. -* [IMPROVED] Warn the user when the configured maxmemory seems odd. -* [BUGFIX] Hashing function is now murmurhash2 for security purposes. -* [IMPROVED] Install script no longer uses a template but redis.conf itself. - ----[ Redis 2.5.13 (2.6 Release Candidate 7) ] - -UPGRADE URGENCY: HIGH - -* [BUGFIX] Theoretical bug in ziplist fixed. -* [BUGFIX] Better out of memory handling (Log produced in log file). -* [BUGFIX] Incrementally flush RDB file on slave side while performing the - first synchronization with the master. This makes Redis less - blocking in environments where disk I/O is slow. -* [BUGFIX] Don't crash with Lua's redis.call() without arguments. -* [BUGFIX] Don't crash after a big number of Lua calls on 32 bit systems - because of a failed assertion. -* [BUGFIX] Fix SORT behaviour when called from scripting. -* [BUGFIX] Adjust slave PING period accordingly to REDIS_HZ define. -* [BUGFIX] BITCOUNT: fix crash on overflowing arguments. -* [BUGFIX] Return an error when SELECT argument is not an integer. -* [BUGFIX] Blocking operations on lists were completely reimplemented for - correctness. Now blocking list ops and pushes originated from - Lua scripts will play well together and will be replicated - and transmitted to the AOF correctly. -* [IMPROVED] Send async PING before starting replication to avoid blocking if - master allows us to connect but it is actually not able to reply. -* [IMPROVED] Support slave-priority for Redis Sentinel. -* [IMPROVED] Hiredis library updated. - ----[ Redis 2.5.12 (2.6 Release Candidate 6) ] - -UPGRADE URGENCY: MODERATE. - -* [BUGFIX] Fixed a timing attack on AUTH (Issue #560). -* [BUGFIX] Don't assume that "char" is signed. -* [BUGFIX] Check that we have connection before enabling pipe mode. -* [BUGFIX] Use the optimized version of the function to convert a double to - its string representation. Compilation was disabled because of - a typo in the #if statement. -* [IMPROVED} REPLCONF internal command introduced, now INFO shows slaves with - correct port numbers. This makes 2.5.12 Redis Sentinel compatible. -* [IMPROVED] Truncate short write from the AOF for a cleaner restart. On short - writes (for instance out of space) Redis will now try to remove - the half-written data so that the next restart will work without - the need for the "redis-check-aof" utility. -* [IMPROVED] New in INFO: aof_last_bgrewrite_status -* [IMPROVED] Allow Pub/Sub in contexts where other commands are blocked. -* [BUGFIX] mark fd as writable when EPOLLERR or EPOLLHUP is returned by - epoll_wait. - ----[ Redis 2.5.11 (2.6 Release Candidate 5) ] - -UPGRADE URGENCY: HIGH. - -* [BUGFIX] Fixed Hash corruption when loading an RDB file generated by - previous versions of Redis that encoded hashes using - a different ziplist encoding format for small integers. - All the fileds that are integers in the range 0-255 may not - be recognized, or duplicated un updates, causing a crash - when the ziplist is converted to a real hash. (Issue #547). -* [BUGFIX] Fixed the count of memory used by output buffers in the - setDeferredMultiBulkLength() function. - ----[ Redis 2.5.10 (2.6 Release Candidate 4) ] - -UPGRADE URGENCY: HIGH. - -* [BUGFIX] Allow PREFIX to be overwritten on "make install". -* [BUGFIX] Run the test with just one client if the computer is slow. -* [BUGFIX] Event port support in our event driven libray. -* [BUGFIX] Jemalloc updated to 3.0.0. This fixes a possibly AOF rewrite issue. - See https://github.com/antirez/redis/issues/504 for info. -* [BUGFIX] Fixed issue #516: ZINTERSTORE / ZUNIONSTORE with mixed sets/zsets. -* [BUGFIX] Set fd to writable when poll(2) detects POLLERR or POLLHUP event. -* [BUGFIX] Fixed RESTORE hash failure (Issue #532). -* [IMPROVED] Allow an AOF rewrite buffer > 2GB (Related to issue #504). -* [IMPROVED] Server cron function frequency is now configurable (REDIS_HZ). -* [IMPROVED] Better, less blocking expired keys collection algorithm. -* [FEATURE] New commands: BITOP and BITCOUNT. -* [FEATURE] redis-cli --pipe for mass import. - -What's new in Redis 2.5.9 (aka 2.6 Release Candidate 3) -======================================================= - -UPGRADE URGENCY: critical, upgrade ASAP. - -* [BUGFIX] Fix for issue #500 (https://github.com/antirez/redis/pull/500). - Redis 2.6-RC1 and RC2 may corrupt ziplist-encoded sorted sets - produced by Redis 2.4.x. -* [BUGFIX] Fixed several bugs in init.d script. -* [BUGFIX] syncio.c functions modified for speed and correctness. On osx - (and possibly other BSD-based systems) the slave would block on - replication to send the SYNC command when the master was not - available. This is fixed now, but was not affecting Linux installs. -* Now when slave-serve-stale-data is set to yes and the master is down, instead - of reporting a generic error Redis replies with -MASTERDOWN. - -What's new in Redis 2.5.8 (aka 2.6 Release Candidate 2) -======================================================= - -UPGRADE URGENCY: high for all the users of the KEYS command, otherwise low. - -* [BUGFIX] Fix for KEYS command: if the DB contains keys with expires the KEYS - command may return the wrong output, having duplicated or missing - keys. See issue #487 and #488 on github for details. - -What's new in Redis 2.5.7 (aka 2.6 Release Candidate 1) -======================================================= - -UPGRADE URGENCY: upgrade not recommended because this is an RC release. - -* This is the first release candidate for Redis 2.6. We are not aware of - bugs, but part of this code is young and was never tested in production - environments, so handle with care. - -An overview of new features and changes in Redis 2.6.x -====================================================== - -* Server side Lua scripting, see http://redis.io/commands/eval -* Virtual Memory removed (was deprecated in 2.4) -* Hardcoded limits about max number of clients removed. -* AOF low level semantics is generally more sane, and especially when used - in slaves. -* Milliseconds resolution expires, also added new commands with milliseconds - precision (PEXPIRE, PTTL, ...). -* Better memory usage for "small" lists, ziplists and hashes when fields or - values contain small integers. -* Read only slaves. -* New bit opeations: BITCOUNT and BITOP commands. -* Clients max output buffer soft and hard limits. You can specifiy different - limits for different classes of clients (normal,pubsub,slave). -* More incremental (less blocking) expired keys collection algorithm, in - practical terms this means that Redis is more responsive when a very - big number of keys expire about at the same time. -* AOF is now able to rewrite aggregate data types using variadic commands, - often producing an AOF that is faster to save, load, and is smaller in size. -* Every redis.conf directive is now accepted as a command line option for the - redis-server binary, with the same name and number of arguments. -* Hash table seed randomization for protection against collisions attacks. -* Performances improved when writing large objects to Redis. -* Integrated memory test, see redis-server --test-memory. -* INCRBYFLOAT and HINCRBYFLOAT commands. -* New DUMP, RESTORE, MIGRATE commands (back ported from Redis Cluster to 2.6). -* CRC64 checksump in RDB files. -* Better MONITOR output and behavior (now commands are logged before execution). -* "Software Watchdog" feature to debug latency issues. -* Significant parts of the core refactored or rewritten. New internal APIs - and core changes allowed to develop Redis Cluster on top of the new code, - however for 2.6 all the cluster code was removed, and will be released with - Redis 3.0 when it is more complete and stable. -* Redis ASCII art logo added at startup. -* Crash report on memory violation or failed asserts improved significantly - to make debugging of hard to catch bugs simpler. -* redis-benchmark improvements: ability to run selected tests, - CSV output, faster, better help. -* redis-cli improvements: --eval for comfortable development of Lua scripts. -* SHUTDOWN now supports two optional arguments: "SAVE" and "NOSAVE". -* INFO output split into sections, the command is now able to just show - pecific sections. -* New statistics about how many time a command was called, and how much - execution time it used (INFO commandstats). -* More predictable SORT behavior in edge cases. -* Better support for big endian and *BSD systems. -* Build system improved. - -Migrating from 2.4 to 2.6 -========================= - -Redis 2.4 is mostly a strict subset of 2.6. However there are a few things -that you should be aware of: - -* You can't use .rdb and AOF files generated with 2.6 into a 2.4 instance. -* 2.6 slaves can be attached to 2.4 masters, but not the contrary, and only - for the time needed to perform the version upgrade. - -There are also a few API differences, that are unlikely to cause problems, -but it is better to keep them in mind: - -* SORT now will refuse to sort in numerical mode elements that can't be parsed - as numbers. -* EXPIREs now all have millisecond resolution (but this is very unlikely to - break code that was not conceived exploting the previous resolution error - in some way.) -* INFO output is a bit different now, and contains empty lines and comments - starting with '#'. All the major clients should be already fixed to work - with the new INFO format. -* Slaves are only read-only by default (but you can change this easily - setting the "slave-read-only" configuration option to "no" editing your - redis.conf or using CONFIG SET. - -The following INFO fields were renamed for consistency: - - changes_since_last_save -> rdb_changes_since_last_save - bgsave_in_progress -> rdb_bgsave_in_progress - last_save_time -> rdb_last_save_time - last_bgsave_status -> rdb_last_bgsave_status - bgrewriteaof_in_progress -> aof_rewrite_in_progress - bgrewriteaof_scheduled -> aof_rewrite_scheduled - -The following redis.conf and CONFIG GET / SET parameters changed: - - * hash-max-zipmap-entries, now replaced by hash-max-ziplist-entries - * hash-max-zipmap-value, now replaced by hash-max-ziplist-value - * glueoutputbuf option was now completely removed (was deprecated) - --------------------------------------------------------------------------------- - -Credits: Where not specified the implementation and design are done by -Salvatore Sanfilippo and Pieter Noordhuis. Thanks to VMware for making all -this possible. Also many thanks to all the other contributors and the amazing -community we have. - -See commit messages for more credits. - -Cheers, -Salvatore +Redis 2.6 release notes +======================= + +** IMPORTANT ** Check the 'Migrating from 2.4 to 2.6' section at the end of + this file for information about what changed between 2.4 and + 2.6 and how this may affect your application. + +-------------------------------------------------------------------------------- +Upgrade urgency levels: + +LOW: No need to upgrade unless there are new features you want to use. +MODERATE: Program an upgrade of the server, but it's not urgent. +HIGH: There is a critical bug that may affect a subset of users. Upgrade! +CRITICAL: There is a critical bug affecting MOST USERS. Upgrade ASAP. +-------------------------------------------------------------------------------- + +--[ Redis 2.6.14 ] Release date: 20 Jun 2013 + +UPGRADE URGENCY: HIGH because of the following two issues: + * Lua scripting + Replication + AOF in slaves problem (see Issue #1164). + * AOF + expires possible race condition (see Issue #1079). + +* [FIX] AOF bug: expire could be removed from key on AOF rewrite. +* [FIX] Allow writes from scripts called by AOF loading in read-only slaves. +* [FIX] Sentinel: parse new verison of INFO replication output correctly. +* [NEW] Reset masterauth if an empty string is configured. + +--[ Redis 2.6.13 ] + +UPGRADE URGENCY: MODERATE, nothing very critical but upgrading is suggested + if you experienced: + + 1) Strange issues with Lua scripting. + 2) Not reconfigured reappearing master using Sentinel. + 3) Server continusly trying to save on save error. + + This version of Redis may also help with AOF and slow / busy + disks and latency issues. + +* [FIX] Throttle BGSAVE attempt on saving error. +* [FIX] redis-cli: raise error on bad command line switch. +* [FIX] Redis/Jemalloc Gitignore were too aggressive. +* [FIX] Test: fix RDB test checking file permissions. +* [FIX] Sentinel: always redirect on master->slave transition. +* [FIX] Lua updated to version 5.1.5. Fixes rare scripting issues. +* [NEW] AOF: improved latency figures with slow/busy disks. +* [NEW] Sentinel: turn old master into a slave when it comes back. +* [NEW] More explicit panic message on out of memory. +* [NEW] redis-cli: --latency-history mode implemented. + +--[ Redis 2.6.12 ] + +UPGRADE URGENCY: MODERATE, nothing very critical but a few non trivial bugs. + +* [BUGFIX] redis-cli --bigkeys: don't crash with empty DB. +* [BUGFIX] stop-writes-on-bgsave-error now works in redis.conf +* [BUGFIX] Don't crash at startup if RDB is there but can't be opened. +* [BUGFIX] Initial value for master_link_down_since_seconds is now huge. +* [BUGFIX] Allow SELECT while loading the DB. +* [BUGFIX] Don't replicate/AOF an empty MULTI/EXEC if the transaction + is empty or containing just read-only commands. +* [BUGFIX] EXPIRE should not be able to resurrect keys (see issue #1026). +* [IMPROVED] Extended SET back ported from Redis 2.8 / unstable + See http://redis.io/commands/set for more information. +* [IMPROVED] Test suite improved. + +--[ Redis 2.6.11 ] + +UPGRADE URGENCY: LOW, however updating is encouraged if you have many instances + per server and you want to lower the CPU / energy usage. + +* [BUGFIX] Replication: more strict error checking for master PING reply. +* [BUGFIX] redis-cli: use keepalive socket option for improved reliability. +* [BUGFIX] Allow AUTH while loading the DB in memory. +* [BUGFIX] Don't segfault on unbalanced quotes while parsing config file. +* [BUGFIX] Don't segfault if command gets propagated to AOF / replication + link as another command name that was renamed in redis.conf +* [IMPROVED] serverCron() frequency is now a runtime parameter (was REDIS_HZ). +* [IMPROVED] Use a lot less CPU when idle, even with many configured DBs. + +--[ Redis 2.6.10 ] + +UPGRADE URGENCY: MODERATE, this release contains many non-critical fixes + and many small improvements. + +* [BUGFIX] redis-cli --rdb, fixed when the server sends newlines to ping. +* [BUGFIX] redis-cli, minor fixes on connection handling, prompt. +* [BUGFIX] Slow log: don't log EXEC, just executed commands. +* [BUGFIX] On failed shutdown don't try again and again compulsively. +* [BUGFIX] Fix build on sunos without backtrace(). +* [BUGFIX] UNSUBSCRIBE and PUNSUBSCRIBE: always provide a reply (see 742e580) +* [BUGFIX] Lua struct library was broken, upgraded. +* [BUGFIX] Fix a bug in srandmemberWithCountCommand() with count argument. +* [BUGFIX] Test: disable clients timeout to prevent issues on slow systems. +* [BUGFIX] Sentinel: don't advertise the promoted slave as master too early. +* [IMPROVED] Whitelist SIGUSR1, see http://redis.io/topics/signals. +* [IMPROVED] Simpler to understand redis-cli --bigkeys output. +* [IMPROVED] Test now works with tclsh > 8.5. +* [IMPROVED] Added option to turn of the Nagle algorithm in slave socket. +* [IMPROVED] Optionally use SO_KEEPALIVE to detect dead peers. + +--[ Redis 2.6.9 ] + +UPGRADE URGENCY: MODERATE if you use replication. + +* [BUGFIX] Changing master at runtime (SLAVEOF command) in presence of + network problems, or in very rapid succession, could result + in non-critical problems (GitHub Issue #828). +* [IMPROVED] CLINGET GETNAME and SETNAME to set and query connection names + reported by CLIENT LIST. Very useful for debugging of + problems. +* [IMPROVED] redis-cli is now able to transfer an RDB file from a remote + server to a local file using the --rdb command + line option. + +--[ Redis 2.6.8 ] + +UPGRADE URGENCY: MODERATE if you use Lua scripting. Otherwise LOW. + +* [BUGFIX] Multiple fixes for EVAL (issue #872). +* [BUGFIX] Fix overflow in mstime() in redis-cli and benchmark. +* [BUGFIX] Fix Linux / PPC64 behavior by correcting endianess detection. +* [BUGFIX] Fix NetBSD build by defining _XOPEN_SOURCE appropriately. +* [BUGFIX] Added missing license and copyright in a few places. +* [BUGFIX] Better error reporting when fd event creation fails. + +--[ Redis 2.6.7 ] + +UPGRADE URGENCY: MODERATE (unless you BLPOP using the same key multiple times). + +* [BUGFIX] Don't crash if BLPOP & co are called with the same key repeated + multiple times (Issue #801). + +--[ Redis 2.6.6 ] + +UPGRADE URGENCY: CRITICAL if you experienced one more more crashes. + MODERATE if Redis is running fine for you. + +* [BUGFIX] Jemalloc updated to 3.2.0. + +--[ Redis 2.6.5 ] + +UPGRADE URGENCY: MODERATE + +Warning: this release of Redis introduces a different behavior in MULTI/EXEC + handling of errors. This was done because the new behavior is safer + compared to the old one, and should not break any code targeting + Redis 2.6 in a critical way. + + For more information check http://redis.io/topics/transactions + +* [IMPROVED] RDB/AOF childern now log amount of additional memory used + because of copy on write. +* [BUGFIX] MIGRATE non critical fixes (see commits for details). +* [BUGFIX] MULTI/EXEC: now EXEC aborts on errors before EXEC. +* [BUGFIX] Fix integer overflow in zunionInterGenericCommand resulting + into Z[INTER|UNION][STORE] commands to crash under extremely + unlikely conditions (almost impossible in real world). +* [BUGFIX] EVALSHA is now case insensitive (and will not crash). + +--[ Redis 2.6.4 ] + +UPGRADE URGENCY: LOW + +* [IMPROVED] BSD license and copyright notice added to every .c and .h file. + +--[ Redis 2.6.2 ] + +UPGRADE URGENCY: LOW + +* [BUGFIX] The compilation fix for RHLE5 in 2.6.1 was broken. Fixed. +* [IMPROVED] Linenoise updated, now supports Ctrl+w. + +---[ Redis 2.6.1 ] + +UPGRADE URGENCY: LOW + +* [BUGFIX] Compilation on Linux < 2.6.17 or glibc < 2.6 fixed (RHLE5 & co). + +---[ Redis 2.6.0 ] + +UPGRADE URGENCY: HIGH + +* [BUGFIX] Allow AUTH when server is in -BUSY state because of a slow script. +* [BUGFIX] MULTI/EXEC flow now makes sense when observed in MONITOR +* [BUGFIX] SCRIPT KILL now uses different error prefixes for different errors. +* [BUGFIX] Default memory limit for 32bit archs lowered from 3.5 to 3 GB. +* [BUGFIX] redis-check-dump is now compatible with RDB files generated by 2.6. +* [IMPROVED] New field in INFO: slave_read_only. + +---[ Redis 2.5.14 (2.6 Release Candidate 8) ] + +* [BUGFIX] Fixed compilation on FreeBSD. +* [IMPROVED] SRANDMEMBER that returns multiple random elements. +* [IMPROVED] Sentinel backported to 2.6. It will be taken in sync with 2.8. +* [IMPROVED] Helper function for scripting to return errors and status replies. +* [IMPROVED] SORT by nosort [ASC|DESC] uses sorted set elements ordering. +* [BUGFIX] Better resistence to system clock skew. +* [IMPROVED] Warn the user when the configured maxmemory seems odd. +* [BUGFIX] Hashing function is now murmurhash2 for security purposes. +* [IMPROVED] Install script no longer uses a template but redis.conf itself. + +---[ Redis 2.5.13 (2.6 Release Candidate 7) ] + +UPGRADE URGENCY: HIGH + +* [BUGFIX] Theoretical bug in ziplist fixed. +* [BUGFIX] Better out of memory handling (Log produced in log file). +* [BUGFIX] Incrementally flush RDB file on slave side while performing the + first synchronization with the master. This makes Redis less + blocking in environments where disk I/O is slow. +* [BUGFIX] Don't crash with Lua's redis.call() without arguments. +* [BUGFIX] Don't crash after a big number of Lua calls on 32 bit systems + because of a failed assertion. +* [BUGFIX] Fix SORT behaviour when called from scripting. +* [BUGFIX] Adjust slave PING period accordingly to REDIS_HZ define. +* [BUGFIX] BITCOUNT: fix crash on overflowing arguments. +* [BUGFIX] Return an error when SELECT argument is not an integer. +* [BUGFIX] Blocking operations on lists were completely reimplemented for + correctness. Now blocking list ops and pushes originated from + Lua scripts will play well together and will be replicated + and transmitted to the AOF correctly. +* [IMPROVED] Send async PING before starting replication to avoid blocking if + master allows us to connect but it is actually not able to reply. +* [IMPROVED] Support slave-priority for Redis Sentinel. +* [IMPROVED] Hiredis library updated. + +---[ Redis 2.5.12 (2.6 Release Candidate 6) ] + +UPGRADE URGENCY: MODERATE. + +* [BUGFIX] Fixed a timing attack on AUTH (Issue #560). +* [BUGFIX] Don't assume that "char" is signed. +* [BUGFIX] Check that we have connection before enabling pipe mode. +* [BUGFIX] Use the optimized version of the function to convert a double to + its string representation. Compilation was disabled because of + a typo in the #if statement. +* [IMPROVED} REPLCONF internal command introduced, now INFO shows slaves with + correct port numbers. This makes 2.5.12 Redis Sentinel compatible. +* [IMPROVED] Truncate short write from the AOF for a cleaner restart. On short + writes (for instance out of space) Redis will now try to remove + the half-written data so that the next restart will work without + the need for the "redis-check-aof" utility. +* [IMPROVED] New in INFO: aof_last_bgrewrite_status +* [IMPROVED] Allow Pub/Sub in contexts where other commands are blocked. +* [BUGFIX] mark fd as writable when EPOLLERR or EPOLLHUP is returned by + epoll_wait. + +---[ Redis 2.5.11 (2.6 Release Candidate 5) ] + +UPGRADE URGENCY: HIGH. + +* [BUGFIX] Fixed Hash corruption when loading an RDB file generated by + previous versions of Redis that encoded hashes using + a different ziplist encoding format for small integers. + All the fileds that are integers in the range 0-255 may not + be recognized, or duplicated un updates, causing a crash + when the ziplist is converted to a real hash. (Issue #547). +* [BUGFIX] Fixed the count of memory used by output buffers in the + setDeferredMultiBulkLength() function. + +---[ Redis 2.5.10 (2.6 Release Candidate 4) ] + +UPGRADE URGENCY: HIGH. + +* [BUGFIX] Allow PREFIX to be overwritten on "make install". +* [BUGFIX] Run the test with just one client if the computer is slow. +* [BUGFIX] Event port support in our event driven libray. +* [BUGFIX] Jemalloc updated to 3.0.0. This fixes a possibly AOF rewrite issue. + See https://github.com/antirez/redis/issues/504 for info. +* [BUGFIX] Fixed issue #516: ZINTERSTORE / ZUNIONSTORE with mixed sets/zsets. +* [BUGFIX] Set fd to writable when poll(2) detects POLLERR or POLLHUP event. +* [BUGFIX] Fixed RESTORE hash failure (Issue #532). +* [IMPROVED] Allow an AOF rewrite buffer > 2GB (Related to issue #504). +* [IMPROVED] Server cron function frequency is now configurable (REDIS_HZ). +* [IMPROVED] Better, less blocking expired keys collection algorithm. +* [FEATURE] New commands: BITOP and BITCOUNT. +* [FEATURE] redis-cli --pipe for mass import. + +What's new in Redis 2.5.9 (aka 2.6 Release Candidate 3) +======================================================= + +UPGRADE URGENCY: critical, upgrade ASAP. + +* [BUGFIX] Fix for issue #500 (https://github.com/antirez/redis/pull/500). + Redis 2.6-RC1 and RC2 may corrupt ziplist-encoded sorted sets + produced by Redis 2.4.x. +* [BUGFIX] Fixed several bugs in init.d script. +* [BUGFIX] syncio.c functions modified for speed and correctness. On osx + (and possibly other BSD-based systems) the slave would block on + replication to send the SYNC command when the master was not + available. This is fixed now, but was not affecting Linux installs. +* Now when slave-serve-stale-data is set to yes and the master is down, instead + of reporting a generic error Redis replies with -MASTERDOWN. + +What's new in Redis 2.5.8 (aka 2.6 Release Candidate 2) +======================================================= + +UPGRADE URGENCY: high for all the users of the KEYS command, otherwise low. + +* [BUGFIX] Fix for KEYS command: if the DB contains keys with expires the KEYS + command may return the wrong output, having duplicated or missing + keys. See issue #487 and #488 on github for details. + +What's new in Redis 2.5.7 (aka 2.6 Release Candidate 1) +======================================================= + +UPGRADE URGENCY: upgrade not recommended because this is an RC release. + +* This is the first release candidate for Redis 2.6. We are not aware of + bugs, but part of this code is young and was never tested in production + environments, so handle with care. + +An overview of new features and changes in Redis 2.6.x +====================================================== + +* Server side Lua scripting, see http://redis.io/commands/eval +* Virtual Memory removed (was deprecated in 2.4) +* Hardcoded limits about max number of clients removed. +* AOF low level semantics is generally more sane, and especially when used + in slaves. +* Milliseconds resolution expires, also added new commands with milliseconds + precision (PEXPIRE, PTTL, ...). +* Better memory usage for "small" lists, ziplists and hashes when fields or + values contain small integers. +* Read only slaves. +* New bit opeations: BITCOUNT and BITOP commands. +* Clients max output buffer soft and hard limits. You can specifiy different + limits for different classes of clients (normal,pubsub,slave). +* More incremental (less blocking) expired keys collection algorithm, in + practical terms this means that Redis is more responsive when a very + big number of keys expire about at the same time. +* AOF is now able to rewrite aggregate data types using variadic commands, + often producing an AOF that is faster to save, load, and is smaller in size. +* Every redis.conf directive is now accepted as a command line option for the + redis-server binary, with the same name and number of arguments. +* Hash table seed randomization for protection against collisions attacks. +* Performances improved when writing large objects to Redis. +* Integrated memory test, see redis-server --test-memory. +* INCRBYFLOAT and HINCRBYFLOAT commands. +* New DUMP, RESTORE, MIGRATE commands (back ported from Redis Cluster to 2.6). +* CRC64 checksump in RDB files. +* Better MONITOR output and behavior (now commands are logged before execution). +* "Software Watchdog" feature to debug latency issues. +* Significant parts of the core refactored or rewritten. New internal APIs + and core changes allowed to develop Redis Cluster on top of the new code, + however for 2.6 all the cluster code was removed, and will be released with + Redis 3.0 when it is more complete and stable. +* Redis ASCII art logo added at startup. +* Crash report on memory violation or failed asserts improved significantly + to make debugging of hard to catch bugs simpler. +* redis-benchmark improvements: ability to run selected tests, + CSV output, faster, better help. +* redis-cli improvements: --eval for comfortable development of Lua scripts. +* SHUTDOWN now supports two optional arguments: "SAVE" and "NOSAVE". +* INFO output split into sections, the command is now able to just show + pecific sections. +* New statistics about how many time a command was called, and how much + execution time it used (INFO commandstats). +* More predictable SORT behavior in edge cases. +* Better support for big endian and *BSD systems. +* Build system improved. + +Migrating from 2.4 to 2.6 +========================= + +Redis 2.4 is mostly a strict subset of 2.6. However there are a few things +that you should be aware of: + +* You can't use .rdb and AOF files generated with 2.6 into a 2.4 instance. +* 2.6 slaves can be attached to 2.4 masters, but not the contrary, and only + for the time needed to perform the version upgrade. + +There are also a few API differences, that are unlikely to cause problems, +but it is better to keep them in mind: + +* SORT now will refuse to sort in numerical mode elements that can't be parsed + as numbers. +* EXPIREs now all have millisecond resolution (but this is very unlikely to + break code that was not conceived exploting the previous resolution error + in some way.) +* INFO output is a bit different now, and contains empty lines and comments + starting with '#'. All the major clients should be already fixed to work + with the new INFO format. +* Slaves are only read-only by default (but you can change this easily + setting the "slave-read-only" configuration option to "no" editing your + redis.conf or using CONFIG SET. + +The following INFO fields were renamed for consistency: + + changes_since_last_save -> rdb_changes_since_last_save + bgsave_in_progress -> rdb_bgsave_in_progress + last_save_time -> rdb_last_save_time + last_bgsave_status -> rdb_last_bgsave_status + bgrewriteaof_in_progress -> aof_rewrite_in_progress + bgrewriteaof_scheduled -> aof_rewrite_scheduled + +The following redis.conf and CONFIG GET / SET parameters changed: + + * hash-max-zipmap-entries, now replaced by hash-max-ziplist-entries + * hash-max-zipmap-value, now replaced by hash-max-ziplist-value + * glueoutputbuf option was now completely removed (was deprecated) + +-------------------------------------------------------------------------------- + +Credits: Where not specified the implementation and design are done by +Salvatore Sanfilippo and Pieter Noordhuis. Thanks to VMware for making all +this possible. Also many thanks to all the other contributors and the amazing +community we have. + +See commit messages for more credits. + +Cheers, +Salvatore diff --git a/CONTRIBUTING b/CONTRIBUTING index 1707874..26fe047 100644 --- a/CONTRIBUTING +++ b/CONTRIBUTING @@ -1,33 +1,34 @@ -Note: by contributing code to the Redis project in any form, including sending -a pull request via Github, a code fragment or patch via private email or -public discussion groups, you agree to release your code under the terms -of the BSD license that you can find in the COPYING file included in the Redis -source distribution. - -# IMPORTANT: HOW TO USE REDIS GITHUB ISSUES - -* Github issues SHOULD ONLY BE USED to report bugs, and for DETAILED feature - requests. Everything else belongs to the Redis Google Group. - - PLEASE DO NOT POST GENERAL QUESTIONS that are not about bugs or suspected - bugs in the Github issues system. We'll be very happy to help you and provide - all the support in the Redis Google Group. - - Redis Google Group address: - - https://groups.google.com/forum/?fromgroups#!forum/redis-db - -# How to provide a patch for a new feature - -1. Drop a message to the Redis Google Group with a proposal of semantics/API. - -2. If in steps 1 you get an acknowledge from the project leaders, use the - following procedure to submit a patch: - - a. Fork Redis on github ( http://help.github.com/fork-a-repo/ ) - b. Create a topic branch (git checkout -b my_branch) - c. Push to your branch (git push origin my_branch) - d. Initiate a pull request on github ( http://help.github.com/send-pull-requests/ ) - e. Done :) - -Thanks! +Note: by contributing code to the Redis project in any form, including sending +a pull request via Github, a code fragment or patch via private email or +public discussion groups, you agree to release your code under the terms +of the BSD license that you can find in the COPYING file included in the Redis +source distribution. You will include BSD license in the COPYING file within +each source file that you contribute. + +# IMPORTANT: HOW TO USE REDIS GITHUB ISSUES + +* Github issues SHOULD ONLY BE USED to report bugs, and for DETAILED feature + requests. Everything else belongs to the Redis Google Group. + + PLEASE DO NOT POST GENERAL QUESTIONS that are not about bugs or suspected + bugs in the Github issues system. We'll be very happy to help you and provide + all the support in the Redis Google Group. + + Redis Google Group address: + + https://groups.google.com/forum/?fromgroups#!forum/redis-db + +# How to provide a patch for a new feature + +1. Drop a message to the Redis Google Group with a proposal of semantics/API. + +2. If in steps 1 you get an acknowledge from the project leaders, use the + following procedure to submit a patch: + + a. Fork Redis on github ( http://help.github.com/fork-a-repo/ ) + b. Create a topic branch (git checkout -b my_branch) + c. Push to your branch (git push origin my_branch) + d. Initiate a pull request on github ( http://help.github.com/send-pull-requests/ ) + e. Done :) + +Thanks! diff --git a/MANIFESTO b/MANIFESTO index ad94fd8..2b71905 100644 --- a/MANIFESTO +++ b/MANIFESTO @@ -4,17 +4,64 @@ Redis Manifesto =============== -1 - A DSL for Abstract Data Types. Redis is a DSL (Domain Specific Language) that manipulates abstract data types and implemented as a TCP daemon. Commands manipulate a key space where keys are binary-safe strings and values are different kinds of abstract data types. Every data type represents an abstract version of a fundamental data structure. For instance Redis Lists are an abstract representation of linked lists. In Redis, the essence of a data type isn't just the kind of operations that the data types support, but also the space and time complexity of the data type and the operations performed upon it. +1 - A DSL for Abstract Data Types. Redis is a DSL (Domain Specific Language) + that manipulates abstract data types and implemented as a TCP daemon. + Commands manipulate a key space where keys are binary-safe strings and + values are different kinds of abstract data types. Every data type + represents an abstract version of a fundamental data structure. For instance + Redis Lists are an abstract representation of linked lists. In Redis, the + essence of a data type isn't just the kind of operations that the data types + support, but also the space and time complexity of the data type and the + operations performed upon it. -2 - Memory storage is #1. The Redis data set, composed of defined key-value pairs, is primarily stored in the computer's memory. The amount of memory in all kinds of computers, including entry-level servers, is increasing significantly each year. Memory is fast, and allows Redis to have very predictable performance. Datasets composed of 10k or 40 millions keys will perform similarly. Complex data types like Redis Sorted Sets are easy to implement and manipulate in memory with good performance, making Redis very simple. Redis will continue to explore alternative options (where data can be optionally stored on disk, say) but the main goal of the project remains the development of an in-memory database. +2 - Memory storage is #1. The Redis data set, composed of defined key-value + pairs, is primarily stored in the computer's memory. The amount of memory in + all kinds of computers, including entry-level servers, is increasing + significantly each year. Memory is fast, and allows Redis to have very + predictable performance. Datasets composed of 10k or 40 millions keys will + perform similarly. Complex data types like Redis Sorted Sets are easy to + implement and manipulate in memory with good performance, making Redis very + simple. Redis will continue to explore alternative options (where data can + be optionally stored on disk, say) but the main goal of the project remains + the development of an in-memory database. -3 - Fundamental data structures for a fundamental API. The Redis API is a direct consequence of fundamental data structures. APIs can often be arbitrary but not an API that resembles the nature of fundamental data structures. If we ever meet intelligent life forms from another part of the universe, they'll likely know, understand and recognize the same basic data structures we have in our computer science books. Redis will avoid intermediate layers in API, so that the complexity is obvious and more complex operations can be performed as the sum of the basic operations. +3 - Fundamental data structures for a fundamental API. The Redis API is a direct + consequence of fundamental data structures. APIs can often be arbitrary but + not an API that resembles the nature of fundamental data structures. If we + ever meet intelligent life forms from another part of the universe, they'll + likely know, understand and recognize the same basic data structures we have + in our computer science books. Redis will avoid intermediate layers in API, + so that the complexity is obvious and more complex operations can be + performed as the sum of the basic operations. -4 - Code is like a poem; it's not just something we write to reach some practical result. Sometimes people that are far from the Redis philosophy suggest using other code written by other authors (frequently in other languages) in order to implement something Redis currently lacks. But to us this is like if Shakespeare decided to end Enrico IV using the Paradiso from the Divina Commedia. Is using any external code a bad idea? Not at all. Like in "One Thousand and One Nights" smaller self contained stories are embedded in a bigger story, we'll be happy to use beautiful self contained libraries when needed. At the same time, when writing the Redis story we're trying to write smaller stories that will fit in to other code. +4 - Code is like a poem; it's not just something we write to reach some + practical result. Sometimes people that are far from the Redis philosophy + suggest using other code written by other authors (frequently in other + languages) in order to implement something Redis currently lacks. But to us + this is like if Shakespeare decided to end Enrico IV using the Paradiso from + the Divina Commedia. Is using any external code a bad idea? Not at all. Like + in "One Thousand and One Nights" smaller self contained stories are embedded + in a bigger story, we'll be happy to use beautiful self contained libraries + when needed. At the same time, when writing the Redis story we're trying to + write smaller stories that will fit in to other code. -5 - We're against complexity. We believe designing systems is a fight against complexity. We'll accept to fight the complexity when it's worthwhile but we'll try hard to recognize when a small feature is not worth 1000s of lines of code. Most of the time the best way to fight complexity is by not creating it at all. +5 - We're against complexity. We believe designing systems is a fight against + complexity. We'll accept to fight the complexity when it's worthwhile but + we'll try hard to recognize when a small feature is not worth 1000s of lines + of code. Most of the time the best way to fight complexity is by not + creating it at all. -6 - Two levels of API. The Redis API has two levels: 1) a subset of the API fits naturally into a distributed version of Redis and 2) a more complex API that supports multi-key operations. Both are useful if used judiciously but there's no way to make the more complex multi-keys API distributed in an opaque way without violating our other principles. We don't want to provide the illusion of something that will work magically when actually it can't in all cases. Instead we'll provide commands to quickly migrate keys from one instance to another to perform multi-key operations and expose the tradeoffs to the user. - -7 - We optimize for joy. We believe writing code is a lot of hard work, and the only way it can be worth is by enjoying it. When there is no longer joy in writing code, the best thing to do is stop. To prevent this, we'll avoid taking paths that will make Redis less of a joy to develop. +6 - Two levels of API. The Redis API has two levels: 1) a subset of the API fits + naturally into a distributed version of Redis and 2) a more complex API that + supports multi-key operations. Both are useful if used judiciously but + there's no way to make the more complex multi-keys API distributed in an + opaque way without violating our other principles. We don't want to provide + the illusion of something that will work magically when actually it can't in + all cases. Instead we'll provide commands to quickly migrate keys from one + instance to another to perform multi-key operations and expose the tradeoffs + to the user. +7 - We optimize for joy. We believe writing code is a lot of hard work, and the + only way it can be worth is by enjoying it. When there is no longer joy in + writing code, the best thing to do is stop. To prevent this, we'll avoid + taking paths that will make Redis less of a joy to develop. diff --git a/Makefile b/Makefile index 9078aca..7425f46 100644 --- a/Makefile +++ b/Makefile @@ -1,33 +1,38 @@ -# Top level makefile, the real shit is at src/Makefile - -default: all - -.DEFAULT: - cd deps/lua && $(MAKE) $@ - cd deps/hiredis && $(MAKE) $@ - cd src && $(MAKE) $@ - -init: - cd deps/gperftools-2.0 && ./configure --enable-minimal --enable-frame-pointers && make - cd deps/snappy-1.0.5 && ./configure && make - cd deps/leveldb-1.8.0 && make - cd deps/linenoise && make - cp ./deps/leveldb-1.8.0/libleveldb.so.1 /usr/local/lib - cp ./deps/snappy-1.0.5/.libs/libsnappy.so.1 /usr/local/lib - ldconfig - -install: - mkdir -p $(PREFIX)/db - mkdir -p $(PREFIX)/bin - mkdir -p $(PREFIX)/log - mkdir -p $(PREFIX)/conf - cp src/redis-server $(PREFIX)/bin - cp src/redis-cli $(PREFIX)/bin - cp src/redis-check-dump $(PREFIX)/bin - cp src/redis-sentinel $(PREFIX)/bin - cp src/redis-benchmark $(PREFIX)/bin - cp src/redis-check-aof $(PREFIX)/bin - cp redis.conf $(PREFIX)/conf - - -.PHONY: install +# Top level makefile, the real shit is at src/Makefile + +default: all + +.DEFAULT: + cd deps/lua && $(MAKE) $@ + cd deps/hiredis && $(MAKE) $@ + cd deps/linenoise && $(MAKE) + cd src && $(MAKE) $@ + +init: + cd deps/gperftools-2.0 && ./configure --enable-minimal --enable-frame-pointers && make + cd deps && tar xzvf snappy-1.1.0.tar.gz && cd snappy-1.1.0 && ./configure && make + rm -rf /usr/local/lib/libsnappy.so.1 + cp ./deps/snappy-1.1.0/.libs/libsnappy.so.1 /usr/local/lib + ldconfig + chmod +x deps/leveldb-1.10.0/build_detect_platform + cd deps/leveldb-1.10.0 && make + rm -rf /usr/local/lib/libleveldb.so.1 + cp ./deps/leveldb-1.10.0/libleveldb.so.1 /usr/local/lib + cp ./redis_storage.so.conf /etc/ld.so.conf.d/redis_storage.conf + ldconfig + +install: + mkdir -p $(PREFIX)/db + mkdir -p $(PREFIX)/bin + mkdir -p $(PREFIX)/log + mkdir -p $(PREFIX)/conf + cp src/redis-server $(PREFIX)/bin + cp src/redis-cli $(PREFIX)/bin + cp src/redis-check-dump $(PREFIX)/bin + cp src/redis-sentinel $(PREFIX)/bin + cp src/redis-benchmark $(PREFIX)/bin + cp src/redis-check-aof $(PREFIX)/bin + cp redis.conf $(PREFIX)/conf + + +.PHONY: install diff --git a/README.markdown b/README.markdown index cbce796..6a4d7c4 100644 --- a/README.markdown +++ b/README.markdown @@ -1,25 +1,76 @@ -新增加字符串函数 +更新说明 ========= + 
-ds_append
-ds_incrby
-
+新增配置项： +rl:ttl 0 ( 单位：秒，大于0时会强制设置redis里key的过期时间，仅对rl系列命令有效) +rl:ttlcheck 0 (当key的ttl在小于此值时被读取到，则过期期间重设置为rl:ttl ) + +rl系列命令：(同时操作redis和leveldb系列命令) +=======string数据操作====== +rl_get key (从redis或leveldb取值, 优先顺序：redis > leveldb) +rl_getset key (返回同rl_get, 当leveldb有值，redis无值时，会回写到redis) +rl_mget k1 k2 k3 (取redis和leveldb的并集，优先级：redis>leveldb) +rl_mgetset k1 k2 k3 (返回同rl_mget, 当leveldb有值，redis无值，会回写到redis) +rl_set key val (往redis和leveldb写值, 优先顺序：leveldb > redis, leveldb如果失败，将中断往redis写，返回错误) +rl_mset k1 v1 k2 v2 (往redis和leveldb批量写值, 优先顺序：leveldb > redis, leveldb如果失败，将中断往redis写，返回错误) +rl_del k1 k2 k3 (往redis和leveldb删值, 优先顺序：leveldb > redis) + +========hash数据操作======== +rl_hget key hk (从redis或leveldb取值, 优先顺序：redis > leveldb) +rl_hgetset key hk (返回同rl_hget, 当leveldb有值，redis无值时，会回写到redis) +rl_hmget key hk1 hk2 (往redis和leveldb批量写值，优先级：redis>leveldb) +rl_hmgetset k1 k2 k3 (返回同rl_hmget, 当leveldb有值，redis无值，会回写到redis) +rl_hset key hk hv (往redis和leveldb写值, 优先顺序：leveldb > redis, leveldb如果失败，将中断往redis写，返回错误) +rl_hmset key hk1 hv1 hk2 hv2 (取redis和leveldb的并集，优先级：redis>leveldb) +rl_hdel key hk1 hk2 hk3 (往redis和leveldb删值, 优先顺序：leveldb > redis) + +ds系列命令: +ds_hlen +ds_hvals +ds_hsetnx +使用方法和返回类型跟redis的相关命令一致 + +新增hash遍历方法 +ds_hkeys_asc 正向遍历，默认返回30条key +使用方法 +1. ds_hkeys_asc +2. ds_hkeys_asc 50 //返回最多50条 +3. ds_hkeys_asc "key1" //返回从key1位置开始的最多50条key +4. ds_hkeys_asc "key1" 100 //返回从key1位置开始的最多100条key +5. ds_hkeys_asc 0 //0没有意义，返回30条 +5. ds_hkeys_asc 0 30 //从"0"这个key开始返回30条 +特别说明: "key1"可以是不存在的 +ds_hkeys_desc 功能类似，逆向遍历的 + +ds_hkeys_count startKey endKey // 计算starKey和endKey之间的数量，startKey和endKey可以是不存在的 -新增加类似redis的hashs功能,用法一样 +新增遍历方法 +ds_keys_asc +ds_keys_desc +ds_keys_count +使用方法跟 ds_hkeys_** 的类似 + +修复几个err处理的潜在bug + + +hash相关的操作除了hincrbyfloat之外已经全部实现 + + **特别提醒** + hash相关的命令，由于内部存储结构已经改变，如果您在老版本上使用ds_h** 存储过数据，新版本上无法支持。 + + 这个比较重要 + + 感谢skdear 同学提供的 功能补丁. + +redis-storage manual ========= -
-ds_hdel
-ds_hget
-ds_hset
-ds_hmget
-ds_hmset
-ds_hincrby
-ds_hgetall
-
+[https://github.com/qiye/redis-storage/wiki/redis-storage-manual](https://github.com/qiye/redis-storage/wiki/redis-storage-manual) -redis-storage +overview ========= - - 基于最新的redis-2.6.7开发的 + - 基于最新的redis-2.6.7, leveldb开发的,实现海量、高效数据持久存储 + - 实现redis的string和hashs功能函数,完全兼容redis客户端 - 用luajit替换LUA,增强lua执行性能 - author: 七夜, shenzhe - QQ: 531020471 @@ -28,54 +79,30 @@ redis-storage - mail: lijinxing@gmail.com, shenzhe163@gmail.com - -安装 redis-storage +Install ========= 
-https://github.com/qiye/redis-storage 获取源码
+https://github.com/qiye/redis-storage/archive/master.zip get source code
     
 make init
 make MALLOC=tcmalloc_minimal
 
-这一步需要root权限
+need root
 make install PREFIX=/usr/local/redis
-修改redis配置文件 +redis.conf ========= 
 ds:create_if_missing 1                //if the specified database didn't exist will create a new one
 ds:error_if_exists 0                  //if the opened database exsits will throw exception
 ds:paranoid_checks 0
-ds:block_cache_size 10000
-ds:write_buffer_size 100000000       //写缓存大小
-ds:block_size 4096
-ds:max_open_files 8000               //leveldb最多可以使用的檔案數，一個檔案可以儲存 2MB 的資料。
+ds:ds_lru_cache 200                   //单位MB
+ds:write_buffer_size 64               //单位MB
+ds:block_size 32                      //单位KB
+ds:max_open_files 4000
 ds:block_restart_interval 16
-ds:path /usr/local/redis/db/leveldb  //leveldb save path
-
- -redis new cmd 用法跟redis的一样 -========= -
-ds_append
-ds_incrby
-ds_hdel
-ds_hget
-ds_hset
-ds_hmget
-ds_hmset
-ds_hincrby
-ds_hgetall    
-ds_set name qiye
-ds_get name
-ds_del name 
-ds_mset key value age 20
-ds_mget key age
-ds_del key age
-rl_set name shenzhe  //先把数据存到leveldb，再存到redis
-rl_get name          //先尝试从redis取数据，如没取到，再尝试从redis取数据
-rl_del name          //先从leveldb删除数据，再从redis删除数据
+ds:path ./leveldb
@@ -120,4 +147,12 @@ $redis->get("name"); $redis->dsGet("name"); $redis->rlDel("name"); - \ No newline at end of file + + +Nginx 用户可使用`redis2-nginx-module`或者ngx_lua的`lua-resty-redis`库 +========= + +https://github.com/agentzh/redis2-nginx-module + +https://github.com/agentzh/lua-resty-redis + diff --git a/deps/.DS_Store b/deps/.DS_Store new file mode 100644 index 0000000..d244399 Binary files /dev/null and b/deps/.DS_Store differ diff --git a/deps/hiredis/adapters/ae.h b/deps/hiredis/adapters/ae.h index 65235f8..5c551c2 100644 --- a/deps/hiredis/adapters/ae.h +++ b/deps/hiredis/adapters/ae.h @@ -1,3 +1,33 @@ +/* + * Copyright (c) 2010-2011, Pieter Noordhuis + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of Redis nor the names of its contributors may be used + * to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + #ifndef __HIREDIS_AE_H__ #define __HIREDIS_AE_H__ #include diff --git a/deps/hiredis/adapters/libev.h b/deps/hiredis/adapters/libev.h index 534d743..2bf8d52 100644 --- a/deps/hiredis/adapters/libev.h +++ b/deps/hiredis/adapters/libev.h @@ -1,3 +1,33 @@ +/* + * Copyright (c) 2010-2011, Pieter Noordhuis + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of Redis nor the names of its contributors may be used + * to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + #ifndef __HIREDIS_LIBEV_H__ #define __HIREDIS_LIBEV_H__ #include diff --git a/deps/hiredis/adapters/libevent.h b/deps/hiredis/adapters/libevent.h index 4055ec0..1c2b271 100644 --- a/deps/hiredis/adapters/libevent.h +++ b/deps/hiredis/adapters/libevent.h @@ -1,3 +1,33 @@ +/* + * Copyright (c) 2010-2011, Pieter Noordhuis + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of Redis nor the names of its contributors may be used + * to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + #ifndef __HIREDIS_LIBEVENT_H__ #define __HIREDIS_LIBEVENT_H__ #include diff --git a/deps/hiredis/fmacros.h b/deps/hiredis/fmacros.h index 21cd9cf..96324eb 100644 --- a/deps/hiredis/fmacros.h +++ b/deps/hiredis/fmacros.h @@ -7,7 +7,7 @@ #if defined(__sun__) #define _POSIX_C_SOURCE 200112L -#elif defined(__linux__) +#elif defined(__linux__) || defined(__OpenBSD__) || defined(__NetBSD__) #define _XOPEN_SOURCE 600 #else #define _XOPEN_SOURCE diff --git a/deps/jemalloc/.gitignore b/deps/jemalloc/.gitignore new file mode 100644 index 0000000..0406413 --- /dev/null +++ b/deps/jemalloc/.gitignore @@ -0,0 +1,20 @@ +/autom4te.cache/ +/config.stamp +/config.log +/config.status +/doc/html.xsl +/doc/manpages.xsl +/doc/jemalloc.xml +/lib/ +/Makefile +/include/jemalloc/internal/jemalloc_internal\.h +/include/jemalloc/internal/size_classes\.h +/include/jemalloc/jemalloc\.h +/include/jemalloc/jemalloc_defs\.h +/src/*.[od] +/test/*.[od] +/test/*.out +/test/[a-zA-Z_]* +!test/*.c +!test/*.exp +/bin/jemalloc.sh diff --git a/deps/jemalloc/COPYING b/deps/jemalloc/COPYING new file mode 100644 index 0000000..e27fc4d --- /dev/null +++ b/deps/jemalloc/COPYING @@ -0,0 +1,27 @@ +Unless otherwise specified, files in the jemalloc source distribution are +subject to the following license: +-------------------------------------------------------------------------------- +Copyright (C) 2002-2012 Jason Evans . +All rights reserved. +Copyright (C) 2007-2012 Mozilla Foundation. All rights reserved. +Copyright (C) 2009-2012 Facebook, Inc. All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: +1. Redistributions of source code must retain the above copyright notice(s), + this list of conditions and the following disclaimer. +2. Redistributions in binary form must reproduce the above copyright notice(s), + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY EXPRESS +OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF +MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO +EVENT SHALL THE COPYRIGHT HOLDER(S) BE LIABLE FOR ANY DIRECT, INDIRECT, +INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR +PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF +LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE +OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF +ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +-------------------------------------------------------------------------------- diff --git a/deps/jemalloc/ChangeLog b/deps/jemalloc/ChangeLog new file mode 100644 index 0000000..ab3476c --- /dev/null +++ b/deps/jemalloc/ChangeLog @@ -0,0 +1,380 @@ +Following are change highlights associated with official releases. Important +bug fixes are all mentioned, but internal enhancements are omitted here for +brevity (even though they are more fun to write about). Much more detail can be +found in the git revision history: + + http://www.canonware.com/cgi-bin/gitweb.cgi?p=jemalloc.git + git://canonware.com/jemalloc.git + +* 3.2.0 (November 9, 2012) + + In addition to a couple of bug fixes, this version modifies page run + allocation and dirty page purging algorithms in order to better control + page-level virtual memory fragmentation. + + Incompatible changes: + - Change the "opt.lg_dirty_mult" default from 5 to 3 (32:1 to 8:1). + + Bug fixes: + - Fix dss/mmap allocation precedence code to use recyclable mmap memory only + after primary dss allocation fails. + - Fix deadlock in the "arenas.purge" mallctl. This regression was introduced + in 3.1.0 by the addition of the "arena..purge" mallctl. + +* 3.1.0 (October 16, 2012) + + New features: + - Auto-detect whether running inside Valgrind, thus removing the need to + manually specify MALLOC_CONF=valgrind:true. + - Add the "arenas.extend" mallctl, which allows applications to create + manually managed arenas. + - Add the ALLOCM_ARENA() flag for {,r,d}allocm(). + - Add the "opt.dss", "arena..dss", and "stats.arenas..dss" mallctls, + which provide control over dss/mmap precedence. + - Add the "arena..purge" mallctl, which obsoletes "arenas.purge". + - Define LG_QUANTUM for hppa. + + Incompatible changes: + - Disable tcache by default if running inside Valgrind, in order to avoid + making unallocated objects appear reachable to Valgrind. + - Drop const from malloc_usable_size() argument on Linux. + + Bug fixes: + - Fix heap profiling crash if sampled object is freed via realloc(p, 0). + - Remove const from __*_hook variable declarations, so that glibc can modify + them during process forking. + - Fix mlockall(2)/madvise(2) interaction. + - Fix fork(2)-related deadlocks. + - Fix error return value for "thread.tcache.enabled" mallctl. + +* 3.0.0 (May 11, 2012) + + Although this version adds some major new features, the primary focus is on + internal code cleanup that facilitates maintainability and portability, most + of which is not reflected in the ChangeLog. This is the first release to + incorporate substantial contributions from numerous other developers, and the + result is a more broadly useful allocator (see the git revision history for + contribution details). Note that the license has been unified, thanks to + Facebook granting a license under the same terms as the other copyright + holders (see COPYING). + + New features: + - Implement Valgrind support, redzones, and quarantine. + - Add support for additional platforms: + + FreeBSD + + Mac OS X Lion + + MinGW + + Windows (no support yet for replacing the system malloc) + - Add support for additional architectures: + + MIPS + + SH4 + + Tilera + - Add support for cross compiling. + - Add nallocm(), which rounds a request size up to the nearest size class + without actually allocating. + - Implement aligned_alloc() (blame C11). + - Add the "thread.tcache.enabled" mallctl. + - Add the "opt.prof_final" mallctl. + - Update pprof (from gperftools 2.0). + - Add the --with-mangling option. + - Add the --disable-experimental option. + - Add the --disable-munmap option, and make it the default on Linux. + - Add the --enable-mremap option, which disables use of mremap(2) by default. + + Incompatible changes: + - Enable stats by default. + - Enable fill by default. + - Disable lazy locking by default. + - Rename the "tcache.flush" mallctl to "thread.tcache.flush". + - Rename the "arenas.pagesize" mallctl to "arenas.page". + - Change the "opt.lg_prof_sample" default from 0 to 19 (1 B to 512 KiB). + - Change the "opt.prof_accum" default from true to false. + + Removed features: + - Remove the swap feature, including the "config.swap", "swap.avail", + "swap.prezeroed", "swap.nfds", and "swap.fds" mallctls. + - Remove highruns statistics, including the + "stats.arenas..bins..highruns" and + "stats.arenas..lruns..highruns" mallctls. + - As part of small size class refactoring, remove the "opt.lg_[qc]space_max", + "arenas.cacheline", "arenas.subpage", "arenas.[tqcs]space_{min,max}", and + "arenas.[tqcs]bins" mallctls. + - Remove the "arenas.chunksize" mallctl. + - Remove the "opt.lg_prof_tcmax" option. + - Remove the "opt.lg_prof_bt_max" option. + - Remove the "opt.lg_tcache_gc_sweep" option. + - Remove the --disable-tiny option, including the "config.tiny" mallctl. + - Remove the --enable-dynamic-page-shift configure option. + - Remove the --enable-sysv configure option. + + Bug fixes: + - Fix a statistics-related bug in the "thread.arena" mallctl that could cause + invalid statistics and crashes. + - Work around TLS deallocation via free() on Linux. This bug could cause + write-after-free memory corruption. + - Fix a potential deadlock that could occur during interval- and + growth-triggered heap profile dumps. + - Fix large calloc() zeroing bugs due to dropping chunk map unzeroed flags. + - Fix chunk_alloc_dss() to stop claiming memory is zeroed. This bug could + cause memory corruption and crashes with --enable-dss specified. + - Fix fork-related bugs that could cause deadlock in children between fork + and exec. + - Fix malloc_stats_print() to honor 'b' and 'l' in the opts parameter. + - Fix realloc(p, 0) to act like free(p). + - Do not enforce minimum alignment in memalign(). + - Check for NULL pointer in malloc_usable_size(). + - Fix an off-by-one heap profile statistics bug that could be observed in + interval- and growth-triggered heap profiles. + - Fix the "epoch" mallctl to update cached stats even if the passed in epoch + is 0. + - Fix bin->runcur management to fix a layout policy bug. This bug did not + affect correctness. + - Fix a bug in choose_arena_hard() that potentially caused more arenas to be + initialized than necessary. + - Add missing "opt.lg_tcache_max" mallctl implementation. + - Use glibc allocator hooks to make mixed allocator usage less likely. + - Fix build issues for --disable-tcache. + - Don't mangle pthread_create() when --with-private-namespace is specified. + +* 2.2.5 (November 14, 2011) + + Bug fixes: + - Fix huge_ralloc() race when using mremap(2). This is a serious bug that + could cause memory corruption and/or crashes. + - Fix huge_ralloc() to maintain chunk statistics. + - Fix malloc_stats_print(..., "a") output. + +* 2.2.4 (November 5, 2011) + + Bug fixes: + - Initialize arenas_tsd before using it. This bug existed for 2.2.[0-3], as + well as for --disable-tls builds in earlier releases. + - Do not assume a 4 KiB page size in test/rallocm.c. + +* 2.2.3 (August 31, 2011) + + This version fixes numerous bugs related to heap profiling. + + Bug fixes: + - Fix a prof-related race condition. This bug could cause memory corruption, + but only occurred in non-default configurations (prof_accum:false). + - Fix off-by-one backtracing issues (make sure that prof_alloc_prep() is + excluded from backtraces). + - Fix a prof-related bug in realloc() (only triggered by OOM errors). + - Fix prof-related bugs in allocm() and rallocm(). + - Fix prof_tdata_cleanup() for --disable-tls builds. + - Fix a relative include path, to fix objdir builds. + +* 2.2.2 (July 30, 2011) + + Bug fixes: + - Fix a build error for --disable-tcache. + - Fix assertions in arena_purge() (for real this time). + - Add the --with-private-namespace option. This is a workaround for symbol + conflicts that can inadvertently arise when using static libraries. + +* 2.2.1 (March 30, 2011) + + Bug fixes: + - Implement atomic operations for x86/x64. This fixes compilation failures + for versions of gcc that are still in wide use. + - Fix an assertion in arena_purge(). + +* 2.2.0 (March 22, 2011) + + This version incorporates several improvements to algorithms and data + structures that tend to reduce fragmentation and increase speed. + + New features: + - Add the "stats.cactive" mallctl. + - Update pprof (from google-perftools 1.7). + - Improve backtracing-related configuration logic, and add the + --disable-prof-libgcc option. + + Bug fixes: + - Change default symbol visibility from "internal", to "hidden", which + decreases the overhead of library-internal function calls. + - Fix symbol visibility so that it is also set on OS X. + - Fix a build dependency regression caused by the introduction of the .pic.o + suffix for PIC object files. + - Add missing checks for mutex initialization failures. + - Don't use libgcc-based backtracing except on x64, where it is known to work. + - Fix deadlocks on OS X that were due to memory allocation in + pthread_mutex_lock(). + - Heap profiling-specific fixes: + + Fix memory corruption due to integer overflow in small region index + computation, when using a small enough sample interval that profiling + context pointers are stored in small run headers. + + Fix a bootstrap ordering bug that only occurred with TLS disabled. + + Fix a rallocm() rsize bug. + + Fix error detection bugs for aligned memory allocation. + +* 2.1.3 (March 14, 2011) + + Bug fixes: + - Fix a cpp logic regression (due to the "thread.{de,}allocatedp" mallctl fix + for OS X in 2.1.2). + - Fix a "thread.arena" mallctl bug. + - Fix a thread cache stats merging bug. + +* 2.1.2 (March 2, 2011) + + Bug fixes: + - Fix "thread.{de,}allocatedp" mallctl for OS X. + - Add missing jemalloc.a to build system. + +* 2.1.1 (January 31, 2011) + + Bug fixes: + - Fix aligned huge reallocation (affected allocm()). + - Fix the ALLOCM_LG_ALIGN macro definition. + - Fix a heap dumping deadlock. + - Fix a "thread.arena" mallctl bug. + +* 2.1.0 (December 3, 2010) + + This version incorporates some optimizations that can't quite be considered + bug fixes. + + New features: + - Use Linux's mremap(2) for huge object reallocation when possible. + - Avoid locking in mallctl*() when possible. + - Add the "thread.[de]allocatedp" mallctl's. + - Convert the manual page source from roff to DocBook, and generate both roff + and HTML manuals. + + Bug fixes: + - Fix a crash due to incorrect bootstrap ordering. This only impacted + --enable-debug --enable-dss configurations. + - Fix a minor statistics bug for mallctl("swap.avail", ...). + +* 2.0.1 (October 29, 2010) + + Bug fixes: + - Fix a race condition in heap profiling that could cause undefined behavior + if "opt.prof_accum" were disabled. + - Add missing mutex unlocks for some OOM error paths in the heap profiling + code. + - Fix a compilation error for non-C99 builds. + +* 2.0.0 (October 24, 2010) + + This version focuses on the experimental *allocm() API, and on improved + run-time configuration/introspection. Nonetheless, numerous performance + improvements are also included. + + New features: + - Implement the experimental {,r,s,d}allocm() API, which provides a superset + of the functionality available via malloc(), calloc(), posix_memalign(), + realloc(), malloc_usable_size(), and free(). These functions can be used to + allocate/reallocate aligned zeroed memory, ask for optional extra memory + during reallocation, prevent object movement during reallocation, etc. + - Replace JEMALLOC_OPTIONS/JEMALLOC_PROF_PREFIX with MALLOC_CONF, which is + more human-readable, and more flexible. For example: + JEMALLOC_OPTIONS=AJP + is now: + MALLOC_CONF=abort:true,fill:true,stats_print:true + - Port to Apple OS X. Sponsored by Mozilla. + - Make it possible for the application to control thread-->arena mappings via + the "thread.arena" mallctl. + - Add compile-time support for all TLS-related functionality via pthreads TSD. + This is mainly of interest for OS X, which does not support TLS, but has a + TSD implementation with similar performance. + - Override memalign() and valloc() if they are provided by the system. + - Add the "arenas.purge" mallctl, which can be used to synchronously purge all + dirty unused pages. + - Make cumulative heap profiling data optional, so that it is possible to + limit the amount of memory consumed by heap profiling data structures. + - Add per thread allocation counters that can be accessed via the + "thread.allocated" and "thread.deallocated" mallctls. + + Incompatible changes: + - Remove JEMALLOC_OPTIONS and malloc_options (see MALLOC_CONF above). + - Increase default backtrace depth from 4 to 128 for heap profiling. + - Disable interval-based profile dumps by default. + + Bug fixes: + - Remove bad assertions in fork handler functions. These assertions could + cause aborts for some combinations of configure settings. + - Fix strerror_r() usage to deal with non-standard semantics in GNU libc. + - Fix leak context reporting. This bug tended to cause the number of contexts + to be underreported (though the reported number of objects and bytes were + correct). + - Fix a realloc() bug for large in-place growing reallocation. This bug could + cause memory corruption, but it was hard to trigger. + - Fix an allocation bug for small allocations that could be triggered if + multiple threads raced to create a new run of backing pages. + - Enhance the heap profiler to trigger samples based on usable size, rather + than request size. + - Fix a heap profiling bug due to sometimes losing track of requested object + size for sampled objects. + +* 1.0.3 (August 12, 2010) + + Bug fixes: + - Fix the libunwind-based implementation of stack backtracing (used for heap + profiling). This bug could cause zero-length backtraces to be reported. + - Add a missing mutex unlock in library initialization code. If multiple + threads raced to initialize malloc, some of them could end up permanently + blocked. + +* 1.0.2 (May 11, 2010) + + Bug fixes: + - Fix junk filling of large objects, which could cause memory corruption. + - Add MAP_NORESERVE support for chunk mapping, because otherwise virtual + memory limits could cause swap file configuration to fail. Contributed by + Jordan DeLong. + +* 1.0.1 (April 14, 2010) + + Bug fixes: + - Fix compilation when --enable-fill is specified. + - Fix threads-related profiling bugs that affected accuracy and caused memory + to be leaked during thread exit. + - Fix dirty page purging race conditions that could cause crashes. + - Fix crash in tcache flushing code during thread destruction. + +* 1.0.0 (April 11, 2010) + + This release focuses on speed and run-time introspection. Numerous + algorithmic improvements make this release substantially faster than its + predecessors. + + New features: + - Implement autoconf-based configuration system. + - Add mallctl*(), for the purposes of introspection and run-time + configuration. + - Make it possible for the application to manually flush a thread's cache, via + the "tcache.flush" mallctl. + - Base maximum dirty page count on proportion of active memory. + - Compute various addtional run-time statistics, including per size class + statistics for large objects. + - Expose malloc_stats_print(), which can be called repeatedly by the + application. + - Simplify the malloc_message() signature to only take one string argument, + and incorporate an opaque data pointer argument for use by the application + in combination with malloc_stats_print(). + - Add support for allocation backed by one or more swap files, and allow the + application to disable over-commit if swap files are in use. + - Implement allocation profiling and leak checking. + + Removed features: + - Remove the dynamic arena rebalancing code, since thread-specific caching + reduces its utility. + + Bug fixes: + - Modify chunk allocation to work when address space layout randomization + (ASLR) is in use. + - Fix thread cleanup bugs related to TLS destruction. + - Handle 0-size allocation requests in posix_memalign(). + - Fix a chunk leak. The leaked chunks were never touched, so this impacted + virtual memory usage, but not physical memory usage. + +* linux_2008082[78]a (August 27/28, 2008) + + These snapshot releases are the simple result of incorporating Linux-specific + support into the FreeBSD malloc sources. + +-------------------------------------------------------------------------------- +vim:filetype=text:textwidth=80 diff --git a/deps/jemalloc/INSTALL b/deps/jemalloc/INSTALL new file mode 100644 index 0000000..e40a7ed --- /dev/null +++ b/deps/jemalloc/INSTALL @@ -0,0 +1,278 @@ +Building and installing jemalloc can be as simple as typing the following while +in the root directory of the source tree: + + ./configure + make + make install + +=== Advanced configuration ===================================================== + +The 'configure' script supports numerous options that allow control of which +functionality is enabled, where jemalloc is installed, etc. Optionally, pass +any of the following arguments (not a definitive list) to 'configure': + +--help + Print a definitive list of options. + +--prefix= + Set the base directory in which to install. For example: + + ./configure --prefix=/usr/local + + will cause files to be installed into /usr/local/include, /usr/local/lib, + and /usr/local/man. + +--with-rpath= + Embed one or more library paths, so that libjemalloc can find the libraries + it is linked to. This works only on ELF-based systems. + +--with-mangling= + Mangle public symbols specified in which is a comma-separated list of + name:mangled pairs. + + For example, to use ld's --wrap option as an alternative method for + overriding libc's malloc implementation, specify something like: + + --with-mangling=malloc:__wrap_malloc,free:__wrap_free[...] + + Note that mangling happens prior to application of the prefix specified by + --with-jemalloc-prefix, and mangled symbols are then ignored when applying + the prefix. + +--with-jemalloc-prefix= + Prefix all public APIs with . For example, if is + "prefix_", API changes like the following occur: + + malloc() --> prefix_malloc() + malloc_conf --> prefix_malloc_conf + /etc/malloc.conf --> /etc/prefix_malloc.conf + MALLOC_CONF --> PREFIX_MALLOC_CONF + + This makes it possible to use jemalloc at the same time as the system + allocator, or even to use multiple copies of jemalloc simultaneously. + + By default, the prefix is "", except on OS X, where it is "je_". On OS X, + jemalloc overlays the default malloc zone, but makes no attempt to actually + replace the "malloc", "calloc", etc. symbols. + +--with-private-namespace= + Prefix all library-private APIs with . For shared libraries, + symbol visibility mechanisms prevent these symbols from being exported, but + for static libraries, naming collisions are a real possibility. By + default, the prefix is "" (empty string). + +--with-install-suffix= + Append to the base name of all installed files, such that multiple + versions of jemalloc can coexist in the same installation directory. For + example, libjemalloc.so.0 becomes libjemalloc.so.0. + +--enable-cc-silence + Enable code that silences non-useful compiler warnings. This is helpful + when trying to tell serious warnings from those due to compiler + limitations, but it potentially incurs a performance penalty. + +--enable-debug + Enable assertions and validation code. This incurs a substantial + performance hit, but is very useful during application development. + +--disable-stats + Disable statistics gathering functionality. See the "opt.stats_print" + option documentation for usage details. + +--enable-prof + Enable heap profiling and leak detection functionality. See the "opt.prof" + option documentation for usage details. When enabled, there are several + approaches to backtracing, and the configure script chooses the first one + in the following list that appears to function correctly: + + + libunwind (requires --enable-prof-libunwind) + + libgcc (unless --disable-prof-libgcc) + + gcc intrinsics (unless --disable-prof-gcc) + +--enable-prof-libunwind + Use the libunwind library (http://www.nongnu.org/libunwind/) for stack + backtracing. + +--disable-prof-libgcc + Disable the use of libgcc's backtracing functionality. + +--disable-prof-gcc + Disable the use of gcc intrinsics for backtracing. + +--with-static-libunwind= + Statically link against the specified libunwind.a rather than dynamically + linking with -lunwind. + +--disable-tcache + Disable thread-specific caches for small objects. Objects are cached and + released in bulk, thus reducing the total number of mutex operations. See + the "opt.tcache" option for usage details. + +--enable-mremap + Enable huge realloc() via mremap(2). mremap() is disabled by default + because the flavor used is specific to Linux, which has a quirk in its + virtual memory allocation algorithm that causes semi-permanent VM map holes + under normal jemalloc operation. + +--disable-munmap + Disable virtual memory deallocation via munmap(2); instead keep track of + the virtual memory for later use. munmap() is disabled by default (i.e. + --disable-munmap is implied) on Linux, which has a quirk in its virtual + memory allocation algorithm that causes semi-permanent VM map holes under + normal jemalloc operation. + +--enable-dss + Enable support for page allocation/deallocation via sbrk(2), in addition to + mmap(2). + +--disable-fill + Disable support for junk/zero filling of memory, quarantine, and redzones. + See the "opt.junk", "opt.zero", "opt.quarantine", and "opt.redzone" option + documentation for usage details. + +--disable-valgrind + Disable support for Valgrind. + +--disable-experimental + Disable support for the experimental API (*allocm()). + +--enable-utrace + Enable utrace(2)-based allocation tracing. This feature is not broadly + portable (FreeBSD has it, but Linux and OS X do not). + +--enable-xmalloc + Enable support for optional immediate termination due to out-of-memory + errors, as is commonly implemented by "xmalloc" wrapper function for malloc. + See the "opt.xmalloc" option documentation for usage details. + +--enable-lazy-lock + Enable code that wraps pthread_create() to detect when an application + switches from single-threaded to multi-threaded mode, so that it can avoid + mutex locking/unlocking operations while in single-threaded mode. In + practice, this feature usually has little impact on performance unless + thread-specific caching is disabled. + +--disable-tls + Disable thread-local storage (TLS), which allows for fast access to + thread-local variables via the __thread keyword. If TLS is available, + jemalloc uses it for several purposes. + +--with-xslroot= + Specify where to find DocBook XSL stylesheets when building the + documentation. + +The following environment variables (not a definitive list) impact configure's +behavior: + +CFLAGS="?" + Pass these flags to the compiler. You probably shouldn't define this unless + you know what you are doing. (Use EXTRA_CFLAGS instead.) + +EXTRA_CFLAGS="?" + Append these flags to CFLAGS. This makes it possible to add flags such as + -Werror, while allowing the configure script to determine what other flags + are appropriate for the specified configuration. + + The configure script specifically checks whether an optimization flag (-O*) + is specified in EXTRA_CFLAGS, and refrains from specifying an optimization + level if it finds that one has already been specified. + +CPPFLAGS="?" + Pass these flags to the C preprocessor. Note that CFLAGS is not passed to + 'cpp' when 'configure' is looking for include files, so you must use + CPPFLAGS instead if you need to help 'configure' find header files. + +LD_LIBRARY_PATH="?" + 'ld' uses this colon-separated list to find libraries. + +LDFLAGS="?" + Pass these flags when linking. + +PATH="?" + 'configure' uses this to find programs. + +=== Advanced compilation ======================================================= + +To build only parts of jemalloc, use the following targets: + + build_lib_shared + build_lib_static + build_lib + build_doc_html + build_doc_man + build_doc + +To install only parts of jemalloc, use the following targets: + + install_bin + install_include + install_lib_shared + install_lib_static + install_lib + install_doc_html + install_doc_man + install_doc + +To clean up build results to varying degrees, use the following make targets: + + clean + distclean + relclean + +=== Advanced installation ====================================================== + +Optionally, define make variables when invoking make, including (not +exclusively): + +INCLUDEDIR="?" + Use this as the installation prefix for header files. + +LIBDIR="?" + Use this as the installation prefix for libraries. + +MANDIR="?" + Use this as the installation prefix for man pages. + +DESTDIR="?" + Prepend DESTDIR to INCLUDEDIR, LIBDIR, DATADIR, and MANDIR. This is useful + when installing to a different path than was specified via --prefix. + +CC="?" + Use this to invoke the C compiler. + +CFLAGS="?" + Pass these flags to the compiler. + +CPPFLAGS="?" + Pass these flags to the C preprocessor. + +LDFLAGS="?" + Pass these flags when linking. + +PATH="?" + Use this to search for programs used during configuration and building. + +=== Development ================================================================ + +If you intend to make non-trivial changes to jemalloc, use the 'autogen.sh' +script rather than 'configure'. This re-generates 'configure', enables +configuration dependency rules, and enables re-generation of automatically +generated source files. + +The build system supports using an object directory separate from the source +tree. For example, you can create an 'obj' directory, and from within that +directory, issue configuration and build commands: + + autoconf + mkdir obj + cd obj + ../configure --enable-autogen + make + +=== Documentation ============================================================== + +The manual page is generated in both html and roff formats. Any web browser +can be used to view the html manual. The roff manual page can be formatted +prior to installation via the following command: + + nroff -man -t doc/jemalloc.3 diff --git a/deps/jemalloc/Makefile.in b/deps/jemalloc/Makefile.in new file mode 100644 index 0000000..3644818 --- /dev/null +++ b/deps/jemalloc/Makefile.in @@ -0,0 +1,323 @@ +# Clear out all vpaths, then set just one (default vpath) for the main build +# directory. +vpath +vpath % . + +# Clear the default suffixes, so that built-in rules are not used. +.SUFFIXES : + +SHELL := /bin/sh + +CC := @CC@ + +# Configuration parameters. +DESTDIR = +BINDIR := $(DESTDIR)@BINDIR@ +INCLUDEDIR := $(DESTDIR)@INCLUDEDIR@ +LIBDIR := $(DESTDIR)@LIBDIR@ +DATADIR := $(DESTDIR)@DATADIR@ +MANDIR := $(DESTDIR)@MANDIR@ +srcroot := @srcroot@ +objroot := @objroot@ +abs_srcroot := @abs_srcroot@ +abs_objroot := @abs_objroot@ + +# Build parameters. +CPPFLAGS := @CPPFLAGS@ -I$(srcroot)include -I$(objroot)include +CFLAGS := @CFLAGS@ +LDFLAGS := @LDFLAGS@ +EXTRA_LDFLAGS := @EXTRA_LDFLAGS@ +LIBS := @LIBS@ +RPATH_EXTRA := @RPATH_EXTRA@ +SO := @so@ +IMPORTLIB := @importlib@ +O := @o@ +A := @a@ +EXE := @exe@ +LIBPREFIX := @libprefix@ +REV := @rev@ +install_suffix := @install_suffix@ +ABI := @abi@ +XSLTPROC := @XSLTPROC@ +AUTOCONF := @AUTOCONF@ +_RPATH = @RPATH@ +RPATH = $(if $(1),$(call _RPATH,$(1))) +cfghdrs_in := @cfghdrs_in@ +cfghdrs_out := @cfghdrs_out@ +cfgoutputs_in := @cfgoutputs_in@ +cfgoutputs_out := @cfgoutputs_out@ +enable_autogen := @enable_autogen@ +enable_experimental := @enable_experimental@ +DSO_LDFLAGS = @DSO_LDFLAGS@ +SOREV = @SOREV@ +PIC_CFLAGS = @PIC_CFLAGS@ +CTARGET = @CTARGET@ +LDTARGET = @LDTARGET@ +MKLIB = @MKLIB@ +CC_MM = @CC_MM@ + +ifeq (macho, $(ABI)) +TEST_LIBRARY_PATH := DYLD_FALLBACK_LIBRARY_PATH="$(objroot)lib" +else +ifeq (pecoff, $(ABI)) +TEST_LIBRARY_PATH := PATH="$(PATH):$(objroot)lib" +else +TEST_LIBRARY_PATH := +endif +endif + +LIBJEMALLOC := $(LIBPREFIX)jemalloc$(install_suffix) + +# Lists of files. +BINS := $(srcroot)bin/pprof $(objroot)bin/jemalloc.sh +CHDRS := $(objroot)include/jemalloc/jemalloc$(install_suffix).h \ + $(objroot)include/jemalloc/jemalloc_defs$(install_suffix).h +CSRCS := $(srcroot)src/jemalloc.c $(srcroot)src/arena.c $(srcroot)src/atomic.c \ + $(srcroot)src/base.c $(srcroot)src/bitmap.c $(srcroot)src/chunk.c \ + $(srcroot)src/chunk_dss.c $(srcroot)src/chunk_mmap.c \ + $(srcroot)src/ckh.c $(srcroot)src/ctl.c $(srcroot)src/extent.c \ + $(srcroot)src/hash.c $(srcroot)src/huge.c $(srcroot)src/mb.c \ + $(srcroot)src/mutex.c $(srcroot)src/prof.c $(srcroot)src/quarantine.c \ + $(srcroot)src/rtree.c $(srcroot)src/stats.c $(srcroot)src/tcache.c \ + $(srcroot)src/util.c $(srcroot)src/tsd.c +ifeq (macho, $(ABI)) +CSRCS += $(srcroot)src/zone.c +endif +ifeq ($(IMPORTLIB),$(SO)) +STATIC_LIBS := $(objroot)lib/$(LIBJEMALLOC).$(A) +endif +ifdef PIC_CFLAGS +STATIC_LIBS += $(objroot)lib/$(LIBJEMALLOC)_pic.$(A) +else +STATIC_LIBS += $(objroot)lib/$(LIBJEMALLOC)_s.$(A) +endif +DSOS := $(objroot)lib/$(LIBJEMALLOC).$(SOREV) +ifneq ($(SOREV),$(SO)) +DSOS += $(objroot)lib/$(LIBJEMALLOC).$(SO) +endif +MAN3 := $(objroot)doc/jemalloc$(install_suffix).3 +DOCS_XML := $(objroot)doc/jemalloc$(install_suffix).xml +DOCS_HTML := $(DOCS_XML:$(objroot)%.xml=$(srcroot)%.html) +DOCS_MAN3 := $(DOCS_XML:$(objroot)%.xml=$(srcroot)%.3) +DOCS := $(DOCS_HTML) $(DOCS_MAN3) +CTESTS := $(srcroot)test/aligned_alloc.c $(srcroot)test/allocated.c \ + $(srcroot)test/ALLOCM_ARENA.c $(srcroot)test/bitmap.c \ + $(srcroot)test/mremap.c $(srcroot)test/posix_memalign.c \ + $(srcroot)test/thread_arena.c $(srcroot)test/thread_tcache_enabled.c +ifeq ($(enable_experimental), 1) +CTESTS += $(srcroot)test/allocm.c $(srcroot)test/rallocm.c +endif + +COBJS := $(CSRCS:$(srcroot)%.c=$(objroot)%.$(O)) +CPICOBJS := $(CSRCS:$(srcroot)%.c=$(objroot)%.pic.$(O)) +CTESTOBJS := $(CTESTS:$(srcroot)%.c=$(objroot)%.$(O)) + +.PHONY: all dist doc_html doc_man doc +.PHONY: install_bin install_include install_lib +.PHONY: install_html install_man install_doc install +.PHONY: tests check clean distclean relclean + +.SECONDARY : $(CTESTOBJS) + +# Default target. +all: build + +dist: build_doc + +$(srcroot)doc/%.html : $(objroot)doc/%.xml $(srcroot)doc/stylesheet.xsl $(objroot)doc/html.xsl + $(XSLTPROC) -o $@ $(objroot)doc/html.xsl $< + +$(srcroot)doc/%.3 : $(objroot)doc/%.xml $(srcroot)doc/stylesheet.xsl $(objroot)doc/manpages.xsl + $(XSLTPROC) -o $@ $(objroot)doc/manpages.xsl $< + +build_doc_html: $(DOCS_HTML) +build_doc_man: $(DOCS_MAN3) +build_doc: $(DOCS) + +# +# Include generated dependency files. +# +ifdef CC_MM +-include $(COBJS:%.$(O)=%.d) +-include $(CPICOBJS:%.$(O)=%.d) +-include $(CTESTOBJS:%.$(O)=%.d) +endif + +$(COBJS): $(objroot)src/%.$(O): $(srcroot)src/%.c +$(CPICOBJS): $(objroot)src/%.pic.$(O): $(srcroot)src/%.c +$(CPICOBJS): CFLAGS += $(PIC_CFLAGS) +$(CTESTOBJS): $(objroot)test/%.$(O): $(srcroot)test/%.c +$(CTESTOBJS): CPPFLAGS += -I$(objroot)test +ifneq ($(IMPORTLIB),$(SO)) +$(COBJS): CPPFLAGS += -DDLLEXPORT +endif + +ifndef CC_MM +# Dependencies +HEADER_DIRS = $(srcroot)include/jemalloc/internal \ + $(objroot)include/jemalloc $(objroot)include/jemalloc/internal +HEADERS = $(wildcard $(foreach dir,$(HEADER_DIRS),$(dir)/*.h)) +$(COBJS) $(CPICOBJS) $(CTESTOBJS): $(HEADERS) +$(CTESTOBJS): $(objroot)test/jemalloc_test.h +endif + +$(COBJS) $(CPICOBJS) $(CTESTOBJS): %.$(O): + @mkdir -p $(@D) + $(CC) $(CFLAGS) -c $(CPPFLAGS) $(CTARGET) $< +ifdef CC_MM + @$(CC) -MM $(CPPFLAGS) -MT $@ -o $(@:%.$(O)=%.d) $< +endif + +ifneq ($(SOREV),$(SO)) +%.$(SO) : %.$(SOREV) + @mkdir -p $(@D) + ln -sf $( $(objroot)$${t}.out 2>&1; \ + if test -e "$(srcroot)$${t}.exp"; then \ + diff -w -u $(srcroot)$${t}.exp \ + $(objroot)$${t}.out >/dev/null 2>&1; \ + fail=$$?; \ + if test "$${fail}" -eq "1" ; then \ + failures=`expr $${failures} + 1`; \ + echo "*** FAIL ***"; \ + else \ + echo "pass"; \ + fi; \ + else \ + echo "*** FAIL *** (.exp file is missing)"; \ + failures=`expr $${failures} + 1`; \ + fi; \ + done; \ + echo "========================================="; \ + echo "Failures: $${failures}/$${total}"' + +clean: + rm -f $(COBJS) + rm -f $(CPICOBJS) + rm -f $(COBJS:%.$(O)=%.d) + rm -f $(CPICOBJS:%.$(O)=%.d) + rm -f $(CTESTOBJS:%.$(O)=%$(EXE)) + rm -f $(CTESTOBJS) + rm -f $(CTESTOBJS:%.$(O)=%.d) + rm -f $(CTESTOBJS:%.$(O)=%.out) + rm -f $(DSOS) $(STATIC_LIBS) + +distclean: clean + rm -rf $(objroot)autom4te.cache + rm -f $(objroot)config.log + rm -f $(objroot)config.status + rm -f $(objroot)config.stamp + rm -f $(cfghdrs_out) + rm -f $(cfgoutputs_out) + +relclean: distclean + rm -f $(objroot)configure + rm -f $(srcroot)VERSION + rm -f $(DOCS_HTML) + rm -f $(DOCS_MAN3) + +#=============================================================================== +# Re-configuration rules. + +ifeq ($(enable_autogen), 1) +$(srcroot)configure : $(srcroot)configure.ac + cd ./$(srcroot) && $(AUTOCONF) + +$(objroot)config.status : $(srcroot)configure + ./$(objroot)config.status --recheck + +$(srcroot)config.stamp.in : $(srcroot)configure.ac + echo stamp > $(srcroot)config.stamp.in + +$(objroot)config.stamp : $(cfgoutputs_in) $(cfghdrs_in) $(srcroot)configure + ./$(objroot)config.status + @touch $@ + +# There must be some action in order for make to re-read Makefile when it is +# out of date. +$(cfgoutputs_out) $(cfghdrs_out) : $(objroot)config.stamp + @true +endif diff --git a/deps/jemalloc/README b/deps/jemalloc/README new file mode 100644 index 0000000..7661683 --- /dev/null +++ b/deps/jemalloc/README @@ -0,0 +1,16 @@ +jemalloc is a general-purpose scalable concurrent malloc(3) implementation. +This distribution is a "portable" implementation that currently targets +FreeBSD, Linux, Apple OS X, and MinGW. jemalloc is included as the default +allocator in the FreeBSD and NetBSD operating systems, and it is used by the +Mozilla Firefox web browser on Microsoft Windows-related platforms. Depending +on your needs, one of the other divergent versions may suit your needs better +than this distribution. + +The COPYING file contains copyright and licensing information. + +The INSTALL file contains information on how to configure, build, and install +jemalloc. + +The ChangeLog file contains a brief summary of changes for each release. + +URL: http://www.canonware.com/jemalloc/ diff --git a/deps/jemalloc/VERSION b/deps/jemalloc/VERSION new file mode 100644 index 0000000..5e64fc9 --- /dev/null +++ b/deps/jemalloc/VERSION @@ -0,0 +1 @@ +3.2.0-0-g87499f6748ebe4817571e817e9f680ccb5bf54a9 diff --git a/deps/jemalloc/autogen.sh b/deps/jemalloc/autogen.sh new file mode 100755 index 0000000..75f32da --- /dev/null +++ b/deps/jemalloc/autogen.sh @@ -0,0 +1,17 @@ +#!/bin/sh + +for i in autoconf; do + echo "$i" + $i + if [ $? -ne 0 ]; then + echo "Error $? in $i" + exit 1 + fi +done + +echo "./configure --enable-autogen $@" +./configure --enable-autogen $@ +if [ $? -ne 0 ]; then + echo "Error $? in ./configure" + exit 1 +fi diff --git a/deps/jemalloc/bin/jemalloc.sh.in b/deps/jemalloc/bin/jemalloc.sh.in new file mode 100644 index 0000000..cdf3673 --- /dev/null +++ b/deps/jemalloc/bin/jemalloc.sh.in @@ -0,0 +1,9 @@ +#!/bin/sh + +prefix=@prefix@ +exec_prefix=@exec_prefix@ +libdir=@libdir@ + +@LD_PRELOAD_VAR@=${libdir}/libjemalloc.@SOREV@ +export @LD_PRELOAD_VAR@ +exec "$@" diff --git a/deps/jemalloc/bin/pprof b/deps/jemalloc/bin/pprof new file mode 100755 index 0000000..727eb43 --- /dev/null +++ b/deps/jemalloc/bin/pprof @@ -0,0 +1,5348 @@ +#! /usr/bin/env perl + +# Copyright (c) 1998-2007, Google Inc. +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +# --- +# Program for printing the profile generated by common/profiler.cc, +# or by the heap profiler (common/debugallocation.cc) +# +# The profile contains a sequence of entries of the form: +# +# This program parses the profile, and generates user-readable +# output. +# +# Examples: +# +# % tools/pprof "program" "profile" +# Enters "interactive" mode +# +# % tools/pprof --text "program" "profile" +# Generates one line per procedure +# +# % tools/pprof --gv "program" "profile" +# Generates annotated call-graph and displays via "gv" +# +# % tools/pprof --gv --focus=Mutex "program" "profile" +# Restrict to code paths that involve an entry that matches "Mutex" +# +# % tools/pprof --gv --focus=Mutex --ignore=string "program" "profile" +# Restrict to code paths that involve an entry that matches "Mutex" +# and does not match "string" +# +# % tools/pprof --list=IBF_CheckDocid "program" "profile" +# Generates disassembly listing of all routines with at least one +# sample that match the --list= pattern. The listing is +# annotated with the flat and cumulative sample counts at each line. +# +# % tools/pprof --disasm=IBF_CheckDocid "program" "profile" +# Generates disassembly listing of all routines with at least one +# sample that match the --disasm= pattern. The listing is +# annotated with the flat and cumulative sample counts at each PC value. +# +# TODO: Use color to indicate files? + +use strict; +use warnings; +use Getopt::Long; + +my $PPROF_VERSION = "2.0"; + +# These are the object tools we use which can come from a +# user-specified location using --tools, from the PPROF_TOOLS +# environment variable, or from the environment. +my %obj_tool_map = ( + "objdump" => "objdump", + "nm" => "nm", + "addr2line" => "addr2line", + "c++filt" => "c++filt", + ## ConfigureObjTools may add architecture-specific entries: + #"nm_pdb" => "nm-pdb", # for reading windows (PDB-format) executables + #"addr2line_pdb" => "addr2line-pdb", # ditto + #"otool" => "otool", # equivalent of objdump on OS X +); +# NOTE: these are lists, so you can put in commandline flags if you want. +my @DOT = ("dot"); # leave non-absolute, since it may be in /usr/local +my @GV = ("gv"); +my @EVINCE = ("evince"); # could also be xpdf or perhaps acroread +my @KCACHEGRIND = ("kcachegrind"); +my @PS2PDF = ("ps2pdf"); +# These are used for dynamic profiles +my @URL_FETCHER = ("curl", "-s"); + +# These are the web pages that servers need to support for dynamic profiles +my $HEAP_PAGE = "/pprof/heap"; +my $PROFILE_PAGE = "/pprof/profile"; # must support cgi-param "?seconds=#" +my $PMUPROFILE_PAGE = "/pprof/pmuprofile(?:\\?.*)?"; # must support cgi-param + # ?seconds=#&event=x&period=n +my $GROWTH_PAGE = "/pprof/growth"; +my $CONTENTION_PAGE = "/pprof/contention"; +my $WALL_PAGE = "/pprof/wall(?:\\?.*)?"; # accepts options like namefilter +my $FILTEREDPROFILE_PAGE = "/pprof/filteredprofile(?:\\?.*)?"; +my $CENSUSPROFILE_PAGE = "/pprof/censusprofile(?:\\?.*)?"; # must support cgi-param + # "?seconds=#", + # "?tags_regexp=#" and + # "?type=#". +my $SYMBOL_PAGE = "/pprof/symbol"; # must support symbol lookup via POST +my $PROGRAM_NAME_PAGE = "/pprof/cmdline"; + +# These are the web pages that can be named on the command line. +# All the alternatives must begin with /. +my $PROFILES = "($HEAP_PAGE|$PROFILE_PAGE|$PMUPROFILE_PAGE|" . + "$GROWTH_PAGE|$CONTENTION_PAGE|$WALL_PAGE|" . + "$FILTEREDPROFILE_PAGE|$CENSUSPROFILE_PAGE)"; + +# default binary name +my $UNKNOWN_BINARY = "(unknown)"; + +# There is a pervasive dependency on the length (in hex characters, +# i.e., nibbles) of an address, distinguishing between 32-bit and +# 64-bit profiles. To err on the safe size, default to 64-bit here: +my $address_length = 16; + +my $dev_null = "/dev/null"; +if (! -e $dev_null && $^O =~ /MSWin/) { # $^O is the OS perl was built for + $dev_null = "nul"; +} + +# A list of paths to search for shared object files +my @prefix_list = (); + +# Special routine name that should not have any symbols. +# Used as separator to parse "addr2line -i" output. +my $sep_symbol = '_fini'; +my $sep_address = undef; + +##### Argument parsing ##### + +sub usage_string { + return < + is a space separated list of profile names. +pprof [options] + is a list of profile files where each file contains + the necessary symbol mappings as well as profile data (likely generated + with --raw). +pprof [options] + is a remote form. Symbols are obtained from host:port$SYMBOL_PAGE + + Each name can be: + /path/to/profile - a path to a profile file + host:port[/] - a location of a service to get profile from + + The / can be $HEAP_PAGE, $PROFILE_PAGE, /pprof/pmuprofile, + $GROWTH_PAGE, $CONTENTION_PAGE, /pprof/wall, + $CENSUSPROFILE_PAGE, or /pprof/filteredprofile. + For instance: + pprof http://myserver.com:80$HEAP_PAGE + If / is omitted, the service defaults to $PROFILE_PAGE (cpu profiling). +pprof --symbols + Maps addresses to symbol names. In this mode, stdin should be a + list of library mappings, in the same format as is found in the heap- + and cpu-profile files (this loosely matches that of /proc/self/maps + on linux), followed by a list of hex addresses to map, one per line. + + For more help with querying remote servers, including how to add the + necessary server-side support code, see this filename (or one like it): + + /usr/doc/gperftools-$PPROF_VERSION/pprof_remote_servers.html + +Options: + --cum Sort by cumulative data + --base= Subtract from before display + --interactive Run in interactive mode (interactive "help" gives help) [default] + --seconds= Length of time for dynamic profiles [default=30 secs] + --add_lib= Read additional symbols and line info from the given library + --lib_prefix= Comma separated list of library path prefixes + +Reporting Granularity: + --addresses Report at address level + --lines Report at source line level + --functions Report at function level [default] + --files Report at source file level + +Output type: + --text Generate text report + --callgrind Generate callgrind format to stdout + --gv Generate Postscript and display + --evince Generate PDF and display + --web Generate SVG and display + --list= Generate source listing of matching routines + --disasm= Generate disassembly of matching routines + --symbols Print demangled symbol names found at given addresses + --dot Generate DOT file to stdout + --ps Generate Postcript to stdout + --pdf Generate PDF to stdout + --svg Generate SVG to stdout + --gif Generate GIF to stdout + --raw Generate symbolized pprof data (useful with remote fetch) + +Heap-Profile Options: + --inuse_space Display in-use (mega)bytes [default] + --inuse_objects Display in-use objects + --alloc_space Display allocated (mega)bytes + --alloc_objects Display allocated objects + --show_bytes Display space in bytes + --drop_negative Ignore negative differences + +Contention-profile options: + --total_delay Display total delay at each region [default] + --contentions Display number of delays at each region + --mean_delay Display mean delay at each region + +Call-graph Options: + --nodecount= Show at most so many nodes [default=80] + --nodefraction= Hide nodes below *total [default=.005] + --edgefraction= Hide edges below *total [default=.001] + --maxdegree= Max incoming/outgoing edges per node [default=8] + --focus= Focus on nodes matching + --ignore= Ignore nodes matching + --scale= Set GV scaling [default=0] + --heapcheck Make nodes with non-0 object counts + (i.e. direct leak generators) more visible + +Miscellaneous: + --tools=[,...] \$PATH for object tool pathnames + --test Run unit tests + --help This message + --version Version information + +Environment Variables: + PPROF_TMPDIR Profiles directory. Defaults to \$HOME/pprof + PPROF_TOOLS Prefix for object tools pathnames + +Examples: + +pprof /bin/ls ls.prof + Enters "interactive" mode +pprof --text /bin/ls ls.prof + Outputs one line per procedure +pprof --web /bin/ls ls.prof + Displays annotated call-graph in web browser +pprof --gv /bin/ls ls.prof + Displays annotated call-graph via 'gv' +pprof --gv --focus=Mutex /bin/ls ls.prof + Restricts to code paths including a .*Mutex.* entry +pprof --gv --focus=Mutex --ignore=string /bin/ls ls.prof + Code paths including Mutex but not string +pprof --list=getdir /bin/ls ls.prof + (Per-line) annotated source listing for getdir() +pprof --disasm=getdir /bin/ls ls.prof + (Per-PC) annotated disassembly for getdir() + +pprof http://localhost:1234/ + Enters "interactive" mode +pprof --text localhost:1234 + Outputs one line per procedure for localhost:1234 +pprof --raw localhost:1234 > ./local.raw +pprof --text ./local.raw + Fetches a remote profile for later analysis and then + analyzes it in text mode. +EOF +} + +sub version_string { + return < \$main::opt_help, + "version!" => \$main::opt_version, + "cum!" => \$main::opt_cum, + "base=s" => \$main::opt_base, + "seconds=i" => \$main::opt_seconds, + "add_lib=s" => \$main::opt_lib, + "lib_prefix=s" => \$main::opt_lib_prefix, + "functions!" => \$main::opt_functions, + "lines!" => \$main::opt_lines, + "addresses!" => \$main::opt_addresses, + "files!" => \$main::opt_files, + "text!" => \$main::opt_text, + "callgrind!" => \$main::opt_callgrind, + "list=s" => \$main::opt_list, + "disasm=s" => \$main::opt_disasm, + "symbols!" => \$main::opt_symbols, + "gv!" => \$main::opt_gv, + "evince!" => \$main::opt_evince, + "web!" => \$main::opt_web, + "dot!" => \$main::opt_dot, + "ps!" => \$main::opt_ps, + "pdf!" => \$main::opt_pdf, + "svg!" => \$main::opt_svg, + "gif!" => \$main::opt_gif, + "raw!" => \$main::opt_raw, + "interactive!" => \$main::opt_interactive, + "nodecount=i" => \$main::opt_nodecount, + "nodefraction=f" => \$main::opt_nodefraction, + "edgefraction=f" => \$main::opt_edgefraction, + "maxdegree=i" => \$main::opt_maxdegree, + "focus=s" => \$main::opt_focus, + "ignore=s" => \$main::opt_ignore, + "scale=i" => \$main::opt_scale, + "heapcheck" => \$main::opt_heapcheck, + "inuse_space!" => \$main::opt_inuse_space, + "inuse_objects!" => \$main::opt_inuse_objects, + "alloc_space!" => \$main::opt_alloc_space, + "alloc_objects!" => \$main::opt_alloc_objects, + "show_bytes!" => \$main::opt_show_bytes, + "drop_negative!" => \$main::opt_drop_negative, + "total_delay!" => \$main::opt_total_delay, + "contentions!" => \$main::opt_contentions, + "mean_delay!" => \$main::opt_mean_delay, + "tools=s" => \$main::opt_tools, + "test!" => \$main::opt_test, + "debug!" => \$main::opt_debug, + # Undocumented flags used only by unittests: + "test_stride=i" => \$main::opt_test_stride, + ) || usage("Invalid option(s)"); + + # Deal with the standard --help and --version + if ($main::opt_help) { + print usage_string(); + exit(0); + } + + if ($main::opt_version) { + print version_string(); + exit(0); + } + + # Disassembly/listing/symbols mode requires address-level info + if ($main::opt_disasm || $main::opt_list || $main::opt_symbols) { + $main::opt_functions = 0; + $main::opt_lines = 0; + $main::opt_addresses = 1; + $main::opt_files = 0; + } + + # Check heap-profiling flags + if ($main::opt_inuse_space + + $main::opt_inuse_objects + + $main::opt_alloc_space + + $main::opt_alloc_objects > 1) { + usage("Specify at most on of --inuse/--alloc options"); + } + + # Check output granularities + my $grains = + $main::opt_functions + + $main::opt_lines + + $main::opt_addresses + + $main::opt_files + + 0; + if ($grains > 1) { + usage("Only specify one output granularity option"); + } + if ($grains == 0) { + $main::opt_functions = 1; + } + + # Check output modes + my $modes = + $main::opt_text + + $main::opt_callgrind + + ($main::opt_list eq '' ? 0 : 1) + + ($main::opt_disasm eq '' ? 0 : 1) + + ($main::opt_symbols == 0 ? 0 : 1) + + $main::opt_gv + + $main::opt_evince + + $main::opt_web + + $main::opt_dot + + $main::opt_ps + + $main::opt_pdf + + $main::opt_svg + + $main::opt_gif + + $main::opt_raw + + $main::opt_interactive + + 0; + if ($modes > 1) { + usage("Only specify one output mode"); + } + if ($modes == 0) { + if (-t STDOUT) { # If STDOUT is a tty, activate interactive mode + $main::opt_interactive = 1; + } else { + $main::opt_text = 1; + } + } + + if ($main::opt_test) { + RunUnitTests(); + # Should not return + exit(1); + } + + # Binary name and profile arguments list + $main::prog = ""; + @main::pfile_args = (); + + # Remote profiling without a binary (using $SYMBOL_PAGE instead) + if (@ARGV > 0) { + if (IsProfileURL($ARGV[0])) { + $main::use_symbol_page = 1; + } elsif (IsSymbolizedProfileFile($ARGV[0])) { + $main::use_symbolized_profile = 1; + $main::prog = $UNKNOWN_BINARY; # will be set later from the profile file + } + } + + if ($main::use_symbol_page || $main::use_symbolized_profile) { + # We don't need a binary! + my %disabled = ('--lines' => $main::opt_lines, + '--disasm' => $main::opt_disasm); + for my $option (keys %disabled) { + usage("$option cannot be used without a binary") if $disabled{$option}; + } + # Set $main::prog later... + scalar(@ARGV) || usage("Did not specify profile file"); + } elsif ($main::opt_symbols) { + # --symbols needs a binary-name (to run nm on, etc) but not profiles + $main::prog = shift(@ARGV) || usage("Did not specify program"); + } else { + $main::prog = shift(@ARGV) || usage("Did not specify program"); + scalar(@ARGV) || usage("Did not specify profile file"); + } + + # Parse profile file/location arguments + foreach my $farg (@ARGV) { + if ($farg =~ m/(.*)\@([0-9]+)(|\/.*)$/ ) { + my $machine = $1; + my $num_machines = $2; + my $path = $3; + for (my $i = 0; $i < $num_machines; $i++) { + unshift(@main::pfile_args, "$i.$machine$path"); + } + } else { + unshift(@main::pfile_args, $farg); + } + } + + if ($main::use_symbol_page) { + unless (IsProfileURL($main::pfile_args[0])) { + error("The first profile should be a remote form to use $SYMBOL_PAGE\n"); + } + CheckSymbolPage(); + $main::prog = FetchProgramName(); + } elsif (!$main::use_symbolized_profile) { # may not need objtools! + ConfigureObjTools($main::prog) + } + + # Break the opt_lib_prefix into the prefix_list array + @prefix_list = split (',', $main::opt_lib_prefix); + + # Remove trailing / from the prefixes, in the list to prevent + # searching things like /my/path//lib/mylib.so + foreach (@prefix_list) { + s|/+$||; + } +} + +sub Main() { + Init(); + $main::collected_profile = undef; + @main::profile_files = (); + $main::op_time = time(); + + # Printing symbols is special and requires a lot less info that most. + if ($main::opt_symbols) { + PrintSymbols(*STDIN); # Get /proc/maps and symbols output from stdin + return; + } + + # Fetch all profile data + FetchDynamicProfiles(); + + # this will hold symbols that we read from the profile files + my $symbol_map = {}; + + # Read one profile, pick the last item on the list + my $data = ReadProfile($main::prog, pop(@main::profile_files)); + my $profile = $data->{profile}; + my $pcs = $data->{pcs}; + my $libs = $data->{libs}; # Info about main program and shared libraries + $symbol_map = MergeSymbols($symbol_map, $data->{symbols}); + + # Add additional profiles, if available. + if (scalar(@main::profile_files) > 0) { + foreach my $pname (@main::profile_files) { + my $data2 = ReadProfile($main::prog, $pname); + $profile = AddProfile($profile, $data2->{profile}); + $pcs = AddPcs($pcs, $data2->{pcs}); + $symbol_map = MergeSymbols($symbol_map, $data2->{symbols}); + } + } + + # Subtract base from profile, if specified + if ($main::opt_base ne '') { + my $base = ReadProfile($main::prog, $main::opt_base); + $profile = SubtractProfile($profile, $base->{profile}); + $pcs = AddPcs($pcs, $base->{pcs}); + $symbol_map = MergeSymbols($symbol_map, $base->{symbols}); + } + + # Get total data in profile + my $total = TotalProfile($profile); + + # Collect symbols + my $symbols; + if ($main::use_symbolized_profile) { + $symbols = FetchSymbols($pcs, $symbol_map); + } elsif ($main::use_symbol_page) { + $symbols = FetchSymbols($pcs); + } else { + # TODO(csilvers): $libs uses the /proc/self/maps data from profile1, + # which may differ from the data from subsequent profiles, especially + # if they were run on different machines. Use appropriate libs for + # each pc somehow. + $symbols = ExtractSymbols($libs, $pcs); + } + + # Remove uniniteresting stack items + $profile = RemoveUninterestingFrames($symbols, $profile); + + # Focus? + if ($main::opt_focus ne '') { + $profile = FocusProfile($symbols, $profile, $main::opt_focus); + } + + # Ignore? + if ($main::opt_ignore ne '') { + $profile = IgnoreProfile($symbols, $profile, $main::opt_ignore); + } + + my $calls = ExtractCalls($symbols, $profile); + + # Reduce profiles to required output granularity, and also clean + # each stack trace so a given entry exists at most once. + my $reduced = ReduceProfile($symbols, $profile); + + # Get derived profiles + my $flat = FlatProfile($reduced); + my $cumulative = CumulativeProfile($reduced); + + # Print + if (!$main::opt_interactive) { + if ($main::opt_disasm) { + PrintDisassembly($libs, $flat, $cumulative, $main::opt_disasm); + } elsif ($main::opt_list) { + PrintListing($total, $libs, $flat, $cumulative, $main::opt_list, 0); + } elsif ($main::opt_text) { + # Make sure the output is empty when have nothing to report + # (only matters when --heapcheck is given but we must be + # compatible with old branches that did not pass --heapcheck always): + if ($total != 0) { + printf("Total: %s %s\n", Unparse($total), Units()); + } + PrintText($symbols, $flat, $cumulative, -1); + } elsif ($main::opt_raw) { + PrintSymbolizedProfile($symbols, $profile, $main::prog); + } elsif ($main::opt_callgrind) { + PrintCallgrind($calls); + } else { + if (PrintDot($main::prog, $symbols, $profile, $flat, $cumulative, $total)) { + if ($main::opt_gv) { + RunGV(TempName($main::next_tmpfile, "ps"), ""); + } elsif ($main::opt_evince) { + RunEvince(TempName($main::next_tmpfile, "pdf"), ""); + } elsif ($main::opt_web) { + my $tmp = TempName($main::next_tmpfile, "svg"); + RunWeb($tmp); + # The command we run might hand the file name off + # to an already running browser instance and then exit. + # Normally, we'd remove $tmp on exit (right now), + # but fork a child to remove $tmp a little later, so that the + # browser has time to load it first. + delete $main::tempnames{$tmp}; + if (fork() == 0) { + sleep 5; + unlink($tmp); + exit(0); + } + } + } else { + cleanup(); + exit(1); + } + } + } else { + InteractiveMode($profile, $symbols, $libs, $total); + } + + cleanup(); + exit(0); +} + +##### Entry Point ##### + +Main(); + +# Temporary code to detect if we're running on a Goobuntu system. +# These systems don't have the right stuff installed for the special +# Readline libraries to work, so as a temporary workaround, we default +# to using the normal stdio code, rather than the fancier readline-based +# code +sub ReadlineMightFail { + if (-e '/lib/libtermcap.so.2') { + return 0; # libtermcap exists, so readline should be okay + } else { + return 1; + } +} + +sub RunGV { + my $fname = shift; + my $bg = shift; # "" or " &" if we should run in background + if (!system(ShellEscape(@GV, "--version") . " >$dev_null 2>&1")) { + # Options using double dash are supported by this gv version. + # Also, turn on noantialias to better handle bug in gv for + # postscript files with large dimensions. + # TODO: Maybe we should not pass the --noantialias flag + # if the gv version is known to work properly without the flag. + system(ShellEscape(@GV, "--scale=$main::opt_scale", "--noantialias", $fname) + . $bg); + } else { + # Old gv version - only supports options that use single dash. + print STDERR ShellEscape(@GV, "-scale", $main::opt_scale) . "\n"; + system(ShellEscape(@GV, "-scale", "$main::opt_scale", $fname) . $bg); + } +} + +sub RunEvince { + my $fname = shift; + my $bg = shift; # "" or " &" if we should run in background + system(ShellEscape(@EVINCE, $fname) . $bg); +} + +sub RunWeb { + my $fname = shift; + print STDERR "Loading web page file:///$fname\n"; + + if (`uname` =~ /Darwin/) { + # OS X: open will use standard preference for SVG files. + system("/usr/bin/open", $fname); + return; + } + + # Some kind of Unix; try generic symlinks, then specific browsers. + # (Stop once we find one.) + # Works best if the browser is already running. + my @alt = ( + "/etc/alternatives/gnome-www-browser", + "/etc/alternatives/x-www-browser", + "google-chrome", + "firefox", + ); + foreach my $b (@alt) { + if (system($b, $fname) == 0) { + return; + } + } + + print STDERR "Could not load web browser.\n"; +} + +sub RunKcachegrind { + my $fname = shift; + my $bg = shift; # "" or " &" if we should run in background + print STDERR "Starting '@KCACHEGRIND " . $fname . $bg . "'\n"; + system(ShellEscape(@KCACHEGRIND, $fname) . $bg); +} + + +##### Interactive helper routines ##### + +sub InteractiveMode { + $| = 1; # Make output unbuffered for interactive mode + my ($orig_profile, $symbols, $libs, $total) = @_; + + print STDERR "Welcome to pprof! For help, type 'help'.\n"; + + # Use ReadLine if it's installed and input comes from a console. + if ( -t STDIN && + !ReadlineMightFail() && + defined(eval {require Term::ReadLine}) ) { + my $term = new Term::ReadLine 'pprof'; + while ( defined ($_ = $term->readline('(pprof) '))) { + $term->addhistory($_) if /\S/; + if (!InteractiveCommand($orig_profile, $symbols, $libs, $total, $_)) { + last; # exit when we get an interactive command to quit + } + } + } else { # don't have readline + while (1) { + print STDERR "(pprof) "; + $_ = ; + last if ! defined $_ ; + s/\r//g; # turn windows-looking lines into unix-looking lines + + # Save some flags that might be reset by InteractiveCommand() + my $save_opt_lines = $main::opt_lines; + + if (!InteractiveCommand($orig_profile, $symbols, $libs, $total, $_)) { + last; # exit when we get an interactive command to quit + } + + # Restore flags + $main::opt_lines = $save_opt_lines; + } + } +} + +# Takes two args: orig profile, and command to run. +# Returns 1 if we should keep going, or 0 if we were asked to quit +sub InteractiveCommand { + my($orig_profile, $symbols, $libs, $total, $command) = @_; + $_ = $command; # just to make future m//'s easier + if (!defined($_)) { + print STDERR "\n"; + return 0; + } + if (m/^\s*quit/) { + return 0; + } + if (m/^\s*help/) { + InteractiveHelpMessage(); + return 1; + } + # Clear all the mode options -- mode is controlled by "$command" + $main::opt_text = 0; + $main::opt_callgrind = 0; + $main::opt_disasm = 0; + $main::opt_list = 0; + $main::opt_gv = 0; + $main::opt_evince = 0; + $main::opt_cum = 0; + + if (m/^\s*(text|top)(\d*)\s*(.*)/) { + $main::opt_text = 1; + + my $line_limit = ($2 ne "") ? int($2) : 10; + + my $routine; + my $ignore; + ($routine, $ignore) = ParseInteractiveArgs($3); + + my $profile = ProcessProfile($total, $orig_profile, $symbols, "", $ignore); + my $reduced = ReduceProfile($symbols, $profile); + + # Get derived profiles + my $flat = FlatProfile($reduced); + my $cumulative = CumulativeProfile($reduced); + + PrintText($symbols, $flat, $cumulative, $line_limit); + return 1; + } + if (m/^\s*callgrind\s*([^ \n]*)/) { + $main::opt_callgrind = 1; + + # Get derived profiles + my $calls = ExtractCalls($symbols, $orig_profile); + my $filename = $1; + if ( $1 eq '' ) { + $filename = TempName($main::next_tmpfile, "callgrind"); + } + PrintCallgrind($calls, $filename); + if ( $1 eq '' ) { + RunKcachegrind($filename, " & "); + $main::next_tmpfile++; + } + + return 1; + } + if (m/^\s*(web)?list\s*(.+)/) { + my $html = (defined($1) && ($1 eq "web")); + $main::opt_list = 1; + + my $routine; + my $ignore; + ($routine, $ignore) = ParseInteractiveArgs($2); + + my $profile = ProcessProfile($total, $orig_profile, $symbols, "", $ignore); + my $reduced = ReduceProfile($symbols, $profile); + + # Get derived profiles + my $flat = FlatProfile($reduced); + my $cumulative = CumulativeProfile($reduced); + + PrintListing($total, $libs, $flat, $cumulative, $routine, $html); + return 1; + } + if (m/^\s*disasm\s*(.+)/) { + $main::opt_disasm = 1; + + my $routine; + my $ignore; + ($routine, $ignore) = ParseInteractiveArgs($1); + + # Process current profile to account for various settings + my $profile = ProcessProfile($total, $orig_profile, $symbols, "", $ignore); + my $reduced = ReduceProfile($symbols, $profile); + + # Get derived profiles + my $flat = FlatProfile($reduced); + my $cumulative = CumulativeProfile($reduced); + + PrintDisassembly($libs, $flat, $cumulative, $routine); + return 1; + } + if (m/^\s*(gv|web|evince)\s*(.*)/) { + $main::opt_gv = 0; + $main::opt_evince = 0; + $main::opt_web = 0; + if ($1 eq "gv") { + $main::opt_gv = 1; + } elsif ($1 eq "evince") { + $main::opt_evince = 1; + } elsif ($1 eq "web") { + $main::opt_web = 1; + } + + my $focus; + my $ignore; + ($focus, $ignore) = ParseInteractiveArgs($2); + + # Process current profile to account for various settings + my $profile = ProcessProfile($total, $orig_profile, $symbols, + $focus, $ignore); + my $reduced = ReduceProfile($symbols, $profile); + + # Get derived profiles + my $flat = FlatProfile($reduced); + my $cumulative = CumulativeProfile($reduced); + + if (PrintDot($main::prog, $symbols, $profile, $flat, $cumulative, $total)) { + if ($main::opt_gv) { + RunGV(TempName($main::next_tmpfile, "ps"), " &"); + } elsif ($main::opt_evince) { + RunEvince(TempName($main::next_tmpfile, "pdf"), " &"); + } elsif ($main::opt_web) { + RunWeb(TempName($main::next_tmpfile, "svg")); + } + $main::next_tmpfile++; + } + return 1; + } + if (m/^\s*$/) { + return 1; + } + print STDERR "Unknown command: try 'help'.\n"; + return 1; +} + + +sub ProcessProfile { + my $total_count = shift; + my $orig_profile = shift; + my $symbols = shift; + my $focus = shift; + my $ignore = shift; + + # Process current profile to account for various settings + my $profile = $orig_profile; + printf("Total: %s %s\n", Unparse($total_count), Units()); + if ($focus ne '') { + $profile = FocusProfile($symbols, $profile, $focus); + my $focus_count = TotalProfile($profile); + printf("After focusing on '%s': %s %s of %s (%0.1f%%)\n", + $focus, + Unparse($focus_count), Units(), + Unparse($total_count), ($focus_count*100.0) / $total_count); + } + if ($ignore ne '') { + $profile = IgnoreProfile($symbols, $profile, $ignore); + my $ignore_count = TotalProfile($profile); + printf("After ignoring '%s': %s %s of %s (%0.1f%%)\n", + $ignore, + Unparse($ignore_count), Units(), + Unparse($total_count), + ($ignore_count*100.0) / $total_count); + } + + return $profile; +} + +sub InteractiveHelpMessage { + print STDERR <{$k}; + my @addrs = split(/\n/, $k); + if ($#addrs >= 0) { + my $depth = $#addrs + 1; + # int(foo / 2**32) is the only reliable way to get rid of bottom + # 32 bits on both 32- and 64-bit systems. + print pack('L*', $count & 0xFFFFFFFF, int($count / 2**32)); + print pack('L*', $depth & 0xFFFFFFFF, int($depth / 2**32)); + + foreach my $full_addr (@addrs) { + my $addr = $full_addr; + $addr =~ s/0x0*//; # strip off leading 0x, zeroes + if (length($addr) > 16) { + print STDERR "Invalid address in profile: $full_addr\n"; + next; + } + my $low_addr = substr($addr, -8); # get last 8 hex chars + my $high_addr = substr($addr, -16, 8); # get up to 8 more hex chars + print pack('L*', hex('0x' . $low_addr), hex('0x' . $high_addr)); + } + } + } +} + +# Print symbols and profile data +sub PrintSymbolizedProfile { + my $symbols = shift; + my $profile = shift; + my $prog = shift; + + $SYMBOL_PAGE =~ m,[^/]+$,; # matches everything after the last slash + my $symbol_marker = $&; + + print '--- ', $symbol_marker, "\n"; + if (defined($prog)) { + print 'binary=', $prog, "\n"; + } + while (my ($pc, $name) = each(%{$symbols})) { + my $sep = ' '; + print '0x', $pc; + # We have a list of function names, which include the inlined + # calls. They are separated (and terminated) by --, which is + # illegal in function names. + for (my $j = 2; $j <= $#{$name}; $j += 3) { + print $sep, $name->[$j]; + $sep = '--'; + } + print "\n"; + } + print '---', "\n"; + + $PROFILE_PAGE =~ m,[^/]+$,; # matches everything after the last slash + my $profile_marker = $&; + print '--- ', $profile_marker, "\n"; + if (defined($main::collected_profile)) { + # if used with remote fetch, simply dump the collected profile to output. + open(SRC, "<$main::collected_profile"); + while () { + print $_; + } + close(SRC); + } else { + # dump a cpu-format profile to standard out + PrintProfileData($profile); + } +} + +# Print text output +sub PrintText { + my $symbols = shift; + my $flat = shift; + my $cumulative = shift; + my $line_limit = shift; + + my $total = TotalProfile($flat); + + # Which profile to sort by? + my $s = $main::opt_cum ? $cumulative : $flat; + + my $running_sum = 0; + my $lines = 0; + foreach my $k (sort { GetEntry($s, $b) <=> GetEntry($s, $a) || $a cmp $b } + keys(%{$cumulative})) { + my $f = GetEntry($flat, $k); + my $c = GetEntry($cumulative, $k); + $running_sum += $f; + + my $sym = $k; + if (exists($symbols->{$k})) { + $sym = $symbols->{$k}->[0] . " " . $symbols->{$k}->[1]; + if ($main::opt_addresses) { + $sym = $k . " " . $sym; + } + } + + if ($f != 0 || $c != 0) { + printf("%8s %6s %6s %8s %6s %s\n", + Unparse($f), + Percent($f, $total), + Percent($running_sum, $total), + Unparse($c), + Percent($c, $total), + $sym); + } + $lines++; + last if ($line_limit >= 0 && $lines >= $line_limit); + } +} + +# Callgrind format has a compression for repeated function and file +# names. You show the name the first time, and just use its number +# subsequently. This can cut down the file to about a third or a +# quarter of its uncompressed size. $key and $val are the key/value +# pair that would normally be printed by callgrind; $map is a map from +# value to number. +sub CompressedCGName { + my($key, $val, $map) = @_; + my $idx = $map->{$val}; + # For very short keys, providing an index hurts rather than helps. + if (length($val) <= 3) { + return "$key=$val\n"; + } elsif (defined($idx)) { + return "$key=($idx)\n"; + } else { + # scalar(keys $map) gives the number of items in the map. + $idx = scalar(keys(%{$map})) + 1; + $map->{$val} = $idx; + return "$key=($idx) $val\n"; + } +} + +# Print the call graph in a way that's suiteable for callgrind. +sub PrintCallgrind { + my $calls = shift; + my $filename; + my %filename_to_index_map; + my %fnname_to_index_map; + + if ($main::opt_interactive) { + $filename = shift; + print STDERR "Writing callgrind file to '$filename'.\n" + } else { + $filename = "&STDOUT"; + } + open(CG, ">$filename"); + printf CG ("events: Hits\n\n"); + foreach my $call ( map { $_->[0] } + sort { $a->[1] cmp $b ->[1] || + $a->[2] <=> $b->[2] } + map { /([^:]+):(\d+):([^ ]+)( -> ([^:]+):(\d+):(.+))?/; + [$_, $1, $2] } + keys %$calls ) { + my $count = int($calls->{$call}); + $call =~ /([^:]+):(\d+):([^ ]+)( -> ([^:]+):(\d+):(.+))?/; + my ( $caller_file, $caller_line, $caller_function, + $callee_file, $callee_line, $callee_function ) = + ( $1, $2, $3, $5, $6, $7 ); + + # TODO(csilvers): for better compression, collect all the + # caller/callee_files and functions first, before printing + # anything, and only compress those referenced more than once. + printf CG CompressedCGName("fl", $caller_file, \%filename_to_index_map); + printf CG CompressedCGName("fn", $caller_function, \%fnname_to_index_map); + if (defined $6) { + printf CG CompressedCGName("cfl", $callee_file, \%filename_to_index_map); + printf CG CompressedCGName("cfn", $callee_function, \%fnname_to_index_map); + printf CG ("calls=$count $callee_line\n"); + } + printf CG ("$caller_line $count\n\n"); + } +} + +# Print disassembly for all all routines that match $main::opt_disasm +sub PrintDisassembly { + my $libs = shift; + my $flat = shift; + my $cumulative = shift; + my $disasm_opts = shift; + + my $total = TotalProfile($flat); + + foreach my $lib (@{$libs}) { + my $symbol_table = GetProcedureBoundaries($lib->[0], $disasm_opts); + my $offset = AddressSub($lib->[1], $lib->[3]); + foreach my $routine (sort ByName keys(%{$symbol_table})) { + my $start_addr = $symbol_table->{$routine}->[0]; + my $end_addr = $symbol_table->{$routine}->[1]; + # See if there are any samples in this routine + my $length = hex(AddressSub($end_addr, $start_addr)); + my $addr = AddressAdd($start_addr, $offset); + for (my $i = 0; $i < $length; $i++) { + if (defined($cumulative->{$addr})) { + PrintDisassembledFunction($lib->[0], $offset, + $routine, $flat, $cumulative, + $start_addr, $end_addr, $total); + last; + } + $addr = AddressInc($addr); + } + } + } +} + +# Return reference to array of tuples of the form: +# [start_address, filename, linenumber, instruction, limit_address] +# E.g., +# ["0x806c43d", "/foo/bar.cc", 131, "ret", "0x806c440"] +sub Disassemble { + my $prog = shift; + my $offset = shift; + my $start_addr = shift; + my $end_addr = shift; + + my $objdump = $obj_tool_map{"objdump"}; + my $cmd = ShellEscape($objdump, "-C", "-d", "-l", "--no-show-raw-insn", + "--start-address=0x$start_addr", + "--stop-address=0x$end_addr", $prog); + open(OBJDUMP, "$cmd |") || error("$cmd: $!\n"); + my @result = (); + my $filename = ""; + my $linenumber = -1; + my $last = ["", "", "", ""]; + while () { + s/\r//g; # turn windows-looking lines into unix-looking lines + chop; + if (m|\s*([^:\s]+):(\d+)\s*$|) { + # Location line of the form: + # : + $filename = $1; + $linenumber = $2; + } elsif (m/^ +([0-9a-f]+):\s*(.*)/) { + # Disassembly line -- zero-extend address to full length + my $addr = HexExtend($1); + my $k = AddressAdd($addr, $offset); + $last->[4] = $k; # Store ending address for previous instruction + $last = [$k, $filename, $linenumber, $2, $end_addr]; + push(@result, $last); + } + } + close(OBJDUMP); + return @result; +} + +# The input file should contain lines of the form /proc/maps-like +# output (same format as expected from the profiles) or that looks +# like hex addresses (like "0xDEADBEEF"). We will parse all +# /proc/maps output, and for all the hex addresses, we will output +# "short" symbol names, one per line, in the same order as the input. +sub PrintSymbols { + my $maps_and_symbols_file = shift; + + # ParseLibraries expects pcs to be in a set. Fine by us... + my @pclist = (); # pcs in sorted order + my $pcs = {}; + my $map = ""; + foreach my $line (<$maps_and_symbols_file>) { + $line =~ s/\r//g; # turn windows-looking lines into unix-looking lines + if ($line =~ /\b(0x[0-9a-f]+)\b/i) { + push(@pclist, HexExtend($1)); + $pcs->{$pclist[-1]} = 1; + } else { + $map .= $line; + } + } + + my $libs = ParseLibraries($main::prog, $map, $pcs); + my $symbols = ExtractSymbols($libs, $pcs); + + foreach my $pc (@pclist) { + # ->[0] is the shortname, ->[2] is the full name + print(($symbols->{$pc}->[0] || "??") . "\n"); + } +} + + +# For sorting functions by name +sub ByName { + return ShortFunctionName($a) cmp ShortFunctionName($b); +} + +# Print source-listing for all all routines that match $list_opts +sub PrintListing { + my $total = shift; + my $libs = shift; + my $flat = shift; + my $cumulative = shift; + my $list_opts = shift; + my $html = shift; + + my $output = \*STDOUT; + my $fname = ""; + + if ($html) { + # Arrange to write the output to a temporary file + $fname = TempName($main::next_tmpfile, "html"); + $main::next_tmpfile++; + if (!open(TEMP, ">$fname")) { + print STDERR "$fname: $!\n"; + return; + } + $output = \*TEMP; + print $output HtmlListingHeader(); + printf $output ("
%s
Total: %s %s
\n", + $main::prog, Unparse($total), Units()); + } + + my $listed = 0; + foreach my $lib (@{$libs}) { + my $symbol_table = GetProcedureBoundaries($lib->[0], $list_opts); + my $offset = AddressSub($lib->[1], $lib->[3]); + foreach my $routine (sort ByName keys(%{$symbol_table})) { + # Print if there are any samples in this routine + my $start_addr = $symbol_table->{$routine}->[0]; + my $end_addr = $symbol_table->{$routine}->[1]; + my $length = hex(AddressSub($end_addr, $start_addr)); + my $addr = AddressAdd($start_addr, $offset); + for (my $i = 0; $i < $length; $i++) { + if (defined($cumulative->{$addr})) { + $listed += PrintSource( + $lib->[0], $offset, + $routine, $flat, $cumulative, + $start_addr, $end_addr, + $html, + $output); + last; + } + $addr = AddressInc($addr); + } + } + } + + if ($html) { + if ($listed > 0) { + print $output HtmlListingFooter(); + close($output); + RunWeb($fname); + } else { + close($output); + unlink($fname); + } + } +} + +sub HtmlListingHeader { + return <<'EOF'; + + + +Pprof listing + + + + +EOF +} + +sub HtmlListingFooter { + return <<'EOF'; + + +EOF +} + +sub HtmlEscape { + my $text = shift; + $text =~ s/&/&/g; + $text =~ s//>/g; + return $text; +} + +# Returns the indentation of the line, if it has any non-whitespace +# characters. Otherwise, returns -1. +sub Indentation { + my $line = shift; + if (m/^(\s*)\S/) { + return length($1); + } else { + return -1; + } +} + +# If the symbol table contains inlining info, Disassemble() may tag an +# instruction with a location inside an inlined function. But for +# source listings, we prefer to use the location in the function we +# are listing. So use MapToSymbols() to fetch full location +# information for each instruction and then pick out the first +# location from a location list (location list contains callers before +# callees in case of inlining). +# +# After this routine has run, each entry in $instructions contains: +# [0] start address +# [1] filename for function we are listing +# [2] line number for function we are listing +# [3] disassembly +# [4] limit address +# [5] most specific filename (may be different from [1] due to inlining) +# [6] most specific line number (may be different from [2] due to inlining) +sub GetTopLevelLineNumbers { + my ($lib, $offset, $instructions) = @_; + my $pcs = []; + for (my $i = 0; $i <= $#{$instructions}; $i++) { + push(@{$pcs}, $instructions->[$i]->[0]); + } + my $symbols = {}; + MapToSymbols($lib, $offset, $pcs, $symbols); + for (my $i = 0; $i <= $#{$instructions}; $i++) { + my $e = $instructions->[$i]; + push(@{$e}, $e->[1]); + push(@{$e}, $e->[2]); + my $addr = $e->[0]; + my $sym = $symbols->{$addr}; + if (defined($sym)) { + if ($#{$sym} >= 2 && $sym->[1] =~ m/^(.*):(\d+)$/) { + $e->[1] = $1; # File name + $e->[2] = $2; # Line number + } + } + } +} + +# Print source-listing for one routine +sub PrintSource { + my $prog = shift; + my $offset = shift; + my $routine = shift; + my $flat = shift; + my $cumulative = shift; + my $start_addr = shift; + my $end_addr = shift; + my $html = shift; + my $output = shift; + + # Disassemble all instructions (just to get line numbers) + my @instructions = Disassemble($prog, $offset, $start_addr, $end_addr); + GetTopLevelLineNumbers($prog, $offset, \@instructions); + + # Hack 1: assume that the first source file encountered in the + # disassembly contains the routine + my $filename = undef; + for (my $i = 0; $i <= $#instructions; $i++) { + if ($instructions[$i]->[2] >= 0) { + $filename = $instructions[$i]->[1]; + last; + } + } + if (!defined($filename)) { + print STDERR "no filename found in $routine\n"; + return 0; + } + + # Hack 2: assume that the largest line number from $filename is the + # end of the procedure. This is typically safe since if P1 contains + # an inlined call to P2, then P2 usually occurs earlier in the + # source file. If this does not work, we might have to compute a + # density profile or just print all regions we find. + my $lastline = 0; + for (my $i = 0; $i <= $#instructions; $i++) { + my $f = $instructions[$i]->[1]; + my $l = $instructions[$i]->[2]; + if (($f eq $filename) && ($l > $lastline)) { + $lastline = $l; + } + } + + # Hack 3: assume the first source location from "filename" is the start of + # the source code. + my $firstline = 1; + for (my $i = 0; $i <= $#instructions; $i++) { + if ($instructions[$i]->[1] eq $filename) { + $firstline = $instructions[$i]->[2]; + last; + } + } + + # Hack 4: Extend last line forward until its indentation is less than + # the indentation we saw on $firstline + my $oldlastline = $lastline; + { + if (!open(FILE, "<$filename")) { + print STDERR "$filename: $!\n"; + return 0; + } + my $l = 0; + my $first_indentation = -1; + while () { + s/\r//g; # turn windows-looking lines into unix-looking lines + $l++; + my $indent = Indentation($_); + if ($l >= $firstline) { + if ($first_indentation < 0 && $indent >= 0) { + $first_indentation = $indent; + last if ($first_indentation == 0); + } + } + if ($l >= $lastline && $indent >= 0) { + if ($indent >= $first_indentation) { + $lastline = $l+1; + } else { + last; + } + } + } + close(FILE); + } + + # Assign all samples to the range $firstline,$lastline, + # Hack 4: If an instruction does not occur in the range, its samples + # are moved to the next instruction that occurs in the range. + my $samples1 = {}; # Map from line number to flat count + my $samples2 = {}; # Map from line number to cumulative count + my $running1 = 0; # Unassigned flat counts + my $running2 = 0; # Unassigned cumulative counts + my $total1 = 0; # Total flat counts + my $total2 = 0; # Total cumulative counts + my %disasm = (); # Map from line number to disassembly + my $running_disasm = ""; # Unassigned disassembly + my $skip_marker = "---\n"; + if ($html) { + $skip_marker = ""; + for (my $l = $firstline; $l <= $lastline; $l++) { + $disasm{$l} = ""; + } + } + my $last_dis_filename = ''; + my $last_dis_linenum = -1; + my $last_touched_line = -1; # To detect gaps in disassembly for a line + foreach my $e (@instructions) { + # Add up counts for all address that fall inside this instruction + my $c1 = 0; + my $c2 = 0; + for (my $a = $e->[0]; $a lt $e->[4]; $a = AddressInc($a)) { + $c1 += GetEntry($flat, $a); + $c2 += GetEntry($cumulative, $a); + } + + if ($html) { + my $dis = sprintf(" %6s %6s \t\t%8s: %s ", + HtmlPrintNumber($c1), + HtmlPrintNumber($c2), + UnparseAddress($offset, $e->[0]), + CleanDisassembly($e->[3])); + + # Append the most specific source line associated with this instruction + if (length($dis) < 80) { $dis .= (' ' x (80 - length($dis))) }; + $dis = HtmlEscape($dis); + my $f = $e->[5]; + my $l = $e->[6]; + if ($f ne $last_dis_filename) { + $dis .= sprintf("%s:%d", + HtmlEscape(CleanFileName($f)), $l); + } elsif ($l ne $last_dis_linenum) { + # De-emphasize the unchanged file name portion + $dis .= sprintf("%s" . + ":%d", + HtmlEscape(CleanFileName($f)), $l); + } else { + # De-emphasize the entire location + $dis .= sprintf("%s:%d", + HtmlEscape(CleanFileName($f)), $l); + } + $last_dis_filename = $f; + $last_dis_linenum = $l; + $running_disasm .= $dis; + $running_disasm .= "\n"; + } + + $running1 += $c1; + $running2 += $c2; + $total1 += $c1; + $total2 += $c2; + my $file = $e->[1]; + my $line = $e->[2]; + if (($file eq $filename) && + ($line >= $firstline) && + ($line <= $lastline)) { + # Assign all accumulated samples to this line + AddEntry($samples1, $line, $running1); + AddEntry($samples2, $line, $running2); + $running1 = 0; + $running2 = 0; + if ($html) { + if ($line != $last_touched_line && $disasm{$line} ne '') { + $disasm{$line} .= "\n"; + } + $disasm{$line} .= $running_disasm; + $running_disasm = ''; + $last_touched_line = $line; + } + } + } + + # Assign any leftover samples to $lastline + AddEntry($samples1, $lastline, $running1); + AddEntry($samples2, $lastline, $running2); + if ($html) { + if ($lastline != $last_touched_line && $disasm{$lastline} ne '') { + $disasm{$lastline} .= "\n"; + } + $disasm{$lastline} .= $running_disasm; + } + + if ($html) { + printf $output ( + "

%s

%s\n
\n" .
+      "Total:%6s %6s (flat / cumulative %s)\n",
+      HtmlEscape(ShortFunctionName($routine)),
+      HtmlEscape(CleanFileName($filename)),
+      Unparse($total1),
+      Unparse($total2),
+      Units());
+  } else {
+    printf $output (
+      "ROUTINE ====================== %s in %s\n" .
+      "%6s %6s Total %s (flat / cumulative)\n",
+      ShortFunctionName($routine),
+      CleanFileName($filename),
+      Unparse($total1),
+      Unparse($total2),
+      Units());
+  }
+  if (!open(FILE, "<$filename")) {
+    print STDERR "$filename: $!\n";
+    return 0;
+  }
+  my $l = 0;
+  while () {
+    s/\r//g;         # turn windows-looking lines into unix-looking lines
+    $l++;
+    if ($l >= $firstline - 5 &&
+        (($l <= $oldlastline + 5) || ($l <= $lastline))) {
+      chop;
+      my $text = $_;
+      if ($l == $firstline) { print $output $skip_marker; }
+      my $n1 = GetEntry($samples1, $l);
+      my $n2 = GetEntry($samples2, $l);
+      if ($html) {
+        # Emit a span that has one of the following classes:
+        #    livesrc -- has samples
+        #    deadsrc -- has disassembly, but with no samples
+        #    nop     -- has no matching disasembly
+        # Also emit an optional span containing disassembly.
+        my $dis = $disasm{$l};
+        my $asm = "";
+        if (defined($dis) && $dis ne '') {
+          $asm = "" . $dis . "";
+        }
+        my $source_class = (($n1 + $n2 > 0) 
+                            ? "livesrc" 
+                            : (($asm ne "") ? "deadsrc" : "nop"));
+        printf $output (
+          "%5d " .
+          "%6s %6s %s%s\n",
+          $l, $source_class,
+          HtmlPrintNumber($n1),
+          HtmlPrintNumber($n2),
+          HtmlEscape($text),
+          $asm);
+      } else {
+        printf $output(
+          "%6s %6s %4d: %s\n",
+          UnparseAlt($n1),
+          UnparseAlt($n2),
+          $l,
+          $text);
+      }
+      if ($l == $lastline)  { print $output $skip_marker; }
+    };
+  }
+  close(FILE);
+  if ($html) {
+    print $output "
\n"; + } + return 1; +} + +# Return the source line for the specified file/linenumber. +# Returns undef if not found. +sub SourceLine { + my $file = shift; + my $line = shift; + + # Look in cache + if (!defined($main::source_cache{$file})) { + if (100 < scalar keys(%main::source_cache)) { + # Clear the cache when it gets too big + $main::source_cache = (); + } + + # Read all lines from the file + if (!open(FILE, "<$file")) { + print STDERR "$file: $!\n"; + $main::source_cache{$file} = []; # Cache the negative result + return undef; + } + my $lines = []; + push(@{$lines}, ""); # So we can use 1-based line numbers as indices + while () { + push(@{$lines}, $_); + } + close(FILE); + + # Save the lines in the cache + $main::source_cache{$file} = $lines; + } + + my $lines = $main::source_cache{$file}; + if (($line < 0) || ($line > $#{$lines})) { + return undef; + } else { + return $lines->[$line]; + } +} + +# Print disassembly for one routine with interspersed source if available +sub PrintDisassembledFunction { + my $prog = shift; + my $offset = shift; + my $routine = shift; + my $flat = shift; + my $cumulative = shift; + my $start_addr = shift; + my $end_addr = shift; + my $total = shift; + + # Disassemble all instructions + my @instructions = Disassemble($prog, $offset, $start_addr, $end_addr); + + # Make array of counts per instruction + my @flat_count = (); + my @cum_count = (); + my $flat_total = 0; + my $cum_total = 0; + foreach my $e (@instructions) { + # Add up counts for all address that fall inside this instruction + my $c1 = 0; + my $c2 = 0; + for (my $a = $e->[0]; $a lt $e->[4]; $a = AddressInc($a)) { + $c1 += GetEntry($flat, $a); + $c2 += GetEntry($cumulative, $a); + } + push(@flat_count, $c1); + push(@cum_count, $c2); + $flat_total += $c1; + $cum_total += $c2; + } + + # Print header with total counts + printf("ROUTINE ====================== %s\n" . + "%6s %6s %s (flat, cumulative) %.1f%% of total\n", + ShortFunctionName($routine), + Unparse($flat_total), + Unparse($cum_total), + Units(), + ($cum_total * 100.0) / $total); + + # Process instructions in order + my $current_file = ""; + for (my $i = 0; $i <= $#instructions; ) { + my $e = $instructions[$i]; + + # Print the new file name whenever we switch files + if ($e->[1] ne $current_file) { + $current_file = $e->[1]; + my $fname = $current_file; + $fname =~ s|^\./||; # Trim leading "./" + + # Shorten long file names + if (length($fname) >= 58) { + $fname = "..." . substr($fname, -55); + } + printf("-------------------- %s\n", $fname); + } + + # TODO: Compute range of lines to print together to deal with + # small reorderings. + my $first_line = $e->[2]; + my $last_line = $first_line; + my %flat_sum = (); + my %cum_sum = (); + for (my $l = $first_line; $l <= $last_line; $l++) { + $flat_sum{$l} = 0; + $cum_sum{$l} = 0; + } + + # Find run of instructions for this range of source lines + my $first_inst = $i; + while (($i <= $#instructions) && + ($instructions[$i]->[2] >= $first_line) && + ($instructions[$i]->[2] <= $last_line)) { + $e = $instructions[$i]; + $flat_sum{$e->[2]} += $flat_count[$i]; + $cum_sum{$e->[2]} += $cum_count[$i]; + $i++; + } + my $last_inst = $i - 1; + + # Print source lines + for (my $l = $first_line; $l <= $last_line; $l++) { + my $line = SourceLine($current_file, $l); + if (!defined($line)) { + $line = "?\n"; + next; + } else { + $line =~ s/^\s+//; + } + printf("%6s %6s %5d: %s", + UnparseAlt($flat_sum{$l}), + UnparseAlt($cum_sum{$l}), + $l, + $line); + } + + # Print disassembly + for (my $x = $first_inst; $x <= $last_inst; $x++) { + my $e = $instructions[$x]; + printf("%6s %6s %8s: %6s\n", + UnparseAlt($flat_count[$x]), + UnparseAlt($cum_count[$x]), + UnparseAddress($offset, $e->[0]), + CleanDisassembly($e->[3])); + } + } +} + +# Print DOT graph +sub PrintDot { + my $prog = shift; + my $symbols = shift; + my $raw = shift; + my $flat = shift; + my $cumulative = shift; + my $overall_total = shift; + + # Get total + my $local_total = TotalProfile($flat); + my $nodelimit = int($main::opt_nodefraction * $local_total); + my $edgelimit = int($main::opt_edgefraction * $local_total); + my $nodecount = $main::opt_nodecount; + + # Find nodes to include + my @list = (sort { abs(GetEntry($cumulative, $b)) <=> + abs(GetEntry($cumulative, $a)) + || $a cmp $b } + keys(%{$cumulative})); + my $last = $nodecount - 1; + if ($last > $#list) { + $last = $#list; + } + while (($last >= 0) && + (abs(GetEntry($cumulative, $list[$last])) <= $nodelimit)) { + $last--; + } + if ($last < 0) { + print STDERR "No nodes to print\n"; + return 0; + } + + if ($nodelimit > 0 || $edgelimit > 0) { + printf STDERR ("Dropping nodes with <= %s %s; edges with <= %s abs(%s)\n", + Unparse($nodelimit), Units(), + Unparse($edgelimit), Units()); + } + + # Open DOT output file + my $output; + my $escaped_dot = ShellEscape(@DOT); + my $escaped_ps2pdf = ShellEscape(@PS2PDF); + if ($main::opt_gv) { + my $escaped_outfile = ShellEscape(TempName($main::next_tmpfile, "ps")); + $output = "| $escaped_dot -Tps2 >$escaped_outfile"; + } elsif ($main::opt_evince) { + my $escaped_outfile = ShellEscape(TempName($main::next_tmpfile, "pdf")); + $output = "| $escaped_dot -Tps2 | $escaped_ps2pdf - $escaped_outfile"; + } elsif ($main::opt_ps) { + $output = "| $escaped_dot -Tps2"; + } elsif ($main::opt_pdf) { + $output = "| $escaped_dot -Tps2 | $escaped_ps2pdf - -"; + } elsif ($main::opt_web || $main::opt_svg) { + # We need to post-process the SVG, so write to a temporary file always. + my $escaped_outfile = ShellEscape(TempName($main::next_tmpfile, "svg")); + $output = "| $escaped_dot -Tsvg >$escaped_outfile"; + } elsif ($main::opt_gif) { + $output = "| $escaped_dot -Tgif"; + } else { + $output = ">&STDOUT"; + } + open(DOT, $output) || error("$output: $!\n"); + + # Title + printf DOT ("digraph \"%s; %s %s\" {\n", + $prog, + Unparse($overall_total), + Units()); + if ($main::opt_pdf) { + # The output is more printable if we set the page size for dot. + printf DOT ("size=\"8,11\"\n"); + } + printf DOT ("node [width=0.375,height=0.25];\n"); + + # Print legend + printf DOT ("Legend [shape=box,fontsize=24,shape=plaintext," . + "label=\"%s\\l%s\\l%s\\l%s\\l%s\\l\"];\n", + $prog, + sprintf("Total %s: %s", Units(), Unparse($overall_total)), + sprintf("Focusing on: %s", Unparse($local_total)), + sprintf("Dropped nodes with <= %s abs(%s)", + Unparse($nodelimit), Units()), + sprintf("Dropped edges with <= %s %s", + Unparse($edgelimit), Units()) + ); + + # Print nodes + my %node = (); + my $nextnode = 1; + foreach my $a (@list[0..$last]) { + # Pick font size + my $f = GetEntry($flat, $a); + my $c = GetEntry($cumulative, $a); + + my $fs = 8; + if ($local_total > 0) { + $fs = 8 + (50.0 * sqrt(abs($f * 1.0 / $local_total))); + } + + $node{$a} = $nextnode++; + my $sym = $a; + $sym =~ s/\s+/\\n/g; + $sym =~ s/::/\\n/g; + + # Extra cumulative info to print for non-leaves + my $extra = ""; + if ($f != $c) { + $extra = sprintf("\\rof %s (%s)", + Unparse($c), + Percent($c, $local_total)); + } + my $style = ""; + if ($main::opt_heapcheck) { + if ($f > 0) { + # make leak-causing nodes more visible (add a background) + $style = ",style=filled,fillcolor=gray" + } elsif ($f < 0) { + # make anti-leak-causing nodes (which almost never occur) + # stand out as well (triple border) + $style = ",peripheries=3" + } + } + + printf DOT ("N%d [label=\"%s\\n%s (%s)%s\\r" . + "\",shape=box,fontsize=%.1f%s];\n", + $node{$a}, + $sym, + Unparse($f), + Percent($f, $local_total), + $extra, + $fs, + $style, + ); + } + + # Get edges and counts per edge + my %edge = (); + my $n; + my $fullname_to_shortname_map = {}; + FillFullnameToShortnameMap($symbols, $fullname_to_shortname_map); + foreach my $k (keys(%{$raw})) { + # TODO: omit low %age edges + $n = $raw->{$k}; + my @translated = TranslateStack($symbols, $fullname_to_shortname_map, $k); + for (my $i = 1; $i <= $#translated; $i++) { + my $src = $translated[$i]; + my $dst = $translated[$i-1]; + #next if ($src eq $dst); # Avoid self-edges? + if (exists($node{$src}) && exists($node{$dst})) { + my $edge_label = "$src\001$dst"; + if (!exists($edge{$edge_label})) { + $edge{$edge_label} = 0; + } + $edge{$edge_label} += $n; + } + } + } + + # Print edges (process in order of decreasing counts) + my %indegree = (); # Number of incoming edges added per node so far + my %outdegree = (); # Number of outgoing edges added per node so far + foreach my $e (sort { $edge{$b} <=> $edge{$a} } keys(%edge)) { + my @x = split(/\001/, $e); + $n = $edge{$e}; + + # Initialize degree of kept incoming and outgoing edges if necessary + my $src = $x[0]; + my $dst = $x[1]; + if (!exists($outdegree{$src})) { $outdegree{$src} = 0; } + if (!exists($indegree{$dst})) { $indegree{$dst} = 0; } + + my $keep; + if ($indegree{$dst} == 0) { + # Keep edge if needed for reachability + $keep = 1; + } elsif (abs($n) <= $edgelimit) { + # Drop if we are below --edgefraction + $keep = 0; + } elsif ($outdegree{$src} >= $main::opt_maxdegree || + $indegree{$dst} >= $main::opt_maxdegree) { + # Keep limited number of in/out edges per node + $keep = 0; + } else { + $keep = 1; + } + + if ($keep) { + $outdegree{$src}++; + $indegree{$dst}++; + + # Compute line width based on edge count + my $fraction = abs($local_total ? (3 * ($n / $local_total)) : 0); + if ($fraction > 1) { $fraction = 1; } + my $w = $fraction * 2; + if ($w < 1 && ($main::opt_web || $main::opt_svg)) { + # SVG output treats line widths < 1 poorly. + $w = 1; + } + + # Dot sometimes segfaults if given edge weights that are too large, so + # we cap the weights at a large value + my $edgeweight = abs($n) ** 0.7; + if ($edgeweight > 100000) { $edgeweight = 100000; } + $edgeweight = int($edgeweight); + + my $style = sprintf("setlinewidth(%f)", $w); + if ($x[1] =~ m/\(inline\)/) { + $style .= ",dashed"; + } + + # Use a slightly squashed function of the edge count as the weight + printf DOT ("N%s -> N%s [label=%s, weight=%d, style=\"%s\"];\n", + $node{$x[0]}, + $node{$x[1]}, + Unparse($n), + $edgeweight, + $style); + } + } + + print DOT ("}\n"); + close(DOT); + + if ($main::opt_web || $main::opt_svg) { + # Rewrite SVG to be more usable inside web browser. + RewriteSvg(TempName($main::next_tmpfile, "svg")); + } + + return 1; +} + +sub RewriteSvg { + my $svgfile = shift; + + open(SVG, $svgfile) || die "open temp svg: $!"; + my @svg = ; + close(SVG); + unlink $svgfile; + my $svg = join('', @svg); + + # Dot's SVG output is + # + # + # + # ... + # + # + # + # Change it to + # + # + # $svg_javascript + # + # + # ... + # + # + # + + # Fix width, height; drop viewBox. + $svg =~ s/(?s) above first + my $svg_javascript = SvgJavascript(); + my $viewport = "\n"; + $svg =~ s/ above . + $svg =~ s/(.*)(<\/svg>)/$1<\/g>$2/; + $svg =~ s/$svgfile") || die "open $svgfile: $!"; + print SVG $svg; + close(SVG); + } +} + +sub SvgJavascript { + return <<'EOF'; + +EOF +} + +# Provides a map from fullname to shortname for cases where the +# shortname is ambiguous. The symlist has both the fullname and +# shortname for all symbols, which is usually fine, but sometimes -- +# such as overloaded functions -- two different fullnames can map to +# the same shortname. In that case, we use the address of the +# function to disambiguate the two. This function fills in a map that +# maps fullnames to modified shortnames in such cases. If a fullname +# is not present in the map, the 'normal' shortname provided by the +# symlist is the appropriate one to use. +sub FillFullnameToShortnameMap { + my $symbols = shift; + my $fullname_to_shortname_map = shift; + my $shortnames_seen_once = {}; + my $shortnames_seen_more_than_once = {}; + + foreach my $symlist (values(%{$symbols})) { + # TODO(csilvers): deal with inlined symbols too. + my $shortname = $symlist->[0]; + my $fullname = $symlist->[2]; + if ($fullname !~ /<[0-9a-fA-F]+>$/) { # fullname doesn't end in an address + next; # the only collisions we care about are when addresses differ + } + if (defined($shortnames_seen_once->{$shortname}) && + $shortnames_seen_once->{$shortname} ne $fullname) { + $shortnames_seen_more_than_once->{$shortname} = 1; + } else { + $shortnames_seen_once->{$shortname} = $fullname; + } + } + + foreach my $symlist (values(%{$symbols})) { + my $shortname = $symlist->[0]; + my $fullname = $symlist->[2]; + # TODO(csilvers): take in a list of addresses we care about, and only + # store in the map if $symlist->[1] is in that list. Saves space. + next if defined($fullname_to_shortname_map->{$fullname}); + if (defined($shortnames_seen_more_than_once->{$shortname})) { + if ($fullname =~ /<0*([^>]*)>$/) { # fullname has address at end of it + $fullname_to_shortname_map->{$fullname} = "$shortname\@$1"; + } + } + } +} + +# Return a small number that identifies the argument. +# Multiple calls with the same argument will return the same number. +# Calls with different arguments will return different numbers. +sub ShortIdFor { + my $key = shift; + my $id = $main::uniqueid{$key}; + if (!defined($id)) { + $id = keys(%main::uniqueid) + 1; + $main::uniqueid{$key} = $id; + } + return $id; +} + +# Translate a stack of addresses into a stack of symbols +sub TranslateStack { + my $symbols = shift; + my $fullname_to_shortname_map = shift; + my $k = shift; + + my @addrs = split(/\n/, $k); + my @result = (); + for (my $i = 0; $i <= $#addrs; $i++) { + my $a = $addrs[$i]; + + # Skip large addresses since they sometimes show up as fake entries on RH9 + if (length($a) > 8 && $a gt "7fffffffffffffff") { + next; + } + + if ($main::opt_disasm || $main::opt_list) { + # We want just the address for the key + push(@result, $a); + next; + } + + my $symlist = $symbols->{$a}; + if (!defined($symlist)) { + $symlist = [$a, "", $a]; + } + + # We can have a sequence of symbols for a particular entry + # (more than one symbol in the case of inlining). Callers + # come before callees in symlist, so walk backwards since + # the translated stack should contain callees before callers. + for (my $j = $#{$symlist}; $j >= 2; $j -= 3) { + my $func = $symlist->[$j-2]; + my $fileline = $symlist->[$j-1]; + my $fullfunc = $symlist->[$j]; + if (defined($fullname_to_shortname_map->{$fullfunc})) { + $func = $fullname_to_shortname_map->{$fullfunc}; + } + if ($j > 2) { + $func = "$func (inline)"; + } + + # Do not merge nodes corresponding to Callback::Run since that + # causes confusing cycles in dot display. Instead, we synthesize + # a unique name for this frame per caller. + if ($func =~ m/Callback.*::Run$/) { + my $caller = ($i > 0) ? $addrs[$i-1] : 0; + $func = "Run#" . ShortIdFor($caller); + } + + if ($main::opt_addresses) { + push(@result, "$a $func $fileline"); + } elsif ($main::opt_lines) { + if ($func eq '??' && $fileline eq '??:0') { + push(@result, "$a"); + } else { + push(@result, "$func $fileline"); + } + } elsif ($main::opt_functions) { + if ($func eq '??') { + push(@result, "$a"); + } else { + push(@result, $func); + } + } elsif ($main::opt_files) { + if ($fileline eq '??:0' || $fileline eq '') { + push(@result, "$a"); + } else { + my $f = $fileline; + $f =~ s/:\d+$//; + push(@result, $f); + } + } else { + push(@result, $a); + last; # Do not print inlined info + } + } + } + + # print join(",", @addrs), " => ", join(",", @result), "\n"; + return @result; +} + +# Generate percent string for a number and a total +sub Percent { + my $num = shift; + my $tot = shift; + if ($tot != 0) { + return sprintf("%.1f%%", $num * 100.0 / $tot); + } else { + return ($num == 0) ? "nan" : (($num > 0) ? "+inf" : "-inf"); + } +} + +# Generate pretty-printed form of number +sub Unparse { + my $num = shift; + if ($main::profile_type eq 'heap' || $main::profile_type eq 'growth') { + if ($main::opt_inuse_objects || $main::opt_alloc_objects) { + return sprintf("%d", $num); + } else { + if ($main::opt_show_bytes) { + return sprintf("%d", $num); + } else { + return sprintf("%.1f", $num / 1048576.0); + } + } + } elsif ($main::profile_type eq 'contention' && !$main::opt_contentions) { + return sprintf("%.3f", $num / 1e9); # Convert nanoseconds to seconds + } else { + return sprintf("%d", $num); + } +} + +# Alternate pretty-printed form: 0 maps to "." +sub UnparseAlt { + my $num = shift; + if ($num == 0) { + return "."; + } else { + return Unparse($num); + } +} + +# Alternate pretty-printed form: 0 maps to "" +sub HtmlPrintNumber { + my $num = shift; + if ($num == 0) { + return ""; + } else { + return Unparse($num); + } +} + +# Return output units +sub Units { + if ($main::profile_type eq 'heap' || $main::profile_type eq 'growth') { + if ($main::opt_inuse_objects || $main::opt_alloc_objects) { + return "objects"; + } else { + if ($main::opt_show_bytes) { + return "B"; + } else { + return "MB"; + } + } + } elsif ($main::profile_type eq 'contention' && !$main::opt_contentions) { + return "seconds"; + } else { + return "samples"; + } +} + +##### Profile manipulation code ##### + +# Generate flattened profile: +# If count is charged to stack [a,b,c,d], in generated profile, +# it will be charged to [a] +sub FlatProfile { + my $profile = shift; + my $result = {}; + foreach my $k (keys(%{$profile})) { + my $count = $profile->{$k}; + my @addrs = split(/\n/, $k); + if ($#addrs >= 0) { + AddEntry($result, $addrs[0], $count); + } + } + return $result; +} + +# Generate cumulative profile: +# If count is charged to stack [a,b,c,d], in generated profile, +# it will be charged to [a], [b], [c], [d] +sub CumulativeProfile { + my $profile = shift; + my $result = {}; + foreach my $k (keys(%{$profile})) { + my $count = $profile->{$k}; + my @addrs = split(/\n/, $k); + foreach my $a (@addrs) { + AddEntry($result, $a, $count); + } + } + return $result; +} + +# If the second-youngest PC on the stack is always the same, returns +# that pc. Otherwise, returns undef. +sub IsSecondPcAlwaysTheSame { + my $profile = shift; + + my $second_pc = undef; + foreach my $k (keys(%{$profile})) { + my @addrs = split(/\n/, $k); + if ($#addrs < 1) { + return undef; + } + if (not defined $second_pc) { + $second_pc = $addrs[1]; + } else { + if ($second_pc ne $addrs[1]) { + return undef; + } + } + } + return $second_pc; +} + +sub ExtractSymbolLocation { + my $symbols = shift; + my $address = shift; + # 'addr2line' outputs "??:0" for unknown locations; we do the + # same to be consistent. + my $location = "??:0:unknown"; + if (exists $symbols->{$address}) { + my $file = $symbols->{$address}->[1]; + if ($file eq "?") { + $file = "??:0" + } + $location = $file . ":" . $symbols->{$address}->[0]; + } + return $location; +} + +# Extracts a graph of calls. +sub ExtractCalls { + my $symbols = shift; + my $profile = shift; + + my $calls = {}; + while( my ($stack_trace, $count) = each %$profile ) { + my @address = split(/\n/, $stack_trace); + my $destination = ExtractSymbolLocation($symbols, $address[0]); + AddEntry($calls, $destination, $count); + for (my $i = 1; $i <= $#address; $i++) { + my $source = ExtractSymbolLocation($symbols, $address[$i]); + my $call = "$source -> $destination"; + AddEntry($calls, $call, $count); + $destination = $source; + } + } + + return $calls; +} + +sub RemoveUninterestingFrames { + my $symbols = shift; + my $profile = shift; + + # List of function names to skip + my %skip = (); + my $skip_regexp = 'NOMATCH'; + if ($main::profile_type eq 'heap' || $main::profile_type eq 'growth') { + foreach my $name ('calloc', + 'cfree', + 'malloc', + 'free', + 'memalign', + 'posix_memalign', + 'pvalloc', + 'valloc', + 'realloc', + 'tc_calloc', + 'tc_cfree', + 'tc_malloc', + 'tc_free', + 'tc_memalign', + 'tc_posix_memalign', + 'tc_pvalloc', + 'tc_valloc', + 'tc_realloc', + 'tc_new', + 'tc_delete', + 'tc_newarray', + 'tc_deletearray', + 'tc_new_nothrow', + 'tc_newarray_nothrow', + 'do_malloc', + '::do_malloc', # new name -- got moved to an unnamed ns + '::do_malloc_or_cpp_alloc', + 'DoSampledAllocation', + 'simple_alloc::allocate', + '__malloc_alloc_template::allocate', + '__builtin_delete', + '__builtin_new', + '__builtin_vec_delete', + '__builtin_vec_new', + 'operator new', + 'operator new[]', + # The entry to our memory-allocation routines on OS X + 'malloc_zone_malloc', + 'malloc_zone_calloc', + 'malloc_zone_valloc', + 'malloc_zone_realloc', + 'malloc_zone_memalign', + 'malloc_zone_free', + # These mark the beginning/end of our custom sections + '__start_google_malloc', + '__stop_google_malloc', + '__start_malloc_hook', + '__stop_malloc_hook') { + $skip{$name} = 1; + $skip{"_" . $name} = 1; # Mach (OS X) adds a _ prefix to everything + } + # TODO: Remove TCMalloc once everything has been + # moved into the tcmalloc:: namespace and we have flushed + # old code out of the system. + $skip_regexp = "TCMalloc|^tcmalloc::"; + } elsif ($main::profile_type eq 'contention') { + foreach my $vname ('base::RecordLockProfileData', + 'base::SubmitMutexProfileData', + 'base::SubmitSpinLockProfileData', + 'Mutex::Unlock', + 'Mutex::UnlockSlow', + 'Mutex::ReaderUnlock', + 'MutexLock::~MutexLock', + 'SpinLock::Unlock', + 'SpinLock::SlowUnlock', + 'SpinLockHolder::~SpinLockHolder') { + $skip{$vname} = 1; + } + } elsif ($main::profile_type eq 'cpu') { + # Drop signal handlers used for CPU profile collection + # TODO(dpeng): this should not be necessary; it's taken + # care of by the general 2nd-pc mechanism below. + foreach my $name ('ProfileData::Add', # historical + 'ProfileData::prof_handler', # historical + 'CpuProfiler::prof_handler', + '__FRAME_END__', + '__pthread_sighandler', + '__restore') { + $skip{$name} = 1; + } + } else { + # Nothing skipped for unknown types + } + + if ($main::profile_type eq 'cpu') { + # If all the second-youngest program counters are the same, + # this STRONGLY suggests that it is an artifact of measurement, + # i.e., stack frames pushed by the CPU profiler signal handler. + # Hence, we delete them. + # (The topmost PC is read from the signal structure, not from + # the stack, so it does not get involved.) + while (my $second_pc = IsSecondPcAlwaysTheSame($profile)) { + my $result = {}; + my $func = ''; + if (exists($symbols->{$second_pc})) { + $second_pc = $symbols->{$second_pc}->[0]; + } + print STDERR "Removing $second_pc from all stack traces.\n"; + foreach my $k (keys(%{$profile})) { + my $count = $profile->{$k}; + my @addrs = split(/\n/, $k); + splice @addrs, 1, 1; + my $reduced_path = join("\n", @addrs); + AddEntry($result, $reduced_path, $count); + } + $profile = $result; + } + } + + my $result = {}; + foreach my $k (keys(%{$profile})) { + my $count = $profile->{$k}; + my @addrs = split(/\n/, $k); + my @path = (); + foreach my $a (@addrs) { + if (exists($symbols->{$a})) { + my $func = $symbols->{$a}->[0]; + if ($skip{$func} || ($func =~ m/$skip_regexp/)) { + next; + } + } + push(@path, $a); + } + my $reduced_path = join("\n", @path); + AddEntry($result, $reduced_path, $count); + } + return $result; +} + +# Reduce profile to granularity given by user +sub ReduceProfile { + my $symbols = shift; + my $profile = shift; + my $result = {}; + my $fullname_to_shortname_map = {}; + FillFullnameToShortnameMap($symbols, $fullname_to_shortname_map); + foreach my $k (keys(%{$profile})) { + my $count = $profile->{$k}; + my @translated = TranslateStack($symbols, $fullname_to_shortname_map, $k); + my @path = (); + my %seen = (); + $seen{''} = 1; # So that empty keys are skipped + foreach my $e (@translated) { + # To avoid double-counting due to recursion, skip a stack-trace + # entry if it has already been seen + if (!$seen{$e}) { + $seen{$e} = 1; + push(@path, $e); + } + } + my $reduced_path = join("\n", @path); + AddEntry($result, $reduced_path, $count); + } + return $result; +} + +# Does the specified symbol array match the regexp? +sub SymbolMatches { + my $sym = shift; + my $re = shift; + if (defined($sym)) { + for (my $i = 0; $i < $#{$sym}; $i += 3) { + if ($sym->[$i] =~ m/$re/ || $sym->[$i+1] =~ m/$re/) { + return 1; + } + } + } + return 0; +} + +# Focus only on paths involving specified regexps +sub FocusProfile { + my $symbols = shift; + my $profile = shift; + my $focus = shift; + my $result = {}; + foreach my $k (keys(%{$profile})) { + my $count = $profile->{$k}; + my @addrs = split(/\n/, $k); + foreach my $a (@addrs) { + # Reply if it matches either the address/shortname/fileline + if (($a =~ m/$focus/) || SymbolMatches($symbols->{$a}, $focus)) { + AddEntry($result, $k, $count); + last; + } + } + } + return $result; +} + +# Focus only on paths not involving specified regexps +sub IgnoreProfile { + my $symbols = shift; + my $profile = shift; + my $ignore = shift; + my $result = {}; + foreach my $k (keys(%{$profile})) { + my $count = $profile->{$k}; + my @addrs = split(/\n/, $k); + my $matched = 0; + foreach my $a (@addrs) { + # Reply if it matches either the address/shortname/fileline + if (($a =~ m/$ignore/) || SymbolMatches($symbols->{$a}, $ignore)) { + $matched = 1; + last; + } + } + if (!$matched) { + AddEntry($result, $k, $count); + } + } + return $result; +} + +# Get total count in profile +sub TotalProfile { + my $profile = shift; + my $result = 0; + foreach my $k (keys(%{$profile})) { + $result += $profile->{$k}; + } + return $result; +} + +# Add A to B +sub AddProfile { + my $A = shift; + my $B = shift; + + my $R = {}; + # add all keys in A + foreach my $k (keys(%{$A})) { + my $v = $A->{$k}; + AddEntry($R, $k, $v); + } + # add all keys in B + foreach my $k (keys(%{$B})) { + my $v = $B->{$k}; + AddEntry($R, $k, $v); + } + return $R; +} + +# Merges symbol maps +sub MergeSymbols { + my $A = shift; + my $B = shift; + + my $R = {}; + foreach my $k (keys(%{$A})) { + $R->{$k} = $A->{$k}; + } + if (defined($B)) { + foreach my $k (keys(%{$B})) { + $R->{$k} = $B->{$k}; + } + } + return $R; +} + + +# Add A to B +sub AddPcs { + my $A = shift; + my $B = shift; + + my $R = {}; + # add all keys in A + foreach my $k (keys(%{$A})) { + $R->{$k} = 1 + } + # add all keys in B + foreach my $k (keys(%{$B})) { + $R->{$k} = 1 + } + return $R; +} + +# Subtract B from A +sub SubtractProfile { + my $A = shift; + my $B = shift; + + my $R = {}; + foreach my $k (keys(%{$A})) { + my $v = $A->{$k} - GetEntry($B, $k); + if ($v < 0 && $main::opt_drop_negative) { + $v = 0; + } + AddEntry($R, $k, $v); + } + if (!$main::opt_drop_negative) { + # Take care of when subtracted profile has more entries + foreach my $k (keys(%{$B})) { + if (!exists($A->{$k})) { + AddEntry($R, $k, 0 - $B->{$k}); + } + } + } + return $R; +} + +# Get entry from profile; zero if not present +sub GetEntry { + my $profile = shift; + my $k = shift; + if (exists($profile->{$k})) { + return $profile->{$k}; + } else { + return 0; + } +} + +# Add entry to specified profile +sub AddEntry { + my $profile = shift; + my $k = shift; + my $n = shift; + if (!exists($profile->{$k})) { + $profile->{$k} = 0; + } + $profile->{$k} += $n; +} + +# Add a stack of entries to specified profile, and add them to the $pcs +# list. +sub AddEntries { + my $profile = shift; + my $pcs = shift; + my $stack = shift; + my $count = shift; + my @k = (); + + foreach my $e (split(/\s+/, $stack)) { + my $pc = HexExtend($e); + $pcs->{$pc} = 1; + push @k, $pc; + } + AddEntry($profile, (join "\n", @k), $count); +} + +##### Code to profile a server dynamically ##### + +sub CheckSymbolPage { + my $url = SymbolPageURL(); + my $command = ShellEscape(@URL_FETCHER, $url); + open(SYMBOL, "$command |") or error($command); + my $line = ; + $line =~ s/\r//g; # turn windows-looking lines into unix-looking lines + close(SYMBOL); + unless (defined($line)) { + error("$url doesn't exist\n"); + } + + if ($line =~ /^num_symbols:\s+(\d+)$/) { + if ($1 == 0) { + error("Stripped binary. No symbols available.\n"); + } + } else { + error("Failed to get the number of symbols from $url\n"); + } +} + +sub IsProfileURL { + my $profile_name = shift; + if (-f $profile_name) { + printf STDERR "Using local file $profile_name.\n"; + return 0; + } + return 1; +} + +sub ParseProfileURL { + my $profile_name = shift; + + if (!defined($profile_name) || $profile_name eq "") { + return (); + } + + # Split profile URL - matches all non-empty strings, so no test. + $profile_name =~ m,^(https?://)?([^/]+)(.*?)(/|$PROFILES)?$,; + + my $proto = $1 || "http://"; + my $hostport = $2; + my $prefix = $3; + my $profile = $4 || "/"; + + my $host = $hostport; + $host =~ s/:.*//; + + my $baseurl = "$proto$hostport$prefix"; + return ($host, $baseurl, $profile); +} + +# We fetch symbols from the first profile argument. +sub SymbolPageURL { + my ($host, $baseURL, $path) = ParseProfileURL($main::pfile_args[0]); + return "$baseURL$SYMBOL_PAGE"; +} + +sub FetchProgramName() { + my ($host, $baseURL, $path) = ParseProfileURL($main::pfile_args[0]); + my $url = "$baseURL$PROGRAM_NAME_PAGE"; + my $command_line = ShellEscape(@URL_FETCHER, $url); + open(CMDLINE, "$command_line |") or error($command_line); + my $cmdline = ; + $cmdline =~ s/\r//g; # turn windows-looking lines into unix-looking lines + close(CMDLINE); + error("Failed to get program name from $url\n") unless defined($cmdline); + $cmdline =~ s/\x00.+//; # Remove argv[1] and latters. + $cmdline =~ s!\n!!g; # Remove LFs. + return $cmdline; +} + +# Gee, curl's -L (--location) option isn't reliable at least +# with its 7.12.3 version. Curl will forget to post data if +# there is a redirection. This function is a workaround for +# curl. Redirection happens on borg hosts. +sub ResolveRedirectionForCurl { + my $url = shift; + my $command_line = ShellEscape(@URL_FETCHER, "--head", $url); + open(CMDLINE, "$command_line |") or error($command_line); + while () { + s/\r//g; # turn windows-looking lines into unix-looking lines + if (/^Location: (.*)/) { + $url = $1; + } + } + close(CMDLINE); + return $url; +} + +# Add a timeout flat to URL_FETCHER. Returns a new list. +sub AddFetchTimeout { + my $timeout = shift; + my @fetcher = shift; + if (defined($timeout)) { + if (join(" ", @fetcher) =~ m/\bcurl -s/) { + push(@fetcher, "--max-time", sprintf("%d", $timeout)); + } elsif (join(" ", @fetcher) =~ m/\brpcget\b/) { + push(@fetcher, sprintf("--deadline=%d", $timeout)); + } + } + return @fetcher; +} + +# Reads a symbol map from the file handle name given as $1, returning +# the resulting symbol map. Also processes variables relating to symbols. +# Currently, the only variable processed is 'binary=' which updates +# $main::prog to have the correct program name. +sub ReadSymbols { + my $in = shift; + my $map = {}; + while (<$in>) { + s/\r//g; # turn windows-looking lines into unix-looking lines + # Removes all the leading zeroes from the symbols, see comment below. + if (m/^0x0*([0-9a-f]+)\s+(.+)/) { + $map->{$1} = $2; + } elsif (m/^---/) { + last; + } elsif (m/^([a-z][^=]*)=(.*)$/ ) { + my ($variable, $value) = ($1, $2); + for ($variable, $value) { + s/^\s+//; + s/\s+$//; + } + if ($variable eq "binary") { + if ($main::prog ne $UNKNOWN_BINARY && $main::prog ne $value) { + printf STDERR ("Warning: Mismatched binary name '%s', using '%s'.\n", + $main::prog, $value); + } + $main::prog = $value; + } else { + printf STDERR ("Ignoring unknown variable in symbols list: " . + "'%s' = '%s'\n", $variable, $value); + } + } + } + return $map; +} + +# Fetches and processes symbols to prepare them for use in the profile output +# code. If the optional 'symbol_map' arg is not given, fetches symbols from +# $SYMBOL_PAGE for all PC values found in profile. Otherwise, the raw symbols +# are assumed to have already been fetched into 'symbol_map' and are simply +# extracted and processed. +sub FetchSymbols { + my $pcset = shift; + my $symbol_map = shift; + + my %seen = (); + my @pcs = grep { !$seen{$_}++ } keys(%$pcset); # uniq + + if (!defined($symbol_map)) { + my $post_data = join("+", sort((map {"0x" . "$_"} @pcs))); + + open(POSTFILE, ">$main::tmpfile_sym"); + print POSTFILE $post_data; + close(POSTFILE); + + my $url = SymbolPageURL(); + + my $command_line; + if (join(" ", @URL_FETCHER) =~ m/\bcurl -s/) { + $url = ResolveRedirectionForCurl($url); + $command_line = ShellEscape(@URL_FETCHER, "-d", "\@$main::tmpfile_sym", + $url); + } else { + $command_line = (ShellEscape(@URL_FETCHER, "--post", $url) + . " < " . ShellEscape($main::tmpfile_sym)); + } + # We use c++filt in case $SYMBOL_PAGE gives us mangled symbols. + my $escaped_cppfilt = ShellEscape($obj_tool_map{"c++filt"}); + open(SYMBOL, "$command_line | $escaped_cppfilt |") or error($command_line); + $symbol_map = ReadSymbols(*SYMBOL{IO}); + close(SYMBOL); + } + + my $symbols = {}; + foreach my $pc (@pcs) { + my $fullname; + # For 64 bits binaries, symbols are extracted with 8 leading zeroes. + # Then /symbol reads the long symbols in as uint64, and outputs + # the result with a "0x%08llx" format which get rid of the zeroes. + # By removing all the leading zeroes in both $pc and the symbols from + # /symbol, the symbols match and are retrievable from the map. + my $shortpc = $pc; + $shortpc =~ s/^0*//; + # Each line may have a list of names, which includes the function + # and also other functions it has inlined. They are separated (in + # PrintSymbolizedProfile), by --, which is illegal in function names. + my $fullnames; + if (defined($symbol_map->{$shortpc})) { + $fullnames = $symbol_map->{$shortpc}; + } else { + $fullnames = "0x" . $pc; # Just use addresses + } + my $sym = []; + $symbols->{$pc} = $sym; + foreach my $fullname (split("--", $fullnames)) { + my $name = ShortFunctionName($fullname); + push(@{$sym}, $name, "?", $fullname); + } + } + return $symbols; +} + +sub BaseName { + my $file_name = shift; + $file_name =~ s!^.*/!!; # Remove directory name + return $file_name; +} + +sub MakeProfileBaseName { + my ($binary_name, $profile_name) = @_; + my ($host, $baseURL, $path) = ParseProfileURL($profile_name); + my $binary_shortname = BaseName($binary_name); + return sprintf("%s.%s.%s", + $binary_shortname, $main::op_time, $host); +} + +sub FetchDynamicProfile { + my $binary_name = shift; + my $profile_name = shift; + my $fetch_name_only = shift; + my $encourage_patience = shift; + + if (!IsProfileURL($profile_name)) { + return $profile_name; + } else { + my ($host, $baseURL, $path) = ParseProfileURL($profile_name); + if ($path eq "" || $path eq "/") { + # Missing type specifier defaults to cpu-profile + $path = $PROFILE_PAGE; + } + + my $profile_file = MakeProfileBaseName($binary_name, $profile_name); + + my $url = "$baseURL$path"; + my $fetch_timeout = undef; + if ($path =~ m/$PROFILE_PAGE|$PMUPROFILE_PAGE/) { + if ($path =~ m/[?]/) { + $url .= "&"; + } else { + $url .= "?"; + } + $url .= sprintf("seconds=%d", $main::opt_seconds); + $fetch_timeout = $main::opt_seconds * 1.01 + 60; + } else { + # For non-CPU profiles, we add a type-extension to + # the target profile file name. + my $suffix = $path; + $suffix =~ s,/,.,g; + $profile_file .= $suffix; + } + + my $profile_dir = $ENV{"PPROF_TMPDIR"} || ($ENV{HOME} . "/pprof"); + if (! -d $profile_dir) { + mkdir($profile_dir) + || die("Unable to create profile directory $profile_dir: $!\n"); + } + my $tmp_profile = "$profile_dir/.tmp.$profile_file"; + my $real_profile = "$profile_dir/$profile_file"; + + if ($fetch_name_only > 0) { + return $real_profile; + } + + my @fetcher = AddFetchTimeout($fetch_timeout, @URL_FETCHER); + my $cmd = ShellEscape(@fetcher, $url) . " > " . ShellEscape($tmp_profile); + if ($path =~ m/$PROFILE_PAGE|$PMUPROFILE_PAGE|$CENSUSPROFILE_PAGE/){ + print STDERR "Gathering CPU profile from $url for $main::opt_seconds seconds to\n ${real_profile}\n"; + if ($encourage_patience) { + print STDERR "Be patient...\n"; + } + } else { + print STDERR "Fetching $path profile from $url to\n ${real_profile}\n"; + } + + (system($cmd) == 0) || error("Failed to get profile: $cmd: $!\n"); + (system("mv", $tmp_profile, $real_profile) == 0) || error("Unable to rename profile\n"); + print STDERR "Wrote profile to $real_profile\n"; + $main::collected_profile = $real_profile; + return $main::collected_profile; + } +} + +# Collect profiles in parallel +sub FetchDynamicProfiles { + my $items = scalar(@main::pfile_args); + my $levels = log($items) / log(2); + + if ($items == 1) { + $main::profile_files[0] = FetchDynamicProfile($main::prog, $main::pfile_args[0], 0, 1); + } else { + # math rounding issues + if ((2 ** $levels) < $items) { + $levels++; + } + my $count = scalar(@main::pfile_args); + for (my $i = 0; $i < $count; $i++) { + $main::profile_files[$i] = FetchDynamicProfile($main::prog, $main::pfile_args[$i], 1, 0); + } + print STDERR "Fetching $count profiles, Be patient...\n"; + FetchDynamicProfilesRecurse($levels, 0, 0); + $main::collected_profile = join(" \\\n ", @main::profile_files); + } +} + +# Recursively fork a process to get enough processes +# collecting profiles +sub FetchDynamicProfilesRecurse { + my $maxlevel = shift; + my $level = shift; + my $position = shift; + + if (my $pid = fork()) { + $position = 0 | ($position << 1); + TryCollectProfile($maxlevel, $level, $position); + wait; + } else { + $position = 1 | ($position << 1); + TryCollectProfile($maxlevel, $level, $position); + cleanup(); + exit(0); + } +} + +# Collect a single profile +sub TryCollectProfile { + my $maxlevel = shift; + my $level = shift; + my $position = shift; + + if ($level >= ($maxlevel - 1)) { + if ($position < scalar(@main::pfile_args)) { + FetchDynamicProfile($main::prog, $main::pfile_args[$position], 0, 0); + } + } else { + FetchDynamicProfilesRecurse($maxlevel, $level+1, $position); + } +} + +##### Parsing code ##### + +# Provide a small streaming-read module to handle very large +# cpu-profile files. Stream in chunks along a sliding window. +# Provides an interface to get one 'slot', correctly handling +# endian-ness differences. A slot is one 32-bit or 64-bit word +# (depending on the input profile). We tell endianness and bit-size +# for the profile by looking at the first 8 bytes: in cpu profiles, +# the second slot is always 3 (we'll accept anything that's not 0). +BEGIN { + package CpuProfileStream; + + sub new { + my ($class, $file, $fname) = @_; + my $self = { file => $file, + base => 0, + stride => 512 * 1024, # must be a multiple of bitsize/8 + slots => [], + unpack_code => "", # N for big-endian, V for little + perl_is_64bit => 1, # matters if profile is 64-bit + }; + bless $self, $class; + # Let unittests adjust the stride + if ($main::opt_test_stride > 0) { + $self->{stride} = $main::opt_test_stride; + } + # Read the first two slots to figure out bitsize and endianness. + my $slots = $self->{slots}; + my $str; + read($self->{file}, $str, 8); + # Set the global $address_length based on what we see here. + # 8 is 32-bit (8 hexadecimal chars); 16 is 64-bit (16 hexadecimal chars). + $address_length = ($str eq (chr(0)x8)) ? 16 : 8; + if ($address_length == 8) { + if (substr($str, 6, 2) eq chr(0)x2) { + $self->{unpack_code} = 'V'; # Little-endian. + } elsif (substr($str, 4, 2) eq chr(0)x2) { + $self->{unpack_code} = 'N'; # Big-endian + } else { + ::error("$fname: header size >= 2**16\n"); + } + @$slots = unpack($self->{unpack_code} . "*", $str); + } else { + # If we're a 64-bit profile, check if we're a 64-bit-capable + # perl. Otherwise, each slot will be represented as a float + # instead of an int64, losing precision and making all the + # 64-bit addresses wrong. We won't complain yet, but will + # later if we ever see a value that doesn't fit in 32 bits. + my $has_q = 0; + eval { $has_q = pack("Q", "1") ? 1 : 1; }; + if (!$has_q) { + $self->{perl_is_64bit} = 0; + } + read($self->{file}, $str, 8); + if (substr($str, 4, 4) eq chr(0)x4) { + # We'd love to use 'Q', but it's a) not universal, b) not endian-proof. + $self->{unpack_code} = 'V'; # Little-endian. + } elsif (substr($str, 0, 4) eq chr(0)x4) { + $self->{unpack_code} = 'N'; # Big-endian + } else { + ::error("$fname: header size >= 2**32\n"); + } + my @pair = unpack($self->{unpack_code} . "*", $str); + # Since we know one of the pair is 0, it's fine to just add them. + @$slots = (0, $pair[0] + $pair[1]); + } + return $self; + } + + # Load more data when we access slots->get(X) which is not yet in memory. + sub overflow { + my ($self) = @_; + my $slots = $self->{slots}; + $self->{base} += $#$slots + 1; # skip over data we're replacing + my $str; + read($self->{file}, $str, $self->{stride}); + if ($address_length == 8) { # the 32-bit case + # This is the easy case: unpack provides 32-bit unpacking primitives. + @$slots = unpack($self->{unpack_code} . "*", $str); + } else { + # We need to unpack 32 bits at a time and combine. + my @b32_values = unpack($self->{unpack_code} . "*", $str); + my @b64_values = (); + for (my $i = 0; $i < $#b32_values; $i += 2) { + # TODO(csilvers): if this is a 32-bit perl, the math below + # could end up in a too-large int, which perl will promote + # to a double, losing necessary precision. Deal with that. + # Right now, we just die. + my ($lo, $hi) = ($b32_values[$i], $b32_values[$i+1]); + if ($self->{unpack_code} eq 'N') { # big-endian + ($lo, $hi) = ($hi, $lo); + } + my $value = $lo + $hi * (2**32); + if (!$self->{perl_is_64bit} && # check value is exactly represented + (($value % (2**32)) != $lo || int($value / (2**32)) != $hi)) { + ::error("Need a 64-bit perl to process this 64-bit profile.\n"); + } + push(@b64_values, $value); + } + @$slots = @b64_values; + } + } + + # Access the i-th long in the file (logically), or -1 at EOF. + sub get { + my ($self, $idx) = @_; + my $slots = $self->{slots}; + while ($#$slots >= 0) { + if ($idx < $self->{base}) { + # The only time we expect a reference to $slots[$i - something] + # after referencing $slots[$i] is reading the very first header. + # Since $stride > |header|, that shouldn't cause any lookback + # errors. And everything after the header is sequential. + print STDERR "Unexpected look-back reading CPU profile"; + return -1; # shrug, don't know what better to return + } elsif ($idx > $self->{base} + $#$slots) { + $self->overflow(); + } else { + return $slots->[$idx - $self->{base}]; + } + } + # If we get here, $slots is [], which means we've reached EOF + return -1; # unique since slots is supposed to hold unsigned numbers + } +} + +# Reads the top, 'header' section of a profile, and returns the last +# line of the header, commonly called a 'header line'. The header +# section of a profile consists of zero or more 'command' lines that +# are instructions to pprof, which pprof executes when reading the +# header. All 'command' lines start with a %. After the command +# lines is the 'header line', which is a profile-specific line that +# indicates what type of profile it is, and perhaps other global +# information about the profile. For instance, here's a header line +# for a heap profile: +# heap profile: 53: 38236 [ 5525: 1284029] @ heapprofile +# For historical reasons, the CPU profile does not contain a text- +# readable header line. If the profile looks like a CPU profile, +# this function returns "". If no header line could be found, this +# function returns undef. +# +# The following commands are recognized: +# %warn -- emit the rest of this line to stderr, prefixed by 'WARNING:' +# +# The input file should be in binmode. +sub ReadProfileHeader { + local *PROFILE = shift; + my $firstchar = ""; + my $line = ""; + read(PROFILE, $firstchar, 1); + seek(PROFILE, -1, 1); # unread the firstchar + if ($firstchar !~ /[[:print:]]/) { # is not a text character + return ""; + } + while (defined($line = )) { + $line =~ s/\r//g; # turn windows-looking lines into unix-looking lines + if ($line =~ /^%warn\s+(.*)/) { # 'warn' command + # Note this matches both '%warn blah\n' and '%warn\n'. + print STDERR "WARNING: $1\n"; # print the rest of the line + } elsif ($line =~ /^%/) { + print STDERR "Ignoring unknown command from profile header: $line"; + } else { + # End of commands, must be the header line. + return $line; + } + } + return undef; # got to EOF without seeing a header line +} + +sub IsSymbolizedProfileFile { + my $file_name = shift; + if (!(-e $file_name) || !(-r $file_name)) { + return 0; + } + # Check if the file contains a symbol-section marker. + open(TFILE, "<$file_name"); + binmode TFILE; + my $firstline = ReadProfileHeader(*TFILE); + close(TFILE); + if (!$firstline) { + return 0; + } + $SYMBOL_PAGE =~ m,[^/]+$,; # matches everything after the last slash + my $symbol_marker = $&; + return $firstline =~ /^--- *$symbol_marker/; +} + +# Parse profile generated by common/profiler.cc and return a reference +# to a map: +# $result->{version} Version number of profile file +# $result->{period} Sampling period (in microseconds) +# $result->{profile} Profile object +# $result->{map} Memory map info from profile +# $result->{pcs} Hash of all PC values seen, key is hex address +sub ReadProfile { + my $prog = shift; + my $fname = shift; + my $result; # return value + + $CONTENTION_PAGE =~ m,[^/]+$,; # matches everything after the last slash + my $contention_marker = $&; + $GROWTH_PAGE =~ m,[^/]+$,; # matches everything after the last slash + my $growth_marker = $&; + $SYMBOL_PAGE =~ m,[^/]+$,; # matches everything after the last slash + my $symbol_marker = $&; + $PROFILE_PAGE =~ m,[^/]+$,; # matches everything after the last slash + my $profile_marker = $&; + + # Look at first line to see if it is a heap or a CPU profile. + # CPU profile may start with no header at all, and just binary data + # (starting with \0\0\0\0) -- in that case, don't try to read the + # whole firstline, since it may be gigabytes(!) of data. + open(PROFILE, "<$fname") || error("$fname: $!\n"); + binmode PROFILE; # New perls do UTF-8 processing + my $header = ReadProfileHeader(*PROFILE); + if (!defined($header)) { # means "at EOF" + error("Profile is empty.\n"); + } + + my $symbols; + if ($header =~ m/^--- *$symbol_marker/o) { + # Verify that the user asked for a symbolized profile + if (!$main::use_symbolized_profile) { + # we have both a binary and symbolized profiles, abort + error("FATAL ERROR: Symbolized profile\n $fname\ncannot be used with " . + "a binary arg. Try again without passing\n $prog\n"); + } + # Read the symbol section of the symbolized profile file. + $symbols = ReadSymbols(*PROFILE{IO}); + # Read the next line to get the header for the remaining profile. + $header = ReadProfileHeader(*PROFILE) || ""; + } + + $main::profile_type = ''; + if ($header =~ m/^heap profile:.*$growth_marker/o) { + $main::profile_type = 'growth'; + $result = ReadHeapProfile($prog, *PROFILE, $header); + } elsif ($header =~ m/^heap profile:/) { + $main::profile_type = 'heap'; + $result = ReadHeapProfile($prog, *PROFILE, $header); + } elsif ($header =~ m/^--- *$contention_marker/o) { + $main::profile_type = 'contention'; + $result = ReadSynchProfile($prog, *PROFILE); + } elsif ($header =~ m/^--- *Stacks:/) { + print STDERR + "Old format contention profile: mistakenly reports " . + "condition variable signals as lock contentions.\n"; + $main::profile_type = 'contention'; + $result = ReadSynchProfile($prog, *PROFILE); + } elsif ($header =~ m/^--- *$profile_marker/) { + # the binary cpu profile data starts immediately after this line + $main::profile_type = 'cpu'; + $result = ReadCPUProfile($prog, $fname, *PROFILE); + } else { + if (defined($symbols)) { + # a symbolized profile contains a format we don't recognize, bail out + error("$fname: Cannot recognize profile section after symbols.\n"); + } + # no ascii header present -- must be a CPU profile + $main::profile_type = 'cpu'; + $result = ReadCPUProfile($prog, $fname, *PROFILE); + } + + close(PROFILE); + + # if we got symbols along with the profile, return those as well + if (defined($symbols)) { + $result->{symbols} = $symbols; + } + + return $result; +} + +# Subtract one from caller pc so we map back to call instr. +# However, don't do this if we're reading a symbolized profile +# file, in which case the subtract-one was done when the file +# was written. +# +# We apply the same logic to all readers, though ReadCPUProfile uses an +# independent implementation. +sub FixCallerAddresses { + my $stack = shift; + if ($main::use_symbolized_profile) { + return $stack; + } else { + $stack =~ /(\s)/; + my $delimiter = $1; + my @addrs = split(' ', $stack); + my @fixedaddrs; + $#fixedaddrs = $#addrs; + if ($#addrs >= 0) { + $fixedaddrs[0] = $addrs[0]; + } + for (my $i = 1; $i <= $#addrs; $i++) { + $fixedaddrs[$i] = AddressSub($addrs[$i], "0x1"); + } + return join $delimiter, @fixedaddrs; + } +} + +# CPU profile reader +sub ReadCPUProfile { + my $prog = shift; + my $fname = shift; # just used for logging + local *PROFILE = shift; + my $version; + my $period; + my $i; + my $profile = {}; + my $pcs = {}; + + # Parse string into array of slots. + my $slots = CpuProfileStream->new(*PROFILE, $fname); + + # Read header. The current header version is a 5-element structure + # containing: + # 0: header count (always 0) + # 1: header "words" (after this one: 3) + # 2: format version (0) + # 3: sampling period (usec) + # 4: unused padding (always 0) + if ($slots->get(0) != 0 ) { + error("$fname: not a profile file, or old format profile file\n"); + } + $i = 2 + $slots->get(1); + $version = $slots->get(2); + $period = $slots->get(3); + # Do some sanity checking on these header values. + if ($version > (2**32) || $period > (2**32) || $i > (2**32) || $i < 5) { + error("$fname: not a profile file, or corrupted profile file\n"); + } + + # Parse profile + while ($slots->get($i) != -1) { + my $n = $slots->get($i++); + my $d = $slots->get($i++); + if ($d > (2**16)) { # TODO(csilvers): what's a reasonable max-stack-depth? + my $addr = sprintf("0%o", $i * ($address_length == 8 ? 4 : 8)); + print STDERR "At index $i (address $addr):\n"; + error("$fname: stack trace depth >= 2**32\n"); + } + if ($slots->get($i) == 0) { + # End of profile data marker + $i += $d; + last; + } + + # Make key out of the stack entries + my @k = (); + for (my $j = 0; $j < $d; $j++) { + my $pc = $slots->get($i+$j); + # Subtract one from caller pc so we map back to call instr. + # However, don't do this if we're reading a symbolized profile + # file, in which case the subtract-one was done when the file + # was written. + if ($j > 0 && !$main::use_symbolized_profile) { + $pc--; + } + $pc = sprintf("%0*x", $address_length, $pc); + $pcs->{$pc} = 1; + push @k, $pc; + } + + AddEntry($profile, (join "\n", @k), $n); + $i += $d; + } + + # Parse map + my $map = ''; + seek(PROFILE, $i * 4, 0); + read(PROFILE, $map, (stat PROFILE)[7]); + + my $r = {}; + $r->{version} = $version; + $r->{period} = $period; + $r->{profile} = $profile; + $r->{libs} = ParseLibraries($prog, $map, $pcs); + $r->{pcs} = $pcs; + + return $r; +} + +sub ReadHeapProfile { + my $prog = shift; + local *PROFILE = shift; + my $header = shift; + + my $index = 1; + if ($main::opt_inuse_space) { + $index = 1; + } elsif ($main::opt_inuse_objects) { + $index = 0; + } elsif ($main::opt_alloc_space) { + $index = 3; + } elsif ($main::opt_alloc_objects) { + $index = 2; + } + + # Find the type of this profile. The header line looks like: + # heap profile: 1246: 8800744 [ 1246: 8800744] @ /266053 + # There are two pairs , the first inuse objects/space, and the + # second allocated objects/space. This is followed optionally by a profile + # type, and if that is present, optionally by a sampling frequency. + # For remote heap profiles (v1): + # The interpretation of the sampling frequency is that the profiler, for + # each sample, calculates a uniformly distributed random integer less than + # the given value, and records the next sample after that many bytes have + # been allocated. Therefore, the expected sample interval is half of the + # given frequency. By default, if not specified, the expected sample + # interval is 128KB. Only remote-heap-page profiles are adjusted for + # sample size. + # For remote heap profiles (v2): + # The sampling frequency is the rate of a Poisson process. This means that + # the probability of sampling an allocation of size X with sampling rate Y + # is 1 - exp(-X/Y) + # For version 2, a typical header line might look like this: + # heap profile: 1922: 127792360 [ 1922: 127792360] @ _v2/524288 + # the trailing number (524288) is the sampling rate. (Version 1 showed + # double the 'rate' here) + my $sampling_algorithm = 0; + my $sample_adjustment = 0; + chomp($header); + my $type = "unknown"; + if ($header =~ m"^heap profile:\s*(\d+):\s+(\d+)\s+\[\s*(\d+):\s+(\d+)\](\s*@\s*([^/]*)(/(\d+))?)?") { + if (defined($6) && ($6 ne '')) { + $type = $6; + my $sample_period = $8; + # $type is "heapprofile" for profiles generated by the + # heap-profiler, and either "heap" or "heap_v2" for profiles + # generated by sampling directly within tcmalloc. It can also + # be "growth" for heap-growth profiles. The first is typically + # found for profiles generated locally, and the others for + # remote profiles. + if (($type eq "heapprofile") || ($type !~ /heap/) ) { + # No need to adjust for the sampling rate with heap-profiler-derived data + $sampling_algorithm = 0; + } elsif ($type =~ /_v2/) { + $sampling_algorithm = 2; # version 2 sampling + if (defined($sample_period) && ($sample_period ne '')) { + $sample_adjustment = int($sample_period); + } + } else { + $sampling_algorithm = 1; # version 1 sampling + if (defined($sample_period) && ($sample_period ne '')) { + $sample_adjustment = int($sample_period)/2; + } + } + } else { + # We detect whether or not this is a remote-heap profile by checking + # that the total-allocated stats ($n2,$s2) are exactly the + # same as the in-use stats ($n1,$s1). It is remotely conceivable + # that a non-remote-heap profile may pass this check, but it is hard + # to imagine how that could happen. + # In this case it's so old it's guaranteed to be remote-heap version 1. + my ($n1, $s1, $n2, $s2) = ($1, $2, $3, $4); + if (($n1 == $n2) && ($s1 == $s2)) { + # This is likely to be a remote-heap based sample profile + $sampling_algorithm = 1; + } + } + } + + if ($sampling_algorithm > 0) { + # For remote-heap generated profiles, adjust the counts and sizes to + # account for the sample rate (we sample once every 128KB by default). + if ($sample_adjustment == 0) { + # Turn on profile adjustment. + $sample_adjustment = 128*1024; + print STDERR "Adjusting heap profiles for 1-in-128KB sampling rate\n"; + } else { + printf STDERR ("Adjusting heap profiles for 1-in-%d sampling rate\n", + $sample_adjustment); + } + if ($sampling_algorithm > 1) { + # We don't bother printing anything for the original version (version 1) + printf STDERR "Heap version $sampling_algorithm\n"; + } + } + + my $profile = {}; + my $pcs = {}; + my $map = ""; + + while () { + s/\r//g; # turn windows-looking lines into unix-looking lines + if (/^MAPPED_LIBRARIES:/) { + # Read the /proc/self/maps data + while () { + s/\r//g; # turn windows-looking lines into unix-looking lines + $map .= $_; + } + last; + } + + if (/^--- Memory map:/) { + # Read /proc/self/maps data as formatted by DumpAddressMap() + my $buildvar = ""; + while () { + s/\r//g; # turn windows-looking lines into unix-looking lines + # Parse "build=" specification if supplied + if (m/^\s*build=(.*)\n/) { + $buildvar = $1; + } + + # Expand "$build" variable if available + $_ =~ s/\$build\b/$buildvar/g; + + $map .= $_; + } + last; + } + + # Read entry of the form: + # : [: ] @ a1 a2 a3 ... an + s/^\s*//; + s/\s*$//; + if (m/^\s*(\d+):\s+(\d+)\s+\[\s*(\d+):\s+(\d+)\]\s+@\s+(.*)$/) { + my $stack = $5; + my ($n1, $s1, $n2, $s2) = ($1, $2, $3, $4); + + if ($sample_adjustment) { + if ($sampling_algorithm == 2) { + # Remote-heap version 2 + # The sampling frequency is the rate of a Poisson process. + # This means that the probability of sampling an allocation of + # size X with sampling rate Y is 1 - exp(-X/Y) + if ($n1 != 0) { + my $ratio = (($s1*1.0)/$n1)/($sample_adjustment); + my $scale_factor = 1/(1 - exp(-$ratio)); + $n1 *= $scale_factor; + $s1 *= $scale_factor; + } + if ($n2 != 0) { + my $ratio = (($s2*1.0)/$n2)/($sample_adjustment); + my $scale_factor = 1/(1 - exp(-$ratio)); + $n2 *= $scale_factor; + $s2 *= $scale_factor; + } + } else { + # Remote-heap version 1 + my $ratio; + $ratio = (($s1*1.0)/$n1)/($sample_adjustment); + if ($ratio < 1) { + $n1 /= $ratio; + $s1 /= $ratio; + } + $ratio = (($s2*1.0)/$n2)/($sample_adjustment); + if ($ratio < 1) { + $n2 /= $ratio; + $s2 /= $ratio; + } + } + } + + my @counts = ($n1, $s1, $n2, $s2); + AddEntries($profile, $pcs, FixCallerAddresses($stack), $counts[$index]); + } + } + + my $r = {}; + $r->{version} = "heap"; + $r->{period} = 1; + $r->{profile} = $profile; + $r->{libs} = ParseLibraries($prog, $map, $pcs); + $r->{pcs} = $pcs; + return $r; +} + +sub ReadSynchProfile { + my $prog = shift; + local *PROFILE = shift; + my $header = shift; + + my $map = ''; + my $profile = {}; + my $pcs = {}; + my $sampling_period = 1; + my $cyclespernanosec = 2.8; # Default assumption for old binaries + my $seen_clockrate = 0; + my $line; + + my $index = 0; + if ($main::opt_total_delay) { + $index = 0; + } elsif ($main::opt_contentions) { + $index = 1; + } elsif ($main::opt_mean_delay) { + $index = 2; + } + + while ( $line = ) { + $line =~ s/\r//g; # turn windows-looking lines into unix-looking lines + if ( $line =~ /^\s*(\d+)\s+(\d+) \@\s*(.*?)\s*$/ ) { + my ($cycles, $count, $stack) = ($1, $2, $3); + + # Convert cycles to nanoseconds + $cycles /= $cyclespernanosec; + + # Adjust for sampling done by application + $cycles *= $sampling_period; + $count *= $sampling_period; + + my @values = ($cycles, $count, $cycles / $count); + AddEntries($profile, $pcs, FixCallerAddresses($stack), $values[$index]); + + } elsif ( $line =~ /^(slow release).*thread \d+ \@\s*(.*?)\s*$/ || + $line =~ /^\s*(\d+) \@\s*(.*?)\s*$/ ) { + my ($cycles, $stack) = ($1, $2); + if ($cycles !~ /^\d+$/) { + next; + } + + # Convert cycles to nanoseconds + $cycles /= $cyclespernanosec; + + # Adjust for sampling done by application + $cycles *= $sampling_period; + + AddEntries($profile, $pcs, FixCallerAddresses($stack), $cycles); + + } elsif ( $line =~ m/^([a-z][^=]*)=(.*)$/ ) { + my ($variable, $value) = ($1,$2); + for ($variable, $value) { + s/^\s+//; + s/\s+$//; + } + if ($variable eq "cycles/second") { + $cyclespernanosec = $value / 1e9; + $seen_clockrate = 1; + } elsif ($variable eq "sampling period") { + $sampling_period = $value; + } elsif ($variable eq "ms since reset") { + # Currently nothing is done with this value in pprof + # So we just silently ignore it for now + } elsif ($variable eq "discarded samples") { + # Currently nothing is done with this value in pprof + # So we just silently ignore it for now + } else { + printf STDERR ("Ignoring unnknown variable in /contention output: " . + "'%s' = '%s'\n",$variable,$value); + } + } else { + # Memory map entry + $map .= $line; + } + } + + if (!$seen_clockrate) { + printf STDERR ("No cycles/second entry in profile; Guessing %.1f GHz\n", + $cyclespernanosec); + } + + my $r = {}; + $r->{version} = 0; + $r->{period} = $sampling_period; + $r->{profile} = $profile; + $r->{libs} = ParseLibraries($prog, $map, $pcs); + $r->{pcs} = $pcs; + return $r; +} + +# Given a hex value in the form "0x1abcd" or "1abcd", return either +# "0001abcd" or "000000000001abcd", depending on the current (global) +# address length. +sub HexExtend { + my $addr = shift; + + $addr =~ s/^(0x)?0*//; + my $zeros_needed = $address_length - length($addr); + if ($zeros_needed < 0) { + printf STDERR "Warning: address $addr is longer than address length $address_length\n"; + return $addr; + } + return ("0" x $zeros_needed) . $addr; +} + +##### Symbol extraction ##### + +# Aggressively search the lib_prefix values for the given library +# If all else fails, just return the name of the library unmodified. +# If the lib_prefix is "/my/path,/other/path" and $file is "/lib/dir/mylib.so" +# it will search the following locations in this order, until it finds a file: +# /my/path/lib/dir/mylib.so +# /other/path/lib/dir/mylib.so +# /my/path/dir/mylib.so +# /other/path/dir/mylib.so +# /my/path/mylib.so +# /other/path/mylib.so +# /lib/dir/mylib.so (returned as last resort) +sub FindLibrary { + my $file = shift; + my $suffix = $file; + + # Search for the library as described above + do { + foreach my $prefix (@prefix_list) { + my $fullpath = $prefix . $suffix; + if (-e $fullpath) { + return $fullpath; + } + } + } while ($suffix =~ s|^/[^/]+/|/|); + return $file; +} + +# Return path to library with debugging symbols. +# For libc libraries, the copy in /usr/lib/debug contains debugging symbols +sub DebuggingLibrary { + my $file = shift; + if ($file =~ m|^/| && -f "/usr/lib/debug$file") { + return "/usr/lib/debug$file"; + } + return undef; +} + +# Parse text section header of a library using objdump +sub ParseTextSectionHeaderFromObjdump { + my $lib = shift; + + my $size = undef; + my $vma; + my $file_offset; + # Get objdump output from the library file to figure out how to + # map between mapped addresses and addresses in the library. + my $cmd = ShellEscape($obj_tool_map{"objdump"}, "-h", $lib); + open(OBJDUMP, "$cmd |") || error("$cmd: $!\n"); + while () { + s/\r//g; # turn windows-looking lines into unix-looking lines + # Idx Name Size VMA LMA File off Algn + # 10 .text 00104b2c 420156f0 420156f0 000156f0 2**4 + # For 64-bit objects, VMA and LMA will be 16 hex digits, size and file + # offset may still be 8. But AddressSub below will still handle that. + my @x = split; + if (($#x >= 6) && ($x[1] eq '.text')) { + $size = $x[2]; + $vma = $x[3]; + $file_offset = $x[5]; + last; + } + } + close(OBJDUMP); + + if (!defined($size)) { + return undef; + } + + my $r = {}; + $r->{size} = $size; + $r->{vma} = $vma; + $r->{file_offset} = $file_offset; + + return $r; +} + +# Parse text section header of a library using otool (on OS X) +sub ParseTextSectionHeaderFromOtool { + my $lib = shift; + + my $size = undef; + my $vma = undef; + my $file_offset = undef; + # Get otool output from the library file to figure out how to + # map between mapped addresses and addresses in the library. + my $command = ShellEscape($obj_tool_map{"otool"}, "-l", $lib); + open(OTOOL, "$command |") || error("$command: $!\n"); + my $cmd = ""; + my $sectname = ""; + my $segname = ""; + foreach my $line () { + $line =~ s/\r//g; # turn windows-looking lines into unix-looking lines + # Load command <#> + # cmd LC_SEGMENT + # [...] + # Section + # sectname __text + # segname __TEXT + # addr 0x000009f8 + # size 0x00018b9e + # offset 2552 + # align 2^2 (4) + # We will need to strip off the leading 0x from the hex addresses, + # and convert the offset into hex. + if ($line =~ /Load command/) { + $cmd = ""; + $sectname = ""; + $segname = ""; + } elsif ($line =~ /Section/) { + $sectname = ""; + $segname = ""; + } elsif ($line =~ /cmd (\w+)/) { + $cmd = $1; + } elsif ($line =~ /sectname (\w+)/) { + $sectname = $1; + } elsif ($line =~ /segname (\w+)/) { + $segname = $1; + } elsif (!(($cmd eq "LC_SEGMENT" || $cmd eq "LC_SEGMENT_64") && + $sectname eq "__text" && + $segname eq "__TEXT")) { + next; + } elsif ($line =~ /\baddr 0x([0-9a-fA-F]+)/) { + $vma = $1; + } elsif ($line =~ /\bsize 0x([0-9a-fA-F]+)/) { + $size = $1; + } elsif ($line =~ /\boffset ([0-9]+)/) { + $file_offset = sprintf("%016x", $1); + } + if (defined($vma) && defined($size) && defined($file_offset)) { + last; + } + } + close(OTOOL); + + if (!defined($vma) || !defined($size) || !defined($file_offset)) { + return undef; + } + + my $r = {}; + $r->{size} = $size; + $r->{vma} = $vma; + $r->{file_offset} = $file_offset; + + return $r; +} + +sub ParseTextSectionHeader { + # obj_tool_map("otool") is only defined if we're in a Mach-O environment + if (defined($obj_tool_map{"otool"})) { + my $r = ParseTextSectionHeaderFromOtool(@_); + if (defined($r)){ + return $r; + } + } + # If otool doesn't work, or we don't have it, fall back to objdump + return ParseTextSectionHeaderFromObjdump(@_); +} + +# Split /proc/pid/maps dump into a list of libraries +sub ParseLibraries { + return if $main::use_symbol_page; # We don't need libraries info. + my $prog = shift; + my $map = shift; + my $pcs = shift; + + my $result = []; + my $h = "[a-f0-9]+"; + my $zero_offset = HexExtend("0"); + + my $buildvar = ""; + foreach my $l (split("\n", $map)) { + if ($l =~ m/^\s*build=(.*)$/) { + $buildvar = $1; + } + + my $start; + my $finish; + my $offset; + my $lib; + if ($l =~ /^($h)-($h)\s+..x.\s+($h)\s+\S+:\S+\s+\d+\s+(\S+\.(so|dll|dylib|bundle)((\.\d+)+\w*(\.\d+){0,3})?)$/i) { + # Full line from /proc/self/maps. Example: + # 40000000-40015000 r-xp 00000000 03:01 12845071 /lib/ld-2.3.2.so + $start = HexExtend($1); + $finish = HexExtend($2); + $offset = HexExtend($3); + $lib = $4; + $lib =~ s|\\|/|g; # turn windows-style paths into unix-style paths + } elsif ($l =~ /^\s*($h)-($h):\s*(\S+\.so(\.\d+)*)/) { + # Cooked line from DumpAddressMap. Example: + # 40000000-40015000: /lib/ld-2.3.2.so + $start = HexExtend($1); + $finish = HexExtend($2); + $offset = $zero_offset; + $lib = $3; + } else { + next; + } + + # Expand "$build" variable if available + $lib =~ s/\$build\b/$buildvar/g; + + $lib = FindLibrary($lib); + + # Check for pre-relocated libraries, which use pre-relocated symbol tables + # and thus require adjusting the offset that we'll use to translate + # VM addresses into symbol table addresses. + # Only do this if we're not going to fetch the symbol table from a + # debugging copy of the library. + if (!DebuggingLibrary($lib)) { + my $text = ParseTextSectionHeader($lib); + if (defined($text)) { + my $vma_offset = AddressSub($text->{vma}, $text->{file_offset}); + $offset = AddressAdd($offset, $vma_offset); + } + } + + push(@{$result}, [$lib, $start, $finish, $offset]); + } + + # Append special entry for additional library (not relocated) + if ($main::opt_lib ne "") { + my $text = ParseTextSectionHeader($main::opt_lib); + if (defined($text)) { + my $start = $text->{vma}; + my $finish = AddressAdd($start, $text->{size}); + + push(@{$result}, [$main::opt_lib, $start, $finish, $start]); + } + } + + # Append special entry for the main program. This covers + # 0..max_pc_value_seen, so that we assume pc values not found in one + # of the library ranges will be treated as coming from the main + # program binary. + my $min_pc = HexExtend("0"); + my $max_pc = $min_pc; # find the maximal PC value in any sample + foreach my $pc (keys(%{$pcs})) { + if (HexExtend($pc) gt $max_pc) { $max_pc = HexExtend($pc); } + } + push(@{$result}, [$prog, $min_pc, $max_pc, $zero_offset]); + + return $result; +} + +# Add two hex addresses of length $address_length. +# Run pprof --test for unit test if this is changed. +sub AddressAdd { + my $addr1 = shift; + my $addr2 = shift; + my $sum; + + if ($address_length == 8) { + # Perl doesn't cope with wraparound arithmetic, so do it explicitly: + $sum = (hex($addr1)+hex($addr2)) % (0x10000000 * 16); + return sprintf("%08x", $sum); + + } else { + # Do the addition in 7-nibble chunks to trivialize carry handling. + + if ($main::opt_debug and $main::opt_test) { + print STDERR "AddressAdd $addr1 + $addr2 = "; + } + + my $a1 = substr($addr1,-7); + $addr1 = substr($addr1,0,-7); + my $a2 = substr($addr2,-7); + $addr2 = substr($addr2,0,-7); + $sum = hex($a1) + hex($a2); + my $c = 0; + if ($sum > 0xfffffff) { + $c = 1; + $sum -= 0x10000000; + } + my $r = sprintf("%07x", $sum); + + $a1 = substr($addr1,-7); + $addr1 = substr($addr1,0,-7); + $a2 = substr($addr2,-7); + $addr2 = substr($addr2,0,-7); + $sum = hex($a1) + hex($a2) + $c; + $c = 0; + if ($sum > 0xfffffff) { + $c = 1; + $sum -= 0x10000000; + } + $r = sprintf("%07x", $sum) . $r; + + $sum = hex($addr1) + hex($addr2) + $c; + if ($sum > 0xff) { $sum -= 0x100; } + $r = sprintf("%02x", $sum) . $r; + + if ($main::opt_debug and $main::opt_test) { print STDERR "$r\n"; } + + return $r; + } +} + + +# Subtract two hex addresses of length $address_length. +# Run pprof --test for unit test if this is changed. +sub AddressSub { + my $addr1 = shift; + my $addr2 = shift; + my $diff; + + if ($address_length == 8) { + # Perl doesn't cope with wraparound arithmetic, so do it explicitly: + $diff = (hex($addr1)-hex($addr2)) % (0x10000000 * 16); + return sprintf("%08x", $diff); + + } else { + # Do the addition in 7-nibble chunks to trivialize borrow handling. + # if ($main::opt_debug) { print STDERR "AddressSub $addr1 - $addr2 = "; } + + my $a1 = hex(substr($addr1,-7)); + $addr1 = substr($addr1,0,-7); + my $a2 = hex(substr($addr2,-7)); + $addr2 = substr($addr2,0,-7); + my $b = 0; + if ($a2 > $a1) { + $b = 1; + $a1 += 0x10000000; + } + $diff = $a1 - $a2; + my $r = sprintf("%07x", $diff); + + $a1 = hex(substr($addr1,-7)); + $addr1 = substr($addr1,0,-7); + $a2 = hex(substr($addr2,-7)) + $b; + $addr2 = substr($addr2,0,-7); + $b = 0; + if ($a2 > $a1) { + $b = 1; + $a1 += 0x10000000; + } + $diff = $a1 - $a2; + $r = sprintf("%07x", $diff) . $r; + + $a1 = hex($addr1); + $a2 = hex($addr2) + $b; + if ($a2 > $a1) { $a1 += 0x100; } + $diff = $a1 - $a2; + $r = sprintf("%02x", $diff) . $r; + + # if ($main::opt_debug) { print STDERR "$r\n"; } + + return $r; + } +} + +# Increment a hex addresses of length $address_length. +# Run pprof --test for unit test if this is changed. +sub AddressInc { + my $addr = shift; + my $sum; + + if ($address_length == 8) { + # Perl doesn't cope with wraparound arithmetic, so do it explicitly: + $sum = (hex($addr)+1) % (0x10000000 * 16); + return sprintf("%08x", $sum); + + } else { + # Do the addition in 7-nibble chunks to trivialize carry handling. + # We are always doing this to step through the addresses in a function, + # and will almost never overflow the first chunk, so we check for this + # case and exit early. + + # if ($main::opt_debug) { print STDERR "AddressInc $addr1 = "; } + + my $a1 = substr($addr,-7); + $addr = substr($addr,0,-7); + $sum = hex($a1) + 1; + my $r = sprintf("%07x", $sum); + if ($sum <= 0xfffffff) { + $r = $addr . $r; + # if ($main::opt_debug) { print STDERR "$r\n"; } + return HexExtend($r); + } else { + $r = "0000000"; + } + + $a1 = substr($addr,-7); + $addr = substr($addr,0,-7); + $sum = hex($a1) + 1; + $r = sprintf("%07x", $sum) . $r; + if ($sum <= 0xfffffff) { + $r = $addr . $r; + # if ($main::opt_debug) { print STDERR "$r\n"; } + return HexExtend($r); + } else { + $r = "00000000000000"; + } + + $sum = hex($addr) + 1; + if ($sum > 0xff) { $sum -= 0x100; } + $r = sprintf("%02x", $sum) . $r; + + # if ($main::opt_debug) { print STDERR "$r\n"; } + return $r; + } +} + +# Extract symbols for all PC values found in profile +sub ExtractSymbols { + my $libs = shift; + my $pcset = shift; + + my $symbols = {}; + + # Map each PC value to the containing library. To make this faster, + # we sort libraries by their starting pc value (highest first), and + # advance through the libraries as we advance the pc. Sometimes the + # addresses of libraries may overlap with the addresses of the main + # binary, so to make sure the libraries 'win', we iterate over the + # libraries in reverse order (which assumes the binary doesn't start + # in the middle of a library, which seems a fair assumption). + my @pcs = (sort { $a cmp $b } keys(%{$pcset})); # pcset is 0-extended strings + foreach my $lib (sort {$b->[1] cmp $a->[1]} @{$libs}) { + my $libname = $lib->[0]; + my $start = $lib->[1]; + my $finish = $lib->[2]; + my $offset = $lib->[3]; + + # Get list of pcs that belong in this library. + my $contained = []; + my ($start_pc_index, $finish_pc_index); + # Find smallest finish_pc_index such that $finish < $pc[$finish_pc_index]. + for ($finish_pc_index = $#pcs + 1; $finish_pc_index > 0; + $finish_pc_index--) { + last if $pcs[$finish_pc_index - 1] le $finish; + } + # Find smallest start_pc_index such that $start <= $pc[$start_pc_index]. + for ($start_pc_index = $finish_pc_index; $start_pc_index > 0; + $start_pc_index--) { + last if $pcs[$start_pc_index - 1] lt $start; + } + # This keeps PC values higher than $pc[$finish_pc_index] in @pcs, + # in case there are overlaps in libraries and the main binary. + @{$contained} = splice(@pcs, $start_pc_index, + $finish_pc_index - $start_pc_index); + # Map to symbols + MapToSymbols($libname, AddressSub($start, $offset), $contained, $symbols); + } + + return $symbols; +} + +# Map list of PC values to symbols for a given image +sub MapToSymbols { + my $image = shift; + my $offset = shift; + my $pclist = shift; + my $symbols = shift; + + my $debug = 0; + + # Ignore empty binaries + if ($#{$pclist} < 0) { return; } + + # Figure out the addr2line command to use + my $addr2line = $obj_tool_map{"addr2line"}; + my $cmd = ShellEscape($addr2line, "-f", "-C", "-e", $image); + if (exists $obj_tool_map{"addr2line_pdb"}) { + $addr2line = $obj_tool_map{"addr2line_pdb"}; + $cmd = ShellEscape($addr2line, "--demangle", "-f", "-C", "-e", $image); + } + + # If "addr2line" isn't installed on the system at all, just use + # nm to get what info we can (function names, but not line numbers). + if (system(ShellEscape($addr2line, "--help") . " >$dev_null 2>&1") != 0) { + MapSymbolsWithNM($image, $offset, $pclist, $symbols); + return; + } + + # "addr2line -i" can produce a variable number of lines per input + # address, with no separator that allows us to tell when data for + # the next address starts. So we find the address for a special + # symbol (_fini) and interleave this address between all real + # addresses passed to addr2line. The name of this special symbol + # can then be used as a separator. + $sep_address = undef; # May be filled in by MapSymbolsWithNM() + my $nm_symbols = {}; + MapSymbolsWithNM($image, $offset, $pclist, $nm_symbols); + if (defined($sep_address)) { + # Only add " -i" to addr2line if the binary supports it. + # addr2line --help returns 0, but not if it sees an unknown flag first. + if (system("$cmd -i --help >$dev_null 2>&1") == 0) { + $cmd .= " -i"; + } else { + $sep_address = undef; # no need for sep_address if we don't support -i + } + } + + # Make file with all PC values with intervening 'sep_address' so + # that we can reliably detect the end of inlined function list + open(ADDRESSES, ">$main::tmpfile_sym") || error("$main::tmpfile_sym: $!\n"); + if ($debug) { print("---- $image ---\n"); } + for (my $i = 0; $i <= $#{$pclist}; $i++) { + # addr2line always reads hex addresses, and does not need '0x' prefix. + if ($debug) { printf STDERR ("%s\n", $pclist->[$i]); } + printf ADDRESSES ("%s\n", AddressSub($pclist->[$i], $offset)); + if (defined($sep_address)) { + printf ADDRESSES ("%s\n", $sep_address); + } + } + close(ADDRESSES); + if ($debug) { + print("----\n"); + system("cat", $main::tmpfile_sym); + print("----\n"); + system("$cmd < " . ShellEscape($main::tmpfile_sym)); + print("----\n"); + } + + open(SYMBOLS, "$cmd <" . ShellEscape($main::tmpfile_sym) . " |") + || error("$cmd: $!\n"); + my $count = 0; # Index in pclist + while () { + # Read fullfunction and filelineinfo from next pair of lines + s/\r?\n$//g; + my $fullfunction = $_; + $_ = ; + s/\r?\n$//g; + my $filelinenum = $_; + + if (defined($sep_address) && $fullfunction eq $sep_symbol) { + # Terminating marker for data for this address + $count++; + next; + } + + $filelinenum =~ s|\\|/|g; # turn windows-style paths into unix-style paths + + my $pcstr = $pclist->[$count]; + my $function = ShortFunctionName($fullfunction); + my $nms = $nm_symbols->{$pcstr}; + if (defined($nms)) { + if ($fullfunction eq '??') { + # nm found a symbol for us. + $function = $nms->[0]; + $fullfunction = $nms->[2]; + } else { + # MapSymbolsWithNM tags each routine with its starting address, + # useful in case the image has multiple occurrences of this + # routine. (It uses a syntax that resembles template paramters, + # that are automatically stripped out by ShortFunctionName().) + # addr2line does not provide the same information. So we check + # if nm disambiguated our symbol, and if so take the annotated + # (nm) version of the routine-name. TODO(csilvers): this won't + # catch overloaded, inlined symbols, which nm doesn't see. + # Better would be to do a check similar to nm's, in this fn. + if ($nms->[2] =~ m/^\Q$function\E/) { # sanity check it's the right fn + $function = $nms->[0]; + $fullfunction = $nms->[2]; + } + } + } + + # Prepend to accumulated symbols for pcstr + # (so that caller comes before callee) + my $sym = $symbols->{$pcstr}; + if (!defined($sym)) { + $sym = []; + $symbols->{$pcstr} = $sym; + } + unshift(@{$sym}, $function, $filelinenum, $fullfunction); + if ($debug) { printf STDERR ("%s => [%s]\n", $pcstr, join(" ", @{$sym})); } + if (!defined($sep_address)) { + # Inlining is off, so this entry ends immediately + $count++; + } + } + close(SYMBOLS); +} + +# Use nm to map the list of referenced PCs to symbols. Return true iff we +# are able to read procedure information via nm. +sub MapSymbolsWithNM { + my $image = shift; + my $offset = shift; + my $pclist = shift; + my $symbols = shift; + + # Get nm output sorted by increasing address + my $symbol_table = GetProcedureBoundaries($image, "."); + if (!%{$symbol_table}) { + return 0; + } + # Start addresses are already the right length (8 or 16 hex digits). + my @names = sort { $symbol_table->{$a}->[0] cmp $symbol_table->{$b}->[0] } + keys(%{$symbol_table}); + + if ($#names < 0) { + # No symbols: just use addresses + foreach my $pc (@{$pclist}) { + my $pcstr = "0x" . $pc; + $symbols->{$pc} = [$pcstr, "?", $pcstr]; + } + return 0; + } + + # Sort addresses so we can do a join against nm output + my $index = 0; + my $fullname = $names[0]; + my $name = ShortFunctionName($fullname); + foreach my $pc (sort { $a cmp $b } @{$pclist}) { + # Adjust for mapped offset + my $mpc = AddressSub($pc, $offset); + while (($index < $#names) && ($mpc ge $symbol_table->{$fullname}->[1])){ + $index++; + $fullname = $names[$index]; + $name = ShortFunctionName($fullname); + } + if ($mpc lt $symbol_table->{$fullname}->[1]) { + $symbols->{$pc} = [$name, "?", $fullname]; + } else { + my $pcstr = "0x" . $pc; + $symbols->{$pc} = [$pcstr, "?", $pcstr]; + } + } + return 1; +} + +sub ShortFunctionName { + my $function = shift; + while ($function =~ s/\([^()]*\)(\s*const)?//g) { } # Argument types + while ($function =~ s/<[^<>]*>//g) { } # Remove template arguments + $function =~ s/^.*\s+(\w+::)/$1/; # Remove leading type + return $function; +} + +# Trim overly long symbols found in disassembler output +sub CleanDisassembly { + my $d = shift; + while ($d =~ s/\([^()%]*\)(\s*const)?//g) { } # Argument types, not (%rax) + while ($d =~ s/(\w+)<[^<>]*>/$1/g) { } # Remove template arguments + return $d; +} + +# Clean file name for display +sub CleanFileName { + my ($f) = @_; + $f =~ s|^/proc/self/cwd/||; + $f =~ s|^\./||; + return $f; +} + +# Make address relative to section and clean up for display +sub UnparseAddress { + my ($offset, $address) = @_; + $address = AddressSub($address, $offset); + $address =~ s/^0x//; + $address =~ s/^0*//; + return $address; +} + +##### Miscellaneous ##### + +# Find the right versions of the above object tools to use. The +# argument is the program file being analyzed, and should be an ELF +# 32-bit or ELF 64-bit executable file. The location of the tools +# is determined by considering the following options in this order: +# 1) --tools option, if set +# 2) PPROF_TOOLS environment variable, if set +# 3) the environment +sub ConfigureObjTools { + my $prog_file = shift; + + # Check for the existence of $prog_file because /usr/bin/file does not + # predictably return error status in prod. + (-e $prog_file) || error("$prog_file does not exist.\n"); + + my $file_type = undef; + if (-e "/usr/bin/file") { + # Follow symlinks (at least for systems where "file" supports that). + my $escaped_prog_file = ShellEscape($prog_file); + $file_type = `/usr/bin/file -L $escaped_prog_file 2>$dev_null || + /usr/bin/file $escaped_prog_file`; + } elsif ($^O == "MSWin32") { + $file_type = "MS Windows"; + } else { + print STDERR "WARNING: Can't determine the file type of $prog_file"; + } + + if ($file_type =~ /64-bit/) { + # Change $address_length to 16 if the program file is ELF 64-bit. + # We can't detect this from many (most?) heap or lock contention + # profiles, since the actual addresses referenced are generally in low + # memory even for 64-bit programs. + $address_length = 16; + } + + if ($file_type =~ /MS Windows/) { + # For windows, we provide a version of nm and addr2line as part of + # the opensource release, which is capable of parsing + # Windows-style PDB executables. It should live in the path, or + # in the same directory as pprof. + $obj_tool_map{"nm_pdb"} = "nm-pdb"; + $obj_tool_map{"addr2line_pdb"} = "addr2line-pdb"; + } + + if ($file_type =~ /Mach-O/) { + # OS X uses otool to examine Mach-O files, rather than objdump. + $obj_tool_map{"otool"} = "otool"; + $obj_tool_map{"addr2line"} = "false"; # no addr2line + $obj_tool_map{"objdump"} = "false"; # no objdump + } + + # Go fill in %obj_tool_map with the pathnames to use: + foreach my $tool (keys %obj_tool_map) { + $obj_tool_map{$tool} = ConfigureTool($obj_tool_map{$tool}); + } +} + +# Returns the path of a caller-specified object tool. If --tools or +# PPROF_TOOLS are specified, then returns the full path to the tool +# with that prefix. Otherwise, returns the path unmodified (which +# means we will look for it on PATH). +sub ConfigureTool { + my $tool = shift; + my $path; + + # --tools (or $PPROF_TOOLS) is a comma separated list, where each + # item is either a) a pathname prefix, or b) a map of the form + # :. First we look for an entry of type (b) for our + # tool. If one is found, we use it. Otherwise, we consider all the + # pathname prefixes in turn, until one yields an existing file. If + # none does, we use a default path. + my $tools = $main::opt_tools || $ENV{"PPROF_TOOLS"} || ""; + if ($tools =~ m/(,|^)\Q$tool\E:([^,]*)/) { + $path = $2; + # TODO(csilvers): sanity-check that $path exists? Hard if it's relative. + } elsif ($tools ne '') { + foreach my $prefix (split(',', $tools)) { + next if ($prefix =~ /:/); # ignore "tool:fullpath" entries in the list + if (-x $prefix . $tool) { + $path = $prefix . $tool; + last; + } + } + if (!$path) { + error("No '$tool' found with prefix specified by " . + "--tools (or \$PPROF_TOOLS) '$tools'\n"); + } + } else { + # ... otherwise use the version that exists in the same directory as + # pprof. If there's nothing there, use $PATH. + $0 =~ m,[^/]*$,; # this is everything after the last slash + my $dirname = $`; # this is everything up to and including the last slash + if (-x "$dirname$tool") { + $path = "$dirname$tool"; + } else { + $path = $tool; + } + } + if ($main::opt_debug) { print STDERR "Using '$path' for '$tool'.\n"; } + return $path; +} + +sub ShellEscape { + my @escaped_words = (); + foreach my $word (@_) { + my $escaped_word = $word; + if ($word =~ m![^a-zA-Z0-9/.,_=-]!) { # check for anything not in whitelist + $escaped_word =~ s/'/'\\''/; + $escaped_word = "'$escaped_word'"; + } + push(@escaped_words, $escaped_word); + } + return join(" ", @escaped_words); +} + +sub cleanup { + unlink($main::tmpfile_sym); + unlink(keys %main::tempnames); + + # We leave any collected profiles in $HOME/pprof in case the user wants + # to look at them later. We print a message informing them of this. + if ((scalar(@main::profile_files) > 0) && + defined($main::collected_profile)) { + if (scalar(@main::profile_files) == 1) { + print STDERR "Dynamically gathered profile is in $main::collected_profile\n"; + } + print STDERR "If you want to investigate this profile further, you can do:\n"; + print STDERR "\n"; + print STDERR " pprof \\\n"; + print STDERR " $main::prog \\\n"; + print STDERR " $main::collected_profile\n"; + print STDERR "\n"; + } +} + +sub sighandler { + cleanup(); + exit(1); +} + +sub error { + my $msg = shift; + print STDERR $msg; + cleanup(); + exit(1); +} + + +# Run $nm_command and get all the resulting procedure boundaries whose +# names match "$regexp" and returns them in a hashtable mapping from +# procedure name to a two-element vector of [start address, end address] +sub GetProcedureBoundariesViaNm { + my $escaped_nm_command = shift; # shell-escaped + my $regexp = shift; + + my $symbol_table = {}; + open(NM, "$escaped_nm_command |") || error("$escaped_nm_command: $!\n"); + my $last_start = "0"; + my $routine = ""; + while () { + s/\r//g; # turn windows-looking lines into unix-looking lines + if (m/^\s*([0-9a-f]+) (.) (..*)/) { + my $start_val = $1; + my $type = $2; + my $this_routine = $3; + + # It's possible for two symbols to share the same address, if + # one is a zero-length variable (like __start_google_malloc) or + # one symbol is a weak alias to another (like __libc_malloc). + # In such cases, we want to ignore all values except for the + # actual symbol, which in nm-speak has type "T". The logic + # below does this, though it's a bit tricky: what happens when + # we have a series of lines with the same address, is the first + # one gets queued up to be processed. However, it won't + # *actually* be processed until later, when we read a line with + # a different address. That means that as long as we're reading + # lines with the same address, we have a chance to replace that + # item in the queue, which we do whenever we see a 'T' entry -- + # that is, a line with type 'T'. If we never see a 'T' entry, + # we'll just go ahead and process the first entry (which never + # got touched in the queue), and ignore the others. + if ($start_val eq $last_start && $type =~ /t/i) { + # We are the 'T' symbol at this address, replace previous symbol. + $routine = $this_routine; + next; + } elsif ($start_val eq $last_start) { + # We're not the 'T' symbol at this address, so ignore us. + next; + } + + if ($this_routine eq $sep_symbol) { + $sep_address = HexExtend($start_val); + } + + # Tag this routine with the starting address in case the image + # has multiple occurrences of this routine. We use a syntax + # that resembles template paramters that are automatically + # stripped out by ShortFunctionName() + $this_routine .= "<$start_val>"; + + if (defined($routine) && $routine =~ m/$regexp/) { + $symbol_table->{$routine} = [HexExtend($last_start), + HexExtend($start_val)]; + } + $last_start = $start_val; + $routine = $this_routine; + } elsif (m/^Loaded image name: (.+)/) { + # The win32 nm workalike emits information about the binary it is using. + if ($main::opt_debug) { print STDERR "Using Image $1\n"; } + } elsif (m/^PDB file name: (.+)/) { + # The win32 nm workalike emits information about the pdb it is using. + if ($main::opt_debug) { print STDERR "Using PDB $1\n"; } + } + } + close(NM); + # Handle the last line in the nm output. Unfortunately, we don't know + # how big this last symbol is, because we don't know how big the file + # is. For now, we just give it a size of 0. + # TODO(csilvers): do better here. + if (defined($routine) && $routine =~ m/$regexp/) { + $symbol_table->{$routine} = [HexExtend($last_start), + HexExtend($last_start)]; + } + return $symbol_table; +} + +# Gets the procedure boundaries for all routines in "$image" whose names +# match "$regexp" and returns them in a hashtable mapping from procedure +# name to a two-element vector of [start address, end address]. +# Will return an empty map if nm is not installed or not working properly. +sub GetProcedureBoundaries { + my $image = shift; + my $regexp = shift; + + # If $image doesn't start with /, then put ./ in front of it. This works + # around an obnoxious bug in our probing of nm -f behavior. + # "nm -f $image" is supposed to fail on GNU nm, but if: + # + # a. $image starts with [BbSsPp] (for example, bin/foo/bar), AND + # b. you have a.out in your current directory (a not uncommon occurence) + # + # then "nm -f $image" succeeds because -f only looks at the first letter of + # the argument, which looks valid because it's [BbSsPp], and then since + # there's no image provided, it looks for a.out and finds it. + # + # This regex makes sure that $image starts with . or /, forcing the -f + # parsing to fail since . and / are not valid formats. + $image =~ s#^[^/]#./$&#; + + # For libc libraries, the copy in /usr/lib/debug contains debugging symbols + my $debugging = DebuggingLibrary($image); + if ($debugging) { + $image = $debugging; + } + + my $nm = $obj_tool_map{"nm"}; + my $cppfilt = $obj_tool_map{"c++filt"}; + + # nm can fail for two reasons: 1) $image isn't a debug library; 2) nm + # binary doesn't support --demangle. In addition, for OS X we need + # to use the -f flag to get 'flat' nm output (otherwise we don't sort + # properly and get incorrect results). Unfortunately, GNU nm uses -f + # in an incompatible way. So first we test whether our nm supports + # --demangle and -f. + my $demangle_flag = ""; + my $cppfilt_flag = ""; + my $to_devnull = ">$dev_null 2>&1"; + if (system(ShellEscape($nm, "--demangle", "image") . $to_devnull) == 0) { + # In this mode, we do "nm --demangle " + $demangle_flag = "--demangle"; + $cppfilt_flag = ""; + } elsif (system(ShellEscape($cppfilt, $image) . $to_devnull) == 0) { + # In this mode, we do "nm | c++filt" + $cppfilt_flag = " | " . ShellEscape($cppfilt); + }; + my $flatten_flag = ""; + if (system(ShellEscape($nm, "-f", $image) . $to_devnull) == 0) { + $flatten_flag = "-f"; + } + + # Finally, in the case $imagie isn't a debug library, we try again with + # -D to at least get *exported* symbols. If we can't use --demangle, + # we use c++filt instead, if it exists on this system. + my @nm_commands = (ShellEscape($nm, "-n", $flatten_flag, $demangle_flag, + $image) . " 2>$dev_null $cppfilt_flag", + ShellEscape($nm, "-D", "-n", $flatten_flag, $demangle_flag, + $image) . " 2>$dev_null $cppfilt_flag", + # 6nm is for Go binaries + ShellEscape("6nm", "$image") . " 2>$dev_null | sort", + ); + + # If the executable is an MS Windows PDB-format executable, we'll + # have set up obj_tool_map("nm_pdb"). In this case, we actually + # want to use both unix nm and windows-specific nm_pdb, since + # PDB-format executables can apparently include dwarf .o files. + if (exists $obj_tool_map{"nm_pdb"}) { + push(@nm_commands, + ShellEscape($obj_tool_map{"nm_pdb"}, "--demangle", $image) + . " 2>$dev_null"); + } + + foreach my $nm_command (@nm_commands) { + my $symbol_table = GetProcedureBoundariesViaNm($nm_command, $regexp); + return $symbol_table if (%{$symbol_table}); + } + my $symbol_table = {}; + return $symbol_table; +} + + +# The test vectors for AddressAdd/Sub/Inc are 8-16-nibble hex strings. +# To make them more readable, we add underscores at interesting places. +# This routine removes the underscores, producing the canonical representation +# used by pprof to represent addresses, particularly in the tested routines. +sub CanonicalHex { + my $arg = shift; + return join '', (split '_',$arg); +} + + +# Unit test for AddressAdd: +sub AddressAddUnitTest { + my $test_data_8 = shift; + my $test_data_16 = shift; + my $error_count = 0; + my $fail_count = 0; + my $pass_count = 0; + # print STDERR "AddressAddUnitTest: ", 1+$#{$test_data_8}, " tests\n"; + + # First a few 8-nibble addresses. Note that this implementation uses + # plain old arithmetic, so a quick sanity check along with verifying what + # happens to overflow (we want it to wrap): + $address_length = 8; + foreach my $row (@{$test_data_8}) { + if ($main::opt_debug and $main::opt_test) { print STDERR "@{$row}\n"; } + my $sum = AddressAdd ($row->[0], $row->[1]); + if ($sum ne $row->[2]) { + printf STDERR "ERROR: %s != %s + %s = %s\n", $sum, + $row->[0], $row->[1], $row->[2]; + ++$fail_count; + } else { + ++$pass_count; + } + } + printf STDERR "AddressAdd 32-bit tests: %d passes, %d failures\n", + $pass_count, $fail_count; + $error_count = $fail_count; + $fail_count = 0; + $pass_count = 0; + + # Now 16-nibble addresses. + $address_length = 16; + foreach my $row (@{$test_data_16}) { + if ($main::opt_debug and $main::opt_test) { print STDERR "@{$row}\n"; } + my $sum = AddressAdd (CanonicalHex($row->[0]), CanonicalHex($row->[1])); + my $expected = join '', (split '_',$row->[2]); + if ($sum ne CanonicalHex($row->[2])) { + printf STDERR "ERROR: %s != %s + %s = %s\n", $sum, + $row->[0], $row->[1], $row->[2]; + ++$fail_count; + } else { + ++$pass_count; + } + } + printf STDERR "AddressAdd 64-bit tests: %d passes, %d failures\n", + $pass_count, $fail_count; + $error_count += $fail_count; + + return $error_count; +} + + +# Unit test for AddressSub: +sub AddressSubUnitTest { + my $test_data_8 = shift; + my $test_data_16 = shift; + my $error_count = 0; + my $fail_count = 0; + my $pass_count = 0; + # print STDERR "AddressSubUnitTest: ", 1+$#{$test_data_8}, " tests\n"; + + # First a few 8-nibble addresses. Note that this implementation uses + # plain old arithmetic, so a quick sanity check along with verifying what + # happens to overflow (we want it to wrap): + $address_length = 8; + foreach my $row (@{$test_data_8}) { + if ($main::opt_debug and $main::opt_test) { print STDERR "@{$row}\n"; } + my $sum = AddressSub ($row->[0], $row->[1]); + if ($sum ne $row->[3]) { + printf STDERR "ERROR: %s != %s - %s = %s\n", $sum, + $row->[0], $row->[1], $row->[3]; + ++$fail_count; + } else { + ++$pass_count; + } + } + printf STDERR "AddressSub 32-bit tests: %d passes, %d failures\n", + $pass_count, $fail_count; + $error_count = $fail_count; + $fail_count = 0; + $pass_count = 0; + + # Now 16-nibble addresses. + $address_length = 16; + foreach my $row (@{$test_data_16}) { + if ($main::opt_debug and $main::opt_test) { print STDERR "@{$row}\n"; } + my $sum = AddressSub (CanonicalHex($row->[0]), CanonicalHex($row->[1])); + if ($sum ne CanonicalHex($row->[3])) { + printf STDERR "ERROR: %s != %s - %s = %s\n", $sum, + $row->[0], $row->[1], $row->[3]; + ++$fail_count; + } else { + ++$pass_count; + } + } + printf STDERR "AddressSub 64-bit tests: %d passes, %d failures\n", + $pass_count, $fail_count; + $error_count += $fail_count; + + return $error_count; +} + + +# Unit test for AddressInc: +sub AddressIncUnitTest { + my $test_data_8 = shift; + my $test_data_16 = shift; + my $error_count = 0; + my $fail_count = 0; + my $pass_count = 0; + # print STDERR "AddressIncUnitTest: ", 1+$#{$test_data_8}, " tests\n"; + + # First a few 8-nibble addresses. Note that this implementation uses + # plain old arithmetic, so a quick sanity check along with verifying what + # happens to overflow (we want it to wrap): + $address_length = 8; + foreach my $row (@{$test_data_8}) { + if ($main::opt_debug and $main::opt_test) { print STDERR "@{$row}\n"; } + my $sum = AddressInc ($row->[0]); + if ($sum ne $row->[4]) { + printf STDERR "ERROR: %s != %s + 1 = %s\n", $sum, + $row->[0], $row->[4]; + ++$fail_count; + } else { + ++$pass_count; + } + } + printf STDERR "AddressInc 32-bit tests: %d passes, %d failures\n", + $pass_count, $fail_count; + $error_count = $fail_count; + $fail_count = 0; + $pass_count = 0; + + # Now 16-nibble addresses. + $address_length = 16; + foreach my $row (@{$test_data_16}) { + if ($main::opt_debug and $main::opt_test) { print STDERR "@{$row}\n"; } + my $sum = AddressInc (CanonicalHex($row->[0])); + if ($sum ne CanonicalHex($row->[4])) { + printf STDERR "ERROR: %s != %s + 1 = %s\n", $sum, + $row->[0], $row->[4]; + ++$fail_count; + } else { + ++$pass_count; + } + } + printf STDERR "AddressInc 64-bit tests: %d passes, %d failures\n", + $pass_count, $fail_count; + $error_count += $fail_count; + + return $error_count; +} + + +# Driver for unit tests. +# Currently just the address add/subtract/increment routines for 64-bit. +sub RunUnitTests { + my $error_count = 0; + + # This is a list of tuples [a, b, a+b, a-b, a+1] + my $unit_test_data_8 = [ + [qw(aaaaaaaa 50505050 fafafafa 5a5a5a5a aaaaaaab)], + [qw(50505050 aaaaaaaa fafafafa a5a5a5a6 50505051)], + [qw(ffffffff aaaaaaaa aaaaaaa9 55555555 00000000)], + [qw(00000001 ffffffff 00000000 00000002 00000002)], + [qw(00000001 fffffff0 fffffff1 00000011 00000002)], + ]; + my $unit_test_data_16 = [ + # The implementation handles data in 7-nibble chunks, so those are the + # interesting boundaries. + [qw(aaaaaaaa 50505050 + 00_000000f_afafafa 00_0000005_a5a5a5a 00_000000a_aaaaaab)], + [qw(50505050 aaaaaaaa + 00_000000f_afafafa ff_ffffffa_5a5a5a6 00_0000005_0505051)], + [qw(ffffffff aaaaaaaa + 00_000001a_aaaaaa9 00_0000005_5555555 00_0000010_0000000)], + [qw(00000001 ffffffff + 00_0000010_0000000 ff_ffffff0_0000002 00_0000000_0000002)], + [qw(00000001 fffffff0 + 00_000000f_ffffff1 ff_ffffff0_0000011 00_0000000_0000002)], + + [qw(00_a00000a_aaaaaaa 50505050 + 00_a00000f_afafafa 00_a000005_a5a5a5a 00_a00000a_aaaaaab)], + [qw(0f_fff0005_0505050 aaaaaaaa + 0f_fff000f_afafafa 0f_ffefffa_5a5a5a6 0f_fff0005_0505051)], + [qw(00_000000f_fffffff 01_800000a_aaaaaaa + 01_800001a_aaaaaa9 fe_8000005_5555555 00_0000010_0000000)], + [qw(00_0000000_0000001 ff_fffffff_fffffff + 00_0000000_0000000 00_0000000_0000002 00_0000000_0000002)], + [qw(00_0000000_0000001 ff_fffffff_ffffff0 + ff_fffffff_ffffff1 00_0000000_0000011 00_0000000_0000002)], + ]; + + $error_count += AddressAddUnitTest($unit_test_data_8, $unit_test_data_16); + $error_count += AddressSubUnitTest($unit_test_data_8, $unit_test_data_16); + $error_count += AddressIncUnitTest($unit_test_data_8, $unit_test_data_16); + if ($error_count > 0) { + print STDERR $error_count, " errors: FAILED\n"; + } else { + print STDERR "PASS\n"; + } + exit ($error_count); +} diff --git a/deps/snappy-1.0.5/config.guess b/deps/jemalloc/config.guess similarity index 86% rename from deps/snappy-1.0.5/config.guess rename to deps/jemalloc/config.guess index e3a2116..d622a44 100755 --- a/deps/snappy-1.0.5/config.guess +++ b/deps/jemalloc/config.guess @@ -1,10 +1,10 @@ #! /bin/sh # Attempt to guess a canonical system name. # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, -# 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 -# Free Software Foundation, Inc. +# 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, +# 2011, 2012 Free Software Foundation, Inc. -timestamp='2009-06-10' +timestamp='2012-02-10' # This file is free software; you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by @@ -17,9 +17,7 @@ timestamp='2009-06-10' # General Public License for more details. # # You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA -# 02110-1301, USA. +# along with this program; if not, see . # # As a special exception to the GNU General Public License, if you # distribute this file as part of a program that contains a @@ -27,16 +25,16 @@ timestamp='2009-06-10' # the same distribution terms that you use for the rest of that program. -# Originally written by Per Bothner . -# Please send patches to . Submit a context -# diff and a properly formatted ChangeLog entry. +# Originally written by Per Bothner. Please send patches (context +# diff format) to and include a ChangeLog +# entry. # # This script attempts to guess a canonical system name similar to # config.sub. If it succeeds, it prints the system name on stdout, and # exits with 0. Otherwise, it exits with 1. # -# The plan is that this can be called by configure scripts if you -# don't specify an explicit build system type. +# You can get the latest version of this script from: +# http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess;hb=HEAD me=`echo "$0" | sed -e 's,.*/,,'` @@ -56,8 +54,9 @@ version="\ GNU config.guess ($timestamp) Originally written by Per Bothner. -Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, -2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc. +Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, +2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 +Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE." @@ -144,7 +143,7 @@ UNAME_VERSION=`(uname -v) 2>/dev/null` || UNAME_VERSION=unknown case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in *:NetBSD:*:*) # NetBSD (nbsd) targets should (where applicable) match one or - # more of the tupples: *-*-netbsdelf*, *-*-netbsdaout*, + # more of the tuples: *-*-netbsdelf*, *-*-netbsdaout*, # *-*-netbsdecoff* and *-*-netbsd*. For targets that recently # switched to ELF, *-*-netbsd* would select the old # object file format. This provides both forward @@ -180,7 +179,7 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in fi ;; *) - os=netbsd + os=netbsd ;; esac # The OS release @@ -223,7 +222,7 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $3}'` ;; *5.*) - UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $4}'` + UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $4}'` ;; esac # According to Compaq, /usr/sbin/psrinfo has been available on @@ -269,7 +268,10 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in # A Xn.n version is an unreleased experimental baselevel. # 1.2 uses "1.2" for uname -r. echo ${UNAME_MACHINE}-dec-osf`echo ${UNAME_RELEASE} | sed -e 's/^[PVTX]//' | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'` - exit ;; + # Reset EXIT trap before exiting to avoid spurious non-zero exit code. + exitcode=$? + trap '' 0 + exit $exitcode ;; Alpha\ *:Windows_NT*:*) # How do we know it's Interix rather than the generic POSIX subsystem? # Should we change UNAME_MACHINE based on the output of uname instead @@ -295,7 +297,7 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in echo s390-ibm-zvmoe exit ;; *:OS400:*:*) - echo powerpc-ibm-os400 + echo powerpc-ibm-os400 exit ;; arm:RISC*:1.[012]*:*|arm:riscix:1.[012]*:*) echo arm-acorn-riscix${UNAME_RELEASE} @@ -333,6 +335,9 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in sun4*:SunOS:5.*:* | tadpole*:SunOS:5.*:*) echo sparc-sun-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` exit ;; + i86pc:AuroraUX:5.*:* | i86xen:AuroraUX:5.*:*) + echo i386-pc-auroraux${UNAME_RELEASE} + exit ;; i86pc:SunOS:5.*:* | i86xen:SunOS:5.*:*) eval $set_cc_for_build SUN_ARCH="i386" @@ -391,23 +396,23 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in # MiNT. But MiNT is downward compatible to TOS, so this should # be no problem. atarist[e]:*MiNT:*:* | atarist[e]:*mint:*:* | atarist[e]:*TOS:*:*) - echo m68k-atari-mint${UNAME_RELEASE} + echo m68k-atari-mint${UNAME_RELEASE} exit ;; atari*:*MiNT:*:* | atari*:*mint:*:* | atarist[e]:*TOS:*:*) echo m68k-atari-mint${UNAME_RELEASE} - exit ;; + exit ;; *falcon*:*MiNT:*:* | *falcon*:*mint:*:* | *falcon*:*TOS:*:*) - echo m68k-atari-mint${UNAME_RELEASE} + echo m68k-atari-mint${UNAME_RELEASE} exit ;; milan*:*MiNT:*:* | milan*:*mint:*:* | *milan*:*TOS:*:*) - echo m68k-milan-mint${UNAME_RELEASE} - exit ;; + echo m68k-milan-mint${UNAME_RELEASE} + exit ;; hades*:*MiNT:*:* | hades*:*mint:*:* | *hades*:*TOS:*:*) - echo m68k-hades-mint${UNAME_RELEASE} - exit ;; + echo m68k-hades-mint${UNAME_RELEASE} + exit ;; *:*MiNT:*:* | *:*mint:*:* | *:*TOS:*:*) - echo m68k-unknown-mint${UNAME_RELEASE} - exit ;; + echo m68k-unknown-mint${UNAME_RELEASE} + exit ;; m68k:machten:*:*) echo m68k-apple-machten${UNAME_RELEASE} exit ;; @@ -477,8 +482,8 @@ EOF echo m88k-motorola-sysv3 exit ;; AViiON:dgux:*:*) - # DG/UX returns AViiON for all architectures - UNAME_PROCESSOR=`/usr/bin/uname -p` + # DG/UX returns AViiON for all architectures + UNAME_PROCESSOR=`/usr/bin/uname -p` if [ $UNAME_PROCESSOR = mc88100 ] || [ $UNAME_PROCESSOR = mc88110 ] then if [ ${TARGET_BINARY_INTERFACE}x = m88kdguxelfx ] || \ @@ -491,7 +496,7 @@ EOF else echo i586-dg-dgux${UNAME_RELEASE} fi - exit ;; + exit ;; M88*:DolphinOS:*:*) # DolphinOS (SVR3) echo m88k-dolphin-sysv3 exit ;; @@ -548,7 +553,7 @@ EOF echo rs6000-ibm-aix3.2 fi exit ;; - *:AIX:*:[456]) + *:AIX:*:[4567]) IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | sed 1q | awk '{ print $1 }'` if /usr/sbin/lsattr -El ${IBM_CPU_ID} | grep ' POWER' >/dev/null 2>&1; then IBM_ARCH=rs6000 @@ -591,52 +596,52 @@ EOF 9000/[678][0-9][0-9]) if [ -x /usr/bin/getconf ]; then sc_cpu_version=`/usr/bin/getconf SC_CPU_VERSION 2>/dev/null` - sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null` - case "${sc_cpu_version}" in - 523) HP_ARCH="hppa1.0" ;; # CPU_PA_RISC1_0 - 528) HP_ARCH="hppa1.1" ;; # CPU_PA_RISC1_1 - 532) # CPU_PA_RISC2_0 - case "${sc_kernel_bits}" in - 32) HP_ARCH="hppa2.0n" ;; - 64) HP_ARCH="hppa2.0w" ;; + sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null` + case "${sc_cpu_version}" in + 523) HP_ARCH="hppa1.0" ;; # CPU_PA_RISC1_0 + 528) HP_ARCH="hppa1.1" ;; # CPU_PA_RISC1_1 + 532) # CPU_PA_RISC2_0 + case "${sc_kernel_bits}" in + 32) HP_ARCH="hppa2.0n" ;; + 64) HP_ARCH="hppa2.0w" ;; '') HP_ARCH="hppa2.0" ;; # HP-UX 10.20 - esac ;; - esac + esac ;; + esac fi if [ "${HP_ARCH}" = "" ]; then eval $set_cc_for_build - sed 's/^ //' << EOF >$dummy.c + sed 's/^ //' << EOF >$dummy.c - #define _HPUX_SOURCE - #include - #include + #define _HPUX_SOURCE + #include + #include - int main () - { - #if defined(_SC_KERNEL_BITS) - long bits = sysconf(_SC_KERNEL_BITS); - #endif - long cpu = sysconf (_SC_CPU_VERSION); + int main () + { + #if defined(_SC_KERNEL_BITS) + long bits = sysconf(_SC_KERNEL_BITS); + #endif + long cpu = sysconf (_SC_CPU_VERSION); - switch (cpu) - { - case CPU_PA_RISC1_0: puts ("hppa1.0"); break; - case CPU_PA_RISC1_1: puts ("hppa1.1"); break; - case CPU_PA_RISC2_0: - #if defined(_SC_KERNEL_BITS) - switch (bits) - { - case 64: puts ("hppa2.0w"); break; - case 32: puts ("hppa2.0n"); break; - default: puts ("hppa2.0"); break; - } break; - #else /* !defined(_SC_KERNEL_BITS) */ - puts ("hppa2.0"); break; - #endif - default: puts ("hppa1.0"); break; - } - exit (0); - } + switch (cpu) + { + case CPU_PA_RISC1_0: puts ("hppa1.0"); break; + case CPU_PA_RISC1_1: puts ("hppa1.1"); break; + case CPU_PA_RISC2_0: + #if defined(_SC_KERNEL_BITS) + switch (bits) + { + case 64: puts ("hppa2.0w"); break; + case 32: puts ("hppa2.0n"); break; + default: puts ("hppa2.0"); break; + } break; + #else /* !defined(_SC_KERNEL_BITS) */ + puts ("hppa2.0"); break; + #endif + default: puts ("hppa1.0"); break; + } + exit (0); + } EOF (CCOPTS= $CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null) && HP_ARCH=`$dummy` test -z "$HP_ARCH" && HP_ARCH=hppa @@ -727,22 +732,22 @@ EOF exit ;; C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*) echo c1-convex-bsd - exit ;; + exit ;; C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*) if getsysinfo -f scalar_acc then echo c32-convex-bsd else echo c2-convex-bsd fi - exit ;; + exit ;; C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*) echo c34-convex-bsd - exit ;; + exit ;; C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*) echo c38-convex-bsd - exit ;; + exit ;; C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*) echo c4-convex-bsd - exit ;; + exit ;; CRAY*Y-MP:*:*:*) echo ymp-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' exit ;; @@ -766,14 +771,14 @@ EOF exit ;; F30[01]:UNIX_System_V:*:* | F700:UNIX_System_V:*:*) FUJITSU_PROC=`uname -m | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'` - FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'` - FUJITSU_REL=`echo ${UNAME_RELEASE} | sed -e 's/ /_/'` - echo "${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" - exit ;; + FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'` + FUJITSU_REL=`echo ${UNAME_RELEASE} | sed -e 's/ /_/'` + echo "${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" + exit ;; 5000:UNIX_System_V:4.*:*) - FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'` - FUJITSU_REL=`echo ${UNAME_RELEASE} | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/ /_/'` - echo "sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" + FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'` + FUJITSU_REL=`echo ${UNAME_RELEASE} | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/ /_/'` + echo "sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" exit ;; i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*) echo ${UNAME_MACHINE}-pc-bsdi${UNAME_RELEASE} @@ -785,13 +790,12 @@ EOF echo ${UNAME_MACHINE}-unknown-bsdi${UNAME_RELEASE} exit ;; *:FreeBSD:*:*) - case ${UNAME_MACHINE} in - pc98) - echo i386-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; + UNAME_PROCESSOR=`/usr/bin/uname -p` + case ${UNAME_PROCESSOR} in amd64) echo x86_64-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; *) - echo ${UNAME_MACHINE}-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; + echo ${UNAME_PROCESSOR}-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; esac exit ;; i*:CYGWIN*:*) @@ -800,19 +804,22 @@ EOF *:MINGW*:*) echo ${UNAME_MACHINE}-pc-mingw32 exit ;; + i*:MSYS*:*) + echo ${UNAME_MACHINE}-pc-msys + exit ;; i*:windows32*:*) - # uname -m includes "-pc" on this system. - echo ${UNAME_MACHINE}-mingw32 + # uname -m includes "-pc" on this system. + echo ${UNAME_MACHINE}-mingw32 exit ;; i*:PW*:*) echo ${UNAME_MACHINE}-pc-pw32 exit ;; - *:Interix*:[3456]*) - case ${UNAME_MACHINE} in + *:Interix*:*) + case ${UNAME_MACHINE} in x86) echo i586-pc-interix${UNAME_RELEASE} exit ;; - EM64T | authenticamd | genuineintel) + authenticamd | genuineintel | EM64T) echo x86_64-unknown-interix${UNAME_RELEASE} exit ;; IA64) @@ -854,6 +861,27 @@ EOF i*86:Minix:*:*) echo ${UNAME_MACHINE}-pc-minix exit ;; + aarch64:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-gnu + exit ;; + aarch64_be:Linux:*:*) + UNAME_MACHINE=aarch64_be + echo ${UNAME_MACHINE}-unknown-linux-gnu + exit ;; + alpha:Linux:*:*) + case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' < /proc/cpuinfo` in + EV5) UNAME_MACHINE=alphaev5 ;; + EV56) UNAME_MACHINE=alphaev56 ;; + PCA56) UNAME_MACHINE=alphapca56 ;; + PCA57) UNAME_MACHINE=alphapca56 ;; + EV6) UNAME_MACHINE=alphaev6 ;; + EV67) UNAME_MACHINE=alphaev67 ;; + EV68*) UNAME_MACHINE=alphaev68 ;; + esac + objdump --private-headers /bin/sh | grep -q ld.so.1 + if test "$?" = 0 ; then LIBC="libc1" ; else LIBC="" ; fi + echo ${UNAME_MACHINE}-unknown-linux-gnu${LIBC} + exit ;; arm*:Linux:*:*) eval $set_cc_for_build if echo __ARM_EABI__ | $CC_FOR_BUILD -E - 2>/dev/null \ @@ -861,20 +889,40 @@ EOF then echo ${UNAME_MACHINE}-unknown-linux-gnu else - echo ${UNAME_MACHINE}-unknown-linux-gnueabi + if echo __ARM_PCS_VFP | $CC_FOR_BUILD -E - 2>/dev/null \ + | grep -q __ARM_PCS_VFP + then + echo ${UNAME_MACHINE}-unknown-linux-gnueabi + else + echo ${UNAME_MACHINE}-unknown-linux-gnueabihf + fi fi exit ;; avr32*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; cris:Linux:*:*) - echo cris-axis-linux-gnu + echo ${UNAME_MACHINE}-axis-linux-gnu exit ;; crisv32:Linux:*:*) - echo crisv32-axis-linux-gnu + echo ${UNAME_MACHINE}-axis-linux-gnu exit ;; frv:Linux:*:*) - echo frv-unknown-linux-gnu + echo ${UNAME_MACHINE}-unknown-linux-gnu + exit ;; + hexagon:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-gnu + exit ;; + i*86:Linux:*:*) + LIBC=gnu + eval $set_cc_for_build + sed 's/^ //' << EOF >$dummy.c + #ifdef __dietlibc__ + LIBC=dietlibc + #endif +EOF + eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^LIBC'` + echo "${UNAME_MACHINE}-pc-linux-${LIBC}" exit ;; ia64:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu @@ -901,39 +949,18 @@ EOF #endif #endif EOF - eval "`$CC_FOR_BUILD -E $dummy.c 2>/dev/null | sed -n ' - /^CPU/{ - s: ::g - p - }'`" + eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^CPU'` test x"${CPU}" != x && { echo "${CPU}-unknown-linux-gnu"; exit; } ;; or32:Linux:*:*) - echo or32-unknown-linux-gnu - exit ;; - ppc:Linux:*:*) - echo powerpc-unknown-linux-gnu - exit ;; - ppc64:Linux:*:*) - echo powerpc64-unknown-linux-gnu - exit ;; - alpha:Linux:*:*) - case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' < /proc/cpuinfo` in - EV5) UNAME_MACHINE=alphaev5 ;; - EV56) UNAME_MACHINE=alphaev56 ;; - PCA56) UNAME_MACHINE=alphapca56 ;; - PCA57) UNAME_MACHINE=alphapca56 ;; - EV6) UNAME_MACHINE=alphaev6 ;; - EV67) UNAME_MACHINE=alphaev67 ;; - EV68*) UNAME_MACHINE=alphaev68 ;; - esac - objdump --private-headers /bin/sh | grep -q ld.so.1 - if test "$?" = 0 ; then LIBC="libc1" ; else LIBC="" ; fi - echo ${UNAME_MACHINE}-unknown-linux-gnu${LIBC} + echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; padre:Linux:*:*) echo sparc-unknown-linux-gnu exit ;; + parisc64:Linux:*:* | hppa64:Linux:*:*) + echo hppa64-unknown-linux-gnu + exit ;; parisc:Linux:*:* | hppa:Linux:*:*) # Look for CPU level case `grep '^cpu[^a-z]*:' /proc/cpuinfo 2>/dev/null | cut -d' ' -f2` in @@ -942,14 +969,17 @@ EOF *) echo hppa-unknown-linux-gnu ;; esac exit ;; - parisc64:Linux:*:* | hppa64:Linux:*:*) - echo hppa64-unknown-linux-gnu + ppc64:Linux:*:*) + echo powerpc64-unknown-linux-gnu + exit ;; + ppc:Linux:*:*) + echo powerpc-unknown-linux-gnu exit ;; s390:Linux:*:* | s390x:Linux:*:*) echo ${UNAME_MACHINE}-ibm-linux exit ;; sh64*:Linux:*:*) - echo ${UNAME_MACHINE}-unknown-linux-gnu + echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; sh*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu @@ -957,67 +987,18 @@ EOF sparc:Linux:*:* | sparc64:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; + tile*:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-gnu + exit ;; vax:Linux:*:*) echo ${UNAME_MACHINE}-dec-linux-gnu exit ;; x86_64:Linux:*:*) - echo x86_64-unknown-linux-gnu + echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; xtensa*:Linux:*:*) - echo ${UNAME_MACHINE}-unknown-linux-gnu + echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; - i*86:Linux:*:*) - # The BFD linker knows what the default object file format is, so - # first see if it will tell us. cd to the root directory to prevent - # problems with other programs or directories called `ld' in the path. - # Set LC_ALL=C to ensure ld outputs messages in English. - ld_supported_targets=`cd /; LC_ALL=C ld --help 2>&1 \ - | sed -ne '/supported targets:/!d - s/[ ][ ]*/ /g - s/.*supported targets: *// - s/ .*// - p'` - case "$ld_supported_targets" in - elf32-i386) - TENTATIVE="${UNAME_MACHINE}-pc-linux-gnu" - ;; - esac - # Determine whether the default compiler is a.out or elf - eval $set_cc_for_build - sed 's/^ //' << EOF >$dummy.c - #include - #ifdef __ELF__ - # ifdef __GLIBC__ - # if __GLIBC__ >= 2 - LIBC=gnu - # else - LIBC=gnulibc1 - # endif - # else - LIBC=gnulibc1 - # endif - #else - #if defined(__INTEL_COMPILER) || defined(__PGI) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) - LIBC=gnu - #else - LIBC=gnuaout - #endif - #endif - #ifdef __dietlibc__ - LIBC=dietlibc - #endif -EOF - eval "`$CC_FOR_BUILD -E $dummy.c 2>/dev/null | sed -n ' - /^LIBC/{ - s: ::g - p - }'`" - test x"${LIBC}" != x && { - echo "${UNAME_MACHINE}-pc-linux-${LIBC}" - exit - } - test x"${TENTATIVE}" != x && { echo "${TENTATIVE}"; exit; } - ;; i*86:DYNIX/ptx:4*:*) # ptx 4.0 does uname -s correctly, with DYNIX/ptx in there. # earlier versions are messed up and put the nodename in both @@ -1025,11 +1006,11 @@ EOF echo i386-sequent-sysv4 exit ;; i*86:UNIX_SV:4.2MP:2.*) - # Unixware is an offshoot of SVR4, but it has its own version - # number series starting with 2... - # I am not positive that other SVR4 systems won't match this, + # Unixware is an offshoot of SVR4, but it has its own version + # number series starting with 2... + # I am not positive that other SVR4 systems won't match this, # I just have to hope. -- rms. - # Use sysv4.2uw... so that sysv4* matches it. + # Use sysv4.2uw... so that sysv4* matches it. echo ${UNAME_MACHINE}-pc-sysv4.2uw${UNAME_VERSION} exit ;; i*86:OS/2:*:*) @@ -1061,7 +1042,7 @@ EOF fi exit ;; i*86:*:5:[678]*) - # UnixWare 7.x, OpenUNIX and OpenServer 6. + # UnixWare 7.x, OpenUNIX and OpenServer 6. case `/bin/uname -X | grep "^Machine"` in *486*) UNAME_MACHINE=i486 ;; *Pentium) UNAME_MACHINE=i586 ;; @@ -1089,13 +1070,13 @@ EOF exit ;; pc:*:*:*) # Left here for compatibility: - # uname -m prints for DJGPP always 'pc', but it prints nothing about - # the processor, so we play safe by assuming i586. + # uname -m prints for DJGPP always 'pc', but it prints nothing about + # the processor, so we play safe by assuming i586. # Note: whatever this is, it MUST be the same as what config.sub # prints for the "djgpp" host, or else GDB configury will decide that # this is a cross-build. echo i586-pc-msdosdjgpp - exit ;; + exit ;; Intel:Mach:3*:*) echo i386-pc-mach3 exit ;; @@ -1130,8 +1111,8 @@ EOF /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \ && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;; 3[34]??:*:4.0:* | 3[34]??,*:*:4.0:*) - /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ - && { echo i486-ncr-sysv4; exit; } ;; + /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ + && { echo i486-ncr-sysv4; exit; } ;; NCR*:*:4.2:* | MPRAS*:*:4.2:*) OS_REL='.3' test -r /etc/.relid \ @@ -1174,10 +1155,10 @@ EOF echo ns32k-sni-sysv fi exit ;; - PENTIUM:*:4.0*:*) # Unisys `ClearPath HMP IX 4000' SVR4/MP effort - # says - echo i586-unisys-sysv4 - exit ;; + PENTIUM:*:4.0*:*) # Unisys `ClearPath HMP IX 4000' SVR4/MP effort + # says + echo i586-unisys-sysv4 + exit ;; *:UNIX_System_V:4*:FTX*) # From Gerald Hewes . # How about differentiating between stratus architectures? -djm @@ -1203,11 +1184,11 @@ EOF exit ;; R[34]000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*) if [ -d /usr/nec ]; then - echo mips-nec-sysv${UNAME_RELEASE} + echo mips-nec-sysv${UNAME_RELEASE} else - echo mips-unknown-sysv${UNAME_RELEASE} + echo mips-unknown-sysv${UNAME_RELEASE} fi - exit ;; + exit ;; BeBox:BeOS:*:*) # BeOS running on hardware made by Be, PPC only. echo powerpc-be-beos exit ;; @@ -1247,6 +1228,16 @@ EOF *:Darwin:*:*) UNAME_PROCESSOR=`uname -p` || UNAME_PROCESSOR=unknown case $UNAME_PROCESSOR in + i386) + eval $set_cc_for_build + if [ "$CC_FOR_BUILD" != 'no_compiler_found' ]; then + if (echo '#ifdef __LP64__'; echo IS_64BIT_ARCH; echo '#endif') | \ + (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | \ + grep IS_64BIT_ARCH >/dev/null + then + UNAME_PROCESSOR="x86_64" + fi + fi ;; unknown) UNAME_PROCESSOR=powerpc ;; esac echo ${UNAME_PROCESSOR}-apple-darwin${UNAME_RELEASE} @@ -1262,6 +1253,9 @@ EOF *:QNX:*:4*) echo i386-pc-qnx exit ;; + NEO-?:NONSTOP_KERNEL:*:*) + echo neo-tandem-nsk${UNAME_RELEASE} + exit ;; NSE-?:NONSTOP_KERNEL:*:*) echo nse-tandem-nsk${UNAME_RELEASE} exit ;; @@ -1307,13 +1301,13 @@ EOF echo pdp10-unknown-its exit ;; SEI:*:*:SEIUX) - echo mips-sei-seiux${UNAME_RELEASE} + echo mips-sei-seiux${UNAME_RELEASE} exit ;; *:DragonFly:*:*) echo ${UNAME_MACHINE}-unknown-dragonfly`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` exit ;; *:*VMS:*:*) - UNAME_MACHINE=`(uname -p) 2>/dev/null` + UNAME_MACHINE=`(uname -p) 2>/dev/null` case "${UNAME_MACHINE}" in A*) echo alpha-dec-vms ; exit ;; I*) echo ia64-dec-vms ; exit ;; @@ -1331,6 +1325,9 @@ EOF i*86:AROS:*:*) echo ${UNAME_MACHINE}-pc-aros exit ;; + x86_64:VMkernel:*:*) + echo ${UNAME_MACHINE}-unknown-esx + exit ;; esac #echo '(No uname command or uname output not recognized.)' 1>&2 @@ -1353,11 +1350,11 @@ main () #include printf ("m68k-sony-newsos%s\n", #ifdef NEWSOS4 - "4" + "4" #else - "" + "" #endif - ); exit (0); + ); exit (0); #endif #endif diff --git a/deps/jemalloc/config.stamp.in b/deps/jemalloc/config.stamp.in new file mode 100644 index 0000000..e69de29 diff --git a/deps/snappy-1.0.5/config.sub b/deps/jemalloc/config.sub similarity index 89% rename from deps/snappy-1.0.5/config.sub rename to deps/jemalloc/config.sub index eb0389a..c894da4 100755 --- a/deps/snappy-1.0.5/config.sub +++ b/deps/jemalloc/config.sub @@ -1,10 +1,10 @@ #! /bin/sh # Configuration validation subroutine script. # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, -# 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 -# Free Software Foundation, Inc. +# 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, +# 2011, 2012 Free Software Foundation, Inc. -timestamp='2009-06-11' +timestamp='2012-02-10' # This file is (in principle) common to ALL GNU software. # The presence of a machine in this file suggests that SOME GNU software @@ -21,9 +21,7 @@ timestamp='2009-06-11' # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA -# 02110-1301, USA. +# along with this program; if not, see . # # As a special exception to the GNU General Public License, if you # distribute this file as part of a program that contains a @@ -32,13 +30,16 @@ timestamp='2009-06-11' # Please send patches to . Submit a context -# diff and a properly formatted ChangeLog entry. +# diff and a properly formatted GNU ChangeLog entry. # # Configuration subroutine to validate and canonicalize a configuration type. # Supply the specified configuration type as an argument. # If it is invalid, we print an error message on stderr and exit with code 1. # Otherwise, we print the canonical config type on stdout and succeed. +# You can get the latest version of this script from: +# http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub;hb=HEAD + # This file is supposed to be the same for all GNU packages # and recognize all the CPU types, system types and aliases # that are meaningful with *any* GNU software. @@ -72,8 +73,9 @@ Report bugs and patches to ." version="\ GNU config.sub ($timestamp) -Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, -2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc. +Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, +2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 +Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE." @@ -120,13 +122,18 @@ esac # Here we must recognize all the valid KERNEL-OS combinations. maybe_os=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'` case $maybe_os in - nto-qnx* | linux-gnu* | linux-dietlibc | linux-newlib* | linux-uclibc* | \ - uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | knetbsd*-gnu* | netbsd*-gnu* | \ + nto-qnx* | linux-gnu* | linux-android* | linux-dietlibc | linux-newlib* | \ + linux-uclibc* | uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | \ + knetbsd*-gnu* | netbsd*-gnu* | \ kopensolaris*-gnu* | \ storm-chaos* | os2-emx* | rtmk-nova*) os=-$maybe_os basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'` ;; + android-linux) + os=-linux-android + basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'`-unknown + ;; *) basic_machine=`echo $1 | sed 's/-[^-]*$//'` if [ $basic_machine != $1 ] @@ -149,12 +156,12 @@ case $os in -convergent* | -ncr* | -news | -32* | -3600* | -3100* | -hitachi* |\ -c[123]* | -convex* | -sun | -crds | -omron* | -dg | -ultra | -tti* | \ -harris | -dolphin | -highlevel | -gould | -cbm | -ns | -masscomp | \ - -apple | -axis | -knuth | -cray) + -apple | -axis | -knuth | -cray | -microblaze) os= basic_machine=$1 ;; - -bluegene*) - os=-cnk + -bluegene*) + os=-cnk ;; -sim | -cisco | -oki | -wec | -winbond) os= @@ -170,10 +177,10 @@ case $os in os=-chorusos basic_machine=$1 ;; - -chorusrdb) - os=-chorusrdb + -chorusrdb) + os=-chorusrdb basic_machine=$1 - ;; + ;; -hiux*) os=-hiuxwe2 ;; @@ -242,17 +249,22 @@ case $basic_machine in # Some are omitted here because they have special meanings below. 1750a | 580 \ | a29k \ + | aarch64 | aarch64_be \ | alpha | alphaev[4-8] | alphaev56 | alphaev6[78] | alphapca5[67] \ | alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] | alpha64pca5[67] \ | am33_2.0 \ | arc | arm | arm[bl]e | arme[lb] | armv[2345] | armv[345][lb] | avr | avr32 \ + | be32 | be64 \ | bfin \ | c4x | clipper \ | d10v | d30v | dlx | dsp16xx \ + | epiphany \ | fido | fr30 | frv \ | h8300 | h8500 | hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \ + | hexagon \ | i370 | i860 | i960 | ia64 \ | ip2k | iq2000 \ + | le32 | le64 \ | lm32 \ | m32c | m32r | m32rle | m68000 | m68k | m88k \ | maxq | mb | microblaze | mcore | mep | metag \ @@ -278,27 +290,39 @@ case $basic_machine in | moxie \ | mt \ | msp430 \ + | nds32 | nds32le | nds32be \ | nios | nios2 \ | ns16k | ns32k \ + | open8 \ | or32 \ | pdp10 | pdp11 | pj | pjl \ - | powerpc | powerpc64 | powerpc64le | powerpcle | ppcbe \ + | powerpc | powerpc64 | powerpc64le | powerpcle \ | pyramid \ + | rl78 | rx \ | score \ | sh | sh[1234] | sh[24]a | sh[24]aeb | sh[23]e | sh[34]eb | sheb | shbe | shle | sh[1234]le | sh3ele \ | sh64 | sh64le \ | sparc | sparc64 | sparc64b | sparc64v | sparc86x | sparclet | sparclite \ | sparcv8 | sparcv9 | sparcv9b | sparcv9v \ - | spu | strongarm \ - | tahoe | thumb | tic4x | tic80 | tron \ - | v850 | v850e \ + | spu \ + | tahoe | tic4x | tic54x | tic55x | tic6x | tic80 | tron \ + | ubicom32 \ + | v850 | v850e | v850e1 | v850e2 | v850es | v850e2v3 \ | we32k \ - | x86 | xc16x | xscale | xscalee[bl] | xstormy16 | xtensa \ + | x86 | xc16x | xstormy16 | xtensa \ | z8k | z80) basic_machine=$basic_machine-unknown ;; - m6811 | m68hc11 | m6812 | m68hc12) - # Motorola 68HC11/12. + c54x) + basic_machine=tic54x-unknown + ;; + c55x) + basic_machine=tic55x-unknown + ;; + c6x) + basic_machine=tic6x-unknown + ;; + m6811 | m68hc11 | m6812 | m68hc12 | m68hcs12x | picochip) basic_machine=$basic_machine-unknown os=-none ;; @@ -308,6 +332,21 @@ case $basic_machine in basic_machine=mt-unknown ;; + strongarm | thumb | xscale) + basic_machine=arm-unknown + ;; + xgate) + basic_machine=$basic_machine-unknown + os=-none + ;; + xscaleeb) + basic_machine=armeb-unknown + ;; + + xscaleel) + basic_machine=armel-unknown + ;; + # We use `pc' rather than `unknown' # because (1) that's what they normally are, and # (2) the word "unknown" tends to confuse beginning users. @@ -322,25 +361,29 @@ case $basic_machine in # Recognize the basic CPU types with company name. 580-* \ | a29k-* \ + | aarch64-* | aarch64_be-* \ | alpha-* | alphaev[4-8]-* | alphaev56-* | alphaev6[78]-* \ | alpha64-* | alpha64ev[4-8]-* | alpha64ev56-* | alpha64ev6[78]-* \ | alphapca5[67]-* | alpha64pca5[67]-* | arc-* \ | arm-* | armbe-* | armle-* | armeb-* | armv*-* \ | avr-* | avr32-* \ + | be32-* | be64-* \ | bfin-* | bs2000-* \ - | c[123]* | c30-* | [cjt]90-* | c4x-* | c54x-* | c55x-* | c6x-* \ + | c[123]* | c30-* | [cjt]90-* | c4x-* \ | clipper-* | craynv-* | cydra-* \ | d10v-* | d30v-* | dlx-* \ | elxsi-* \ | f30[01]-* | f700-* | fido-* | fr30-* | frv-* | fx80-* \ | h8300-* | h8500-* \ | hppa-* | hppa1.[01]-* | hppa2.0-* | hppa2.0[nw]-* | hppa64-* \ + | hexagon-* \ | i*86-* | i860-* | i960-* | ia64-* \ | ip2k-* | iq2000-* \ + | le32-* | le64-* \ | lm32-* \ | m32c-* | m32r-* | m32rle-* \ | m68000-* | m680[012346]0-* | m68360-* | m683?2-* | m68k-* \ - | m88110-* | m88k-* | maxq-* | mcore-* | metag-* \ + | m88110-* | m88k-* | maxq-* | mcore-* | metag-* | microblaze-* \ | mips-* | mipsbe-* | mipseb-* | mipsel-* | mipsle-* \ | mips16-* \ | mips64-* | mips64el-* \ @@ -362,24 +405,29 @@ case $basic_machine in | mmix-* \ | mt-* \ | msp430-* \ + | nds32-* | nds32le-* | nds32be-* \ | nios-* | nios2-* \ | none-* | np1-* | ns16k-* | ns32k-* \ + | open8-* \ | orion-* \ | pdp10-* | pdp11-* | pj-* | pjl-* | pn-* | power-* \ - | powerpc-* | powerpc64-* | powerpc64le-* | powerpcle-* | ppcbe-* \ + | powerpc-* | powerpc64-* | powerpc64le-* | powerpcle-* \ | pyramid-* \ - | romp-* | rs6000-* \ + | rl78-* | romp-* | rs6000-* | rx-* \ | sh-* | sh[1234]-* | sh[24]a-* | sh[24]aeb-* | sh[23]e-* | sh[34]eb-* | sheb-* | shbe-* \ | shle-* | sh[1234]le-* | sh3ele-* | sh64-* | sh64le-* \ | sparc-* | sparc64-* | sparc64b-* | sparc64v-* | sparc86x-* | sparclet-* \ | sparclite-* \ - | sparcv8-* | sparcv9-* | sparcv9b-* | sparcv9v-* | strongarm-* | sv1-* | sx?-* \ - | tahoe-* | thumb-* \ - | tic30-* | tic4x-* | tic54x-* | tic55x-* | tic6x-* | tic80-* | tile-* \ + | sparcv8-* | sparcv9-* | sparcv9b-* | sparcv9v-* | sv1-* | sx?-* \ + | tahoe-* \ + | tic30-* | tic4x-* | tic54x-* | tic55x-* | tic6x-* | tic80-* \ + | tile*-* \ | tron-* \ - | v850-* | v850e-* | vax-* \ + | ubicom32-* \ + | v850-* | v850e-* | v850e1-* | v850es-* | v850e2-* | v850e2v3-* \ + | vax-* \ | we32k-* \ - | x86-* | x86_64-* | xc16x-* | xps100-* | xscale-* | xscalee[bl]-* \ + | x86-* | x86_64-* | xc16x-* | xps100-* \ | xstormy16-* | xtensa*-* \ | ymp-* \ | z8k-* | z80-*) @@ -404,7 +452,7 @@ case $basic_machine in basic_machine=a29k-amd os=-udi ;; - abacus) + abacus) basic_machine=abacus-unknown ;; adobe68k) @@ -474,11 +522,20 @@ case $basic_machine in basic_machine=powerpc-ibm os=-cnk ;; + c54x-*) + basic_machine=tic54x-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + c55x-*) + basic_machine=tic55x-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + c6x-*) + basic_machine=tic6x-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; c90) basic_machine=c90-cray os=-unicos ;; - cegcc) + cegcc) basic_machine=arm-unknown os=-cegcc ;; @@ -510,7 +567,7 @@ case $basic_machine in basic_machine=craynv-cray os=-unicosmp ;; - cr16) + cr16 | cr16-*) basic_machine=cr16-unknown os=-elf ;; @@ -668,7 +725,6 @@ case $basic_machine in i370-ibm* | ibm*) basic_machine=i370-ibm ;; -# I'm not sure what "Sysv32" means. Should this be sysv3.2? i*86v32) basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` os=-sysv32 @@ -726,6 +782,9 @@ case $basic_machine in basic_machine=ns32k-utek os=-sysv ;; + microblaze) + basic_machine=microblaze-xilinx + ;; mingw32) basic_machine=i386-pc os=-mingw32 @@ -762,10 +821,18 @@ case $basic_machine in ms1-*) basic_machine=`echo $basic_machine | sed -e 's/ms1-/mt-/'` ;; + msys) + basic_machine=i386-pc + os=-msys + ;; mvs) basic_machine=i370-ibm os=-mvs ;; + nacl) + basic_machine=le32-unknown + os=-nacl + ;; ncr3000) basic_machine=i486-ncr os=-sysv4 @@ -830,6 +897,12 @@ case $basic_machine in np1) basic_machine=np1-gould ;; + neo-tandem) + basic_machine=neo-tandem + ;; + nse-tandem) + basic_machine=nse-tandem + ;; nsr-tandem) basic_machine=nsr-tandem ;; @@ -912,9 +985,10 @@ case $basic_machine in ;; power) basic_machine=power-ibm ;; - ppc) basic_machine=powerpc-unknown + ppc | ppcbe) basic_machine=powerpc-unknown ;; - ppc-*) basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'` + ppc-* | ppcbe-*) + basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'` ;; ppcle | powerpclittle | ppc-le | powerpc-little) basic_machine=powerpcle-unknown @@ -1008,6 +1082,9 @@ case $basic_machine in basic_machine=i860-stratus os=-sysv4 ;; + strongarm-* | thumb-*) + basic_machine=arm-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; sun2) basic_machine=m68000-sun ;; @@ -1064,20 +1141,8 @@ case $basic_machine in basic_machine=t90-cray os=-unicos ;; - tic54x | c54x*) - basic_machine=tic54x-unknown - os=-coff - ;; - tic55x | c55x*) - basic_machine=tic55x-unknown - os=-coff - ;; - tic6x | c6x*) - basic_machine=tic6x-unknown - os=-coff - ;; tile*) - basic_machine=tile-unknown + basic_machine=$basic_machine-unknown os=-linux-gnu ;; tx39) @@ -1147,6 +1212,9 @@ case $basic_machine in xps | xps100) basic_machine=xps100-honeywell ;; + xscale-* | xscalee[bl]-*) + basic_machine=`echo $basic_machine | sed 's/^xscale/arm/'` + ;; ymp) basic_machine=ymp-cray os=-unicos @@ -1244,9 +1312,12 @@ esac if [ x"$os" != x"" ] then case $os in - # First match some system type aliases - # that might get confused with valid system types. + # First match some system type aliases + # that might get confused with valid system types. # -solaris* is a basic system type, with this one exception. + -auroraux) + os=-auroraux + ;; -solaris1 | -solaris1.*) os=`echo $os | sed -e 's|solaris1|sunos4|'` ;; @@ -1268,8 +1339,8 @@ case $os in # -sysv* is not here because it comes later, after sysvr4. -gnu* | -bsd* | -mach* | -minix* | -genix* | -ultrix* | -irix* \ | -*vms* | -sco* | -esix* | -isc* | -aix* | -cnk* | -sunos | -sunos[34]*\ - | -hpux* | -unos* | -osf* | -luna* | -dgux* | -solaris* | -sym* \ - | -kopensolaris* \ + | -hpux* | -unos* | -osf* | -luna* | -dgux* | -auroraux* | -solaris* \ + | -sym* | -kopensolaris* \ | -amigaos* | -amigados* | -msdos* | -newsos* | -unicos* | -aof* \ | -aos* | -aros* \ | -nindy* | -vxsim* | -vxworks* | -ebmon* | -hms* | -mvs* \ @@ -1281,8 +1352,9 @@ case $os in | -ptx* | -coff* | -ecoff* | -winnt* | -domain* | -vsta* \ | -udi* | -eabi* | -lites* | -ieee* | -go32* | -aux* \ | -chorusos* | -chorusrdb* | -cegcc* \ - | -cygwin* | -pe* | -psos* | -moss* | -proelf* | -rtems* \ - | -mingw32* | -linux-gnu* | -linux-newlib* | -linux-uclibc* \ + | -cygwin* | -msys* | -pe* | -psos* | -moss* | -proelf* | -rtems* \ + | -mingw32* | -linux-gnu* | -linux-android* \ + | -linux-newlib* | -linux-uclibc* \ | -uxpv* | -beos* | -mpeix* | -udk* \ | -interix* | -uwin* | -mks* | -rhapsody* | -darwin* | -opened* \ | -openstep* | -oskit* | -conix* | -pw32* | -nonstopux* \ @@ -1290,7 +1362,7 @@ case $os in | -os2* | -vos* | -palmos* | -uclinux* | -nucleus* \ | -morphos* | -superux* | -rtmk* | -rtmk-nova* | -windiss* \ | -powermax* | -dnix* | -nx6 | -nx7 | -sei* | -dragonfly* \ - | -skyos* | -haiku* | -rdos* | -toppers* | -drops*) + | -skyos* | -haiku* | -rdos* | -toppers* | -drops* | -es*) # Remember, each alternative MUST END IN *, to match a version number. ;; -qnx*) @@ -1329,7 +1401,7 @@ case $os in -opened*) os=-openedition ;; - -os400*) + -os400*) os=-os400 ;; -wince*) @@ -1378,7 +1450,7 @@ case $os in -sinix*) os=-sysv4 ;; - -tpf*) + -tpf*) os=-tpf ;; -triton*) @@ -1423,6 +1495,8 @@ case $os in -dicos*) os=-dicos ;; + -nacl*) + ;; -none) ;; *) @@ -1445,10 +1519,10 @@ else # system, and we'll never get to this point. case $basic_machine in - score-*) + score-*) os=-elf ;; - spu-*) + spu-*) os=-elf ;; *-acorn) @@ -1460,8 +1534,17 @@ case $basic_machine in arm*-semi) os=-aout ;; - c4x-* | tic4x-*) - os=-coff + c4x-* | tic4x-*) + os=-coff + ;; + tic54x-*) + os=-coff + ;; + tic55x-*) + os=-coff + ;; + tic6x-*) + os=-coff ;; # This must come before the *-dec entry. pdp10-*) @@ -1481,14 +1564,11 @@ case $basic_machine in ;; m68000-sun) os=-sunos3 - # This also exists in the configure program, but was not the - # default. - # os=-sunos4 ;; m68*-cisco) os=-aout ;; - mep-*) + mep-*) os=-elf ;; mips*-cisco) @@ -1515,7 +1595,7 @@ case $basic_machine in *-ibm) os=-aix ;; - *-knuth) + *-knuth) os=-mmixware ;; *-wec) diff --git a/deps/jemalloc/configure b/deps/jemalloc/configure new file mode 100755 index 0000000..0d74812 --- /dev/null +++ b/deps/jemalloc/configure @@ -0,0 +1,8274 @@ +#! /bin/sh +# Guess values for system-dependent variables and create Makefiles. +# Generated by GNU Autoconf 2.68. +# +# +# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001, +# 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software +# Foundation, Inc. +# +# +# This configure script is free software; the Free Software Foundation +# gives unlimited permission to copy, distribute and modify it. +## -------------------- ## +## M4sh Initialization. ## +## -------------------- ## + +# Be more Bourne compatible +DUALCASE=1; export DUALCASE # for MKS sh +if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then : + emulate sh + NULLCMD=: + # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which + # is contrary to our usage. Disable this feature. + alias -g '${1+"$@"}'='"$@"' + setopt NO_GLOB_SUBST +else + case `(set -o) 2>/dev/null` in #( + *posix*) : + set -o posix ;; #( + *) : + ;; +esac +fi + + +as_nl=' +' +export as_nl +# Printing a long string crashes Solaris 7 /usr/bin/printf. +as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\' +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo +# Prefer a ksh shell builtin over an external printf program on Solaris, +# but without wasting forks for bash or zsh. +if test -z "$BASH_VERSION$ZSH_VERSION" \ + && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='print -r --' + as_echo_n='print -rn --' +elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='printf %s\n' + as_echo_n='printf %s' +else + if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then + as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"' + as_echo_n='/usr/ucb/echo -n' + else + as_echo_body='eval expr "X$1" : "X\\(.*\\)"' + as_echo_n_body='eval + arg=$1; + case $arg in #( + *"$as_nl"*) + expr "X$arg" : "X\\(.*\\)$as_nl"; + arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;; + esac; + expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl" + ' + export as_echo_n_body + as_echo_n='sh -c $as_echo_n_body as_echo' + fi + export as_echo_body + as_echo='sh -c $as_echo_body as_echo' +fi + +# The user is always right. +if test "${PATH_SEPARATOR+set}" != set; then + PATH_SEPARATOR=: + (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && { + (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 || + PATH_SEPARATOR=';' + } +fi + + +# IFS +# We need space, tab and new line, in precisely that order. Quoting is +# there to prevent editors from complaining about space-tab. +# (If _AS_PATH_WALK were called with IFS unset, it would disable word +# splitting by setting IFS to empty value.) +IFS=" "" $as_nl" + +# Find who we are. Look in the path if we contain no directory separator. +as_myself= +case $0 in #(( + *[\\/]* ) as_myself=$0 ;; + *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break + done +IFS=$as_save_IFS + + ;; +esac +# We did not find ourselves, most probably we were run as `sh COMMAND' +# in which case we are not to be found in the path. +if test "x$as_myself" = x; then + as_myself=$0 +fi +if test ! -f "$as_myself"; then + $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2 + exit 1 +fi + +# Unset variables that we do not need and which cause bugs (e.g. in +# pre-3.0 UWIN ksh). But do not cause bugs in bash 2.01; the "|| exit 1" +# suppresses any "Segmentation fault" message there. '((' could +# trigger a bug in pdksh 5.2.14. +for as_var in BASH_ENV ENV MAIL MAILPATH +do eval test x\${$as_var+set} = xset \ + && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || : +done +PS1='$ ' +PS2='> ' +PS4='+ ' + +# NLS nuisances. +LC_ALL=C +export LC_ALL +LANGUAGE=C +export LANGUAGE + +# CDPATH. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + +if test "x$CONFIG_SHELL" = x; then + as_bourne_compatible="if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then : + emulate sh + NULLCMD=: + # Pre-4.2 versions of Zsh do word splitting on \${1+\"\$@\"}, which + # is contrary to our usage. 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Invocation command line was + + $ $0 $@ + +_ACEOF +exec 5>>config.log +{ +cat <<_ASUNAME +## --------- ## +## Platform. ## +## --------- ## + +hostname = `(hostname || uname -n) 2>/dev/null | sed 1q` +uname -m = `(uname -m) 2>/dev/null || echo unknown` +uname -r = `(uname -r) 2>/dev/null || echo unknown` +uname -s = `(uname -s) 2>/dev/null || echo unknown` +uname -v = `(uname -v) 2>/dev/null || echo unknown` + +/usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null || echo unknown` +/bin/uname -X = `(/bin/uname -X) 2>/dev/null || echo unknown` + +/bin/arch = `(/bin/arch) 2>/dev/null || echo unknown` +/usr/bin/arch -k = `(/usr/bin/arch -k) 2>/dev/null || echo unknown` +/usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null || echo unknown` +/usr/bin/hostinfo = `(/usr/bin/hostinfo) 2>/dev/null || echo unknown` +/bin/machine = `(/bin/machine) 2>/dev/null || echo unknown` +/usr/bin/oslevel = `(/usr/bin/oslevel) 2>/dev/null || echo unknown` +/bin/universe = `(/bin/universe) 2>/dev/null || echo unknown` + +_ASUNAME + +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + $as_echo "PATH: $as_dir" + done +IFS=$as_save_IFS + +} >&5 + +cat >&5 <<_ACEOF + + +## ----------- ## +## Core tests. ## +## ----------- ## + +_ACEOF + + +# Keep a trace of the command line. +# Strip out --no-create and --no-recursion so they do not pile up. +# Strip out --silent because we don't want to record it for future runs. +# Also quote any args containing shell meta-characters. +# Make two passes to allow for proper duplicate-argument suppression. +ac_configure_args= +ac_configure_args0= +ac_configure_args1= +ac_must_keep_next=false +for ac_pass in 1 2 +do + for ac_arg + do + case $ac_arg in + -no-create | --no-c* | -n | -no-recursion | --no-r*) continue ;; + -q | -quiet | --quiet | --quie | --qui | --qu | --q \ + | -silent | --silent | --silen | --sile | --sil) + continue ;; + *\'*) + ac_arg=`$as_echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; + esac + case $ac_pass in + 1) as_fn_append ac_configure_args0 " '$ac_arg'" ;; + 2) + as_fn_append ac_configure_args1 " '$ac_arg'" + if test $ac_must_keep_next = true; then + ac_must_keep_next=false # Got value, back to normal. + else + case $ac_arg in + *=* | --config-cache | -C | -disable-* | --disable-* \ + | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \ + | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \ + | -with-* | --with-* | -without-* | --without-* | --x) + case "$ac_configure_args0 " in + "$ac_configure_args1"*" '$ac_arg' "* ) continue ;; + esac + ;; + -* ) ac_must_keep_next=true ;; + esac + fi + as_fn_append ac_configure_args " '$ac_arg'" + ;; + esac + done +done +{ ac_configure_args0=; unset ac_configure_args0;} +{ ac_configure_args1=; unset ac_configure_args1;} + +# When interrupted or exit'd, cleanup temporary files, and complete +# config.log. We remove comments because anyway the quotes in there +# would cause problems or look ugly. +# WARNING: Use '\'' to represent an apostrophe within the trap. +# WARNING: Do not start the trap code with a newline, due to a FreeBSD 4.0 bug. +trap 'exit_status=$? + # Save into config.log some information that might help in debugging. + { + echo + + $as_echo "## ---------------- ## +## Cache variables. ## +## ---------------- ##" + echo + # The following way of writing the cache mishandles newlines in values, +( + for ac_var in `(set) 2>&1 | sed -n '\''s/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'\''`; do + eval ac_val=\$$ac_var + case $ac_val in #( + *${as_nl}*) + case $ac_var in #( + *_cv_*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5 +$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;; + esac + case $ac_var in #( + _ | IFS | as_nl) ;; #( + BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #( + *) { eval $ac_var=; unset $ac_var;} ;; + esac ;; + esac + done + (set) 2>&1 | + case $as_nl`(ac_space='\'' '\''; set) 2>&1` in #( + *${as_nl}ac_space=\ *) + sed -n \ + "s/'\''/'\''\\\\'\'''\''/g; + s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\''\\2'\''/p" + ;; #( + *) + sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p" + ;; + esac | + sort +) + echo + + $as_echo "## ----------------- ## +## Output variables. ## +## ----------------- ##" + echo + for ac_var in $ac_subst_vars + do + eval ac_val=\$$ac_var + case $ac_val in + *\'\''*) ac_val=`$as_echo "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;; + esac + $as_echo "$ac_var='\''$ac_val'\''" + done | sort + echo + + if test -n "$ac_subst_files"; then + $as_echo "## ------------------- ## +## File substitutions. ## +## ------------------- ##" + echo + for ac_var in $ac_subst_files + do + eval ac_val=\$$ac_var + case $ac_val in + *\'\''*) ac_val=`$as_echo "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;; + esac + $as_echo "$ac_var='\''$ac_val'\''" + done | sort + echo + fi + + if test -s confdefs.h; then + $as_echo "## ----------- ## +## confdefs.h. ## +## ----------- ##" + echo + cat confdefs.h + echo + fi + test "$ac_signal" != 0 && + $as_echo "$as_me: caught signal $ac_signal" + $as_echo "$as_me: exit $exit_status" + } >&5 + rm -f core *.core core.conftest.* && + rm -f -r conftest* confdefs* conf$$* $ac_clean_files && + exit $exit_status +' 0 +for ac_signal in 1 2 13 15; do + trap 'ac_signal='$ac_signal'; as_fn_exit 1' $ac_signal +done +ac_signal=0 + +# confdefs.h avoids OS command line length limits that DEFS can exceed. +rm -f -r conftest* confdefs.h + +$as_echo "/* confdefs.h */" > confdefs.h + +# Predefined preprocessor variables. + +cat >>confdefs.h <<_ACEOF +#define PACKAGE_NAME "$PACKAGE_NAME" +_ACEOF + +cat >>confdefs.h <<_ACEOF +#define PACKAGE_TARNAME "$PACKAGE_TARNAME" +_ACEOF + +cat >>confdefs.h <<_ACEOF +#define PACKAGE_VERSION "$PACKAGE_VERSION" +_ACEOF + +cat >>confdefs.h <<_ACEOF +#define PACKAGE_STRING "$PACKAGE_STRING" +_ACEOF + +cat >>confdefs.h <<_ACEOF +#define PACKAGE_BUGREPORT "$PACKAGE_BUGREPORT" +_ACEOF + +cat >>confdefs.h <<_ACEOF +#define PACKAGE_URL "$PACKAGE_URL" +_ACEOF + + +# Let the site file select an alternate cache file if it wants to. +# Prefer an explicitly selected file to automatically selected ones. +ac_site_file1=NONE +ac_site_file2=NONE +if test -n "$CONFIG_SITE"; then + # We do not want a PATH search for config.site. + case $CONFIG_SITE in #(( + -*) ac_site_file1=./$CONFIG_SITE;; + */*) ac_site_file1=$CONFIG_SITE;; + *) ac_site_file1=./$CONFIG_SITE;; + esac +elif test "x$prefix" != xNONE; then + ac_site_file1=$prefix/share/config.site + ac_site_file2=$prefix/etc/config.site +else + ac_site_file1=$ac_default_prefix/share/config.site + ac_site_file2=$ac_default_prefix/etc/config.site +fi +for ac_site_file in "$ac_site_file1" "$ac_site_file2" +do + test "x$ac_site_file" = xNONE && continue + if test /dev/null != "$ac_site_file" && test -r "$ac_site_file"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: loading site script $ac_site_file" >&5 +$as_echo "$as_me: loading site script $ac_site_file" >&6;} + sed 's/^/| /' "$ac_site_file" >&5 + . "$ac_site_file" \ + || { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "failed to load site script $ac_site_file +See \`config.log' for more details" "$LINENO" 5; } + fi +done + +if test -r "$cache_file"; then + # Some versions of bash will fail to source /dev/null (special files + # actually), so we avoid doing that. DJGPP emulates it as a regular file. + if test /dev/null != "$cache_file" && test -f "$cache_file"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: loading cache $cache_file" >&5 +$as_echo "$as_me: loading cache $cache_file" >&6;} + case $cache_file in + [\\/]* | ?:[\\/]* ) . "$cache_file";; + *) . "./$cache_file";; + esac + fi +else + { $as_echo "$as_me:${as_lineno-$LINENO}: creating cache $cache_file" >&5 +$as_echo "$as_me: creating cache $cache_file" >&6;} + >$cache_file +fi + +# Check that the precious variables saved in the cache have kept the same +# value. +ac_cache_corrupted=false +for ac_var in $ac_precious_vars; do + eval ac_old_set=\$ac_cv_env_${ac_var}_set + eval ac_new_set=\$ac_env_${ac_var}_set + eval ac_old_val=\$ac_cv_env_${ac_var}_value + eval ac_new_val=\$ac_env_${ac_var}_value + case $ac_old_set,$ac_new_set in + set,) + { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5 +$as_echo "$as_me: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;} + ac_cache_corrupted=: ;; + ,set) + { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was not set in the previous run" >&5 +$as_echo "$as_me: error: \`$ac_var' was not set in the previous run" >&2;} + ac_cache_corrupted=: ;; + ,);; + *) + if test "x$ac_old_val" != "x$ac_new_val"; then + # differences in whitespace do not lead to failure. + ac_old_val_w=`echo x $ac_old_val` + ac_new_val_w=`echo x $ac_new_val` + if test "$ac_old_val_w" != "$ac_new_val_w"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' has changed since the previous run:" >&5 +$as_echo "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;} + ac_cache_corrupted=: + else + { $as_echo "$as_me:${as_lineno-$LINENO}: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&5 +$as_echo "$as_me: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&2;} + eval $ac_var=\$ac_old_val + fi + { $as_echo "$as_me:${as_lineno-$LINENO}: former value: \`$ac_old_val'" >&5 +$as_echo "$as_me: former value: \`$ac_old_val'" >&2;} + { $as_echo "$as_me:${as_lineno-$LINENO}: current value: \`$ac_new_val'" >&5 +$as_echo "$as_me: current value: \`$ac_new_val'" >&2;} + fi;; + esac + # Pass precious variables to config.status. + if test "$ac_new_set" = set; then + case $ac_new_val in + *\'*) ac_arg=$ac_var=`$as_echo "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;; + *) ac_arg=$ac_var=$ac_new_val ;; + esac + case " $ac_configure_args " in + *" '$ac_arg' "*) ;; # Avoid dups. Use of quotes ensures accuracy. + *) as_fn_append ac_configure_args " '$ac_arg'" ;; + esac + fi +done +if $ac_cache_corrupted; then + { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} + { $as_echo "$as_me:${as_lineno-$LINENO}: error: changes in the environment can compromise the build" >&5 +$as_echo "$as_me: error: changes in the environment can compromise the build" >&2;} + as_fn_error $? "run \`make distclean' and/or \`rm $cache_file' and start over" "$LINENO" 5 +fi +## -------------------- ## +## Main body of script. ## +## -------------------- ## + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + + + + + + + + +rev=1 + + +srcroot=$srcdir +if test "x${srcroot}" = "x." ; then + srcroot="" +else + srcroot="${srcroot}/" +fi + +abs_srcroot="`cd \"${srcdir}\"; pwd`/" + + +objroot="" + +abs_objroot="`pwd`/" + + +if test "x$prefix" = "xNONE" ; then + prefix="/usr/local" +fi +if test "x$exec_prefix" = "xNONE" ; then + exec_prefix=$prefix +fi +PREFIX=$prefix + +BINDIR=`eval echo $bindir` +BINDIR=`eval echo $BINDIR` + +INCLUDEDIR=`eval echo $includedir` +INCLUDEDIR=`eval echo $INCLUDEDIR` + +LIBDIR=`eval echo $libdir` +LIBDIR=`eval echo $LIBDIR` + +DATADIR=`eval echo $datadir` +DATADIR=`eval echo $DATADIR` + +MANDIR=`eval echo $mandir` +MANDIR=`eval echo $MANDIR` + + +# Extract the first word of "xsltproc", so it can be a program name with args. +set dummy xsltproc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_path_XSLTPROC+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $XSLTPROC in + [\\/]* | ?:[\\/]*) + ac_cv_path_XSLTPROC="$XSLTPROC" # Let the user override the test with a path. + ;; + *) + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_path_XSLTPROC="$as_dir/$ac_word$ac_exec_ext" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + + ;; +esac +fi +XSLTPROC=$ac_cv_path_XSLTPROC +if test -n "$XSLTPROC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $XSLTPROC" >&5 +$as_echo "$XSLTPROC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +if test -d "/usr/share/xml/docbook/stylesheet/docbook-xsl" ; then + DEFAULT_XSLROOT="/usr/share/xml/docbook/stylesheet/docbook-xsl" +elif test -d "/usr/share/sgml/docbook/xsl-stylesheets" ; then + DEFAULT_XSLROOT="/usr/share/sgml/docbook/xsl-stylesheets" +else + DEFAULT_XSLROOT="" +fi + +# Check whether --with-xslroot was given. +if test "${with_xslroot+set}" = set; then : + withval=$with_xslroot; +if test "x$with_xslroot" = "xno" ; then + XSLROOT="${DEFAULT_XSLROOT}" +else + XSLROOT="${with_xslroot}" +fi + +else + XSLROOT="${DEFAULT_XSLROOT}" + +fi + + + +CFLAGS=$CFLAGS +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args. +set dummy ${ac_tool_prefix}gcc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_CC="${ac_tool_prefix}gcc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_CC"; then + ac_ct_CC=$CC + # Extract the first word of "gcc", so it can be a program name with args. +set dummy gcc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_ac_ct_CC="gcc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 +$as_echo "$ac_ct_CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_CC" = x; then + CC="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + CC=$ac_ct_CC + fi +else + CC="$ac_cv_prog_CC" +fi + +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args. +set dummy ${ac_tool_prefix}cc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_CC="${ac_tool_prefix}cc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + fi +fi +if test -z "$CC"; then + # Extract the first word of "cc", so it can be a program name with args. +set dummy cc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else + ac_prog_rejected=no +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then + ac_prog_rejected=yes + continue + fi + ac_cv_prog_CC="cc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +if test $ac_prog_rejected = yes; then + # We found a bogon in the path, so make sure we never use it. + set dummy $ac_cv_prog_CC + shift + if test $# != 0; then + # We chose a different compiler from the bogus one. + # However, it has the same basename, so the bogon will be chosen + # first if we set CC to just the basename; use the full file name. + shift + ac_cv_prog_CC="$as_dir/$ac_word${1+' '}$@" + fi +fi +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + for ac_prog in cl.exe + do + # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. +set dummy $ac_tool_prefix$ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_CC="$ac_tool_prefix$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$CC" && break + done +fi +if test -z "$CC"; then + ac_ct_CC=$CC + for ac_prog in cl.exe +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_ac_ct_CC="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 +$as_echo "$ac_ct_CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$ac_ct_CC" && break +done + + if test "x$ac_ct_CC" = x; then + CC="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + CC=$ac_ct_CC + fi +fi + +fi + + +test -z "$CC" && { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "no acceptable C compiler found in \$PATH +See \`config.log' for more details" "$LINENO" 5; } + +# Provide some information about the compiler. +$as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5 +set X $ac_compile +ac_compiler=$2 +for ac_option in --version -v -V -qversion; do + { { ac_try="$ac_compiler $ac_option >&5" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_compiler $ac_option >&5") 2>conftest.err + ac_status=$? + if test -s conftest.err; then + sed '10a\ +... rest of stderr output deleted ... + 10q' conftest.err >conftest.er1 + cat conftest.er1 >&5 + fi + rm -f conftest.er1 conftest.err + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } +done + +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +ac_clean_files_save=$ac_clean_files +ac_clean_files="$ac_clean_files a.out a.out.dSYM a.exe b.out" +# Try to create an executable without -o first, disregard a.out. +# It will help us diagnose broken compilers, and finding out an intuition +# of exeext. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C compiler works" >&5 +$as_echo_n "checking whether the C compiler works... " >&6; } +ac_link_default=`$as_echo "$ac_link" | sed 's/ -o *conftest[^ ]*//'` + +# The possible output files: +ac_files="a.out conftest.exe conftest a.exe a_out.exe b.out conftest.*" + +ac_rmfiles= +for ac_file in $ac_files +do + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;; + * ) ac_rmfiles="$ac_rmfiles $ac_file";; + esac +done +rm -f $ac_rmfiles + +if { { ac_try="$ac_link_default" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_link_default") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then : + # Autoconf-2.13 could set the ac_cv_exeext variable to `no'. +# So ignore a value of `no', otherwise this would lead to `EXEEXT = no' +# in a Makefile. We should not override ac_cv_exeext if it was cached, +# so that the user can short-circuit this test for compilers unknown to +# Autoconf. +for ac_file in $ac_files '' +do + test -f "$ac_file" || continue + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) + ;; + [ab].out ) + # We found the default executable, but exeext='' is most + # certainly right. + break;; + *.* ) + if test "${ac_cv_exeext+set}" = set && test "$ac_cv_exeext" != no; + then :; else + ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'` + fi + # We set ac_cv_exeext here because the later test for it is not + # safe: cross compilers may not add the suffix if given an `-o' + # argument, so we may need to know it at that point already. + # Even if this section looks crufty: it has the advantage of + # actually working. + break;; + * ) + break;; + esac +done +test "$ac_cv_exeext" = no && ac_cv_exeext= + +else + ac_file='' +fi +if test -z "$ac_file"; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +$as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error 77 "C compiler cannot create executables +See \`config.log' for more details" "$LINENO" 5; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler default output file name" >&5 +$as_echo_n "checking for C compiler default output file name... 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For instance with Cygwin, `ls conftest' will +# work properly (i.e., refer to `conftest.exe'), while it won't with +# `rm'. +for ac_file in conftest.exe conftest conftest.*; do + test -f "$ac_file" || continue + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;; + *.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'` + break;; + * ) break;; + esac +done +else + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "cannot compute suffix of executables: cannot compile and link +See \`config.log' for more details" "$LINENO" 5; } +fi +rm -f conftest conftest$ac_cv_exeext +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_exeext" >&5 +$as_echo "$ac_cv_exeext" >&6; } + +rm -f conftest.$ac_ext +EXEEXT=$ac_cv_exeext +ac_exeext=$EXEEXT +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +int +main () +{ +FILE *f = fopen ("conftest.out", "w"); + return ferror (f) || fclose (f) != 0; + + ; + return 0; +} +_ACEOF +ac_clean_files="$ac_clean_files conftest.out" +# Check that the compiler produces executables we can run. If not, either +# the compiler is broken, or we cross compile. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are cross compiling" >&5 +$as_echo_n "checking whether we are cross compiling... " >&6; } +if test "$cross_compiling" != yes; then + { { ac_try="$ac_link" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_link") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + if { ac_try='./conftest$ac_cv_exeext' + { { case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_try") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then + cross_compiling=no + else + if test "$cross_compiling" = maybe; then + cross_compiling=yes + else + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "cannot run C compiled programs. +If you meant to cross compile, use \`--host'. +See \`config.log' for more details" "$LINENO" 5; } + fi + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $cross_compiling" >&5 +$as_echo "$cross_compiling" >&6; } + +rm -f conftest.$ac_ext conftest$ac_cv_exeext conftest.out +ac_clean_files=$ac_clean_files_save +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of object files" >&5 +$as_echo_n "checking for suffix of object files... " >&6; } +if ${ac_cv_objext+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +rm -f conftest.o conftest.obj +if { { ac_try="$ac_compile" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_compile") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then : + for ac_file in conftest.o conftest.obj conftest.*; do + test -f "$ac_file" || continue; + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM ) ;; + *) ac_cv_objext=`expr "$ac_file" : '.*\.\(.*\)'` + break;; + esac +done +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "cannot compute suffix of object files: cannot compile +See \`config.log' for more details" "$LINENO" 5; } +fi +rm -f conftest.$ac_cv_objext conftest.$ac_ext +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_objext" >&5 +$as_echo "$ac_cv_objext" >&6; } +OBJEXT=$ac_cv_objext +ac_objext=$OBJEXT +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C compiler" >&5 +$as_echo_n "checking whether we are using the GNU C compiler... " >&6; } +if ${ac_cv_c_compiler_gnu+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ +#ifndef __GNUC__ + choke me +#endif + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_compiler_gnu=yes +else + ac_compiler_gnu=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +ac_cv_c_compiler_gnu=$ac_compiler_gnu + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5 +$as_echo "$ac_cv_c_compiler_gnu" >&6; } +if test $ac_compiler_gnu = yes; then + GCC=yes +else + GCC= +fi +ac_test_CFLAGS=${CFLAGS+set} +ac_save_CFLAGS=$CFLAGS +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5 +$as_echo_n "checking whether $CC accepts -g... " >&6; } +if ${ac_cv_prog_cc_g+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_save_c_werror_flag=$ac_c_werror_flag + ac_c_werror_flag=yes + ac_cv_prog_cc_g=no + CFLAGS="-g" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_prog_cc_g=yes +else + CFLAGS="" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + +else + ac_c_werror_flag=$ac_save_c_werror_flag + CFLAGS="-g" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_prog_cc_g=yes +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + ac_c_werror_flag=$ac_save_c_werror_flag +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_g" >&5 +$as_echo "$ac_cv_prog_cc_g" >&6; } +if test "$ac_test_CFLAGS" = set; then + CFLAGS=$ac_save_CFLAGS +elif test $ac_cv_prog_cc_g = yes; then + if test "$GCC" = yes; then + CFLAGS="-g -O2" + else + CFLAGS="-g" + fi +else + if test "$GCC" = yes; then + CFLAGS="-O2" + else + CFLAGS= + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $CC option to accept ISO C89" >&5 +$as_echo_n "checking for $CC option to accept ISO C89... " >&6; } +if ${ac_cv_prog_cc_c89+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_cv_prog_cc_c89=no +ac_save_CC=$CC +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +#include +#include +#include +/* Most of the following tests are stolen from RCS 5.7's src/conf.sh. */ +struct buf { int x; }; +FILE * (*rcsopen) (struct buf *, struct stat *, int); +static char *e (p, i) + char **p; + int i; +{ + return p[i]; +} +static char *f (char * (*g) (char **, int), char **p, ...) +{ + char *s; + va_list v; + va_start (v,p); + s = g (p, va_arg (v,int)); + va_end (v); + return s; +} + +/* OSF 4.0 Compaq cc is some sort of almost-ANSI by default. It has + function prototypes and stuff, but not '\xHH' hex character constants. + These don't provoke an error unfortunately, instead are silently treated + as 'x'. The following induces an error, until -std is added to get + proper ANSI mode. Curiously '\x00'!='x' always comes out true, for an + array size at least. It's necessary to write '\x00'==0 to get something + that's true only with -std. */ +int osf4_cc_array ['\x00' == 0 ? 1 : -1]; + +/* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters + inside strings and character constants. */ +#define FOO(x) 'x' +int xlc6_cc_array[FOO(a) == 'x' ? 1 : -1]; + +int test (int i, double x); +struct s1 {int (*f) (int a);}; +struct s2 {int (*f) (double a);}; +int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int); +int argc; +char **argv; +int +main () +{ +return f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1]; + ; + return 0; +} +_ACEOF +for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std \ + -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__" +do + CC="$ac_save_CC $ac_arg" + if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_prog_cc_c89=$ac_arg +fi +rm -f core conftest.err conftest.$ac_objext + test "x$ac_cv_prog_cc_c89" != "xno" && break +done +rm -f conftest.$ac_ext +CC=$ac_save_CC + +fi +# AC_CACHE_VAL +case "x$ac_cv_prog_cc_c89" in + x) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: none needed" >&5 +$as_echo "none needed" >&6; } ;; + xno) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5 +$as_echo "unsupported" >&6; } ;; + *) + CC="$CC $ac_cv_prog_cc_c89" + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5 +$as_echo "$ac_cv_prog_cc_c89" >&6; } ;; +esac +if test "x$ac_cv_prog_cc_c89" != xno; then : + +fi + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + +if test "x$GCC" != "xyes" ; then + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether compiler is MSVC" >&5 +$as_echo_n "checking whether compiler is MSVC... " >&6; } +if ${je_cv_msvc+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + +#ifndef _MSC_VER + int fail-1; +#endif + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + je_cv_msvc=yes +else + je_cv_msvc=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $je_cv_msvc" >&5 +$as_echo "$je_cv_msvc" >&6; } +fi + +if test "x$CFLAGS" = "x" ; then + no_CFLAGS="yes" + if test "x$GCC" = "xyes" ; then + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether compiler supports -std=gnu99" >&5 +$as_echo_n "checking whether compiler supports -std=gnu99... " >&6; } +TCFLAGS="${CFLAGS}" +if test "x${CFLAGS}" = "x" ; then + CFLAGS="-std=gnu99" +else + CFLAGS="${CFLAGS} -std=gnu99" +fi +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + +int +main () +{ + + return 0; + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + CFLAGS="${TCFLAGS}" + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether compiler supports -Wall" >&5 +$as_echo_n "checking whether compiler supports -Wall... " >&6; } +TCFLAGS="${CFLAGS}" +if test "x${CFLAGS}" = "x" ; then + CFLAGS="-Wall" +else + CFLAGS="${CFLAGS} -Wall" +fi +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + +int +main () +{ + + return 0; + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + CFLAGS="${TCFLAGS}" + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether compiler supports -pipe" >&5 +$as_echo_n "checking whether compiler supports -pipe... " >&6; } +TCFLAGS="${CFLAGS}" +if test "x${CFLAGS}" = "x" ; then + CFLAGS="-pipe" +else + CFLAGS="${CFLAGS} -pipe" +fi +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + +int +main () +{ + + return 0; + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + CFLAGS="${TCFLAGS}" + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether compiler supports -g3" >&5 +$as_echo_n "checking whether compiler supports -g3... " >&6; } +TCFLAGS="${CFLAGS}" +if test "x${CFLAGS}" = "x" ; then + CFLAGS="-g3" +else + CFLAGS="${CFLAGS} -g3" +fi +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + +int +main () +{ + + return 0; + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + CFLAGS="${TCFLAGS}" + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + + elif test "x$je_cv_msvc" = "xyes" ; then + CC="$CC -nologo" + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether compiler supports -Zi" >&5 +$as_echo_n "checking whether compiler supports -Zi... " >&6; } +TCFLAGS="${CFLAGS}" +if test "x${CFLAGS}" = "x" ; then + CFLAGS="-Zi" +else + CFLAGS="${CFLAGS} -Zi" +fi +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + +int +main () +{ + + return 0; + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + CFLAGS="${TCFLAGS}" + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether compiler supports -MT" >&5 +$as_echo_n "checking whether compiler supports -MT... " >&6; } +TCFLAGS="${CFLAGS}" +if test "x${CFLAGS}" = "x" ; then + CFLAGS="-MT" +else + CFLAGS="${CFLAGS} -MT" +fi +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + +int +main () +{ + + return 0; + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + CFLAGS="${TCFLAGS}" + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether compiler supports -W3" >&5 +$as_echo_n "checking whether compiler supports -W3... " >&6; } +TCFLAGS="${CFLAGS}" +if test "x${CFLAGS}" = "x" ; then + CFLAGS="-W3" +else + CFLAGS="${CFLAGS} -W3" +fi +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + +int +main () +{ + + return 0; + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + CFLAGS="${TCFLAGS}" + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + + CPPFLAGS="$CPPFLAGS -I${srcroot}/include/msvc_compat" + fi +fi +if test "x$EXTRA_CFLAGS" != "x" ; then + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether compiler supports $EXTRA_CFLAGS" >&5 +$as_echo_n "checking whether compiler supports $EXTRA_CFLAGS... " >&6; } +TCFLAGS="${CFLAGS}" +if test "x${CFLAGS}" = "x" ; then + CFLAGS="$EXTRA_CFLAGS" +else + CFLAGS="${CFLAGS} $EXTRA_CFLAGS" +fi +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + +int +main () +{ + + return 0; + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + CFLAGS="${TCFLAGS}" + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + +fi +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to run the C preprocessor" >&5 +$as_echo_n "checking how to run the C preprocessor... " >&6; } +# On Suns, sometimes $CPP names a directory. +if test -n "$CPP" && test -d "$CPP"; then + CPP= +fi +if test -z "$CPP"; then + if ${ac_cv_prog_CPP+:} false; then : + $as_echo_n "(cached) " >&6 +else + # Double quotes because CPP needs to be expanded + for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp" + do + ac_preproc_ok=false +for ac_c_preproc_warn_flag in '' yes +do + # Use a header file that comes with gcc, so configuring glibc + # with a fresh cross-compiler works. + # Prefer to if __STDC__ is defined, since + # exists even on freestanding compilers. + # On the NeXT, cc -E runs the code through the compiler's parser, + # not just through cpp. "Syntax error" is here to catch this case. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#ifdef __STDC__ +# include +#else +# include +#endif + Syntax error +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + +else + # Broken: fails on valid input. +continue +fi +rm -f conftest.err conftest.i conftest.$ac_ext + + # OK, works on sane cases. Now check whether nonexistent headers + # can be detected and how. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + # Broken: success on invalid input. +continue +else + # Passes both tests. +ac_preproc_ok=: +break +fi +rm -f conftest.err conftest.i conftest.$ac_ext + +done +# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped. +rm -f conftest.i conftest.err conftest.$ac_ext +if $ac_preproc_ok; then : + break +fi + + done + ac_cv_prog_CPP=$CPP + +fi + CPP=$ac_cv_prog_CPP +else + ac_cv_prog_CPP=$CPP +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $CPP" >&5 +$as_echo "$CPP" >&6; } +ac_preproc_ok=false +for ac_c_preproc_warn_flag in '' yes +do + # Use a header file that comes with gcc, so configuring glibc + # with a fresh cross-compiler works. + # Prefer to if __STDC__ is defined, since + # exists even on freestanding compilers. + # On the NeXT, cc -E runs the code through the compiler's parser, + # not just through cpp. "Syntax error" is here to catch this case. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#ifdef __STDC__ +# include +#else +# include +#endif + Syntax error +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + +else + # Broken: fails on valid input. +continue +fi +rm -f conftest.err conftest.i conftest.$ac_ext + + # OK, works on sane cases. Now check whether nonexistent headers + # can be detected and how. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + # Broken: success on invalid input. +continue +else + # Passes both tests. +ac_preproc_ok=: +break +fi +rm -f conftest.err conftest.i conftest.$ac_ext + +done +# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped. +rm -f conftest.i conftest.err conftest.$ac_ext +if $ac_preproc_ok; then : + +else + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "C preprocessor \"$CPP\" fails sanity check +See \`config.log' for more details" "$LINENO" 5; } +fi + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5 +$as_echo_n "checking for grep that handles long lines and -e... " >&6; } +if ${ac_cv_path_GREP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -z "$GREP"; then + ac_path_GREP_found=false + # Loop through the user's path and test for each of PROGNAME-LIST + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_prog in grep ggrep; do + for ac_exec_ext in '' $ac_executable_extensions; do + ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext" + { test -f "$ac_path_GREP" && $as_test_x "$ac_path_GREP"; } || continue +# Check for GNU ac_path_GREP and select it if it is found. + # Check for GNU $ac_path_GREP +case `"$ac_path_GREP" --version 2>&1` in +*GNU*) + ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;; +*) + ac_count=0 + $as_echo_n 0123456789 >"conftest.in" + while : + do + cat "conftest.in" "conftest.in" >"conftest.tmp" + mv "conftest.tmp" "conftest.in" + cp "conftest.in" "conftest.nl" + $as_echo 'GREP' >> "conftest.nl" + "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break + diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break + as_fn_arith $ac_count + 1 && ac_count=$as_val + if test $ac_count -gt ${ac_path_GREP_max-0}; then + # Best one so far, save it but keep looking for a better one + ac_cv_path_GREP="$ac_path_GREP" + ac_path_GREP_max=$ac_count + fi + # 10*(2^10) chars as input seems more than enough + test $ac_count -gt 10 && break + done + rm -f conftest.in conftest.tmp conftest.nl conftest.out;; +esac + + $ac_path_GREP_found && break 3 + done + done + done +IFS=$as_save_IFS + if test -z "$ac_cv_path_GREP"; then + as_fn_error $? "no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5 + fi +else + ac_cv_path_GREP=$GREP +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5 +$as_echo "$ac_cv_path_GREP" >&6; } + GREP="$ac_cv_path_GREP" + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5 +$as_echo_n "checking for egrep... " >&6; } +if ${ac_cv_path_EGREP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if echo a | $GREP -E '(a|b)' >/dev/null 2>&1 + then ac_cv_path_EGREP="$GREP -E" + else + if test -z "$EGREP"; then + ac_path_EGREP_found=false + # Loop through the user's path and test for each of PROGNAME-LIST + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_prog in egrep; do + for ac_exec_ext in '' $ac_executable_extensions; do + ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext" + { test -f "$ac_path_EGREP" && $as_test_x "$ac_path_EGREP"; } || continue +# Check for GNU ac_path_EGREP and select it if it is found. + # Check for GNU $ac_path_EGREP +case `"$ac_path_EGREP" --version 2>&1` in +*GNU*) + ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;; +*) + ac_count=0 + $as_echo_n 0123456789 >"conftest.in" + while : + do + cat "conftest.in" "conftest.in" >"conftest.tmp" + mv "conftest.tmp" "conftest.in" + cp "conftest.in" "conftest.nl" + $as_echo 'EGREP' >> "conftest.nl" + "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break + diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break + as_fn_arith $ac_count + 1 && ac_count=$as_val + if test $ac_count -gt ${ac_path_EGREP_max-0}; then + # Best one so far, save it but keep looking for a better one + ac_cv_path_EGREP="$ac_path_EGREP" + ac_path_EGREP_max=$ac_count + fi + # 10*(2^10) chars as input seems more than enough + test $ac_count -gt 10 && break + done + rm -f conftest.in conftest.tmp conftest.nl conftest.out;; +esac + + $ac_path_EGREP_found && break 3 + done + done + done +IFS=$as_save_IFS + if test -z "$ac_cv_path_EGREP"; then + as_fn_error $? "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5 + fi +else + ac_cv_path_EGREP=$EGREP +fi + + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5 +$as_echo "$ac_cv_path_EGREP" >&6; } + EGREP="$ac_cv_path_EGREP" + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5 +$as_echo_n "checking for ANSI C header files... " >&6; } +if ${ac_cv_header_stdc+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +#include +#include +#include + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_header_stdc=yes +else + ac_cv_header_stdc=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + +if test $ac_cv_header_stdc = yes; then + # SunOS 4.x string.h does not declare mem*, contrary to ANSI. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include + +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "memchr" >/dev/null 2>&1; then : + +else + ac_cv_header_stdc=no +fi +rm -f conftest* + +fi + +if test $ac_cv_header_stdc = yes; then + # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include + +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "free" >/dev/null 2>&1; then : + +else + ac_cv_header_stdc=no +fi +rm -f conftest* + +fi + +if test $ac_cv_header_stdc = yes; then + # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi. + if test "$cross_compiling" = yes; then : + : +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +#include +#if ((' ' & 0x0FF) == 0x020) +# define ISLOWER(c) ('a' <= (c) && (c) <= 'z') +# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c)) +#else +# define ISLOWER(c) \ + (('a' <= (c) && (c) <= 'i') \ + || ('j' <= (c) && (c) <= 'r') \ + || ('s' <= (c) && (c) <= 'z')) +# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c)) +#endif + +#define XOR(e, f) (((e) && !(f)) || (!(e) && (f))) +int +main () +{ + int i; + for (i = 0; i < 256; i++) + if (XOR (islower (i), ISLOWER (i)) + || toupper (i) != TOUPPER (i)) + return 2; + return 0; +} +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + +else + ac_cv_header_stdc=no +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + +fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdc" >&5 +$as_echo "$ac_cv_header_stdc" >&6; } +if test $ac_cv_header_stdc = yes; then + +$as_echo "#define STDC_HEADERS 1" >>confdefs.h + +fi + +# On IRIX 5.3, sys/types and inttypes.h are conflicting. +for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \ + inttypes.h stdint.h unistd.h +do : + as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh` +ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default +" +if eval test \"x\$"$as_ac_Header"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1 +_ACEOF + +fi + +done + + +# The cast to long int works around a bug in the HP C Compiler +# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects +# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'. +# This bug is HP SR number 8606223364. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of void *" >&5 +$as_echo_n "checking size of void *... " >&6; } +if ${ac_cv_sizeof_void_p+:} false; then : + $as_echo_n "(cached) " >&6 +else + if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (void *))" "ac_cv_sizeof_void_p" "$ac_includes_default"; then : + +else + if test "$ac_cv_type_void_p" = yes; then + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error 77 "cannot compute sizeof (void *) +See \`config.log' for more details" "$LINENO" 5; } + else + ac_cv_sizeof_void_p=0 + fi +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_void_p" >&5 +$as_echo "$ac_cv_sizeof_void_p" >&6; } + + + +cat >>confdefs.h <<_ACEOF +#define SIZEOF_VOID_P $ac_cv_sizeof_void_p +_ACEOF + + +if test "x${ac_cv_sizeof_void_p}" = "x8" ; then + LG_SIZEOF_PTR=3 +elif test "x${ac_cv_sizeof_void_p}" = "x4" ; then + LG_SIZEOF_PTR=2 +else + as_fn_error $? "Unsupported pointer size: ${ac_cv_sizeof_void_p}" "$LINENO" 5 +fi +cat >>confdefs.h <<_ACEOF +#define LG_SIZEOF_PTR $LG_SIZEOF_PTR +_ACEOF + + +# The cast to long int works around a bug in the HP C Compiler +# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects +# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'. +# This bug is HP SR number 8606223364. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of int" >&5 +$as_echo_n "checking size of int... " >&6; } +if ${ac_cv_sizeof_int+:} false; then : + $as_echo_n "(cached) " >&6 +else + if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (int))" "ac_cv_sizeof_int" "$ac_includes_default"; then : + +else + if test "$ac_cv_type_int" = yes; then + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error 77 "cannot compute sizeof (int) +See \`config.log' for more details" "$LINENO" 5; } + else + ac_cv_sizeof_int=0 + fi +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_int" >&5 +$as_echo "$ac_cv_sizeof_int" >&6; } + + + +cat >>confdefs.h <<_ACEOF +#define SIZEOF_INT $ac_cv_sizeof_int +_ACEOF + + +if test "x${ac_cv_sizeof_int}" = "x8" ; then + LG_SIZEOF_INT=3 +elif test "x${ac_cv_sizeof_int}" = "x4" ; then + LG_SIZEOF_INT=2 +else + as_fn_error $? "Unsupported int size: ${ac_cv_sizeof_int}" "$LINENO" 5 +fi +cat >>confdefs.h <<_ACEOF +#define LG_SIZEOF_INT $LG_SIZEOF_INT +_ACEOF + + +# The cast to long int works around a bug in the HP C Compiler +# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects +# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'. +# This bug is HP SR number 8606223364. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of long" >&5 +$as_echo_n "checking size of long... " >&6; } +if ${ac_cv_sizeof_long+:} false; then : + $as_echo_n "(cached) " >&6 +else + if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (long))" "ac_cv_sizeof_long" "$ac_includes_default"; then : + +else + if test "$ac_cv_type_long" = yes; then + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error 77 "cannot compute sizeof (long) +See \`config.log' for more details" "$LINENO" 5; } + else + ac_cv_sizeof_long=0 + fi +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_long" >&5 +$as_echo "$ac_cv_sizeof_long" >&6; } + + + +cat >>confdefs.h <<_ACEOF +#define SIZEOF_LONG $ac_cv_sizeof_long +_ACEOF + + +if test "x${ac_cv_sizeof_long}" = "x8" ; then + LG_SIZEOF_LONG=3 +elif test "x${ac_cv_sizeof_long}" = "x4" ; then + LG_SIZEOF_LONG=2 +else + as_fn_error $? "Unsupported long size: ${ac_cv_sizeof_long}" "$LINENO" 5 +fi +cat >>confdefs.h <<_ACEOF +#define LG_SIZEOF_LONG $LG_SIZEOF_LONG +_ACEOF + + +# The cast to long int works around a bug in the HP C Compiler +# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects +# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'. +# This bug is HP SR number 8606223364. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of intmax_t" >&5 +$as_echo_n "checking size of intmax_t... " >&6; } +if ${ac_cv_sizeof_intmax_t+:} false; then : + $as_echo_n "(cached) " >&6 +else + if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (intmax_t))" "ac_cv_sizeof_intmax_t" "$ac_includes_default"; then : + +else + if test "$ac_cv_type_intmax_t" = yes; then + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error 77 "cannot compute sizeof (intmax_t) +See \`config.log' for more details" "$LINENO" 5; } + else + ac_cv_sizeof_intmax_t=0 + fi +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_intmax_t" >&5 +$as_echo "$ac_cv_sizeof_intmax_t" >&6; } + + + +cat >>confdefs.h <<_ACEOF +#define SIZEOF_INTMAX_T $ac_cv_sizeof_intmax_t +_ACEOF + + +if test "x${ac_cv_sizeof_intmax_t}" = "x16" ; then + LG_SIZEOF_INTMAX_T=4 +elif test "x${ac_cv_sizeof_intmax_t}" = "x8" ; then + LG_SIZEOF_INTMAX_T=3 +elif test "x${ac_cv_sizeof_intmax_t}" = "x4" ; then + LG_SIZEOF_INTMAX_T=2 +else + as_fn_error $? "Unsupported intmax_t size: ${ac_cv_sizeof_intmax_t}" "$LINENO" 5 +fi +cat >>confdefs.h <<_ACEOF +#define LG_SIZEOF_INTMAX_T $LG_SIZEOF_INTMAX_T +_ACEOF + + +ac_aux_dir= +for ac_dir in "$srcdir" "$srcdir/.." "$srcdir/../.."; do + if test -f "$ac_dir/install-sh"; then + ac_aux_dir=$ac_dir + ac_install_sh="$ac_aux_dir/install-sh -c" + break + elif test -f "$ac_dir/install.sh"; then + ac_aux_dir=$ac_dir + ac_install_sh="$ac_aux_dir/install.sh -c" + break + elif test -f "$ac_dir/shtool"; then + ac_aux_dir=$ac_dir + ac_install_sh="$ac_aux_dir/shtool install -c" + break + fi +done +if test -z "$ac_aux_dir"; then + as_fn_error $? "cannot find install-sh, install.sh, or shtool in \"$srcdir\" \"$srcdir/..\" \"$srcdir/../..\"" "$LINENO" 5 +fi + +# These three variables are undocumented and unsupported, +# and are intended to be withdrawn in a future Autoconf release. +# They can cause serious problems if a builder's source tree is in a directory +# whose full name contains unusual characters. +ac_config_guess="$SHELL $ac_aux_dir/config.guess" # Please don't use this var. +ac_config_sub="$SHELL $ac_aux_dir/config.sub" # Please don't use this var. +ac_configure="$SHELL $ac_aux_dir/configure" # Please don't use this var. + + +# Make sure we can run config.sub. +$SHELL "$ac_aux_dir/config.sub" sun4 >/dev/null 2>&1 || + as_fn_error $? "cannot run $SHELL $ac_aux_dir/config.sub" "$LINENO" 5 + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking build system type" >&5 +$as_echo_n "checking build system type... " >&6; } +if ${ac_cv_build+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_build_alias=$build_alias +test "x$ac_build_alias" = x && + ac_build_alias=`$SHELL "$ac_aux_dir/config.guess"` +test "x$ac_build_alias" = x && + as_fn_error $? "cannot guess build type; you must specify one" "$LINENO" 5 +ac_cv_build=`$SHELL "$ac_aux_dir/config.sub" $ac_build_alias` || + as_fn_error $? "$SHELL $ac_aux_dir/config.sub $ac_build_alias failed" "$LINENO" 5 + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_build" >&5 +$as_echo "$ac_cv_build" >&6; } +case $ac_cv_build in +*-*-*) ;; +*) as_fn_error $? "invalid value of canonical build" "$LINENO" 5;; +esac +build=$ac_cv_build +ac_save_IFS=$IFS; IFS='-' +set x $ac_cv_build +shift +build_cpu=$1 +build_vendor=$2 +shift; shift +# Remember, the first character of IFS is used to create $*, +# except with old shells: +build_os=$* +IFS=$ac_save_IFS +case $build_os in *\ *) build_os=`echo "$build_os" | sed 's/ /-/g'`;; esac + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking host system type" >&5 +$as_echo_n "checking host system type... " >&6; } +if ${ac_cv_host+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test "x$host_alias" = x; then + ac_cv_host=$ac_cv_build +else + ac_cv_host=`$SHELL "$ac_aux_dir/config.sub" $host_alias` || + as_fn_error $? "$SHELL $ac_aux_dir/config.sub $host_alias failed" "$LINENO" 5 +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_host" >&5 +$as_echo "$ac_cv_host" >&6; } +case $ac_cv_host in +*-*-*) ;; +*) as_fn_error $? "invalid value of canonical host" "$LINENO" 5;; +esac +host=$ac_cv_host +ac_save_IFS=$IFS; IFS='-' +set x $ac_cv_host +shift +host_cpu=$1 +host_vendor=$2 +shift; shift +# Remember, the first character of IFS is used to create $*, +# except with old shells: +host_os=$* +IFS=$ac_save_IFS +case $host_os in *\ *) host_os=`echo "$host_os" | sed 's/ /-/g'`;; esac + + +CPU_SPINWAIT="" +case "${host_cpu}" in + i[345]86) + ;; + i686) + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether __asm__ is compilable" >&5 +$as_echo_n "checking whether __asm__ is compilable... " >&6; } +if ${je_cv_asm+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ +__asm__ volatile("pause"); return 0; + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + je_cv_asm=yes +else + je_cv_asm=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $je_cv_asm" >&5 +$as_echo "$je_cv_asm" >&6; } + + if test "x${je_cv_asm}" = "xyes" ; then + CPU_SPINWAIT='__asm__ volatile("pause")' + fi + ;; + x86_64) + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether __asm__ syntax is compilable" >&5 +$as_echo_n "checking whether __asm__ syntax is compilable... " >&6; } +if ${je_cv_asm+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ +__asm__ volatile("pause"); return 0; + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + je_cv_asm=yes +else + je_cv_asm=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $je_cv_asm" >&5 +$as_echo "$je_cv_asm" >&6; } + + if test "x${je_cv_asm}" = "xyes" ; then + CPU_SPINWAIT='__asm__ volatile("pause")' + fi + ;; + *) + ;; +esac +cat >>confdefs.h <<_ACEOF +#define CPU_SPINWAIT $CPU_SPINWAIT +_ACEOF + + +LD_PRELOAD_VAR="LD_PRELOAD" +so="so" +importlib="${so}" +o="$ac_objext" +a="a" +exe="$ac_exeext" +libprefix="lib" +DSO_LDFLAGS='-shared -Wl,-soname,$(@F)' +RPATH='-Wl,-rpath,$(1)' +SOREV="${so}.${rev}" +PIC_CFLAGS='-fPIC -DPIC' +CTARGET='-o $@' +LDTARGET='-o $@' +EXTRA_LDFLAGS= +MKLIB='ar crus $@' +CC_MM=1 + +default_munmap="1" +JEMALLOC_USABLE_SIZE_CONST="const" +case "${host}" in + *-*-darwin*) + CFLAGS="$CFLAGS" + abi="macho" + $as_echo "#define JEMALLOC_PURGE_MADVISE_FREE " >>confdefs.h + + RPATH="" + LD_PRELOAD_VAR="DYLD_INSERT_LIBRARIES" + so="dylib" + importlib="${so}" + force_tls="0" + DSO_LDFLAGS='-shared -Wl,-dylib_install_name,$(@F)' + SOREV="${rev}.${so}" + ;; + *-*-freebsd*) + CFLAGS="$CFLAGS" + abi="elf" + $as_echo "#define JEMALLOC_PURGE_MADVISE_FREE " >>confdefs.h + + force_lazy_lock="1" + ;; + *-*-linux*) + CFLAGS="$CFLAGS" + CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE" + abi="elf" + $as_echo "#define JEMALLOC_PURGE_MADVISE_DONTNEED " >>confdefs.h + + $as_echo "#define JEMALLOC_THREADED_INIT " >>confdefs.h + + JEMALLOC_USABLE_SIZE_CONST="" + default_munmap="0" + ;; + *-*-netbsd*) + { $as_echo "$as_me:${as_lineno-$LINENO}: checking ABI" >&5 +$as_echo_n "checking ABI... " >&6; } + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#ifdef __ELF__ +/* ELF */ +#else +#error aout +#endif + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + CFLAGS="$CFLAGS"; abi="elf" +else + abi="aout" +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $abi" >&5 +$as_echo "$abi" >&6; } + $as_echo "#define JEMALLOC_PURGE_MADVISE_FREE " >>confdefs.h + + ;; + *-*-solaris2*) + CFLAGS="$CFLAGS" + abi="elf" + RPATH='-Wl,-R,$(1)' + CPPFLAGS="$CPPFLAGS -D_POSIX_PTHREAD_SEMANTICS" + LIBS="$LIBS -lposix4 -lsocket -lnsl" + ;; + *-ibm-aix*) + if "$LG_SIZEOF_PTR" = "8"; then + LD_PRELOAD_VAR="LDR_PRELOAD64" + else + LD_PRELOAD_VAR="LDR_PRELOAD" + fi + abi="xcoff" + ;; + *-*-mingw*) + abi="pecoff" + force_tls="0" + RPATH="" + so="dll" + if test "x$je_cv_msvc" = "xyes" ; then + importlib="lib" + DSO_LDFLAGS="-LD" + EXTRA_LDFLAGS="-link -DEBUG" + CTARGET='-Fo$@' + LDTARGET='-Fe$@' + MKLIB='lib -nologo -out:$@' + CC_MM= + else + importlib="${so}" + DSO_LDFLAGS="-shared" + fi + a="lib" + libprefix="" + SOREV="${so}" + PIC_CFLAGS="" + ;; + *) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: Unsupported operating system: ${host}" >&5 +$as_echo "Unsupported operating system: ${host}" >&6; } + abi="elf" + ;; +esac +cat >>confdefs.h <<_ACEOF +#define JEMALLOC_USABLE_SIZE_CONST $JEMALLOC_USABLE_SIZE_CONST +_ACEOF + + + + + + + + + + + + + + + + + + + +if test "x$abi" != "xpecoff"; then + LIBS="$LIBS -lm" +fi + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether __attribute__ syntax is compilable" >&5 +$as_echo_n "checking whether __attribute__ syntax is compilable... " >&6; } +if ${je_cv_attribute+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +static __attribute__((unused)) void foo(void){} +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + je_cv_attribute=yes +else + je_cv_attribute=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $je_cv_attribute" >&5 +$as_echo "$je_cv_attribute" >&6; } + +if test "x${je_cv_attribute}" = "xyes" ; then + $as_echo "#define JEMALLOC_HAVE_ATTR " >>confdefs.h + + if test "x${GCC}" = "xyes" -a "x${abi}" = "xelf"; then + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether compiler supports -fvisibility=hidden" >&5 +$as_echo_n "checking whether compiler supports -fvisibility=hidden... " >&6; } +TCFLAGS="${CFLAGS}" +if test "x${CFLAGS}" = "x" ; then + CFLAGS="-fvisibility=hidden" +else + CFLAGS="${CFLAGS} -fvisibility=hidden" +fi +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + +int +main () +{ + + return 0; + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + CFLAGS="${TCFLAGS}" + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + + fi +fi +SAVED_CFLAGS="${CFLAGS}" + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether compiler supports -Werror" >&5 +$as_echo_n "checking whether compiler supports -Werror... " >&6; } +TCFLAGS="${CFLAGS}" +if test "x${CFLAGS}" = "x" ; then + CFLAGS="-Werror" +else + CFLAGS="${CFLAGS} -Werror" +fi +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + +int +main () +{ + + return 0; + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + CFLAGS="${TCFLAGS}" + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether tls_model attribute is compilable" >&5 +$as_echo_n "checking whether tls_model attribute is compilable... " >&6; } +if ${je_cv_tls_model+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ +static __thread int + __attribute__((tls_model("initial-exec"))) foo; + foo = 0; + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + je_cv_tls_model=yes +else + je_cv_tls_model=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $je_cv_tls_model" >&5 +$as_echo "$je_cv_tls_model" >&6; } + +CFLAGS="${SAVED_CFLAGS}" +if test "x${je_cv_tls_model}" = "xyes" ; then + $as_echo "#define JEMALLOC_TLS_MODEL __attribute__((tls_model(\"initial-exec\")))" >>confdefs.h + +else + $as_echo "#define JEMALLOC_TLS_MODEL " >>confdefs.h + +fi + + +# Check whether --with-rpath was given. +if test "${with_rpath+set}" = set; then : + withval=$with_rpath; if test "x$with_rpath" = "xno" ; then + RPATH_EXTRA= +else + RPATH_EXTRA="`echo $with_rpath | tr \":\" \" \"`" +fi +else + RPATH_EXTRA= + +fi + + + +# Check whether --enable-autogen was given. +if test "${enable_autogen+set}" = set; then : + enableval=$enable_autogen; if test "x$enable_autogen" = "xno" ; then + enable_autogen="0" +else + enable_autogen="1" +fi + +else + enable_autogen="0" + +fi + + + +# Find a good install program. We prefer a C program (faster), +# so one script is as good as another. But avoid the broken or +# incompatible versions: +# SysV /etc/install, /usr/sbin/install +# SunOS /usr/etc/install +# IRIX /sbin/install +# AIX /bin/install +# AmigaOS /C/install, which installs bootblocks on floppy discs +# AIX 4 /usr/bin/installbsd, which doesn't work without a -g flag +# AFS /usr/afsws/bin/install, which mishandles nonexistent args +# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff" +# OS/2's system install, which has a completely different semantic +# ./install, which can be erroneously created by make from ./install.sh. +# Reject install programs that cannot install multiple files. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a BSD-compatible install" >&5 +$as_echo_n "checking for a BSD-compatible install... " >&6; } +if test -z "$INSTALL"; then +if ${ac_cv_path_install+:} false; then : + $as_echo_n "(cached) " >&6 +else + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + # Account for people who put trailing slashes in PATH elements. +case $as_dir/ in #(( + ./ | .// | /[cC]/* | \ + /etc/* | /usr/sbin/* | /usr/etc/* | /sbin/* | /usr/afsws/bin/* | \ + ?:[\\/]os2[\\/]install[\\/]* | ?:[\\/]OS2[\\/]INSTALL[\\/]* | \ + /usr/ucb/* ) ;; + *) + # OSF1 and SCO ODT 3.0 have their own names for install. + # Don't use installbsd from OSF since it installs stuff as root + # by default. + for ac_prog in ginstall scoinst install; do + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_prog$ac_exec_ext" && $as_test_x "$as_dir/$ac_prog$ac_exec_ext"; }; then + if test $ac_prog = install && + grep dspmsg "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then + # AIX install. It has an incompatible calling convention. + : + elif test $ac_prog = install && + grep pwplus "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then + # program-specific install script used by HP pwplus--don't use. + : + else + rm -rf conftest.one conftest.two conftest.dir + echo one > conftest.one + echo two > conftest.two + mkdir conftest.dir + if "$as_dir/$ac_prog$ac_exec_ext" -c conftest.one conftest.two "`pwd`/conftest.dir" && + test -s conftest.one && test -s conftest.two && + test -s conftest.dir/conftest.one && + test -s conftest.dir/conftest.two + then + ac_cv_path_install="$as_dir/$ac_prog$ac_exec_ext -c" + break 3 + fi + fi + fi + done + done + ;; +esac + + done +IFS=$as_save_IFS + +rm -rf conftest.one conftest.two conftest.dir + +fi + if test "${ac_cv_path_install+set}" = set; then + INSTALL=$ac_cv_path_install + else + # As a last resort, use the slow shell script. Don't cache a + # value for INSTALL within a source directory, because that will + # break other packages using the cache if that directory is + # removed, or if the value is a relative name. + INSTALL=$ac_install_sh + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $INSTALL" >&5 +$as_echo "$INSTALL" >&6; } + +# Use test -z because SunOS4 sh mishandles braces in ${var-val}. +# It thinks the first close brace ends the variable substitution. +test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}' + +test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}' + +test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644' + +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args. +set dummy ${ac_tool_prefix}ranlib; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_RANLIB+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$RANLIB"; then + ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +RANLIB=$ac_cv_prog_RANLIB +if test -n "$RANLIB"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $RANLIB" >&5 +$as_echo "$RANLIB" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_RANLIB"; then + ac_ct_RANLIB=$RANLIB + # Extract the first word of "ranlib", so it can be a program name with args. +set dummy ranlib; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_RANLIB+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_RANLIB"; then + ac_cv_prog_ac_ct_RANLIB="$ac_ct_RANLIB" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_ac_ct_RANLIB="ranlib" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB +if test -n "$ac_ct_RANLIB"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_RANLIB" >&5 +$as_echo "$ac_ct_RANLIB" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_RANLIB" = x; then + RANLIB=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + RANLIB=$ac_ct_RANLIB + fi +else + RANLIB="$ac_cv_prog_RANLIB" +fi + +# Extract the first word of "ar", so it can be a program name with args. +set dummy ar; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_path_AR+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $AR in + [\\/]* | ?:[\\/]*) + ac_cv_path_AR="$AR" # Let the user override the test with a path. + ;; + *) + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_path_AR="$as_dir/$ac_word$ac_exec_ext" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + + ;; +esac +fi +AR=$ac_cv_path_AR +if test -n "$AR"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AR" >&5 +$as_echo "$AR" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +# Extract the first word of "ld", so it can be a program name with args. +set dummy ld; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_path_LD+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $LD in + [\\/]* | ?:[\\/]*) + ac_cv_path_LD="$LD" # Let the user override the test with a path. + ;; + *) + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_path_LD="$as_dir/$ac_word$ac_exec_ext" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + + ;; +esac +fi +LD=$ac_cv_path_LD +if test -n "$LD"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LD" >&5 +$as_echo "$LD" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +# Extract the first word of "autoconf", so it can be a program name with args. +set dummy autoconf; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_path_AUTOCONF+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $AUTOCONF in + [\\/]* | ?:[\\/]*) + ac_cv_path_AUTOCONF="$AUTOCONF" # Let the user override the test with a path. + ;; + *) + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_path_AUTOCONF="$as_dir/$ac_word$ac_exec_ext" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + + ;; +esac +fi +AUTOCONF=$ac_cv_path_AUTOCONF +if test -n "$AUTOCONF"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AUTOCONF" >&5 +$as_echo "$AUTOCONF" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + +public_syms="malloc_conf malloc_message malloc calloc posix_memalign aligned_alloc realloc free malloc_usable_size malloc_stats_print mallctl mallctlnametomib mallctlbymib" + +ac_fn_c_check_func "$LINENO" "memalign" "ac_cv_func_memalign" +if test "x$ac_cv_func_memalign" = xyes; then : + $as_echo "#define JEMALLOC_OVERRIDE_MEMALIGN " >>confdefs.h + + public_syms="${public_syms} memalign" +fi + +ac_fn_c_check_func "$LINENO" "valloc" "ac_cv_func_valloc" +if test "x$ac_cv_func_valloc" = xyes; then : + $as_echo "#define JEMALLOC_OVERRIDE_VALLOC " >>confdefs.h + + public_syms="${public_syms} valloc" +fi + + +# Check whether --enable-experimental was given. +if test "${enable_experimental+set}" = set; then : + enableval=$enable_experimental; if test "x$enable_experimental" = "xno" ; then + enable_experimental="0" +else + enable_experimental="1" +fi + +else + enable_experimental="1" + +fi + +if test "x$enable_experimental" = "x1" ; then + $as_echo "#define JEMALLOC_EXPERIMENTAL " >>confdefs.h + + public_syms="${public_syms} allocm dallocm nallocm rallocm sallocm" +fi + + + +# Check whether --with-mangling was given. +if test "${with_mangling+set}" = set; then : + withval=$with_mangling; mangling_map="$with_mangling" +else + mangling_map="" +fi + +for nm in `echo ${mangling_map} |tr ',' ' '` ; do + k="`echo ${nm} |tr ':' ' ' |awk '{print $1}'`" + n="je_${k}" + m=`echo ${nm} |tr ':' ' ' |awk '{print $2}'` + cat >>confdefs.h <<_ACEOF +#define ${n} ${m} +_ACEOF + + public_syms=`for sym in ${public_syms}; do echo "${sym}"; done |grep -v "^${k}\$" |tr '\n' ' '` +done + + +# Check whether --with-jemalloc_prefix was given. +if test "${with_jemalloc_prefix+set}" = set; then : + withval=$with_jemalloc_prefix; JEMALLOC_PREFIX="$with_jemalloc_prefix" +else + if test "x$abi" != "xmacho" -a "x$abi" != "xpecoff"; then + JEMALLOC_PREFIX="" +else + JEMALLOC_PREFIX="je_" +fi + +fi + +if test "x$JEMALLOC_PREFIX" != "x" ; then + JEMALLOC_CPREFIX=`echo ${JEMALLOC_PREFIX} | tr "a-z" "A-Z"` + cat >>confdefs.h <<_ACEOF +#define JEMALLOC_PREFIX "$JEMALLOC_PREFIX" +_ACEOF + + cat >>confdefs.h <<_ACEOF +#define JEMALLOC_CPREFIX "$JEMALLOC_CPREFIX" +_ACEOF + +fi +for stem in ${public_syms}; do + n="je_${stem}" + m="${JEMALLOC_PREFIX}${stem}" + cat >>confdefs.h <<_ACEOF +#define ${n} ${m} +_ACEOF + +done + + +# Check whether --with-private_namespace was given. +if test "${with_private_namespace+set}" = set; then : + withval=$with_private_namespace; JEMALLOC_PRIVATE_NAMESPACE="$with_private_namespace" +else + JEMALLOC_PRIVATE_NAMESPACE="" + +fi + +cat >>confdefs.h <<_ACEOF +#define JEMALLOC_PRIVATE_NAMESPACE "$JEMALLOC_PRIVATE_NAMESPACE" +_ACEOF + +if test "x$JEMALLOC_PRIVATE_NAMESPACE" != "x" ; then + cat >>confdefs.h <<_ACEOF +#define JEMALLOC_N(string_that_no_one_should_want_to_use_as_a_jemalloc_private_namespace_prefix) ${JEMALLOC_PRIVATE_NAMESPACE}##string_that_no_one_should_want_to_use_as_a_jemalloc_private_namespace_prefix +_ACEOF + +else + cat >>confdefs.h <<_ACEOF +#define JEMALLOC_N(string_that_no_one_should_want_to_use_as_a_jemalloc_private_namespace_prefix) string_that_no_one_should_want_to_use_as_a_jemalloc_private_namespace_prefix +_ACEOF + +fi + + +# Check whether --with-install_suffix was given. +if test "${with_install_suffix+set}" = set; then : + withval=$with_install_suffix; INSTALL_SUFFIX="$with_install_suffix" +else + INSTALL_SUFFIX= + +fi + +install_suffix="$INSTALL_SUFFIX" + + +cfgoutputs_in="${srcroot}Makefile.in" +cfgoutputs_in="${cfgoutputs_in} ${srcroot}doc/html.xsl.in" +cfgoutputs_in="${cfgoutputs_in} ${srcroot}doc/manpages.xsl.in" +cfgoutputs_in="${cfgoutputs_in} ${srcroot}doc/jemalloc.xml.in" +cfgoutputs_in="${cfgoutputs_in} ${srcroot}include/jemalloc/jemalloc.h.in" +cfgoutputs_in="${cfgoutputs_in} ${srcroot}include/jemalloc/internal/jemalloc_internal.h.in" +cfgoutputs_in="${cfgoutputs_in} ${srcroot}test/jemalloc_test.h.in" + +cfgoutputs_out="Makefile" +cfgoutputs_out="${cfgoutputs_out} doc/html.xsl" +cfgoutputs_out="${cfgoutputs_out} doc/manpages.xsl" +cfgoutputs_out="${cfgoutputs_out} doc/jemalloc${install_suffix}.xml" +cfgoutputs_out="${cfgoutputs_out} include/jemalloc/jemalloc${install_suffix}.h" +cfgoutputs_out="${cfgoutputs_out} include/jemalloc/internal/jemalloc_internal.h" +cfgoutputs_out="${cfgoutputs_out} test/jemalloc_test.h" + +cfgoutputs_tup="Makefile" +cfgoutputs_tup="${cfgoutputs_tup} doc/html.xsl:doc/html.xsl.in" +cfgoutputs_tup="${cfgoutputs_tup} doc/manpages.xsl:doc/manpages.xsl.in" +cfgoutputs_tup="${cfgoutputs_tup} doc/jemalloc${install_suffix}.xml:doc/jemalloc.xml.in" +cfgoutputs_tup="${cfgoutputs_tup} include/jemalloc/jemalloc${install_suffix}.h:include/jemalloc/jemalloc.h.in" +cfgoutputs_tup="${cfgoutputs_tup} include/jemalloc/internal/jemalloc_internal.h" +cfgoutputs_tup="${cfgoutputs_tup} test/jemalloc_test.h:test/jemalloc_test.h.in" + +cfghdrs_in="${srcroot}include/jemalloc/jemalloc_defs.h.in" +cfghdrs_in="${cfghdrs_in} ${srcroot}include/jemalloc/internal/size_classes.sh" + +cfghdrs_out="include/jemalloc/jemalloc_defs${install_suffix}.h" +cfghdrs_out="${cfghdrs_out} include/jemalloc/internal/size_classes.h" + +cfghdrs_tup="include/jemalloc/jemalloc_defs${install_suffix}.h:include/jemalloc/jemalloc_defs.h.in" + +# Check whether --enable-cc-silence was given. +if test "${enable_cc_silence+set}" = set; then : + enableval=$enable_cc_silence; if test "x$enable_cc_silence" = "xno" ; then + enable_cc_silence="0" +else + enable_cc_silence="1" +fi + +else + enable_cc_silence="0" + +fi + +if test "x$enable_cc_silence" = "x1" ; then + $as_echo "#define JEMALLOC_CC_SILENCE " >>confdefs.h + +fi + +# Check whether --enable-debug was given. +if test "${enable_debug+set}" = set; then : + enableval=$enable_debug; if test "x$enable_debug" = "xno" ; then + enable_debug="0" +else + enable_debug="1" +fi + +else + enable_debug="0" + +fi + +if test "x$enable_debug" = "x1" ; then + $as_echo "#define JEMALLOC_DEBUG " >>confdefs.h + + $as_echo "#define JEMALLOC_IVSALLOC " >>confdefs.h + +fi + + +if test "x$enable_debug" = "x0" -a "x$no_CFLAGS" = "xyes" ; then + optimize="no" + echo "$EXTRA_CFLAGS" | grep "\-O" >/dev/null || optimize="yes" + if test "x${optimize}" = "xyes" ; then + if test "x$GCC" = "xyes" ; then + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether compiler supports -O3" >&5 +$as_echo_n "checking whether compiler supports -O3... " >&6; } +TCFLAGS="${CFLAGS}" +if test "x${CFLAGS}" = "x" ; then + CFLAGS="-O3" +else + CFLAGS="${CFLAGS} -O3" +fi +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + +int +main () +{ + + return 0; + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + CFLAGS="${TCFLAGS}" + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether compiler supports -funroll-loops" >&5 +$as_echo_n "checking whether compiler supports -funroll-loops... " >&6; } +TCFLAGS="${CFLAGS}" +if test "x${CFLAGS}" = "x" ; then + CFLAGS="-funroll-loops" +else + CFLAGS="${CFLAGS} -funroll-loops" +fi +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + +int +main () +{ + + return 0; + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + CFLAGS="${TCFLAGS}" + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + + elif test "x$je_cv_msvc" = "xyes" ; then + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether compiler supports -O2" >&5 +$as_echo_n "checking whether compiler supports -O2... " >&6; } +TCFLAGS="${CFLAGS}" +if test "x${CFLAGS}" = "x" ; then + CFLAGS="-O2" +else + CFLAGS="${CFLAGS} -O2" +fi +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + +int +main () +{ + + return 0; + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + CFLAGS="${TCFLAGS}" + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + + else + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether compiler supports -O" >&5 +$as_echo_n "checking whether compiler supports -O... " >&6; } +TCFLAGS="${CFLAGS}" +if test "x${CFLAGS}" = "x" ; then + CFLAGS="-O" +else + CFLAGS="${CFLAGS} -O" +fi +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + +int +main () +{ + + return 0; + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + CFLAGS="${TCFLAGS}" + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + + fi + fi +fi + +# Check whether --enable-stats was given. +if test "${enable_stats+set}" = set; then : + enableval=$enable_stats; if test "x$enable_stats" = "xno" ; then + enable_stats="0" +else + enable_stats="1" +fi + +else + enable_stats="1" + +fi + +if test "x$enable_stats" = "x1" ; then + $as_echo "#define JEMALLOC_STATS " >>confdefs.h + +fi + + +# Check whether --enable-prof was given. +if test "${enable_prof+set}" = set; then : + enableval=$enable_prof; if test "x$enable_prof" = "xno" ; then + enable_prof="0" +else + enable_prof="1" +fi + +else + enable_prof="0" + +fi + +if test "x$enable_prof" = "x1" ; then + backtrace_method="" +else + backtrace_method="N/A" +fi + +# Check whether --enable-prof-libunwind was given. +if test "${enable_prof_libunwind+set}" = set; then : + enableval=$enable_prof_libunwind; if test "x$enable_prof_libunwind" = "xno" ; then + enable_prof_libunwind="0" +else + enable_prof_libunwind="1" +fi + +else + enable_prof_libunwind="0" + +fi + + +# Check whether --with-static_libunwind was given. +if test "${with_static_libunwind+set}" = set; then : + withval=$with_static_libunwind; if test "x$with_static_libunwind" = "xno" ; then + LUNWIND="-lunwind" +else + if test ! -f "$with_static_libunwind" ; then + as_fn_error $? "Static libunwind not found: $with_static_libunwind" "$LINENO" 5 + fi + LUNWIND="$with_static_libunwind" +fi +else + LUNWIND="-lunwind" + +fi + +if test "x$backtrace_method" = "x" -a "x$enable_prof_libunwind" = "x1" ; then + for ac_header in libunwind.h +do : + ac_fn_c_check_header_mongrel "$LINENO" "libunwind.h" "ac_cv_header_libunwind_h" "$ac_includes_default" +if test "x$ac_cv_header_libunwind_h" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_LIBUNWIND_H 1 +_ACEOF + +else + enable_prof_libunwind="0" +fi + +done + + if test "x$LUNWIND" = "x-lunwind" ; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for backtrace in -lunwind" >&5 +$as_echo_n "checking for backtrace in -lunwind... " >&6; } +if ${ac_cv_lib_unwind_backtrace+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-lunwind $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char backtrace (); +int +main () +{ +return backtrace (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_unwind_backtrace=yes +else + ac_cv_lib_unwind_backtrace=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_unwind_backtrace" >&5 +$as_echo "$ac_cv_lib_unwind_backtrace" >&6; } +if test "x$ac_cv_lib_unwind_backtrace" = xyes; then : + LIBS="$LIBS $LUNWIND" +else + enable_prof_libunwind="0" +fi + + else + LIBS="$LIBS $LUNWIND" + fi + if test "x${enable_prof_libunwind}" = "x1" ; then + backtrace_method="libunwind" + $as_echo "#define JEMALLOC_PROF_LIBUNWIND " >>confdefs.h + + fi +fi + +# Check whether --enable-prof-libgcc was given. +if test "${enable_prof_libgcc+set}" = set; then : + enableval=$enable_prof_libgcc; if test "x$enable_prof_libgcc" = "xno" ; then + enable_prof_libgcc="0" +else + enable_prof_libgcc="1" +fi + +else + enable_prof_libgcc="1" + +fi + +if test "x$backtrace_method" = "x" -a "x$enable_prof_libgcc" = "x1" \ + -a "x$GCC" = "xyes" ; then + for ac_header in unwind.h +do : + ac_fn_c_check_header_mongrel "$LINENO" "unwind.h" "ac_cv_header_unwind_h" "$ac_includes_default" +if test "x$ac_cv_header_unwind_h" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_UNWIND_H 1 +_ACEOF + +else + enable_prof_libgcc="0" +fi + +done + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _Unwind_Backtrace in -lgcc" >&5 +$as_echo_n "checking for _Unwind_Backtrace in -lgcc... " >&6; } +if ${ac_cv_lib_gcc__Unwind_Backtrace+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-lgcc $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char _Unwind_Backtrace (); +int +main () +{ +return _Unwind_Backtrace (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_gcc__Unwind_Backtrace=yes +else + ac_cv_lib_gcc__Unwind_Backtrace=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_gcc__Unwind_Backtrace" >&5 +$as_echo "$ac_cv_lib_gcc__Unwind_Backtrace" >&6; } +if test "x$ac_cv_lib_gcc__Unwind_Backtrace" = xyes; then : + LIBS="$LIBS -lgcc" +else + enable_prof_libgcc="0" +fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking libgcc-based backtracing reliability on ${host_cpu}" >&5 +$as_echo_n "checking libgcc-based backtracing reliability on ${host_cpu}... " >&6; } + case "${host_cpu}" in + i[3456]86) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: unreliable" >&5 +$as_echo "unreliable" >&6; } + enable_prof_libgcc="0"; + ;; + x86_64) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: reliable" >&5 +$as_echo "reliable" >&6; } + ;; + *) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: unreliable" >&5 +$as_echo "unreliable" >&6; } + enable_prof_libgcc="0"; + ;; + esac + if test "x${enable_prof_libgcc}" = "x1" ; then + backtrace_method="libgcc" + $as_echo "#define JEMALLOC_PROF_LIBGCC " >>confdefs.h + + fi +else + enable_prof_libgcc="0" +fi + +# Check whether --enable-prof-gcc was given. +if test "${enable_prof_gcc+set}" = set; then : + enableval=$enable_prof_gcc; if test "x$enable_prof_gcc" = "xno" ; then + enable_prof_gcc="0" +else + enable_prof_gcc="1" +fi + +else + enable_prof_gcc="1" + +fi + +if test "x$backtrace_method" = "x" -a "x$enable_prof_gcc" = "x1" \ + -a "x$GCC" = "xyes" ; then + backtrace_method="gcc intrinsics" + $as_echo "#define JEMALLOC_PROF_GCC " >>confdefs.h + +else + enable_prof_gcc="0" +fi + +if test "x$backtrace_method" = "x" ; then + backtrace_method="none (disabling profiling)" + enable_prof="0" +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking configured backtracing method" >&5 +$as_echo_n "checking configured backtracing method... " >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $backtrace_method" >&5 +$as_echo "$backtrace_method" >&6; } +if test "x$enable_prof" = "x1" ; then + if test "x${force_tls}" = "x0" ; then + as_fn_error $? "Heap profiling requires TLS" "$LINENO" 5; + fi + force_tls="1" + $as_echo "#define JEMALLOC_PROF " >>confdefs.h + +fi + + +# Check whether --enable-tcache was given. +if test "${enable_tcache+set}" = set; then : + enableval=$enable_tcache; if test "x$enable_tcache" = "xno" ; then + enable_tcache="0" +else + enable_tcache="1" +fi + +else + enable_tcache="1" + +fi + +if test "x$enable_tcache" = "x1" ; then + $as_echo "#define JEMALLOC_TCACHE " >>confdefs.h + +fi + + +# Check whether --enable-mremap was given. +if test "${enable_mremap+set}" = set; then : + enableval=$enable_mremap; if test "x$enable_mremap" = "xno" ; then + enable_mremap="0" +else + enable_mremap="1" +fi + +else + enable_mremap="0" + +fi + +if test "x$enable_mremap" = "x1" ; then + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether mremap(...MREMAP_FIXED...) is compilable" >&5 +$as_echo_n "checking whether mremap(...MREMAP_FIXED...) is compilable... " >&6; } +if ${je_cv_mremap_fixed+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +#define _GNU_SOURCE +#include + +int +main () +{ + +void *p = mremap((void *)0, 0, 0, MREMAP_MAYMOVE|MREMAP_FIXED, (void *)0); + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + je_cv_mremap_fixed=yes +else + je_cv_mremap_fixed=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $je_cv_mremap_fixed" >&5 +$as_echo "$je_cv_mremap_fixed" >&6; } + + if test "x${je_cv_mremap_fixed}" = "xno" ; then + enable_mremap="0" + fi +fi +if test "x$enable_mremap" = "x1" ; then + $as_echo "#define JEMALLOC_MREMAP " >>confdefs.h + +fi + + +# Check whether --enable-munmap was given. +if test "${enable_munmap+set}" = set; then : + enableval=$enable_munmap; if test "x$enable_munmap" = "xno" ; then + enable_munmap="0" +else + enable_munmap="1" +fi + +else + enable_munmap="${default_munmap}" + +fi + +if test "x$enable_munmap" = "x1" ; then + $as_echo "#define JEMALLOC_MUNMAP " >>confdefs.h + +fi + + +# Check whether --enable-dss was given. +if test "${enable_dss+set}" = set; then : + enableval=$enable_dss; if test "x$enable_dss" = "xno" ; then + enable_dss="0" +else + enable_dss="1" +fi + +else + enable_dss="0" + +fi + +ac_fn_c_check_func "$LINENO" "sbrk" "ac_cv_func_sbrk" +if test "x$ac_cv_func_sbrk" = xyes; then : + have_sbrk="1" +else + have_sbrk="0" +fi + +if test "x$have_sbrk" = "x1" ; then + $as_echo "#define JEMALLOC_HAVE_SBRK " >>confdefs.h + +else + enable_dss="0" +fi + +if test "x$enable_dss" = "x1" ; then + $as_echo "#define JEMALLOC_DSS " >>confdefs.h + +fi + + +# Check whether --enable-fill was given. +if test "${enable_fill+set}" = set; then : + enableval=$enable_fill; if test "x$enable_fill" = "xno" ; then + enable_fill="0" +else + enable_fill="1" +fi + +else + enable_fill="1" + +fi + +if test "x$enable_fill" = "x1" ; then + $as_echo "#define JEMALLOC_FILL " >>confdefs.h + +fi + + +# Check whether --enable-utrace was given. +if test "${enable_utrace+set}" = set; then : + enableval=$enable_utrace; if test "x$enable_utrace" = "xno" ; then + enable_utrace="0" +else + enable_utrace="1" +fi + +else + enable_utrace="0" + +fi + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether utrace(2) is compilable" >&5 +$as_echo_n "checking whether utrace(2) is compilable... " >&6; } +if ${je_cv_utrace+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +#include +#include +#include +#include +#include + +int +main () +{ + + utrace((void *)0, 0); + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + je_cv_utrace=yes +else + je_cv_utrace=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $je_cv_utrace" >&5 +$as_echo "$je_cv_utrace" >&6; } + +if test "x${je_cv_utrace}" = "xno" ; then + enable_utrace="0" +fi +if test "x$enable_utrace" = "x1" ; then + $as_echo "#define JEMALLOC_UTRACE " >>confdefs.h + +fi + + +# Check whether --enable-valgrind was given. +if test "${enable_valgrind+set}" = set; then : + enableval=$enable_valgrind; if test "x$enable_valgrind" = "xno" ; then + enable_valgrind="0" +else + enable_valgrind="1" +fi + +else + enable_valgrind="1" + +fi + +if test "x$enable_valgrind" = "x1" ; then + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether valgrind is compilable" >&5 +$as_echo_n "checking whether valgrind is compilable... " >&6; } +if ${je_cv_valgrind+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +#include +#include + +#if !defined(VALGRIND_RESIZEINPLACE_BLOCK) +# error "Incompatible Valgrind version" +#endif + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + je_cv_valgrind=yes +else + je_cv_valgrind=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $je_cv_valgrind" >&5 +$as_echo "$je_cv_valgrind" >&6; } + + if test "x${je_cv_valgrind}" = "xno" ; then + enable_valgrind="0" + fi + if test "x$enable_valgrind" = "x1" ; then + $as_echo "#define JEMALLOC_VALGRIND " >>confdefs.h + + fi +fi + + +# Check whether --enable-xmalloc was given. +if test "${enable_xmalloc+set}" = set; then : + enableval=$enable_xmalloc; if test "x$enable_xmalloc" = "xno" ; then + enable_xmalloc="0" +else + enable_xmalloc="1" +fi + +else + enable_xmalloc="0" + +fi + +if test "x$enable_xmalloc" = "x1" ; then + $as_echo "#define JEMALLOC_XMALLOC " >>confdefs.h + +fi + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking STATIC_PAGE_SHIFT" >&5 +$as_echo_n "checking STATIC_PAGE_SHIFT... " >&6; } +if ${je_cv_static_page_shift+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test "$cross_compiling" = yes; then : + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "cannot run test program while cross compiling +See \`config.log' for more details" "$LINENO" 5; } +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +#include +#ifdef _WIN32 +#include +#else +#include +#endif +#include + +int +main () +{ + + long result; + FILE *f; + +#ifdef _WIN32 + SYSTEM_INFO si; + GetSystemInfo(&si); + result = si.dwPageSize; +#else + result = sysconf(_SC_PAGESIZE); +#endif + if (result == -1) { + return 1; + } + result = ffsl(result) - 1; + + f = fopen("conftest.out", "w"); + if (f == NULL) { + return 1; + } + fprintf(f, "%u\n", result); + fclose(f); + + return 0; + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + je_cv_static_page_shift=`cat conftest.out` +else + je_cv_static_page_shift=undefined +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $je_cv_static_page_shift" >&5 +$as_echo "$je_cv_static_page_shift" >&6; } + +if test "x$je_cv_static_page_shift" != "xundefined"; then + cat >>confdefs.h <<_ACEOF +#define STATIC_PAGE_SHIFT $je_cv_static_page_shift +_ACEOF + +else + as_fn_error $? "cannot determine value for STATIC_PAGE_SHIFT" "$LINENO" 5 +fi + + +if test -d "${srcroot}.git" ; then + git describe --long --abbrev=40 > ${srcroot}VERSION +fi +jemalloc_version=`cat ${srcroot}VERSION` +jemalloc_version_major=`echo ${jemalloc_version} | tr ".g-" " " | awk '{print $1}'` +jemalloc_version_minor=`echo ${jemalloc_version} | tr ".g-" " " | awk '{print $2}'` +jemalloc_version_bugfix=`echo ${jemalloc_version} | tr ".g-" " " | awk '{print $3}'` +jemalloc_version_nrev=`echo ${jemalloc_version} | tr ".g-" " " | awk '{print $4}'` +jemalloc_version_gid=`echo ${jemalloc_version} | tr ".g-" " " | awk '{print $5}'` + + + + + + + + +if test "x$abi" != "xpecoff" ; then + for ac_header in pthread.h +do : + ac_fn_c_check_header_mongrel "$LINENO" "pthread.h" "ac_cv_header_pthread_h" "$ac_includes_default" +if test "x$ac_cv_header_pthread_h" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_PTHREAD_H 1 +_ACEOF + +else + as_fn_error $? "pthread.h is missing" "$LINENO" 5 +fi + +done + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for pthread_create in -lpthread" >&5 +$as_echo_n "checking for pthread_create in -lpthread... " >&6; } +if ${ac_cv_lib_pthread_pthread_create+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-lpthread $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char pthread_create (); +int +main () +{ +return pthread_create (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_pthread_pthread_create=yes +else + ac_cv_lib_pthread_pthread_create=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_pthread_pthread_create" >&5 +$as_echo "$ac_cv_lib_pthread_pthread_create" >&6; } +if test "x$ac_cv_lib_pthread_pthread_create" = xyes; then : + LIBS="$LIBS -lpthread" +else + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing pthread_create" >&5 +$as_echo_n "checking for library containing pthread_create... " >&6; } +if ${ac_cv_search_pthread_create+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char pthread_create (); +int +main () +{ +return pthread_create (); + ; + return 0; +} +_ACEOF +for ac_lib in '' ; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_pthread_create=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if ${ac_cv_search_pthread_create+:} false; then : + break +fi +done +if ${ac_cv_search_pthread_create+:} false; then : + +else + ac_cv_search_pthread_create=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_pthread_create" >&5 +$as_echo "$ac_cv_search_pthread_create" >&6; } +ac_res=$ac_cv_search_pthread_create +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + as_fn_error $? "libpthread is missing" "$LINENO" 5 +fi + +fi + +fi + +CPPFLAGS="$CPPFLAGS -D_REENTRANT" + +ac_fn_c_check_func "$LINENO" "_malloc_thread_cleanup" "ac_cv_func__malloc_thread_cleanup" +if test "x$ac_cv_func__malloc_thread_cleanup" = xyes; then : + have__malloc_thread_cleanup="1" +else + have__malloc_thread_cleanup="0" + +fi + +if test "x$have__malloc_thread_cleanup" = "x1" ; then + $as_echo "#define JEMALLOC_MALLOC_THREAD_CLEANUP " >>confdefs.h + + force_tls="1" +fi + +ac_fn_c_check_func "$LINENO" "_pthread_mutex_init_calloc_cb" "ac_cv_func__pthread_mutex_init_calloc_cb" +if test "x$ac_cv_func__pthread_mutex_init_calloc_cb" = xyes; then : + have__pthread_mutex_init_calloc_cb="1" +else + have__pthread_mutex_init_calloc_cb="0" + +fi + +if test "x$have__pthread_mutex_init_calloc_cb" = "x1" ; then + $as_echo "#define JEMALLOC_MUTEX_INIT_CB 1" >>confdefs.h + +fi + +# Check whether --enable-lazy_lock was given. +if test "${enable_lazy_lock+set}" = set; then : + enableval=$enable_lazy_lock; if test "x$enable_lazy_lock" = "xno" ; then + enable_lazy_lock="0" +else + enable_lazy_lock="1" +fi + +else + enable_lazy_lock="0" + +fi + +if test "x$enable_lazy_lock" = "x0" -a "x${force_lazy_lock}" = "x1" ; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: Forcing lazy-lock to avoid allocator/threading bootstrap issues" >&5 +$as_echo "Forcing lazy-lock to avoid allocator/threading bootstrap issues" >&6; } + enable_lazy_lock="1" +fi +if test "x$enable_lazy_lock" = "x1" ; then + if test "x$abi" != "xpecoff" ; then + for ac_header in dlfcn.h +do : + ac_fn_c_check_header_mongrel "$LINENO" "dlfcn.h" "ac_cv_header_dlfcn_h" "$ac_includes_default" +if test "x$ac_cv_header_dlfcn_h" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_DLFCN_H 1 +_ACEOF + +else + as_fn_error $? "dlfcn.h is missing" "$LINENO" 5 +fi + +done + + ac_fn_c_check_func "$LINENO" "dlsym" "ac_cv_func_dlsym" +if test "x$ac_cv_func_dlsym" = xyes; then : + +else + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlsym in -ldl" >&5 +$as_echo_n "checking for dlsym in -ldl... " >&6; } +if ${ac_cv_lib_dl_dlsym+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-ldl $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char dlsym (); +int +main () +{ +return dlsym (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_dl_dlsym=yes +else + ac_cv_lib_dl_dlsym=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlsym" >&5 +$as_echo "$ac_cv_lib_dl_dlsym" >&6; } +if test "x$ac_cv_lib_dl_dlsym" = xyes; then : + LIBS="$LIBS -ldl" +else + as_fn_error $? "libdl is missing" "$LINENO" 5 +fi + + +fi + + fi + $as_echo "#define JEMALLOC_LAZY_LOCK " >>confdefs.h + +fi + + +# Check whether --enable-tls was given. +if test "${enable_tls+set}" = set; then : + enableval=$enable_tls; if test "x$enable_tls" = "xno" ; then + enable_tls="0" +else + enable_tls="1" +fi + +else + enable_tls="1" + +fi + +if test "x${enable_tls}" = "x0" -a "x${force_tls}" = "x1" ; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: Forcing TLS to avoid allocator/threading bootstrap issues" >&5 +$as_echo "Forcing TLS to avoid allocator/threading bootstrap issues" >&6; } + enable_tls="1" +fi +if test "x${enable_tls}" = "x1" -a "x${force_tls}" = "x0" ; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: Forcing no TLS to avoid allocator/threading bootstrap issues" >&5 +$as_echo "Forcing no TLS to avoid allocator/threading bootstrap issues" >&6; } + enable_tls="0" +fi +if test "x${enable_tls}" = "x1" ; then +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for TLS" >&5 +$as_echo_n "checking for TLS... " >&6; } +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + __thread int x; + +int +main () +{ + + x = 42; + + return 0; + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + enable_tls="0" +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi + +if test "x${enable_tls}" = "x1" ; then + cat >>confdefs.h <<_ACEOF +#define JEMALLOC_TLS +_ACEOF + +elif test "x${force_tls}" = "x1" ; then + as_fn_error $? "Failed to configure TLS, which is mandatory for correct function" "$LINENO" 5 +fi + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether a program using ffsl is compilable" >&5 +$as_echo_n "checking whether a program using ffsl is compilable... " >&6; } +if ${je_cv_function_ffsl+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +#include +#include + +int +main () +{ + + { + int rv = ffsl(0x08); + } + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + je_cv_function_ffsl=yes +else + je_cv_function_ffsl=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $je_cv_function_ffsl" >&5 +$as_echo "$je_cv_function_ffsl" >&6; } + +if test "x${je_cv_function_ffsl}" != "xyes" ; then + as_fn_error $? "Cannot build without ffsl(3)" "$LINENO" 5 +fi + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether atomic(9) is compilable" >&5 +$as_echo_n "checking whether atomic(9) is compilable... " >&6; } +if ${je_cv_atomic9+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +#include +#include +#include + +int +main () +{ + + { + uint32_t x32 = 0; + volatile uint32_t *x32p = &x32; + atomic_fetchadd_32(x32p, 1); + } + { + unsigned long xlong = 0; + volatile unsigned long *xlongp = &xlong; + atomic_fetchadd_long(xlongp, 1); + } + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + je_cv_atomic9=yes +else + je_cv_atomic9=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $je_cv_atomic9" >&5 +$as_echo "$je_cv_atomic9" >&6; } + +if test "x${je_cv_atomic9}" = "xyes" ; then + $as_echo "#define JEMALLOC_ATOMIC9 1" >>confdefs.h + +fi + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether Darwin OSAtomic*() is compilable" >&5 +$as_echo_n "checking whether Darwin OSAtomic*() is compilable... " >&6; } +if ${je_cv_osatomic+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +#include +#include + +int +main () +{ + + { + int32_t x32 = 0; + volatile int32_t *x32p = &x32; + OSAtomicAdd32(1, x32p); + } + { + int64_t x64 = 0; + volatile int64_t *x64p = &x64; + OSAtomicAdd64(1, x64p); + } + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + je_cv_osatomic=yes +else + je_cv_osatomic=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $je_cv_osatomic" >&5 +$as_echo "$je_cv_osatomic" >&6; } + +if test "x${je_cv_osatomic}" = "xyes" ; then + $as_echo "#define JEMALLOC_OSATOMIC " >>confdefs.h + +fi + + + + +if test "x${je_cv_atomic9}" != "xyes" -a "x${je_cv_osatomic}" != "xyes" ; then + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to force 32-bit __sync_{add,sub}_and_fetch()" >&5 +$as_echo_n "checking whether to force 32-bit __sync_{add,sub}_and_fetch()... " >&6; } +if ${je_cv_sync_compare_and_swap_4+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + #include + +int +main () +{ + + #ifndef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4 + { + uint32_t x32 = 0; + __sync_add_and_fetch(&x32, 42); + __sync_sub_and_fetch(&x32, 1); + } + #else + #error __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4 is defined, no need to force + #endif + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + je_cv_sync_compare_and_swap_4=yes +else + je_cv_sync_compare_and_swap_4=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $je_cv_sync_compare_and_swap_4" >&5 +$as_echo "$je_cv_sync_compare_and_swap_4" >&6; } + + if test "x${je_cv_sync_compare_and_swap_4}" = "xyes" ; then + $as_echo "#define JE_FORCE_SYNC_COMPARE_AND_SWAP_4 " >>confdefs.h + + fi + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to force 64-bit __sync_{add,sub}_and_fetch()" >&5 +$as_echo_n "checking whether to force 64-bit __sync_{add,sub}_and_fetch()... " >&6; } +if ${je_cv_sync_compare_and_swap_8+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + #include + +int +main () +{ + + #ifndef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8 + { + uint64_t x64 = 0; + __sync_add_and_fetch(&x64, 42); + __sync_sub_and_fetch(&x64, 1); + } + #else + #error __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8 is defined, no need to force + #endif + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + je_cv_sync_compare_and_swap_8=yes +else + je_cv_sync_compare_and_swap_8=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $je_cv_sync_compare_and_swap_8" >&5 +$as_echo "$je_cv_sync_compare_and_swap_8" >&6; } + + if test "x${je_cv_sync_compare_and_swap_8}" = "xyes" ; then + $as_echo "#define JE_FORCE_SYNC_COMPARE_AND_SWAP_8 " >>confdefs.h + + fi + +fi + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether Darwin OSSpin*() is compilable" >&5 +$as_echo_n "checking whether Darwin OSSpin*() is compilable... " >&6; } +if ${je_cv_osspin+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +#include +#include + +int +main () +{ + + OSSpinLock lock = 0; + OSSpinLockLock(&lock); + OSSpinLockUnlock(&lock); + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + je_cv_osspin=yes +else + je_cv_osspin=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $je_cv_osspin" >&5 +$as_echo "$je_cv_osspin" >&6; } + +if test "x${je_cv_osspin}" = "xyes" ; then + $as_echo "#define JEMALLOC_OSSPIN " >>confdefs.h + +fi + + +if test "x${abi}" = "xmacho" ; then + $as_echo "#define JEMALLOC_IVSALLOC " >>confdefs.h + + $as_echo "#define JEMALLOC_ZONE " >>confdefs.h + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking malloc zone version" >&5 +$as_echo_n "checking malloc zone version... " >&6; } + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +int +main () +{ +static foo[sizeof(malloc_zone_t) == sizeof(void *) * 14 ? 1 : -1] + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + JEMALLOC_ZONE_VERSION=3 +else + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +int +main () +{ +static foo[sizeof(malloc_zone_t) == sizeof(void *) * 15 ? 1 : -1] + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + JEMALLOC_ZONE_VERSION=5 +else + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +int +main () +{ +static foo[sizeof(malloc_zone_t) == sizeof(void *) * 16 ? 1 : -1] + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +int +main () +{ +static foo[sizeof(malloc_introspection_t) == sizeof(void *) * 9 ? 1 : -1] + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + JEMALLOC_ZONE_VERSION=6 +else + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +int +main () +{ +static foo[sizeof(malloc_introspection_t) == sizeof(void *) * 13 ? 1 : -1] + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + JEMALLOC_ZONE_VERSION=7 +else + JEMALLOC_ZONE_VERSION= + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +else + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +int +main () +{ +static foo[sizeof(malloc_zone_t) == sizeof(void *) * 17 ? 1 : -1] + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + JEMALLOC_ZONE_VERSION=8 +else + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +int +main () +{ +static foo[sizeof(malloc_zone_t) > sizeof(void *) * 17 ? 1 : -1] + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + JEMALLOC_ZONE_VERSION=9 +else + JEMALLOC_ZONE_VERSION= + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + if test "x${JEMALLOC_ZONE_VERSION}" = "x"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5 +$as_echo "unsupported" >&6; } + as_fn_error $? "Unsupported malloc zone version" "$LINENO" 5 + fi + if test "${JEMALLOC_ZONE_VERSION}" = 9; then + JEMALLOC_ZONE_VERSION=8 + { $as_echo "$as_me:${as_lineno-$LINENO}: result: > 8" >&5 +$as_echo "> 8" >&6; } + else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $JEMALLOC_ZONE_VERSION" >&5 +$as_echo "$JEMALLOC_ZONE_VERSION" >&6; } + fi + cat >>confdefs.h <<_ACEOF +#define JEMALLOC_ZONE_VERSION $JEMALLOC_ZONE_VERSION +_ACEOF + +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdbool.h that conforms to C99" >&5 +$as_echo_n "checking for stdbool.h that conforms to C99... " >&6; } +if ${ac_cv_header_stdbool_h+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +#include +#ifndef bool + "error: bool is not defined" +#endif +#ifndef false + "error: false is not defined" +#endif +#if false + "error: false is not 0" +#endif +#ifndef true + "error: true is not defined" +#endif +#if true != 1 + "error: true is not 1" +#endif +#ifndef __bool_true_false_are_defined + "error: __bool_true_false_are_defined is not defined" +#endif + + struct s { _Bool s: 1; _Bool t; } s; + + char a[true == 1 ? 1 : -1]; + char b[false == 0 ? 1 : -1]; + char c[__bool_true_false_are_defined == 1 ? 1 : -1]; + char d[(bool) 0.5 == true ? 1 : -1]; + /* See body of main program for 'e'. */ + char f[(_Bool) 0.0 == false ? 1 : -1]; + char g[true]; + char h[sizeof (_Bool)]; + char i[sizeof s.t]; + enum { j = false, k = true, l = false * true, m = true * 256 }; + /* The following fails for + HP aC++/ANSI C B3910B A.05.55 [Dec 04 2003]. */ + _Bool n[m]; + char o[sizeof n == m * sizeof n[0] ? 1 : -1]; + char p[-1 - (_Bool) 0 < 0 && -1 - (bool) 0 < 0 ? 1 : -1]; + /* Catch a bug in an HP-UX C compiler. See + http://gcc.gnu.org/ml/gcc-patches/2003-12/msg02303.html + http://lists.gnu.org/archive/html/bug-coreutils/2005-11/msg00161.html + */ + _Bool q = true; + _Bool *pq = &q; + +int +main () +{ + + bool e = &s; + *pq |= q; + *pq |= ! q; + /* Refer to every declared value, to avoid compiler optimizations. */ + return (!a + !b + !c + !d + !e + !f + !g + !h + !i + !!j + !k + !!l + + !m + !n + !o + !p + !q + !pq); + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_header_stdbool_h=yes +else + ac_cv_header_stdbool_h=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdbool_h" >&5 +$as_echo "$ac_cv_header_stdbool_h" >&6; } +ac_fn_c_check_type "$LINENO" "_Bool" "ac_cv_type__Bool" "$ac_includes_default" +if test "x$ac_cv_type__Bool" = xyes; then : + +cat >>confdefs.h <<_ACEOF +#define HAVE__BOOL 1 +_ACEOF + + +fi + +if test $ac_cv_header_stdbool_h = yes; then + +$as_echo "#define HAVE_STDBOOL_H 1" >>confdefs.h + +fi + + +ac_config_commands="$ac_config_commands include/jemalloc/internal/size_classes.h" + + + + +ac_config_headers="$ac_config_headers $cfghdrs_tup" + + +ac_config_files="$ac_config_files $cfgoutputs_tup config.stamp bin/jemalloc.sh" + + + +cat >confcache <<\_ACEOF +# This file is a shell script that caches the results of configure +# tests run on this system so they can be shared between configure +# scripts and configure runs, see configure's option --config-cache. +# It is not useful on other systems. If it contains results you don't +# want to keep, you may remove or edit it. +# +# config.status only pays attention to the cache file if you give it +# the --recheck option to rerun configure. +# +# `ac_cv_env_foo' variables (set or unset) will be overridden when +# loading this file, other *unset* `ac_cv_foo' will be assigned the +# following values. + +_ACEOF + +# The following way of writing the cache mishandles newlines in values, +# but we know of no workaround that is simple, portable, and efficient. +# So, we kill variables containing newlines. +# Ultrix sh set writes to stderr and can't be redirected directly, +# and sets the high bit in the cache file unless we assign to the vars. +( + for ac_var in `(set) 2>&1 | sed -n 's/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'`; do + eval ac_val=\$$ac_var + case $ac_val in #( + *${as_nl}*) + case $ac_var in #( + *_cv_*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5 +$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;; + esac + case $ac_var in #( + _ | IFS | as_nl) ;; #( + BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #( + *) { eval $ac_var=; unset $ac_var;} ;; + esac ;; + esac + done + + (set) 2>&1 | + case $as_nl`(ac_space=' '; set) 2>&1` in #( + *${as_nl}ac_space=\ *) + # `set' does not quote correctly, so add quotes: double-quote + # substitution turns \\\\ into \\, and sed turns \\ into \. + sed -n \ + "s/'/'\\\\''/g; + s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p" + ;; #( + *) + # `set' quotes correctly as required by POSIX, so do not add quotes. + sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p" + ;; + esac | + sort +) | + sed ' + /^ac_cv_env_/b end + t clear + :clear + s/^\([^=]*\)=\(.*[{}].*\)$/test "${\1+set}" = set || &/ + t end + s/^\([^=]*\)=\(.*\)$/\1=${\1=\2}/ + :end' >>confcache +if diff "$cache_file" confcache >/dev/null 2>&1; then :; else + if test -w "$cache_file"; then + if test "x$cache_file" != "x/dev/null"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5 +$as_echo "$as_me: updating cache $cache_file" >&6;} + if test ! -f "$cache_file" || test -h "$cache_file"; then + cat confcache >"$cache_file" + else + case $cache_file in #( + */* | ?:*) + mv -f confcache "$cache_file"$$ && + mv -f "$cache_file"$$ "$cache_file" ;; #( + *) + mv -f confcache "$cache_file" ;; + esac + fi + fi + else + { $as_echo "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5 +$as_echo "$as_me: not updating unwritable cache $cache_file" >&6;} + fi +fi +rm -f confcache + +test "x$prefix" = xNONE && prefix=$ac_default_prefix +# Let make expand exec_prefix. +test "x$exec_prefix" = xNONE && exec_prefix='${prefix}' + +DEFS=-DHAVE_CONFIG_H + +ac_libobjs= +ac_ltlibobjs= +U= +for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue + # 1. Remove the extension, and $U if already installed. + ac_script='s/\$U\././;s/\.o$//;s/\.obj$//' + ac_i=`$as_echo "$ac_i" | sed "$ac_script"` + # 2. Prepend LIBOBJDIR. When used with automake>=1.10 LIBOBJDIR + # will be set to the directory where LIBOBJS objects are built. + as_fn_append ac_libobjs " \${LIBOBJDIR}$ac_i\$U.$ac_objext" + as_fn_append ac_ltlibobjs " \${LIBOBJDIR}$ac_i"'$U.lo' +done +LIBOBJS=$ac_libobjs + +LTLIBOBJS=$ac_ltlibobjs + + + +: "${CONFIG_STATUS=./config.status}" +ac_write_fail=0 +ac_clean_files_save=$ac_clean_files +ac_clean_files="$ac_clean_files $CONFIG_STATUS" +{ $as_echo "$as_me:${as_lineno-$LINENO}: creating $CONFIG_STATUS" >&5 +$as_echo "$as_me: creating $CONFIG_STATUS" >&6;} +as_write_fail=0 +cat >$CONFIG_STATUS <<_ASEOF || as_write_fail=1 +#! $SHELL +# Generated by $as_me. +# Run this file to recreate the current configuration. +# Compiler output produced by configure, useful for debugging +# configure, is in config.log if it exists. + +debug=false +ac_cs_recheck=false +ac_cs_silent=false + +SHELL=\${CONFIG_SHELL-$SHELL} +export SHELL +_ASEOF +cat >>$CONFIG_STATUS <<\_ASEOF || as_write_fail=1 +## -------------------- ## +## M4sh Initialization. ## +## -------------------- ## + +# Be more Bourne compatible +DUALCASE=1; export DUALCASE # for MKS sh +if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then : + emulate sh + NULLCMD=: + # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which + # is contrary to our usage. Disable this feature. + alias -g '${1+"$@"}'='"$@"' + setopt NO_GLOB_SUBST +else + case `(set -o) 2>/dev/null` in #( + *posix*) : + set -o posix ;; #( + *) : + ;; +esac +fi + + +as_nl=' +' +export as_nl +# Printing a long string crashes Solaris 7 /usr/bin/printf. +as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\' +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo +# Prefer a ksh shell builtin over an external printf program on Solaris, +# but without wasting forks for bash or zsh. +if test -z "$BASH_VERSION$ZSH_VERSION" \ + && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='print -r --' + as_echo_n='print -rn --' +elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='printf %s\n' + as_echo_n='printf %s' +else + if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then + as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"' + as_echo_n='/usr/ucb/echo -n' + else + as_echo_body='eval expr "X$1" : "X\\(.*\\)"' + as_echo_n_body='eval + arg=$1; + case $arg in #( + *"$as_nl"*) + expr "X$arg" : "X\\(.*\\)$as_nl"; + arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;; + esac; + expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl" + ' + export as_echo_n_body + as_echo_n='sh -c $as_echo_n_body as_echo' + fi + export as_echo_body + as_echo='sh -c $as_echo_body as_echo' +fi + +# The user is always right. +if test "${PATH_SEPARATOR+set}" != set; then + PATH_SEPARATOR=: + (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && { + (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 || + PATH_SEPARATOR=';' + } +fi + + +# IFS +# We need space, tab and new line, in precisely that order. Quoting is +# there to prevent editors from complaining about space-tab. +# (If _AS_PATH_WALK were called with IFS unset, it would disable word +# splitting by setting IFS to empty value.) +IFS=" "" $as_nl" + +# Find who we are. Look in the path if we contain no directory separator. +as_myself= +case $0 in #(( + *[\\/]* ) as_myself=$0 ;; + *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break + done +IFS=$as_save_IFS + + ;; +esac +# We did not find ourselves, most probably we were run as `sh COMMAND' +# in which case we are not to be found in the path. +if test "x$as_myself" = x; then + as_myself=$0 +fi +if test ! -f "$as_myself"; then + $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2 + exit 1 +fi + +# Unset variables that we do not need and which cause bugs (e.g. in +# pre-3.0 UWIN ksh). But do not cause bugs in bash 2.01; the "|| exit 1" +# suppresses any "Segmentation fault" message there. '((' could +# trigger a bug in pdksh 5.2.14. +for as_var in BASH_ENV ENV MAIL MAILPATH +do eval test x\${$as_var+set} = xset \ + && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || : +done +PS1='$ ' +PS2='> ' +PS4='+ ' + +# NLS nuisances. +LC_ALL=C +export LC_ALL +LANGUAGE=C +export LANGUAGE + +# CDPATH. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + + +# as_fn_error STATUS ERROR [LINENO LOG_FD] +# ---------------------------------------- +# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are +# provided, also output the error to LOG_FD, referencing LINENO. Then exit the +# script with STATUS, using 1 if that was 0. +as_fn_error () +{ + as_status=$1; test $as_status -eq 0 && as_status=1 + if test "$4"; then + as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + $as_echo "$as_me:${as_lineno-$LINENO}: error: $2" >&$4 + fi + $as_echo "$as_me: error: $2" >&2 + as_fn_exit $as_status +} # as_fn_error + + +# as_fn_set_status STATUS +# ----------------------- +# Set $? to STATUS, without forking. +as_fn_set_status () +{ + return $1 +} # as_fn_set_status + +# as_fn_exit STATUS +# ----------------- +# Exit the shell with STATUS, even in a "trap 0" or "set -e" context. +as_fn_exit () +{ + set +e + as_fn_set_status $1 + exit $1 +} # as_fn_exit + +# as_fn_unset VAR +# --------------- +# Portably unset VAR. +as_fn_unset () +{ + { eval $1=; unset $1;} +} +as_unset=as_fn_unset +# as_fn_append VAR VALUE +# ---------------------- +# Append the text in VALUE to the end of the definition contained in VAR. Take +# advantage of any shell optimizations that allow amortized linear growth over +# repeated appends, instead of the typical quadratic growth present in naive +# implementations. +if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then : + eval 'as_fn_append () + { + eval $1+=\$2 + }' +else + as_fn_append () + { + eval $1=\$$1\$2 + } +fi # as_fn_append + +# as_fn_arith ARG... +# ------------------ +# Perform arithmetic evaluation on the ARGs, and store the result in the +# global $as_val. Take advantage of shells that can avoid forks. 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"could not setup config files machinery" "$LINENO" 5 +_ACEOF + +# VPATH may cause trouble with some makes, so we remove sole $(srcdir), +# ${srcdir} and @srcdir@ entries from VPATH if srcdir is ".", strip leading and +# trailing colons and then remove the whole line if VPATH becomes empty +# (actually we leave an empty line to preserve line numbers). +if test "x$srcdir" = x.; then + ac_vpsub='/^[ ]*VPATH[ ]*=[ ]*/{ +h +s/// +s/^/:/ +s/[ ]*$/:/ +s/:\$(srcdir):/:/g +s/:\${srcdir}:/:/g +s/:@srcdir@:/:/g +s/^:*// +s/:*$// +x +s/\(=[ ]*\).*/\1/ +G +s/\n// +s/^[^=]*=[ ]*$// +}' +fi + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +fi # test -n "$CONFIG_FILES" + +# Set up the scripts for CONFIG_HEADERS section. +# No need to generate them if there are no CONFIG_HEADERS. +# This happens for instance with `./config.status Makefile'. +if test -n "$CONFIG_HEADERS"; then +cat >"$ac_tmp/defines.awk" <<\_ACAWK || +BEGIN { +_ACEOF + +# Transform confdefs.h into an awk script `defines.awk', embedded as +# here-document in config.status, that substitutes the proper values into +# config.h.in to produce config.h. + +# Create a delimiter string that does not exist in confdefs.h, to ease +# handling of long lines. +ac_delim='%!_!# ' +for ac_last_try in false false :; do + ac_tt=`sed -n "/$ac_delim/p" confdefs.h` + if test -z "$ac_tt"; then + break + elif $ac_last_try; then + as_fn_error $? "could not make $CONFIG_HEADERS" "$LINENO" 5 + else + ac_delim="$ac_delim!$ac_delim _$ac_delim!! " + fi +done + +# For the awk script, D is an array of macro values keyed by name, +# likewise P contains macro parameters if any. 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This is necessary, for example, + # in the case of _POSIX_SOURCE, which is predefined and required + # on some systems where configure will not decide to define it. + if (defundef == "undef") { + print "/*", prefix defundef, macro, "*/" + next + } + } +} +{ print } +_ACAWK +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 + as_fn_error $? "could not setup config headers machinery" "$LINENO" 5 +fi # test -n "$CONFIG_HEADERS" + + +eval set X " :F $CONFIG_FILES :H $CONFIG_HEADERS :C $CONFIG_COMMANDS" +shift +for ac_tag +do + case $ac_tag in + :[FHLC]) ac_mode=$ac_tag; continue;; + esac + case $ac_mode$ac_tag in + :[FHL]*:*);; + :L* | :C*:*) as_fn_error $? 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Otherwise, +dnl just prevent autoconf from molesting CFLAGS. +CFLAGS=$CFLAGS +AC_PROG_CC +if test "x$GCC" != "xyes" ; then + AC_CACHE_CHECK([whether compiler is MSVC], + [je_cv_msvc], + [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], + [ +#ifndef _MSC_VER + int fail[-1]; +#endif +])], + [je_cv_msvc=yes], + [je_cv_msvc=no])]) +fi + +if test "x$CFLAGS" = "x" ; then + no_CFLAGS="yes" + if test "x$GCC" = "xyes" ; then + JE_CFLAGS_APPEND([-std=gnu99]) + JE_CFLAGS_APPEND([-Wall]) + JE_CFLAGS_APPEND([-pipe]) + JE_CFLAGS_APPEND([-g3]) + elif test "x$je_cv_msvc" = "xyes" ; then + CC="$CC -nologo" + JE_CFLAGS_APPEND([-Zi]) + JE_CFLAGS_APPEND([-MT]) + JE_CFLAGS_APPEND([-W3]) + CPPFLAGS="$CPPFLAGS -I${srcroot}/include/msvc_compat" + fi +fi +dnl Append EXTRA_CFLAGS to CFLAGS, if defined. +if test "x$EXTRA_CFLAGS" != "x" ; then + JE_CFLAGS_APPEND([$EXTRA_CFLAGS]) +fi +AC_PROG_CPP + +AC_CHECK_SIZEOF([void *]) +if test "x${ac_cv_sizeof_void_p}" = "x8" ; then + LG_SIZEOF_PTR=3 +elif test "x${ac_cv_sizeof_void_p}" = "x4" ; then + LG_SIZEOF_PTR=2 +else + AC_MSG_ERROR([Unsupported pointer size: ${ac_cv_sizeof_void_p}]) +fi +AC_DEFINE_UNQUOTED([LG_SIZEOF_PTR], [$LG_SIZEOF_PTR]) + +AC_CHECK_SIZEOF([int]) +if test "x${ac_cv_sizeof_int}" = "x8" ; then + LG_SIZEOF_INT=3 +elif test "x${ac_cv_sizeof_int}" = "x4" ; then + LG_SIZEOF_INT=2 +else + AC_MSG_ERROR([Unsupported int size: ${ac_cv_sizeof_int}]) +fi +AC_DEFINE_UNQUOTED([LG_SIZEOF_INT], [$LG_SIZEOF_INT]) + +AC_CHECK_SIZEOF([long]) +if test "x${ac_cv_sizeof_long}" = "x8" ; then + LG_SIZEOF_LONG=3 +elif test "x${ac_cv_sizeof_long}" = "x4" ; then + LG_SIZEOF_LONG=2 +else + AC_MSG_ERROR([Unsupported long size: ${ac_cv_sizeof_long}]) +fi +AC_DEFINE_UNQUOTED([LG_SIZEOF_LONG], [$LG_SIZEOF_LONG]) + +AC_CHECK_SIZEOF([intmax_t]) +if test "x${ac_cv_sizeof_intmax_t}" = "x16" ; then + LG_SIZEOF_INTMAX_T=4 +elif test "x${ac_cv_sizeof_intmax_t}" = "x8" ; then + LG_SIZEOF_INTMAX_T=3 +elif test "x${ac_cv_sizeof_intmax_t}" = "x4" ; then + LG_SIZEOF_INTMAX_T=2 +else + AC_MSG_ERROR([Unsupported intmax_t size: ${ac_cv_sizeof_intmax_t}]) +fi +AC_DEFINE_UNQUOTED([LG_SIZEOF_INTMAX_T], [$LG_SIZEOF_INTMAX_T]) + +AC_CANONICAL_HOST +dnl CPU-specific settings. +CPU_SPINWAIT="" +case "${host_cpu}" in + i[[345]]86) + ;; + i686) + JE_COMPILABLE([__asm__], [], [[__asm__ volatile("pause"); return 0;]], + [je_cv_asm]) + if test "x${je_cv_asm}" = "xyes" ; then + CPU_SPINWAIT='__asm__ volatile("pause")' + fi + ;; + x86_64) + JE_COMPILABLE([__asm__ syntax], [], + [[__asm__ volatile("pause"); return 0;]], [je_cv_asm]) + if test "x${je_cv_asm}" = "xyes" ; then + CPU_SPINWAIT='__asm__ volatile("pause")' + fi + ;; + *) + ;; +esac +AC_DEFINE_UNQUOTED([CPU_SPINWAIT], [$CPU_SPINWAIT]) + +LD_PRELOAD_VAR="LD_PRELOAD" +so="so" +importlib="${so}" +o="$ac_objext" +a="a" +exe="$ac_exeext" +libprefix="lib" +DSO_LDFLAGS='-shared -Wl,-soname,$(@F)' +RPATH='-Wl,-rpath,$(1)' +SOREV="${so}.${rev}" +PIC_CFLAGS='-fPIC -DPIC' +CTARGET='-o $@' +LDTARGET='-o $@' +EXTRA_LDFLAGS= +MKLIB='ar crus $@' +CC_MM=1 + +dnl Platform-specific settings. abi and RPATH can probably be determined +dnl programmatically, but doing so is error-prone, which makes it generally +dnl not worth the trouble. +dnl +dnl Define cpp macros in CPPFLAGS, rather than doing AC_DEFINE(macro), since the +dnl definitions need to be seen before any headers are included, which is a pain +dnl to make happen otherwise. +default_munmap="1" +JEMALLOC_USABLE_SIZE_CONST="const" +case "${host}" in + *-*-darwin*) + CFLAGS="$CFLAGS" + abi="macho" + AC_DEFINE([JEMALLOC_PURGE_MADVISE_FREE], [ ]) + RPATH="" + LD_PRELOAD_VAR="DYLD_INSERT_LIBRARIES" + so="dylib" + importlib="${so}" + force_tls="0" + DSO_LDFLAGS='-shared -Wl,-dylib_install_name,$(@F)' + SOREV="${rev}.${so}" + ;; + *-*-freebsd*) + CFLAGS="$CFLAGS" + abi="elf" + AC_DEFINE([JEMALLOC_PURGE_MADVISE_FREE], [ ]) + force_lazy_lock="1" + ;; + *-*-linux*) + CFLAGS="$CFLAGS" + CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE" + abi="elf" + AC_DEFINE([JEMALLOC_PURGE_MADVISE_DONTNEED], [ ]) + AC_DEFINE([JEMALLOC_THREADED_INIT], [ ]) + JEMALLOC_USABLE_SIZE_CONST="" + default_munmap="0" + ;; + *-*-netbsd*) + AC_MSG_CHECKING([ABI]) + AC_COMPILE_IFELSE([AC_LANG_PROGRAM( +[[#ifdef __ELF__ +/* ELF */ +#else +#error aout +#endif +]])], + [CFLAGS="$CFLAGS"; abi="elf"], + [abi="aout"]) + AC_MSG_RESULT([$abi]) + AC_DEFINE([JEMALLOC_PURGE_MADVISE_FREE], [ ]) + ;; + *-*-solaris2*) + CFLAGS="$CFLAGS" + abi="elf" + RPATH='-Wl,-R,$(1)' + dnl Solaris needs this for sigwait(). + CPPFLAGS="$CPPFLAGS -D_POSIX_PTHREAD_SEMANTICS" + LIBS="$LIBS -lposix4 -lsocket -lnsl" + ;; + *-ibm-aix*) + if "$LG_SIZEOF_PTR" = "8"; then + dnl 64bit AIX + LD_PRELOAD_VAR="LDR_PRELOAD64" + else + dnl 32bit AIX + LD_PRELOAD_VAR="LDR_PRELOAD" + fi + abi="xcoff" + ;; + *-*-mingw*) + abi="pecoff" + force_tls="0" + RPATH="" + so="dll" + if test "x$je_cv_msvc" = "xyes" ; then + importlib="lib" + DSO_LDFLAGS="-LD" + EXTRA_LDFLAGS="-link -DEBUG" + CTARGET='-Fo$@' + LDTARGET='-Fe$@' + MKLIB='lib -nologo -out:$@' + CC_MM= + else + importlib="${so}" + DSO_LDFLAGS="-shared" + fi + a="lib" + libprefix="" + SOREV="${so}" + PIC_CFLAGS="" + ;; + *) + AC_MSG_RESULT([Unsupported operating system: ${host}]) + abi="elf" + ;; +esac +AC_DEFINE_UNQUOTED([JEMALLOC_USABLE_SIZE_CONST], [$JEMALLOC_USABLE_SIZE_CONST]) +AC_SUBST([abi]) +AC_SUBST([RPATH]) +AC_SUBST([LD_PRELOAD_VAR]) +AC_SUBST([so]) +AC_SUBST([importlib]) +AC_SUBST([o]) +AC_SUBST([a]) +AC_SUBST([exe]) +AC_SUBST([libprefix]) +AC_SUBST([DSO_LDFLAGS]) +AC_SUBST([EXTRA_LDFLAGS]) +AC_SUBST([SOREV]) +AC_SUBST([PIC_CFLAGS]) +AC_SUBST([CTARGET]) +AC_SUBST([LDTARGET]) +AC_SUBST([MKLIB]) +AC_SUBST([CC_MM]) + +if test "x$abi" != "xpecoff"; then + dnl Heap profiling uses the log(3) function. + LIBS="$LIBS -lm" +fi + +JE_COMPILABLE([__attribute__ syntax], + [static __attribute__((unused)) void foo(void){}], + [], + [je_cv_attribute]) +if test "x${je_cv_attribute}" = "xyes" ; then + AC_DEFINE([JEMALLOC_HAVE_ATTR], [ ]) + if test "x${GCC}" = "xyes" -a "x${abi}" = "xelf"; then + JE_CFLAGS_APPEND([-fvisibility=hidden]) + fi +fi +dnl Check for tls_model attribute support (clang 3.0 still lacks support). +SAVED_CFLAGS="${CFLAGS}" +JE_CFLAGS_APPEND([-Werror]) +JE_COMPILABLE([tls_model attribute], [], + [static __thread int + __attribute__((tls_model("initial-exec"))) foo; + foo = 0;], + [je_cv_tls_model]) +CFLAGS="${SAVED_CFLAGS}" +if test "x${je_cv_tls_model}" = "xyes" ; then + AC_DEFINE([JEMALLOC_TLS_MODEL], + [__attribute__((tls_model("initial-exec")))]) +else + AC_DEFINE([JEMALLOC_TLS_MODEL], [ ]) +fi + +dnl Support optional additions to rpath. +AC_ARG_WITH([rpath], + [AS_HELP_STRING([--with-rpath=], [Colon-separated rpath (ELF systems only)])], +if test "x$with_rpath" = "xno" ; then + RPATH_EXTRA= +else + RPATH_EXTRA="`echo $with_rpath | tr \":\" \" \"`" +fi, + RPATH_EXTRA= +) +AC_SUBST([RPATH_EXTRA]) + +dnl Disable rules that do automatic regeneration of configure output by default. +AC_ARG_ENABLE([autogen], + [AS_HELP_STRING([--enable-autogen], [Automatically regenerate configure output])], +if test "x$enable_autogen" = "xno" ; then + enable_autogen="0" +else + enable_autogen="1" +fi +, +enable_autogen="0" +) +AC_SUBST([enable_autogen]) + +AC_PROG_INSTALL +AC_PROG_RANLIB +AC_PATH_PROG([AR], [ar], , [$PATH]) +AC_PATH_PROG([LD], [ld], , [$PATH]) +AC_PATH_PROG([AUTOCONF], [autoconf], , [$PATH]) + +public_syms="malloc_conf malloc_message malloc calloc posix_memalign aligned_alloc realloc free malloc_usable_size malloc_stats_print mallctl mallctlnametomib mallctlbymib" + +dnl Check for allocator-related functions that should be wrapped. +AC_CHECK_FUNC([memalign], + [AC_DEFINE([JEMALLOC_OVERRIDE_MEMALIGN], [ ]) + public_syms="${public_syms} memalign"]) +AC_CHECK_FUNC([valloc], + [AC_DEFINE([JEMALLOC_OVERRIDE_VALLOC], [ ]) + public_syms="${public_syms} valloc"]) + +dnl Support the experimental API by default. +AC_ARG_ENABLE([experimental], + [AS_HELP_STRING([--disable-experimental], + [Disable support for the experimental API])], +[if test "x$enable_experimental" = "xno" ; then + enable_experimental="0" +else + enable_experimental="1" +fi +], +[enable_experimental="1"] +) +if test "x$enable_experimental" = "x1" ; then + AC_DEFINE([JEMALLOC_EXPERIMENTAL], [ ]) + public_syms="${public_syms} allocm dallocm nallocm rallocm sallocm" +fi +AC_SUBST([enable_experimental]) + +dnl Perform no name mangling by default. +AC_ARG_WITH([mangling], + [AS_HELP_STRING([--with-mangling=], [Mangle symbols in ])], + [mangling_map="$with_mangling"], [mangling_map=""]) +for nm in `echo ${mangling_map} |tr ',' ' '` ; do + k="`echo ${nm} |tr ':' ' ' |awk '{print $1}'`" + n="je_${k}" + m=`echo ${nm} |tr ':' ' ' |awk '{print $2}'` + AC_DEFINE_UNQUOTED([${n}], [${m}]) + dnl Remove key from public_syms so that it isn't redefined later. + public_syms=`for sym in ${public_syms}; do echo "${sym}"; done |grep -v "^${k}\$" |tr '\n' ' '` +done + +dnl Do not prefix public APIs by default. +AC_ARG_WITH([jemalloc_prefix], + [AS_HELP_STRING([--with-jemalloc-prefix=], [Prefix to prepend to all public APIs])], + [JEMALLOC_PREFIX="$with_jemalloc_prefix"], + [if test "x$abi" != "xmacho" -a "x$abi" != "xpecoff"; then + JEMALLOC_PREFIX="" +else + JEMALLOC_PREFIX="je_" +fi] +) +if test "x$JEMALLOC_PREFIX" != "x" ; then + JEMALLOC_CPREFIX=`echo ${JEMALLOC_PREFIX} | tr "a-z" "A-Z"` + AC_DEFINE_UNQUOTED([JEMALLOC_PREFIX], ["$JEMALLOC_PREFIX"]) + AC_DEFINE_UNQUOTED([JEMALLOC_CPREFIX], ["$JEMALLOC_CPREFIX"]) +fi +dnl Generate macros to rename public symbols. All public symbols are prefixed +dnl with je_ in the source code, so these macro definitions are needed even if +dnl --with-jemalloc-prefix wasn't specified. +for stem in ${public_syms}; do + n="je_${stem}" + m="${JEMALLOC_PREFIX}${stem}" + AC_DEFINE_UNQUOTED([${n}], [${m}]) +done + +dnl Do not mangle library-private APIs by default. +AC_ARG_WITH([private_namespace], + [AS_HELP_STRING([--with-private-namespace=], [Prefix to prepend to all library-private APIs])], + [JEMALLOC_PRIVATE_NAMESPACE="$with_private_namespace"], + [JEMALLOC_PRIVATE_NAMESPACE=""] +) +AC_DEFINE_UNQUOTED([JEMALLOC_PRIVATE_NAMESPACE], ["$JEMALLOC_PRIVATE_NAMESPACE"]) +if test "x$JEMALLOC_PRIVATE_NAMESPACE" != "x" ; then + AC_DEFINE_UNQUOTED([JEMALLOC_N(string_that_no_one_should_want_to_use_as_a_jemalloc_private_namespace_prefix)], [${JEMALLOC_PRIVATE_NAMESPACE}##string_that_no_one_should_want_to_use_as_a_jemalloc_private_namespace_prefix]) +else + AC_DEFINE_UNQUOTED([JEMALLOC_N(string_that_no_one_should_want_to_use_as_a_jemalloc_private_namespace_prefix)], [string_that_no_one_should_want_to_use_as_a_jemalloc_private_namespace_prefix]) +fi + +dnl Do not add suffix to installed files by default. +AC_ARG_WITH([install_suffix], + [AS_HELP_STRING([--with-install-suffix=], [Suffix to append to all installed files])], + [INSTALL_SUFFIX="$with_install_suffix"], + [INSTALL_SUFFIX=] +) +install_suffix="$INSTALL_SUFFIX" +AC_SUBST([install_suffix]) + +cfgoutputs_in="${srcroot}Makefile.in" +cfgoutputs_in="${cfgoutputs_in} ${srcroot}doc/html.xsl.in" +cfgoutputs_in="${cfgoutputs_in} ${srcroot}doc/manpages.xsl.in" +cfgoutputs_in="${cfgoutputs_in} ${srcroot}doc/jemalloc.xml.in" +cfgoutputs_in="${cfgoutputs_in} ${srcroot}include/jemalloc/jemalloc.h.in" +cfgoutputs_in="${cfgoutputs_in} ${srcroot}include/jemalloc/internal/jemalloc_internal.h.in" +cfgoutputs_in="${cfgoutputs_in} ${srcroot}test/jemalloc_test.h.in" + +cfgoutputs_out="Makefile" +cfgoutputs_out="${cfgoutputs_out} doc/html.xsl" +cfgoutputs_out="${cfgoutputs_out} doc/manpages.xsl" +cfgoutputs_out="${cfgoutputs_out} doc/jemalloc${install_suffix}.xml" +cfgoutputs_out="${cfgoutputs_out} include/jemalloc/jemalloc${install_suffix}.h" +cfgoutputs_out="${cfgoutputs_out} include/jemalloc/internal/jemalloc_internal.h" +cfgoutputs_out="${cfgoutputs_out} test/jemalloc_test.h" + +cfgoutputs_tup="Makefile" +cfgoutputs_tup="${cfgoutputs_tup} doc/html.xsl:doc/html.xsl.in" +cfgoutputs_tup="${cfgoutputs_tup} doc/manpages.xsl:doc/manpages.xsl.in" +cfgoutputs_tup="${cfgoutputs_tup} doc/jemalloc${install_suffix}.xml:doc/jemalloc.xml.in" +cfgoutputs_tup="${cfgoutputs_tup} include/jemalloc/jemalloc${install_suffix}.h:include/jemalloc/jemalloc.h.in" +cfgoutputs_tup="${cfgoutputs_tup} include/jemalloc/internal/jemalloc_internal.h" +cfgoutputs_tup="${cfgoutputs_tup} test/jemalloc_test.h:test/jemalloc_test.h.in" + +cfghdrs_in="${srcroot}include/jemalloc/jemalloc_defs.h.in" +cfghdrs_in="${cfghdrs_in} ${srcroot}include/jemalloc/internal/size_classes.sh" + +cfghdrs_out="include/jemalloc/jemalloc_defs${install_suffix}.h" +cfghdrs_out="${cfghdrs_out} include/jemalloc/internal/size_classes.h" + +cfghdrs_tup="include/jemalloc/jemalloc_defs${install_suffix}.h:include/jemalloc/jemalloc_defs.h.in" + +dnl Do not silence irrelevant compiler warnings by default, since enabling this +dnl option incurs a performance penalty. +AC_ARG_ENABLE([cc-silence], + [AS_HELP_STRING([--enable-cc-silence], + [Silence irrelevant compiler warnings])], +[if test "x$enable_cc_silence" = "xno" ; then + enable_cc_silence="0" +else + enable_cc_silence="1" +fi +], +[enable_cc_silence="0"] +) +if test "x$enable_cc_silence" = "x1" ; then + AC_DEFINE([JEMALLOC_CC_SILENCE], [ ]) +fi + +dnl Do not compile with debugging by default. +AC_ARG_ENABLE([debug], + [AS_HELP_STRING([--enable-debug], [Build debugging code])], +[if test "x$enable_debug" = "xno" ; then + enable_debug="0" +else + enable_debug="1" +fi +], +[enable_debug="0"] +) +if test "x$enable_debug" = "x1" ; then + AC_DEFINE([JEMALLOC_DEBUG], [ ]) + AC_DEFINE([JEMALLOC_IVSALLOC], [ ]) +fi +AC_SUBST([enable_debug]) + +dnl Only optimize if not debugging. +if test "x$enable_debug" = "x0" -a "x$no_CFLAGS" = "xyes" ; then + dnl Make sure that an optimization flag was not specified in EXTRA_CFLAGS. + optimize="no" + echo "$EXTRA_CFLAGS" | grep "\-O" >/dev/null || optimize="yes" + if test "x${optimize}" = "xyes" ; then + if test "x$GCC" = "xyes" ; then + JE_CFLAGS_APPEND([-O3]) + JE_CFLAGS_APPEND([-funroll-loops]) + elif test "x$je_cv_msvc" = "xyes" ; then + JE_CFLAGS_APPEND([-O2]) + else + JE_CFLAGS_APPEND([-O]) + fi + fi +fi + +dnl Enable statistics calculation by default. +AC_ARG_ENABLE([stats], + [AS_HELP_STRING([--disable-stats], + [Disable statistics calculation/reporting])], +[if test "x$enable_stats" = "xno" ; then + enable_stats="0" +else + enable_stats="1" +fi +], +[enable_stats="1"] +) +if test "x$enable_stats" = "x1" ; then + AC_DEFINE([JEMALLOC_STATS], [ ]) +fi +AC_SUBST([enable_stats]) + +dnl Do not enable profiling by default. +AC_ARG_ENABLE([prof], + [AS_HELP_STRING([--enable-prof], [Enable allocation profiling])], +[if test "x$enable_prof" = "xno" ; then + enable_prof="0" +else + enable_prof="1" +fi +], +[enable_prof="0"] +) +if test "x$enable_prof" = "x1" ; then + backtrace_method="" +else + backtrace_method="N/A" +fi + +AC_ARG_ENABLE([prof-libunwind], + [AS_HELP_STRING([--enable-prof-libunwind], [Use libunwind for backtracing])], +[if test "x$enable_prof_libunwind" = "xno" ; then + enable_prof_libunwind="0" +else + enable_prof_libunwind="1" +fi +], +[enable_prof_libunwind="0"] +) +AC_ARG_WITH([static_libunwind], + [AS_HELP_STRING([--with-static-libunwind=], + [Path to static libunwind library; use rather than dynamically linking])], +if test "x$with_static_libunwind" = "xno" ; then + LUNWIND="-lunwind" +else + if test ! -f "$with_static_libunwind" ; then + AC_MSG_ERROR([Static libunwind not found: $with_static_libunwind]) + fi + LUNWIND="$with_static_libunwind" +fi, + LUNWIND="-lunwind" +) +if test "x$backtrace_method" = "x" -a "x$enable_prof_libunwind" = "x1" ; then + AC_CHECK_HEADERS([libunwind.h], , [enable_prof_libunwind="0"]) + if test "x$LUNWIND" = "x-lunwind" ; then + AC_CHECK_LIB([unwind], [backtrace], [LIBS="$LIBS $LUNWIND"], + [enable_prof_libunwind="0"]) + else + LIBS="$LIBS $LUNWIND" + fi + if test "x${enable_prof_libunwind}" = "x1" ; then + backtrace_method="libunwind" + AC_DEFINE([JEMALLOC_PROF_LIBUNWIND], [ ]) + fi +fi + +AC_ARG_ENABLE([prof-libgcc], + [AS_HELP_STRING([--disable-prof-libgcc], + [Do not use libgcc for backtracing])], +[if test "x$enable_prof_libgcc" = "xno" ; then + enable_prof_libgcc="0" +else + enable_prof_libgcc="1" +fi +], +[enable_prof_libgcc="1"] +) +if test "x$backtrace_method" = "x" -a "x$enable_prof_libgcc" = "x1" \ + -a "x$GCC" = "xyes" ; then + AC_CHECK_HEADERS([unwind.h], , [enable_prof_libgcc="0"]) + AC_CHECK_LIB([gcc], [_Unwind_Backtrace], [LIBS="$LIBS -lgcc"], [enable_prof_libgcc="0"]) + dnl The following is conservative, in that it only has entries for CPUs on + dnl which jemalloc has been tested. + AC_MSG_CHECKING([libgcc-based backtracing reliability on ${host_cpu}]) + case "${host_cpu}" in + i[[3456]]86) + AC_MSG_RESULT([unreliable]) + enable_prof_libgcc="0"; + ;; + x86_64) + AC_MSG_RESULT([reliable]) + ;; + *) + AC_MSG_RESULT([unreliable]) + enable_prof_libgcc="0"; + ;; + esac + if test "x${enable_prof_libgcc}" = "x1" ; then + backtrace_method="libgcc" + AC_DEFINE([JEMALLOC_PROF_LIBGCC], [ ]) + fi +else + enable_prof_libgcc="0" +fi + +AC_ARG_ENABLE([prof-gcc], + [AS_HELP_STRING([--disable-prof-gcc], + [Do not use gcc intrinsics for backtracing])], +[if test "x$enable_prof_gcc" = "xno" ; then + enable_prof_gcc="0" +else + enable_prof_gcc="1" +fi +], +[enable_prof_gcc="1"] +) +if test "x$backtrace_method" = "x" -a "x$enable_prof_gcc" = "x1" \ + -a "x$GCC" = "xyes" ; then + backtrace_method="gcc intrinsics" + AC_DEFINE([JEMALLOC_PROF_GCC], [ ]) +else + enable_prof_gcc="0" +fi + +if test "x$backtrace_method" = "x" ; then + backtrace_method="none (disabling profiling)" + enable_prof="0" +fi +AC_MSG_CHECKING([configured backtracing method]) +AC_MSG_RESULT([$backtrace_method]) +if test "x$enable_prof" = "x1" ; then + if test "x${force_tls}" = "x0" ; then + AC_MSG_ERROR([Heap profiling requires TLS]); + fi + force_tls="1" + AC_DEFINE([JEMALLOC_PROF], [ ]) +fi +AC_SUBST([enable_prof]) + +dnl Enable thread-specific caching by default. +AC_ARG_ENABLE([tcache], + [AS_HELP_STRING([--disable-tcache], [Disable per thread caches])], +[if test "x$enable_tcache" = "xno" ; then + enable_tcache="0" +else + enable_tcache="1" +fi +], +[enable_tcache="1"] +) +if test "x$enable_tcache" = "x1" ; then + AC_DEFINE([JEMALLOC_TCACHE], [ ]) +fi +AC_SUBST([enable_tcache]) + +dnl Disable mremap() for huge realloc() by default. +AC_ARG_ENABLE([mremap], + [AS_HELP_STRING([--enable-mremap], [Enable mremap(2) for huge realloc()])], +[if test "x$enable_mremap" = "xno" ; then + enable_mremap="0" +else + enable_mremap="1" +fi +], +[enable_mremap="0"] +) +if test "x$enable_mremap" = "x1" ; then + JE_COMPILABLE([mremap(...MREMAP_FIXED...)], [ +#define _GNU_SOURCE +#include +], [ +void *p = mremap((void *)0, 0, 0, MREMAP_MAYMOVE|MREMAP_FIXED, (void *)0); +], [je_cv_mremap_fixed]) + if test "x${je_cv_mremap_fixed}" = "xno" ; then + enable_mremap="0" + fi +fi +if test "x$enable_mremap" = "x1" ; then + AC_DEFINE([JEMALLOC_MREMAP], [ ]) +fi +AC_SUBST([enable_mremap]) + +dnl Enable VM deallocation via munmap() by default. +AC_ARG_ENABLE([munmap], + [AS_HELP_STRING([--disable-munmap], [Disable VM deallocation via munmap(2)])], +[if test "x$enable_munmap" = "xno" ; then + enable_munmap="0" +else + enable_munmap="1" +fi +], +[enable_munmap="${default_munmap}"] +) +if test "x$enable_munmap" = "x1" ; then + AC_DEFINE([JEMALLOC_MUNMAP], [ ]) +fi +AC_SUBST([enable_munmap]) + +dnl Do not enable allocation from DSS by default. +AC_ARG_ENABLE([dss], + [AS_HELP_STRING([--enable-dss], [Enable allocation from DSS])], +[if test "x$enable_dss" = "xno" ; then + enable_dss="0" +else + enable_dss="1" +fi +], +[enable_dss="0"] +) +dnl Check whether the BSD/SUSv1 sbrk() exists. If not, disable DSS support. +AC_CHECK_FUNC([sbrk], [have_sbrk="1"], [have_sbrk="0"]) +if test "x$have_sbrk" = "x1" ; then + AC_DEFINE([JEMALLOC_HAVE_SBRK], [ ]) +else + enable_dss="0" +fi + +if test "x$enable_dss" = "x1" ; then + AC_DEFINE([JEMALLOC_DSS], [ ]) +fi +AC_SUBST([enable_dss]) + +dnl Support the junk/zero filling option by default. +AC_ARG_ENABLE([fill], + [AS_HELP_STRING([--disable-fill], + [Disable support for junk/zero filling, quarantine, and redzones])], +[if test "x$enable_fill" = "xno" ; then + enable_fill="0" +else + enable_fill="1" +fi +], +[enable_fill="1"] +) +if test "x$enable_fill" = "x1" ; then + AC_DEFINE([JEMALLOC_FILL], [ ]) +fi +AC_SUBST([enable_fill]) + +dnl Disable utrace(2)-based tracing by default. +AC_ARG_ENABLE([utrace], + [AS_HELP_STRING([--enable-utrace], [Enable utrace(2)-based tracing])], +[if test "x$enable_utrace" = "xno" ; then + enable_utrace="0" +else + enable_utrace="1" +fi +], +[enable_utrace="0"] +) +JE_COMPILABLE([utrace(2)], [ +#include +#include +#include +#include +#include +], [ + utrace((void *)0, 0); +], [je_cv_utrace]) +if test "x${je_cv_utrace}" = "xno" ; then + enable_utrace="0" +fi +if test "x$enable_utrace" = "x1" ; then + AC_DEFINE([JEMALLOC_UTRACE], [ ]) +fi +AC_SUBST([enable_utrace]) + +dnl Support Valgrind by default. +AC_ARG_ENABLE([valgrind], + [AS_HELP_STRING([--disable-valgrind], [Disable support for Valgrind])], +[if test "x$enable_valgrind" = "xno" ; then + enable_valgrind="0" +else + enable_valgrind="1" +fi +], +[enable_valgrind="1"] +) +if test "x$enable_valgrind" = "x1" ; then + JE_COMPILABLE([valgrind], [ +#include +#include + +#if !defined(VALGRIND_RESIZEINPLACE_BLOCK) +# error "Incompatible Valgrind version" +#endif +], [], [je_cv_valgrind]) + if test "x${je_cv_valgrind}" = "xno" ; then + enable_valgrind="0" + fi + if test "x$enable_valgrind" = "x1" ; then + AC_DEFINE([JEMALLOC_VALGRIND], [ ]) + fi +fi +AC_SUBST([enable_valgrind]) + +dnl Do not support the xmalloc option by default. +AC_ARG_ENABLE([xmalloc], + [AS_HELP_STRING([--enable-xmalloc], [Support xmalloc option])], +[if test "x$enable_xmalloc" = "xno" ; then + enable_xmalloc="0" +else + enable_xmalloc="1" +fi +], +[enable_xmalloc="0"] +) +if test "x$enable_xmalloc" = "x1" ; then + AC_DEFINE([JEMALLOC_XMALLOC], [ ]) +fi +AC_SUBST([enable_xmalloc]) + +AC_CACHE_CHECK([STATIC_PAGE_SHIFT], + [je_cv_static_page_shift], + AC_RUN_IFELSE([AC_LANG_PROGRAM( +[[ +#include +#ifdef _WIN32 +#include +#else +#include +#endif +#include +]], +[[ + long result; + FILE *f; + +#ifdef _WIN32 + SYSTEM_INFO si; + GetSystemInfo(&si); + result = si.dwPageSize; +#else + result = sysconf(_SC_PAGESIZE); +#endif + if (result == -1) { + return 1; + } + result = ffsl(result) - 1; + + f = fopen("conftest.out", "w"); + if (f == NULL) { + return 1; + } + fprintf(f, "%u\n", result); + fclose(f); + + return 0; +]])], + [je_cv_static_page_shift=`cat conftest.out`], + [je_cv_static_page_shift=undefined])) + +if test "x$je_cv_static_page_shift" != "xundefined"; then + AC_DEFINE_UNQUOTED([STATIC_PAGE_SHIFT], [$je_cv_static_page_shift]) +else + AC_MSG_ERROR([cannot determine value for STATIC_PAGE_SHIFT]) +fi + +dnl ============================================================================ +dnl jemalloc configuration. +dnl + +dnl Set VERSION if source directory has an embedded git repository. +if test -d "${srcroot}.git" ; then + git describe --long --abbrev=40 > ${srcroot}VERSION +fi +jemalloc_version=`cat ${srcroot}VERSION` +jemalloc_version_major=`echo ${jemalloc_version} | tr ".g-" " " | awk '{print [$]1}'` +jemalloc_version_minor=`echo ${jemalloc_version} | tr ".g-" " " | awk '{print [$]2}'` +jemalloc_version_bugfix=`echo ${jemalloc_version} | tr ".g-" " " | awk '{print [$]3}'` +jemalloc_version_nrev=`echo ${jemalloc_version} | tr ".g-" " " | awk '{print [$]4}'` +jemalloc_version_gid=`echo ${jemalloc_version} | tr ".g-" " " | awk '{print [$]5}'` +AC_SUBST([jemalloc_version]) +AC_SUBST([jemalloc_version_major]) +AC_SUBST([jemalloc_version_minor]) +AC_SUBST([jemalloc_version_bugfix]) +AC_SUBST([jemalloc_version_nrev]) +AC_SUBST([jemalloc_version_gid]) + +dnl ============================================================================ +dnl Configure pthreads. + +if test "x$abi" != "xpecoff" ; then + AC_CHECK_HEADERS([pthread.h], , [AC_MSG_ERROR([pthread.h is missing])]) + dnl Some systems may embed pthreads functionality in libc; check for libpthread + dnl first, but try libc too before failing. + AC_CHECK_LIB([pthread], [pthread_create], [LIBS="$LIBS -lpthread"], + [AC_SEARCH_LIBS([pthread_create], , , + AC_MSG_ERROR([libpthread is missing]))]) +fi + +CPPFLAGS="$CPPFLAGS -D_REENTRANT" + +dnl Check whether the BSD-specific _malloc_thread_cleanup() exists. If so, use +dnl it rather than pthreads TSD cleanup functions to support cleanup during +dnl thread exit, in order to avoid pthreads library recursion during +dnl bootstrapping. +AC_CHECK_FUNC([_malloc_thread_cleanup], + [have__malloc_thread_cleanup="1"], + [have__malloc_thread_cleanup="0"] + ) +if test "x$have__malloc_thread_cleanup" = "x1" ; then + AC_DEFINE([JEMALLOC_MALLOC_THREAD_CLEANUP], [ ]) + force_tls="1" +fi + +dnl Check whether the BSD-specific _pthread_mutex_init_calloc_cb() exists. If +dnl so, mutex initialization causes allocation, and we need to implement this +dnl callback function in order to prevent recursive allocation. +AC_CHECK_FUNC([_pthread_mutex_init_calloc_cb], + [have__pthread_mutex_init_calloc_cb="1"], + [have__pthread_mutex_init_calloc_cb="0"] + ) +if test "x$have__pthread_mutex_init_calloc_cb" = "x1" ; then + AC_DEFINE([JEMALLOC_MUTEX_INIT_CB]) +fi + +dnl Disable lazy locking by default. +AC_ARG_ENABLE([lazy_lock], + [AS_HELP_STRING([--enable-lazy-lock], + [Enable lazy locking (only lock when multi-threaded)])], +[if test "x$enable_lazy_lock" = "xno" ; then + enable_lazy_lock="0" +else + enable_lazy_lock="1" +fi +], +[enable_lazy_lock="0"] +) +if test "x$enable_lazy_lock" = "x0" -a "x${force_lazy_lock}" = "x1" ; then + AC_MSG_RESULT([Forcing lazy-lock to avoid allocator/threading bootstrap issues]) + enable_lazy_lock="1" +fi +if test "x$enable_lazy_lock" = "x1" ; then + if test "x$abi" != "xpecoff" ; then + AC_CHECK_HEADERS([dlfcn.h], , [AC_MSG_ERROR([dlfcn.h is missing])]) + AC_CHECK_FUNC([dlsym], [], + [AC_CHECK_LIB([dl], [dlsym], [LIBS="$LIBS -ldl"], + [AC_MSG_ERROR([libdl is missing])]) + ]) + fi + AC_DEFINE([JEMALLOC_LAZY_LOCK], [ ]) +fi +AC_SUBST([enable_lazy_lock]) + +AC_ARG_ENABLE([tls], + [AS_HELP_STRING([--disable-tls], [Disable thread-local storage (__thread keyword)])], +if test "x$enable_tls" = "xno" ; then + enable_tls="0" +else + enable_tls="1" +fi +, +enable_tls="1" +) +if test "x${enable_tls}" = "x0" -a "x${force_tls}" = "x1" ; then + AC_MSG_RESULT([Forcing TLS to avoid allocator/threading bootstrap issues]) + enable_tls="1" +fi +if test "x${enable_tls}" = "x1" -a "x${force_tls}" = "x0" ; then + AC_MSG_RESULT([Forcing no TLS to avoid allocator/threading bootstrap issues]) + enable_tls="0" +fi +if test "x${enable_tls}" = "x1" ; then +AC_MSG_CHECKING([for TLS]) +AC_COMPILE_IFELSE([AC_LANG_PROGRAM( +[[ + __thread int x; +]], [[ + x = 42; + + return 0; +]])], + AC_MSG_RESULT([yes]), + AC_MSG_RESULT([no]) + enable_tls="0") +fi +AC_SUBST([enable_tls]) +if test "x${enable_tls}" = "x1" ; then + AC_DEFINE_UNQUOTED([JEMALLOC_TLS], [ ]) +elif test "x${force_tls}" = "x1" ; then + AC_MSG_ERROR([Failed to configure TLS, which is mandatory for correct function]) +fi + +dnl ============================================================================ +dnl Check for ffsl(3), and fail if not found. This function exists on all +dnl platforms that jemalloc currently has a chance of functioning on without +dnl modification. +JE_COMPILABLE([a program using ffsl], [ +#include +#include +], [ + { + int rv = ffsl(0x08); + } +], [je_cv_function_ffsl]) +if test "x${je_cv_function_ffsl}" != "xyes" ; then + AC_MSG_ERROR([Cannot build without ffsl(3)]) +fi + +dnl ============================================================================ +dnl Check for atomic(9) operations as provided on FreeBSD. + +JE_COMPILABLE([atomic(9)], [ +#include +#include +#include +], [ + { + uint32_t x32 = 0; + volatile uint32_t *x32p = &x32; + atomic_fetchadd_32(x32p, 1); + } + { + unsigned long xlong = 0; + volatile unsigned long *xlongp = &xlong; + atomic_fetchadd_long(xlongp, 1); + } +], [je_cv_atomic9]) +if test "x${je_cv_atomic9}" = "xyes" ; then + AC_DEFINE([JEMALLOC_ATOMIC9]) +fi + +dnl ============================================================================ +dnl Check for atomic(3) operations as provided on Darwin. + +JE_COMPILABLE([Darwin OSAtomic*()], [ +#include +#include +], [ + { + int32_t x32 = 0; + volatile int32_t *x32p = &x32; + OSAtomicAdd32(1, x32p); + } + { + int64_t x64 = 0; + volatile int64_t *x64p = &x64; + OSAtomicAdd64(1, x64p); + } +], [je_cv_osatomic]) +if test "x${je_cv_osatomic}" = "xyes" ; then + AC_DEFINE([JEMALLOC_OSATOMIC], [ ]) +fi + +dnl ============================================================================ +dnl Check whether __sync_{add,sub}_and_fetch() are available despite +dnl __GCC_HAVE_SYNC_COMPARE_AND_SWAP_n macros being undefined. + +AC_DEFUN([JE_SYNC_COMPARE_AND_SWAP_CHECK],[ + AC_CACHE_CHECK([whether to force $1-bit __sync_{add,sub}_and_fetch()], + [je_cv_sync_compare_and_swap_$2], + [AC_LINK_IFELSE([AC_LANG_PROGRAM([ + #include + ], + [ + #ifndef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_$2 + { + uint$1_t x$1 = 0; + __sync_add_and_fetch(&x$1, 42); + __sync_sub_and_fetch(&x$1, 1); + } + #else + #error __GCC_HAVE_SYNC_COMPARE_AND_SWAP_$2 is defined, no need to force + #endif + ])], + [je_cv_sync_compare_and_swap_$2=yes], + [je_cv_sync_compare_and_swap_$2=no])]) + + if test "x${je_cv_sync_compare_and_swap_$2}" = "xyes" ; then + AC_DEFINE([JE_FORCE_SYNC_COMPARE_AND_SWAP_$2], [ ]) + fi +]) + +if test "x${je_cv_atomic9}" != "xyes" -a "x${je_cv_osatomic}" != "xyes" ; then + JE_SYNC_COMPARE_AND_SWAP_CHECK(32, 4) + JE_SYNC_COMPARE_AND_SWAP_CHECK(64, 8) +fi + +dnl ============================================================================ +dnl Check for spinlock(3) operations as provided on Darwin. + +JE_COMPILABLE([Darwin OSSpin*()], [ +#include +#include +], [ + OSSpinLock lock = 0; + OSSpinLockLock(&lock); + OSSpinLockUnlock(&lock); +], [je_cv_osspin]) +if test "x${je_cv_osspin}" = "xyes" ; then + AC_DEFINE([JEMALLOC_OSSPIN], [ ]) +fi + +dnl ============================================================================ +dnl Darwin-related configuration. + +if test "x${abi}" = "xmacho" ; then + AC_DEFINE([JEMALLOC_IVSALLOC], [ ]) + AC_DEFINE([JEMALLOC_ZONE], [ ]) + + dnl The szone version jumped from 3 to 6 between the OS X 10.5.x and 10.6 + dnl releases. malloc_zone_t and malloc_introspection_t have new fields in + dnl 10.6, which is the only source-level indication of the change. + AC_MSG_CHECKING([malloc zone version]) + AC_DEFUN([JE_ZONE_PROGRAM], + [AC_LANG_PROGRAM( + [#include ], + [static foo[[sizeof($1) $2 sizeof(void *) * $3 ? 1 : -1]]] + )]) + + AC_COMPILE_IFELSE([JE_ZONE_PROGRAM(malloc_zone_t,==,14)],[JEMALLOC_ZONE_VERSION=3],[ + AC_COMPILE_IFELSE([JE_ZONE_PROGRAM(malloc_zone_t,==,15)],[JEMALLOC_ZONE_VERSION=5],[ + AC_COMPILE_IFELSE([JE_ZONE_PROGRAM(malloc_zone_t,==,16)],[ + AC_COMPILE_IFELSE([JE_ZONE_PROGRAM(malloc_introspection_t,==,9)],[JEMALLOC_ZONE_VERSION=6],[ + AC_COMPILE_IFELSE([JE_ZONE_PROGRAM(malloc_introspection_t,==,13)],[JEMALLOC_ZONE_VERSION=7],[JEMALLOC_ZONE_VERSION=] + )])],[ + AC_COMPILE_IFELSE([JE_ZONE_PROGRAM(malloc_zone_t,==,17)],[JEMALLOC_ZONE_VERSION=8],[ + AC_COMPILE_IFELSE([JE_ZONE_PROGRAM(malloc_zone_t,>,17)],[JEMALLOC_ZONE_VERSION=9],[JEMALLOC_ZONE_VERSION=] + )])])])]) + if test "x${JEMALLOC_ZONE_VERSION}" = "x"; then + AC_MSG_RESULT([unsupported]) + AC_MSG_ERROR([Unsupported malloc zone version]) + fi + if test "${JEMALLOC_ZONE_VERSION}" = 9; then + JEMALLOC_ZONE_VERSION=8 + AC_MSG_RESULT([> 8]) + else + AC_MSG_RESULT([$JEMALLOC_ZONE_VERSION]) + fi + AC_DEFINE_UNQUOTED(JEMALLOC_ZONE_VERSION, [$JEMALLOC_ZONE_VERSION]) +fi + +dnl ============================================================================ +dnl Check for typedefs, structures, and compiler characteristics. +AC_HEADER_STDBOOL + +AC_CONFIG_COMMANDS([include/jemalloc/internal/size_classes.h], [ + mkdir -p "include/jemalloc/internal" + "${srcdir}/include/jemalloc/internal/size_classes.sh" > "${objroot}include/jemalloc/internal/size_classes.h" +]) + +dnl Process .in files. +AC_SUBST([cfghdrs_in]) +AC_SUBST([cfghdrs_out]) +AC_CONFIG_HEADERS([$cfghdrs_tup]) + +dnl ============================================================================ +dnl Generate outputs. +AC_CONFIG_FILES([$cfgoutputs_tup config.stamp bin/jemalloc.sh]) +AC_SUBST([cfgoutputs_in]) +AC_SUBST([cfgoutputs_out]) +AC_OUTPUT + +dnl ============================================================================ +dnl Print out the results of configuration. +AC_MSG_RESULT([===============================================================================]) +AC_MSG_RESULT([jemalloc version : ${jemalloc_version}]) +AC_MSG_RESULT([library revision : ${rev}]) +AC_MSG_RESULT([]) +AC_MSG_RESULT([CC : ${CC}]) +AC_MSG_RESULT([CPPFLAGS : ${CPPFLAGS}]) +AC_MSG_RESULT([CFLAGS : ${CFLAGS}]) +AC_MSG_RESULT([LDFLAGS : ${LDFLAGS}]) +AC_MSG_RESULT([LIBS : ${LIBS}]) +AC_MSG_RESULT([RPATH_EXTRA : ${RPATH_EXTRA}]) +AC_MSG_RESULT([]) +AC_MSG_RESULT([XSLTPROC : ${XSLTPROC}]) +AC_MSG_RESULT([XSLROOT : ${XSLROOT}]) +AC_MSG_RESULT([]) +AC_MSG_RESULT([PREFIX : ${PREFIX}]) +AC_MSG_RESULT([BINDIR : ${BINDIR}]) +AC_MSG_RESULT([INCLUDEDIR : ${INCLUDEDIR}]) +AC_MSG_RESULT([LIBDIR : ${LIBDIR}]) +AC_MSG_RESULT([DATADIR : ${DATADIR}]) +AC_MSG_RESULT([MANDIR : ${MANDIR}]) +AC_MSG_RESULT([]) +AC_MSG_RESULT([srcroot : ${srcroot}]) +AC_MSG_RESULT([abs_srcroot : ${abs_srcroot}]) +AC_MSG_RESULT([objroot : ${objroot}]) +AC_MSG_RESULT([abs_objroot : ${abs_objroot}]) +AC_MSG_RESULT([]) +AC_MSG_RESULT([JEMALLOC_PREFIX : ${JEMALLOC_PREFIX}]) +AC_MSG_RESULT([JEMALLOC_PRIVATE_NAMESPACE]) +AC_MSG_RESULT([ : ${JEMALLOC_PRIVATE_NAMESPACE}]) +AC_MSG_RESULT([install_suffix : ${install_suffix}]) +AC_MSG_RESULT([autogen : ${enable_autogen}]) +AC_MSG_RESULT([experimental : ${enable_experimental}]) +AC_MSG_RESULT([cc-silence : ${enable_cc_silence}]) +AC_MSG_RESULT([debug : ${enable_debug}]) +AC_MSG_RESULT([stats : ${enable_stats}]) +AC_MSG_RESULT([prof : ${enable_prof}]) +AC_MSG_RESULT([prof-libunwind : ${enable_prof_libunwind}]) +AC_MSG_RESULT([prof-libgcc : ${enable_prof_libgcc}]) +AC_MSG_RESULT([prof-gcc : ${enable_prof_gcc}]) +AC_MSG_RESULT([tcache : ${enable_tcache}]) +AC_MSG_RESULT([fill : ${enable_fill}]) +AC_MSG_RESULT([utrace : ${enable_utrace}]) +AC_MSG_RESULT([valgrind : ${enable_valgrind}]) +AC_MSG_RESULT([xmalloc : ${enable_xmalloc}]) +AC_MSG_RESULT([mremap : ${enable_mremap}]) +AC_MSG_RESULT([munmap : ${enable_munmap}]) +AC_MSG_RESULT([dss : ${enable_dss}]) +AC_MSG_RESULT([lazy_lock : ${enable_lazy_lock}]) +AC_MSG_RESULT([tls : ${enable_tls}]) +AC_MSG_RESULT([===============================================================================]) diff --git a/deps/jemalloc/doc/html.xsl.in b/deps/jemalloc/doc/html.xsl.in new file mode 100644 index 0000000..a91d974 --- /dev/null +++ b/deps/jemalloc/doc/html.xsl.in @@ -0,0 +1,4 @@ + + + + diff --git a/deps/jemalloc/doc/jemalloc.3 b/deps/jemalloc/doc/jemalloc.3 new file mode 100644 index 0000000..4c198b6 --- /dev/null +++ b/deps/jemalloc/doc/jemalloc.3 @@ -0,0 +1,1482 @@ +'\" t +.\" Title: JEMALLOC +.\" Author: Jason Evans +.\" Generator: DocBook XSL Stylesheets v1.76.1 +.\" Date: 11/09/2012 +.\" Manual: User Manual +.\" Source: jemalloc 3.2.0-0-g87499f6748ebe4817571e817e9f680ccb5bf54a9 +.\" Language: English +.\" +.TH "JEMALLOC" "3" "11/09/2012" "jemalloc 3.2.0-0-g87499f6748eb" "User Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +jemalloc \- general purpose memory allocation functions +.SH "LIBRARY" +.PP +This manual describes jemalloc 3\&.2\&.0\-0\-g87499f6748ebe4817571e817e9f680ccb5bf54a9\&. More information can be found at the +\m[blue]\fBjemalloc website\fR\m[]\&\s-2\u[1]\d\s+2\&. +.SH "SYNOPSIS" +.sp +.ft B +.nf +#include +#include +.fi +.ft +.SS "Standard API" +.HP \w'void\ *malloc('u +.BI "void *malloc(size_t\ " "size" ");" +.HP \w'void\ *calloc('u +.BI "void *calloc(size_t\ " "number" ", size_t\ " "size" ");" +.HP \w'int\ posix_memalign('u +.BI "int posix_memalign(void\ **" "ptr" ", size_t\ " "alignment" ", size_t\ " "size" ");" +.HP \w'void\ *aligned_alloc('u +.BI "void *aligned_alloc(size_t\ " "alignment" ", size_t\ " "size" ");" +.HP \w'void\ *realloc('u +.BI "void *realloc(void\ *" "ptr" ", size_t\ " "size" ");" +.HP \w'void\ free('u +.BI "void free(void\ *" "ptr" ");" +.SS "Non\-standard API" +.HP \w'size_t\ malloc_usable_size('u +.BI "size_t malloc_usable_size(const\ void\ *" "ptr" ");" +.HP \w'void\ malloc_stats_print('u +.BI "void malloc_stats_print(void\ " "(*write_cb)" "\ (void\ *,\ const\ char\ *), void\ *" "cbopaque" ", const\ char\ *" "opts" ");" +.HP \w'int\ mallctl('u +.BI "int mallctl(const\ char\ *" "name" ", void\ *" "oldp" ", size_t\ *" "oldlenp" ", void\ *" "newp" ", size_t\ " "newlen" ");" +.HP \w'int\ mallctlnametomib('u +.BI "int mallctlnametomib(const\ char\ *" "name" ", size_t\ *" "mibp" ", size_t\ *" "miblenp" ");" +.HP \w'int\ mallctlbymib('u +.BI "int mallctlbymib(const\ size_t\ *" "mib" ", size_t\ " "miblen" ", void\ *" "oldp" ", size_t\ *" "oldlenp" ", void\ *" "newp" ", size_t\ " "newlen" ");" +.HP \w'void\ (*malloc_message)('u +.BI "void (*malloc_message)(void\ *" "cbopaque" ", const\ char\ *" "s" ");" +.PP +const char *\fImalloc_conf\fR; +.SS "Experimental API" +.HP \w'int\ allocm('u +.BI "int allocm(void\ **" "ptr" ", size_t\ *" "rsize" ", size_t\ " "size" ", int\ " "flags" ");" +.HP \w'int\ rallocm('u +.BI "int rallocm(void\ **" "ptr" ", size_t\ *" "rsize" ", size_t\ " "size" ", size_t\ " "extra" ", int\ " "flags" ");" +.HP \w'int\ sallocm('u +.BI "int sallocm(const\ void\ *" "ptr" ", size_t\ *" "rsize" ", int\ " "flags" ");" +.HP \w'int\ dallocm('u +.BI "int dallocm(void\ *" "ptr" ", int\ " "flags" ");" +.HP \w'int\ nallocm('u +.BI "int nallocm(size_t\ *" "rsize" ", size_t\ " "size" ", int\ " "flags" ");" +.SH "DESCRIPTION" +.SS "Standard API" +.PP +The +\fBmalloc\fR\fB\fR +function allocates +\fIsize\fR +bytes of uninitialized memory\&. The allocated space is suitably aligned (after possible pointer coercion) for storage of any type of object\&. +.PP +The +\fBcalloc\fR\fB\fR +function allocates space for +\fInumber\fR +objects, each +\fIsize\fR +bytes in length\&. The result is identical to calling +\fBmalloc\fR\fB\fR +with an argument of +\fInumber\fR +* +\fIsize\fR, with the exception that the allocated memory is explicitly initialized to zero bytes\&. +.PP +The +\fBposix_memalign\fR\fB\fR +function allocates +\fIsize\fR +bytes of memory such that the allocation\*(Aqs base address is an even multiple of +\fIalignment\fR, and returns the allocation in the value pointed to by +\fIptr\fR\&. The requested +\fIalignment\fR +must be a power of 2 at least as large as +sizeof(\fBvoid *\fR)\&. +.PP +The +\fBaligned_alloc\fR\fB\fR +function allocates +\fIsize\fR +bytes of memory such that the allocation\*(Aqs base address is an even multiple of +\fIalignment\fR\&. The requested +\fIalignment\fR +must be a power of 2\&. Behavior is undefined if +\fIsize\fR +is not an integral multiple of +\fIalignment\fR\&. +.PP +The +\fBrealloc\fR\fB\fR +function changes the size of the previously allocated memory referenced by +\fIptr\fR +to +\fIsize\fR +bytes\&. The contents of the memory are unchanged up to the lesser of the new and old sizes\&. If the new size is larger, the contents of the newly allocated portion of the memory are undefined\&. Upon success, the memory referenced by +\fIptr\fR +is freed and a pointer to the newly allocated memory is returned\&. Note that +\fBrealloc\fR\fB\fR +may move the memory allocation, resulting in a different return value than +\fIptr\fR\&. If +\fIptr\fR +is +\fBNULL\fR, the +\fBrealloc\fR\fB\fR +function behaves identically to +\fBmalloc\fR\fB\fR +for the specified size\&. +.PP +The +\fBfree\fR\fB\fR +function causes the allocated memory referenced by +\fIptr\fR +to be made available for future allocations\&. If +\fIptr\fR +is +\fBNULL\fR, no action occurs\&. +.SS "Non\-standard API" +.PP +The +\fBmalloc_usable_size\fR\fB\fR +function returns the usable size of the allocation pointed to by +\fIptr\fR\&. The return value may be larger than the size that was requested during allocation\&. The +\fBmalloc_usable_size\fR\fB\fR +function is not a mechanism for in\-place +\fBrealloc\fR\fB\fR; rather it is provided solely as a tool for introspection purposes\&. Any discrepancy between the requested allocation size and the size reported by +\fBmalloc_usable_size\fR\fB\fR +should not be depended on, since such behavior is entirely implementation\-dependent\&. +.PP +The +\fBmalloc_stats_print\fR\fB\fR +function writes human\-readable summary statistics via the +\fIwrite_cb\fR +callback function pointer and +\fIcbopaque\fR +data passed to +\fIwrite_cb\fR, or +\fBmalloc_message\fR\fB\fR +if +\fIwrite_cb\fR +is +\fBNULL\fR\&. This function can be called repeatedly\&. General information that never changes during execution can be omitted by specifying "g" as a character within the +\fIopts\fR +string\&. Note that +\fBmalloc_message\fR\fB\fR +uses the +\fBmallctl*\fR\fB\fR +functions internally, so inconsistent statistics can be reported if multiple threads use these functions simultaneously\&. If +\fB\-\-enable\-stats\fR +is specified during configuration, \(lqm\(rq and \(lqa\(rq can be specified to omit merged arena and per arena statistics, respectively; \(lqb\(rq and \(lql\(rq can be specified to omit per size class statistics for bins and large objects, respectively\&. Unrecognized characters are silently ignored\&. Note that thread caching may prevent some statistics from being completely up to date, since extra locking would be required to merge counters that track thread cache operations\&. +.PP +The +\fBmallctl\fR\fB\fR +function provides a general interface for introspecting the memory allocator, as well as setting modifiable parameters and triggering actions\&. The period\-separated +\fIname\fR +argument specifies a location in a tree\-structured namespace; see the +MALLCTL NAMESPACE +section for documentation on the tree contents\&. To read a value, pass a pointer via +\fIoldp\fR +to adequate space to contain the value, and a pointer to its length via +\fIoldlenp\fR; otherwise pass +\fBNULL\fR +and +\fBNULL\fR\&. Similarly, to write a value, pass a pointer to the value via +\fInewp\fR, and its length via +\fInewlen\fR; otherwise pass +\fBNULL\fR +and +\fB0\fR\&. +.PP +The +\fBmallctlnametomib\fR\fB\fR +function provides a way to avoid repeated name lookups for applications that repeatedly query the same portion of the namespace, by translating a name to a \(lqManagement Information Base\(rq (MIB) that can be passed repeatedly to +\fBmallctlbymib\fR\fB\fR\&. Upon successful return from +\fBmallctlnametomib\fR\fB\fR, +\fImibp\fR +contains an array of +\fI*miblenp\fR +integers, where +\fI*miblenp\fR +is the lesser of the number of components in +\fIname\fR +and the input value of +\fI*miblenp\fR\&. Thus it is possible to pass a +\fI*miblenp\fR +that is smaller than the number of period\-separated name components, which results in a partial MIB that can be used as the basis for constructing a complete MIB\&. For name components that are integers (e\&.g\&. the 2 in +"arenas\&.bin\&.2\&.size"), the corresponding MIB component will always be that integer\&. Therefore, it is legitimate to construct code like the following: +.sp +.if n \{\ +.RS 4 +.\} +.nf +unsigned nbins, i; + +int mib[4]; +size_t len, miblen; + +len = sizeof(nbins); +mallctl("arenas\&.nbins", &nbins, &len, NULL, 0); + +miblen = 4; +mallnametomib("arenas\&.bin\&.0\&.size", mib, &miblen); +for (i = 0; i < nbins; i++) { + size_t bin_size; + + mib[2] = i; + len = sizeof(bin_size); + mallctlbymib(mib, miblen, &bin_size, &len, NULL, 0); + /* Do something with bin_size\&.\&.\&. */ +} +.fi +.if n \{\ +.RE +.\} +.SS "Experimental API" +.PP +The experimental API is subject to change or removal without regard for backward compatibility\&. If +\fB\-\-disable\-experimental\fR +is specified during configuration, the experimental API is omitted\&. +.PP +The +\fBallocm\fR\fB\fR, +\fBrallocm\fR\fB\fR, +\fBsallocm\fR\fB\fR, +\fBdallocm\fR\fB\fR, and +\fBnallocm\fR\fB\fR +functions all have a +\fIflags\fR +argument that can be used to specify options\&. The functions only check the options that are contextually relevant\&. Use bitwise or (|) operations to specify one or more of the following: +.PP +\fBALLOCM_LG_ALIGN(\fR\fB\fIla\fR\fR\fB) \fR +.RS 4 +Align the memory allocation to start at an address that is a multiple of +(1 << \fIla\fR)\&. This macro does not validate that +\fIla\fR +is within the valid range\&. +.RE +.PP +\fBALLOCM_ALIGN(\fR\fB\fIa\fR\fR\fB) \fR +.RS 4 +Align the memory allocation to start at an address that is a multiple of +\fIa\fR, where +\fIa\fR +is a power of two\&. This macro does not validate that +\fIa\fR +is a power of 2\&. +.RE +.PP +\fBALLOCM_ZERO\fR +.RS 4 +Initialize newly allocated memory to contain zero bytes\&. In the growing reallocation case, the real size prior to reallocation defines the boundary between untouched bytes and those that are initialized to contain zero bytes\&. If this option is absent, newly allocated memory is uninitialized\&. +.RE +.PP +\fBALLOCM_NO_MOVE\fR +.RS 4 +For reallocation, fail rather than moving the object\&. This constraint can apply to both growth and shrinkage\&. +.RE +.PP +\fBALLOCM_ARENA(\fR\fB\fIa\fR\fR\fB) \fR +.RS 4 +Use the arena specified by the index +\fIa\fR\&. This macro does not validate that +\fIa\fR +specifies an arena in the valid range\&. +.RE +.PP +The +\fBallocm\fR\fB\fR +function allocates at least +\fIsize\fR +bytes of memory, sets +\fI*ptr\fR +to the base address of the allocation, and sets +\fI*rsize\fR +to the real size of the allocation if +\fIrsize\fR +is not +\fBNULL\fR\&. Behavior is undefined if +\fIsize\fR +is +\fB0\fR\&. +.PP +The +\fBrallocm\fR\fB\fR +function resizes the allocation at +\fI*ptr\fR +to be at least +\fIsize\fR +bytes, sets +\fI*ptr\fR +to the base address of the allocation if it moved, and sets +\fI*rsize\fR +to the real size of the allocation if +\fIrsize\fR +is not +\fBNULL\fR\&. If +\fIextra\fR +is non\-zero, an attempt is made to resize the allocation to be at least +\fIsize\fR + \fIextra\fR) +bytes, though inability to allocate the extra byte(s) will not by itself result in failure\&. Behavior is undefined if +\fIsize\fR +is +\fB0\fR, or if +(\fIsize\fR + \fIextra\fR > \fBSIZE_T_MAX\fR)\&. +.PP +The +\fBsallocm\fR\fB\fR +function sets +\fI*rsize\fR +to the real size of the allocation\&. +.PP +The +\fBdallocm\fR\fB\fR +function causes the memory referenced by +\fIptr\fR +to be made available for future allocations\&. +.PP +The +\fBnallocm\fR\fB\fR +function allocates no memory, but it performs the same size computation as the +\fBallocm\fR\fB\fR +function, and if +\fIrsize\fR +is not +\fBNULL\fR +it sets +\fI*rsize\fR +to the real size of the allocation that would result from the equivalent +\fBallocm\fR\fB\fR +function call\&. Behavior is undefined if +\fIsize\fR +is +\fB0\fR\&. +.SH "TUNING" +.PP +Once, when the first call is made to one of the memory allocation routines, the allocator initializes its internals based in part on various options that can be specified at compile\- or run\-time\&. +.PP +The string pointed to by the global variable +\fImalloc_conf\fR, the \(lqname\(rq of the file referenced by the symbolic link named +/etc/malloc\&.conf, and the value of the environment variable +\fBMALLOC_CONF\fR, will be interpreted, in that order, from left to right as options\&. +.PP +An options string is a comma\-separated list of option:value pairs\&. There is one key corresponding to each +"opt\&.*" +mallctl (see the +MALLCTL NAMESPACE +section for options documentation)\&. For example, +abort:true,narenas:1 +sets the +"opt\&.abort" +and +"opt\&.narenas" +options\&. Some options have boolean values (true/false), others have integer values (base 8, 10, or 16, depending on prefix), and yet others have raw string values\&. +.SH "IMPLEMENTATION NOTES" +.PP +Traditionally, allocators have used +\fBsbrk\fR(2) +to obtain memory, which is suboptimal for several reasons, including race conditions, increased fragmentation, and artificial limitations on maximum usable memory\&. If +\fB\-\-enable\-dss\fR +is specified during configuration, this allocator uses both +\fBmmap\fR(2) +and +\fBsbrk\fR(2), in that order of preference; otherwise only +\fBmmap\fR(2) +is used\&. +.PP +This allocator uses multiple arenas in order to reduce lock contention for threaded programs on multi\-processor systems\&. This works well with regard to threading scalability, but incurs some costs\&. There is a small fixed per\-arena overhead, and additionally, arenas manage memory completely independently of each other, which means a small fixed increase in overall memory fragmentation\&. These overheads are not generally an issue, given the number of arenas normally used\&. Note that using substantially more arenas than the default is not likely to improve performance, mainly due to reduced cache performance\&. However, it may make sense to reduce the number of arenas if an application does not make much use of the allocation functions\&. +.PP +In addition to multiple arenas, unless +\fB\-\-disable\-tcache\fR +is specified during configuration, this allocator supports thread\-specific caching for small and large objects, in order to make it possible to completely avoid synchronization for most allocation requests\&. Such caching allows very fast allocation in the common case, but it increases memory usage and fragmentation, since a bounded number of objects can remain allocated in each thread cache\&. +.PP +Memory is conceptually broken into equal\-sized chunks, where the chunk size is a power of two that is greater than the page size\&. Chunks are always aligned to multiples of the chunk size\&. This alignment makes it possible to find metadata for user objects very quickly\&. +.PP +User objects are broken into three categories according to size: small, large, and huge\&. Small objects are smaller than one page\&. Large objects are smaller than the chunk size\&. Huge objects are a multiple of the chunk size\&. Small and large objects are managed by arenas; huge objects are managed separately in a single data structure that is shared by all threads\&. Huge objects are used by applications infrequently enough that this single data structure is not a scalability issue\&. +.PP +Each chunk that is managed by an arena tracks its contents as runs of contiguous pages (unused, backing a set of small objects, or backing one large object)\&. The combination of chunk alignment and chunk page maps makes it possible to determine all metadata regarding small and large allocations in constant time\&. +.PP +Small objects are managed in groups by page runs\&. Each run maintains a frontier and free list to track which regions are in use\&. Allocation requests that are no more than half the quantum (8 or 16, depending on architecture) are rounded up to the nearest power of two that is at least +sizeof(\fBdouble\fR)\&. All other small object size classes are multiples of the quantum, spaced such that internal fragmentation is limited to approximately 25% for all but the smallest size classes\&. Allocation requests that are larger than the maximum small size class, but small enough to fit in an arena\-managed chunk (see the +"opt\&.lg_chunk" +option), are rounded up to the nearest run size\&. Allocation requests that are too large to fit in an arena\-managed chunk are rounded up to the nearest multiple of the chunk size\&. +.PP +Allocations are packed tightly together, which can be an issue for multi\-threaded applications\&. If you need to assure that allocations do not suffer from cacheline sharing, round your allocation requests up to the nearest multiple of the cacheline size, or specify cacheline alignment when allocating\&. +.PP +Assuming 4 MiB chunks, 4 KiB pages, and a 16\-byte quantum on a 64\-bit system, the size classes in each category are as shown in +Table 1\&. +.sp +.it 1 an-trap +.nr an-no-space-flag 1 +.nr an-break-flag 1 +.br +.B Table\ \&1.\ \&Size classes +.TS +allbox tab(:); +lB rB lB. +T{ +Category +T}:T{ +Spacing +T}:T{ +Size +T} +.T& +l r l +^ r l +^ r l +^ r l +^ r l +^ r l +^ r l +l r l +l r l. +T{ +Small +T}:T{ +lg +T}:T{ +[8] +T} +:T{ +16 +T}:T{ +[16, 32, 48, \&.\&.\&., 128] +T} +:T{ +32 +T}:T{ +[160, 192, 224, 256] +T} +:T{ +64 +T}:T{ +[320, 384, 448, 512] +T} +:T{ +128 +T}:T{ +[640, 768, 896, 1024] +T} +:T{ +256 +T}:T{ +[1280, 1536, 1792, 2048] +T} +:T{ +512 +T}:T{ +[2560, 3072, 3584] +T} +T{ +Large +T}:T{ +4 KiB +T}:T{ +[4 KiB, 8 KiB, 12 KiB, \&.\&.\&., 4072 KiB] +T} +T{ +Huge +T}:T{ +4 MiB +T}:T{ +[4 MiB, 8 MiB, 12 MiB, \&.\&.\&.] +T} +.TE +.sp 1 +.SH "MALLCTL NAMESPACE" +.PP +The following names are defined in the namespace accessible via the +\fBmallctl*\fR\fB\fR +functions\&. Value types are specified in parentheses, their readable/writable statuses are encoded as +rw, +r\-, +\-w, or +\-\-, and required build configuration flags follow, if any\&. A name element encoded as + +or + +indicates an integer component, where the integer varies from 0 to some upper value that must be determined via introspection\&. In the case of +"stats\&.arenas\&.\&.*", + +equal to +"arenas\&.narenas" +can be used to access the summation of statistics from all arenas\&. Take special note of the +"epoch" +mallctl, which controls refreshing of cached dynamic statistics\&. +.PP +"version" (\fBconst char *\fR) r\- +.RS 4 +Return the jemalloc version string\&. +.RE +.PP +"epoch" (\fBuint64_t\fR) rw +.RS 4 +If a value is passed in, refresh the data from which the +\fBmallctl*\fR\fB\fR +functions report values, and increment the epoch\&. Return the current epoch\&. This is useful for detecting whether another thread caused a refresh\&. +.RE +.PP +"config\&.debug" (\fBbool\fR) r\- +.RS 4 +\fB\-\-enable\-debug\fR +was specified during build configuration\&. +.RE +.PP +"config\&.dss" (\fBbool\fR) r\- +.RS 4 +\fB\-\-enable\-dss\fR +was specified during build configuration\&. +.RE +.PP +"config\&.fill" (\fBbool\fR) r\- +.RS 4 +\fB\-\-enable\-fill\fR +was specified during build configuration\&. +.RE +.PP +"config\&.lazy_lock" (\fBbool\fR) r\- +.RS 4 +\fB\-\-enable\-lazy\-lock\fR +was specified during build configuration\&. +.RE +.PP +"config\&.mremap" (\fBbool\fR) r\- +.RS 4 +\fB\-\-enable\-mremap\fR +was specified during build configuration\&. +.RE +.PP +"config\&.munmap" (\fBbool\fR) r\- +.RS 4 +\fB\-\-enable\-munmap\fR +was specified during build configuration\&. +.RE +.PP +"config\&.prof" (\fBbool\fR) r\- +.RS 4 +\fB\-\-enable\-prof\fR +was specified during build configuration\&. +.RE +.PP +"config\&.prof_libgcc" (\fBbool\fR) r\- +.RS 4 +\fB\-\-disable\-prof\-libgcc\fR +was not specified during build configuration\&. +.RE +.PP +"config\&.prof_libunwind" (\fBbool\fR) r\- +.RS 4 +\fB\-\-enable\-prof\-libunwind\fR +was specified during build configuration\&. +.RE +.PP +"config\&.stats" (\fBbool\fR) r\- +.RS 4 +\fB\-\-enable\-stats\fR +was specified during build configuration\&. +.RE +.PP +"config\&.tcache" (\fBbool\fR) r\- +.RS 4 +\fB\-\-disable\-tcache\fR +was not specified during build configuration\&. +.RE +.PP +"config\&.tls" (\fBbool\fR) r\- +.RS 4 +\fB\-\-disable\-tls\fR +was not specified during build configuration\&. +.RE +.PP +"config\&.utrace" (\fBbool\fR) r\- +.RS 4 +\fB\-\-enable\-utrace\fR +was specified during build configuration\&. +.RE +.PP +"config\&.valgrind" (\fBbool\fR) r\- +.RS 4 +\fB\-\-enable\-valgrind\fR +was specified during build configuration\&. +.RE +.PP +"config\&.xmalloc" (\fBbool\fR) r\- +.RS 4 +\fB\-\-enable\-xmalloc\fR +was specified during build configuration\&. +.RE +.PP +"opt\&.abort" (\fBbool\fR) r\- +.RS 4 +Abort\-on\-warning enabled/disabled\&. If true, most warnings are fatal\&. The process will call +\fBabort\fR(3) +in these cases\&. This option is disabled by default unless +\fB\-\-enable\-debug\fR +is specified during configuration, in which case it is enabled by default\&. +.RE +.PP +"opt\&.lg_chunk" (\fBsize_t\fR) r\- +.RS 4 +Virtual memory chunk size (log base 2)\&. The default chunk size is 4 MiB (2^22)\&. +.RE +.PP +"opt\&.dss" (\fBconst char *\fR) r\- +.RS 4 +dss (\fBsbrk\fR(2)) allocation precedence as related to +\fBmmap\fR(2) +allocation\&. The following settings are supported: \(lqdisabled\(rq, \(lqprimary\(rq, and \(lqsecondary\(rq (default)\&. +.RE +.PP +"opt\&.narenas" (\fBsize_t\fR) r\- +.RS 4 +Maximum number of arenas to use for automatic multiplexing of threads and arenas\&. The default is four times the number of CPUs, or one if there is a single CPU\&. +.RE +.PP +"opt\&.lg_dirty_mult" (\fBssize_t\fR) r\- +.RS 4 +Per\-arena minimum ratio (log base 2) of active to dirty pages\&. Some dirty unused pages may be allowed to accumulate, within the limit set by the ratio (or one chunk worth of dirty pages, whichever is greater), before informing the kernel about some of those pages via +\fBmadvise\fR(2) +or a similar system call\&. This provides the kernel with sufficient information to recycle dirty pages if physical memory becomes scarce and the pages remain unused\&. The default minimum ratio is 8:1 (2^3:1); an option value of \-1 will disable dirty page purging\&. +.RE +.PP +"opt\&.stats_print" (\fBbool\fR) r\- +.RS 4 +Enable/disable statistics printing at exit\&. If enabled, the +\fBmalloc_stats_print\fR\fB\fR +function is called at program exit via an +\fBatexit\fR(3) +function\&. If +\fB\-\-enable\-stats\fR +is specified during configuration, this has the potential to cause deadlock for a multi\-threaded process that exits while one or more threads are executing in the memory allocation functions\&. Therefore, this option should only be used with care; it is primarily intended as a performance tuning aid during application development\&. This option is disabled by default\&. +.RE +.PP +"opt\&.junk" (\fBbool\fR) r\- [\fB\-\-enable\-fill\fR] +.RS 4 +Junk filling enabled/disabled\&. If enabled, each byte of uninitialized allocated memory will be initialized to +0xa5\&. All deallocated memory will be initialized to +0x5a\&. This is intended for debugging and will impact performance negatively\&. This option is disabled by default unless +\fB\-\-enable\-debug\fR +is specified during configuration, in which case it is enabled by default unless running inside +\m[blue]\fBValgrind\fR\m[]\&\s-2\u[2]\d\s+2\&. +.RE +.PP +"opt\&.quarantine" (\fBsize_t\fR) r\- [\fB\-\-enable\-fill\fR] +.RS 4 +Per thread quarantine size in bytes\&. If non\-zero, each thread maintains a FIFO object quarantine that stores up to the specified number of bytes of memory\&. The quarantined memory is not freed until it is released from quarantine, though it is immediately junk\-filled if the +"opt\&.junk" +option is enabled\&. This feature is of particular use in combination with +\m[blue]\fBValgrind\fR\m[]\&\s-2\u[2]\d\s+2, which can detect attempts to access quarantined objects\&. This is intended for debugging and will impact performance negatively\&. The default quarantine size is 0 unless running inside Valgrind, in which case the default is 16 MiB\&. +.RE +.PP +"opt\&.redzone" (\fBbool\fR) r\- [\fB\-\-enable\-fill\fR] +.RS 4 +Redzones enabled/disabled\&. If enabled, small allocations have redzones before and after them\&. Furthermore, if the +"opt\&.junk" +option is enabled, the redzones are checked for corruption during deallocation\&. However, the primary intended purpose of this feature is to be used in combination with +\m[blue]\fBValgrind\fR\m[]\&\s-2\u[2]\d\s+2, which needs redzones in order to do effective buffer overflow/underflow detection\&. This option is intended for debugging and will impact performance negatively\&. This option is disabled by default unless running inside Valgrind\&. +.RE +.PP +"opt\&.zero" (\fBbool\fR) r\- [\fB\-\-enable\-fill\fR] +.RS 4 +Zero filling enabled/disabled\&. If enabled, each byte of uninitialized allocated memory will be initialized to 0\&. Note that this initialization only happens once for each byte, so +\fBrealloc\fR\fB\fR +and +\fBrallocm\fR\fB\fR +calls do not zero memory that was previously allocated\&. This is intended for debugging and will impact performance negatively\&. This option is disabled by default\&. +.RE +.PP +"opt\&.utrace" (\fBbool\fR) r\- [\fB\-\-enable\-utrace\fR] +.RS 4 +Allocation tracing based on +\fButrace\fR(2) +enabled/disabled\&. This option is disabled by default\&. +.RE +.PP +"opt\&.valgrind" (\fBbool\fR) r\- [\fB\-\-enable\-valgrind\fR] +.RS 4 +\m[blue]\fBValgrind\fR\m[]\&\s-2\u[2]\d\s+2 +support enabled/disabled\&. This option is vestigal because jemalloc auto\-detects whether it is running inside Valgrind\&. This option is disabled by default, unless running inside Valgrind\&. +.RE +.PP +"opt\&.xmalloc" (\fBbool\fR) r\- [\fB\-\-enable\-xmalloc\fR] +.RS 4 +Abort\-on\-out\-of\-memory enabled/disabled\&. If enabled, rather than returning failure for any allocation function, display a diagnostic message on +\fBSTDERR_FILENO\fR +and cause the program to drop core (using +\fBabort\fR(3))\&. If an application is designed to depend on this behavior, set the option at compile time by including the following in the source code: +.sp +.if n \{\ +.RS 4 +.\} +.nf +malloc_conf = "xmalloc:true"; +.fi +.if n \{\ +.RE +.\} +.sp +This option is disabled by default\&. +.RE +.PP +"opt\&.tcache" (\fBbool\fR) r\- [\fB\-\-enable\-tcache\fR] +.RS 4 +Thread\-specific caching enabled/disabled\&. When there are multiple threads, each thread uses a thread\-specific cache for objects up to a certain size\&. Thread\-specific caching allows many allocations to be satisfied without performing any thread synchronization, at the cost of increased memory use\&. See the +"opt\&.lg_tcache_max" +option for related tuning information\&. This option is enabled by default unless running inside +\m[blue]\fBValgrind\fR\m[]\&\s-2\u[2]\d\s+2\&. +.RE +.PP +"opt\&.lg_tcache_max" (\fBsize_t\fR) r\- [\fB\-\-enable\-tcache\fR] +.RS 4 +Maximum size class (log base 2) to cache in the thread\-specific cache\&. At a minimum, all small size classes are cached, and at a maximum all large size classes are cached\&. The default maximum is 32 KiB (2^15)\&. +.RE +.PP +"opt\&.prof" (\fBbool\fR) r\- [\fB\-\-enable\-prof\fR] +.RS 4 +Memory profiling enabled/disabled\&. If enabled, profile memory allocation activity\&. See the +"opt\&.prof_active" +option for on\-the\-fly activation/deactivation\&. See the +"opt\&.lg_prof_sample" +option for probabilistic sampling control\&. See the +"opt\&.prof_accum" +option for control of cumulative sample reporting\&. See the +"opt\&.lg_prof_interval" +option for information on interval\-triggered profile dumping, the +"opt\&.prof_gdump" +option for information on high\-water\-triggered profile dumping, and the +"opt\&.prof_final" +option for final profile dumping\&. Profile output is compatible with the included +\fBpprof\fR +Perl script, which originates from the +\m[blue]\fBgperftools package\fR\m[]\&\s-2\u[3]\d\s+2\&. +.RE +.PP +"opt\&.prof_prefix" (\fBconst char *\fR) r\- [\fB\-\-enable\-prof\fR] +.RS 4 +Filename prefix for profile dumps\&. If the prefix is set to the empty string, no automatic dumps will occur; this is primarily useful for disabling the automatic final heap dump (which also disables leak reporting, if enabled)\&. The default prefix is +jeprof\&. +.RE +.PP +"opt\&.prof_active" (\fBbool\fR) r\- [\fB\-\-enable\-prof\fR] +.RS 4 +Profiling activated/deactivated\&. This is a secondary control mechanism that makes it possible to start the application with profiling enabled (see the +"opt\&.prof" +option) but inactive, then toggle profiling at any time during program execution with the +"prof\&.active" +mallctl\&. This option is enabled by default\&. +.RE +.PP +"opt\&.lg_prof_sample" (\fBssize_t\fR) r\- [\fB\-\-enable\-prof\fR] +.RS 4 +Average interval (log base 2) between allocation samples, as measured in bytes of allocation activity\&. Increasing the sampling interval decreases profile fidelity, but also decreases the computational overhead\&. The default sample interval is 512 KiB (2^19 B)\&. +.RE +.PP +"opt\&.prof_accum" (\fBbool\fR) r\- [\fB\-\-enable\-prof\fR] +.RS 4 +Reporting of cumulative object/byte counts in profile dumps enabled/disabled\&. If this option is enabled, every unique backtrace must be stored for the duration of execution\&. Depending on the application, this can impose a large memory overhead, and the cumulative counts are not always of interest\&. This option is disabled by default\&. +.RE +.PP +"opt\&.lg_prof_interval" (\fBssize_t\fR) r\- [\fB\-\-enable\-prof\fR] +.RS 4 +Average interval (log base 2) between memory profile dumps, as measured in bytes of allocation activity\&. The actual interval between dumps may be sporadic because decentralized allocation counters are used to avoid synchronization bottlenecks\&. Profiles are dumped to files named according to the pattern +\&.\&.\&.i\&.heap, where + +is controlled by the +"opt\&.prof_prefix" +option\&. By default, interval\-triggered profile dumping is disabled (encoded as \-1)\&. +.RE +.PP +"opt\&.prof_gdump" (\fBbool\fR) r\- [\fB\-\-enable\-prof\fR] +.RS 4 +Trigger a memory profile dump every time the total virtual memory exceeds the previous maximum\&. Profiles are dumped to files named according to the pattern +\&.\&.\&.u\&.heap, where + +is controlled by the +"opt\&.prof_prefix" +option\&. This option is disabled by default\&. +.RE +.PP +"opt\&.prof_final" (\fBbool\fR) r\- [\fB\-\-enable\-prof\fR] +.RS 4 +Use an +\fBatexit\fR(3) +function to dump final memory usage to a file named according to the pattern +\&.\&.\&.f\&.heap, where + +is controlled by the +"opt\&.prof_prefix" +option\&. This option is enabled by default\&. +.RE +.PP +"opt\&.prof_leak" (\fBbool\fR) r\- [\fB\-\-enable\-prof\fR] +.RS 4 +Leak reporting enabled/disabled\&. If enabled, use an +\fBatexit\fR(3) +function to report memory leaks detected by allocation sampling\&. See the +"opt\&.prof" +option for information on analyzing heap profile output\&. This option is disabled by default\&. +.RE +.PP +"thread\&.arena" (\fBunsigned\fR) rw +.RS 4 +Get or set the arena associated with the calling thread\&. If the specified arena was not initialized beforehand (see the +"arenas\&.initialized" +mallctl), it will be automatically initialized as a side effect of calling this interface\&. +.RE +.PP +"thread\&.allocated" (\fBuint64_t\fR) r\- [\fB\-\-enable\-stats\fR] +.RS 4 +Get the total number of bytes ever allocated by the calling thread\&. This counter has the potential to wrap around; it is up to the application to appropriately interpret the counter in such cases\&. +.RE +.PP +"thread\&.allocatedp" (\fBuint64_t *\fR) r\- [\fB\-\-enable\-stats\fR] +.RS 4 +Get a pointer to the the value that is returned by the +"thread\&.allocated" +mallctl\&. This is useful for avoiding the overhead of repeated +\fBmallctl*\fR\fB\fR +calls\&. +.RE +.PP +"thread\&.deallocated" (\fBuint64_t\fR) r\- [\fB\-\-enable\-stats\fR] +.RS 4 +Get the total number of bytes ever deallocated by the calling thread\&. This counter has the potential to wrap around; it is up to the application to appropriately interpret the counter in such cases\&. +.RE +.PP +"thread\&.deallocatedp" (\fBuint64_t *\fR) r\- [\fB\-\-enable\-stats\fR] +.RS 4 +Get a pointer to the the value that is returned by the +"thread\&.deallocated" +mallctl\&. This is useful for avoiding the overhead of repeated +\fBmallctl*\fR\fB\fR +calls\&. +.RE +.PP +"thread\&.tcache\&.enabled" (\fBbool\fR) rw [\fB\-\-enable\-tcache\fR] +.RS 4 +Enable/disable calling thread\*(Aqs tcache\&. The tcache is implicitly flushed as a side effect of becoming disabled (see +"thread\&.tcache\&.flush")\&. +.RE +.PP +"thread\&.tcache\&.flush" (\fBvoid\fR) \-\- [\fB\-\-enable\-tcache\fR] +.RS 4 +Flush calling thread\*(Aqs tcache\&. This interface releases all cached objects and internal data structures associated with the calling thread\*(Aqs thread\-specific cache\&. Ordinarily, this interface need not be called, since automatic periodic incremental garbage collection occurs, and the thread cache is automatically discarded when a thread exits\&. However, garbage collection is triggered by allocation activity, so it is possible for a thread that stops allocating/deallocating to retain its cache indefinitely, in which case the developer may find manual flushing useful\&. +.RE +.PP +"arena\&.\&.purge" (\fBunsigned\fR) \-\- +.RS 4 +Purge unused dirty pages for arena , or for all arenas if equals +"arenas\&.narenas"\&. +.RE +.PP +"arena\&.\&.dss" (\fBconst char *\fR) rw +.RS 4 +Set the precedence of dss allocation as related to mmap allocation for arena , or for all arenas if equals +"arenas\&.narenas"\&. See +"opt\&.dss" +for supported settings\&. +.RE +.PP +"arenas\&.narenas" (\fBunsigned\fR) r\- +.RS 4 +Current limit on number of arenas\&. +.RE +.PP +"arenas\&.initialized" (\fBbool *\fR) r\- +.RS 4 +An array of +"arenas\&.narenas" +booleans\&. Each boolean indicates whether the corresponding arena is initialized\&. +.RE +.PP +"arenas\&.quantum" (\fBsize_t\fR) r\- +.RS 4 +Quantum size\&. +.RE +.PP +"arenas\&.page" (\fBsize_t\fR) r\- +.RS 4 +Page size\&. +.RE +.PP +"arenas\&.tcache_max" (\fBsize_t\fR) r\- [\fB\-\-enable\-tcache\fR] +.RS 4 +Maximum thread\-cached size class\&. +.RE +.PP +"arenas\&.nbins" (\fBunsigned\fR) r\- +.RS 4 +Number of bin size classes\&. +.RE +.PP +"arenas\&.nhbins" (\fBunsigned\fR) r\- [\fB\-\-enable\-tcache\fR] +.RS 4 +Total number of thread cache bin size classes\&. +.RE +.PP +"arenas\&.bin\&.\&.size" (\fBsize_t\fR) r\- +.RS 4 +Maximum size supported by size class\&. +.RE +.PP +"arenas\&.bin\&.\&.nregs" (\fBuint32_t\fR) r\- +.RS 4 +Number of regions per page run\&. +.RE +.PP +"arenas\&.bin\&.\&.run_size" (\fBsize_t\fR) r\- +.RS 4 +Number of bytes per page run\&. +.RE +.PP +"arenas\&.nlruns" (\fBsize_t\fR) r\- +.RS 4 +Total number of large size classes\&. +.RE +.PP +"arenas\&.lrun\&.\&.size" (\fBsize_t\fR) r\- +.RS 4 +Maximum size supported by this large size class\&. +.RE +.PP +"arenas\&.purge" (\fBunsigned\fR) \-w +.RS 4 +Purge unused dirty pages for the specified arena, or for all arenas if none is specified\&. +.RE +.PP +"arenas\&.extend" (\fBunsigned\fR) r\- +.RS 4 +Extend the array of arenas by appending a new arena, and returning the new arena index\&. +.RE +.PP +"prof\&.active" (\fBbool\fR) rw [\fB\-\-enable\-prof\fR] +.RS 4 +Control whether sampling is currently active\&. See the +"opt\&.prof_active" +option for additional information\&. +.RE +.PP +"prof\&.dump" (\fBconst char *\fR) \-w [\fB\-\-enable\-prof\fR] +.RS 4 +Dump a memory profile to the specified file, or if NULL is specified, to a file according to the pattern +\&.\&.\&.m\&.heap, where + +is controlled by the +"opt\&.prof_prefix" +option\&. +.RE +.PP +"prof\&.interval" (\fBuint64_t\fR) r\- [\fB\-\-enable\-prof\fR] +.RS 4 +Average number of bytes allocated between inverval\-based profile dumps\&. See the +"opt\&.lg_prof_interval" +option for additional information\&. +.RE +.PP +"stats\&.cactive" (\fBsize_t *\fR) r\- [\fB\-\-enable\-stats\fR] +.RS 4 +Pointer to a counter that contains an approximate count of the current number of bytes in active pages\&. The estimate may be high, but never low, because each arena rounds up to the nearest multiple of the chunk size when computing its contribution to the counter\&. Note that the +"epoch" +mallctl has no bearing on this counter\&. Furthermore, counter consistency is maintained via atomic operations, so it is necessary to use an atomic operation in order to guarantee a consistent read when dereferencing the pointer\&. +.RE +.PP +"stats\&.allocated" (\fBsize_t\fR) r\- [\fB\-\-enable\-stats\fR] +.RS 4 +Total number of bytes allocated by the application\&. +.RE +.PP +"stats\&.active" (\fBsize_t\fR) r\- [\fB\-\-enable\-stats\fR] +.RS 4 +Total number of bytes in active pages allocated by the application\&. This is a multiple of the page size, and greater than or equal to +"stats\&.allocated"\&. This does not include +"stats\&.arenas\&.\&.pdirty" +and pages entirely devoted to allocator metadata\&. +.RE +.PP +"stats\&.mapped" (\fBsize_t\fR) r\- [\fB\-\-enable\-stats\fR] +.RS 4 +Total number of bytes in chunks mapped on behalf of the application\&. This is a multiple of the chunk size, and is at least as large as +"stats\&.active"\&. This does not include inactive chunks\&. +.RE +.PP +"stats\&.chunks\&.current" (\fBsize_t\fR) r\- [\fB\-\-enable\-stats\fR] +.RS 4 +Total number of chunks actively mapped on behalf of the application\&. This does not include inactive chunks\&. +.RE +.PP +"stats\&.chunks\&.total" (\fBuint64_t\fR) r\- [\fB\-\-enable\-stats\fR] +.RS 4 +Cumulative number of chunks allocated\&. +.RE +.PP +"stats\&.chunks\&.high" (\fBsize_t\fR) r\- [\fB\-\-enable\-stats\fR] +.RS 4 +Maximum number of active chunks at any time thus far\&. +.RE +.PP +"stats\&.huge\&.allocated" (\fBsize_t\fR) r\- [\fB\-\-enable\-stats\fR] +.RS 4 +Number of bytes currently allocated by huge objects\&. +.RE +.PP +"stats\&.huge\&.nmalloc" (\fBuint64_t\fR) r\- [\fB\-\-enable\-stats\fR] +.RS 4 +Cumulative number of huge allocation requests\&. +.RE +.PP +"stats\&.huge\&.ndalloc" (\fBuint64_t\fR) r\- [\fB\-\-enable\-stats\fR] +.RS 4 +Cumulative number of huge deallocation requests\&. +.RE +.PP +"stats\&.arenas\&.\&.dss" (\fBconst char *\fR) r\- +.RS 4 +dss (\fBsbrk\fR(2)) allocation precedence as related to +\fBmmap\fR(2) +allocation\&. See +"opt\&.dss" +for details\&. +.RE +.PP +"stats\&.arenas\&.\&.nthreads" (\fBunsigned\fR) r\- +.RS 4 +Number of threads currently assigned to arena\&. +.RE +.PP +"stats\&.arenas\&.\&.pactive" (\fBsize_t\fR) r\- +.RS 4 +Number of pages in active runs\&. +.RE +.PP +"stats\&.arenas\&.\&.pdirty" (\fBsize_t\fR) r\- +.RS 4 +Number of pages within unused runs that are potentially dirty, and for which +\fBmadvise\fR\fB\fI\&.\&.\&.\fR\fR\fB \fR\fB\fI\fBMADV_DONTNEED\fR\fR\fR +or similar has not been called\&. +.RE +.PP +"stats\&.arenas\&.\&.mapped" (\fBsize_t\fR) r\- [\fB\-\-enable\-stats\fR] +.RS 4 +Number of mapped bytes\&. +.RE +.PP +"stats\&.arenas\&.\&.npurge" (\fBuint64_t\fR) r\- [\fB\-\-enable\-stats\fR] +.RS 4 +Number of dirty page purge sweeps performed\&. +.RE +.PP +"stats\&.arenas\&.\&.nmadvise" (\fBuint64_t\fR) r\- [\fB\-\-enable\-stats\fR] +.RS 4 +Number of +\fBmadvise\fR\fB\fI\&.\&.\&.\fR\fR\fB \fR\fB\fI\fBMADV_DONTNEED\fR\fR\fR +or similar calls made to purge dirty pages\&. +.RE +.PP +"stats\&.arenas\&.\&.npurged" (\fBuint64_t\fR) r\- [\fB\-\-enable\-stats\fR] +.RS 4 +Number of pages purged\&. +.RE +.PP +"stats\&.arenas\&.\&.small\&.allocated" (\fBsize_t\fR) r\- [\fB\-\-enable\-stats\fR] +.RS 4 +Number of bytes currently allocated by small objects\&. +.RE +.PP +"stats\&.arenas\&.\&.small\&.nmalloc" (\fBuint64_t\fR) r\- [\fB\-\-enable\-stats\fR] +.RS 4 +Cumulative number of allocation requests served by small bins\&. +.RE +.PP +"stats\&.arenas\&.\&.small\&.ndalloc" (\fBuint64_t\fR) r\- [\fB\-\-enable\-stats\fR] +.RS 4 +Cumulative number of small objects returned to bins\&. +.RE +.PP +"stats\&.arenas\&.\&.small\&.nrequests" (\fBuint64_t\fR) r\- [\fB\-\-enable\-stats\fR] +.RS 4 +Cumulative number of small allocation requests\&. +.RE +.PP +"stats\&.arenas\&.\&.large\&.allocated" (\fBsize_t\fR) r\- [\fB\-\-enable\-stats\fR] +.RS 4 +Number of bytes currently allocated by large objects\&. +.RE +.PP +"stats\&.arenas\&.\&.large\&.nmalloc" (\fBuint64_t\fR) r\- [\fB\-\-enable\-stats\fR] +.RS 4 +Cumulative number of large allocation requests served directly by the arena\&. +.RE +.PP +"stats\&.arenas\&.\&.large\&.ndalloc" (\fBuint64_t\fR) r\- [\fB\-\-enable\-stats\fR] +.RS 4 +Cumulative number of large deallocation requests served directly by the arena\&. +.RE +.PP +"stats\&.arenas\&.\&.large\&.nrequests" (\fBuint64_t\fR) r\- [\fB\-\-enable\-stats\fR] +.RS 4 +Cumulative number of large allocation requests\&. +.RE +.PP +"stats\&.arenas\&.\&.bins\&.\&.allocated" (\fBsize_t\fR) r\- [\fB\-\-enable\-stats\fR] +.RS 4 +Current number of bytes allocated by bin\&. +.RE +.PP +"stats\&.arenas\&.\&.bins\&.\&.nmalloc" (\fBuint64_t\fR) r\- [\fB\-\-enable\-stats\fR] +.RS 4 +Cumulative number of allocations served by bin\&. +.RE +.PP +"stats\&.arenas\&.\&.bins\&.\&.ndalloc" (\fBuint64_t\fR) r\- [\fB\-\-enable\-stats\fR] +.RS 4 +Cumulative number of allocations returned to bin\&. +.RE +.PP +"stats\&.arenas\&.\&.bins\&.\&.nrequests" (\fBuint64_t\fR) r\- [\fB\-\-enable\-stats\fR] +.RS 4 +Cumulative number of allocation requests\&. +.RE +.PP +"stats\&.arenas\&.\&.bins\&.\&.nfills" (\fBuint64_t\fR) r\- [\fB\-\-enable\-stats\fR \fB\-\-enable\-tcache\fR] +.RS 4 +Cumulative number of tcache fills\&. +.RE +.PP +"stats\&.arenas\&.\&.bins\&.\&.nflushes" (\fBuint64_t\fR) r\- [\fB\-\-enable\-stats\fR \fB\-\-enable\-tcache\fR] +.RS 4 +Cumulative number of tcache flushes\&. +.RE +.PP +"stats\&.arenas\&.\&.bins\&.\&.nruns" (\fBuint64_t\fR) r\- [\fB\-\-enable\-stats\fR] +.RS 4 +Cumulative number of runs created\&. +.RE +.PP +"stats\&.arenas\&.\&.bins\&.\&.nreruns" (\fBuint64_t\fR) r\- [\fB\-\-enable\-stats\fR] +.RS 4 +Cumulative number of times the current run from which to allocate changed\&. +.RE +.PP +"stats\&.arenas\&.\&.bins\&.\&.curruns" (\fBsize_t\fR) r\- [\fB\-\-enable\-stats\fR] +.RS 4 +Current number of runs\&. +.RE +.PP +"stats\&.arenas\&.\&.lruns\&.\&.nmalloc" (\fBuint64_t\fR) r\- [\fB\-\-enable\-stats\fR] +.RS 4 +Cumulative number of allocation requests for this size class served directly by the arena\&. +.RE +.PP +"stats\&.arenas\&.\&.lruns\&.\&.ndalloc" (\fBuint64_t\fR) r\- [\fB\-\-enable\-stats\fR] +.RS 4 +Cumulative number of deallocation requests for this size class served directly by the arena\&. +.RE +.PP +"stats\&.arenas\&.\&.lruns\&.\&.nrequests" (\fBuint64_t\fR) r\- [\fB\-\-enable\-stats\fR] +.RS 4 +Cumulative number of allocation requests for this size class\&. +.RE +.PP +"stats\&.arenas\&.\&.lruns\&.\&.curruns" (\fBsize_t\fR) r\- [\fB\-\-enable\-stats\fR] +.RS 4 +Current number of runs for this size class\&. +.RE +.SH "DEBUGGING MALLOC PROBLEMS" +.PP +When debugging, it is a good idea to configure/build jemalloc with the +\fB\-\-enable\-debug\fR +and +\fB\-\-enable\-fill\fR +options, and recompile the program with suitable options and symbols for debugger support\&. When so configured, jemalloc incorporates a wide variety of run\-time assertions that catch application errors such as double\-free, write\-after\-free, etc\&. +.PP +Programs often accidentally depend on \(lquninitialized\(rq memory actually being filled with zero bytes\&. Junk filling (see the +"opt\&.junk" +option) tends to expose such bugs in the form of obviously incorrect results and/or coredumps\&. Conversely, zero filling (see the +"opt\&.zero" +option) eliminates the symptoms of such bugs\&. Between these two options, it is usually possible to quickly detect, diagnose, and eliminate such bugs\&. +.PP +This implementation does not provide much detail about the problems it detects, because the performance impact for storing such information would be prohibitive\&. However, jemalloc does integrate with the most excellent +\m[blue]\fBValgrind\fR\m[]\&\s-2\u[2]\d\s+2 +tool if the +\fB\-\-enable\-valgrind\fR +configuration option is enabled\&. +.SH "DIAGNOSTIC MESSAGES" +.PP +If any of the memory allocation/deallocation functions detect an error or warning condition, a message will be printed to file descriptor +\fBSTDERR_FILENO\fR\&. Errors will result in the process dumping core\&. If the +"opt\&.abort" +option is set, most warnings are treated as errors\&. +.PP +The +\fImalloc_message\fR +variable allows the programmer to override the function which emits the text strings forming the errors and warnings if for some reason the +\fBSTDERR_FILENO\fR +file descriptor is not suitable for this\&. +\fBmalloc_message\fR\fB\fR +takes the +\fIcbopaque\fR +pointer argument that is +\fBNULL\fR +unless overridden by the arguments in a call to +\fBmalloc_stats_print\fR\fB\fR, followed by a string pointer\&. Please note that doing anything which tries to allocate memory in this function is likely to result in a crash or deadlock\&. +.PP +All messages are prefixed by \(lq:\(rq\&. +.SH "RETURN VALUES" +.SS "Standard API" +.PP +The +\fBmalloc\fR\fB\fR +and +\fBcalloc\fR\fB\fR +functions return a pointer to the allocated memory if successful; otherwise a +\fBNULL\fR +pointer is returned and +\fIerrno\fR +is set to +ENOMEM\&. +.PP +The +\fBposix_memalign\fR\fB\fR +function returns the value 0 if successful; otherwise it returns an error value\&. The +\fBposix_memalign\fR\fB\fR +function will fail if: +.PP +EINVAL +.RS 4 +The +\fIalignment\fR +parameter is not a power of 2 at least as large as +sizeof(\fBvoid *\fR)\&. +.RE +.PP +ENOMEM +.RS 4 +Memory allocation error\&. +.RE +.PP +The +\fBaligned_alloc\fR\fB\fR +function returns a pointer to the allocated memory if successful; otherwise a +\fBNULL\fR +pointer is returned and +\fIerrno\fR +is set\&. The +\fBaligned_alloc\fR\fB\fR +function will fail if: +.PP +EINVAL +.RS 4 +The +\fIalignment\fR +parameter is not a power of 2\&. +.RE +.PP +ENOMEM +.RS 4 +Memory allocation error\&. +.RE +.PP +The +\fBrealloc\fR\fB\fR +function returns a pointer, possibly identical to +\fIptr\fR, to the allocated memory if successful; otherwise a +\fBNULL\fR +pointer is returned, and +\fIerrno\fR +is set to +ENOMEM +if the error was the result of an allocation failure\&. The +\fBrealloc\fR\fB\fR +function always leaves the original buffer intact when an error occurs\&. +.PP +The +\fBfree\fR\fB\fR +function returns no value\&. +.SS "Non\-standard API" +.PP +The +\fBmalloc_usable_size\fR\fB\fR +function returns the usable size of the allocation pointed to by +\fIptr\fR\&. +.PP +The +\fBmallctl\fR\fB\fR, +\fBmallctlnametomib\fR\fB\fR, and +\fBmallctlbymib\fR\fB\fR +functions return 0 on success; otherwise they return an error value\&. The functions will fail if: +.PP +EINVAL +.RS 4 +\fInewp\fR +is not +\fBNULL\fR, and +\fInewlen\fR +is too large or too small\&. Alternatively, +\fI*oldlenp\fR +is too large or too small; in this case as much data as possible are read despite the error\&. +.RE +.PP +ENOMEM +.RS 4 +\fI*oldlenp\fR +is too short to hold the requested value\&. +.RE +.PP +ENOENT +.RS 4 +\fIname\fR +or +\fImib\fR +specifies an unknown/invalid value\&. +.RE +.PP +EPERM +.RS 4 +Attempt to read or write void value, or attempt to write read\-only value\&. +.RE +.PP +EAGAIN +.RS 4 +A memory allocation failure occurred\&. +.RE +.PP +EFAULT +.RS 4 +An interface with side effects failed in some way not directly related to +\fBmallctl*\fR\fB\fR +read/write processing\&. +.RE +.SS "Experimental API" +.PP +The +\fBallocm\fR\fB\fR, +\fBrallocm\fR\fB\fR, +\fBsallocm\fR\fB\fR, +\fBdallocm\fR\fB\fR, and +\fBnallocm\fR\fB\fR +functions return +\fBALLOCM_SUCCESS\fR +on success; otherwise they return an error value\&. The +\fBallocm\fR\fB\fR, +\fBrallocm\fR\fB\fR, and +\fBnallocm\fR\fB\fR +functions will fail if: +.PP +ALLOCM_ERR_OOM +.RS 4 +Out of memory\&. Insufficient contiguous memory was available to service the allocation request\&. The +\fBallocm\fR\fB\fR +function additionally sets +\fI*ptr\fR +to +\fBNULL\fR, whereas the +\fBrallocm\fR\fB\fR +function leaves +\fB*ptr\fR +unmodified\&. +.RE +The +\fBrallocm\fR\fB\fR +function will also fail if: +.PP +ALLOCM_ERR_NOT_MOVED +.RS 4 +\fBALLOCM_NO_MOVE\fR +was specified, but the reallocation request could not be serviced without moving the object\&. +.RE +.SH "ENVIRONMENT" +.PP +The following environment variable affects the execution of the allocation functions: +.PP +\fBMALLOC_CONF\fR +.RS 4 +If the environment variable +\fBMALLOC_CONF\fR +is set, the characters it contains will be interpreted as options\&. +.RE +.SH "EXAMPLES" +.PP +To dump core whenever a problem occurs: +.sp +.if n \{\ +.RS 4 +.\} +.nf +ln \-s \*(Aqabort:true\*(Aq /etc/malloc\&.conf +.fi +.if n \{\ +.RE +.\} +.PP +To specify in the source a chunk size that is 16 MiB: +.sp +.if n \{\ +.RS 4 +.\} +.nf +malloc_conf = "lg_chunk:24"; +.fi +.if n \{\ +.RE +.\} +.SH "SEE ALSO" +.PP +\fBmadvise\fR(2), +\fBmmap\fR(2), +\fBsbrk\fR(2), +\fButrace\fR(2), +\fBalloca\fR(3), +\fBatexit\fR(3), +\fBgetpagesize\fR(3) +.SH "STANDARDS" +.PP +The +\fBmalloc\fR\fB\fR, +\fBcalloc\fR\fB\fR, +\fBrealloc\fR\fB\fR, and +\fBfree\fR\fB\fR +functions conform to ISO/IEC 9899:1990 (\(lqISO C90\(rq)\&. +.PP +The +\fBposix_memalign\fR\fB\fR +function conforms to IEEE Std 1003\&.1\-2001 (\(lqPOSIX\&.1\(rq)\&. +.SH "AUTHOR" +.PP +\fBJason Evans\fR +.RS 4 +.RE +.SH "NOTES" +.IP " 1." 4 +jemalloc website +.RS 4 +\%http://www.canonware.com/jemalloc/ +.RE +.IP " 2." 4 +Valgrind +.RS 4 +\%http://valgrind.org/ +.RE +.IP " 3." 4 +gperftools package +.RS 4 +\%http://code.google.com/p/gperftools/ +.RE diff --git a/deps/jemalloc/doc/jemalloc.html b/deps/jemalloc/doc/jemalloc.html new file mode 100644 index 0000000..002356e --- /dev/null +++ b/deps/jemalloc/doc/jemalloc.html @@ -0,0 +1,1414 @@ +JEMALLOC

Name

jemalloc — general purpose memory allocation functions

LIBRARY

This manual describes jemalloc 3.2.0-0-g87499f6748ebe4817571e817e9f680ccb5bf54a9. More information + can be found at the jemalloc website.

SYNOPSIS

#include <stdlib.h>
+#include <jemalloc/jemalloc.h>

Standard API

void *malloc(size_t size);
void *calloc(size_t number,
size_t size);
int posix_memalign(void **ptr,
size_t alignment,
size_t size);
void *aligned_alloc(size_t alignment,
size_t size);
void *realloc(void *ptr,
size_t size);
void free(void *ptr);

Non-standard API

size_t malloc_usable_size(const void *ptr);
void malloc_stats_print(void (*write_cb) + (void *, const char *) + ,
void *cbopaque,
const char *opts);
int mallctl(const char *name,
void *oldp,
size_t *oldlenp,
void *newp,
size_t newlen);
int mallctlnametomib(const char *name,
size_t *mibp,
size_t *miblenp);
int mallctlbymib(const size_t *mib,
size_t miblen,
void *oldp,
size_t *oldlenp,
void *newp,
size_t newlen);
void (*malloc_message)(void *cbopaque,
const char *s);

const char *malloc_conf;

Experimental API

int allocm(void **ptr,
size_t *rsize,
size_t size,
int flags);
int rallocm(void **ptr,
size_t *rsize,
size_t size,
size_t extra,
int flags);
int sallocm(const void *ptr,
size_t *rsize,
int flags);
int dallocm(void *ptr,
int flags);
int nallocm(size_t *rsize,
size_t size,
int flags);

DESCRIPTION

Standard API

The malloc() function allocates + size bytes of uninitialized memory. The allocated + space is suitably aligned (after possible pointer coercion) for storage + of any type of object.

The calloc() function allocates + space for number objects, each + size bytes in length. The result is identical to + calling malloc() with an argument of + number * size, with the + exception that the allocated memory is explicitly initialized to zero + bytes.

The posix_memalign() function + allocates size bytes of memory such that the + allocation's base address is an even multiple of + alignment, and returns the allocation in the value + pointed to by ptr. The requested + alignment must be a power of 2 at least as large + as sizeof(void *).

The aligned_alloc() function + allocates size bytes of memory such that the + allocation's base address is an even multiple of + alignment. The requested + alignment must be a power of 2. Behavior is + undefined if size is not an integral multiple of + alignment.

The realloc() function changes the + size of the previously allocated memory referenced by + ptr to size bytes. The + contents of the memory are unchanged up to the lesser of the new and old + sizes. If the new size is larger, the contents of the newly allocated + portion of the memory are undefined. Upon success, the memory referenced + by ptr is freed and a pointer to the newly + allocated memory is returned. Note that + realloc() may move the memory allocation, + resulting in a different return value than ptr. + If ptr is NULL, the + realloc() function behaves identically to + malloc() for the specified size.

The free() function causes the + allocated memory referenced by ptr to be made + available for future allocations. If ptr is + NULL, no action occurs.

Non-standard API

The malloc_usable_size() function + returns the usable size of the allocation pointed to by + ptr. The return value may be larger than the size + that was requested during allocation. The + malloc_usable_size() function is not a + mechanism for in-place realloc(); rather + it is provided solely as a tool for introspection purposes. Any + discrepancy between the requested allocation size and the size reported + by malloc_usable_size() should not be + depended on, since such behavior is entirely implementation-dependent. +

The malloc_stats_print() function + writes human-readable summary statistics via the + write_cb callback function pointer and + cbopaque data passed to + write_cb, or + malloc_message() if + write_cb is NULL. This + function can be called repeatedly. General information that never + changes during execution can be omitted by specifying "g" as a character + within the opts string. Note that + malloc_message() uses the + mallctl*() functions internally, so + inconsistent statistics can be reported if multiple threads use these + functions simultaneously. If --enable-stats is + specified during configuration, “m” and “a” can + be specified to omit merged arena and per arena statistics, respectively; + “b” and “l” can be specified to omit per size + class statistics for bins and large objects, respectively. Unrecognized + characters are silently ignored. Note that thread caching may prevent + some statistics from being completely up to date, since extra locking + would be required to merge counters that track thread cache operations. +

The mallctl() function provides a + general interface for introspecting the memory allocator, as well as + setting modifiable parameters and triggering actions. The + period-separated name argument specifies a + location in a tree-structured namespace; see the MALLCTL NAMESPACE section for + documentation on the tree contents. To read a value, pass a pointer via + oldp to adequate space to contain the value, and a + pointer to its length via oldlenp; otherwise pass + NULL and NULL. Similarly, to + write a value, pass a pointer to the value via + newp, and its length via + newlen; otherwise pass NULL + and 0.

The mallctlnametomib() function + provides a way to avoid repeated name lookups for applications that + repeatedly query the same portion of the namespace, by translating a name + to a “Management Information Base” (MIB) that can be passed + repeatedly to mallctlbymib(). Upon + successful return from mallctlnametomib(), + mibp contains an array of + *miblenp integers, where + *miblenp is the lesser of the number of components + in name and the input value of + *miblenp. Thus it is possible to pass a + *miblenp that is smaller than the number of + period-separated name components, which results in a partial MIB that can + be used as the basis for constructing a complete MIB. For name + components that are integers (e.g. the 2 in + + "arenas.bin.2.size" + ), + the corresponding MIB component will always be that integer. Therefore, + it is legitimate to construct code like the following: 

+unsigned nbins, i;
+
+int mib[4];
+size_t len, miblen;
+
+len = sizeof(nbins);
+mallctl("arenas.nbins", &nbins, &len, NULL, 0);
+
+miblen = 4;
+mallnametomib("arenas.bin.0.size", mib, &miblen);
+for (i = 0; i < nbins; i++) {
+	size_t bin_size;
+
+	mib[2] = i;
+	len = sizeof(bin_size);
+	mallctlbymib(mib, miblen, &bin_size, &len, NULL, 0);
+	/* Do something with bin_size... */
+}

Experimental API

The experimental API is subject to change or removal without regard + for backward compatibility. If --disable-experimental + is specified during configuration, the experimental API is + omitted.

The allocm(), + rallocm(), + sallocm(), + dallocm(), and + nallocm() functions all have a + flags argument that can be used to specify + options. The functions only check the options that are contextually + relevant. Use bitwise or (|) operations to + specify one or more of the following: +

ALLOCM_LG_ALIGN(la) +

Align the memory allocation to start at an address + that is a multiple of (1 << + la). This macro does not validate + that la is within the valid + range.

ALLOCM_ALIGN(a) +

Align the memory allocation to start at an address + that is a multiple of a, where + a is a power of two. This macro does not + validate that a is a power of 2. +

ALLOCM_ZERO

Initialize newly allocated memory to contain zero + bytes. In the growing reallocation case, the real size prior to + reallocation defines the boundary between untouched bytes and those + that are initialized to contain zero bytes. If this option is + absent, newly allocated memory is uninitialized.

ALLOCM_NO_MOVE

For reallocation, fail rather than moving the + object. This constraint can apply to both growth and + shrinkage.

ALLOCM_ARENA(a) +

Use the arena specified by the index + a. This macro does not validate that + a specifies an arena in the valid + range.

+

The allocm() function allocates at + least size bytes of memory, sets + *ptr to the base address of the allocation, and + sets *rsize to the real size of the allocation if + rsize is not NULL. Behavior + is undefined if size is + 0.

The rallocm() function resizes the + allocation at *ptr to be at least + size bytes, sets *ptr to + the base address of the allocation if it moved, and sets + *rsize to the real size of the allocation if + rsize is not NULL. If + extra is non-zero, an attempt is made to resize + the allocation to be at least size + + extra) bytes, though inability to allocate + the extra byte(s) will not by itself result in failure. Behavior is + undefined if size is 0, or if + (size + + extra > + SIZE_T_MAX).

The sallocm() function sets + *rsize to the real size of the allocation.

The dallocm() function causes the + memory referenced by ptr to be made available for + future allocations.

The nallocm() function allocates no + memory, but it performs the same size computation as the + allocm() function, and if + rsize is not NULL it sets + *rsize to the real size of the allocation that + would result from the equivalent allocm() + function call. Behavior is undefined if + size is 0.

TUNING

Once, when the first call is made to one of the memory allocation + routines, the allocator initializes its internals based in part on various + options that can be specified at compile- or run-time.

The string pointed to by the global variable + malloc_conf, the “name” of the file + referenced by the symbolic link named /etc/malloc.conf, and the value of the + environment variable MALLOC_CONF, will be interpreted, in + that order, from left to right as options.

An options string is a comma-separated list of option:value pairs. + There is one key corresponding to each + "opt.*" + mallctl (see the MALLCTL NAMESPACE section for options + documentation). For example, abort:true,narenas:1 sets + the + "opt.abort" + and + "opt.narenas" + options. Some + options have boolean values (true/false), others have integer values (base + 8, 10, or 16, depending on prefix), and yet others have raw string + values.

IMPLEMENTATION NOTES

Traditionally, allocators have used + sbrk(2) to obtain memory, which is + suboptimal for several reasons, including race conditions, increased + fragmentation, and artificial limitations on maximum usable memory. If + --enable-dss is specified during configuration, this + allocator uses both mmap(2) and + sbrk(2), in that order of preference; + otherwise only mmap(2) is used.

This allocator uses multiple arenas in order to reduce lock + contention for threaded programs on multi-processor systems. This works + well with regard to threading scalability, but incurs some costs. There is + a small fixed per-arena overhead, and additionally, arenas manage memory + completely independently of each other, which means a small fixed increase + in overall memory fragmentation. These overheads are not generally an + issue, given the number of arenas normally used. Note that using + substantially more arenas than the default is not likely to improve + performance, mainly due to reduced cache performance. However, it may make + sense to reduce the number of arenas if an application does not make much + use of the allocation functions.

In addition to multiple arenas, unless + --disable-tcache is specified during configuration, this + allocator supports thread-specific caching for small and large objects, in + order to make it possible to completely avoid synchronization for most + allocation requests. Such caching allows very fast allocation in the + common case, but it increases memory usage and fragmentation, since a + bounded number of objects can remain allocated in each thread cache.

Memory is conceptually broken into equal-sized chunks, where the + chunk size is a power of two that is greater than the page size. Chunks + are always aligned to multiples of the chunk size. This alignment makes it + possible to find metadata for user objects very quickly.

User objects are broken into three categories according to size: + small, large, and huge. Small objects are smaller than one page. Large + objects are smaller than the chunk size. Huge objects are a multiple of + the chunk size. Small and large objects are managed by arenas; huge + objects are managed separately in a single data structure that is shared by + all threads. Huge objects are used by applications infrequently enough + that this single data structure is not a scalability issue.

Each chunk that is managed by an arena tracks its contents as runs of + contiguous pages (unused, backing a set of small objects, or backing one + large object). The combination of chunk alignment and chunk page maps + makes it possible to determine all metadata regarding small and large + allocations in constant time.

Small objects are managed in groups by page runs. Each run maintains + a frontier and free list to track which regions are in use. Allocation + requests that are no more than half the quantum (8 or 16, depending on + architecture) are rounded up to the nearest power of two that is at least + sizeof(double). All other small + object size classes are multiples of the quantum, spaced such that internal + fragmentation is limited to approximately 25% for all but the smallest size + classes. Allocation requests that are larger than the maximum small size + class, but small enough to fit in an arena-managed chunk (see the + "opt.lg_chunk" + option), are + rounded up to the nearest run size. Allocation requests that are too large + to fit in an arena-managed chunk are rounded up to the nearest multiple of + the chunk size.

Allocations are packed tightly together, which can be an issue for + multi-threaded applications. If you need to assure that allocations do not + suffer from cacheline sharing, round your allocation requests up to the + nearest multiple of the cacheline size, or specify cacheline alignment when + allocating.

Assuming 4 MiB chunks, 4 KiB pages, and a 16-byte quantum on a 64-bit + system, the size classes in each category are as shown in Table 1.

Table1.Size classes

CategorySpacingSize
Smalllg[8]
16[16, 32, 48, ..., 128]
32[160, 192, 224, 256]
64[320, 384, 448, 512]
128[640, 768, 896, 1024]
256[1280, 1536, 1792, 2048]
512[2560, 3072, 3584]
Large4 KiB[4 KiB, 8 KiB, 12 KiB, ..., 4072 KiB]
Huge4 MiB[4 MiB, 8 MiB, 12 MiB, ...]

MALLCTL NAMESPACE

The following names are defined in the namespace accessible via the + mallctl*() functions. Value types are + specified in parentheses, their readable/writable statuses are encoded as + rw, r-, -w, or + --, and required build configuration flags follow, if + any. A name element encoded as <i> or + <j> indicates an integer component, where the + integer varies from 0 to some upper value that must be determined via + introspection. In the case of + "stats.arenas.<i>.*" + , + <i> equal to + "arenas.narenas" + can be + used to access the summation of statistics from all arenas. Take special + note of the + "epoch" + mallctl, + which controls refreshing of cached dynamic statistics.

+ + "version" + + (const char *) + r- +

Return the jemalloc version string.

+ + "epoch" + + (uint64_t) + rw +

If a value is passed in, refresh the data from which + the mallctl*() functions report values, + and increment the epoch. Return the current epoch. This is useful for + detecting whether another thread caused a refresh.

+ + "config.debug" + + (bool) + r- +

--enable-debug was specified during + build configuration.

+ + "config.dss" + + (bool) + r- +

--enable-dss was specified during + build configuration.

+ + "config.fill" + + (bool) + r- +

--enable-fill was specified during + build configuration.

+ + "config.lazy_lock" + + (bool) + r- +

--enable-lazy-lock was specified + during build configuration.

+ + "config.mremap" + + (bool) + r- +

--enable-mremap was specified during + build configuration.

+ + "config.munmap" + + (bool) + r- +

--enable-munmap was specified during + build configuration.

+ + "config.prof" + + (bool) + r- +

--enable-prof was specified during + build configuration.

+ + "config.prof_libgcc" + + (bool) + r- +

--disable-prof-libgcc was not + specified during build configuration.

+ + "config.prof_libunwind" + + (bool) + r- +

--enable-prof-libunwind was specified + during build configuration.

+ + "config.stats" + + (bool) + r- +

--enable-stats was specified during + build configuration.

+ + "config.tcache" + + (bool) + r- +

--disable-tcache was not specified + during build configuration.

+ + "config.tls" + + (bool) + r- +

--disable-tls was not specified during + build configuration.

+ + "config.utrace" + + (bool) + r- +

--enable-utrace was specified during + build configuration.

+ + "config.valgrind" + + (bool) + r- +

--enable-valgrind was specified during + build configuration.

+ + "config.xmalloc" + + (bool) + r- +

--enable-xmalloc was specified during + build configuration.

+ + "opt.abort" + + (bool) + r- +

Abort-on-warning enabled/disabled. If true, most + warnings are fatal. The process will call + abort(3) in these cases. This option is + disabled by default unless --enable-debug is + specified during configuration, in which case it is enabled by default. +

+ + "opt.lg_chunk" + + (size_t) + r- +

Virtual memory chunk size (log base 2). The default + chunk size is 4 MiB (2^22).

+ + "opt.dss" + + (const char *) + r- +

dss (sbrk(2)) allocation precedence as + related to mmap(2) allocation. The following + settings are supported: “disabled”, “primary”, + and “secondary” (default).

+ + "opt.narenas" + + (size_t) + r- +

Maximum number of arenas to use for automatic + multiplexing of threads and arenas. The default is four times the + number of CPUs, or one if there is a single CPU.

+ + "opt.lg_dirty_mult" + + (ssize_t) + r- +

Per-arena minimum ratio (log base 2) of active to dirty + pages. Some dirty unused pages may be allowed to accumulate, within + the limit set by the ratio (or one chunk worth of dirty pages, + whichever is greater), before informing the kernel about some of those + pages via madvise(2) or a similar system call. This + provides the kernel with sufficient information to recycle dirty pages + if physical memory becomes scarce and the pages remain unused. The + default minimum ratio is 8:1 (2^3:1); an option value of -1 will + disable dirty page purging.

+ + "opt.stats_print" + + (bool) + r- +

Enable/disable statistics printing at exit. If + enabled, the malloc_stats_print() + function is called at program exit via an + atexit(3) function. If + --enable-stats is specified during configuration, this + has the potential to cause deadlock for a multi-threaded process that + exits while one or more threads are executing in the memory allocation + functions. Therefore, this option should only be used with care; it is + primarily intended as a performance tuning aid during application + development. This option is disabled by default.

+ + "opt.junk" + + (bool) + r- + [--enable-fill] +

Junk filling enabled/disabled. If enabled, each byte + of uninitialized allocated memory will be initialized to + 0xa5. All deallocated memory will be initialized to + 0x5a. This is intended for debugging and will + impact performance negatively. This option is disabled by default + unless --enable-debug is specified during + configuration, in which case it is enabled by default unless running + inside Valgrind.

+ + "opt.quarantine" + + (size_t) + r- + [--enable-fill] +

Per thread quarantine size in bytes. If non-zero, each + thread maintains a FIFO object quarantine that stores up to the + specified number of bytes of memory. The quarantined memory is not + freed until it is released from quarantine, though it is immediately + junk-filled if the + "opt.junk" + option is + enabled. This feature is of particular use in combination with Valgrind, which can detect attempts + to access quarantined objects. This is intended for debugging and will + impact performance negatively. The default quarantine size is 0 unless + running inside Valgrind, in which case the default is 16 + MiB.

+ + "opt.redzone" + + (bool) + r- + [--enable-fill] +

Redzones enabled/disabled. If enabled, small + allocations have redzones before and after them. Furthermore, if the + + "opt.junk" + option is + enabled, the redzones are checked for corruption during deallocation. + However, the primary intended purpose of this feature is to be used in + combination with Valgrind, + which needs redzones in order to do effective buffer overflow/underflow + detection. This option is intended for debugging and will impact + performance negatively. This option is disabled by + default unless running inside Valgrind.

+ + "opt.zero" + + (bool) + r- + [--enable-fill] +

Zero filling enabled/disabled. If enabled, each byte + of uninitialized allocated memory will be initialized to 0. Note that + this initialization only happens once for each byte, so + realloc() and + rallocm() calls do not zero memory that + was previously allocated. This is intended for debugging and will + impact performance negatively. This option is disabled by default. +

+ + "opt.utrace" + + (bool) + r- + [--enable-utrace] +

Allocation tracing based on + utrace(2) enabled/disabled. This option + is disabled by default.

+ + "opt.valgrind" + + (bool) + r- + [--enable-valgrind] +

Valgrind + support enabled/disabled. This option is vestigal because jemalloc + auto-detects whether it is running inside Valgrind. This option is + disabled by default, unless running inside Valgrind.

+ + "opt.xmalloc" + + (bool) + r- + [--enable-xmalloc] +

Abort-on-out-of-memory enabled/disabled. If enabled, + rather than returning failure for any allocation function, display a + diagnostic message on STDERR_FILENO and cause the + program to drop core (using + abort(3)). If an application is + designed to depend on this behavior, set the option at compile time by + including the following in the source code: + 

+malloc_conf = "xmalloc:true";

+ This option is disabled by default.

+ + "opt.tcache" + + (bool) + r- + [--enable-tcache] +

Thread-specific caching enabled/disabled. When there + are multiple threads, each thread uses a thread-specific cache for + objects up to a certain size. Thread-specific caching allows many + allocations to be satisfied without performing any thread + synchronization, at the cost of increased memory use. See the + + "opt.lg_tcache_max" + + option for related tuning information. This option is enabled by + default unless running inside Valgrind.

+ + "opt.lg_tcache_max" + + (size_t) + r- + [--enable-tcache] +

Maximum size class (log base 2) to cache in the + thread-specific cache. At a minimum, all small size classes are + cached, and at a maximum all large size classes are cached. The + default maximum is 32 KiB (2^15).

+ + "opt.prof" + + (bool) + r- + [--enable-prof] +

Memory profiling enabled/disabled. If enabled, profile + memory allocation activity. See the + "opt.prof_active" + + option for on-the-fly activation/deactivation. See the + "opt.lg_prof_sample" + + option for probabilistic sampling control. See the + "opt.prof_accum" + + option for control of cumulative sample reporting. See the + "opt.lg_prof_interval" + + option for information on interval-triggered profile dumping, the + "opt.prof_gdump" + + option for information on high-water-triggered profile dumping, and the + + "opt.prof_final" + + option for final profile dumping. Profile output is compatible with + the included pprof Perl script, which originates + from the gperftools + package.

+ + "opt.prof_prefix" + + (const char *) + r- + [--enable-prof] +

Filename prefix for profile dumps. If the prefix is + set to the empty string, no automatic dumps will occur; this is + primarily useful for disabling the automatic final heap dump (which + also disables leak reporting, if enabled). The default prefix is + jeprof.

+ + "opt.prof_active" + + (bool) + r- + [--enable-prof] +

Profiling activated/deactivated. This is a secondary + control mechanism that makes it possible to start the application with + profiling enabled (see the + "opt.prof" + option) but + inactive, then toggle profiling at any time during program execution + with the + "prof.active" + mallctl. + This option is enabled by default.

+ + "opt.lg_prof_sample" + + (ssize_t) + r- + [--enable-prof] +

Average interval (log base 2) between allocation + samples, as measured in bytes of allocation activity. Increasing the + sampling interval decreases profile fidelity, but also decreases the + computational overhead. The default sample interval is 512 KiB (2^19 + B).

+ + "opt.prof_accum" + + (bool) + r- + [--enable-prof] +

Reporting of cumulative object/byte counts in profile + dumps enabled/disabled. If this option is enabled, every unique + backtrace must be stored for the duration of execution. Depending on + the application, this can impose a large memory overhead, and the + cumulative counts are not always of interest. This option is disabled + by default.

+ + "opt.lg_prof_interval" + + (ssize_t) + r- + [--enable-prof] +

Average interval (log base 2) between memory profile + dumps, as measured in bytes of allocation activity. The actual + interval between dumps may be sporadic because decentralized allocation + counters are used to avoid synchronization bottlenecks. Profiles are + dumped to files named according to the pattern + <prefix>.<pid>.<seq>.i<iseq>.heap, + where <prefix> is controlled by the + + "opt.prof_prefix" + + option. By default, interval-triggered profile dumping is disabled + (encoded as -1). +

+ + "opt.prof_gdump" + + (bool) + r- + [--enable-prof] +

Trigger a memory profile dump every time the total + virtual memory exceeds the previous maximum. Profiles are dumped to + files named according to the pattern + <prefix>.<pid>.<seq>.u<useq>.heap, + where <prefix> is controlled by the + "opt.prof_prefix" + + option. This option is disabled by default.

+ + "opt.prof_final" + + (bool) + r- + [--enable-prof] +

Use an + atexit(3) function to dump final memory + usage to a file named according to the pattern + <prefix>.<pid>.<seq>.f.heap, + where <prefix> is controlled by the + "opt.prof_prefix" + + option. This option is enabled by default.

+ + "opt.prof_leak" + + (bool) + r- + [--enable-prof] +

Leak reporting enabled/disabled. If enabled, use an + atexit(3) function to report memory leaks + detected by allocation sampling. See the + + "opt.prof" + option for + information on analyzing heap profile output. This option is disabled + by default.

+ + "thread.arena" + + (unsigned) + rw +

Get or set the arena associated with the calling + thread. If the specified arena was not initialized beforehand (see the + + "arenas.initialized" + + mallctl), it will be automatically initialized as a side effect of + calling this interface.

+ + "thread.allocated" + + (uint64_t) + r- + [--enable-stats] +

Get the total number of bytes ever allocated by the + calling thread. This counter has the potential to wrap around; it is + up to the application to appropriately interpret the counter in such + cases.

+ + "thread.allocatedp" + + (uint64_t *) + r- + [--enable-stats] +

Get a pointer to the the value that is returned by the + + "thread.allocated" + + mallctl. This is useful for avoiding the overhead of repeated + mallctl*() calls.

+ + "thread.deallocated" + + (uint64_t) + r- + [--enable-stats] +

Get the total number of bytes ever deallocated by the + calling thread. This counter has the potential to wrap around; it is + up to the application to appropriately interpret the counter in such + cases.

+ + "thread.deallocatedp" + + (uint64_t *) + r- + [--enable-stats] +

Get a pointer to the the value that is returned by the + + "thread.deallocated" + + mallctl. This is useful for avoiding the overhead of repeated + mallctl*() calls.

+ + "thread.tcache.enabled" + + (bool) + rw + [--enable-tcache] +

Enable/disable calling thread's tcache. The tcache is + implicitly flushed as a side effect of becoming + disabled (see + "thread.tcache.flush" + ). +

+ + "thread.tcache.flush" + + (void) + -- + [--enable-tcache] +

Flush calling thread's tcache. This interface releases + all cached objects and internal data structures associated with the + calling thread's thread-specific cache. Ordinarily, this interface + need not be called, since automatic periodic incremental garbage + collection occurs, and the thread cache is automatically discarded when + a thread exits. However, garbage collection is triggered by allocation + activity, so it is possible for a thread that stops + allocating/deallocating to retain its cache indefinitely, in which case + the developer may find manual flushing useful.

+ + "arena.<i>.purge" + + (unsigned) + -- +

Purge unused dirty pages for arena <i>, or for + all arenas if <i> equals + "arenas.narenas" + . +

+ + "arena.<i>.dss" + + (const char *) + rw +

Set the precedence of dss allocation as related to mmap + allocation for arena <i>, or for all arenas if <i> equals + + "arenas.narenas" + . See + + "opt.dss" + for supported + settings. +

+ + "arenas.narenas" + + (unsigned) + r- +

Current limit on number of arenas.

+ + "arenas.initialized" + + (bool *) + r- +

An array of + "arenas.narenas" + + booleans. Each boolean indicates whether the corresponding arena is + initialized.

+ + "arenas.quantum" + + (size_t) + r- +

Quantum size.

+ + "arenas.page" + + (size_t) + r- +

Page size.

+ + "arenas.tcache_max" + + (size_t) + r- + [--enable-tcache] +

Maximum thread-cached size class.

+ + "arenas.nbins" + + (unsigned) + r- +

Number of bin size classes.

+ + "arenas.nhbins" + + (unsigned) + r- + [--enable-tcache] +

Total number of thread cache bin size + classes.

+ + "arenas.bin.<i>.size" + + (size_t) + r- +

Maximum size supported by size class.

+ + "arenas.bin.<i>.nregs" + + (uint32_t) + r- +

Number of regions per page run.

+ + "arenas.bin.<i>.run_size" + + (size_t) + r- +

Number of bytes per page run.

+ + "arenas.nlruns" + + (size_t) + r- +

Total number of large size classes.

+ + "arenas.lrun.<i>.size" + + (size_t) + r- +

Maximum size supported by this large size + class.

+ + "arenas.purge" + + (unsigned) + -w +

Purge unused dirty pages for the specified arena, or + for all arenas if none is specified.

+ + "arenas.extend" + + (unsigned) + r- +

Extend the array of arenas by appending a new arena, + and returning the new arena index.

+ + "prof.active" + + (bool) + rw + [--enable-prof] +

Control whether sampling is currently active. See the + + "opt.prof_active" + + option for additional information. +

+ + "prof.dump" + + (const char *) + -w + [--enable-prof] +

Dump a memory profile to the specified file, or if NULL + is specified, to a file according to the pattern + <prefix>.<pid>.<seq>.m<mseq>.heap, + where <prefix> is controlled by the + + "opt.prof_prefix" + + option.

+ + "prof.interval" + + (uint64_t) + r- + [--enable-prof] +

Average number of bytes allocated between + inverval-based profile dumps. See the + + "opt.lg_prof_interval" + + option for additional information.

+ + "stats.cactive" + + (size_t *) + r- + [--enable-stats] +

Pointer to a counter that contains an approximate count + of the current number of bytes in active pages. The estimate may be + high, but never low, because each arena rounds up to the nearest + multiple of the chunk size when computing its contribution to the + counter. Note that the + "epoch" + mallctl has no bearing + on this counter. Furthermore, counter consistency is maintained via + atomic operations, so it is necessary to use an atomic operation in + order to guarantee a consistent read when dereferencing the pointer. +

+ + "stats.allocated" + + (size_t) + r- + [--enable-stats] +

Total number of bytes allocated by the + application.

+ + "stats.active" + + (size_t) + r- + [--enable-stats] +

Total number of bytes in active pages allocated by the + application. This is a multiple of the page size, and greater than or + equal to + "stats.allocated" + . + This does not include + + "stats.arenas.<i>.pdirty" + and pages + entirely devoted to allocator metadata.

+ + "stats.mapped" + + (size_t) + r- + [--enable-stats] +

Total number of bytes in chunks mapped on behalf of the + application. This is a multiple of the chunk size, and is at least as + large as + "stats.active" + . This + does not include inactive chunks.

+ + "stats.chunks.current" + + (size_t) + r- + [--enable-stats] +

Total number of chunks actively mapped on behalf of the + application. This does not include inactive chunks. +

+ + "stats.chunks.total" + + (uint64_t) + r- + [--enable-stats] +

Cumulative number of chunks allocated.

+ + "stats.chunks.high" + + (size_t) + r- + [--enable-stats] +

Maximum number of active chunks at any time thus far. +

+ + "stats.huge.allocated" + + (size_t) + r- + [--enable-stats] +

Number of bytes currently allocated by huge objects. +

+ + "stats.huge.nmalloc" + + (uint64_t) + r- + [--enable-stats] +

Cumulative number of huge allocation requests. +

+ + "stats.huge.ndalloc" + + (uint64_t) + r- + [--enable-stats] +

Cumulative number of huge deallocation requests. +

+ + "stats.arenas.<i>.dss" + + (const char *) + r- +

dss (sbrk(2)) allocation precedence as + related to mmap(2) allocation. See + "opt.dss" + for details. +

+ + "stats.arenas.<i>.nthreads" + + (unsigned) + r- +

Number of threads currently assigned to + arena.

+ + "stats.arenas.<i>.pactive" + + (size_t) + r- +

Number of pages in active runs.

+ + "stats.arenas.<i>.pdirty" + + (size_t) + r- +

Number of pages within unused runs that are potentially + dirty, and for which madvise(..., + MADV_DONTNEED) or + similar has not been called.

+ + "stats.arenas.<i>.mapped" + + (size_t) + r- + [--enable-stats] +

Number of mapped bytes.

+ + "stats.arenas.<i>.npurge" + + (uint64_t) + r- + [--enable-stats] +

Number of dirty page purge sweeps performed. +

+ + "stats.arenas.<i>.nmadvise" + + (uint64_t) + r- + [--enable-stats] +

Number of madvise(..., + MADV_DONTNEED) or + similar calls made to purge dirty pages.

+ + "stats.arenas.<i>.npurged" + + (uint64_t) + r- + [--enable-stats] +

Number of pages purged.

+ + "stats.arenas.<i>.small.allocated" + + (size_t) + r- + [--enable-stats] +

Number of bytes currently allocated by small objects. +

+ + "stats.arenas.<i>.small.nmalloc" + + (uint64_t) + r- + [--enable-stats] +

Cumulative number of allocation requests served by + small bins.

+ + "stats.arenas.<i>.small.ndalloc" + + (uint64_t) + r- + [--enable-stats] +

Cumulative number of small objects returned to bins. +

+ + "stats.arenas.<i>.small.nrequests" + + (uint64_t) + r- + [--enable-stats] +

Cumulative number of small allocation requests. +

+ + "stats.arenas.<i>.large.allocated" + + (size_t) + r- + [--enable-stats] +

Number of bytes currently allocated by large objects. +

+ + "stats.arenas.<i>.large.nmalloc" + + (uint64_t) + r- + [--enable-stats] +

Cumulative number of large allocation requests served + directly by the arena.

+ + "stats.arenas.<i>.large.ndalloc" + + (uint64_t) + r- + [--enable-stats] +

Cumulative number of large deallocation requests served + directly by the arena.

+ + "stats.arenas.<i>.large.nrequests" + + (uint64_t) + r- + [--enable-stats] +

Cumulative number of large allocation requests. +

+ + "stats.arenas.<i>.bins.<j>.allocated" + + (size_t) + r- + [--enable-stats] +

Current number of bytes allocated by + bin.

+ + "stats.arenas.<i>.bins.<j>.nmalloc" + + (uint64_t) + r- + [--enable-stats] +

Cumulative number of allocations served by bin. +

+ + "stats.arenas.<i>.bins.<j>.ndalloc" + + (uint64_t) + r- + [--enable-stats] +

Cumulative number of allocations returned to bin. +

+ + "stats.arenas.<i>.bins.<j>.nrequests" + + (uint64_t) + r- + [--enable-stats] +

Cumulative number of allocation + requests.

+ + "stats.arenas.<i>.bins.<j>.nfills" + + (uint64_t) + r- + [--enable-stats --enable-tcache] +

Cumulative number of tcache fills.

+ + "stats.arenas.<i>.bins.<j>.nflushes" + + (uint64_t) + r- + [--enable-stats --enable-tcache] +

Cumulative number of tcache flushes.

+ + "stats.arenas.<i>.bins.<j>.nruns" + + (uint64_t) + r- + [--enable-stats] +

Cumulative number of runs created.

+ + "stats.arenas.<i>.bins.<j>.nreruns" + + (uint64_t) + r- + [--enable-stats] +

Cumulative number of times the current run from which + to allocate changed.

+ + "stats.arenas.<i>.bins.<j>.curruns" + + (size_t) + r- + [--enable-stats] +

Current number of runs.

+ + "stats.arenas.<i>.lruns.<j>.nmalloc" + + (uint64_t) + r- + [--enable-stats] +

Cumulative number of allocation requests for this size + class served directly by the arena.

+ + "stats.arenas.<i>.lruns.<j>.ndalloc" + + (uint64_t) + r- + [--enable-stats] +

Cumulative number of deallocation requests for this + size class served directly by the arena.

+ + "stats.arenas.<i>.lruns.<j>.nrequests" + + (uint64_t) + r- + [--enable-stats] +

Cumulative number of allocation requests for this size + class.

+ + "stats.arenas.<i>.lruns.<j>.curruns" + + (size_t) + r- + [--enable-stats] +

Current number of runs for this size class. +

DEBUGGING MALLOC PROBLEMS

When debugging, it is a good idea to configure/build jemalloc with + the --enable-debug and --enable-fill + options, and recompile the program with suitable options and symbols for + debugger support. When so configured, jemalloc incorporates a wide variety + of run-time assertions that catch application errors such as double-free, + write-after-free, etc.

Programs often accidentally depend on “uninitialized” + memory actually being filled with zero bytes. Junk filling + (see the + "opt.junk" + + option) tends to expose such bugs in the form of obviously incorrect + results and/or coredumps. Conversely, zero + filling (see the + "opt.zero" + option) eliminates + the symptoms of such bugs. Between these two options, it is usually + possible to quickly detect, diagnose, and eliminate such bugs.

This implementation does not provide much detail about the problems + it detects, because the performance impact for storing such information + would be prohibitive. However, jemalloc does integrate with the most + excellent Valgrind tool if the + --enable-valgrind configuration option is enabled.

DIAGNOSTIC MESSAGES

If any of the memory allocation/deallocation functions detect an + error or warning condition, a message will be printed to file descriptor + STDERR_FILENO. Errors will result in the process + dumping core. If the + "opt.abort" + option is set, most + warnings are treated as errors.

The malloc_message variable allows the programmer + to override the function which emits the text strings forming the errors + and warnings if for some reason the STDERR_FILENO file + descriptor is not suitable for this. + malloc_message() takes the + cbopaque pointer argument that is + NULL unless overridden by the arguments in a call to + malloc_stats_print(), followed by a string + pointer. Please note that doing anything which tries to allocate memory in + this function is likely to result in a crash or deadlock.

All messages are prefixed by + “<jemalloc>: ”.

RETURN VALUES

Standard API

The malloc() and + calloc() functions return a pointer to the + allocated memory if successful; otherwise a NULL + pointer is returned and errno is set to + ENOMEM.

The posix_memalign() function + returns the value 0 if successful; otherwise it returns an error value. + The posix_memalign() function will fail + if: +

EINVAL

The alignment parameter is + not a power of 2 at least as large as + sizeof(void *). +

ENOMEM

Memory allocation error.

+

The aligned_alloc() function returns + a pointer to the allocated memory if successful; otherwise a + NULL pointer is returned and + errno is set. The + aligned_alloc() function will fail if: +

EINVAL

The alignment parameter is + not a power of 2. +

ENOMEM

Memory allocation error.

+

The realloc() function returns a + pointer, possibly identical to ptr, to the + allocated memory if successful; otherwise a NULL + pointer is returned, and errno is set to + ENOMEM if the error was the result of an + allocation failure. The realloc() + function always leaves the original buffer intact when an error occurs. +

The free() function returns no + value.

Non-standard API

The malloc_usable_size() function + returns the usable size of the allocation pointed to by + ptr.

The mallctl(), + mallctlnametomib(), and + mallctlbymib() functions return 0 on + success; otherwise they return an error value. The functions will fail + if: +

EINVAL

newp is not + NULL, and newlen is too + large or too small. Alternatively, *oldlenp + is too large or too small; in this case as much data as possible + are read despite the error.

ENOMEM

*oldlenp is too short to + hold the requested value.

ENOENT

name or + mib specifies an unknown/invalid + value.

EPERM

Attempt to read or write void value, or attempt to + write read-only value.

EAGAIN

A memory allocation failure + occurred.

EFAULT

An interface with side effects failed in some way + not directly related to mallctl*() + read/write processing.

+

Experimental API

The allocm(), + rallocm(), + sallocm(), + dallocm(), and + nallocm() functions return + ALLOCM_SUCCESS on success; otherwise they return an + error value. The allocm(), + rallocm(), and + nallocm() functions will fail if: +

ALLOCM_ERR_OOM

Out of memory. Insufficient contiguous memory was + available to service the allocation request. The + allocm() function additionally sets + *ptr to NULL, whereas + the rallocm() function leaves + *ptr unmodified.

+ The rallocm() function will also + fail if: +

ALLOCM_ERR_NOT_MOVED

ALLOCM_NO_MOVE was specified, + but the reallocation request could not be serviced without moving + the object.

+

ENVIRONMENT

The following environment variable affects the execution of the + allocation functions: +

MALLOC_CONF

If the environment variable + MALLOC_CONF is set, the characters it contains + will be interpreted as options.

+

EXAMPLES

To dump core whenever a problem occurs: + 

ln -s 'abort:true' /etc/malloc.conf

+

To specify in the source a chunk size that is 16 MiB: + 

+malloc_conf = "lg_chunk:24";

SEE ALSO

madvise(2), + mmap(2), + sbrk(2), + utrace(2), + alloca(3), + atexit(3), + getpagesize(3)

STANDARDS

The malloc(), + calloc(), + realloc(), and + free() functions conform to ISO/IEC + 9899:1990 (“ISO C90”).

The posix_memalign() function conforms + to IEEE Std 1003.1-2001 (“POSIX.1”).

diff --git a/deps/jemalloc/doc/jemalloc.xml.in b/deps/jemalloc/doc/jemalloc.xml.in new file mode 100644 index 0000000..54b8747 --- /dev/null +++ b/deps/jemalloc/doc/jemalloc.xml.in @@ -0,0 +1,2173 @@ + + + + + + + User Manual + jemalloc + @jemalloc_version@ + + + Jason + Evans + Author + + + + + JEMALLOC + 3 + + + jemalloc + jemalloc + + general purpose memory allocation functions + + + LIBRARY + This manual describes jemalloc @jemalloc_version@. More information + can be found at the jemalloc website. + + + SYNOPSIS + + #include <stdlib.h> +#include <jemalloc/jemalloc.h> + + Standard API + + void *malloc + size_t size + + + void *calloc + size_t number + size_t size + + + int posix_memalign + void **ptr + size_t alignment + size_t size + + + void *aligned_alloc + size_t alignment + size_t size + + + void *realloc + void *ptr + size_t size + + + void free + void *ptr + + + + Non-standard API + + size_t malloc_usable_size + const void *ptr + + + void malloc_stats_print + void (*write_cb) + void *, const char * + + void *cbopaque + const char *opts + + + int mallctl + const char *name + void *oldp + size_t *oldlenp + void *newp + size_t newlen + + + int mallctlnametomib + const char *name + size_t *mibp + size_t *miblenp + + + int mallctlbymib + const size_t *mib + size_t miblen + void *oldp + size_t *oldlenp + void *newp + size_t newlen + + + void (*malloc_message) + void *cbopaque + const char *s + + const char *malloc_conf; + + + Experimental API + + int allocm + void **ptr + size_t *rsize + size_t size + int flags + + + int rallocm + void **ptr + size_t *rsize + size_t size + size_t extra + int flags + + + int sallocm + const void *ptr + size_t *rsize + int flags + + + int dallocm + void *ptr + int flags + + + int nallocm + size_t *rsize + size_t size + int flags + + + + + + DESCRIPTION + + Standard API + + The malloc function allocates + size bytes of uninitialized memory. The allocated + space is suitably aligned (after possible pointer coercion) for storage + of any type of object. + + The calloc function allocates + space for number objects, each + size bytes in length. The result is identical to + calling malloc with an argument of + number * size, with the + exception that the allocated memory is explicitly initialized to zero + bytes. + + The posix_memalign function + allocates size bytes of memory such that the + allocation's base address is an even multiple of + alignment, and returns the allocation in the value + pointed to by ptr. The requested + alignment must be a power of 2 at least as large + as sizeof(void *). + + The aligned_alloc function + allocates size bytes of memory such that the + allocation's base address is an even multiple of + alignment. The requested + alignment must be a power of 2. Behavior is + undefined if size is not an integral multiple of + alignment. + + The realloc function changes the + size of the previously allocated memory referenced by + ptr to size bytes. The + contents of the memory are unchanged up to the lesser of the new and old + sizes. If the new size is larger, the contents of the newly allocated + portion of the memory are undefined. Upon success, the memory referenced + by ptr is freed and a pointer to the newly + allocated memory is returned. Note that + realloc may move the memory allocation, + resulting in a different return value than ptr. + If ptr is NULL, the + realloc function behaves identically to + malloc for the specified size. + + The free function causes the + allocated memory referenced by ptr to be made + available for future allocations. If ptr is + NULL, no action occurs. + + + Non-standard API + + The malloc_usable_size function + returns the usable size of the allocation pointed to by + ptr. The return value may be larger than the size + that was requested during allocation. The + malloc_usable_size function is not a + mechanism for in-place realloc; rather + it is provided solely as a tool for introspection purposes. Any + discrepancy between the requested allocation size and the size reported + by malloc_usable_size should not be + depended on, since such behavior is entirely implementation-dependent. + + + The malloc_stats_print function + writes human-readable summary statistics via the + write_cb callback function pointer and + cbopaque data passed to + write_cb, or + malloc_message if + write_cb is NULL. This + function can be called repeatedly. General information that never + changes during execution can be omitted by specifying "g" as a character + within the opts string. Note that + malloc_message uses the + mallctl* functions internally, so + inconsistent statistics can be reported if multiple threads use these + functions simultaneously. If is + specified during configuration, “m” and “a” can + be specified to omit merged arena and per arena statistics, respectively; + “b” and “l” can be specified to omit per size + class statistics for bins and large objects, respectively. Unrecognized + characters are silently ignored. Note that thread caching may prevent + some statistics from being completely up to date, since extra locking + would be required to merge counters that track thread cache operations. + + + The mallctl function provides a + general interface for introspecting the memory allocator, as well as + setting modifiable parameters and triggering actions. The + period-separated name argument specifies a + location in a tree-structured namespace; see the section for + documentation on the tree contents. To read a value, pass a pointer via + oldp to adequate space to contain the value, and a + pointer to its length via oldlenp; otherwise pass + NULL and NULL. Similarly, to + write a value, pass a pointer to the value via + newp, and its length via + newlen; otherwise pass NULL + and 0. + + The mallctlnametomib function + provides a way to avoid repeated name lookups for applications that + repeatedly query the same portion of the namespace, by translating a name + to a “Management Information Base” (MIB) that can be passed + repeatedly to mallctlbymib. Upon + successful return from mallctlnametomib, + mibp contains an array of + *miblenp integers, where + *miblenp is the lesser of the number of components + in name and the input value of + *miblenp. Thus it is possible to pass a + *miblenp that is smaller than the number of + period-separated name components, which results in a partial MIB that can + be used as the basis for constructing a complete MIB. For name + components that are integers (e.g. the 2 in + arenas.bin.2.size), + the corresponding MIB component will always be that integer. Therefore, + it is legitimate to construct code like the following: + + + Experimental API + The experimental API is subject to change or removal without regard + for backward compatibility. If + is specified during configuration, the experimental API is + omitted. + + The allocm, + rallocm, + sallocm, + dallocm, and + nallocm functions all have a + flags argument that can be used to specify + options. The functions only check the options that are contextually + relevant. Use bitwise or (|) operations to + specify one or more of the following: + + + ALLOCM_LG_ALIGN(la) + + + Align the memory allocation to start at an address + that is a multiple of (1 << + la). This macro does not validate + that la is within the valid + range. + + + ALLOCM_ALIGN(a) + + + Align the memory allocation to start at an address + that is a multiple of a, where + a is a power of two. This macro does not + validate that a is a power of 2. + + + + ALLOCM_ZERO + + Initialize newly allocated memory to contain zero + bytes. In the growing reallocation case, the real size prior to + reallocation defines the boundary between untouched bytes and those + that are initialized to contain zero bytes. If this option is + absent, newly allocated memory is uninitialized. + + + ALLOCM_NO_MOVE + + For reallocation, fail rather than moving the + object. This constraint can apply to both growth and + shrinkage. + + + ALLOCM_ARENA(a) + + + Use the arena specified by the index + a. This macro does not validate that + a specifies an arena in the valid + range. + + + + + The allocm function allocates at + least size bytes of memory, sets + *ptr to the base address of the allocation, and + sets *rsize to the real size of the allocation if + rsize is not NULL. Behavior + is undefined if size is + 0. + + The rallocm function resizes the + allocation at *ptr to be at least + size bytes, sets *ptr to + the base address of the allocation if it moved, and sets + *rsize to the real size of the allocation if + rsize is not NULL. If + extra is non-zero, an attempt is made to resize + the allocation to be at least size + + extra) bytes, though inability to allocate + the extra byte(s) will not by itself result in failure. Behavior is + undefined if size is 0, or if + (size + + extra > + SIZE_T_MAX). + + The sallocm function sets + *rsize to the real size of the allocation. + + The dallocm function causes the + memory referenced by ptr to be made available for + future allocations. + + The nallocm function allocates no + memory, but it performs the same size computation as the + allocm function, and if + rsize is not NULL it sets + *rsize to the real size of the allocation that + would result from the equivalent allocm + function call. Behavior is undefined if + size is 0. + + + + TUNING + Once, when the first call is made to one of the memory allocation + routines, the allocator initializes its internals based in part on various + options that can be specified at compile- or run-time. + + The string pointed to by the global variable + malloc_conf, the “name” of the file + referenced by the symbolic link named /etc/malloc.conf, and the value of the + environment variable MALLOC_CONF, will be interpreted, in + that order, from left to right as options. + + An options string is a comma-separated list of option:value pairs. + There is one key corresponding to each opt.* mallctl (see the section for options + documentation). For example, abort:true,narenas:1 sets + the opt.abort and opt.narenas options. Some + options have boolean values (true/false), others have integer values (base + 8, 10, or 16, depending on prefix), and yet others have raw string + values. + + + IMPLEMENTATION NOTES + Traditionally, allocators have used + sbrk + 2 to obtain memory, which is + suboptimal for several reasons, including race conditions, increased + fragmentation, and artificial limitations on maximum usable memory. If + is specified during configuration, this + allocator uses both mmap + 2 and + sbrk + 2, in that order of preference; + otherwise only mmap + 2 is used. + + This allocator uses multiple arenas in order to reduce lock + contention for threaded programs on multi-processor systems. This works + well with regard to threading scalability, but incurs some costs. There is + a small fixed per-arena overhead, and additionally, arenas manage memory + completely independently of each other, which means a small fixed increase + in overall memory fragmentation. These overheads are not generally an + issue, given the number of arenas normally used. Note that using + substantially more arenas than the default is not likely to improve + performance, mainly due to reduced cache performance. However, it may make + sense to reduce the number of arenas if an application does not make much + use of the allocation functions. + + In addition to multiple arenas, unless + is specified during configuration, this + allocator supports thread-specific caching for small and large objects, in + order to make it possible to completely avoid synchronization for most + allocation requests. Such caching allows very fast allocation in the + common case, but it increases memory usage and fragmentation, since a + bounded number of objects can remain allocated in each thread cache. + + Memory is conceptually broken into equal-sized chunks, where the + chunk size is a power of two that is greater than the page size. Chunks + are always aligned to multiples of the chunk size. This alignment makes it + possible to find metadata for user objects very quickly. + + User objects are broken into three categories according to size: + small, large, and huge. Small objects are smaller than one page. Large + objects are smaller than the chunk size. Huge objects are a multiple of + the chunk size. Small and large objects are managed by arenas; huge + objects are managed separately in a single data structure that is shared by + all threads. Huge objects are used by applications infrequently enough + that this single data structure is not a scalability issue. + + Each chunk that is managed by an arena tracks its contents as runs of + contiguous pages (unused, backing a set of small objects, or backing one + large object). The combination of chunk alignment and chunk page maps + makes it possible to determine all metadata regarding small and large + allocations in constant time. + + Small objects are managed in groups by page runs. Each run maintains + a frontier and free list to track which regions are in use. Allocation + requests that are no more than half the quantum (8 or 16, depending on + architecture) are rounded up to the nearest power of two that is at least + sizeof(double). All other small + object size classes are multiples of the quantum, spaced such that internal + fragmentation is limited to approximately 25% for all but the smallest size + classes. Allocation requests that are larger than the maximum small size + class, but small enough to fit in an arena-managed chunk (see the opt.lg_chunk option), are + rounded up to the nearest run size. Allocation requests that are too large + to fit in an arena-managed chunk are rounded up to the nearest multiple of + the chunk size. + + Allocations are packed tightly together, which can be an issue for + multi-threaded applications. If you need to assure that allocations do not + suffer from cacheline sharing, round your allocation requests up to the + nearest multiple of the cacheline size, or specify cacheline alignment when + allocating. + + Assuming 4 MiB chunks, 4 KiB pages, and a 16-byte quantum on a 64-bit + system, the size classes in each category are as shown in . + + + Size classes + + + + + + + Category + Spacing + Size + + + + + Small + lg + [8] + + + 16 + [16, 32, 48, ..., 128] + + + 32 + [160, 192, 224, 256] + + + 64 + [320, 384, 448, 512] + + + 128 + [640, 768, 896, 1024] + + + 256 + [1280, 1536, 1792, 2048] + + + 512 + [2560, 3072, 3584] + + + Large + 4 KiB + [4 KiB, 8 KiB, 12 KiB, ..., 4072 KiB] + + + Huge + 4 MiB + [4 MiB, 8 MiB, 12 MiB, ...] + + + +
+ + + MALLCTL NAMESPACE + The following names are defined in the namespace accessible via the + mallctl* functions. Value types are + specified in parentheses, their readable/writable statuses are encoded as + rw, r-, -w, or + --, and required build configuration flags follow, if + any. A name element encoded as <i> or + <j> indicates an integer component, where the + integer varies from 0 to some upper value that must be determined via + introspection. In the case of stats.arenas.<i>.*, + <i> equal to arenas.narenas can be + used to access the summation of statistics from all arenas. Take special + note of the epoch mallctl, + which controls refreshing of cached dynamic statistics. + + + + + version + (const char *) + r- + + Return the jemalloc version string. + + + + + epoch + (uint64_t) + rw + + If a value is passed in, refresh the data from which + the mallctl* functions report values, + and increment the epoch. Return the current epoch. This is useful for + detecting whether another thread caused a refresh. + + + + + config.debug + (bool) + r- + + was specified during + build configuration. + + + + + config.dss + (bool) + r- + + was specified during + build configuration. + + + + + config.fill + (bool) + r- + + was specified during + build configuration. + + + + + config.lazy_lock + (bool) + r- + + was specified + during build configuration. + + + + + config.mremap + (bool) + r- + + was specified during + build configuration. + + + + + config.munmap + (bool) + r- + + was specified during + build configuration. + + + + + config.prof + (bool) + r- + + was specified during + build configuration. + + + + + config.prof_libgcc + (bool) + r- + + was not + specified during build configuration. + + + + + config.prof_libunwind + (bool) + r- + + was specified + during build configuration. + + + + + config.stats + (bool) + r- + + was specified during + build configuration. + + + + + config.tcache + (bool) + r- + + was not specified + during build configuration. + + + + + config.tls + (bool) + r- + + was not specified during + build configuration. + + + + + config.utrace + (bool) + r- + + was specified during + build configuration. + + + + + config.valgrind + (bool) + r- + + was specified during + build configuration. + + + + + config.xmalloc + (bool) + r- + + was specified during + build configuration. + + + + + opt.abort + (bool) + r- + + Abort-on-warning enabled/disabled. If true, most + warnings are fatal. The process will call + abort + 3 in these cases. This option is + disabled by default unless is + specified during configuration, in which case it is enabled by default. + + + + + + opt.lg_chunk + (size_t) + r- + + Virtual memory chunk size (log base 2). The default + chunk size is 4 MiB (2^22). + + + + + opt.dss + (const char *) + r- + + dss (sbrk + 2) allocation precedence as + related to mmap + 2 allocation. The following + settings are supported: “disabled”, “primary”, + and “secondary” (default). + + + + + opt.narenas + (size_t) + r- + + Maximum number of arenas to use for automatic + multiplexing of threads and arenas. The default is four times the + number of CPUs, or one if there is a single CPU. + + + + + opt.lg_dirty_mult + (ssize_t) + r- + + Per-arena minimum ratio (log base 2) of active to dirty + pages. Some dirty unused pages may be allowed to accumulate, within + the limit set by the ratio (or one chunk worth of dirty pages, + whichever is greater), before informing the kernel about some of those + pages via madvise + 2 or a similar system call. This + provides the kernel with sufficient information to recycle dirty pages + if physical memory becomes scarce and the pages remain unused. The + default minimum ratio is 8:1 (2^3:1); an option value of -1 will + disable dirty page purging. + + + + + opt.stats_print + (bool) + r- + + Enable/disable statistics printing at exit. If + enabled, the malloc_stats_print + function is called at program exit via an + atexit + 3 function. If + is specified during configuration, this + has the potential to cause deadlock for a multi-threaded process that + exits while one or more threads are executing in the memory allocation + functions. Therefore, this option should only be used with care; it is + primarily intended as a performance tuning aid during application + development. This option is disabled by default. + + + + + opt.junk + (bool) + r- + [] + + Junk filling enabled/disabled. If enabled, each byte + of uninitialized allocated memory will be initialized to + 0xa5. All deallocated memory will be initialized to + 0x5a. This is intended for debugging and will + impact performance negatively. This option is disabled by default + unless is specified during + configuration, in which case it is enabled by default unless running + inside Valgrind. + + + + + opt.quarantine + (size_t) + r- + [] + + Per thread quarantine size in bytes. If non-zero, each + thread maintains a FIFO object quarantine that stores up to the + specified number of bytes of memory. The quarantined memory is not + freed until it is released from quarantine, though it is immediately + junk-filled if the opt.junk option is + enabled. This feature is of particular use in combination with Valgrind, which can detect attempts + to access quarantined objects. This is intended for debugging and will + impact performance negatively. The default quarantine size is 0 unless + running inside Valgrind, in which case the default is 16 + MiB. + + + + + opt.redzone + (bool) + r- + [] + + Redzones enabled/disabled. If enabled, small + allocations have redzones before and after them. Furthermore, if the + opt.junk option is + enabled, the redzones are checked for corruption during deallocation. + However, the primary intended purpose of this feature is to be used in + combination with Valgrind, + which needs redzones in order to do effective buffer overflow/underflow + detection. This option is intended for debugging and will impact + performance negatively. This option is disabled by + default unless running inside Valgrind. + + + + + opt.zero + (bool) + r- + [] + + Zero filling enabled/disabled. If enabled, each byte + of uninitialized allocated memory will be initialized to 0. Note that + this initialization only happens once for each byte, so + realloc and + rallocm calls do not zero memory that + was previously allocated. This is intended for debugging and will + impact performance negatively. This option is disabled by default. + + + + + + opt.utrace + (bool) + r- + [] + + Allocation tracing based on + utrace + 2 enabled/disabled. This option + is disabled by default. + + + + + opt.valgrind + (bool) + r- + [] + + Valgrind + support enabled/disabled. This option is vestigal because jemalloc + auto-detects whether it is running inside Valgrind. This option is + disabled by default, unless running inside Valgrind. + + + + + opt.xmalloc + (bool) + r- + [] + + Abort-on-out-of-memory enabled/disabled. If enabled, + rather than returning failure for any allocation function, display a + diagnostic message on STDERR_FILENO and cause the + program to drop core (using + abort + 3). If an application is + designed to depend on this behavior, set the option at compile time by + including the following in the source code: + + This option is disabled by default. + + + + + opt.tcache + (bool) + r- + [] + + Thread-specific caching enabled/disabled. When there + are multiple threads, each thread uses a thread-specific cache for + objects up to a certain size. Thread-specific caching allows many + allocations to be satisfied without performing any thread + synchronization, at the cost of increased memory use. See the + opt.lg_tcache_max + option for related tuning information. This option is enabled by + default unless running inside Valgrind. + + + + + opt.lg_tcache_max + (size_t) + r- + [] + + Maximum size class (log base 2) to cache in the + thread-specific cache. At a minimum, all small size classes are + cached, and at a maximum all large size classes are cached. The + default maximum is 32 KiB (2^15). + + + + + opt.prof + (bool) + r- + [] + + Memory profiling enabled/disabled. If enabled, profile + memory allocation activity. See the opt.prof_active + option for on-the-fly activation/deactivation. See the opt.lg_prof_sample + option for probabilistic sampling control. See the opt.prof_accum + option for control of cumulative sample reporting. See the opt.lg_prof_interval + option for information on interval-triggered profile dumping, the opt.prof_gdump + option for information on high-water-triggered profile dumping, and the + opt.prof_final + option for final profile dumping. Profile output is compatible with + the included pprof Perl script, which originates + from the gperftools + package. + + + + + opt.prof_prefix + (const char *) + r- + [] + + Filename prefix for profile dumps. If the prefix is + set to the empty string, no automatic dumps will occur; this is + primarily useful for disabling the automatic final heap dump (which + also disables leak reporting, if enabled). The default prefix is + jeprof. + + + + + opt.prof_active + (bool) + r- + [] + + Profiling activated/deactivated. This is a secondary + control mechanism that makes it possible to start the application with + profiling enabled (see the opt.prof option) but + inactive, then toggle profiling at any time during program execution + with the prof.active mallctl. + This option is enabled by default. + + + + + opt.lg_prof_sample + (ssize_t) + r- + [] + + Average interval (log base 2) between allocation + samples, as measured in bytes of allocation activity. Increasing the + sampling interval decreases profile fidelity, but also decreases the + computational overhead. The default sample interval is 512 KiB (2^19 + B). + + + + + opt.prof_accum + (bool) + r- + [] + + Reporting of cumulative object/byte counts in profile + dumps enabled/disabled. If this option is enabled, every unique + backtrace must be stored for the duration of execution. Depending on + the application, this can impose a large memory overhead, and the + cumulative counts are not always of interest. This option is disabled + by default. + + + + + opt.lg_prof_interval + (ssize_t) + r- + [] + + Average interval (log base 2) between memory profile + dumps, as measured in bytes of allocation activity. The actual + interval between dumps may be sporadic because decentralized allocation + counters are used to avoid synchronization bottlenecks. Profiles are + dumped to files named according to the pattern + <prefix>.<pid>.<seq>.i<iseq>.heap, + where <prefix> is controlled by the + opt.prof_prefix + option. By default, interval-triggered profile dumping is disabled + (encoded as -1). + + + + + + opt.prof_gdump + (bool) + r- + [] + + Trigger a memory profile dump every time the total + virtual memory exceeds the previous maximum. Profiles are dumped to + files named according to the pattern + <prefix>.<pid>.<seq>.u<useq>.heap, + where <prefix> is controlled by the opt.prof_prefix + option. This option is disabled by default. + + + + + opt.prof_final + (bool) + r- + [] + + Use an + atexit + 3 function to dump final memory + usage to a file named according to the pattern + <prefix>.<pid>.<seq>.f.heap, + where <prefix> is controlled by the opt.prof_prefix + option. This option is enabled by default. + + + + + opt.prof_leak + (bool) + r- + [] + + Leak reporting enabled/disabled. If enabled, use an + atexit + 3 function to report memory leaks + detected by allocation sampling. See the + opt.prof option for + information on analyzing heap profile output. This option is disabled + by default. + + + + + thread.arena + (unsigned) + rw + + Get or set the arena associated with the calling + thread. If the specified arena was not initialized beforehand (see the + arenas.initialized + mallctl), it will be automatically initialized as a side effect of + calling this interface. + + + + + thread.allocated + (uint64_t) + r- + [] + + Get the total number of bytes ever allocated by the + calling thread. This counter has the potential to wrap around; it is + up to the application to appropriately interpret the counter in such + cases. + + + + + thread.allocatedp + (uint64_t *) + r- + [] + + Get a pointer to the the value that is returned by the + thread.allocated + mallctl. This is useful for avoiding the overhead of repeated + mallctl* calls. + + + + + thread.deallocated + (uint64_t) + r- + [] + + Get the total number of bytes ever deallocated by the + calling thread. This counter has the potential to wrap around; it is + up to the application to appropriately interpret the counter in such + cases. + + + + + thread.deallocatedp + (uint64_t *) + r- + [] + + Get a pointer to the the value that is returned by the + thread.deallocated + mallctl. This is useful for avoiding the overhead of repeated + mallctl* calls. + + + + + thread.tcache.enabled + (bool) + rw + [] + + Enable/disable calling thread's tcache. The tcache is + implicitly flushed as a side effect of becoming + disabled (see thread.tcache.flush). + + + + + + thread.tcache.flush + (void) + -- + [] + + Flush calling thread's tcache. This interface releases + all cached objects and internal data structures associated with the + calling thread's thread-specific cache. Ordinarily, this interface + need not be called, since automatic periodic incremental garbage + collection occurs, and the thread cache is automatically discarded when + a thread exits. However, garbage collection is triggered by allocation + activity, so it is possible for a thread that stops + allocating/deallocating to retain its cache indefinitely, in which case + the developer may find manual flushing useful. + + + + + arena.<i>.purge + (unsigned) + -- + + Purge unused dirty pages for arena <i>, or for + all arenas if <i> equals arenas.narenas. + + + + + + arena.<i>.dss + (const char *) + rw + + Set the precedence of dss allocation as related to mmap + allocation for arena <i>, or for all arenas if <i> equals + arenas.narenas. See + opt.dss for supported + settings. + + + + + + arenas.narenas + (unsigned) + r- + + Current limit on number of arenas. + + + + + arenas.initialized + (bool *) + r- + + An array of arenas.narenas + booleans. Each boolean indicates whether the corresponding arena is + initialized. + + + + + arenas.quantum + (size_t) + r- + + Quantum size. + + + + + arenas.page + (size_t) + r- + + Page size. + + + + + arenas.tcache_max + (size_t) + r- + [] + + Maximum thread-cached size class. + + + + + arenas.nbins + (unsigned) + r- + + Number of bin size classes. + + + + + arenas.nhbins + (unsigned) + r- + [] + + Total number of thread cache bin size + classes. + + + + + arenas.bin.<i>.size + (size_t) + r- + + Maximum size supported by size class. + + + + + arenas.bin.<i>.nregs + (uint32_t) + r- + + Number of regions per page run. + + + + + arenas.bin.<i>.run_size + (size_t) + r- + + Number of bytes per page run. + + + + + arenas.nlruns + (size_t) + r- + + Total number of large size classes. + + + + + arenas.lrun.<i>.size + (size_t) + r- + + Maximum size supported by this large size + class. + + + + + arenas.purge + (unsigned) + -w + + Purge unused dirty pages for the specified arena, or + for all arenas if none is specified. + + + + + arenas.extend + (unsigned) + r- + + Extend the array of arenas by appending a new arena, + and returning the new arena index. + + + + + prof.active + (bool) + rw + [] + + Control whether sampling is currently active. See the + opt.prof_active + option for additional information. + + + + + + prof.dump + (const char *) + -w + [] + + Dump a memory profile to the specified file, or if NULL + is specified, to a file according to the pattern + <prefix>.<pid>.<seq>.m<mseq>.heap, + where <prefix> is controlled by the + opt.prof_prefix + option. + + + + + prof.interval + (uint64_t) + r- + [] + + Average number of bytes allocated between + inverval-based profile dumps. See the + opt.lg_prof_interval + option for additional information. + + + + + stats.cactive + (size_t *) + r- + [] + + Pointer to a counter that contains an approximate count + of the current number of bytes in active pages. The estimate may be + high, but never low, because each arena rounds up to the nearest + multiple of the chunk size when computing its contribution to the + counter. Note that the epoch mallctl has no bearing + on this counter. Furthermore, counter consistency is maintained via + atomic operations, so it is necessary to use an atomic operation in + order to guarantee a consistent read when dereferencing the pointer. + + + + + + stats.allocated + (size_t) + r- + [] + + Total number of bytes allocated by the + application. + + + + + stats.active + (size_t) + r- + [] + + Total number of bytes in active pages allocated by the + application. This is a multiple of the page size, and greater than or + equal to stats.allocated. + This does not include + stats.arenas.<i>.pdirty and pages + entirely devoted to allocator metadata. + + + + + stats.mapped + (size_t) + r- + [] + + Total number of bytes in chunks mapped on behalf of the + application. This is a multiple of the chunk size, and is at least as + large as stats.active. This + does not include inactive chunks. + + + + + stats.chunks.current + (size_t) + r- + [] + + Total number of chunks actively mapped on behalf of the + application. This does not include inactive chunks. + + + + + + stats.chunks.total + (uint64_t) + r- + [] + + Cumulative number of chunks allocated. + + + + + stats.chunks.high + (size_t) + r- + [] + + Maximum number of active chunks at any time thus far. + + + + + + stats.huge.allocated + (size_t) + r- + [] + + Number of bytes currently allocated by huge objects. + + + + + + stats.huge.nmalloc + (uint64_t) + r- + [] + + Cumulative number of huge allocation requests. + + + + + + stats.huge.ndalloc + (uint64_t) + r- + [] + + Cumulative number of huge deallocation requests. + + + + + + stats.arenas.<i>.dss + (const char *) + r- + + dss (sbrk + 2) allocation precedence as + related to mmap + 2 allocation. See opt.dss for details. + + + + + + stats.arenas.<i>.nthreads + (unsigned) + r- + + Number of threads currently assigned to + arena. + + + + + stats.arenas.<i>.pactive + (size_t) + r- + + Number of pages in active runs. + + + + + stats.arenas.<i>.pdirty + (size_t) + r- + + Number of pages within unused runs that are potentially + dirty, and for which madvise... + MADV_DONTNEED or + similar has not been called. + + + + + stats.arenas.<i>.mapped + (size_t) + r- + [] + + Number of mapped bytes. + + + + + stats.arenas.<i>.npurge + (uint64_t) + r- + [] + + Number of dirty page purge sweeps performed. + + + + + + stats.arenas.<i>.nmadvise + (uint64_t) + r- + [] + + Number of madvise... + MADV_DONTNEED or + similar calls made to purge dirty pages. + + + + + stats.arenas.<i>.npurged + (uint64_t) + r- + [] + + Number of pages purged. + + + + + stats.arenas.<i>.small.allocated + (size_t) + r- + [] + + Number of bytes currently allocated by small objects. + + + + + + stats.arenas.<i>.small.nmalloc + (uint64_t) + r- + [] + + Cumulative number of allocation requests served by + small bins. + + + + + stats.arenas.<i>.small.ndalloc + (uint64_t) + r- + [] + + Cumulative number of small objects returned to bins. + + + + + + stats.arenas.<i>.small.nrequests + (uint64_t) + r- + [] + + Cumulative number of small allocation requests. + + + + + + stats.arenas.<i>.large.allocated + (size_t) + r- + [] + + Number of bytes currently allocated by large objects. + + + + + + stats.arenas.<i>.large.nmalloc + (uint64_t) + r- + [] + + Cumulative number of large allocation requests served + directly by the arena. + + + + + stats.arenas.<i>.large.ndalloc + (uint64_t) + r- + [] + + Cumulative number of large deallocation requests served + directly by the arena. + + + + + stats.arenas.<i>.large.nrequests + (uint64_t) + r- + [] + + Cumulative number of large allocation requests. + + + + + + stats.arenas.<i>.bins.<j>.allocated + (size_t) + r- + [] + + Current number of bytes allocated by + bin. + + + + + stats.arenas.<i>.bins.<j>.nmalloc + (uint64_t) + r- + [] + + Cumulative number of allocations served by bin. + + + + + + stats.arenas.<i>.bins.<j>.ndalloc + (uint64_t) + r- + [] + + Cumulative number of allocations returned to bin. + + + + + + stats.arenas.<i>.bins.<j>.nrequests + (uint64_t) + r- + [] + + Cumulative number of allocation + requests. + + + + + stats.arenas.<i>.bins.<j>.nfills + (uint64_t) + r- + [ ] + + Cumulative number of tcache fills. + + + + + stats.arenas.<i>.bins.<j>.nflushes + (uint64_t) + r- + [ ] + + Cumulative number of tcache flushes. + + + + + stats.arenas.<i>.bins.<j>.nruns + (uint64_t) + r- + [] + + Cumulative number of runs created. + + + + + stats.arenas.<i>.bins.<j>.nreruns + (uint64_t) + r- + [] + + Cumulative number of times the current run from which + to allocate changed. + + + + + stats.arenas.<i>.bins.<j>.curruns + (size_t) + r- + [] + + Current number of runs. + + + + + stats.arenas.<i>.lruns.<j>.nmalloc + (uint64_t) + r- + [] + + Cumulative number of allocation requests for this size + class served directly by the arena. + + + + + stats.arenas.<i>.lruns.<j>.ndalloc + (uint64_t) + r- + [] + + Cumulative number of deallocation requests for this + size class served directly by the arena. + + + + + stats.arenas.<i>.lruns.<j>.nrequests + (uint64_t) + r- + [] + + Cumulative number of allocation requests for this size + class. + + + + + stats.arenas.<i>.lruns.<j>.curruns + (size_t) + r- + [] + + Current number of runs for this size class. + + + + + + DEBUGGING MALLOC PROBLEMS + When debugging, it is a good idea to configure/build jemalloc with + the and + options, and recompile the program with suitable options and symbols for + debugger support. When so configured, jemalloc incorporates a wide variety + of run-time assertions that catch application errors such as double-free, + write-after-free, etc. + + Programs often accidentally depend on “uninitialized” + memory actually being filled with zero bytes. Junk filling + (see the opt.junk + option) tends to expose such bugs in the form of obviously incorrect + results and/or coredumps. Conversely, zero + filling (see the opt.zero option) eliminates + the symptoms of such bugs. Between these two options, it is usually + possible to quickly detect, diagnose, and eliminate such bugs. + + This implementation does not provide much detail about the problems + it detects, because the performance impact for storing such information + would be prohibitive. However, jemalloc does integrate with the most + excellent Valgrind tool if the + configuration option is enabled. + + + DIAGNOSTIC MESSAGES + If any of the memory allocation/deallocation functions detect an + error or warning condition, a message will be printed to file descriptor + STDERR_FILENO. Errors will result in the process + dumping core. If the opt.abort option is set, most + warnings are treated as errors. + + The malloc_message variable allows the programmer + to override the function which emits the text strings forming the errors + and warnings if for some reason the STDERR_FILENO file + descriptor is not suitable for this. + malloc_message takes the + cbopaque pointer argument that is + NULL unless overridden by the arguments in a call to + malloc_stats_print, followed by a string + pointer. Please note that doing anything which tries to allocate memory in + this function is likely to result in a crash or deadlock. + + All messages are prefixed by + “<jemalloc>: ”. + + + RETURN VALUES + + Standard API + The malloc and + calloc functions return a pointer to the + allocated memory if successful; otherwise a NULL + pointer is returned and errno is set to + ENOMEM. + + The posix_memalign function + returns the value 0 if successful; otherwise it returns an error value. + The posix_memalign function will fail + if: + + + EINVAL + + The alignment parameter is + not a power of 2 at least as large as + sizeof(void *). + + + + ENOMEM + + Memory allocation error. + + + + + The aligned_alloc function returns + a pointer to the allocated memory if successful; otherwise a + NULL pointer is returned and + errno is set. The + aligned_alloc function will fail if: + + + EINVAL + + The alignment parameter is + not a power of 2. + + + + ENOMEM + + Memory allocation error. + + + + + The realloc function returns a + pointer, possibly identical to ptr, to the + allocated memory if successful; otherwise a NULL + pointer is returned, and errno is set to + ENOMEM if the error was the result of an + allocation failure. The realloc + function always leaves the original buffer intact when an error occurs. + + + The free function returns no + value. + + + Non-standard API + The malloc_usable_size function + returns the usable size of the allocation pointed to by + ptr. + + The mallctl, + mallctlnametomib, and + mallctlbymib functions return 0 on + success; otherwise they return an error value. The functions will fail + if: + + + EINVAL + + newp is not + NULL, and newlen is too + large or too small. Alternatively, *oldlenp + is too large or too small; in this case as much data as possible + are read despite the error. + + + ENOMEM + + *oldlenp is too short to + hold the requested value. + + + ENOENT + + name or + mib specifies an unknown/invalid + value. + + + EPERM + + Attempt to read or write void value, or attempt to + write read-only value. + + + EAGAIN + + A memory allocation failure + occurred. + + + EFAULT + + An interface with side effects failed in some way + not directly related to mallctl* + read/write processing. + + + + + + Experimental API + The allocm, + rallocm, + sallocm, + dallocm, and + nallocm functions return + ALLOCM_SUCCESS on success; otherwise they return an + error value. The allocm, + rallocm, and + nallocm functions will fail if: + + + ALLOCM_ERR_OOM + + Out of memory. Insufficient contiguous memory was + available to service the allocation request. The + allocm function additionally sets + *ptr to NULL, whereas + the rallocm function leaves + *ptr unmodified. + + + The rallocm function will also + fail if: + + + ALLOCM_ERR_NOT_MOVED + + ALLOCM_NO_MOVE was specified, + but the reallocation request could not be serviced without moving + the object. + + + + + + + ENVIRONMENT + The following environment variable affects the execution of the + allocation functions: + + + MALLOC_CONF + + If the environment variable + MALLOC_CONF is set, the characters it contains + will be interpreted as options. + + + + + + EXAMPLES + To dump core whenever a problem occurs: + ln -s 'abort:true' /etc/malloc.conf + + To specify in the source a chunk size that is 16 MiB: + + + + SEE ALSO + madvise + 2, + mmap + 2, + sbrk + 2, + utrace + 2, + alloca + 3, + atexit + 3, + getpagesize + 3 + + + STANDARDS + The malloc, + calloc, + realloc, and + free functions conform to ISO/IEC + 9899:1990 (“ISO C90”). + + The posix_memalign function conforms + to IEEE Std 1003.1-2001 (“POSIX.1”). + + diff --git a/deps/jemalloc/doc/manpages.xsl.in b/deps/jemalloc/doc/manpages.xsl.in new file mode 100644 index 0000000..88b2626 --- /dev/null +++ b/deps/jemalloc/doc/manpages.xsl.in @@ -0,0 +1,4 @@ + + + + diff --git a/deps/jemalloc/doc/stylesheet.xsl b/deps/jemalloc/doc/stylesheet.xsl new file mode 100644 index 0000000..4e334a8 --- /dev/null +++ b/deps/jemalloc/doc/stylesheet.xsl @@ -0,0 +1,7 @@ + + ansi + + + "" + + diff --git a/deps/jemalloc/include/jemalloc/internal/arena.h b/deps/jemalloc/include/jemalloc/internal/arena.h new file mode 100644 index 0000000..561c9b6 --- /dev/null +++ b/deps/jemalloc/include/jemalloc/internal/arena.h @@ -0,0 +1,975 @@ +/******************************************************************************/ +#ifdef JEMALLOC_H_TYPES + +/* + * RUN_MAX_OVRHD indicates maximum desired run header overhead. Runs are sized + * as small as possible such that this setting is still honored, without + * violating other constraints. The goal is to make runs as small as possible + * without exceeding a per run external fragmentation threshold. + * + * We use binary fixed point math for overhead computations, where the binary + * point is implicitly RUN_BFP bits to the left. + * + * Note that it is possible to set RUN_MAX_OVRHD low enough that it cannot be + * honored for some/all object sizes, since when heap profiling is enabled + * there is one pointer of header overhead per object (plus a constant). This + * constraint is relaxed (ignored) for runs that are so small that the + * per-region overhead is greater than: + * + * (RUN_MAX_OVRHD / (reg_interval << (3+RUN_BFP)) + */ +#define RUN_BFP 12 +/* \/ Implicit binary fixed point. */ +#define RUN_MAX_OVRHD 0x0000003dU +#define RUN_MAX_OVRHD_RELAX 0x00001800U + +/* Maximum number of regions in one run. */ +#define LG_RUN_MAXREGS 11 +#define RUN_MAXREGS (1U << LG_RUN_MAXREGS) + +/* + * Minimum redzone size. Redzones may be larger than this if necessary to + * preserve region alignment. + */ +#define REDZONE_MINSIZE 16 + +/* + * The minimum ratio of active:dirty pages per arena is computed as: + * + * (nactive >> opt_lg_dirty_mult) >= ndirty + * + * So, supposing that opt_lg_dirty_mult is 3, there can be no less than 8 times + * as many active pages as dirty pages. + */ +#define LG_DIRTY_MULT_DEFAULT 3 + +typedef struct arena_chunk_map_s arena_chunk_map_t; +typedef struct arena_chunk_s arena_chunk_t; +typedef struct arena_run_s arena_run_t; +typedef struct arena_bin_info_s arena_bin_info_t; +typedef struct arena_bin_s arena_bin_t; +typedef struct arena_s arena_t; + +#endif /* JEMALLOC_H_TYPES */ +/******************************************************************************/ +#ifdef JEMALLOC_H_STRUCTS + +/* Each element of the chunk map corresponds to one page within the chunk. */ +struct arena_chunk_map_s { +#ifndef JEMALLOC_PROF + /* + * Overlay prof_ctx in order to allow it to be referenced by dead code. + * Such antics aren't warranted for per arena data structures, but + * chunk map overhead accounts for a percentage of memory, rather than + * being just a fixed cost. + */ + union { +#endif + union { + /* + * Linkage for run trees. There are two disjoint uses: + * + * 1) arena_t's runs_avail tree. + * 2) arena_run_t conceptually uses this linkage for in-use + * non-full runs, rather than directly embedding linkage. + */ + rb_node(arena_chunk_map_t) rb_link; + /* + * List of runs currently in purgatory. arena_chunk_purge() + * temporarily allocates runs that contain dirty pages while + * purging, so that other threads cannot use the runs while the + * purging thread is operating without the arena lock held. + */ + ql_elm(arena_chunk_map_t) ql_link; + } u; + + /* Profile counters, used for large object runs. */ + prof_ctx_t *prof_ctx; +#ifndef JEMALLOC_PROF + }; /* union { ... }; */ +#endif + + /* + * Run address (or size) and various flags are stored together. The bit + * layout looks like (assuming 32-bit system): + * + * ???????? ???????? ????nnnn nnnndula + * + * ? : Unallocated: Run address for first/last pages, unset for internal + * pages. + * Small: Run page offset. + * Large: Run size for first page, unset for trailing pages. + * n : binind for small size class, BININD_INVALID for large size class. + * d : dirty? + * u : unzeroed? + * l : large? + * a : allocated? + * + * Following are example bit patterns for the three types of runs. + * + * p : run page offset + * s : run size + * n : binind for size class; large objects set these to BININD_INVALID + * except for promoted allocations (see prof_promote) + * x : don't care + * - : 0 + * + : 1 + * [DULA] : bit set + * [dula] : bit unset + * + * Unallocated (clean): + * ssssssss ssssssss ssss++++ ++++du-a + * xxxxxxxx xxxxxxxx xxxxxxxx xxxx-Uxx + * ssssssss ssssssss ssss++++ ++++dU-a + * + * Unallocated (dirty): + * ssssssss ssssssss ssss++++ ++++D--a + * xxxxxxxx xxxxxxxx xxxxxxxx xxxxxxxx + * ssssssss ssssssss ssss++++ ++++D--a + * + * Small: + * pppppppp pppppppp ppppnnnn nnnnd--A + * pppppppp pppppppp ppppnnnn nnnn---A + * pppppppp pppppppp ppppnnnn nnnnd--A + * + * Large: + * ssssssss ssssssss ssss++++ ++++D-LA + * xxxxxxxx xxxxxxxx xxxxxxxx xxxxxxxx + * -------- -------- ----++++ ++++D-LA + * + * Large (sampled, size <= PAGE): + * ssssssss ssssssss ssssnnnn nnnnD-LA + * + * Large (not sampled, size == PAGE): + * ssssssss ssssssss ssss++++ ++++D-LA + */ + size_t bits; +#define CHUNK_MAP_BININD_SHIFT 4 +#define BININD_INVALID ((size_t)0xffU) +/* CHUNK_MAP_BININD_MASK == (BININD_INVALID << CHUNK_MAP_BININD_SHIFT) */ +#define CHUNK_MAP_BININD_MASK ((size_t)0xff0U) +#define CHUNK_MAP_BININD_INVALID CHUNK_MAP_BININD_MASK +#define CHUNK_MAP_FLAGS_MASK ((size_t)0xcU) +#define CHUNK_MAP_DIRTY ((size_t)0x8U) +#define CHUNK_MAP_UNZEROED ((size_t)0x4U) +#define CHUNK_MAP_LARGE ((size_t)0x2U) +#define CHUNK_MAP_ALLOCATED ((size_t)0x1U) +#define CHUNK_MAP_KEY CHUNK_MAP_ALLOCATED +}; +typedef rb_tree(arena_chunk_map_t) arena_avail_tree_t; +typedef rb_tree(arena_chunk_map_t) arena_run_tree_t; + +/* Arena chunk header. */ +struct arena_chunk_s { + /* Arena that owns the chunk. */ + arena_t *arena; + + /* Linkage for tree of arena chunks that contain dirty runs. */ + rb_node(arena_chunk_t) dirty_link; + + /* Number of dirty pages. */ + size_t ndirty; + + /* Number of available runs. */ + size_t nruns_avail; + + /* + * Number of available run adjacencies. Clean and dirty available runs + * are not coalesced, which causes virtual memory fragmentation. The + * ratio of (nruns_avail-nruns_adjac):nruns_adjac is used for tracking + * this fragmentation. + * */ + size_t nruns_adjac; + + /* + * Map of pages within chunk that keeps track of free/large/small. The + * first map_bias entries are omitted, since the chunk header does not + * need to be tracked in the map. This omission saves a header page + * for common chunk sizes (e.g. 4 MiB). + */ + arena_chunk_map_t map[1]; /* Dynamically sized. */ +}; +typedef rb_tree(arena_chunk_t) arena_chunk_tree_t; + +struct arena_run_s { + /* Bin this run is associated with. */ + arena_bin_t *bin; + + /* Index of next region that has never been allocated, or nregs. */ + uint32_t nextind; + + /* Number of free regions in run. */ + unsigned nfree; +}; + +/* + * Read-only information associated with each element of arena_t's bins array + * is stored separately, partly to reduce memory usage (only one copy, rather + * than one per arena), but mainly to avoid false cacheline sharing. + * + * Each run has the following layout: + * + * /--------------------\ + * | arena_run_t header | + * | ... | + * bitmap_offset | bitmap | + * | ... | + * ctx0_offset | ctx map | + * | ... | + * |--------------------| + * | redzone | + * reg0_offset | region 0 | + * | redzone | + * |--------------------| \ + * | redzone | | + * | region 1 | > reg_interval + * | redzone | / + * |--------------------| + * | ... | + * | ... | + * | ... | + * |--------------------| + * | redzone | + * | region nregs-1 | + * | redzone | + * |--------------------| + * | alignment pad? | + * \--------------------/ + * + * reg_interval has at least the same minimum alignment as reg_size; this + * preserves the alignment constraint that sa2u() depends on. Alignment pad is + * either 0 or redzone_size; it is present only if needed to align reg0_offset. + */ +struct arena_bin_info_s { + /* Size of regions in a run for this bin's size class. */ + size_t reg_size; + + /* Redzone size. */ + size_t redzone_size; + + /* Interval between regions (reg_size + (redzone_size << 1)). */ + size_t reg_interval; + + /* Total size of a run for this bin's size class. */ + size_t run_size; + + /* Total number of regions in a run for this bin's size class. */ + uint32_t nregs; + + /* + * Offset of first bitmap_t element in a run header for this bin's size + * class. + */ + uint32_t bitmap_offset; + + /* + * Metadata used to manipulate bitmaps for runs associated with this + * bin. + */ + bitmap_info_t bitmap_info; + + /* + * Offset of first (prof_ctx_t *) in a run header for this bin's size + * class, or 0 if (config_prof == false || opt_prof == false). + */ + uint32_t ctx0_offset; + + /* Offset of first region in a run for this bin's size class. */ + uint32_t reg0_offset; +}; + +struct arena_bin_s { + /* + * All operations on runcur, runs, and stats require that lock be + * locked. Run allocation/deallocation are protected by the arena lock, + * which may be acquired while holding one or more bin locks, but not + * vise versa. + */ + malloc_mutex_t lock; + + /* + * Current run being used to service allocations of this bin's size + * class. + */ + arena_run_t *runcur; + + /* + * Tree of non-full runs. This tree is used when looking for an + * existing run when runcur is no longer usable. We choose the + * non-full run that is lowest in memory; this policy tends to keep + * objects packed well, and it can also help reduce the number of + * almost-empty chunks. + */ + arena_run_tree_t runs; + + /* Bin statistics. */ + malloc_bin_stats_t stats; +}; + +struct arena_s { + /* This arena's index within the arenas array. */ + unsigned ind; + + /* + * Number of threads currently assigned to this arena. This field is + * protected by arenas_lock. + */ + unsigned nthreads; + + /* + * There are three classes of arena operations from a locking + * perspective: + * 1) Thread asssignment (modifies nthreads) is protected by + * arenas_lock. + * 2) Bin-related operations are protected by bin locks. + * 3) Chunk- and run-related operations are protected by this mutex. + */ + malloc_mutex_t lock; + + arena_stats_t stats; + /* + * List of tcaches for extant threads associated with this arena. + * Stats from these are merged incrementally, and at exit. + */ + ql_head(tcache_t) tcache_ql; + + uint64_t prof_accumbytes; + + dss_prec_t dss_prec; + + /* Tree of dirty-page-containing chunks this arena manages. */ + arena_chunk_tree_t chunks_dirty; + + /* + * In order to avoid rapid chunk allocation/deallocation when an arena + * oscillates right on the cusp of needing a new chunk, cache the most + * recently freed chunk. The spare is left in the arena's chunk trees + * until it is deleted. + * + * There is one spare chunk per arena, rather than one spare total, in + * order to avoid interactions between multiple threads that could make + * a single spare inadequate. + */ + arena_chunk_t *spare; + + /* Number of pages in active runs. */ + size_t nactive; + + /* + * Current count of pages within unused runs that are potentially + * dirty, and for which madvise(... MADV_DONTNEED) has not been called. + * By tracking this, we can institute a limit on how much dirty unused + * memory is mapped for each arena. + */ + size_t ndirty; + + /* + * Approximate number of pages being purged. It is possible for + * multiple threads to purge dirty pages concurrently, and they use + * npurgatory to indicate the total number of pages all threads are + * attempting to purge. + */ + size_t npurgatory; + + /* + * Size/address-ordered trees of this arena's available runs. The trees + * are used for first-best-fit run allocation. + */ + arena_avail_tree_t runs_avail; + + /* bins is used to store trees of free regions. */ + arena_bin_t bins[NBINS]; +}; + +#endif /* JEMALLOC_H_STRUCTS */ +/******************************************************************************/ +#ifdef JEMALLOC_H_EXTERNS + +extern ssize_t opt_lg_dirty_mult; +/* + * small_size2bin is a compact lookup table that rounds request sizes up to + * size classes. In order to reduce cache footprint, the table is compressed, + * and all accesses are via the SMALL_SIZE2BIN macro. + */ +extern uint8_t const small_size2bin[]; +#define SMALL_SIZE2BIN(s) (small_size2bin[(s-1) >> LG_TINY_MIN]) + +extern arena_bin_info_t arena_bin_info[NBINS]; + +/* Number of large size classes. */ +#define nlclasses (chunk_npages - map_bias) + +void arena_purge_all(arena_t *arena); +void arena_prof_accum(arena_t *arena, uint64_t accumbytes); +void arena_tcache_fill_small(arena_t *arena, tcache_bin_t *tbin, + size_t binind, uint64_t prof_accumbytes); +void arena_alloc_junk_small(void *ptr, arena_bin_info_t *bin_info, + bool zero); +void arena_dalloc_junk_small(void *ptr, arena_bin_info_t *bin_info); +void *arena_malloc_small(arena_t *arena, size_t size, bool zero); +void *arena_malloc_large(arena_t *arena, size_t size, bool zero); +void *arena_palloc(arena_t *arena, size_t size, size_t alignment, bool zero); +void arena_prof_promoted(const void *ptr, size_t size); +void arena_dalloc_bin_locked(arena_t *arena, arena_chunk_t *chunk, void *ptr, + arena_chunk_map_t *mapelm); +void arena_dalloc_bin(arena_t *arena, arena_chunk_t *chunk, void *ptr, + size_t pageind, arena_chunk_map_t *mapelm); +void arena_dalloc_small(arena_t *arena, arena_chunk_t *chunk, void *ptr, + size_t pageind); +void arena_dalloc_large_locked(arena_t *arena, arena_chunk_t *chunk, + void *ptr); +void arena_dalloc_large(arena_t *arena, arena_chunk_t *chunk, void *ptr); +void *arena_ralloc_no_move(void *ptr, size_t oldsize, size_t size, + size_t extra, bool zero); +void *arena_ralloc(arena_t *arena, void *ptr, size_t oldsize, size_t size, + size_t extra, size_t alignment, bool zero, bool try_tcache_alloc, + bool try_tcache_dalloc); +dss_prec_t arena_dss_prec_get(arena_t *arena); +void arena_dss_prec_set(arena_t *arena, dss_prec_t dss_prec); +void arena_stats_merge(arena_t *arena, const char **dss, size_t *nactive, + size_t *ndirty, arena_stats_t *astats, malloc_bin_stats_t *bstats, + malloc_large_stats_t *lstats); +bool arena_new(arena_t *arena, unsigned ind); +void arena_boot(void); +void arena_prefork(arena_t *arena); +void arena_postfork_parent(arena_t *arena); +void arena_postfork_child(arena_t *arena); + +#endif /* JEMALLOC_H_EXTERNS */ +/******************************************************************************/ +#ifdef JEMALLOC_H_INLINES + +#ifndef JEMALLOC_ENABLE_INLINE +arena_chunk_map_t *arena_mapp_get(arena_chunk_t *chunk, size_t pageind); +size_t *arena_mapbitsp_get(arena_chunk_t *chunk, size_t pageind); +size_t arena_mapbits_get(arena_chunk_t *chunk, size_t pageind); +size_t arena_mapbits_unallocated_size_get(arena_chunk_t *chunk, + size_t pageind); +size_t arena_mapbits_large_size_get(arena_chunk_t *chunk, size_t pageind); +size_t arena_mapbits_small_runind_get(arena_chunk_t *chunk, size_t pageind); +size_t arena_mapbits_binind_get(arena_chunk_t *chunk, size_t pageind); +size_t arena_mapbits_dirty_get(arena_chunk_t *chunk, size_t pageind); +size_t arena_mapbits_unzeroed_get(arena_chunk_t *chunk, size_t pageind); +size_t arena_mapbits_large_get(arena_chunk_t *chunk, size_t pageind); +size_t arena_mapbits_allocated_get(arena_chunk_t *chunk, size_t pageind); +void arena_mapbits_unallocated_set(arena_chunk_t *chunk, size_t pageind, + size_t size, size_t flags); +void arena_mapbits_unallocated_size_set(arena_chunk_t *chunk, size_t pageind, + size_t size); +void arena_mapbits_large_set(arena_chunk_t *chunk, size_t pageind, + size_t size, size_t flags); +void arena_mapbits_large_binind_set(arena_chunk_t *chunk, size_t pageind, + size_t binind); +void arena_mapbits_small_set(arena_chunk_t *chunk, size_t pageind, + size_t runind, size_t binind, size_t flags); +void arena_mapbits_unzeroed_set(arena_chunk_t *chunk, size_t pageind, + size_t unzeroed); +size_t arena_ptr_small_binind_get(const void *ptr, size_t mapbits); +size_t arena_bin_index(arena_t *arena, arena_bin_t *bin); +unsigned arena_run_regind(arena_run_t *run, arena_bin_info_t *bin_info, + const void *ptr); +prof_ctx_t *arena_prof_ctx_get(const void *ptr); +void arena_prof_ctx_set(const void *ptr, prof_ctx_t *ctx); +void *arena_malloc(arena_t *arena, size_t size, bool zero, bool try_tcache); +size_t arena_salloc(const void *ptr, bool demote); +void arena_dalloc(arena_t *arena, arena_chunk_t *chunk, void *ptr, + bool try_tcache); +#endif + +#if (defined(JEMALLOC_ENABLE_INLINE) || defined(JEMALLOC_ARENA_C_)) +# ifdef JEMALLOC_ARENA_INLINE_A +JEMALLOC_INLINE arena_chunk_map_t * +arena_mapp_get(arena_chunk_t *chunk, size_t pageind) +{ + + assert(pageind >= map_bias); + assert(pageind < chunk_npages); + + return (&chunk->map[pageind-map_bias]); +} + +JEMALLOC_INLINE size_t * +arena_mapbitsp_get(arena_chunk_t *chunk, size_t pageind) +{ + + return (&arena_mapp_get(chunk, pageind)->bits); +} + +JEMALLOC_INLINE size_t +arena_mapbits_get(arena_chunk_t *chunk, size_t pageind) +{ + + return (*arena_mapbitsp_get(chunk, pageind)); +} + +JEMALLOC_INLINE size_t +arena_mapbits_unallocated_size_get(arena_chunk_t *chunk, size_t pageind) +{ + size_t mapbits; + + mapbits = arena_mapbits_get(chunk, pageind); + assert((mapbits & (CHUNK_MAP_LARGE|CHUNK_MAP_ALLOCATED)) == 0); + return (mapbits & ~PAGE_MASK); +} + +JEMALLOC_INLINE size_t +arena_mapbits_large_size_get(arena_chunk_t *chunk, size_t pageind) +{ + size_t mapbits; + + mapbits = arena_mapbits_get(chunk, pageind); + assert((mapbits & (CHUNK_MAP_LARGE|CHUNK_MAP_ALLOCATED)) == + (CHUNK_MAP_LARGE|CHUNK_MAP_ALLOCATED)); + return (mapbits & ~PAGE_MASK); +} + +JEMALLOC_INLINE size_t +arena_mapbits_small_runind_get(arena_chunk_t *chunk, size_t pageind) +{ + size_t mapbits; + + mapbits = arena_mapbits_get(chunk, pageind); + assert((mapbits & (CHUNK_MAP_LARGE|CHUNK_MAP_ALLOCATED)) == + CHUNK_MAP_ALLOCATED); + return (mapbits >> LG_PAGE); +} + +JEMALLOC_INLINE size_t +arena_mapbits_binind_get(arena_chunk_t *chunk, size_t pageind) +{ + size_t mapbits; + size_t binind; + + mapbits = arena_mapbits_get(chunk, pageind); + binind = (mapbits & CHUNK_MAP_BININD_MASK) >> CHUNK_MAP_BININD_SHIFT; + assert(binind < NBINS || binind == BININD_INVALID); + return (binind); +} + +JEMALLOC_INLINE size_t +arena_mapbits_dirty_get(arena_chunk_t *chunk, size_t pageind) +{ + size_t mapbits; + + mapbits = arena_mapbits_get(chunk, pageind); + return (mapbits & CHUNK_MAP_DIRTY); +} + +JEMALLOC_INLINE size_t +arena_mapbits_unzeroed_get(arena_chunk_t *chunk, size_t pageind) +{ + size_t mapbits; + + mapbits = arena_mapbits_get(chunk, pageind); + return (mapbits & CHUNK_MAP_UNZEROED); +} + +JEMALLOC_INLINE size_t +arena_mapbits_large_get(arena_chunk_t *chunk, size_t pageind) +{ + size_t mapbits; + + mapbits = arena_mapbits_get(chunk, pageind); + return (mapbits & CHUNK_MAP_LARGE); +} + +JEMALLOC_INLINE size_t +arena_mapbits_allocated_get(arena_chunk_t *chunk, size_t pageind) +{ + size_t mapbits; + + mapbits = arena_mapbits_get(chunk, pageind); + return (mapbits & CHUNK_MAP_ALLOCATED); +} + +JEMALLOC_INLINE void +arena_mapbits_unallocated_set(arena_chunk_t *chunk, size_t pageind, size_t size, + size_t flags) +{ + size_t *mapbitsp; + + mapbitsp = arena_mapbitsp_get(chunk, pageind); + assert((size & PAGE_MASK) == 0); + assert((flags & ~CHUNK_MAP_FLAGS_MASK) == 0); + assert((flags & (CHUNK_MAP_DIRTY|CHUNK_MAP_UNZEROED)) == flags); + *mapbitsp = size | CHUNK_MAP_BININD_INVALID | flags; +} + +JEMALLOC_INLINE void +arena_mapbits_unallocated_size_set(arena_chunk_t *chunk, size_t pageind, + size_t size) +{ + size_t *mapbitsp; + + mapbitsp = arena_mapbitsp_get(chunk, pageind); + assert((size & PAGE_MASK) == 0); + assert((*mapbitsp & (CHUNK_MAP_LARGE|CHUNK_MAP_ALLOCATED)) == 0); + *mapbitsp = size | (*mapbitsp & PAGE_MASK); +} + +JEMALLOC_INLINE void +arena_mapbits_large_set(arena_chunk_t *chunk, size_t pageind, size_t size, + size_t flags) +{ + size_t *mapbitsp; + size_t unzeroed; + + mapbitsp = arena_mapbitsp_get(chunk, pageind); + assert((size & PAGE_MASK) == 0); + assert((flags & CHUNK_MAP_DIRTY) == flags); + unzeroed = *mapbitsp & CHUNK_MAP_UNZEROED; /* Preserve unzeroed. */ + *mapbitsp = size | CHUNK_MAP_BININD_INVALID | flags | unzeroed | + CHUNK_MAP_LARGE | CHUNK_MAP_ALLOCATED; +} + +JEMALLOC_INLINE void +arena_mapbits_large_binind_set(arena_chunk_t *chunk, size_t pageind, + size_t binind) +{ + size_t *mapbitsp; + + assert(binind <= BININD_INVALID); + mapbitsp = arena_mapbitsp_get(chunk, pageind); + assert(arena_mapbits_large_size_get(chunk, pageind) == PAGE); + *mapbitsp = (*mapbitsp & ~CHUNK_MAP_BININD_MASK) | (binind << + CHUNK_MAP_BININD_SHIFT); +} + +JEMALLOC_INLINE void +arena_mapbits_small_set(arena_chunk_t *chunk, size_t pageind, size_t runind, + size_t binind, size_t flags) +{ + size_t *mapbitsp; + size_t unzeroed; + + assert(binind < BININD_INVALID); + mapbitsp = arena_mapbitsp_get(chunk, pageind); + assert(pageind - runind >= map_bias); + assert((flags & CHUNK_MAP_DIRTY) == flags); + unzeroed = *mapbitsp & CHUNK_MAP_UNZEROED; /* Preserve unzeroed. */ + *mapbitsp = (runind << LG_PAGE) | (binind << CHUNK_MAP_BININD_SHIFT) | + flags | unzeroed | CHUNK_MAP_ALLOCATED; +} + +JEMALLOC_INLINE void +arena_mapbits_unzeroed_set(arena_chunk_t *chunk, size_t pageind, + size_t unzeroed) +{ + size_t *mapbitsp; + + mapbitsp = arena_mapbitsp_get(chunk, pageind); + *mapbitsp = (*mapbitsp & ~CHUNK_MAP_UNZEROED) | unzeroed; +} + +JEMALLOC_INLINE size_t +arena_ptr_small_binind_get(const void *ptr, size_t mapbits) +{ + size_t binind; + + binind = (mapbits & CHUNK_MAP_BININD_MASK) >> CHUNK_MAP_BININD_SHIFT; + + if (config_debug) { + arena_chunk_t *chunk; + arena_t *arena; + size_t pageind; + size_t actual_mapbits; + arena_run_t *run; + arena_bin_t *bin; + size_t actual_binind; + arena_bin_info_t *bin_info; + + assert(binind != BININD_INVALID); + assert(binind < NBINS); + chunk = (arena_chunk_t *)CHUNK_ADDR2BASE(ptr); + arena = chunk->arena; + pageind = ((uintptr_t)ptr - (uintptr_t)chunk) >> LG_PAGE; + actual_mapbits = arena_mapbits_get(chunk, pageind); + assert(mapbits == actual_mapbits); + assert(arena_mapbits_large_get(chunk, pageind) == 0); + assert(arena_mapbits_allocated_get(chunk, pageind) != 0); + run = (arena_run_t *)((uintptr_t)chunk + (uintptr_t)((pageind - + (actual_mapbits >> LG_PAGE)) << LG_PAGE)); + bin = run->bin; + actual_binind = bin - arena->bins; + assert(binind == actual_binind); + bin_info = &arena_bin_info[actual_binind]; + assert(((uintptr_t)ptr - ((uintptr_t)run + + (uintptr_t)bin_info->reg0_offset)) % bin_info->reg_interval + == 0); + } + + return (binind); +} +# endif /* JEMALLOC_ARENA_INLINE_A */ + +# ifdef JEMALLOC_ARENA_INLINE_B +JEMALLOC_INLINE size_t +arena_bin_index(arena_t *arena, arena_bin_t *bin) +{ + size_t binind = bin - arena->bins; + assert(binind < NBINS); + return (binind); +} + +JEMALLOC_INLINE unsigned +arena_run_regind(arena_run_t *run, arena_bin_info_t *bin_info, const void *ptr) +{ + unsigned shift, diff, regind; + size_t interval; + + /* + * Freeing a pointer lower than region zero can cause assertion + * failure. + */ + assert((uintptr_t)ptr >= (uintptr_t)run + + (uintptr_t)bin_info->reg0_offset); + + /* + * Avoid doing division with a variable divisor if possible. Using + * actual division here can reduce allocator throughput by over 20%! + */ + diff = (unsigned)((uintptr_t)ptr - (uintptr_t)run - + bin_info->reg0_offset); + + /* Rescale (factor powers of 2 out of the numerator and denominator). */ + interval = bin_info->reg_interval; + shift = ffs(interval) - 1; + diff >>= shift; + interval >>= shift; + + if (interval == 1) { + /* The divisor was a power of 2. */ + regind = diff; + } else { + /* + * To divide by a number D that is not a power of two we + * multiply by (2^21 / D) and then right shift by 21 positions. + * + * X / D + * + * becomes + * + * (X * interval_invs[D - 3]) >> SIZE_INV_SHIFT + * + * We can omit the first three elements, because we never + * divide by 0, and 1 and 2 are both powers of two, which are + * handled above. + */ +#define SIZE_INV_SHIFT ((sizeof(unsigned) << 3) - LG_RUN_MAXREGS) +#define SIZE_INV(s) (((1U << SIZE_INV_SHIFT) / (s)) + 1) + static const unsigned interval_invs[] = { + SIZE_INV(3), + SIZE_INV(4), SIZE_INV(5), SIZE_INV(6), SIZE_INV(7), + SIZE_INV(8), SIZE_INV(9), SIZE_INV(10), SIZE_INV(11), + SIZE_INV(12), SIZE_INV(13), SIZE_INV(14), SIZE_INV(15), + SIZE_INV(16), SIZE_INV(17), SIZE_INV(18), SIZE_INV(19), + SIZE_INV(20), SIZE_INV(21), SIZE_INV(22), SIZE_INV(23), + SIZE_INV(24), SIZE_INV(25), SIZE_INV(26), SIZE_INV(27), + SIZE_INV(28), SIZE_INV(29), SIZE_INV(30), SIZE_INV(31) + }; + + if (interval <= ((sizeof(interval_invs) / sizeof(unsigned)) + + 2)) { + regind = (diff * interval_invs[interval - 3]) >> + SIZE_INV_SHIFT; + } else + regind = diff / interval; +#undef SIZE_INV +#undef SIZE_INV_SHIFT + } + assert(diff == regind * interval); + assert(regind < bin_info->nregs); + + return (regind); +} + +JEMALLOC_INLINE prof_ctx_t * +arena_prof_ctx_get(const void *ptr) +{ + prof_ctx_t *ret; + arena_chunk_t *chunk; + size_t pageind, mapbits; + + cassert(config_prof); + assert(ptr != NULL); + assert(CHUNK_ADDR2BASE(ptr) != ptr); + + chunk = (arena_chunk_t *)CHUNK_ADDR2BASE(ptr); + pageind = ((uintptr_t)ptr - (uintptr_t)chunk) >> LG_PAGE; + mapbits = arena_mapbits_get(chunk, pageind); + assert((mapbits & CHUNK_MAP_ALLOCATED) != 0); + if ((mapbits & CHUNK_MAP_LARGE) == 0) { + if (prof_promote) + ret = (prof_ctx_t *)(uintptr_t)1U; + else { + arena_run_t *run = (arena_run_t *)((uintptr_t)chunk + + (uintptr_t)((pageind - (mapbits >> LG_PAGE)) << + LG_PAGE)); + size_t binind = arena_ptr_small_binind_get(ptr, + mapbits); + arena_bin_info_t *bin_info = &arena_bin_info[binind]; + unsigned regind; + + regind = arena_run_regind(run, bin_info, ptr); + ret = *(prof_ctx_t **)((uintptr_t)run + + bin_info->ctx0_offset + (regind * + sizeof(prof_ctx_t *))); + } + } else + ret = arena_mapp_get(chunk, pageind)->prof_ctx; + + return (ret); +} + +JEMALLOC_INLINE void +arena_prof_ctx_set(const void *ptr, prof_ctx_t *ctx) +{ + arena_chunk_t *chunk; + size_t pageind, mapbits; + + cassert(config_prof); + assert(ptr != NULL); + assert(CHUNK_ADDR2BASE(ptr) != ptr); + + chunk = (arena_chunk_t *)CHUNK_ADDR2BASE(ptr); + pageind = ((uintptr_t)ptr - (uintptr_t)chunk) >> LG_PAGE; + mapbits = arena_mapbits_get(chunk, pageind); + assert((mapbits & CHUNK_MAP_ALLOCATED) != 0); + if ((mapbits & CHUNK_MAP_LARGE) == 0) { + if (prof_promote == false) { + arena_run_t *run = (arena_run_t *)((uintptr_t)chunk + + (uintptr_t)((pageind - (mapbits >> LG_PAGE)) << + LG_PAGE)); + size_t binind; + arena_bin_info_t *bin_info; + unsigned regind; + + binind = arena_ptr_small_binind_get(ptr, mapbits); + bin_info = &arena_bin_info[binind]; + regind = arena_run_regind(run, bin_info, ptr); + + *((prof_ctx_t **)((uintptr_t)run + bin_info->ctx0_offset + + (regind * sizeof(prof_ctx_t *)))) = ctx; + } else + assert((uintptr_t)ctx == (uintptr_t)1U); + } else + arena_mapp_get(chunk, pageind)->prof_ctx = ctx; +} + +JEMALLOC_INLINE void * +arena_malloc(arena_t *arena, size_t size, bool zero, bool try_tcache) +{ + tcache_t *tcache; + + assert(size != 0); + assert(size <= arena_maxclass); + + if (size <= SMALL_MAXCLASS) { + if (try_tcache && (tcache = tcache_get(true)) != NULL) + return (tcache_alloc_small(tcache, size, zero)); + else { + return (arena_malloc_small(choose_arena(arena), size, + zero)); + } + } else { + /* + * Initialize tcache after checking size in order to avoid + * infinite recursion during tcache initialization. + */ + if (try_tcache && size <= tcache_maxclass && (tcache = + tcache_get(true)) != NULL) + return (tcache_alloc_large(tcache, size, zero)); + else { + return (arena_malloc_large(choose_arena(arena), size, + zero)); + } + } +} + +/* Return the size of the allocation pointed to by ptr. */ +JEMALLOC_INLINE size_t +arena_salloc(const void *ptr, bool demote) +{ + size_t ret; + arena_chunk_t *chunk; + size_t pageind, binind; + + assert(ptr != NULL); + assert(CHUNK_ADDR2BASE(ptr) != ptr); + + chunk = (arena_chunk_t *)CHUNK_ADDR2BASE(ptr); + pageind = ((uintptr_t)ptr - (uintptr_t)chunk) >> LG_PAGE; + assert(arena_mapbits_allocated_get(chunk, pageind) != 0); + binind = arena_mapbits_binind_get(chunk, pageind); + if (binind == BININD_INVALID || (config_prof && demote == false && + prof_promote && arena_mapbits_large_get(chunk, pageind) != 0)) { + /* + * Large allocation. In the common case (demote == true), and + * as this is an inline function, most callers will only end up + * looking at binind to determine that ptr is a small + * allocation. + */ + assert(((uintptr_t)ptr & PAGE_MASK) == 0); + ret = arena_mapbits_large_size_get(chunk, pageind); + assert(ret != 0); + assert(pageind + (ret>>LG_PAGE) <= chunk_npages); + assert(ret == PAGE || arena_mapbits_large_size_get(chunk, + pageind+(ret>>LG_PAGE)-1) == 0); + assert(binind == arena_mapbits_binind_get(chunk, + pageind+(ret>>LG_PAGE)-1)); + assert(arena_mapbits_dirty_get(chunk, pageind) == + arena_mapbits_dirty_get(chunk, pageind+(ret>>LG_PAGE)-1)); + } else { + /* + * Small allocation (possibly promoted to a large object due to + * prof_promote). + */ + assert(arena_mapbits_large_get(chunk, pageind) != 0 || + arena_ptr_small_binind_get(ptr, arena_mapbits_get(chunk, + pageind)) == binind); + ret = arena_bin_info[binind].reg_size; + } + + return (ret); +} + +JEMALLOC_INLINE void +arena_dalloc(arena_t *arena, arena_chunk_t *chunk, void *ptr, bool try_tcache) +{ + size_t pageind, mapbits; + tcache_t *tcache; + + assert(arena != NULL); + assert(chunk->arena == arena); + assert(ptr != NULL); + assert(CHUNK_ADDR2BASE(ptr) != ptr); + + pageind = ((uintptr_t)ptr - (uintptr_t)chunk) >> LG_PAGE; + mapbits = arena_mapbits_get(chunk, pageind); + assert(arena_mapbits_allocated_get(chunk, pageind) != 0); + if ((mapbits & CHUNK_MAP_LARGE) == 0) { + /* Small allocation. */ + if (try_tcache && (tcache = tcache_get(false)) != NULL) { + size_t binind; + + binind = arena_ptr_small_binind_get(ptr, mapbits); + tcache_dalloc_small(tcache, ptr, binind); + } else + arena_dalloc_small(arena, chunk, ptr, pageind); + } else { + size_t size = arena_mapbits_large_size_get(chunk, pageind); + + assert(((uintptr_t)ptr & PAGE_MASK) == 0); + + if (try_tcache && size <= tcache_maxclass && (tcache = + tcache_get(false)) != NULL) { + tcache_dalloc_large(tcache, ptr, size); + } else + arena_dalloc_large(arena, chunk, ptr); + } +} +# endif /* JEMALLOC_ARENA_INLINE_B */ +#endif + +#endif /* JEMALLOC_H_INLINES */ +/******************************************************************************/ diff --git a/deps/jemalloc/include/jemalloc/internal/atomic.h b/deps/jemalloc/include/jemalloc/internal/atomic.h new file mode 100644 index 0000000..11a7b47 --- /dev/null +++ b/deps/jemalloc/include/jemalloc/internal/atomic.h @@ -0,0 +1,304 @@ +/******************************************************************************/ +#ifdef JEMALLOC_H_TYPES + +#endif /* JEMALLOC_H_TYPES */ +/******************************************************************************/ +#ifdef JEMALLOC_H_STRUCTS + +#endif /* JEMALLOC_H_STRUCTS */ +/******************************************************************************/ +#ifdef JEMALLOC_H_EXTERNS + +#define atomic_read_uint64(p) atomic_add_uint64(p, 0) +#define atomic_read_uint32(p) atomic_add_uint32(p, 0) +#define atomic_read_z(p) atomic_add_z(p, 0) +#define atomic_read_u(p) atomic_add_u(p, 0) + +#endif /* JEMALLOC_H_EXTERNS */ +/******************************************************************************/ +#ifdef JEMALLOC_H_INLINES + +#ifndef JEMALLOC_ENABLE_INLINE +uint64_t atomic_add_uint64(uint64_t *p, uint64_t x); +uint64_t atomic_sub_uint64(uint64_t *p, uint64_t x); +uint32_t atomic_add_uint32(uint32_t *p, uint32_t x); +uint32_t atomic_sub_uint32(uint32_t *p, uint32_t x); +size_t atomic_add_z(size_t *p, size_t x); +size_t atomic_sub_z(size_t *p, size_t x); +unsigned atomic_add_u(unsigned *p, unsigned x); +unsigned atomic_sub_u(unsigned *p, unsigned x); +#endif + +#if (defined(JEMALLOC_ENABLE_INLINE) || defined(JEMALLOC_ATOMIC_C_)) +/******************************************************************************/ +/* 64-bit operations. */ +#if (LG_SIZEOF_PTR == 3 || LG_SIZEOF_INT == 3) +# ifdef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8 +JEMALLOC_INLINE uint64_t +atomic_add_uint64(uint64_t *p, uint64_t x) +{ + + return (__sync_add_and_fetch(p, x)); +} + +JEMALLOC_INLINE uint64_t +atomic_sub_uint64(uint64_t *p, uint64_t x) +{ + + return (__sync_sub_and_fetch(p, x)); +} +#elif (defined(_MSC_VER)) +JEMALLOC_INLINE uint64_t +atomic_add_uint64(uint64_t *p, uint64_t x) +{ + + return (InterlockedExchangeAdd64(p, x)); +} + +JEMALLOC_INLINE uint64_t +atomic_sub_uint64(uint64_t *p, uint64_t x) +{ + + return (InterlockedExchangeAdd64(p, -((int64_t)x))); +} +#elif (defined(JEMALLOC_OSATOMIC)) +JEMALLOC_INLINE uint64_t +atomic_add_uint64(uint64_t *p, uint64_t x) +{ + + return (OSAtomicAdd64((int64_t)x, (int64_t *)p)); +} + +JEMALLOC_INLINE uint64_t +atomic_sub_uint64(uint64_t *p, uint64_t x) +{ + + return (OSAtomicAdd64(-((int64_t)x), (int64_t *)p)); +} +# elif (defined(__amd64__) || defined(__x86_64__)) +JEMALLOC_INLINE uint64_t +atomic_add_uint64(uint64_t *p, uint64_t x) +{ + + asm volatile ( + "lock; xaddq %0, %1;" + : "+r" (x), "=m" (*p) /* Outputs. */ + : "m" (*p) /* Inputs. */ + ); + + return (x); +} + +JEMALLOC_INLINE uint64_t +atomic_sub_uint64(uint64_t *p, uint64_t x) +{ + + x = (uint64_t)(-(int64_t)x); + asm volatile ( + "lock; xaddq %0, %1;" + : "+r" (x), "=m" (*p) /* Outputs. */ + : "m" (*p) /* Inputs. */ + ); + + return (x); +} +# elif (defined(JEMALLOC_ATOMIC9)) +JEMALLOC_INLINE uint64_t +atomic_add_uint64(uint64_t *p, uint64_t x) +{ + + /* + * atomic_fetchadd_64() doesn't exist, but we only ever use this + * function on LP64 systems, so atomic_fetchadd_long() will do. + */ + assert(sizeof(uint64_t) == sizeof(unsigned long)); + + return (atomic_fetchadd_long(p, (unsigned long)x) + x); +} + +JEMALLOC_INLINE uint64_t +atomic_sub_uint64(uint64_t *p, uint64_t x) +{ + + assert(sizeof(uint64_t) == sizeof(unsigned long)); + + return (atomic_fetchadd_long(p, (unsigned long)(-(long)x)) - x); +} +# elif (defined(JE_FORCE_SYNC_COMPARE_AND_SWAP_8)) +JEMALLOC_INLINE uint64_t +atomic_add_uint64(uint64_t *p, uint64_t x) +{ + + return (__sync_add_and_fetch(p, x)); +} + +JEMALLOC_INLINE uint64_t +atomic_sub_uint64(uint64_t *p, uint64_t x) +{ + + return (__sync_sub_and_fetch(p, x)); +} +# else +# error "Missing implementation for 64-bit atomic operations" +# endif +#endif + +/******************************************************************************/ +/* 32-bit operations. */ +#ifdef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4 +JEMALLOC_INLINE uint32_t +atomic_add_uint32(uint32_t *p, uint32_t x) +{ + + return (__sync_add_and_fetch(p, x)); +} + +JEMALLOC_INLINE uint32_t +atomic_sub_uint32(uint32_t *p, uint32_t x) +{ + + return (__sync_sub_and_fetch(p, x)); +} +#elif (defined(_MSC_VER)) +JEMALLOC_INLINE uint32_t +atomic_add_uint32(uint32_t *p, uint32_t x) +{ + + return (InterlockedExchangeAdd(p, x)); +} + +JEMALLOC_INLINE uint32_t +atomic_sub_uint32(uint32_t *p, uint32_t x) +{ + + return (InterlockedExchangeAdd(p, -((int32_t)x))); +} +#elif (defined(JEMALLOC_OSATOMIC)) +JEMALLOC_INLINE uint32_t +atomic_add_uint32(uint32_t *p, uint32_t x) +{ + + return (OSAtomicAdd32((int32_t)x, (int32_t *)p)); +} + +JEMALLOC_INLINE uint32_t +atomic_sub_uint32(uint32_t *p, uint32_t x) +{ + + return (OSAtomicAdd32(-((int32_t)x), (int32_t *)p)); +} +#elif (defined(__i386__) || defined(__amd64__) || defined(__x86_64__)) +JEMALLOC_INLINE uint32_t +atomic_add_uint32(uint32_t *p, uint32_t x) +{ + + asm volatile ( + "lock; xaddl %0, %1;" + : "+r" (x), "=m" (*p) /* Outputs. */ + : "m" (*p) /* Inputs. */ + ); + + return (x); +} + +JEMALLOC_INLINE uint32_t +atomic_sub_uint32(uint32_t *p, uint32_t x) +{ + + x = (uint32_t)(-(int32_t)x); + asm volatile ( + "lock; xaddl %0, %1;" + : "+r" (x), "=m" (*p) /* Outputs. */ + : "m" (*p) /* Inputs. */ + ); + + return (x); +} +#elif (defined(JEMALLOC_ATOMIC9)) +JEMALLOC_INLINE uint32_t +atomic_add_uint32(uint32_t *p, uint32_t x) +{ + + return (atomic_fetchadd_32(p, x) + x); +} + +JEMALLOC_INLINE uint32_t +atomic_sub_uint32(uint32_t *p, uint32_t x) +{ + + return (atomic_fetchadd_32(p, (uint32_t)(-(int32_t)x)) - x); +} +#elif (defined(JE_FORCE_SYNC_COMPARE_AND_SWAP_4)) +JEMALLOC_INLINE uint32_t +atomic_add_uint32(uint32_t *p, uint32_t x) +{ + + return (__sync_add_and_fetch(p, x)); +} + +JEMALLOC_INLINE uint32_t +atomic_sub_uint32(uint32_t *p, uint32_t x) +{ + + return (__sync_sub_and_fetch(p, x)); +} +#else +# error "Missing implementation for 32-bit atomic operations" +#endif + +/******************************************************************************/ +/* size_t operations. */ +JEMALLOC_INLINE size_t +atomic_add_z(size_t *p, size_t x) +{ + +#if (LG_SIZEOF_PTR == 3) + return ((size_t)atomic_add_uint64((uint64_t *)p, (uint64_t)x)); +#elif (LG_SIZEOF_PTR == 2) + return ((size_t)atomic_add_uint32((uint32_t *)p, (uint32_t)x)); +#endif +} + +JEMALLOC_INLINE size_t +atomic_sub_z(size_t *p, size_t x) +{ + +#if (LG_SIZEOF_PTR == 3) + return ((size_t)atomic_add_uint64((uint64_t *)p, + (uint64_t)-((int64_t)x))); +#elif (LG_SIZEOF_PTR == 2) + return ((size_t)atomic_add_uint32((uint32_t *)p, + (uint32_t)-((int32_t)x))); +#endif +} + +/******************************************************************************/ +/* unsigned operations. */ +JEMALLOC_INLINE unsigned +atomic_add_u(unsigned *p, unsigned x) +{ + +#if (LG_SIZEOF_INT == 3) + return ((unsigned)atomic_add_uint64((uint64_t *)p, (uint64_t)x)); +#elif (LG_SIZEOF_INT == 2) + return ((unsigned)atomic_add_uint32((uint32_t *)p, (uint32_t)x)); +#endif +} + +JEMALLOC_INLINE unsigned +atomic_sub_u(unsigned *p, unsigned x) +{ + +#if (LG_SIZEOF_INT == 3) + return ((unsigned)atomic_add_uint64((uint64_t *)p, + (uint64_t)-((int64_t)x))); +#elif (LG_SIZEOF_INT == 2) + return ((unsigned)atomic_add_uint32((uint32_t *)p, + (uint32_t)-((int32_t)x))); +#endif +} +/******************************************************************************/ +#endif + +#endif /* JEMALLOC_H_INLINES */ +/******************************************************************************/ diff --git a/deps/jemalloc/include/jemalloc/internal/base.h b/deps/jemalloc/include/jemalloc/internal/base.h new file mode 100644 index 0000000..9cf75ff --- /dev/null +++ b/deps/jemalloc/include/jemalloc/internal/base.h @@ -0,0 +1,26 @@ +/******************************************************************************/ +#ifdef JEMALLOC_H_TYPES + +#endif /* JEMALLOC_H_TYPES */ +/******************************************************************************/ +#ifdef JEMALLOC_H_STRUCTS + +#endif /* JEMALLOC_H_STRUCTS */ +/******************************************************************************/ +#ifdef JEMALLOC_H_EXTERNS + +void *base_alloc(size_t size); +void *base_calloc(size_t number, size_t size); +extent_node_t *base_node_alloc(void); +void base_node_dealloc(extent_node_t *node); +bool base_boot(void); +void base_prefork(void); +void base_postfork_parent(void); +void base_postfork_child(void); + +#endif /* JEMALLOC_H_EXTERNS */ +/******************************************************************************/ +#ifdef JEMALLOC_H_INLINES + +#endif /* JEMALLOC_H_INLINES */ +/******************************************************************************/ diff --git a/deps/jemalloc/include/jemalloc/internal/bitmap.h b/deps/jemalloc/include/jemalloc/internal/bitmap.h new file mode 100644 index 0000000..605ebac --- /dev/null +++ b/deps/jemalloc/include/jemalloc/internal/bitmap.h @@ -0,0 +1,184 @@ +/******************************************************************************/ +#ifdef JEMALLOC_H_TYPES + +/* Maximum bitmap bit count is 2^LG_BITMAP_MAXBITS. */ +#define LG_BITMAP_MAXBITS LG_RUN_MAXREGS + +typedef struct bitmap_level_s bitmap_level_t; +typedef struct bitmap_info_s bitmap_info_t; +typedef unsigned long bitmap_t; +#define LG_SIZEOF_BITMAP LG_SIZEOF_LONG + +/* Number of bits per group. */ +#define LG_BITMAP_GROUP_NBITS (LG_SIZEOF_BITMAP + 3) +#define BITMAP_GROUP_NBITS (ZU(1) << LG_BITMAP_GROUP_NBITS) +#define BITMAP_GROUP_NBITS_MASK (BITMAP_GROUP_NBITS-1) + +/* Maximum number of levels possible. */ +#define BITMAP_MAX_LEVELS \ + (LG_BITMAP_MAXBITS / LG_SIZEOF_BITMAP) \ + + !!(LG_BITMAP_MAXBITS % LG_SIZEOF_BITMAP) + +#endif /* JEMALLOC_H_TYPES */ +/******************************************************************************/ +#ifdef JEMALLOC_H_STRUCTS + +struct bitmap_level_s { + /* Offset of this level's groups within the array of groups. */ + size_t group_offset; +}; + +struct bitmap_info_s { + /* Logical number of bits in bitmap (stored at bottom level). */ + size_t nbits; + + /* Number of levels necessary for nbits. */ + unsigned nlevels; + + /* + * Only the first (nlevels+1) elements are used, and levels are ordered + * bottom to top (e.g. the bottom level is stored in levels[0]). + */ + bitmap_level_t levels[BITMAP_MAX_LEVELS+1]; +}; + +#endif /* JEMALLOC_H_STRUCTS */ +/******************************************************************************/ +#ifdef JEMALLOC_H_EXTERNS + +void bitmap_info_init(bitmap_info_t *binfo, size_t nbits); +size_t bitmap_info_ngroups(const bitmap_info_t *binfo); +size_t bitmap_size(size_t nbits); +void bitmap_init(bitmap_t *bitmap, const bitmap_info_t *binfo); + +#endif /* JEMALLOC_H_EXTERNS */ +/******************************************************************************/ +#ifdef JEMALLOC_H_INLINES + +#ifndef JEMALLOC_ENABLE_INLINE +bool bitmap_full(bitmap_t *bitmap, const bitmap_info_t *binfo); +bool bitmap_get(bitmap_t *bitmap, const bitmap_info_t *binfo, size_t bit); +void bitmap_set(bitmap_t *bitmap, const bitmap_info_t *binfo, size_t bit); +size_t bitmap_sfu(bitmap_t *bitmap, const bitmap_info_t *binfo); +void bitmap_unset(bitmap_t *bitmap, const bitmap_info_t *binfo, size_t bit); +#endif + +#if (defined(JEMALLOC_ENABLE_INLINE) || defined(JEMALLOC_BITMAP_C_)) +JEMALLOC_INLINE bool +bitmap_full(bitmap_t *bitmap, const bitmap_info_t *binfo) +{ + unsigned rgoff = binfo->levels[binfo->nlevels].group_offset - 1; + bitmap_t rg = bitmap[rgoff]; + /* The bitmap is full iff the root group is 0. */ + return (rg == 0); +} + +JEMALLOC_INLINE bool +bitmap_get(bitmap_t *bitmap, const bitmap_info_t *binfo, size_t bit) +{ + size_t goff; + bitmap_t g; + + assert(bit < binfo->nbits); + goff = bit >> LG_BITMAP_GROUP_NBITS; + g = bitmap[goff]; + return (!(g & (1LU << (bit & BITMAP_GROUP_NBITS_MASK)))); +} + +JEMALLOC_INLINE void +bitmap_set(bitmap_t *bitmap, const bitmap_info_t *binfo, size_t bit) +{ + size_t goff; + bitmap_t *gp; + bitmap_t g; + + assert(bit < binfo->nbits); + assert(bitmap_get(bitmap, binfo, bit) == false); + goff = bit >> LG_BITMAP_GROUP_NBITS; + gp = &bitmap[goff]; + g = *gp; + assert(g & (1LU << (bit & BITMAP_GROUP_NBITS_MASK))); + g ^= 1LU << (bit & BITMAP_GROUP_NBITS_MASK); + *gp = g; + assert(bitmap_get(bitmap, binfo, bit)); + /* Propagate group state transitions up the tree. */ + if (g == 0) { + unsigned i; + for (i = 1; i < binfo->nlevels; i++) { + bit = goff; + goff = bit >> LG_BITMAP_GROUP_NBITS; + gp = &bitmap[binfo->levels[i].group_offset + goff]; + g = *gp; + assert(g & (1LU << (bit & BITMAP_GROUP_NBITS_MASK))); + g ^= 1LU << (bit & BITMAP_GROUP_NBITS_MASK); + *gp = g; + if (g != 0) + break; + } + } +} + +/* sfu: set first unset. */ +JEMALLOC_INLINE size_t +bitmap_sfu(bitmap_t *bitmap, const bitmap_info_t *binfo) +{ + size_t bit; + bitmap_t g; + unsigned i; + + assert(bitmap_full(bitmap, binfo) == false); + + i = binfo->nlevels - 1; + g = bitmap[binfo->levels[i].group_offset]; + bit = ffsl(g) - 1; + while (i > 0) { + i--; + g = bitmap[binfo->levels[i].group_offset + bit]; + bit = (bit << LG_BITMAP_GROUP_NBITS) + (ffsl(g) - 1); + } + + bitmap_set(bitmap, binfo, bit); + return (bit); +} + +JEMALLOC_INLINE void +bitmap_unset(bitmap_t *bitmap, const bitmap_info_t *binfo, size_t bit) +{ + size_t goff; + bitmap_t *gp; + bitmap_t g; + bool propagate; + + assert(bit < binfo->nbits); + assert(bitmap_get(bitmap, binfo, bit)); + goff = bit >> LG_BITMAP_GROUP_NBITS; + gp = &bitmap[goff]; + g = *gp; + propagate = (g == 0); + assert((g & (1LU << (bit & BITMAP_GROUP_NBITS_MASK))) == 0); + g ^= 1LU << (bit & BITMAP_GROUP_NBITS_MASK); + *gp = g; + assert(bitmap_get(bitmap, binfo, bit) == false); + /* Propagate group state transitions up the tree. */ + if (propagate) { + unsigned i; + for (i = 1; i < binfo->nlevels; i++) { + bit = goff; + goff = bit >> LG_BITMAP_GROUP_NBITS; + gp = &bitmap[binfo->levels[i].group_offset + goff]; + g = *gp; + propagate = (g == 0); + assert((g & (1LU << (bit & BITMAP_GROUP_NBITS_MASK))) + == 0); + g ^= 1LU << (bit & BITMAP_GROUP_NBITS_MASK); + *gp = g; + if (propagate == false) + break; + } + } +} + +#endif + +#endif /* JEMALLOC_H_INLINES */ +/******************************************************************************/ diff --git a/deps/jemalloc/include/jemalloc/internal/chunk.h b/deps/jemalloc/include/jemalloc/internal/chunk.h new file mode 100644 index 0000000..87d8700 --- /dev/null +++ b/deps/jemalloc/include/jemalloc/internal/chunk.h @@ -0,0 +1,63 @@ +/******************************************************************************/ +#ifdef JEMALLOC_H_TYPES + +/* + * Size and alignment of memory chunks that are allocated by the OS's virtual + * memory system. + */ +#define LG_CHUNK_DEFAULT 22 + +/* Return the chunk address for allocation address a. */ +#define CHUNK_ADDR2BASE(a) \ + ((void *)((uintptr_t)(a) & ~chunksize_mask)) + +/* Return the chunk offset of address a. */ +#define CHUNK_ADDR2OFFSET(a) \ + ((size_t)((uintptr_t)(a) & chunksize_mask)) + +/* Return the smallest chunk multiple that is >= s. */ +#define CHUNK_CEILING(s) \ + (((s) + chunksize_mask) & ~chunksize_mask) + +#endif /* JEMALLOC_H_TYPES */ +/******************************************************************************/ +#ifdef JEMALLOC_H_STRUCTS + +#endif /* JEMALLOC_H_STRUCTS */ +/******************************************************************************/ +#ifdef JEMALLOC_H_EXTERNS + +extern size_t opt_lg_chunk; +extern const char *opt_dss; + +/* Protects stats_chunks; currently not used for any other purpose. */ +extern malloc_mutex_t chunks_mtx; +/* Chunk statistics. */ +extern chunk_stats_t stats_chunks; + +extern rtree_t *chunks_rtree; + +extern size_t chunksize; +extern size_t chunksize_mask; /* (chunksize - 1). */ +extern size_t chunk_npages; +extern size_t map_bias; /* Number of arena chunk header pages. */ +extern size_t arena_maxclass; /* Max size class for arenas. */ + +void *chunk_alloc(size_t size, size_t alignment, bool base, bool *zero, + dss_prec_t dss_prec); +void chunk_unmap(void *chunk, size_t size); +void chunk_dealloc(void *chunk, size_t size, bool unmap); +bool chunk_boot(void); +void chunk_prefork(void); +void chunk_postfork_parent(void); +void chunk_postfork_child(void); + +#endif /* JEMALLOC_H_EXTERNS */ +/******************************************************************************/ +#ifdef JEMALLOC_H_INLINES + +#endif /* JEMALLOC_H_INLINES */ +/******************************************************************************/ + +#include "jemalloc/internal/chunk_dss.h" +#include "jemalloc/internal/chunk_mmap.h" diff --git a/deps/jemalloc/include/jemalloc/internal/chunk_dss.h b/deps/jemalloc/include/jemalloc/internal/chunk_dss.h new file mode 100644 index 0000000..6585f07 --- /dev/null +++ b/deps/jemalloc/include/jemalloc/internal/chunk_dss.h @@ -0,0 +1,38 @@ +/******************************************************************************/ +#ifdef JEMALLOC_H_TYPES + +typedef enum { + dss_prec_disabled = 0, + dss_prec_primary = 1, + dss_prec_secondary = 2, + + dss_prec_limit = 3 +} dss_prec_t ; +#define DSS_PREC_DEFAULT dss_prec_secondary +#define DSS_DEFAULT "secondary" + +#endif /* JEMALLOC_H_TYPES */ +/******************************************************************************/ +#ifdef JEMALLOC_H_STRUCTS + +extern const char *dss_prec_names[]; + +#endif /* JEMALLOC_H_STRUCTS */ +/******************************************************************************/ +#ifdef JEMALLOC_H_EXTERNS + +dss_prec_t chunk_dss_prec_get(void); +bool chunk_dss_prec_set(dss_prec_t dss_prec); +void *chunk_alloc_dss(size_t size, size_t alignment, bool *zero); +bool chunk_in_dss(void *chunk); +bool chunk_dss_boot(void); +void chunk_dss_prefork(void); +void chunk_dss_postfork_parent(void); +void chunk_dss_postfork_child(void); + +#endif /* JEMALLOC_H_EXTERNS */ +/******************************************************************************/ +#ifdef JEMALLOC_H_INLINES + +#endif /* JEMALLOC_H_INLINES */ +/******************************************************************************/ diff --git a/deps/jemalloc/include/jemalloc/internal/chunk_mmap.h b/deps/jemalloc/include/jemalloc/internal/chunk_mmap.h new file mode 100644 index 0000000..f24abac --- /dev/null +++ b/deps/jemalloc/include/jemalloc/internal/chunk_mmap.h @@ -0,0 +1,22 @@ +/******************************************************************************/ +#ifdef JEMALLOC_H_TYPES + +#endif /* JEMALLOC_H_TYPES */ +/******************************************************************************/ +#ifdef JEMALLOC_H_STRUCTS + +#endif /* JEMALLOC_H_STRUCTS */ +/******************************************************************************/ +#ifdef JEMALLOC_H_EXTERNS + +bool pages_purge(void *addr, size_t length); + +void *chunk_alloc_mmap(size_t size, size_t alignment, bool *zero); +bool chunk_dealloc_mmap(void *chunk, size_t size); + +#endif /* JEMALLOC_H_EXTERNS */ +/******************************************************************************/ +#ifdef JEMALLOC_H_INLINES + +#endif /* JEMALLOC_H_INLINES */ +/******************************************************************************/ diff --git a/deps/jemalloc/include/jemalloc/internal/ckh.h b/deps/jemalloc/include/jemalloc/internal/ckh.h new file mode 100644 index 0000000..05d1fc0 --- /dev/null +++ b/deps/jemalloc/include/jemalloc/internal/ckh.h @@ -0,0 +1,90 @@ +/******************************************************************************/ +#ifdef JEMALLOC_H_TYPES + +typedef struct ckh_s ckh_t; +typedef struct ckhc_s ckhc_t; + +/* Typedefs to allow easy function pointer passing. */ +typedef void ckh_hash_t (const void *, unsigned, size_t *, size_t *); +typedef bool ckh_keycomp_t (const void *, const void *); + +/* Maintain counters used to get an idea of performance. */ +/* #define CKH_COUNT */ +/* Print counter values in ckh_delete() (requires CKH_COUNT). */ +/* #define CKH_VERBOSE */ + +/* + * There are 2^LG_CKH_BUCKET_CELLS cells in each hash table bucket. Try to fit + * one bucket per L1 cache line. + */ +#define LG_CKH_BUCKET_CELLS (LG_CACHELINE - LG_SIZEOF_PTR - 1) + +#endif /* JEMALLOC_H_TYPES */ +/******************************************************************************/ +#ifdef JEMALLOC_H_STRUCTS + +/* Hash table cell. */ +struct ckhc_s { + const void *key; + const void *data; +}; + +struct ckh_s { +#ifdef CKH_COUNT + /* Counters used to get an idea of performance. */ + uint64_t ngrows; + uint64_t nshrinks; + uint64_t nshrinkfails; + uint64_t ninserts; + uint64_t nrelocs; +#endif + + /* Used for pseudo-random number generation. */ +#define CKH_A 1103515241 +#define CKH_C 12347 + uint32_t prng_state; + + /* Total number of items. */ + size_t count; + + /* + * Minimum and current number of hash table buckets. There are + * 2^LG_CKH_BUCKET_CELLS cells per bucket. + */ + unsigned lg_minbuckets; + unsigned lg_curbuckets; + + /* Hash and comparison functions. */ + ckh_hash_t *hash; + ckh_keycomp_t *keycomp; + + /* Hash table with 2^lg_curbuckets buckets. */ + ckhc_t *tab; +}; + +#endif /* JEMALLOC_H_STRUCTS */ +/******************************************************************************/ +#ifdef JEMALLOC_H_EXTERNS + +bool ckh_new(ckh_t *ckh, size_t minitems, ckh_hash_t *hash, + ckh_keycomp_t *keycomp); +void ckh_delete(ckh_t *ckh); +size_t ckh_count(ckh_t *ckh); +bool ckh_iter(ckh_t *ckh, size_t *tabind, void **key, void **data); +bool ckh_insert(ckh_t *ckh, const void *key, const void *data); +bool ckh_remove(ckh_t *ckh, const void *searchkey, void **key, + void **data); +bool ckh_search(ckh_t *ckh, const void *seachkey, void **key, void **data); +void ckh_string_hash(const void *key, unsigned minbits, size_t *hash1, + size_t *hash2); +bool ckh_string_keycomp(const void *k1, const void *k2); +void ckh_pointer_hash(const void *key, unsigned minbits, size_t *hash1, + size_t *hash2); +bool ckh_pointer_keycomp(const void *k1, const void *k2); + +#endif /* JEMALLOC_H_EXTERNS */ +/******************************************************************************/ +#ifdef JEMALLOC_H_INLINES + +#endif /* JEMALLOC_H_INLINES */ +/******************************************************************************/ diff --git a/deps/jemalloc/include/jemalloc/internal/ctl.h b/deps/jemalloc/include/jemalloc/internal/ctl.h new file mode 100644 index 0000000..0ffecc5 --- /dev/null +++ b/deps/jemalloc/include/jemalloc/internal/ctl.h @@ -0,0 +1,117 @@ +/******************************************************************************/ +#ifdef JEMALLOC_H_TYPES + +typedef struct ctl_node_s ctl_node_t; +typedef struct ctl_named_node_s ctl_named_node_t; +typedef struct ctl_indexed_node_s ctl_indexed_node_t; +typedef struct ctl_arena_stats_s ctl_arena_stats_t; +typedef struct ctl_stats_s ctl_stats_t; + +#endif /* JEMALLOC_H_TYPES */ +/******************************************************************************/ +#ifdef JEMALLOC_H_STRUCTS + +struct ctl_node_s { + bool named; +}; + +struct ctl_named_node_s { + struct ctl_node_s node; + const char *name; + /* If (nchildren == 0), this is a terminal node. */ + unsigned nchildren; + const ctl_node_t *children; + int (*ctl)(const size_t *, size_t, void *, size_t *, + void *, size_t); +}; + +struct ctl_indexed_node_s { + struct ctl_node_s node; + const ctl_named_node_t *(*index)(const size_t *, size_t, size_t); +}; + +struct ctl_arena_stats_s { + bool initialized; + unsigned nthreads; + const char *dss; + size_t pactive; + size_t pdirty; + arena_stats_t astats; + + /* Aggregate stats for small size classes, based on bin stats. */ + size_t allocated_small; + uint64_t nmalloc_small; + uint64_t ndalloc_small; + uint64_t nrequests_small; + + malloc_bin_stats_t bstats[NBINS]; + malloc_large_stats_t *lstats; /* nlclasses elements. */ +}; + +struct ctl_stats_s { + size_t allocated; + size_t active; + size_t mapped; + struct { + size_t current; /* stats_chunks.curchunks */ + uint64_t total; /* stats_chunks.nchunks */ + size_t high; /* stats_chunks.highchunks */ + } chunks; + struct { + size_t allocated; /* huge_allocated */ + uint64_t nmalloc; /* huge_nmalloc */ + uint64_t ndalloc; /* huge_ndalloc */ + } huge; + unsigned narenas; + ctl_arena_stats_t *arenas; /* (narenas + 1) elements. */ +}; + +#endif /* JEMALLOC_H_STRUCTS */ +/******************************************************************************/ +#ifdef JEMALLOC_H_EXTERNS + +int ctl_byname(const char *name, void *oldp, size_t *oldlenp, void *newp, + size_t newlen); +int ctl_nametomib(const char *name, size_t *mibp, size_t *miblenp); + +int ctl_bymib(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, + void *newp, size_t newlen); +bool ctl_boot(void); +void ctl_prefork(void); +void ctl_postfork_parent(void); +void ctl_postfork_child(void); + +#define xmallctl(name, oldp, oldlenp, newp, newlen) do { \ + if (je_mallctl(name, oldp, oldlenp, newp, newlen) \ + != 0) { \ + malloc_printf( \ + ": Failure in xmallctl(\"%s\", ...)\n", \ + name); \ + abort(); \ + } \ +} while (0) + +#define xmallctlnametomib(name, mibp, miblenp) do { \ + if (je_mallctlnametomib(name, mibp, miblenp) != 0) { \ + malloc_printf(": Failure in " \ + "xmallctlnametomib(\"%s\", ...)\n", name); \ + abort(); \ + } \ +} while (0) + +#define xmallctlbymib(mib, miblen, oldp, oldlenp, newp, newlen) do { \ + if (je_mallctlbymib(mib, miblen, oldp, oldlenp, newp, \ + newlen) != 0) { \ + malloc_write( \ + ": Failure in xmallctlbymib()\n"); \ + abort(); \ + } \ +} while (0) + +#endif /* JEMALLOC_H_EXTERNS */ +/******************************************************************************/ +#ifdef JEMALLOC_H_INLINES + +#endif /* JEMALLOC_H_INLINES */ +/******************************************************************************/ + diff --git a/deps/jemalloc/include/jemalloc/internal/extent.h b/deps/jemalloc/include/jemalloc/internal/extent.h new file mode 100644 index 0000000..ba95ca8 --- /dev/null +++ b/deps/jemalloc/include/jemalloc/internal/extent.h @@ -0,0 +1,46 @@ +/******************************************************************************/ +#ifdef JEMALLOC_H_TYPES + +typedef struct extent_node_s extent_node_t; + +#endif /* JEMALLOC_H_TYPES */ +/******************************************************************************/ +#ifdef JEMALLOC_H_STRUCTS + +/* Tree of extents. */ +struct extent_node_s { + /* Linkage for the size/address-ordered tree. */ + rb_node(extent_node_t) link_szad; + + /* Linkage for the address-ordered tree. */ + rb_node(extent_node_t) link_ad; + + /* Profile counters, used for huge objects. */ + prof_ctx_t *prof_ctx; + + /* Pointer to the extent that this tree node is responsible for. */ + void *addr; + + /* Total region size. */ + size_t size; + + /* True if zero-filled; used by chunk recycling code. */ + bool zeroed; +}; +typedef rb_tree(extent_node_t) extent_tree_t; + +#endif /* JEMALLOC_H_STRUCTS */ +/******************************************************************************/ +#ifdef JEMALLOC_H_EXTERNS + +rb_proto(, extent_tree_szad_, extent_tree_t, extent_node_t) + +rb_proto(, extent_tree_ad_, extent_tree_t, extent_node_t) + +#endif /* JEMALLOC_H_EXTERNS */ +/******************************************************************************/ +#ifdef JEMALLOC_H_INLINES + +#endif /* JEMALLOC_H_INLINES */ +/******************************************************************************/ + diff --git a/deps/jemalloc/include/jemalloc/internal/hash.h b/deps/jemalloc/include/jemalloc/internal/hash.h new file mode 100644 index 0000000..2f501f5 --- /dev/null +++ b/deps/jemalloc/include/jemalloc/internal/hash.h @@ -0,0 +1,70 @@ +/******************************************************************************/ +#ifdef JEMALLOC_H_TYPES + +#endif /* JEMALLOC_H_TYPES */ +/******************************************************************************/ +#ifdef JEMALLOC_H_STRUCTS + +#endif /* JEMALLOC_H_STRUCTS */ +/******************************************************************************/ +#ifdef JEMALLOC_H_EXTERNS + +#endif /* JEMALLOC_H_EXTERNS */ +/******************************************************************************/ +#ifdef JEMALLOC_H_INLINES + +#ifndef JEMALLOC_ENABLE_INLINE +uint64_t hash(const void *key, size_t len, uint64_t seed); +#endif + +#if (defined(JEMALLOC_ENABLE_INLINE) || defined(JEMALLOC_HASH_C_)) +/* + * The following hash function is based on MurmurHash64A(), placed into the + * public domain by Austin Appleby. See http://murmurhash.googlepages.com/ for + * details. + */ +JEMALLOC_INLINE uint64_t +hash(const void *key, size_t len, uint64_t seed) +{ + const uint64_t m = UINT64_C(0xc6a4a7935bd1e995); + const int r = 47; + uint64_t h = seed ^ (len * m); + const uint64_t *data = (const uint64_t *)key; + const uint64_t *end = data + (len/8); + const unsigned char *data2; + + assert(((uintptr_t)key & 0x7) == 0); + + while(data != end) { + uint64_t k = *data++; + + k *= m; + k ^= k >> r; + k *= m; + + h ^= k; + h *= m; + } + + data2 = (const unsigned char *)data; + switch(len & 7) { + case 7: h ^= ((uint64_t)(data2[6])) << 48; + case 6: h ^= ((uint64_t)(data2[5])) << 40; + case 5: h ^= ((uint64_t)(data2[4])) << 32; + case 4: h ^= ((uint64_t)(data2[3])) << 24; + case 3: h ^= ((uint64_t)(data2[2])) << 16; + case 2: h ^= ((uint64_t)(data2[1])) << 8; + case 1: h ^= ((uint64_t)(data2[0])); + h *= m; + } + + h ^= h >> r; + h *= m; + h ^= h >> r; + + return (h); +} +#endif + +#endif /* JEMALLOC_H_INLINES */ +/******************************************************************************/ diff --git a/deps/jemalloc/include/jemalloc/internal/huge.h b/deps/jemalloc/include/jemalloc/internal/huge.h new file mode 100644 index 0000000..d987d37 --- /dev/null +++ b/deps/jemalloc/include/jemalloc/internal/huge.h @@ -0,0 +1,40 @@ +/******************************************************************************/ +#ifdef JEMALLOC_H_TYPES + +#endif /* JEMALLOC_H_TYPES */ +/******************************************************************************/ +#ifdef JEMALLOC_H_STRUCTS + +#endif /* JEMALLOC_H_STRUCTS */ +/******************************************************************************/ +#ifdef JEMALLOC_H_EXTERNS + +/* Huge allocation statistics. */ +extern uint64_t huge_nmalloc; +extern uint64_t huge_ndalloc; +extern size_t huge_allocated; + +/* Protects chunk-related data structures. */ +extern malloc_mutex_t huge_mtx; + +void *huge_malloc(size_t size, bool zero); +void *huge_palloc(size_t size, size_t alignment, bool zero); +void *huge_ralloc_no_move(void *ptr, size_t oldsize, size_t size, + size_t extra); +void *huge_ralloc(void *ptr, size_t oldsize, size_t size, size_t extra, + size_t alignment, bool zero, bool try_tcache_dalloc); +void huge_dalloc(void *ptr, bool unmap); +size_t huge_salloc(const void *ptr); +prof_ctx_t *huge_prof_ctx_get(const void *ptr); +void huge_prof_ctx_set(const void *ptr, prof_ctx_t *ctx); +bool huge_boot(void); +void huge_prefork(void); +void huge_postfork_parent(void); +void huge_postfork_child(void); + +#endif /* JEMALLOC_H_EXTERNS */ +/******************************************************************************/ +#ifdef JEMALLOC_H_INLINES + +#endif /* JEMALLOC_H_INLINES */ +/******************************************************************************/ diff --git a/deps/jemalloc/include/jemalloc/internal/jemalloc_internal.h.in b/deps/jemalloc/include/jemalloc/internal/jemalloc_internal.h.in new file mode 100644 index 0000000..475821a --- /dev/null +++ b/deps/jemalloc/include/jemalloc/internal/jemalloc_internal.h.in @@ -0,0 +1,1010 @@ +#ifndef JEMALLOC_INTERNAL_H +#define JEMALLOC_INTERNAL_H +#include +#ifdef _WIN32 +# include +# define ENOENT ERROR_PATH_NOT_FOUND +# define EINVAL ERROR_BAD_ARGUMENTS +# define EAGAIN ERROR_OUTOFMEMORY +# define EPERM ERROR_WRITE_FAULT +# define EFAULT ERROR_INVALID_ADDRESS +# define ENOMEM ERROR_NOT_ENOUGH_MEMORY +# undef ERANGE +# define ERANGE ERROR_INVALID_DATA +#else +# include +# include +# include +# if !defined(SYS_write) && defined(__NR_write) +# define SYS_write __NR_write +# endif +# include +# include +# include +#endif +#include + +#include +#ifndef SIZE_T_MAX +# define SIZE_T_MAX SIZE_MAX +#endif +#include +#include +#include +#include +#include +#include +#ifndef offsetof +# define offsetof(type, member) ((size_t)&(((type *)NULL)->member)) +#endif +#include +#include +#include +#include +#ifdef _MSC_VER +# include +typedef intptr_t ssize_t; +# define PATH_MAX 1024 +# define STDERR_FILENO 2 +# define __func__ __FUNCTION__ +/* Disable warnings about deprecated system functions */ +# pragma warning(disable: 4996) +#else +# include +#endif +#include + +#define JEMALLOC_NO_DEMANGLE +#include "../jemalloc@install_suffix@.h" + +#ifdef JEMALLOC_UTRACE +#include +#endif + +#ifdef JEMALLOC_VALGRIND +#include +#include +#endif + +#include "jemalloc/internal/private_namespace.h" + +#ifdef JEMALLOC_CC_SILENCE +#define UNUSED JEMALLOC_ATTR(unused) +#else +#define UNUSED +#endif + +static const bool config_debug = +#ifdef JEMALLOC_DEBUG + true +#else + false +#endif + ; +static const bool config_dss = +#ifdef JEMALLOC_DSS + true +#else + false +#endif + ; +static const bool config_fill = +#ifdef JEMALLOC_FILL + true +#else + false +#endif + ; +static const bool config_lazy_lock = +#ifdef JEMALLOC_LAZY_LOCK + true +#else + false +#endif + ; +static const bool config_prof = +#ifdef JEMALLOC_PROF + true +#else + false +#endif + ; +static const bool config_prof_libgcc = +#ifdef JEMALLOC_PROF_LIBGCC + true +#else + false +#endif + ; +static const bool config_prof_libunwind = +#ifdef JEMALLOC_PROF_LIBUNWIND + true +#else + false +#endif + ; +static const bool config_mremap = +#ifdef JEMALLOC_MREMAP + true +#else + false +#endif + ; +static const bool config_munmap = +#ifdef JEMALLOC_MUNMAP + true +#else + false +#endif + ; +static const bool config_stats = +#ifdef JEMALLOC_STATS + true +#else + false +#endif + ; +static const bool config_tcache = +#ifdef JEMALLOC_TCACHE + true +#else + false +#endif + ; +static const bool config_tls = +#ifdef JEMALLOC_TLS + true +#else + false +#endif + ; +static const bool config_utrace = +#ifdef JEMALLOC_UTRACE + true +#else + false +#endif + ; +static const bool config_valgrind = +#ifdef JEMALLOC_VALGRIND + true +#else + false +#endif + ; +static const bool config_xmalloc = +#ifdef JEMALLOC_XMALLOC + true +#else + false +#endif + ; +static const bool config_ivsalloc = +#ifdef JEMALLOC_IVSALLOC + true +#else + false +#endif + ; + +#ifdef JEMALLOC_ATOMIC9 +#include +#endif + +#if (defined(JEMALLOC_OSATOMIC) || defined(JEMALLOC_OSSPIN)) +#include +#endif + +#ifdef JEMALLOC_ZONE +#include +#include +#include +#include +#endif + +#define RB_COMPACT +#include "jemalloc/internal/rb.h" +#include "jemalloc/internal/qr.h" +#include "jemalloc/internal/ql.h" + +/* + * jemalloc can conceptually be broken into components (arena, tcache, etc.), + * but there are circular dependencies that cannot be broken without + * substantial performance degradation. In order to reduce the effect on + * visual code flow, read the header files in multiple passes, with one of the + * following cpp variables defined during each pass: + * + * JEMALLOC_H_TYPES : Preprocessor-defined constants and psuedo-opaque data + * types. + * JEMALLOC_H_STRUCTS : Data structures. + * JEMALLOC_H_EXTERNS : Extern data declarations and function prototypes. + * JEMALLOC_H_INLINES : Inline functions. + */ +/******************************************************************************/ +#define JEMALLOC_H_TYPES + +#define ALLOCM_LG_ALIGN_MASK ((int)0x3f) + +#define ZU(z) ((size_t)z) + +#ifndef __DECONST +# define __DECONST(type, var) ((type)(uintptr_t)(const void *)(var)) +#endif + +#ifdef JEMALLOC_DEBUG + /* Disable inlining to make debugging easier. */ +# define JEMALLOC_INLINE +# define inline +#else +# define JEMALLOC_ENABLE_INLINE +# define JEMALLOC_INLINE static inline +# ifdef _MSC_VER +# define inline _inline +# endif +#endif + +/* Smallest size class to support. */ +#define LG_TINY_MIN 3 +#define TINY_MIN (1U << LG_TINY_MIN) + +/* + * Minimum alignment of allocations is 2^LG_QUANTUM bytes (ignoring tiny size + * classes). + */ +#ifndef LG_QUANTUM +# if (defined(__i386__) || defined(_M_IX86)) +# define LG_QUANTUM 4 +# endif +# ifdef __ia64__ +# define LG_QUANTUM 4 +# endif +# ifdef __alpha__ +# define LG_QUANTUM 4 +# endif +# ifdef __sparc64__ +# define LG_QUANTUM 4 +# endif +# if (defined(__amd64__) || defined(__x86_64__) || defined(_M_X64)) +# define LG_QUANTUM 4 +# endif +# ifdef __arm__ +# define LG_QUANTUM 3 +# endif +# ifdef __hppa__ +# define LG_QUANTUM 4 +# endif +# ifdef __mips__ +# define LG_QUANTUM 3 +# endif +# ifdef __powerpc__ +# define LG_QUANTUM 4 +# endif +# ifdef __s390x__ +# define LG_QUANTUM 4 +# endif +# ifdef __SH4__ +# define LG_QUANTUM 4 +# endif +# ifdef __tile__ +# define LG_QUANTUM 4 +# endif +# ifndef LG_QUANTUM +# error "No LG_QUANTUM definition for architecture; specify via CPPFLAGS" +# endif +#endif + +#define QUANTUM ((size_t)(1U << LG_QUANTUM)) +#define QUANTUM_MASK (QUANTUM - 1) + +/* Return the smallest quantum multiple that is >= a. */ +#define QUANTUM_CEILING(a) \ + (((a) + QUANTUM_MASK) & ~QUANTUM_MASK) + +#define LONG ((size_t)(1U << LG_SIZEOF_LONG)) +#define LONG_MASK (LONG - 1) + +/* Return the smallest long multiple that is >= a. */ +#define LONG_CEILING(a) \ + (((a) + LONG_MASK) & ~LONG_MASK) + +#define SIZEOF_PTR (1U << LG_SIZEOF_PTR) +#define PTR_MASK (SIZEOF_PTR - 1) + +/* Return the smallest (void *) multiple that is >= a. */ +#define PTR_CEILING(a) \ + (((a) + PTR_MASK) & ~PTR_MASK) + +/* + * Maximum size of L1 cache line. This is used to avoid cache line aliasing. + * In addition, this controls the spacing of cacheline-spaced size classes. + * + * CACHELINE cannot be based on LG_CACHELINE because __declspec(align()) can + * only handle raw constants. + */ +#define LG_CACHELINE 6 +#define CACHELINE 64 +#define CACHELINE_MASK (CACHELINE - 1) + +/* Return the smallest cacheline multiple that is >= s. */ +#define CACHELINE_CEILING(s) \ + (((s) + CACHELINE_MASK) & ~CACHELINE_MASK) + +/* Page size. STATIC_PAGE_SHIFT is determined by the configure script. */ +#ifdef PAGE_MASK +# undef PAGE_MASK +#endif +#define LG_PAGE STATIC_PAGE_SHIFT +#define PAGE ((size_t)(1U << STATIC_PAGE_SHIFT)) +#define PAGE_MASK ((size_t)(PAGE - 1)) + +/* Return the smallest pagesize multiple that is >= s. */ +#define PAGE_CEILING(s) \ + (((s) + PAGE_MASK) & ~PAGE_MASK) + +/* Return the nearest aligned address at or below a. */ +#define ALIGNMENT_ADDR2BASE(a, alignment) \ + ((void *)((uintptr_t)(a) & (-(alignment)))) + +/* Return the offset between a and the nearest aligned address at or below a. */ +#define ALIGNMENT_ADDR2OFFSET(a, alignment) \ + ((size_t)((uintptr_t)(a) & (alignment - 1))) + +/* Return the smallest alignment multiple that is >= s. */ +#define ALIGNMENT_CEILING(s, alignment) \ + (((s) + (alignment - 1)) & (-(alignment))) + +/* Declare a variable length array */ +#if __STDC_VERSION__ < 199901L +# ifdef _MSC_VER +# include +# define alloca _alloca +# else +# include +# endif +# define VARIABLE_ARRAY(type, name, count) \ + type *name = alloca(sizeof(type) * count) +#else +# define VARIABLE_ARRAY(type, name, count) type name[count] +#endif + +#ifdef JEMALLOC_VALGRIND +/* + * The JEMALLOC_VALGRIND_*() macros must be macros rather than functions + * so that when Valgrind reports errors, there are no extra stack frames + * in the backtraces. + * + * The size that is reported to valgrind must be consistent through a chain of + * malloc..realloc..realloc calls. Request size isn't recorded anywhere in + * jemalloc, so it is critical that all callers of these macros provide usize + * rather than request size. As a result, buffer overflow detection is + * technically weakened for the standard API, though it is generally accepted + * practice to consider any extra bytes reported by malloc_usable_size() as + * usable space. + */ +#define JEMALLOC_VALGRIND_MALLOC(cond, ptr, usize, zero) do { \ + if (config_valgrind && opt_valgrind && cond) \ + VALGRIND_MALLOCLIKE_BLOCK(ptr, usize, p2rz(ptr), zero); \ +} while (0) +#define JEMALLOC_VALGRIND_REALLOC(ptr, usize, old_ptr, old_usize, \ + old_rzsize, zero) do { \ + if (config_valgrind && opt_valgrind) { \ + size_t rzsize = p2rz(ptr); \ + \ + if (ptr == old_ptr) { \ + VALGRIND_RESIZEINPLACE_BLOCK(ptr, old_usize, \ + usize, rzsize); \ + if (zero && old_usize < usize) { \ + VALGRIND_MAKE_MEM_DEFINED( \ + (void *)((uintptr_t)ptr + \ + old_usize), usize - old_usize); \ + } \ + } else { \ + if (old_ptr != NULL) { \ + VALGRIND_FREELIKE_BLOCK(old_ptr, \ + old_rzsize); \ + } \ + if (ptr != NULL) { \ + size_t copy_size = (old_usize < usize) \ + ? old_usize : usize; \ + size_t tail_size = usize - copy_size; \ + VALGRIND_MALLOCLIKE_BLOCK(ptr, usize, \ + rzsize, false); \ + if (copy_size > 0) { \ + VALGRIND_MAKE_MEM_DEFINED(ptr, \ + copy_size); \ + } \ + if (zero && tail_size > 0) { \ + VALGRIND_MAKE_MEM_DEFINED( \ + (void *)((uintptr_t)ptr + \ + copy_size), tail_size); \ + } \ + } \ + } \ + } \ +} while (0) +#define JEMALLOC_VALGRIND_FREE(ptr, rzsize) do { \ + if (config_valgrind && opt_valgrind) \ + VALGRIND_FREELIKE_BLOCK(ptr, rzsize); \ +} while (0) +#else +#define RUNNING_ON_VALGRIND ((unsigned)0) +#define VALGRIND_MALLOCLIKE_BLOCK(addr, sizeB, rzB, is_zeroed) +#define VALGRIND_RESIZEINPLACE_BLOCK(addr, oldSizeB, newSizeB, rzB) +#define VALGRIND_FREELIKE_BLOCK(addr, rzB) +#define VALGRIND_MAKE_MEM_UNDEFINED(_qzz_addr, _qzz_len) +#define VALGRIND_MAKE_MEM_DEFINED(_qzz_addr, _qzz_len) +#define JEMALLOC_VALGRIND_MALLOC(cond, ptr, usize, zero) +#define JEMALLOC_VALGRIND_REALLOC(ptr, usize, old_ptr, old_usize, \ + old_rzsize, zero) +#define JEMALLOC_VALGRIND_FREE(ptr, rzsize) +#endif + +#include "jemalloc/internal/util.h" +#include "jemalloc/internal/atomic.h" +#include "jemalloc/internal/prng.h" +#include "jemalloc/internal/ckh.h" +#include "jemalloc/internal/size_classes.h" +#include "jemalloc/internal/stats.h" +#include "jemalloc/internal/ctl.h" +#include "jemalloc/internal/mutex.h" +#include "jemalloc/internal/tsd.h" +#include "jemalloc/internal/mb.h" +#include "jemalloc/internal/extent.h" +#include "jemalloc/internal/arena.h" +#include "jemalloc/internal/bitmap.h" +#include "jemalloc/internal/base.h" +#include "jemalloc/internal/chunk.h" +#include "jemalloc/internal/huge.h" +#include "jemalloc/internal/rtree.h" +#include "jemalloc/internal/tcache.h" +#include "jemalloc/internal/hash.h" +#include "jemalloc/internal/quarantine.h" +#include "jemalloc/internal/prof.h" + +#undef JEMALLOC_H_TYPES +/******************************************************************************/ +#define JEMALLOC_H_STRUCTS + +#include "jemalloc/internal/util.h" +#include "jemalloc/internal/atomic.h" +#include "jemalloc/internal/prng.h" +#include "jemalloc/internal/ckh.h" +#include "jemalloc/internal/size_classes.h" +#include "jemalloc/internal/stats.h" +#include "jemalloc/internal/ctl.h" +#include "jemalloc/internal/mutex.h" +#include "jemalloc/internal/tsd.h" +#include "jemalloc/internal/mb.h" +#include "jemalloc/internal/bitmap.h" +#include "jemalloc/internal/extent.h" +#include "jemalloc/internal/arena.h" +#include "jemalloc/internal/base.h" +#include "jemalloc/internal/chunk.h" +#include "jemalloc/internal/huge.h" +#include "jemalloc/internal/rtree.h" +#include "jemalloc/internal/tcache.h" +#include "jemalloc/internal/hash.h" +#include "jemalloc/internal/quarantine.h" +#include "jemalloc/internal/prof.h" + +typedef struct { + uint64_t allocated; + uint64_t deallocated; +} thread_allocated_t; +/* + * The JEMALLOC_CONCAT() wrapper is necessary to pass {0, 0} via a cpp macro + * argument. + */ +#define THREAD_ALLOCATED_INITIALIZER JEMALLOC_CONCAT({0, 0}) + +#undef JEMALLOC_H_STRUCTS +/******************************************************************************/ +#define JEMALLOC_H_EXTERNS + +extern bool opt_abort; +extern bool opt_junk; +extern size_t opt_quarantine; +extern bool opt_redzone; +extern bool opt_utrace; +extern bool opt_valgrind; +extern bool opt_xmalloc; +extern bool opt_zero; +extern size_t opt_narenas; + +/* Number of CPUs. */ +extern unsigned ncpus; + +/* Protects arenas initialization (arenas, arenas_total). */ +extern malloc_mutex_t arenas_lock; +/* + * Arenas that are used to service external requests. Not all elements of the + * arenas array are necessarily used; arenas are created lazily as needed. + * + * arenas[0..narenas_auto) are used for automatic multiplexing of threads and + * arenas. arenas[narenas_auto..narenas_total) are only used if the application + * takes some action to create them and allocate from them. + */ +extern arena_t **arenas; +extern unsigned narenas_total; +extern unsigned narenas_auto; /* Read-only after initialization. */ + +arena_t *arenas_extend(unsigned ind); +void arenas_cleanup(void *arg); +arena_t *choose_arena_hard(void); +void jemalloc_prefork(void); +void jemalloc_postfork_parent(void); +void jemalloc_postfork_child(void); + +#include "jemalloc/internal/util.h" +#include "jemalloc/internal/atomic.h" +#include "jemalloc/internal/prng.h" +#include "jemalloc/internal/ckh.h" +#include "jemalloc/internal/size_classes.h" +#include "jemalloc/internal/stats.h" +#include "jemalloc/internal/ctl.h" +#include "jemalloc/internal/mutex.h" +#include "jemalloc/internal/tsd.h" +#include "jemalloc/internal/mb.h" +#include "jemalloc/internal/bitmap.h" +#include "jemalloc/internal/extent.h" +#include "jemalloc/internal/arena.h" +#include "jemalloc/internal/base.h" +#include "jemalloc/internal/chunk.h" +#include "jemalloc/internal/huge.h" +#include "jemalloc/internal/rtree.h" +#include "jemalloc/internal/tcache.h" +#include "jemalloc/internal/hash.h" +#include "jemalloc/internal/quarantine.h" +#include "jemalloc/internal/prof.h" + +#undef JEMALLOC_H_EXTERNS +/******************************************************************************/ +#define JEMALLOC_H_INLINES + +#include "jemalloc/internal/util.h" +#include "jemalloc/internal/atomic.h" +#include "jemalloc/internal/prng.h" +#include "jemalloc/internal/ckh.h" +#include "jemalloc/internal/size_classes.h" +#include "jemalloc/internal/stats.h" +#include "jemalloc/internal/ctl.h" +#include "jemalloc/internal/mutex.h" +#include "jemalloc/internal/tsd.h" +#include "jemalloc/internal/mb.h" +#include "jemalloc/internal/extent.h" +#include "jemalloc/internal/base.h" +#include "jemalloc/internal/chunk.h" +#include "jemalloc/internal/huge.h" + +#ifndef JEMALLOC_ENABLE_INLINE +malloc_tsd_protos(JEMALLOC_ATTR(unused), arenas, arena_t *) + +size_t s2u(size_t size); +size_t sa2u(size_t size, size_t alignment); +unsigned narenas_total_get(void); +arena_t *choose_arena(arena_t *arena); +#endif + +#if (defined(JEMALLOC_ENABLE_INLINE) || defined(JEMALLOC_C_)) +/* + * Map of pthread_self() --> arenas[???], used for selecting an arena to use + * for allocations. + */ +malloc_tsd_externs(arenas, arena_t *) +malloc_tsd_funcs(JEMALLOC_INLINE, arenas, arena_t *, NULL, arenas_cleanup) + +/* + * Compute usable size that would result from allocating an object with the + * specified size. + */ +JEMALLOC_INLINE size_t +s2u(size_t size) +{ + + if (size <= SMALL_MAXCLASS) + return (arena_bin_info[SMALL_SIZE2BIN(size)].reg_size); + if (size <= arena_maxclass) + return (PAGE_CEILING(size)); + return (CHUNK_CEILING(size)); +} + +/* + * Compute usable size that would result from allocating an object with the + * specified size and alignment. + */ +JEMALLOC_INLINE size_t +sa2u(size_t size, size_t alignment) +{ + size_t usize; + + assert(alignment != 0 && ((alignment - 1) & alignment) == 0); + + /* + * Round size up to the nearest multiple of alignment. + * + * This done, we can take advantage of the fact that for each small + * size class, every object is aligned at the smallest power of two + * that is non-zero in the base two representation of the size. For + * example: + * + * Size | Base 2 | Minimum alignment + * -----+----------+------------------ + * 96 | 1100000 | 32 + * 144 | 10100000 | 32 + * 192 | 11000000 | 64 + */ + usize = ALIGNMENT_CEILING(size, alignment); + /* + * (usize < size) protects against the combination of maximal + * alignment and size greater than maximal alignment. + */ + if (usize < size) { + /* size_t overflow. */ + return (0); + } + + if (usize <= arena_maxclass && alignment <= PAGE) { + if (usize <= SMALL_MAXCLASS) + return (arena_bin_info[SMALL_SIZE2BIN(usize)].reg_size); + return (PAGE_CEILING(usize)); + } else { + size_t run_size; + + /* + * We can't achieve subpage alignment, so round up alignment + * permanently; it makes later calculations simpler. + */ + alignment = PAGE_CEILING(alignment); + usize = PAGE_CEILING(size); + /* + * (usize < size) protects against very large sizes within + * PAGE of SIZE_T_MAX. + * + * (usize + alignment < usize) protects against the + * combination of maximal alignment and usize large enough + * to cause overflow. This is similar to the first overflow + * check above, but it needs to be repeated due to the new + * usize value, which may now be *equal* to maximal + * alignment, whereas before we only detected overflow if the + * original size was *greater* than maximal alignment. + */ + if (usize < size || usize + alignment < usize) { + /* size_t overflow. */ + return (0); + } + + /* + * Calculate the size of the over-size run that arena_palloc() + * would need to allocate in order to guarantee the alignment. + * If the run wouldn't fit within a chunk, round up to a huge + * allocation size. + */ + run_size = usize + alignment - PAGE; + if (run_size <= arena_maxclass) + return (PAGE_CEILING(usize)); + return (CHUNK_CEILING(usize)); + } +} + +JEMALLOC_INLINE unsigned +narenas_total_get(void) +{ + unsigned narenas; + + malloc_mutex_lock(&arenas_lock); + narenas = narenas_total; + malloc_mutex_unlock(&arenas_lock); + + return (narenas); +} + +/* Choose an arena based on a per-thread value. */ +JEMALLOC_INLINE arena_t * +choose_arena(arena_t *arena) +{ + arena_t *ret; + + if (arena != NULL) + return (arena); + + if ((ret = *arenas_tsd_get()) == NULL) { + ret = choose_arena_hard(); + assert(ret != NULL); + } + + return (ret); +} +#endif + +#include "jemalloc/internal/bitmap.h" +#include "jemalloc/internal/rtree.h" +/* + * Include arena.h twice in order to resolve circular dependencies with + * tcache.h. + */ +#define JEMALLOC_ARENA_INLINE_A +#include "jemalloc/internal/arena.h" +#undef JEMALLOC_ARENA_INLINE_A +#include "jemalloc/internal/tcache.h" +#define JEMALLOC_ARENA_INLINE_B +#include "jemalloc/internal/arena.h" +#undef JEMALLOC_ARENA_INLINE_B +#include "jemalloc/internal/hash.h" +#include "jemalloc/internal/quarantine.h" + +#ifndef JEMALLOC_ENABLE_INLINE +void *imallocx(size_t size, bool try_tcache, arena_t *arena); +void *imalloc(size_t size); +void *icallocx(size_t size, bool try_tcache, arena_t *arena); +void *icalloc(size_t size); +void *ipallocx(size_t usize, size_t alignment, bool zero, bool try_tcache, + arena_t *arena); +void *ipalloc(size_t usize, size_t alignment, bool zero); +size_t isalloc(const void *ptr, bool demote); +size_t ivsalloc(const void *ptr, bool demote); +size_t u2rz(size_t usize); +size_t p2rz(const void *ptr); +void idallocx(void *ptr, bool try_tcache); +void idalloc(void *ptr); +void iqallocx(void *ptr, bool try_tcache); +void iqalloc(void *ptr); +void *irallocx(void *ptr, size_t size, size_t extra, size_t alignment, + bool zero, bool no_move, bool try_tcache_alloc, bool try_tcache_dalloc, + arena_t *arena); +void *iralloc(void *ptr, size_t size, size_t extra, size_t alignment, + bool zero, bool no_move); +malloc_tsd_protos(JEMALLOC_ATTR(unused), thread_allocated, thread_allocated_t) +#endif + +#if (defined(JEMALLOC_ENABLE_INLINE) || defined(JEMALLOC_C_)) +JEMALLOC_INLINE void * +imallocx(size_t size, bool try_tcache, arena_t *arena) +{ + + assert(size != 0); + + if (size <= arena_maxclass) + return (arena_malloc(arena, size, false, try_tcache)); + else + return (huge_malloc(size, false)); +} + +JEMALLOC_INLINE void * +imalloc(size_t size) +{ + + return (imallocx(size, true, NULL)); +} + +JEMALLOC_INLINE void * +icallocx(size_t size, bool try_tcache, arena_t *arena) +{ + + if (size <= arena_maxclass) + return (arena_malloc(arena, size, true, try_tcache)); + else + return (huge_malloc(size, true)); +} + +JEMALLOC_INLINE void * +icalloc(size_t size) +{ + + return (icallocx(size, true, NULL)); +} + +JEMALLOC_INLINE void * +ipallocx(size_t usize, size_t alignment, bool zero, bool try_tcache, + arena_t *arena) +{ + void *ret; + + assert(usize != 0); + assert(usize == sa2u(usize, alignment)); + + if (usize <= arena_maxclass && alignment <= PAGE) + ret = arena_malloc(arena, usize, zero, try_tcache); + else { + if (usize <= arena_maxclass) { + ret = arena_palloc(choose_arena(arena), usize, + alignment, zero); + } else if (alignment <= chunksize) + ret = huge_malloc(usize, zero); + else + ret = huge_palloc(usize, alignment, zero); + } + + assert(ALIGNMENT_ADDR2BASE(ret, alignment) == ret); + return (ret); +} + +JEMALLOC_INLINE void * +ipalloc(size_t usize, size_t alignment, bool zero) +{ + + return (ipallocx(usize, alignment, zero, true, NULL)); +} + +/* + * Typical usage: + * void *ptr = [...] + * size_t sz = isalloc(ptr, config_prof); + */ +JEMALLOC_INLINE size_t +isalloc(const void *ptr, bool demote) +{ + size_t ret; + arena_chunk_t *chunk; + + assert(ptr != NULL); + /* Demotion only makes sense if config_prof is true. */ + assert(config_prof || demote == false); + + chunk = (arena_chunk_t *)CHUNK_ADDR2BASE(ptr); + if (chunk != ptr) + ret = arena_salloc(ptr, demote); + else + ret = huge_salloc(ptr); + + return (ret); +} + +JEMALLOC_INLINE size_t +ivsalloc(const void *ptr, bool demote) +{ + + /* Return 0 if ptr is not within a chunk managed by jemalloc. */ + if (rtree_get(chunks_rtree, (uintptr_t)CHUNK_ADDR2BASE(ptr)) == NULL) + return (0); + + return (isalloc(ptr, demote)); +} + +JEMALLOC_INLINE size_t +u2rz(size_t usize) +{ + size_t ret; + + if (usize <= SMALL_MAXCLASS) { + size_t binind = SMALL_SIZE2BIN(usize); + ret = arena_bin_info[binind].redzone_size; + } else + ret = 0; + + return (ret); +} + +JEMALLOC_INLINE size_t +p2rz(const void *ptr) +{ + size_t usize = isalloc(ptr, false); + + return (u2rz(usize)); +} + +JEMALLOC_INLINE void +idallocx(void *ptr, bool try_tcache) +{ + arena_chunk_t *chunk; + + assert(ptr != NULL); + + chunk = (arena_chunk_t *)CHUNK_ADDR2BASE(ptr); + if (chunk != ptr) + arena_dalloc(chunk->arena, chunk, ptr, try_tcache); + else + huge_dalloc(ptr, true); +} + +JEMALLOC_INLINE void +idalloc(void *ptr) +{ + + idallocx(ptr, true); +} + +JEMALLOC_INLINE void +iqallocx(void *ptr, bool try_tcache) +{ + + if (config_fill && opt_quarantine) + quarantine(ptr); + else + idallocx(ptr, try_tcache); +} + +JEMALLOC_INLINE void +iqalloc(void *ptr) +{ + + iqallocx(ptr, true); +} + +JEMALLOC_INLINE void * +irallocx(void *ptr, size_t size, size_t extra, size_t alignment, bool zero, + bool no_move, bool try_tcache_alloc, bool try_tcache_dalloc, arena_t *arena) +{ + void *ret; + size_t oldsize; + + assert(ptr != NULL); + assert(size != 0); + + oldsize = isalloc(ptr, config_prof); + + if (alignment != 0 && ((uintptr_t)ptr & ((uintptr_t)alignment-1)) + != 0) { + size_t usize, copysize; + + /* + * Existing object alignment is inadequate; allocate new space + * and copy. + */ + if (no_move) + return (NULL); + usize = sa2u(size + extra, alignment); + if (usize == 0) + return (NULL); + ret = ipallocx(usize, alignment, zero, try_tcache_alloc, arena); + if (ret == NULL) { + if (extra == 0) + return (NULL); + /* Try again, without extra this time. */ + usize = sa2u(size, alignment); + if (usize == 0) + return (NULL); + ret = ipallocx(usize, alignment, zero, try_tcache_alloc, + arena); + if (ret == NULL) + return (NULL); + } + /* + * Copy at most size bytes (not size+extra), since the caller + * has no expectation that the extra bytes will be reliably + * preserved. + */ + copysize = (size < oldsize) ? size : oldsize; + memcpy(ret, ptr, copysize); + iqallocx(ptr, try_tcache_dalloc); + return (ret); + } + + if (no_move) { + if (size <= arena_maxclass) { + return (arena_ralloc_no_move(ptr, oldsize, size, + extra, zero)); + } else { + return (huge_ralloc_no_move(ptr, oldsize, size, + extra)); + } + } else { + if (size + extra <= arena_maxclass) { + return (arena_ralloc(arena, ptr, oldsize, size, extra, + alignment, zero, try_tcache_alloc, + try_tcache_dalloc)); + } else { + return (huge_ralloc(ptr, oldsize, size, extra, + alignment, zero, try_tcache_dalloc)); + } + } +} + +JEMALLOC_INLINE void * +iralloc(void *ptr, size_t size, size_t extra, size_t alignment, bool zero, + bool no_move) +{ + + return (irallocx(ptr, size, extra, alignment, zero, no_move, true, true, + NULL)); +} + +malloc_tsd_externs(thread_allocated, thread_allocated_t) +malloc_tsd_funcs(JEMALLOC_INLINE, thread_allocated, thread_allocated_t, + THREAD_ALLOCATED_INITIALIZER, malloc_tsd_no_cleanup) +#endif + +#include "jemalloc/internal/prof.h" + +#undef JEMALLOC_H_INLINES +/******************************************************************************/ +#endif /* JEMALLOC_INTERNAL_H */ diff --git a/deps/jemalloc/include/jemalloc/internal/mb.h b/deps/jemalloc/include/jemalloc/internal/mb.h new file mode 100644 index 0000000..3cfa787 --- /dev/null +++ b/deps/jemalloc/include/jemalloc/internal/mb.h @@ -0,0 +1,115 @@ +/******************************************************************************/ +#ifdef JEMALLOC_H_TYPES + +#endif /* JEMALLOC_H_TYPES */ +/******************************************************************************/ +#ifdef JEMALLOC_H_STRUCTS + +#endif /* JEMALLOC_H_STRUCTS */ +/******************************************************************************/ +#ifdef JEMALLOC_H_EXTERNS + +#endif /* JEMALLOC_H_EXTERNS */ +/******************************************************************************/ +#ifdef JEMALLOC_H_INLINES + +#ifndef JEMALLOC_ENABLE_INLINE +void mb_write(void); +#endif + +#if (defined(JEMALLOC_ENABLE_INLINE) || defined(JEMALLOC_MB_C_)) +#ifdef __i386__ +/* + * According to the Intel Architecture Software Developer's Manual, current + * processors execute instructions in order from the perspective of other + * processors in a multiprocessor system, but 1) Intel reserves the right to + * change that, and 2) the compiler's optimizer could re-order instructions if + * there weren't some form of barrier. Therefore, even if running on an + * architecture that does not need memory barriers (everything through at least + * i686), an "optimizer barrier" is necessary. + */ +JEMALLOC_INLINE void +mb_write(void) +{ + +# if 0 + /* This is a true memory barrier. */ + asm volatile ("pusha;" + "xor %%eax,%%eax;" + "cpuid;" + "popa;" + : /* Outputs. */ + : /* Inputs. */ + : "memory" /* Clobbers. */ + ); +#else + /* + * This is hopefully enough to keep the compiler from reordering + * instructions around this one. + */ + asm volatile ("nop;" + : /* Outputs. */ + : /* Inputs. */ + : "memory" /* Clobbers. */ + ); +#endif +} +#elif (defined(__amd64__) || defined(__x86_64__)) +JEMALLOC_INLINE void +mb_write(void) +{ + + asm volatile ("sfence" + : /* Outputs. */ + : /* Inputs. */ + : "memory" /* Clobbers. */ + ); +} +#elif defined(__powerpc__) +JEMALLOC_INLINE void +mb_write(void) +{ + + asm volatile ("eieio" + : /* Outputs. */ + : /* Inputs. */ + : "memory" /* Clobbers. */ + ); +} +#elif defined(__sparc64__) +JEMALLOC_INLINE void +mb_write(void) +{ + + asm volatile ("membar #StoreStore" + : /* Outputs. */ + : /* Inputs. */ + : "memory" /* Clobbers. */ + ); +} +#elif defined(__tile__) +JEMALLOC_INLINE void +mb_write(void) +{ + + __sync_synchronize(); +} +#else +/* + * This is much slower than a simple memory barrier, but the semantics of mutex + * unlock make this work. + */ +JEMALLOC_INLINE void +mb_write(void) +{ + malloc_mutex_t mtx; + + malloc_mutex_init(&mtx); + malloc_mutex_lock(&mtx); + malloc_mutex_unlock(&mtx); +} +#endif +#endif + +#endif /* JEMALLOC_H_INLINES */ +/******************************************************************************/ diff --git a/deps/jemalloc/include/jemalloc/internal/mutex.h b/deps/jemalloc/include/jemalloc/internal/mutex.h new file mode 100644 index 0000000..de44e14 --- /dev/null +++ b/deps/jemalloc/include/jemalloc/internal/mutex.h @@ -0,0 +1,99 @@ +/******************************************************************************/ +#ifdef JEMALLOC_H_TYPES + +typedef struct malloc_mutex_s malloc_mutex_t; + +#ifdef _WIN32 +# define MALLOC_MUTEX_INITIALIZER +#elif (defined(JEMALLOC_OSSPIN)) +# define MALLOC_MUTEX_INITIALIZER {0} +#elif (defined(JEMALLOC_MUTEX_INIT_CB)) +# define MALLOC_MUTEX_INITIALIZER {PTHREAD_MUTEX_INITIALIZER, NULL} +#else +# if (defined(PTHREAD_MUTEX_ADAPTIVE_NP) && \ + defined(PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP)) +# define MALLOC_MUTEX_TYPE PTHREAD_MUTEX_ADAPTIVE_NP +# define MALLOC_MUTEX_INITIALIZER {PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP} +# else +# define MALLOC_MUTEX_TYPE PTHREAD_MUTEX_DEFAULT +# define MALLOC_MUTEX_INITIALIZER {PTHREAD_MUTEX_INITIALIZER} +# endif +#endif + +#endif /* JEMALLOC_H_TYPES */ +/******************************************************************************/ +#ifdef JEMALLOC_H_STRUCTS + +struct malloc_mutex_s { +#ifdef _WIN32 + CRITICAL_SECTION lock; +#elif (defined(JEMALLOC_OSSPIN)) + OSSpinLock lock; +#elif (defined(JEMALLOC_MUTEX_INIT_CB)) + pthread_mutex_t lock; + malloc_mutex_t *postponed_next; +#else + pthread_mutex_t lock; +#endif +}; + +#endif /* JEMALLOC_H_STRUCTS */ +/******************************************************************************/ +#ifdef JEMALLOC_H_EXTERNS + +#ifdef JEMALLOC_LAZY_LOCK +extern bool isthreaded; +#else +# undef isthreaded /* Undo private_namespace.h definition. */ +# define isthreaded true +#endif + +bool malloc_mutex_init(malloc_mutex_t *mutex); +void malloc_mutex_prefork(malloc_mutex_t *mutex); +void malloc_mutex_postfork_parent(malloc_mutex_t *mutex); +void malloc_mutex_postfork_child(malloc_mutex_t *mutex); +bool mutex_boot(void); + +#endif /* JEMALLOC_H_EXTERNS */ +/******************************************************************************/ +#ifdef JEMALLOC_H_INLINES + +#ifndef JEMALLOC_ENABLE_INLINE +void malloc_mutex_lock(malloc_mutex_t *mutex); +void malloc_mutex_unlock(malloc_mutex_t *mutex); +#endif + +#if (defined(JEMALLOC_ENABLE_INLINE) || defined(JEMALLOC_MUTEX_C_)) +JEMALLOC_INLINE void +malloc_mutex_lock(malloc_mutex_t *mutex) +{ + + if (isthreaded) { +#ifdef _WIN32 + EnterCriticalSection(&mutex->lock); +#elif (defined(JEMALLOC_OSSPIN)) + OSSpinLockLock(&mutex->lock); +#else + pthread_mutex_lock(&mutex->lock); +#endif + } +} + +JEMALLOC_INLINE void +malloc_mutex_unlock(malloc_mutex_t *mutex) +{ + + if (isthreaded) { +#ifdef _WIN32 + LeaveCriticalSection(&mutex->lock); +#elif (defined(JEMALLOC_OSSPIN)) + OSSpinLockUnlock(&mutex->lock); +#else + pthread_mutex_unlock(&mutex->lock); +#endif + } +} +#endif + +#endif /* JEMALLOC_H_INLINES */ +/******************************************************************************/ diff --git a/deps/jemalloc/include/jemalloc/internal/private_namespace.h b/deps/jemalloc/include/jemalloc/internal/private_namespace.h new file mode 100644 index 0000000..06241cd --- /dev/null +++ b/deps/jemalloc/include/jemalloc/internal/private_namespace.h @@ -0,0 +1,367 @@ +#define a0calloc JEMALLOC_N(a0calloc) +#define a0free JEMALLOC_N(a0free) +#define a0malloc JEMALLOC_N(a0malloc) +#define arena_alloc_junk_small JEMALLOC_N(arena_alloc_junk_small) +#define arena_bin_index JEMALLOC_N(arena_bin_index) +#define arena_bin_info JEMALLOC_N(arena_bin_info) +#define arena_boot JEMALLOC_N(arena_boot) +#define arena_dalloc JEMALLOC_N(arena_dalloc) +#define arena_dalloc_bin JEMALLOC_N(arena_dalloc_bin) +#define arena_dalloc_bin_locked JEMALLOC_N(arena_dalloc_bin_locked) +#define arena_dalloc_junk_small JEMALLOC_N(arena_dalloc_junk_small) +#define arena_dalloc_large JEMALLOC_N(arena_dalloc_large) +#define arena_dalloc_large_locked JEMALLOC_N(arena_dalloc_large_locked) +#define arena_dalloc_small JEMALLOC_N(arena_dalloc_small) +#define arena_dss_prec_get JEMALLOC_N(arena_dss_prec_get) +#define arena_dss_prec_set JEMALLOC_N(arena_dss_prec_set) +#define arena_malloc JEMALLOC_N(arena_malloc) +#define arena_malloc_large JEMALLOC_N(arena_malloc_large) +#define arena_malloc_small JEMALLOC_N(arena_malloc_small) +#define arena_mapbits_allocated_get JEMALLOC_N(arena_mapbits_allocated_get) +#define arena_mapbits_binind_get JEMALLOC_N(arena_mapbits_binind_get) +#define arena_mapbits_dirty_get JEMALLOC_N(arena_mapbits_dirty_get) +#define arena_mapbits_get JEMALLOC_N(arena_mapbits_get) +#define arena_mapbits_large_binind_set JEMALLOC_N(arena_mapbits_large_binind_set) +#define arena_mapbits_large_get JEMALLOC_N(arena_mapbits_large_get) +#define arena_mapbits_large_set JEMALLOC_N(arena_mapbits_large_set) +#define arena_mapbits_large_size_get JEMALLOC_N(arena_mapbits_large_size_get) +#define arena_mapbits_small_runind_get JEMALLOC_N(arena_mapbits_small_runind_get) +#define arena_mapbits_small_set JEMALLOC_N(arena_mapbits_small_set) +#define arena_mapbits_unallocated_set JEMALLOC_N(arena_mapbits_unallocated_set) +#define arena_mapbits_unallocated_size_get JEMALLOC_N(arena_mapbits_unallocated_size_get) +#define arena_mapbits_unallocated_size_set JEMALLOC_N(arena_mapbits_unallocated_size_set) +#define arena_mapbits_unzeroed_get JEMALLOC_N(arena_mapbits_unzeroed_get) +#define arena_mapbits_unzeroed_set JEMALLOC_N(arena_mapbits_unzeroed_set) +#define arena_mapbitsp_get JEMALLOC_N(arena_mapbitsp_get) +#define arena_mapp_get JEMALLOC_N(arena_mapp_get) +#define arena_maxclass JEMALLOC_N(arena_maxclass) +#define arena_new JEMALLOC_N(arena_new) +#define arena_palloc JEMALLOC_N(arena_palloc) +#define arena_postfork_child JEMALLOC_N(arena_postfork_child) +#define arena_postfork_parent JEMALLOC_N(arena_postfork_parent) +#define arena_prefork JEMALLOC_N(arena_prefork) +#define arena_prof_accum JEMALLOC_N(arena_prof_accum) +#define arena_prof_ctx_get JEMALLOC_N(arena_prof_ctx_get) +#define arena_prof_ctx_set JEMALLOC_N(arena_prof_ctx_set) +#define arena_prof_promoted JEMALLOC_N(arena_prof_promoted) +#define arena_ptr_small_binind_get JEMALLOC_N(arena_ptr_small_binind_get) +#define arena_purge_all JEMALLOC_N(arena_purge_all) +#define arena_ralloc JEMALLOC_N(arena_ralloc) +#define arena_ralloc_no_move JEMALLOC_N(arena_ralloc_no_move) +#define arena_run_regind JEMALLOC_N(arena_run_regind) +#define arena_salloc JEMALLOC_N(arena_salloc) +#define arena_stats_merge JEMALLOC_N(arena_stats_merge) +#define arena_tcache_fill_small JEMALLOC_N(arena_tcache_fill_small) +#define arenas JEMALLOC_N(arenas) +#define arenas_booted JEMALLOC_N(arenas_booted) +#define arenas_cleanup JEMALLOC_N(arenas_cleanup) +#define arenas_extend JEMALLOC_N(arenas_extend) +#define arenas_initialized JEMALLOC_N(arenas_initialized) +#define arenas_lock JEMALLOC_N(arenas_lock) +#define arenas_tls JEMALLOC_N(arenas_tls) +#define arenas_tsd JEMALLOC_N(arenas_tsd) +#define arenas_tsd_boot JEMALLOC_N(arenas_tsd_boot) +#define arenas_tsd_cleanup_wrapper JEMALLOC_N(arenas_tsd_cleanup_wrapper) +#define arenas_tsd_get JEMALLOC_N(arenas_tsd_get) +#define arenas_tsd_set JEMALLOC_N(arenas_tsd_set) +#define atomic_add_u JEMALLOC_N(atomic_add_u) +#define atomic_add_uint32 JEMALLOC_N(atomic_add_uint32) +#define atomic_add_uint64 JEMALLOC_N(atomic_add_uint64) +#define atomic_add_z JEMALLOC_N(atomic_add_z) +#define atomic_sub_u JEMALLOC_N(atomic_sub_u) +#define atomic_sub_uint32 JEMALLOC_N(atomic_sub_uint32) +#define atomic_sub_uint64 JEMALLOC_N(atomic_sub_uint64) +#define atomic_sub_z JEMALLOC_N(atomic_sub_z) +#define base_alloc JEMALLOC_N(base_alloc) +#define base_boot JEMALLOC_N(base_boot) +#define base_calloc JEMALLOC_N(base_calloc) +#define base_node_alloc JEMALLOC_N(base_node_alloc) +#define base_node_dealloc JEMALLOC_N(base_node_dealloc) +#define base_postfork_child JEMALLOC_N(base_postfork_child) +#define base_postfork_parent JEMALLOC_N(base_postfork_parent) +#define base_prefork JEMALLOC_N(base_prefork) +#define bitmap_full JEMALLOC_N(bitmap_full) +#define bitmap_get JEMALLOC_N(bitmap_get) +#define bitmap_info_init JEMALLOC_N(bitmap_info_init) +#define bitmap_info_ngroups JEMALLOC_N(bitmap_info_ngroups) +#define bitmap_init JEMALLOC_N(bitmap_init) +#define bitmap_set JEMALLOC_N(bitmap_set) +#define bitmap_sfu JEMALLOC_N(bitmap_sfu) +#define bitmap_size JEMALLOC_N(bitmap_size) +#define bitmap_unset JEMALLOC_N(bitmap_unset) +#define bt_init JEMALLOC_N(bt_init) +#define buferror JEMALLOC_N(buferror) +#define choose_arena JEMALLOC_N(choose_arena) +#define choose_arena_hard JEMALLOC_N(choose_arena_hard) +#define chunk_alloc JEMALLOC_N(chunk_alloc) +#define chunk_alloc_dss JEMALLOC_N(chunk_alloc_dss) +#define chunk_alloc_mmap JEMALLOC_N(chunk_alloc_mmap) +#define chunk_boot JEMALLOC_N(chunk_boot) +#define chunk_dealloc JEMALLOC_N(chunk_dealloc) +#define chunk_dealloc_mmap JEMALLOC_N(chunk_dealloc_mmap) +#define chunk_dss_boot JEMALLOC_N(chunk_dss_boot) +#define chunk_dss_postfork_child JEMALLOC_N(chunk_dss_postfork_child) +#define chunk_dss_postfork_parent JEMALLOC_N(chunk_dss_postfork_parent) +#define chunk_dss_prec_get JEMALLOC_N(chunk_dss_prec_get) +#define chunk_dss_prec_set JEMALLOC_N(chunk_dss_prec_set) +#define chunk_dss_prefork JEMALLOC_N(chunk_dss_prefork) +#define chunk_in_dss JEMALLOC_N(chunk_in_dss) +#define chunk_npages JEMALLOC_N(chunk_npages) +#define chunk_postfork_child JEMALLOC_N(chunk_postfork_child) +#define chunk_postfork_parent JEMALLOC_N(chunk_postfork_parent) +#define chunk_prefork JEMALLOC_N(chunk_prefork) +#define chunk_unmap JEMALLOC_N(chunk_unmap) +#define chunks_mtx JEMALLOC_N(chunks_mtx) +#define chunks_rtree JEMALLOC_N(chunks_rtree) +#define chunksize JEMALLOC_N(chunksize) +#define chunksize_mask JEMALLOC_N(chunksize_mask) +#define ckh_bucket_search JEMALLOC_N(ckh_bucket_search) +#define ckh_count JEMALLOC_N(ckh_count) +#define ckh_delete JEMALLOC_N(ckh_delete) +#define ckh_evict_reloc_insert JEMALLOC_N(ckh_evict_reloc_insert) +#define ckh_insert JEMALLOC_N(ckh_insert) +#define ckh_isearch JEMALLOC_N(ckh_isearch) +#define ckh_iter JEMALLOC_N(ckh_iter) +#define ckh_new JEMALLOC_N(ckh_new) +#define ckh_pointer_hash JEMALLOC_N(ckh_pointer_hash) +#define ckh_pointer_keycomp JEMALLOC_N(ckh_pointer_keycomp) +#define ckh_rebuild JEMALLOC_N(ckh_rebuild) +#define ckh_remove JEMALLOC_N(ckh_remove) +#define ckh_search JEMALLOC_N(ckh_search) +#define ckh_string_hash JEMALLOC_N(ckh_string_hash) +#define ckh_string_keycomp JEMALLOC_N(ckh_string_keycomp) +#define ckh_try_bucket_insert JEMALLOC_N(ckh_try_bucket_insert) +#define ckh_try_insert JEMALLOC_N(ckh_try_insert) +#define ctl_boot JEMALLOC_N(ctl_boot) +#define ctl_bymib JEMALLOC_N(ctl_bymib) +#define ctl_byname JEMALLOC_N(ctl_byname) +#define ctl_nametomib JEMALLOC_N(ctl_nametomib) +#define ctl_postfork_child JEMALLOC_N(ctl_postfork_child) +#define ctl_postfork_parent JEMALLOC_N(ctl_postfork_parent) +#define ctl_prefork JEMALLOC_N(ctl_prefork) +#define dss_prec_names JEMALLOC_N(dss_prec_names) +#define extent_tree_ad_first JEMALLOC_N(extent_tree_ad_first) +#define extent_tree_ad_insert JEMALLOC_N(extent_tree_ad_insert) +#define extent_tree_ad_iter JEMALLOC_N(extent_tree_ad_iter) +#define extent_tree_ad_iter_recurse JEMALLOC_N(extent_tree_ad_iter_recurse) +#define extent_tree_ad_iter_start JEMALLOC_N(extent_tree_ad_iter_start) +#define extent_tree_ad_last JEMALLOC_N(extent_tree_ad_last) +#define extent_tree_ad_new JEMALLOC_N(extent_tree_ad_new) +#define extent_tree_ad_next JEMALLOC_N(extent_tree_ad_next) +#define extent_tree_ad_nsearch JEMALLOC_N(extent_tree_ad_nsearch) +#define extent_tree_ad_prev JEMALLOC_N(extent_tree_ad_prev) +#define extent_tree_ad_psearch JEMALLOC_N(extent_tree_ad_psearch) +#define extent_tree_ad_remove JEMALLOC_N(extent_tree_ad_remove) +#define extent_tree_ad_reverse_iter JEMALLOC_N(extent_tree_ad_reverse_iter) +#define extent_tree_ad_reverse_iter_recurse JEMALLOC_N(extent_tree_ad_reverse_iter_recurse) +#define extent_tree_ad_reverse_iter_start JEMALLOC_N(extent_tree_ad_reverse_iter_start) +#define extent_tree_ad_search JEMALLOC_N(extent_tree_ad_search) +#define extent_tree_szad_first JEMALLOC_N(extent_tree_szad_first) +#define extent_tree_szad_insert JEMALLOC_N(extent_tree_szad_insert) +#define extent_tree_szad_iter JEMALLOC_N(extent_tree_szad_iter) +#define extent_tree_szad_iter_recurse JEMALLOC_N(extent_tree_szad_iter_recurse) +#define extent_tree_szad_iter_start JEMALLOC_N(extent_tree_szad_iter_start) +#define extent_tree_szad_last JEMALLOC_N(extent_tree_szad_last) +#define extent_tree_szad_new JEMALLOC_N(extent_tree_szad_new) +#define extent_tree_szad_next JEMALLOC_N(extent_tree_szad_next) +#define extent_tree_szad_nsearch JEMALLOC_N(extent_tree_szad_nsearch) +#define extent_tree_szad_prev JEMALLOC_N(extent_tree_szad_prev) +#define extent_tree_szad_psearch JEMALLOC_N(extent_tree_szad_psearch) +#define extent_tree_szad_remove JEMALLOC_N(extent_tree_szad_remove) +#define extent_tree_szad_reverse_iter JEMALLOC_N(extent_tree_szad_reverse_iter) +#define extent_tree_szad_reverse_iter_recurse JEMALLOC_N(extent_tree_szad_reverse_iter_recurse) +#define extent_tree_szad_reverse_iter_start JEMALLOC_N(extent_tree_szad_reverse_iter_start) +#define extent_tree_szad_search JEMALLOC_N(extent_tree_szad_search) +#define get_errno JEMALLOC_N(get_errno) +#define hash JEMALLOC_N(hash) +#define huge_allocated JEMALLOC_N(huge_allocated) +#define huge_boot JEMALLOC_N(huge_boot) +#define huge_dalloc JEMALLOC_N(huge_dalloc) +#define huge_malloc JEMALLOC_N(huge_malloc) +#define huge_mtx JEMALLOC_N(huge_mtx) +#define huge_ndalloc JEMALLOC_N(huge_ndalloc) +#define huge_nmalloc JEMALLOC_N(huge_nmalloc) +#define huge_palloc JEMALLOC_N(huge_palloc) +#define huge_postfork_child JEMALLOC_N(huge_postfork_child) +#define huge_postfork_parent JEMALLOC_N(huge_postfork_parent) +#define huge_prefork JEMALLOC_N(huge_prefork) +#define huge_prof_ctx_get JEMALLOC_N(huge_prof_ctx_get) +#define huge_prof_ctx_set JEMALLOC_N(huge_prof_ctx_set) +#define huge_ralloc JEMALLOC_N(huge_ralloc) +#define huge_ralloc_no_move JEMALLOC_N(huge_ralloc_no_move) +#define huge_salloc JEMALLOC_N(huge_salloc) +#define iallocm JEMALLOC_N(iallocm) +#define icalloc JEMALLOC_N(icalloc) +#define icallocx JEMALLOC_N(icallocx) +#define idalloc JEMALLOC_N(idalloc) +#define idallocx JEMALLOC_N(idallocx) +#define imalloc JEMALLOC_N(imalloc) +#define imallocx JEMALLOC_N(imallocx) +#define ipalloc JEMALLOC_N(ipalloc) +#define ipallocx JEMALLOC_N(ipallocx) +#define iqalloc JEMALLOC_N(iqalloc) +#define iqallocx JEMALLOC_N(iqallocx) +#define iralloc JEMALLOC_N(iralloc) +#define irallocx JEMALLOC_N(irallocx) +#define isalloc JEMALLOC_N(isalloc) +#define isthreaded JEMALLOC_N(isthreaded) +#define ivsalloc JEMALLOC_N(ivsalloc) +#define jemalloc_postfork_child JEMALLOC_N(jemalloc_postfork_child) +#define jemalloc_postfork_parent JEMALLOC_N(jemalloc_postfork_parent) +#define jemalloc_prefork JEMALLOC_N(jemalloc_prefork) +#define malloc_cprintf JEMALLOC_N(malloc_cprintf) +#define malloc_mutex_init JEMALLOC_N(malloc_mutex_init) +#define malloc_mutex_lock JEMALLOC_N(malloc_mutex_lock) +#define malloc_mutex_postfork_child JEMALLOC_N(malloc_mutex_postfork_child) +#define malloc_mutex_postfork_parent JEMALLOC_N(malloc_mutex_postfork_parent) +#define malloc_mutex_prefork JEMALLOC_N(malloc_mutex_prefork) +#define malloc_mutex_unlock JEMALLOC_N(malloc_mutex_unlock) +#define malloc_printf JEMALLOC_N(malloc_printf) +#define malloc_snprintf JEMALLOC_N(malloc_snprintf) +#define malloc_strtoumax JEMALLOC_N(malloc_strtoumax) +#define malloc_tsd_boot JEMALLOC_N(malloc_tsd_boot) +#define malloc_tsd_cleanup_register JEMALLOC_N(malloc_tsd_cleanup_register) +#define malloc_tsd_dalloc JEMALLOC_N(malloc_tsd_dalloc) +#define malloc_tsd_malloc JEMALLOC_N(malloc_tsd_malloc) +#define malloc_tsd_no_cleanup JEMALLOC_N(malloc_tsd_no_cleanup) +#define malloc_vcprintf JEMALLOC_N(malloc_vcprintf) +#define malloc_vsnprintf JEMALLOC_N(malloc_vsnprintf) +#define malloc_write JEMALLOC_N(malloc_write) +#define map_bias JEMALLOC_N(map_bias) +#define mb_write JEMALLOC_N(mb_write) +#define mutex_boot JEMALLOC_N(mutex_boot) +#define narenas_auto JEMALLOC_N(narenas_auto) +#define narenas_total JEMALLOC_N(narenas_total) +#define narenas_total_get JEMALLOC_N(narenas_total_get) +#define ncpus JEMALLOC_N(ncpus) +#define nhbins JEMALLOC_N(nhbins) +#define opt_abort JEMALLOC_N(opt_abort) +#define opt_junk JEMALLOC_N(opt_junk) +#define opt_lg_chunk JEMALLOC_N(opt_lg_chunk) +#define opt_lg_dirty_mult JEMALLOC_N(opt_lg_dirty_mult) +#define opt_lg_prof_interval JEMALLOC_N(opt_lg_prof_interval) +#define opt_lg_prof_sample JEMALLOC_N(opt_lg_prof_sample) +#define opt_lg_tcache_max JEMALLOC_N(opt_lg_tcache_max) +#define opt_narenas JEMALLOC_N(opt_narenas) +#define opt_prof JEMALLOC_N(opt_prof) +#define opt_prof_accum JEMALLOC_N(opt_prof_accum) +#define opt_prof_active JEMALLOC_N(opt_prof_active) +#define opt_prof_final JEMALLOC_N(opt_prof_final) +#define opt_prof_gdump JEMALLOC_N(opt_prof_gdump) +#define opt_prof_leak JEMALLOC_N(opt_prof_leak) +#define opt_prof_prefix JEMALLOC_N(opt_prof_prefix) +#define opt_quarantine JEMALLOC_N(opt_quarantine) +#define opt_redzone JEMALLOC_N(opt_redzone) +#define opt_stats_print JEMALLOC_N(opt_stats_print) +#define opt_tcache JEMALLOC_N(opt_tcache) +#define opt_utrace JEMALLOC_N(opt_utrace) +#define opt_valgrind JEMALLOC_N(opt_valgrind) +#define opt_xmalloc JEMALLOC_N(opt_xmalloc) +#define opt_zero JEMALLOC_N(opt_zero) +#define p2rz JEMALLOC_N(p2rz) +#define pages_purge JEMALLOC_N(pages_purge) +#define pow2_ceil JEMALLOC_N(pow2_ceil) +#define prof_backtrace JEMALLOC_N(prof_backtrace) +#define prof_boot0 JEMALLOC_N(prof_boot0) +#define prof_boot1 JEMALLOC_N(prof_boot1) +#define prof_boot2 JEMALLOC_N(prof_boot2) +#define prof_ctx_get JEMALLOC_N(prof_ctx_get) +#define prof_ctx_set JEMALLOC_N(prof_ctx_set) +#define prof_free JEMALLOC_N(prof_free) +#define prof_gdump JEMALLOC_N(prof_gdump) +#define prof_idump JEMALLOC_N(prof_idump) +#define prof_interval JEMALLOC_N(prof_interval) +#define prof_lookup JEMALLOC_N(prof_lookup) +#define prof_malloc JEMALLOC_N(prof_malloc) +#define prof_mdump JEMALLOC_N(prof_mdump) +#define prof_postfork_child JEMALLOC_N(prof_postfork_child) +#define prof_postfork_parent JEMALLOC_N(prof_postfork_parent) +#define prof_prefork JEMALLOC_N(prof_prefork) +#define prof_promote JEMALLOC_N(prof_promote) +#define prof_realloc JEMALLOC_N(prof_realloc) +#define prof_sample_accum_update JEMALLOC_N(prof_sample_accum_update) +#define prof_sample_threshold_update JEMALLOC_N(prof_sample_threshold_update) +#define prof_tdata_booted JEMALLOC_N(prof_tdata_booted) +#define prof_tdata_cleanup JEMALLOC_N(prof_tdata_cleanup) +#define prof_tdata_get JEMALLOC_N(prof_tdata_get) +#define prof_tdata_init JEMALLOC_N(prof_tdata_init) +#define prof_tdata_initialized JEMALLOC_N(prof_tdata_initialized) +#define prof_tdata_tls JEMALLOC_N(prof_tdata_tls) +#define prof_tdata_tsd JEMALLOC_N(prof_tdata_tsd) +#define prof_tdata_tsd_boot JEMALLOC_N(prof_tdata_tsd_boot) +#define prof_tdata_tsd_cleanup_wrapper JEMALLOC_N(prof_tdata_tsd_cleanup_wrapper) +#define prof_tdata_tsd_get JEMALLOC_N(prof_tdata_tsd_get) +#define prof_tdata_tsd_set JEMALLOC_N(prof_tdata_tsd_set) +#define quarantine JEMALLOC_N(quarantine) +#define quarantine_boot JEMALLOC_N(quarantine_boot) +#define quarantine_tsd_boot JEMALLOC_N(quarantine_tsd_boot) +#define quarantine_tsd_cleanup_wrapper JEMALLOC_N(quarantine_tsd_cleanup_wrapper) +#define quarantine_tsd_get JEMALLOC_N(quarantine_tsd_get) +#define quarantine_tsd_set JEMALLOC_N(quarantine_tsd_set) +#define register_zone JEMALLOC_N(register_zone) +#define rtree_get JEMALLOC_N(rtree_get) +#define rtree_get_locked JEMALLOC_N(rtree_get_locked) +#define rtree_new JEMALLOC_N(rtree_new) +#define rtree_postfork_child JEMALLOC_N(rtree_postfork_child) +#define rtree_postfork_parent JEMALLOC_N(rtree_postfork_parent) +#define rtree_prefork JEMALLOC_N(rtree_prefork) +#define rtree_set JEMALLOC_N(rtree_set) +#define s2u JEMALLOC_N(s2u) +#define sa2u JEMALLOC_N(sa2u) +#define set_errno JEMALLOC_N(set_errno) +#define stats_cactive JEMALLOC_N(stats_cactive) +#define stats_cactive_add JEMALLOC_N(stats_cactive_add) +#define stats_cactive_get JEMALLOC_N(stats_cactive_get) +#define stats_cactive_sub JEMALLOC_N(stats_cactive_sub) +#define stats_chunks JEMALLOC_N(stats_chunks) +#define stats_print JEMALLOC_N(stats_print) +#define tcache_alloc_easy JEMALLOC_N(tcache_alloc_easy) +#define tcache_alloc_large JEMALLOC_N(tcache_alloc_large) +#define tcache_alloc_small JEMALLOC_N(tcache_alloc_small) +#define tcache_alloc_small_hard JEMALLOC_N(tcache_alloc_small_hard) +#define tcache_arena_associate JEMALLOC_N(tcache_arena_associate) +#define tcache_arena_dissociate JEMALLOC_N(tcache_arena_dissociate) +#define tcache_bin_flush_large JEMALLOC_N(tcache_bin_flush_large) +#define tcache_bin_flush_small JEMALLOC_N(tcache_bin_flush_small) +#define tcache_bin_info JEMALLOC_N(tcache_bin_info) +#define tcache_boot0 JEMALLOC_N(tcache_boot0) +#define tcache_boot1 JEMALLOC_N(tcache_boot1) +#define tcache_booted JEMALLOC_N(tcache_booted) +#define tcache_create JEMALLOC_N(tcache_create) +#define tcache_dalloc_large JEMALLOC_N(tcache_dalloc_large) +#define tcache_dalloc_small JEMALLOC_N(tcache_dalloc_small) +#define tcache_destroy JEMALLOC_N(tcache_destroy) +#define tcache_enabled_booted JEMALLOC_N(tcache_enabled_booted) +#define tcache_enabled_get JEMALLOC_N(tcache_enabled_get) +#define tcache_enabled_initialized JEMALLOC_N(tcache_enabled_initialized) +#define tcache_enabled_set JEMALLOC_N(tcache_enabled_set) +#define tcache_enabled_tls JEMALLOC_N(tcache_enabled_tls) +#define tcache_enabled_tsd JEMALLOC_N(tcache_enabled_tsd) +#define tcache_enabled_tsd_boot JEMALLOC_N(tcache_enabled_tsd_boot) +#define tcache_enabled_tsd_cleanup_wrapper JEMALLOC_N(tcache_enabled_tsd_cleanup_wrapper) +#define tcache_enabled_tsd_get JEMALLOC_N(tcache_enabled_tsd_get) +#define tcache_enabled_tsd_set JEMALLOC_N(tcache_enabled_tsd_set) +#define tcache_event JEMALLOC_N(tcache_event) +#define tcache_event_hard JEMALLOC_N(tcache_event_hard) +#define tcache_flush JEMALLOC_N(tcache_flush) +#define tcache_get JEMALLOC_N(tcache_get) +#define tcache_initialized JEMALLOC_N(tcache_initialized) +#define tcache_maxclass JEMALLOC_N(tcache_maxclass) +#define tcache_salloc JEMALLOC_N(tcache_salloc) +#define tcache_stats_merge JEMALLOC_N(tcache_stats_merge) +#define tcache_thread_cleanup JEMALLOC_N(tcache_thread_cleanup) +#define tcache_tls JEMALLOC_N(tcache_tls) +#define tcache_tsd JEMALLOC_N(tcache_tsd) +#define tcache_tsd_boot JEMALLOC_N(tcache_tsd_boot) +#define tcache_tsd_cleanup_wrapper JEMALLOC_N(tcache_tsd_cleanup_wrapper) +#define tcache_tsd_get JEMALLOC_N(tcache_tsd_get) +#define tcache_tsd_set JEMALLOC_N(tcache_tsd_set) +#define thread_allocated_booted JEMALLOC_N(thread_allocated_booted) +#define thread_allocated_initialized JEMALLOC_N(thread_allocated_initialized) +#define thread_allocated_tls JEMALLOC_N(thread_allocated_tls) +#define thread_allocated_tsd JEMALLOC_N(thread_allocated_tsd) +#define thread_allocated_tsd_boot JEMALLOC_N(thread_allocated_tsd_boot) +#define thread_allocated_tsd_cleanup_wrapper JEMALLOC_N(thread_allocated_tsd_cleanup_wrapper) +#define thread_allocated_tsd_get JEMALLOC_N(thread_allocated_tsd_get) +#define thread_allocated_tsd_set JEMALLOC_N(thread_allocated_tsd_set) +#define u2rz JEMALLOC_N(u2rz) diff --git a/deps/jemalloc/include/jemalloc/internal/prng.h b/deps/jemalloc/include/jemalloc/internal/prng.h new file mode 100644 index 0000000..83a5462 --- /dev/null +++ b/deps/jemalloc/include/jemalloc/internal/prng.h @@ -0,0 +1,60 @@ +/******************************************************************************/ +#ifdef JEMALLOC_H_TYPES + +/* + * Simple linear congruential pseudo-random number generator: + * + * prng(y) = (a*x + c) % m + * + * where the following constants ensure maximal period: + * + * a == Odd number (relatively prime to 2^n), and (a-1) is a multiple of 4. + * c == Odd number (relatively prime to 2^n). + * m == 2^32 + * + * See Knuth's TAOCP 3rd Ed., Vol. 2, pg. 17 for details on these constraints. + * + * This choice of m has the disadvantage that the quality of the bits is + * proportional to bit position. For example. the lowest bit has a cycle of 2, + * the next has a cycle of 4, etc. For this reason, we prefer to use the upper + * bits. + * + * Macro parameters: + * uint32_t r : Result. + * unsigned lg_range : (0..32], number of least significant bits to return. + * uint32_t state : Seed value. + * const uint32_t a, c : See above discussion. + */ +#define prng32(r, lg_range, state, a, c) do { \ + assert(lg_range > 0); \ + assert(lg_range <= 32); \ + \ + r = (state * (a)) + (c); \ + state = r; \ + r >>= (32 - lg_range); \ +} while (false) + +/* Same as prng32(), but 64 bits of pseudo-randomness, using uint64_t. */ +#define prng64(r, lg_range, state, a, c) do { \ + assert(lg_range > 0); \ + assert(lg_range <= 64); \ + \ + r = (state * (a)) + (c); \ + state = r; \ + r >>= (64 - lg_range); \ +} while (false) + +#endif /* JEMALLOC_H_TYPES */ +/******************************************************************************/ +#ifdef JEMALLOC_H_STRUCTS + +#endif /* JEMALLOC_H_STRUCTS */ +/******************************************************************************/ +#ifdef JEMALLOC_H_EXTERNS + +#endif /* JEMALLOC_H_EXTERNS */ +/******************************************************************************/ +#ifdef JEMALLOC_H_INLINES + +#endif /* JEMALLOC_H_INLINES */ +/******************************************************************************/ diff --git a/deps/jemalloc/include/jemalloc/internal/prof.h b/deps/jemalloc/include/jemalloc/internal/prof.h new file mode 100644 index 0000000..47f22ad --- /dev/null +++ b/deps/jemalloc/include/jemalloc/internal/prof.h @@ -0,0 +1,581 @@ +/******************************************************************************/ +#ifdef JEMALLOC_H_TYPES + +typedef struct prof_bt_s prof_bt_t; +typedef struct prof_cnt_s prof_cnt_t; +typedef struct prof_thr_cnt_s prof_thr_cnt_t; +typedef struct prof_ctx_s prof_ctx_t; +typedef struct prof_tdata_s prof_tdata_t; + +/* Option defaults. */ +#define PROF_PREFIX_DEFAULT "jeprof" +#define LG_PROF_SAMPLE_DEFAULT 19 +#define LG_PROF_INTERVAL_DEFAULT -1 + +/* + * Hard limit on stack backtrace depth. The version of prof_backtrace() that + * is based on __builtin_return_address() necessarily has a hard-coded number + * of backtrace frame handlers, and should be kept in sync with this setting. + */ +#define PROF_BT_MAX 128 + +/* Maximum number of backtraces to store in each per thread LRU cache. */ +#define PROF_TCMAX 1024 + +/* Initial hash table size. */ +#define PROF_CKH_MINITEMS 64 + +/* Size of memory buffer to use when writing dump files. */ +#define PROF_DUMP_BUFSIZE 65536 + +/* Size of stack-allocated buffer used by prof_printf(). */ +#define PROF_PRINTF_BUFSIZE 128 + +/* + * Number of mutexes shared among all ctx's. No space is allocated for these + * unless profiling is enabled, so it's okay to over-provision. + */ +#define PROF_NCTX_LOCKS 1024 + +/* + * prof_tdata pointers close to NULL are used to encode state information that + * is used for cleaning up during thread shutdown. + */ +#define PROF_TDATA_STATE_REINCARNATED ((prof_tdata_t *)(uintptr_t)1) +#define PROF_TDATA_STATE_PURGATORY ((prof_tdata_t *)(uintptr_t)2) +#define PROF_TDATA_STATE_MAX PROF_TDATA_STATE_PURGATORY + +#endif /* JEMALLOC_H_TYPES */ +/******************************************************************************/ +#ifdef JEMALLOC_H_STRUCTS + +struct prof_bt_s { + /* Backtrace, stored as len program counters. */ + void **vec; + unsigned len; +}; + +#ifdef JEMALLOC_PROF_LIBGCC +/* Data structure passed to libgcc _Unwind_Backtrace() callback functions. */ +typedef struct { + prof_bt_t *bt; + unsigned nignore; + unsigned max; +} prof_unwind_data_t; +#endif + +struct prof_cnt_s { + /* + * Profiling counters. An allocation/deallocation pair can operate on + * different prof_thr_cnt_t objects that are linked into the same + * prof_ctx_t cnts_ql, so it is possible for the cur* counters to go + * negative. In principle it is possible for the *bytes counters to + * overflow/underflow, but a general solution would require something + * like 128-bit counters; this implementation doesn't bother to solve + * that problem. + */ + int64_t curobjs; + int64_t curbytes; + uint64_t accumobjs; + uint64_t accumbytes; +}; + +struct prof_thr_cnt_s { + /* Linkage into prof_ctx_t's cnts_ql. */ + ql_elm(prof_thr_cnt_t) cnts_link; + + /* Linkage into thread's LRU. */ + ql_elm(prof_thr_cnt_t) lru_link; + + /* + * Associated context. If a thread frees an object that it did not + * allocate, it is possible that the context is not cached in the + * thread's hash table, in which case it must be able to look up the + * context, insert a new prof_thr_cnt_t into the thread's hash table, + * and link it into the prof_ctx_t's cnts_ql. + */ + prof_ctx_t *ctx; + + /* + * Threads use memory barriers to update the counters. Since there is + * only ever one writer, the only challenge is for the reader to get a + * consistent read of the counters. + * + * The writer uses this series of operations: + * + * 1) Increment epoch to an odd number. + * 2) Update counters. + * 3) Increment epoch to an even number. + * + * The reader must assure 1) that the epoch is even while it reads the + * counters, and 2) that the epoch doesn't change between the time it + * starts and finishes reading the counters. + */ + unsigned epoch; + + /* Profiling counters. */ + prof_cnt_t cnts; +}; + +struct prof_ctx_s { + /* Associated backtrace. */ + prof_bt_t *bt; + + /* Protects nlimbo, cnt_merged, and cnts_ql. */ + malloc_mutex_t *lock; + + /* + * Number of threads that currently cause this ctx to be in a state of + * limbo due to one of: + * - Initializing per thread counters associated with this ctx. + * - Preparing to destroy this ctx. + * nlimbo must be 1 (single destroyer) in order to safely destroy the + * ctx. + */ + unsigned nlimbo; + + /* Temporary storage for summation during dump. */ + prof_cnt_t cnt_summed; + + /* When threads exit, they merge their stats into cnt_merged. */ + prof_cnt_t cnt_merged; + + /* + * List of profile counters, one for each thread that has allocated in + * this context. + */ + ql_head(prof_thr_cnt_t) cnts_ql; +}; + +struct prof_tdata_s { + /* + * Hash of (prof_bt_t *)-->(prof_thr_cnt_t *). Each thread keeps a + * cache of backtraces, with associated thread-specific prof_thr_cnt_t + * objects. Other threads may read the prof_thr_cnt_t contents, but no + * others will ever write them. + * + * Upon thread exit, the thread must merge all the prof_thr_cnt_t + * counter data into the associated prof_ctx_t objects, and unlink/free + * the prof_thr_cnt_t objects. + */ + ckh_t bt2cnt; + + /* LRU for contents of bt2cnt. */ + ql_head(prof_thr_cnt_t) lru_ql; + + /* Backtrace vector, used for calls to prof_backtrace(). */ + void **vec; + + /* Sampling state. */ + uint64_t prng_state; + uint64_t threshold; + uint64_t accum; + + /* State used to avoid dumping while operating on prof internals. */ + bool enq; + bool enq_idump; + bool enq_gdump; +}; + +#endif /* JEMALLOC_H_STRUCTS */ +/******************************************************************************/ +#ifdef JEMALLOC_H_EXTERNS + +extern bool opt_prof; +/* + * Even if opt_prof is true, sampling can be temporarily disabled by setting + * opt_prof_active to false. No locking is used when updating opt_prof_active, + * so there are no guarantees regarding how long it will take for all threads + * to notice state changes. + */ +extern bool opt_prof_active; +extern size_t opt_lg_prof_sample; /* Mean bytes between samples. */ +extern ssize_t opt_lg_prof_interval; /* lg(prof_interval). */ +extern bool opt_prof_gdump; /* High-water memory dumping. */ +extern bool opt_prof_final; /* Final profile dumping. */ +extern bool opt_prof_leak; /* Dump leak summary at exit. */ +extern bool opt_prof_accum; /* Report cumulative bytes. */ +extern char opt_prof_prefix[PATH_MAX + 1]; + +/* + * Profile dump interval, measured in bytes allocated. Each arena triggers a + * profile dump when it reaches this threshold. The effect is that the + * interval between profile dumps averages prof_interval, though the actual + * interval between dumps will tend to be sporadic, and the interval will be a + * maximum of approximately (prof_interval * narenas). + */ +extern uint64_t prof_interval; + +/* + * If true, promote small sampled objects to large objects, since small run + * headers do not have embedded profile context pointers. + */ +extern bool prof_promote; + +void bt_init(prof_bt_t *bt, void **vec); +void prof_backtrace(prof_bt_t *bt, unsigned nignore); +prof_thr_cnt_t *prof_lookup(prof_bt_t *bt); +void prof_idump(void); +bool prof_mdump(const char *filename); +void prof_gdump(void); +prof_tdata_t *prof_tdata_init(void); +void prof_tdata_cleanup(void *arg); +void prof_boot0(void); +void prof_boot1(void); +bool prof_boot2(void); +void prof_prefork(void); +void prof_postfork_parent(void); +void prof_postfork_child(void); + +#endif /* JEMALLOC_H_EXTERNS */ +/******************************************************************************/ +#ifdef JEMALLOC_H_INLINES + +#define PROF_ALLOC_PREP(nignore, size, ret) do { \ + prof_tdata_t *prof_tdata; \ + prof_bt_t bt; \ + \ + assert(size == s2u(size)); \ + \ + prof_tdata = prof_tdata_get(); \ + if ((uintptr_t)prof_tdata <= (uintptr_t)PROF_TDATA_STATE_MAX) { \ + if (prof_tdata != NULL) \ + ret = (prof_thr_cnt_t *)(uintptr_t)1U; \ + else \ + ret = NULL; \ + break; \ + } \ + \ + if (opt_prof_active == false) { \ + /* Sampling is currently inactive, so avoid sampling. */\ + ret = (prof_thr_cnt_t *)(uintptr_t)1U; \ + } else if (opt_lg_prof_sample == 0) { \ + /* Don't bother with sampling logic, since sampling */\ + /* interval is 1. */\ + bt_init(&bt, prof_tdata->vec); \ + prof_backtrace(&bt, nignore); \ + ret = prof_lookup(&bt); \ + } else { \ + if (prof_tdata->threshold == 0) { \ + /* Initialize. Seed the prng differently for */\ + /* each thread. */\ + prof_tdata->prng_state = \ + (uint64_t)(uintptr_t)&size; \ + prof_sample_threshold_update(prof_tdata); \ + } \ + \ + /* Determine whether to capture a backtrace based on */\ + /* whether size is enough for prof_accum to reach */\ + /* prof_tdata->threshold. However, delay updating */\ + /* these variables until prof_{m,re}alloc(), because */\ + /* we don't know for sure that the allocation will */\ + /* succeed. */\ + /* */\ + /* Use subtraction rather than addition to avoid */\ + /* potential integer overflow. */\ + if (size >= prof_tdata->threshold - \ + prof_tdata->accum) { \ + bt_init(&bt, prof_tdata->vec); \ + prof_backtrace(&bt, nignore); \ + ret = prof_lookup(&bt); \ + } else \ + ret = (prof_thr_cnt_t *)(uintptr_t)1U; \ + } \ +} while (0) + +#ifndef JEMALLOC_ENABLE_INLINE +malloc_tsd_protos(JEMALLOC_ATTR(unused), prof_tdata, prof_tdata_t *) + +prof_tdata_t *prof_tdata_get(void); +void prof_sample_threshold_update(prof_tdata_t *prof_tdata); +prof_ctx_t *prof_ctx_get(const void *ptr); +void prof_ctx_set(const void *ptr, prof_ctx_t *ctx); +bool prof_sample_accum_update(size_t size); +void prof_malloc(const void *ptr, size_t size, prof_thr_cnt_t *cnt); +void prof_realloc(const void *ptr, size_t size, prof_thr_cnt_t *cnt, + size_t old_size, prof_ctx_t *old_ctx); +void prof_free(const void *ptr, size_t size); +#endif + +#if (defined(JEMALLOC_ENABLE_INLINE) || defined(JEMALLOC_PROF_C_)) +/* Thread-specific backtrace cache, used to reduce bt2ctx contention. */ +malloc_tsd_externs(prof_tdata, prof_tdata_t *) +malloc_tsd_funcs(JEMALLOC_INLINE, prof_tdata, prof_tdata_t *, NULL, + prof_tdata_cleanup) + +JEMALLOC_INLINE prof_tdata_t * +prof_tdata_get(void) +{ + prof_tdata_t *prof_tdata; + + cassert(config_prof); + + prof_tdata = *prof_tdata_tsd_get(); + if ((uintptr_t)prof_tdata <= (uintptr_t)PROF_TDATA_STATE_MAX) { + if (prof_tdata == NULL) + prof_tdata = prof_tdata_init(); + } + + return (prof_tdata); +} + +JEMALLOC_INLINE void +prof_sample_threshold_update(prof_tdata_t *prof_tdata) +{ + uint64_t r; + double u; + + cassert(config_prof); + + /* + * Compute sample threshold as a geometrically distributed random + * variable with mean (2^opt_lg_prof_sample). + * + * __ __ + * | log(u) | 1 + * prof_tdata->threshold = | -------- |, where p = ------------------- + * | log(1-p) | opt_lg_prof_sample + * 2 + * + * For more information on the math, see: + * + * Non-Uniform Random Variate Generation + * Luc Devroye + * Springer-Verlag, New York, 1986 + * pp 500 + * (http://cg.scs.carleton.ca/~luc/rnbookindex.html) + */ + prng64(r, 53, prof_tdata->prng_state, + UINT64_C(6364136223846793005), UINT64_C(1442695040888963407)); + u = (double)r * (1.0/9007199254740992.0L); + prof_tdata->threshold = (uint64_t)(log(u) / + log(1.0 - (1.0 / (double)((uint64_t)1U << opt_lg_prof_sample)))) + + (uint64_t)1U; +} + +JEMALLOC_INLINE prof_ctx_t * +prof_ctx_get(const void *ptr) +{ + prof_ctx_t *ret; + arena_chunk_t *chunk; + + cassert(config_prof); + assert(ptr != NULL); + + chunk = (arena_chunk_t *)CHUNK_ADDR2BASE(ptr); + if (chunk != ptr) { + /* Region. */ + ret = arena_prof_ctx_get(ptr); + } else + ret = huge_prof_ctx_get(ptr); + + return (ret); +} + +JEMALLOC_INLINE void +prof_ctx_set(const void *ptr, prof_ctx_t *ctx) +{ + arena_chunk_t *chunk; + + cassert(config_prof); + assert(ptr != NULL); + + chunk = (arena_chunk_t *)CHUNK_ADDR2BASE(ptr); + if (chunk != ptr) { + /* Region. */ + arena_prof_ctx_set(ptr, ctx); + } else + huge_prof_ctx_set(ptr, ctx); +} + +JEMALLOC_INLINE bool +prof_sample_accum_update(size_t size) +{ + prof_tdata_t *prof_tdata; + + cassert(config_prof); + /* Sampling logic is unnecessary if the interval is 1. */ + assert(opt_lg_prof_sample != 0); + + prof_tdata = *prof_tdata_tsd_get(); + if ((uintptr_t)prof_tdata <= (uintptr_t)PROF_TDATA_STATE_MAX) + return (true); + + /* Take care to avoid integer overflow. */ + if (size >= prof_tdata->threshold - prof_tdata->accum) { + prof_tdata->accum -= (prof_tdata->threshold - size); + /* Compute new sample threshold. */ + prof_sample_threshold_update(prof_tdata); + while (prof_tdata->accum >= prof_tdata->threshold) { + prof_tdata->accum -= prof_tdata->threshold; + prof_sample_threshold_update(prof_tdata); + } + return (false); + } else { + prof_tdata->accum += size; + return (true); + } +} + +JEMALLOC_INLINE void +prof_malloc(const void *ptr, size_t size, prof_thr_cnt_t *cnt) +{ + + cassert(config_prof); + assert(ptr != NULL); + assert(size == isalloc(ptr, true)); + + if (opt_lg_prof_sample != 0) { + if (prof_sample_accum_update(size)) { + /* + * Don't sample. For malloc()-like allocation, it is + * always possible to tell in advance how large an + * object's usable size will be, so there should never + * be a difference between the size passed to + * PROF_ALLOC_PREP() and prof_malloc(). + */ + assert((uintptr_t)cnt == (uintptr_t)1U); + } + } + + if ((uintptr_t)cnt > (uintptr_t)1U) { + prof_ctx_set(ptr, cnt->ctx); + + cnt->epoch++; + /*********/ + mb_write(); + /*********/ + cnt->cnts.curobjs++; + cnt->cnts.curbytes += size; + if (opt_prof_accum) { + cnt->cnts.accumobjs++; + cnt->cnts.accumbytes += size; + } + /*********/ + mb_write(); + /*********/ + cnt->epoch++; + /*********/ + mb_write(); + /*********/ + } else + prof_ctx_set(ptr, (prof_ctx_t *)(uintptr_t)1U); +} + +JEMALLOC_INLINE void +prof_realloc(const void *ptr, size_t size, prof_thr_cnt_t *cnt, + size_t old_size, prof_ctx_t *old_ctx) +{ + prof_thr_cnt_t *told_cnt; + + cassert(config_prof); + assert(ptr != NULL || (uintptr_t)cnt <= (uintptr_t)1U); + + if (ptr != NULL) { + assert(size == isalloc(ptr, true)); + if (opt_lg_prof_sample != 0) { + if (prof_sample_accum_update(size)) { + /* + * Don't sample. The size passed to + * PROF_ALLOC_PREP() was larger than what + * actually got allocated, so a backtrace was + * captured for this allocation, even though + * its actual size was insufficient to cross + * the sample threshold. + */ + cnt = (prof_thr_cnt_t *)(uintptr_t)1U; + } + } + } + + if ((uintptr_t)old_ctx > (uintptr_t)1U) { + told_cnt = prof_lookup(old_ctx->bt); + if (told_cnt == NULL) { + /* + * It's too late to propagate OOM for this realloc(), + * so operate directly on old_cnt->ctx->cnt_merged. + */ + malloc_mutex_lock(old_ctx->lock); + old_ctx->cnt_merged.curobjs--; + old_ctx->cnt_merged.curbytes -= old_size; + malloc_mutex_unlock(old_ctx->lock); + told_cnt = (prof_thr_cnt_t *)(uintptr_t)1U; + } + } else + told_cnt = (prof_thr_cnt_t *)(uintptr_t)1U; + + if ((uintptr_t)told_cnt > (uintptr_t)1U) + told_cnt->epoch++; + if ((uintptr_t)cnt > (uintptr_t)1U) { + prof_ctx_set(ptr, cnt->ctx); + cnt->epoch++; + } else if (ptr != NULL) + prof_ctx_set(ptr, (prof_ctx_t *)(uintptr_t)1U); + /*********/ + mb_write(); + /*********/ + if ((uintptr_t)told_cnt > (uintptr_t)1U) { + told_cnt->cnts.curobjs--; + told_cnt->cnts.curbytes -= old_size; + } + if ((uintptr_t)cnt > (uintptr_t)1U) { + cnt->cnts.curobjs++; + cnt->cnts.curbytes += size; + if (opt_prof_accum) { + cnt->cnts.accumobjs++; + cnt->cnts.accumbytes += size; + } + } + /*********/ + mb_write(); + /*********/ + if ((uintptr_t)told_cnt > (uintptr_t)1U) + told_cnt->epoch++; + if ((uintptr_t)cnt > (uintptr_t)1U) + cnt->epoch++; + /*********/ + mb_write(); /* Not strictly necessary. */ +} + +JEMALLOC_INLINE void +prof_free(const void *ptr, size_t size) +{ + prof_ctx_t *ctx = prof_ctx_get(ptr); + + cassert(config_prof); + + if ((uintptr_t)ctx > (uintptr_t)1) { + prof_thr_cnt_t *tcnt; + assert(size == isalloc(ptr, true)); + tcnt = prof_lookup(ctx->bt); + + if (tcnt != NULL) { + tcnt->epoch++; + /*********/ + mb_write(); + /*********/ + tcnt->cnts.curobjs--; + tcnt->cnts.curbytes -= size; + /*********/ + mb_write(); + /*********/ + tcnt->epoch++; + /*********/ + mb_write(); + /*********/ + } else { + /* + * OOM during free() cannot be propagated, so operate + * directly on cnt->ctx->cnt_merged. + */ + malloc_mutex_lock(ctx->lock); + ctx->cnt_merged.curobjs--; + ctx->cnt_merged.curbytes -= size; + malloc_mutex_unlock(ctx->lock); + } + } +} +#endif + +#endif /* JEMALLOC_H_INLINES */ +/******************************************************************************/ diff --git a/deps/jemalloc/include/jemalloc/internal/ql.h b/deps/jemalloc/include/jemalloc/internal/ql.h new file mode 100644 index 0000000..a9ed239 --- /dev/null +++ b/deps/jemalloc/include/jemalloc/internal/ql.h @@ -0,0 +1,83 @@ +/* + * List definitions. + */ +#define ql_head(a_type) \ +struct { \ + a_type *qlh_first; \ +} + +#define ql_head_initializer(a_head) {NULL} + +#define ql_elm(a_type) qr(a_type) + +/* List functions. */ +#define ql_new(a_head) do { \ + (a_head)->qlh_first = NULL; \ +} while (0) + +#define ql_elm_new(a_elm, a_field) qr_new((a_elm), a_field) + +#define ql_first(a_head) ((a_head)->qlh_first) + +#define ql_last(a_head, a_field) \ + ((ql_first(a_head) != NULL) \ + ? qr_prev(ql_first(a_head), a_field) : NULL) + +#define ql_next(a_head, a_elm, a_field) \ + ((ql_last(a_head, a_field) != (a_elm)) \ + ? qr_next((a_elm), a_field) : NULL) + +#define ql_prev(a_head, a_elm, a_field) \ + ((ql_first(a_head) != (a_elm)) ? qr_prev((a_elm), a_field) \ + : NULL) + +#define ql_before_insert(a_head, a_qlelm, a_elm, a_field) do { \ + qr_before_insert((a_qlelm), (a_elm), a_field); \ + if (ql_first(a_head) == (a_qlelm)) { \ + ql_first(a_head) = (a_elm); \ + } \ +} while (0) + +#define ql_after_insert(a_qlelm, a_elm, a_field) \ + qr_after_insert((a_qlelm), (a_elm), a_field) + +#define ql_head_insert(a_head, a_elm, a_field) do { \ + if (ql_first(a_head) != NULL) { \ + qr_before_insert(ql_first(a_head), (a_elm), a_field); \ + } \ + ql_first(a_head) = (a_elm); \ +} while (0) + +#define ql_tail_insert(a_head, a_elm, a_field) do { \ + if (ql_first(a_head) != NULL) { \ + qr_before_insert(ql_first(a_head), (a_elm), a_field); \ + } \ + ql_first(a_head) = qr_next((a_elm), a_field); \ +} while (0) + +#define ql_remove(a_head, a_elm, a_field) do { \ + if (ql_first(a_head) == (a_elm)) { \ + ql_first(a_head) = qr_next(ql_first(a_head), a_field); \ + } \ + if (ql_first(a_head) != (a_elm)) { \ + qr_remove((a_elm), a_field); \ + } else { \ + ql_first(a_head) = NULL; \ + } \ +} while (0) + +#define ql_head_remove(a_head, a_type, a_field) do { \ + a_type *t = ql_first(a_head); \ + ql_remove((a_head), t, a_field); \ +} while (0) + +#define ql_tail_remove(a_head, a_type, a_field) do { \ + a_type *t = ql_last(a_head, a_field); \ + ql_remove((a_head), t, a_field); \ +} while (0) + +#define ql_foreach(a_var, a_head, a_field) \ + qr_foreach((a_var), ql_first(a_head), a_field) + +#define ql_reverse_foreach(a_var, a_head, a_field) \ + qr_reverse_foreach((a_var), ql_first(a_head), a_field) diff --git a/deps/jemalloc/include/jemalloc/internal/qr.h b/deps/jemalloc/include/jemalloc/internal/qr.h new file mode 100644 index 0000000..fe22352 --- /dev/null +++ b/deps/jemalloc/include/jemalloc/internal/qr.h @@ -0,0 +1,67 @@ +/* Ring definitions. */ +#define qr(a_type) \ +struct { \ + a_type *qre_next; \ + a_type *qre_prev; \ +} + +/* Ring functions. */ +#define qr_new(a_qr, a_field) do { \ + (a_qr)->a_field.qre_next = (a_qr); \ + (a_qr)->a_field.qre_prev = (a_qr); \ +} while (0) + +#define qr_next(a_qr, a_field) ((a_qr)->a_field.qre_next) + +#define qr_prev(a_qr, a_field) ((a_qr)->a_field.qre_prev) + +#define qr_before_insert(a_qrelm, a_qr, a_field) do { \ + (a_qr)->a_field.qre_prev = (a_qrelm)->a_field.qre_prev; \ + (a_qr)->a_field.qre_next = (a_qrelm); \ + (a_qr)->a_field.qre_prev->a_field.qre_next = (a_qr); \ + (a_qrelm)->a_field.qre_prev = (a_qr); \ +} while (0) + +#define qr_after_insert(a_qrelm, a_qr, a_field) \ + do \ + { \ + (a_qr)->a_field.qre_next = (a_qrelm)->a_field.qre_next; \ + (a_qr)->a_field.qre_prev = (a_qrelm); \ + (a_qr)->a_field.qre_next->a_field.qre_prev = (a_qr); \ + (a_qrelm)->a_field.qre_next = (a_qr); \ + } while (0) + +#define qr_meld(a_qr_a, a_qr_b, a_field) do { \ + void *t; \ + (a_qr_a)->a_field.qre_prev->a_field.qre_next = (a_qr_b); \ + (a_qr_b)->a_field.qre_prev->a_field.qre_next = (a_qr_a); \ + t = (a_qr_a)->a_field.qre_prev; \ + (a_qr_a)->a_field.qre_prev = (a_qr_b)->a_field.qre_prev; \ + (a_qr_b)->a_field.qre_prev = t; \ +} while (0) + +/* qr_meld() and qr_split() are functionally equivalent, so there's no need to + * have two copies of the code. */ +#define qr_split(a_qr_a, a_qr_b, a_field) \ + qr_meld((a_qr_a), (a_qr_b), a_field) + +#define qr_remove(a_qr, a_field) do { \ + (a_qr)->a_field.qre_prev->a_field.qre_next \ + = (a_qr)->a_field.qre_next; \ + (a_qr)->a_field.qre_next->a_field.qre_prev \ + = (a_qr)->a_field.qre_prev; \ + (a_qr)->a_field.qre_next = (a_qr); \ + (a_qr)->a_field.qre_prev = (a_qr); \ +} while (0) + +#define qr_foreach(var, a_qr, a_field) \ + for ((var) = (a_qr); \ + (var) != NULL; \ + (var) = (((var)->a_field.qre_next != (a_qr)) \ + ? (var)->a_field.qre_next : NULL)) + +#define qr_reverse_foreach(var, a_qr, a_field) \ + for ((var) = ((a_qr) != NULL) ? qr_prev(a_qr, a_field) : NULL; \ + (var) != NULL; \ + (var) = (((var) != (a_qr)) \ + ? (var)->a_field.qre_prev : NULL)) diff --git a/deps/jemalloc/include/jemalloc/internal/quarantine.h b/deps/jemalloc/include/jemalloc/internal/quarantine.h new file mode 100644 index 0000000..38f3d69 --- /dev/null +++ b/deps/jemalloc/include/jemalloc/internal/quarantine.h @@ -0,0 +1,24 @@ +/******************************************************************************/ +#ifdef JEMALLOC_H_TYPES + +/* Default per thread quarantine size if valgrind is enabled. */ +#define JEMALLOC_VALGRIND_QUARANTINE_DEFAULT (ZU(1) << 24) + +#endif /* JEMALLOC_H_TYPES */ +/******************************************************************************/ +#ifdef JEMALLOC_H_STRUCTS + +#endif /* JEMALLOC_H_STRUCTS */ +/******************************************************************************/ +#ifdef JEMALLOC_H_EXTERNS + +void quarantine(void *ptr); +bool quarantine_boot(void); + +#endif /* JEMALLOC_H_EXTERNS */ +/******************************************************************************/ +#ifdef JEMALLOC_H_INLINES + +#endif /* JEMALLOC_H_INLINES */ +/******************************************************************************/ + diff --git a/deps/jemalloc/include/jemalloc/internal/rb.h b/deps/jemalloc/include/jemalloc/internal/rb.h new file mode 100644 index 0000000..7b675f0 --- /dev/null +++ b/deps/jemalloc/include/jemalloc/internal/rb.h @@ -0,0 +1,973 @@ +/*- + ******************************************************************************* + * + * cpp macro implementation of left-leaning 2-3 red-black trees. Parent + * pointers are not used, and color bits are stored in the least significant + * bit of right-child pointers (if RB_COMPACT is defined), thus making node + * linkage as compact as is possible for red-black trees. + * + * Usage: + * + * #include + * #include + * #define NDEBUG // (Optional, see assert(3).) + * #include + * #define RB_COMPACT // (Optional, embed color bits in right-child pointers.) + * #include + * ... + * + ******************************************************************************* + */ + +#ifndef RB_H_ +#define RB_H_ + +#if 0 +__FBSDID("$FreeBSD: head/lib/libc/stdlib/rb.h 204493 2010-02-28 22:57:13Z jasone $"); +#endif + +#ifdef RB_COMPACT +/* Node structure. */ +#define rb_node(a_type) \ +struct { \ + a_type *rbn_left; \ + a_type *rbn_right_red; \ +} +#else +#define rb_node(a_type) \ +struct { \ + a_type *rbn_left; \ + a_type *rbn_right; \ + bool rbn_red; \ +} +#endif + +/* Root structure. */ +#define rb_tree(a_type) \ +struct { \ + a_type *rbt_root; \ + a_type rbt_nil; \ +} + +/* Left accessors. */ +#define rbtn_left_get(a_type, a_field, a_node) \ + ((a_node)->a_field.rbn_left) +#define rbtn_left_set(a_type, a_field, a_node, a_left) do { \ + (a_node)->a_field.rbn_left = a_left; \ +} while (0) + +#ifdef RB_COMPACT +/* Right accessors. */ +#define rbtn_right_get(a_type, a_field, a_node) \ + ((a_type *) (((intptr_t) (a_node)->a_field.rbn_right_red) \ + & ((ssize_t)-2))) +#define rbtn_right_set(a_type, a_field, a_node, a_right) do { \ + (a_node)->a_field.rbn_right_red = (a_type *) (((uintptr_t) a_right) \ + | (((uintptr_t) (a_node)->a_field.rbn_right_red) & ((size_t)1))); \ +} while (0) + +/* Color accessors. */ +#define rbtn_red_get(a_type, a_field, a_node) \ + ((bool) (((uintptr_t) (a_node)->a_field.rbn_right_red) \ + & ((size_t)1))) +#define rbtn_color_set(a_type, a_field, a_node, a_red) do { \ + (a_node)->a_field.rbn_right_red = (a_type *) ((((intptr_t) \ + (a_node)->a_field.rbn_right_red) & ((ssize_t)-2)) \ + | ((ssize_t)a_red)); \ +} while (0) +#define rbtn_red_set(a_type, a_field, a_node) do { \ + (a_node)->a_field.rbn_right_red = (a_type *) (((uintptr_t) \ + (a_node)->a_field.rbn_right_red) | ((size_t)1)); \ +} while (0) +#define rbtn_black_set(a_type, a_field, a_node) do { \ + (a_node)->a_field.rbn_right_red = (a_type *) (((intptr_t) \ + (a_node)->a_field.rbn_right_red) & ((ssize_t)-2)); \ +} while (0) +#else +/* Right accessors. */ +#define rbtn_right_get(a_type, a_field, a_node) \ + ((a_node)->a_field.rbn_right) +#define rbtn_right_set(a_type, a_field, a_node, a_right) do { \ + (a_node)->a_field.rbn_right = a_right; \ +} while (0) + +/* Color accessors. */ +#define rbtn_red_get(a_type, a_field, a_node) \ + ((a_node)->a_field.rbn_red) +#define rbtn_color_set(a_type, a_field, a_node, a_red) do { \ + (a_node)->a_field.rbn_red = (a_red); \ +} while (0) +#define rbtn_red_set(a_type, a_field, a_node) do { \ + (a_node)->a_field.rbn_red = true; \ +} while (0) +#define rbtn_black_set(a_type, a_field, a_node) do { \ + (a_node)->a_field.rbn_red = false; \ +} while (0) +#endif + +/* Node initializer. */ +#define rbt_node_new(a_type, a_field, a_rbt, a_node) do { \ + rbtn_left_set(a_type, a_field, (a_node), &(a_rbt)->rbt_nil); \ + rbtn_right_set(a_type, a_field, (a_node), &(a_rbt)->rbt_nil); \ + rbtn_red_set(a_type, a_field, (a_node)); \ +} while (0) + +/* Tree initializer. */ +#define rb_new(a_type, a_field, a_rbt) do { \ + (a_rbt)->rbt_root = &(a_rbt)->rbt_nil; \ + rbt_node_new(a_type, a_field, a_rbt, &(a_rbt)->rbt_nil); \ + rbtn_black_set(a_type, a_field, &(a_rbt)->rbt_nil); \ +} while (0) + +/* Internal utility macros. */ +#define rbtn_first(a_type, a_field, a_rbt, a_root, r_node) do { \ + (r_node) = (a_root); \ + if ((r_node) != &(a_rbt)->rbt_nil) { \ + for (; \ + rbtn_left_get(a_type, a_field, (r_node)) != &(a_rbt)->rbt_nil;\ + (r_node) = rbtn_left_get(a_type, a_field, (r_node))) { \ + } \ + } \ +} while (0) + +#define rbtn_last(a_type, a_field, a_rbt, a_root, r_node) do { \ + (r_node) = (a_root); \ + if ((r_node) != &(a_rbt)->rbt_nil) { \ + for (; rbtn_right_get(a_type, a_field, (r_node)) != \ + &(a_rbt)->rbt_nil; (r_node) = rbtn_right_get(a_type, a_field, \ + (r_node))) { \ + } \ + } \ +} while (0) + +#define rbtn_rotate_left(a_type, a_field, a_node, r_node) do { \ + (r_node) = rbtn_right_get(a_type, a_field, (a_node)); \ + rbtn_right_set(a_type, a_field, (a_node), \ + rbtn_left_get(a_type, a_field, (r_node))); \ + rbtn_left_set(a_type, a_field, (r_node), (a_node)); \ +} while (0) + +#define rbtn_rotate_right(a_type, a_field, a_node, r_node) do { \ + (r_node) = rbtn_left_get(a_type, a_field, (a_node)); \ + rbtn_left_set(a_type, a_field, (a_node), \ + rbtn_right_get(a_type, a_field, (r_node))); \ + rbtn_right_set(a_type, a_field, (r_node), (a_node)); \ +} while (0) + +/* + * The rb_proto() macro generates function prototypes that correspond to the + * functions generated by an equivalently parameterized call to rb_gen(). + */ + +#define rb_proto(a_attr, a_prefix, a_rbt_type, a_type) \ +a_attr void \ +a_prefix##new(a_rbt_type *rbtree); \ +a_attr a_type * \ +a_prefix##first(a_rbt_type *rbtree); \ +a_attr a_type * \ +a_prefix##last(a_rbt_type *rbtree); \ +a_attr a_type * \ +a_prefix##next(a_rbt_type *rbtree, a_type *node); \ +a_attr a_type * \ +a_prefix##prev(a_rbt_type *rbtree, a_type *node); \ +a_attr a_type * \ +a_prefix##search(a_rbt_type *rbtree, a_type *key); \ +a_attr a_type * \ +a_prefix##nsearch(a_rbt_type *rbtree, a_type *key); \ +a_attr a_type * \ +a_prefix##psearch(a_rbt_type *rbtree, a_type *key); \ +a_attr void \ +a_prefix##insert(a_rbt_type *rbtree, a_type *node); \ +a_attr void \ +a_prefix##remove(a_rbt_type *rbtree, a_type *node); \ +a_attr a_type * \ +a_prefix##iter(a_rbt_type *rbtree, a_type *start, a_type *(*cb)( \ + a_rbt_type *, a_type *, void *), void *arg); \ +a_attr a_type * \ +a_prefix##reverse_iter(a_rbt_type *rbtree, a_type *start, \ + a_type *(*cb)(a_rbt_type *, a_type *, void *), void *arg); + +/* + * The rb_gen() macro generates a type-specific red-black tree implementation, + * based on the above cpp macros. + * + * Arguments: + * + * a_attr : Function attribute for generated functions (ex: static). + * a_prefix : Prefix for generated functions (ex: ex_). + * a_rb_type : Type for red-black tree data structure (ex: ex_t). + * a_type : Type for red-black tree node data structure (ex: ex_node_t). + * a_field : Name of red-black tree node linkage (ex: ex_link). + * a_cmp : Node comparison function name, with the following prototype: + * int (a_cmp *)(a_type *a_node, a_type *a_other); + * ^^^^^^ + * or a_key + * Interpretation of comparision function return values: + * -1 : a_node < a_other + * 0 : a_node == a_other + * 1 : a_node > a_other + * In all cases, the a_node or a_key macro argument is the first + * argument to the comparison function, which makes it possible + * to write comparison functions that treat the first argument + * specially. + * + * Assuming the following setup: + * + * typedef struct ex_node_s ex_node_t; + * struct ex_node_s { + * rb_node(ex_node_t) ex_link; + * }; + * typedef rb_tree(ex_node_t) ex_t; + * rb_gen(static, ex_, ex_t, ex_node_t, ex_link, ex_cmp) + * + * The following API is generated: + * + * static void + * ex_new(ex_t *tree); + * Description: Initialize a red-black tree structure. + * Args: + * tree: Pointer to an uninitialized red-black tree object. + * + * static ex_node_t * + * ex_first(ex_t *tree); + * static ex_node_t * + * ex_last(ex_t *tree); + * Description: Get the first/last node in tree. + * Args: + * tree: Pointer to an initialized red-black tree object. + * Ret: First/last node in tree, or NULL if tree is empty. + * + * static ex_node_t * + * ex_next(ex_t *tree, ex_node_t *node); + * static ex_node_t * + * ex_prev(ex_t *tree, ex_node_t *node); + * Description: Get node's successor/predecessor. + * Args: + * tree: Pointer to an initialized red-black tree object. + * node: A node in tree. + * Ret: node's successor/predecessor in tree, or NULL if node is + * last/first. + * + * static ex_node_t * + * ex_search(ex_t *tree, ex_node_t *key); + * Description: Search for node that matches key. + * Args: + * tree: Pointer to an initialized red-black tree object. + * key : Search key. + * Ret: Node in tree that matches key, or NULL if no match. + * + * static ex_node_t * + * ex_nsearch(ex_t *tree, ex_node_t *key); + * static ex_node_t * + * ex_psearch(ex_t *tree, ex_node_t *key); + * Description: Search for node that matches key. If no match is found, + * return what would be key's successor/predecessor, were + * key in tree. + * Args: + * tree: Pointer to an initialized red-black tree object. + * key : Search key. + * Ret: Node in tree that matches key, or if no match, hypothetical node's + * successor/predecessor (NULL if no successor/predecessor). + * + * static void + * ex_insert(ex_t *tree, ex_node_t *node); + * Description: Insert node into tree. + * Args: + * tree: Pointer to an initialized red-black tree object. + * node: Node to be inserted into tree. + * + * static void + * ex_remove(ex_t *tree, ex_node_t *node); + * Description: Remove node from tree. + * Args: + * tree: Pointer to an initialized red-black tree object. + * node: Node in tree to be removed. + * + * static ex_node_t * + * ex_iter(ex_t *tree, ex_node_t *start, ex_node_t *(*cb)(ex_t *, + * ex_node_t *, void *), void *arg); + * static ex_node_t * + * ex_reverse_iter(ex_t *tree, ex_node_t *start, ex_node *(*cb)(ex_t *, + * ex_node_t *, void *), void *arg); + * Description: Iterate forward/backward over tree, starting at node. If + * tree is modified, iteration must be immediately + * terminated by the callback function that causes the + * modification. + * Args: + * tree : Pointer to an initialized red-black tree object. + * start: Node at which to start iteration, or NULL to start at + * first/last node. + * cb : Callback function, which is called for each node during + * iteration. Under normal circumstances the callback function + * should return NULL, which causes iteration to continue. If a + * callback function returns non-NULL, iteration is immediately + * terminated and the non-NULL return value is returned by the + * iterator. This is useful for re-starting iteration after + * modifying tree. + * arg : Opaque pointer passed to cb(). + * Ret: NULL if iteration completed, or the non-NULL callback return value + * that caused termination of the iteration. + */ +#define rb_gen(a_attr, a_prefix, a_rbt_type, a_type, a_field, a_cmp) \ +a_attr void \ +a_prefix##new(a_rbt_type *rbtree) { \ + rb_new(a_type, a_field, rbtree); \ +} \ +a_attr a_type * \ +a_prefix##first(a_rbt_type *rbtree) { \ + a_type *ret; \ + rbtn_first(a_type, a_field, rbtree, rbtree->rbt_root, ret); \ + if (ret == &rbtree->rbt_nil) { \ + ret = NULL; \ + } \ + return (ret); \ +} \ +a_attr a_type * \ +a_prefix##last(a_rbt_type *rbtree) { \ + a_type *ret; \ + rbtn_last(a_type, a_field, rbtree, rbtree->rbt_root, ret); \ + if (ret == &rbtree->rbt_nil) { \ + ret = NULL; \ + } \ + return (ret); \ +} \ +a_attr a_type * \ +a_prefix##next(a_rbt_type *rbtree, a_type *node) { \ + a_type *ret; \ + if (rbtn_right_get(a_type, a_field, node) != &rbtree->rbt_nil) { \ + rbtn_first(a_type, a_field, rbtree, rbtn_right_get(a_type, \ + a_field, node), ret); \ + } else { \ + a_type *tnode = rbtree->rbt_root; \ + assert(tnode != &rbtree->rbt_nil); \ + ret = &rbtree->rbt_nil; \ + while (true) { \ + int cmp = (a_cmp)(node, tnode); \ + if (cmp < 0) { \ + ret = tnode; \ + tnode = rbtn_left_get(a_type, a_field, tnode); \ + } else if (cmp > 0) { \ + tnode = rbtn_right_get(a_type, a_field, tnode); \ + } else { \ + break; \ + } \ + assert(tnode != &rbtree->rbt_nil); \ + } \ + } \ + if (ret == &rbtree->rbt_nil) { \ + ret = (NULL); \ + } \ + return (ret); \ +} \ +a_attr a_type * \ +a_prefix##prev(a_rbt_type *rbtree, a_type *node) { \ + a_type *ret; \ + if (rbtn_left_get(a_type, a_field, node) != &rbtree->rbt_nil) { \ + rbtn_last(a_type, a_field, rbtree, rbtn_left_get(a_type, \ + a_field, node), ret); \ + } else { \ + a_type *tnode = rbtree->rbt_root; \ + assert(tnode != &rbtree->rbt_nil); \ + ret = &rbtree->rbt_nil; \ + while (true) { \ + int cmp = (a_cmp)(node, tnode); \ + if (cmp < 0) { \ + tnode = rbtn_left_get(a_type, a_field, tnode); \ + } else if (cmp > 0) { \ + ret = tnode; \ + tnode = rbtn_right_get(a_type, a_field, tnode); \ + } else { \ + break; \ + } \ + assert(tnode != &rbtree->rbt_nil); \ + } \ + } \ + if (ret == &rbtree->rbt_nil) { \ + ret = (NULL); \ + } \ + return (ret); \ +} \ +a_attr a_type * \ +a_prefix##search(a_rbt_type *rbtree, a_type *key) { \ + a_type *ret; \ + int cmp; \ + ret = rbtree->rbt_root; \ + while (ret != &rbtree->rbt_nil \ + && (cmp = (a_cmp)(key, ret)) != 0) { \ + if (cmp < 0) { \ + ret = rbtn_left_get(a_type, a_field, ret); \ + } else { \ + ret = rbtn_right_get(a_type, a_field, ret); \ + } \ + } \ + if (ret == &rbtree->rbt_nil) { \ + ret = (NULL); \ + } \ + return (ret); \ +} \ +a_attr a_type * \ +a_prefix##nsearch(a_rbt_type *rbtree, a_type *key) { \ + a_type *ret; \ + a_type *tnode = rbtree->rbt_root; \ + ret = &rbtree->rbt_nil; \ + while (tnode != &rbtree->rbt_nil) { \ + int cmp = (a_cmp)(key, tnode); \ + if (cmp < 0) { \ + ret = tnode; \ + tnode = rbtn_left_get(a_type, a_field, tnode); \ + } else if (cmp > 0) { \ + tnode = rbtn_right_get(a_type, a_field, tnode); \ + } else { \ + ret = tnode; \ + break; \ + } \ + } \ + if (ret == &rbtree->rbt_nil) { \ + ret = (NULL); \ + } \ + return (ret); \ +} \ +a_attr a_type * \ +a_prefix##psearch(a_rbt_type *rbtree, a_type *key) { \ + a_type *ret; \ + a_type *tnode = rbtree->rbt_root; \ + ret = &rbtree->rbt_nil; \ + while (tnode != &rbtree->rbt_nil) { \ + int cmp = (a_cmp)(key, tnode); \ + if (cmp < 0) { \ + tnode = rbtn_left_get(a_type, a_field, tnode); \ + } else if (cmp > 0) { \ + ret = tnode; \ + tnode = rbtn_right_get(a_type, a_field, tnode); \ + } else { \ + ret = tnode; \ + break; \ + } \ + } \ + if (ret == &rbtree->rbt_nil) { \ + ret = (NULL); \ + } \ + return (ret); \ +} \ +a_attr void \ +a_prefix##insert(a_rbt_type *rbtree, a_type *node) { \ + struct { \ + a_type *node; \ + int cmp; \ + } path[sizeof(void *) << 4], *pathp; \ + rbt_node_new(a_type, a_field, rbtree, node); \ + /* Wind. */ \ + path->node = rbtree->rbt_root; \ + for (pathp = path; pathp->node != &rbtree->rbt_nil; pathp++) { \ + int cmp = pathp->cmp = a_cmp(node, pathp->node); \ + assert(cmp != 0); \ + if (cmp < 0) { \ + pathp[1].node = rbtn_left_get(a_type, a_field, \ + pathp->node); \ + } else { \ + pathp[1].node = rbtn_right_get(a_type, a_field, \ + pathp->node); \ + } \ + } \ + pathp->node = node; \ + /* Unwind. */ \ + for (pathp--; (uintptr_t)pathp >= (uintptr_t)path; pathp--) { \ + a_type *cnode = pathp->node; \ + if (pathp->cmp < 0) { \ + a_type *left = pathp[1].node; \ + rbtn_left_set(a_type, a_field, cnode, left); \ + if (rbtn_red_get(a_type, a_field, left)) { \ + a_type *leftleft = rbtn_left_get(a_type, a_field, left);\ + if (rbtn_red_get(a_type, a_field, leftleft)) { \ + /* Fix up 4-node. */ \ + a_type *tnode; \ + rbtn_black_set(a_type, a_field, leftleft); \ + rbtn_rotate_right(a_type, a_field, cnode, tnode); \ + cnode = tnode; \ + } \ + } else { \ + return; \ + } \ + } else { \ + a_type *right = pathp[1].node; \ + rbtn_right_set(a_type, a_field, cnode, right); \ + if (rbtn_red_get(a_type, a_field, right)) { \ + a_type *left = rbtn_left_get(a_type, a_field, cnode); \ + if (rbtn_red_get(a_type, a_field, left)) { \ + /* Split 4-node. */ \ + rbtn_black_set(a_type, a_field, left); \ + rbtn_black_set(a_type, a_field, right); \ + rbtn_red_set(a_type, a_field, cnode); \ + } else { \ + /* Lean left. */ \ + a_type *tnode; \ + bool tred = rbtn_red_get(a_type, a_field, cnode); \ + rbtn_rotate_left(a_type, a_field, cnode, tnode); \ + rbtn_color_set(a_type, a_field, tnode, tred); \ + rbtn_red_set(a_type, a_field, cnode); \ + cnode = tnode; \ + } \ + } else { \ + return; \ + } \ + } \ + pathp->node = cnode; \ + } \ + /* Set root, and make it black. */ \ + rbtree->rbt_root = path->node; \ + rbtn_black_set(a_type, a_field, rbtree->rbt_root); \ +} \ +a_attr void \ +a_prefix##remove(a_rbt_type *rbtree, a_type *node) { \ + struct { \ + a_type *node; \ + int cmp; \ + } *pathp, *nodep, path[sizeof(void *) << 4]; \ + /* Wind. */ \ + nodep = NULL; /* Silence compiler warning. */ \ + path->node = rbtree->rbt_root; \ + for (pathp = path; pathp->node != &rbtree->rbt_nil; pathp++) { \ + int cmp = pathp->cmp = a_cmp(node, pathp->node); \ + if (cmp < 0) { \ + pathp[1].node = rbtn_left_get(a_type, a_field, \ + pathp->node); \ + } else { \ + pathp[1].node = rbtn_right_get(a_type, a_field, \ + pathp->node); \ + if (cmp == 0) { \ + /* Find node's successor, in preparation for swap. */ \ + pathp->cmp = 1; \ + nodep = pathp; \ + for (pathp++; pathp->node != &rbtree->rbt_nil; \ + pathp++) { \ + pathp->cmp = -1; \ + pathp[1].node = rbtn_left_get(a_type, a_field, \ + pathp->node); \ + } \ + break; \ + } \ + } \ + } \ + assert(nodep->node == node); \ + pathp--; \ + if (pathp->node != node) { \ + /* Swap node with its successor. */ \ + bool tred = rbtn_red_get(a_type, a_field, pathp->node); \ + rbtn_color_set(a_type, a_field, pathp->node, \ + rbtn_red_get(a_type, a_field, node)); \ + rbtn_left_set(a_type, a_field, pathp->node, \ + rbtn_left_get(a_type, a_field, node)); \ + /* If node's successor is its right child, the following code */\ + /* will do the wrong thing for the right child pointer. */\ + /* However, it doesn't matter, because the pointer will be */\ + /* properly set when the successor is pruned. */\ + rbtn_right_set(a_type, a_field, pathp->node, \ + rbtn_right_get(a_type, a_field, node)); \ + rbtn_color_set(a_type, a_field, node, tred); \ + /* The pruned leaf node's child pointers are never accessed */\ + /* again, so don't bother setting them to nil. */\ + nodep->node = pathp->node; \ + pathp->node = node; \ + if (nodep == path) { \ + rbtree->rbt_root = nodep->node; \ + } else { \ + if (nodep[-1].cmp < 0) { \ + rbtn_left_set(a_type, a_field, nodep[-1].node, \ + nodep->node); \ + } else { \ + rbtn_right_set(a_type, a_field, nodep[-1].node, \ + nodep->node); \ + } \ + } \ + } else { \ + a_type *left = rbtn_left_get(a_type, a_field, node); \ + if (left != &rbtree->rbt_nil) { \ + /* node has no successor, but it has a left child. */\ + /* Splice node out, without losing the left child. */\ + assert(rbtn_red_get(a_type, a_field, node) == false); \ + assert(rbtn_red_get(a_type, a_field, left)); \ + rbtn_black_set(a_type, a_field, left); \ + if (pathp == path) { \ + rbtree->rbt_root = left; \ + } else { \ + if (pathp[-1].cmp < 0) { \ + rbtn_left_set(a_type, a_field, pathp[-1].node, \ + left); \ + } else { \ + rbtn_right_set(a_type, a_field, pathp[-1].node, \ + left); \ + } \ + } \ + return; \ + } else if (pathp == path) { \ + /* The tree only contained one node. */ \ + rbtree->rbt_root = &rbtree->rbt_nil; \ + return; \ + } \ + } \ + if (rbtn_red_get(a_type, a_field, pathp->node)) { \ + /* Prune red node, which requires no fixup. */ \ + assert(pathp[-1].cmp < 0); \ + rbtn_left_set(a_type, a_field, pathp[-1].node, \ + &rbtree->rbt_nil); \ + return; \ + } \ + /* The node to be pruned is black, so unwind until balance is */\ + /* restored. */\ + pathp->node = &rbtree->rbt_nil; \ + for (pathp--; (uintptr_t)pathp >= (uintptr_t)path; pathp--) { \ + assert(pathp->cmp != 0); \ + if (pathp->cmp < 0) { \ + rbtn_left_set(a_type, a_field, pathp->node, \ + pathp[1].node); \ + assert(rbtn_red_get(a_type, a_field, pathp[1].node) \ + == false); \ + if (rbtn_red_get(a_type, a_field, pathp->node)) { \ + a_type *right = rbtn_right_get(a_type, a_field, \ + pathp->node); \ + a_type *rightleft = rbtn_left_get(a_type, a_field, \ + right); \ + a_type *tnode; \ + if (rbtn_red_get(a_type, a_field, rightleft)) { \ + /* In the following diagrams, ||, //, and \\ */\ + /* indicate the path to the removed node. */\ + /* */\ + /* || */\ + /* pathp(r) */\ + /* // \ */\ + /* (b) (b) */\ + /* / */\ + /* (r) */\ + /* */\ + rbtn_black_set(a_type, a_field, pathp->node); \ + rbtn_rotate_right(a_type, a_field, right, tnode); \ + rbtn_right_set(a_type, a_field, pathp->node, tnode);\ + rbtn_rotate_left(a_type, a_field, pathp->node, \ + tnode); \ + } else { \ + /* || */\ + /* pathp(r) */\ + /* // \ */\ + /* (b) (b) */\ + /* / */\ + /* (b) */\ + /* */\ + rbtn_rotate_left(a_type, a_field, pathp->node, \ + tnode); \ + } \ + /* Balance restored, but rotation modified subtree */\ + /* root. */\ + assert((uintptr_t)pathp > (uintptr_t)path); \ + if (pathp[-1].cmp < 0) { \ + rbtn_left_set(a_type, a_field, pathp[-1].node, \ + tnode); \ + } else { \ + rbtn_right_set(a_type, a_field, pathp[-1].node, \ + tnode); \ + } \ + return; \ + } else { \ + a_type *right = rbtn_right_get(a_type, a_field, \ + pathp->node); \ + a_type *rightleft = rbtn_left_get(a_type, a_field, \ + right); \ + if (rbtn_red_get(a_type, a_field, rightleft)) { \ + /* || */\ + /* pathp(b) */\ + /* // \ */\ + /* (b) (b) */\ + /* / */\ + /* (r) */\ + a_type *tnode; \ + rbtn_black_set(a_type, a_field, rightleft); \ + rbtn_rotate_right(a_type, a_field, right, tnode); \ + rbtn_right_set(a_type, a_field, pathp->node, tnode);\ + rbtn_rotate_left(a_type, a_field, pathp->node, \ + tnode); \ + /* Balance restored, but rotation modified */\ + /* subree root, which may actually be the tree */\ + /* root. */\ + if (pathp == path) { \ + /* Set root. */ \ + rbtree->rbt_root = tnode; \ + } else { \ + if (pathp[-1].cmp < 0) { \ + rbtn_left_set(a_type, a_field, \ + pathp[-1].node, tnode); \ + } else { \ + rbtn_right_set(a_type, a_field, \ + pathp[-1].node, tnode); \ + } \ + } \ + return; \ + } else { \ + /* || */\ + /* pathp(b) */\ + /* // \ */\ + /* (b) (b) */\ + /* / */\ + /* (b) */\ + a_type *tnode; \ + rbtn_red_set(a_type, a_field, pathp->node); \ + rbtn_rotate_left(a_type, a_field, pathp->node, \ + tnode); \ + pathp->node = tnode; \ + } \ + } \ + } else { \ + a_type *left; \ + rbtn_right_set(a_type, a_field, pathp->node, \ + pathp[1].node); \ + left = rbtn_left_get(a_type, a_field, pathp->node); \ + if (rbtn_red_get(a_type, a_field, left)) { \ + a_type *tnode; \ + a_type *leftright = rbtn_right_get(a_type, a_field, \ + left); \ + a_type *leftrightleft = rbtn_left_get(a_type, a_field, \ + leftright); \ + if (rbtn_red_get(a_type, a_field, leftrightleft)) { \ + /* || */\ + /* pathp(b) */\ + /* / \\ */\ + /* (r) (b) */\ + /* \ */\ + /* (b) */\ + /* / */\ + /* (r) */\ + a_type *unode; \ + rbtn_black_set(a_type, a_field, leftrightleft); \ + rbtn_rotate_right(a_type, a_field, pathp->node, \ + unode); \ + rbtn_rotate_right(a_type, a_field, pathp->node, \ + tnode); \ + rbtn_right_set(a_type, a_field, unode, tnode); \ + rbtn_rotate_left(a_type, a_field, unode, tnode); \ + } else { \ + /* || */\ + /* pathp(b) */\ + /* / \\ */\ + /* (r) (b) */\ + /* \ */\ + /* (b) */\ + /* / */\ + /* (b) */\ + assert(leftright != &rbtree->rbt_nil); \ + rbtn_red_set(a_type, a_field, leftright); \ + rbtn_rotate_right(a_type, a_field, pathp->node, \ + tnode); \ + rbtn_black_set(a_type, a_field, tnode); \ + } \ + /* Balance restored, but rotation modified subtree */\ + /* root, which may actually be the tree root. */\ + if (pathp == path) { \ + /* Set root. */ \ + rbtree->rbt_root = tnode; \ + } else { \ + if (pathp[-1].cmp < 0) { \ + rbtn_left_set(a_type, a_field, pathp[-1].node, \ + tnode); \ + } else { \ + rbtn_right_set(a_type, a_field, pathp[-1].node, \ + tnode); \ + } \ + } \ + return; \ + } else if (rbtn_red_get(a_type, a_field, pathp->node)) { \ + a_type *leftleft = rbtn_left_get(a_type, a_field, left);\ + if (rbtn_red_get(a_type, a_field, leftleft)) { \ + /* || */\ + /* pathp(r) */\ + /* / \\ */\ + /* (b) (b) */\ + /* / */\ + /* (r) */\ + a_type *tnode; \ + rbtn_black_set(a_type, a_field, pathp->node); \ + rbtn_red_set(a_type, a_field, left); \ + rbtn_black_set(a_type, a_field, leftleft); \ + rbtn_rotate_right(a_type, a_field, pathp->node, \ + tnode); \ + /* Balance restored, but rotation modified */\ + /* subtree root. */\ + assert((uintptr_t)pathp > (uintptr_t)path); \ + if (pathp[-1].cmp < 0) { \ + rbtn_left_set(a_type, a_field, pathp[-1].node, \ + tnode); \ + } else { \ + rbtn_right_set(a_type, a_field, pathp[-1].node, \ + tnode); \ + } \ + return; \ + } else { \ + /* || */\ + /* pathp(r) */\ + /* / \\ */\ + /* (b) (b) */\ + /* / */\ + /* (b) */\ + rbtn_red_set(a_type, a_field, left); \ + rbtn_black_set(a_type, a_field, pathp->node); \ + /* Balance restored. */ \ + return; \ + } \ + } else { \ + a_type *leftleft = rbtn_left_get(a_type, a_field, left);\ + if (rbtn_red_get(a_type, a_field, leftleft)) { \ + /* || */\ + /* pathp(b) */\ + /* / \\ */\ + /* (b) (b) */\ + /* / */\ + /* (r) */\ + a_type *tnode; \ + rbtn_black_set(a_type, a_field, leftleft); \ + rbtn_rotate_right(a_type, a_field, pathp->node, \ + tnode); \ + /* Balance restored, but rotation modified */\ + /* subtree root, which may actually be the tree */\ + /* root. */\ + if (pathp == path) { \ + /* Set root. */ \ + rbtree->rbt_root = tnode; \ + } else { \ + if (pathp[-1].cmp < 0) { \ + rbtn_left_set(a_type, a_field, \ + pathp[-1].node, tnode); \ + } else { \ + rbtn_right_set(a_type, a_field, \ + pathp[-1].node, tnode); \ + } \ + } \ + return; \ + } else { \ + /* || */\ + /* pathp(b) */\ + /* / \\ */\ + /* (b) (b) */\ + /* / */\ + /* (b) */\ + rbtn_red_set(a_type, a_field, left); \ + } \ + } \ + } \ + } \ + /* Set root. */ \ + rbtree->rbt_root = path->node; \ + assert(rbtn_red_get(a_type, a_field, rbtree->rbt_root) == false); \ +} \ +a_attr a_type * \ +a_prefix##iter_recurse(a_rbt_type *rbtree, a_type *node, \ + a_type *(*cb)(a_rbt_type *, a_type *, void *), void *arg) { \ + if (node == &rbtree->rbt_nil) { \ + return (&rbtree->rbt_nil); \ + } else { \ + a_type *ret; \ + if ((ret = a_prefix##iter_recurse(rbtree, rbtn_left_get(a_type, \ + a_field, node), cb, arg)) != &rbtree->rbt_nil \ + || (ret = cb(rbtree, node, arg)) != NULL) { \ + return (ret); \ + } \ + return (a_prefix##iter_recurse(rbtree, rbtn_right_get(a_type, \ + a_field, node), cb, arg)); \ + } \ +} \ +a_attr a_type * \ +a_prefix##iter_start(a_rbt_type *rbtree, a_type *start, a_type *node, \ + a_type *(*cb)(a_rbt_type *, a_type *, void *), void *arg) { \ + int cmp = a_cmp(start, node); \ + if (cmp < 0) { \ + a_type *ret; \ + if ((ret = a_prefix##iter_start(rbtree, start, \ + rbtn_left_get(a_type, a_field, node), cb, arg)) != \ + &rbtree->rbt_nil || (ret = cb(rbtree, node, arg)) != NULL) { \ + return (ret); \ + } \ + return (a_prefix##iter_recurse(rbtree, rbtn_right_get(a_type, \ + a_field, node), cb, arg)); \ + } else if (cmp > 0) { \ + return (a_prefix##iter_start(rbtree, start, \ + rbtn_right_get(a_type, a_field, node), cb, arg)); \ + } else { \ + a_type *ret; \ + if ((ret = cb(rbtree, node, arg)) != NULL) { \ + return (ret); \ + } \ + return (a_prefix##iter_recurse(rbtree, rbtn_right_get(a_type, \ + a_field, node), cb, arg)); \ + } \ +} \ +a_attr a_type * \ +a_prefix##iter(a_rbt_type *rbtree, a_type *start, a_type *(*cb)( \ + a_rbt_type *, a_type *, void *), void *arg) { \ + a_type *ret; \ + if (start != NULL) { \ + ret = a_prefix##iter_start(rbtree, start, rbtree->rbt_root, \ + cb, arg); \ + } else { \ + ret = a_prefix##iter_recurse(rbtree, rbtree->rbt_root, cb, arg);\ + } \ + if (ret == &rbtree->rbt_nil) { \ + ret = NULL; \ + } \ + return (ret); \ +} \ +a_attr a_type * \ +a_prefix##reverse_iter_recurse(a_rbt_type *rbtree, a_type *node, \ + a_type *(*cb)(a_rbt_type *, a_type *, void *), void *arg) { \ + if (node == &rbtree->rbt_nil) { \ + return (&rbtree->rbt_nil); \ + } else { \ + a_type *ret; \ + if ((ret = a_prefix##reverse_iter_recurse(rbtree, \ + rbtn_right_get(a_type, a_field, node), cb, arg)) != \ + &rbtree->rbt_nil || (ret = cb(rbtree, node, arg)) != NULL) { \ + return (ret); \ + } \ + return (a_prefix##reverse_iter_recurse(rbtree, \ + rbtn_left_get(a_type, a_field, node), cb, arg)); \ + } \ +} \ +a_attr a_type * \ +a_prefix##reverse_iter_start(a_rbt_type *rbtree, a_type *start, \ + a_type *node, a_type *(*cb)(a_rbt_type *, a_type *, void *), \ + void *arg) { \ + int cmp = a_cmp(start, node); \ + if (cmp > 0) { \ + a_type *ret; \ + if ((ret = a_prefix##reverse_iter_start(rbtree, start, \ + rbtn_right_get(a_type, a_field, node), cb, arg)) != \ + &rbtree->rbt_nil || (ret = cb(rbtree, node, arg)) != NULL) { \ + return (ret); \ + } \ + return (a_prefix##reverse_iter_recurse(rbtree, \ + rbtn_left_get(a_type, a_field, node), cb, arg)); \ + } else if (cmp < 0) { \ + return (a_prefix##reverse_iter_start(rbtree, start, \ + rbtn_left_get(a_type, a_field, node), cb, arg)); \ + } else { \ + a_type *ret; \ + if ((ret = cb(rbtree, node, arg)) != NULL) { \ + return (ret); \ + } \ + return (a_prefix##reverse_iter_recurse(rbtree, \ + rbtn_left_get(a_type, a_field, node), cb, arg)); \ + } \ +} \ +a_attr a_type * \ +a_prefix##reverse_iter(a_rbt_type *rbtree, a_type *start, \ + a_type *(*cb)(a_rbt_type *, a_type *, void *), void *arg) { \ + a_type *ret; \ + if (start != NULL) { \ + ret = a_prefix##reverse_iter_start(rbtree, start, \ + rbtree->rbt_root, cb, arg); \ + } else { \ + ret = a_prefix##reverse_iter_recurse(rbtree, rbtree->rbt_root, \ + cb, arg); \ + } \ + if (ret == &rbtree->rbt_nil) { \ + ret = NULL; \ + } \ + return (ret); \ +} + +#endif /* RB_H_ */ diff --git a/deps/jemalloc/include/jemalloc/internal/rtree.h b/deps/jemalloc/include/jemalloc/internal/rtree.h new file mode 100644 index 0000000..9bd9854 --- /dev/null +++ b/deps/jemalloc/include/jemalloc/internal/rtree.h @@ -0,0 +1,164 @@ +/* + * This radix tree implementation is tailored to the singular purpose of + * tracking which chunks are currently owned by jemalloc. This functionality + * is mandatory for OS X, where jemalloc must be able to respond to object + * ownership queries. + * + ******************************************************************************* + */ +#ifdef JEMALLOC_H_TYPES + +typedef struct rtree_s rtree_t; + +/* + * Size of each radix tree node (must be a power of 2). This impacts tree + * depth. + */ +#if (LG_SIZEOF_PTR == 2) +# define RTREE_NODESIZE (1U << 14) +#else +# define RTREE_NODESIZE CACHELINE +#endif + +#endif /* JEMALLOC_H_TYPES */ +/******************************************************************************/ +#ifdef JEMALLOC_H_STRUCTS + +struct rtree_s { + malloc_mutex_t mutex; + void **root; + unsigned height; + unsigned level2bits[1]; /* Dynamically sized. */ +}; + +#endif /* JEMALLOC_H_STRUCTS */ +/******************************************************************************/ +#ifdef JEMALLOC_H_EXTERNS + +rtree_t *rtree_new(unsigned bits); +void rtree_prefork(rtree_t *rtree); +void rtree_postfork_parent(rtree_t *rtree); +void rtree_postfork_child(rtree_t *rtree); + +#endif /* JEMALLOC_H_EXTERNS */ +/******************************************************************************/ +#ifdef JEMALLOC_H_INLINES + +#ifndef JEMALLOC_ENABLE_INLINE +#ifndef JEMALLOC_DEBUG +void *rtree_get_locked(rtree_t *rtree, uintptr_t key); +#endif +void *rtree_get(rtree_t *rtree, uintptr_t key); +bool rtree_set(rtree_t *rtree, uintptr_t key, void *val); +#endif + +#if (defined(JEMALLOC_ENABLE_INLINE) || defined(JEMALLOC_RTREE_C_)) +#define RTREE_GET_GENERATE(f) \ +/* The least significant bits of the key are ignored. */ \ +JEMALLOC_INLINE void * \ +f(rtree_t *rtree, uintptr_t key) \ +{ \ + void *ret; \ + uintptr_t subkey; \ + unsigned i, lshift, height, bits; \ + void **node, **child; \ + \ + RTREE_LOCK(&rtree->mutex); \ + for (i = lshift = 0, height = rtree->height, node = rtree->root;\ + i < height - 1; \ + i++, lshift += bits, node = child) { \ + bits = rtree->level2bits[i]; \ + subkey = (key << lshift) >> ((ZU(1) << (LG_SIZEOF_PTR + \ + 3)) - bits); \ + child = (void**)node[subkey]; \ + if (child == NULL) { \ + RTREE_UNLOCK(&rtree->mutex); \ + return (NULL); \ + } \ + } \ + \ + /* \ + * node is a leaf, so it contains values rather than node \ + * pointers. \ + */ \ + bits = rtree->level2bits[i]; \ + subkey = (key << lshift) >> ((ZU(1) << (LG_SIZEOF_PTR+3)) - \ + bits); \ + ret = node[subkey]; \ + RTREE_UNLOCK(&rtree->mutex); \ + \ + RTREE_GET_VALIDATE \ + return (ret); \ +} + +#ifdef JEMALLOC_DEBUG +# define RTREE_LOCK(l) malloc_mutex_lock(l) +# define RTREE_UNLOCK(l) malloc_mutex_unlock(l) +# define RTREE_GET_VALIDATE +RTREE_GET_GENERATE(rtree_get_locked) +# undef RTREE_LOCK +# undef RTREE_UNLOCK +# undef RTREE_GET_VALIDATE +#endif + +#define RTREE_LOCK(l) +#define RTREE_UNLOCK(l) +#ifdef JEMALLOC_DEBUG + /* + * Suppose that it were possible for a jemalloc-allocated chunk to be + * munmap()ped, followed by a different allocator in another thread re-using + * overlapping virtual memory, all without invalidating the cached rtree + * value. The result would be a false positive (the rtree would claim that + * jemalloc owns memory that it had actually discarded). This scenario + * seems impossible, but the following assertion is a prudent sanity check. + */ +# define RTREE_GET_VALIDATE \ + assert(rtree_get_locked(rtree, key) == ret); +#else +# define RTREE_GET_VALIDATE +#endif +RTREE_GET_GENERATE(rtree_get) +#undef RTREE_LOCK +#undef RTREE_UNLOCK +#undef RTREE_GET_VALIDATE + +JEMALLOC_INLINE bool +rtree_set(rtree_t *rtree, uintptr_t key, void *val) +{ + uintptr_t subkey; + unsigned i, lshift, height, bits; + void **node, **child; + + malloc_mutex_lock(&rtree->mutex); + for (i = lshift = 0, height = rtree->height, node = rtree->root; + i < height - 1; + i++, lshift += bits, node = child) { + bits = rtree->level2bits[i]; + subkey = (key << lshift) >> ((ZU(1) << (LG_SIZEOF_PTR+3)) - + bits); + child = (void**)node[subkey]; + if (child == NULL) { + child = (void**)base_alloc(sizeof(void *) << + rtree->level2bits[i+1]); + if (child == NULL) { + malloc_mutex_unlock(&rtree->mutex); + return (true); + } + memset(child, 0, sizeof(void *) << + rtree->level2bits[i+1]); + node[subkey] = child; + } + } + + /* node is a leaf, so it contains values rather than node pointers. */ + bits = rtree->level2bits[i]; + subkey = (key << lshift) >> ((ZU(1) << (LG_SIZEOF_PTR+3)) - bits); + node[subkey] = val; + malloc_mutex_unlock(&rtree->mutex); + + return (false); +} +#endif + +#endif /* JEMALLOC_H_INLINES */ +/******************************************************************************/ diff --git a/deps/jemalloc/include/jemalloc/internal/size_classes.sh b/deps/jemalloc/include/jemalloc/internal/size_classes.sh new file mode 100755 index 0000000..29c80c1 --- /dev/null +++ b/deps/jemalloc/include/jemalloc/internal/size_classes.sh @@ -0,0 +1,122 @@ +#!/bin/sh + +# The following limits are chosen such that they cover all supported platforms. + +# Range of quanta. +lg_qmin=3 +lg_qmax=4 + +# The range of tiny size classes is [2^lg_tmin..2^(lg_q-1)]. +lg_tmin=3 + +# Range of page sizes. +lg_pmin=12 +lg_pmax=16 + +pow2() { + e=$1 + pow2_result=1 + while [ ${e} -gt 0 ] ; do + pow2_result=$((${pow2_result} + ${pow2_result})) + e=$((${e} - 1)) + done +} + +cat < 255) +# error "Too many small size classes" +#endif + +#endif /* JEMALLOC_H_TYPES */ +/******************************************************************************/ +#ifdef JEMALLOC_H_STRUCTS + + +#endif /* JEMALLOC_H_STRUCTS */ +/******************************************************************************/ +#ifdef JEMALLOC_H_EXTERNS + + +#endif /* JEMALLOC_H_EXTERNS */ +/******************************************************************************/ +#ifdef JEMALLOC_H_INLINES + + +#endif /* JEMALLOC_H_INLINES */ +/******************************************************************************/ +EOF diff --git a/deps/jemalloc/include/jemalloc/internal/stats.h b/deps/jemalloc/include/jemalloc/internal/stats.h new file mode 100644 index 0000000..27f68e3 --- /dev/null +++ b/deps/jemalloc/include/jemalloc/internal/stats.h @@ -0,0 +1,173 @@ +/******************************************************************************/ +#ifdef JEMALLOC_H_TYPES + +typedef struct tcache_bin_stats_s tcache_bin_stats_t; +typedef struct malloc_bin_stats_s malloc_bin_stats_t; +typedef struct malloc_large_stats_s malloc_large_stats_t; +typedef struct arena_stats_s arena_stats_t; +typedef struct chunk_stats_s chunk_stats_t; + +#endif /* JEMALLOC_H_TYPES */ +/******************************************************************************/ +#ifdef JEMALLOC_H_STRUCTS + +struct tcache_bin_stats_s { + /* + * Number of allocation requests that corresponded to the size of this + * bin. + */ + uint64_t nrequests; +}; + +struct malloc_bin_stats_s { + /* + * Current number of bytes allocated, including objects currently + * cached by tcache. + */ + size_t allocated; + + /* + * Total number of allocation/deallocation requests served directly by + * the bin. Note that tcache may allocate an object, then recycle it + * many times, resulting many increments to nrequests, but only one + * each to nmalloc and ndalloc. + */ + uint64_t nmalloc; + uint64_t ndalloc; + + /* + * Number of allocation requests that correspond to the size of this + * bin. This includes requests served by tcache, though tcache only + * periodically merges into this counter. + */ + uint64_t nrequests; + + /* Number of tcache fills from this bin. */ + uint64_t nfills; + + /* Number of tcache flushes to this bin. */ + uint64_t nflushes; + + /* Total number of runs created for this bin's size class. */ + uint64_t nruns; + + /* + * Total number of runs reused by extracting them from the runs tree for + * this bin's size class. + */ + uint64_t reruns; + + /* Current number of runs in this bin. */ + size_t curruns; +}; + +struct malloc_large_stats_s { + /* + * Total number of allocation/deallocation requests served directly by + * the arena. Note that tcache may allocate an object, then recycle it + * many times, resulting many increments to nrequests, but only one + * each to nmalloc and ndalloc. + */ + uint64_t nmalloc; + uint64_t ndalloc; + + /* + * Number of allocation requests that correspond to this size class. + * This includes requests served by tcache, though tcache only + * periodically merges into this counter. + */ + uint64_t nrequests; + + /* Current number of runs of this size class. */ + size_t curruns; +}; + +struct arena_stats_s { + /* Number of bytes currently mapped. */ + size_t mapped; + + /* + * Total number of purge sweeps, total number of madvise calls made, + * and total pages purged in order to keep dirty unused memory under + * control. + */ + uint64_t npurge; + uint64_t nmadvise; + uint64_t purged; + + /* Per-size-category statistics. */ + size_t allocated_large; + uint64_t nmalloc_large; + uint64_t ndalloc_large; + uint64_t nrequests_large; + + /* + * One element for each possible size class, including sizes that + * overlap with bin size classes. This is necessary because ipalloc() + * sometimes has to use such large objects in order to assure proper + * alignment. + */ + malloc_large_stats_t *lstats; +}; + +struct chunk_stats_s { + /* Number of chunks that were allocated. */ + uint64_t nchunks; + + /* High-water mark for number of chunks allocated. */ + size_t highchunks; + + /* + * Current number of chunks allocated. This value isn't maintained for + * any other purpose, so keep track of it in order to be able to set + * highchunks. + */ + size_t curchunks; +}; + +#endif /* JEMALLOC_H_STRUCTS */ +/******************************************************************************/ +#ifdef JEMALLOC_H_EXTERNS + +extern bool opt_stats_print; + +extern size_t stats_cactive; + +void stats_print(void (*write)(void *, const char *), void *cbopaque, + const char *opts); + +#endif /* JEMALLOC_H_EXTERNS */ +/******************************************************************************/ +#ifdef JEMALLOC_H_INLINES + +#ifndef JEMALLOC_ENABLE_INLINE +size_t stats_cactive_get(void); +void stats_cactive_add(size_t size); +void stats_cactive_sub(size_t size); +#endif + +#if (defined(JEMALLOC_ENABLE_INLINE) || defined(JEMALLOC_STATS_C_)) +JEMALLOC_INLINE size_t +stats_cactive_get(void) +{ + + return (atomic_read_z(&stats_cactive)); +} + +JEMALLOC_INLINE void +stats_cactive_add(size_t size) +{ + + atomic_add_z(&stats_cactive, size); +} + +JEMALLOC_INLINE void +stats_cactive_sub(size_t size) +{ + + atomic_sub_z(&stats_cactive, size); +} +#endif + +#endif /* JEMALLOC_H_INLINES */ +/******************************************************************************/ diff --git a/deps/jemalloc/include/jemalloc/internal/tcache.h b/deps/jemalloc/include/jemalloc/internal/tcache.h new file mode 100644 index 0000000..38d735c --- /dev/null +++ b/deps/jemalloc/include/jemalloc/internal/tcache.h @@ -0,0 +1,440 @@ +/******************************************************************************/ +#ifdef JEMALLOC_H_TYPES + +typedef struct tcache_bin_info_s tcache_bin_info_t; +typedef struct tcache_bin_s tcache_bin_t; +typedef struct tcache_s tcache_t; + +/* + * tcache pointers close to NULL are used to encode state information that is + * used for two purposes: preventing thread caching on a per thread basis and + * cleaning up during thread shutdown. + */ +#define TCACHE_STATE_DISABLED ((tcache_t *)(uintptr_t)1) +#define TCACHE_STATE_REINCARNATED ((tcache_t *)(uintptr_t)2) +#define TCACHE_STATE_PURGATORY ((tcache_t *)(uintptr_t)3) +#define TCACHE_STATE_MAX TCACHE_STATE_PURGATORY + +/* + * Absolute maximum number of cache slots for each small bin in the thread + * cache. This is an additional constraint beyond that imposed as: twice the + * number of regions per run for this size class. + * + * This constant must be an even number. + */ +#define TCACHE_NSLOTS_SMALL_MAX 200 + +/* Number of cache slots for large size classes. */ +#define TCACHE_NSLOTS_LARGE 20 + +/* (1U << opt_lg_tcache_max) is used to compute tcache_maxclass. */ +#define LG_TCACHE_MAXCLASS_DEFAULT 15 + +/* + * TCACHE_GC_SWEEP is the approximate number of allocation events between + * full GC sweeps. Integer rounding may cause the actual number to be + * slightly higher, since GC is performed incrementally. + */ +#define TCACHE_GC_SWEEP 8192 + +/* Number of tcache allocation/deallocation events between incremental GCs. */ +#define TCACHE_GC_INCR \ + ((TCACHE_GC_SWEEP / NBINS) + ((TCACHE_GC_SWEEP / NBINS == 0) ? 0 : 1)) + +#endif /* JEMALLOC_H_TYPES */ +/******************************************************************************/ +#ifdef JEMALLOC_H_STRUCTS + +typedef enum { + tcache_enabled_false = 0, /* Enable cast to/from bool. */ + tcache_enabled_true = 1, + tcache_enabled_default = 2 +} tcache_enabled_t; + +/* + * Read-only information associated with each element of tcache_t's tbins array + * is stored separately, mainly to reduce memory usage. + */ +struct tcache_bin_info_s { + unsigned ncached_max; /* Upper limit on ncached. */ +}; + +struct tcache_bin_s { + tcache_bin_stats_t tstats; + int low_water; /* Min # cached since last GC. */ + unsigned lg_fill_div; /* Fill (ncached_max >> lg_fill_div). */ + unsigned ncached; /* # of cached objects. */ + void **avail; /* Stack of available objects. */ +}; + +struct tcache_s { + ql_elm(tcache_t) link; /* Used for aggregating stats. */ + uint64_t prof_accumbytes;/* Cleared after arena_prof_accum() */ + arena_t *arena; /* This thread's arena. */ + unsigned ev_cnt; /* Event count since incremental GC. */ + unsigned next_gc_bin; /* Next bin to GC. */ + tcache_bin_t tbins[1]; /* Dynamically sized. */ + /* + * The pointer stacks associated with tbins follow as a contiguous + * array. During tcache initialization, the avail pointer in each + * element of tbins is initialized to point to the proper offset within + * this array. + */ +}; + +#endif /* JEMALLOC_H_STRUCTS */ +/******************************************************************************/ +#ifdef JEMALLOC_H_EXTERNS + +extern bool opt_tcache; +extern ssize_t opt_lg_tcache_max; + +extern tcache_bin_info_t *tcache_bin_info; + +/* + * Number of tcache bins. There are NBINS small-object bins, plus 0 or more + * large-object bins. + */ +extern size_t nhbins; + +/* Maximum cached size class. */ +extern size_t tcache_maxclass; + +size_t tcache_salloc(const void *ptr); +void tcache_event_hard(tcache_t *tcache); +void *tcache_alloc_small_hard(tcache_t *tcache, tcache_bin_t *tbin, + size_t binind); +void tcache_bin_flush_small(tcache_bin_t *tbin, size_t binind, unsigned rem, + tcache_t *tcache); +void tcache_bin_flush_large(tcache_bin_t *tbin, size_t binind, unsigned rem, + tcache_t *tcache); +void tcache_arena_associate(tcache_t *tcache, arena_t *arena); +void tcache_arena_dissociate(tcache_t *tcache); +tcache_t *tcache_create(arena_t *arena); +void tcache_destroy(tcache_t *tcache); +void tcache_thread_cleanup(void *arg); +void tcache_stats_merge(tcache_t *tcache, arena_t *arena); +bool tcache_boot0(void); +bool tcache_boot1(void); + +#endif /* JEMALLOC_H_EXTERNS */ +/******************************************************************************/ +#ifdef JEMALLOC_H_INLINES + +#ifndef JEMALLOC_ENABLE_INLINE +malloc_tsd_protos(JEMALLOC_ATTR(unused), tcache, tcache_t *) +malloc_tsd_protos(JEMALLOC_ATTR(unused), tcache_enabled, tcache_enabled_t) + +void tcache_event(tcache_t *tcache); +void tcache_flush(void); +bool tcache_enabled_get(void); +tcache_t *tcache_get(bool create); +void tcache_enabled_set(bool enabled); +void *tcache_alloc_easy(tcache_bin_t *tbin); +void *tcache_alloc_small(tcache_t *tcache, size_t size, bool zero); +void *tcache_alloc_large(tcache_t *tcache, size_t size, bool zero); +void tcache_dalloc_small(tcache_t *tcache, void *ptr, size_t binind); +void tcache_dalloc_large(tcache_t *tcache, void *ptr, size_t size); +#endif + +#if (defined(JEMALLOC_ENABLE_INLINE) || defined(JEMALLOC_TCACHE_C_)) +/* Map of thread-specific caches. */ +malloc_tsd_externs(tcache, tcache_t *) +malloc_tsd_funcs(JEMALLOC_INLINE, tcache, tcache_t *, NULL, + tcache_thread_cleanup) +/* Per thread flag that allows thread caches to be disabled. */ +malloc_tsd_externs(tcache_enabled, tcache_enabled_t) +malloc_tsd_funcs(JEMALLOC_INLINE, tcache_enabled, tcache_enabled_t, + tcache_enabled_default, malloc_tsd_no_cleanup) + +JEMALLOC_INLINE void +tcache_flush(void) +{ + tcache_t *tcache; + + cassert(config_tcache); + + tcache = *tcache_tsd_get(); + if ((uintptr_t)tcache <= (uintptr_t)TCACHE_STATE_MAX) + return; + tcache_destroy(tcache); + tcache = NULL; + tcache_tsd_set(&tcache); +} + +JEMALLOC_INLINE bool +tcache_enabled_get(void) +{ + tcache_enabled_t tcache_enabled; + + cassert(config_tcache); + + tcache_enabled = *tcache_enabled_tsd_get(); + if (tcache_enabled == tcache_enabled_default) { + tcache_enabled = (tcache_enabled_t)opt_tcache; + tcache_enabled_tsd_set(&tcache_enabled); + } + + return ((bool)tcache_enabled); +} + +JEMALLOC_INLINE void +tcache_enabled_set(bool enabled) +{ + tcache_enabled_t tcache_enabled; + tcache_t *tcache; + + cassert(config_tcache); + + tcache_enabled = (tcache_enabled_t)enabled; + tcache_enabled_tsd_set(&tcache_enabled); + tcache = *tcache_tsd_get(); + if (enabled) { + if (tcache == TCACHE_STATE_DISABLED) { + tcache = NULL; + tcache_tsd_set(&tcache); + } + } else /* disabled */ { + if (tcache > TCACHE_STATE_MAX) { + tcache_destroy(tcache); + tcache = NULL; + } + if (tcache == NULL) { + tcache = TCACHE_STATE_DISABLED; + tcache_tsd_set(&tcache); + } + } +} + +JEMALLOC_INLINE tcache_t * +tcache_get(bool create) +{ + tcache_t *tcache; + + if (config_tcache == false) + return (NULL); + if (config_lazy_lock && isthreaded == false) + return (NULL); + + tcache = *tcache_tsd_get(); + if ((uintptr_t)tcache <= (uintptr_t)TCACHE_STATE_MAX) { + if (tcache == TCACHE_STATE_DISABLED) + return (NULL); + if (tcache == NULL) { + if (create == false) { + /* + * Creating a tcache here would cause + * allocation as a side effect of free(). + * Ordinarily that would be okay since + * tcache_create() failure is a soft failure + * that doesn't propagate. However, if TLS + * data are freed via free() as in glibc, + * subtle corruption could result from setting + * a TLS variable after its backing memory is + * freed. + */ + return (NULL); + } + if (tcache_enabled_get() == false) { + tcache_enabled_set(false); /* Memoize. */ + return (NULL); + } + return (tcache_create(choose_arena(NULL))); + } + if (tcache == TCACHE_STATE_PURGATORY) { + /* + * Make a note that an allocator function was called + * after tcache_thread_cleanup() was called. + */ + tcache = TCACHE_STATE_REINCARNATED; + tcache_tsd_set(&tcache); + return (NULL); + } + if (tcache == TCACHE_STATE_REINCARNATED) + return (NULL); + not_reached(); + } + + return (tcache); +} + +JEMALLOC_INLINE void +tcache_event(tcache_t *tcache) +{ + + if (TCACHE_GC_INCR == 0) + return; + + tcache->ev_cnt++; + assert(tcache->ev_cnt <= TCACHE_GC_INCR); + if (tcache->ev_cnt == TCACHE_GC_INCR) + tcache_event_hard(tcache); +} + +JEMALLOC_INLINE void * +tcache_alloc_easy(tcache_bin_t *tbin) +{ + void *ret; + + if (tbin->ncached == 0) { + tbin->low_water = -1; + return (NULL); + } + tbin->ncached--; + if ((int)tbin->ncached < tbin->low_water) + tbin->low_water = tbin->ncached; + ret = tbin->avail[tbin->ncached]; + return (ret); +} + +JEMALLOC_INLINE void * +tcache_alloc_small(tcache_t *tcache, size_t size, bool zero) +{ + void *ret; + size_t binind; + tcache_bin_t *tbin; + + binind = SMALL_SIZE2BIN(size); + assert(binind < NBINS); + tbin = &tcache->tbins[binind]; + ret = tcache_alloc_easy(tbin); + if (ret == NULL) { + ret = tcache_alloc_small_hard(tcache, tbin, binind); + if (ret == NULL) + return (NULL); + } + assert(tcache_salloc(ret) == arena_bin_info[binind].reg_size); + + if (zero == false) { + if (config_fill) { + if (opt_junk) { + arena_alloc_junk_small(ret, + &arena_bin_info[binind], false); + } else if (opt_zero) + memset(ret, 0, size); + } + } else { + if (config_fill && opt_junk) { + arena_alloc_junk_small(ret, &arena_bin_info[binind], + true); + } + VALGRIND_MAKE_MEM_UNDEFINED(ret, size); + memset(ret, 0, size); + } + + if (config_stats) + tbin->tstats.nrequests++; + if (config_prof) + tcache->prof_accumbytes += arena_bin_info[binind].reg_size; + tcache_event(tcache); + return (ret); +} + +JEMALLOC_INLINE void * +tcache_alloc_large(tcache_t *tcache, size_t size, bool zero) +{ + void *ret; + size_t binind; + tcache_bin_t *tbin; + + size = PAGE_CEILING(size); + assert(size <= tcache_maxclass); + binind = NBINS + (size >> LG_PAGE) - 1; + assert(binind < nhbins); + tbin = &tcache->tbins[binind]; + ret = tcache_alloc_easy(tbin); + if (ret == NULL) { + /* + * Only allocate one large object at a time, because it's quite + * expensive to create one and not use it. + */ + ret = arena_malloc_large(tcache->arena, size, zero); + if (ret == NULL) + return (NULL); + } else { + if (config_prof && prof_promote && size == PAGE) { + arena_chunk_t *chunk = + (arena_chunk_t *)CHUNK_ADDR2BASE(ret); + size_t pageind = (((uintptr_t)ret - (uintptr_t)chunk) >> + LG_PAGE); + arena_mapbits_large_binind_set(chunk, pageind, + BININD_INVALID); + } + if (zero == false) { + if (config_fill) { + if (opt_junk) + memset(ret, 0xa5, size); + else if (opt_zero) + memset(ret, 0, size); + } + } else { + VALGRIND_MAKE_MEM_UNDEFINED(ret, size); + memset(ret, 0, size); + } + + if (config_stats) + tbin->tstats.nrequests++; + if (config_prof) + tcache->prof_accumbytes += size; + } + + tcache_event(tcache); + return (ret); +} + +JEMALLOC_INLINE void +tcache_dalloc_small(tcache_t *tcache, void *ptr, size_t binind) +{ + tcache_bin_t *tbin; + tcache_bin_info_t *tbin_info; + + assert(tcache_salloc(ptr) <= SMALL_MAXCLASS); + + if (config_fill && opt_junk) + arena_dalloc_junk_small(ptr, &arena_bin_info[binind]); + + tbin = &tcache->tbins[binind]; + tbin_info = &tcache_bin_info[binind]; + if (tbin->ncached == tbin_info->ncached_max) { + tcache_bin_flush_small(tbin, binind, (tbin_info->ncached_max >> + 1), tcache); + } + assert(tbin->ncached < tbin_info->ncached_max); + tbin->avail[tbin->ncached] = ptr; + tbin->ncached++; + + tcache_event(tcache); +} + +JEMALLOC_INLINE void +tcache_dalloc_large(tcache_t *tcache, void *ptr, size_t size) +{ + size_t binind; + tcache_bin_t *tbin; + tcache_bin_info_t *tbin_info; + + assert((size & PAGE_MASK) == 0); + assert(tcache_salloc(ptr) > SMALL_MAXCLASS); + assert(tcache_salloc(ptr) <= tcache_maxclass); + + binind = NBINS + (size >> LG_PAGE) - 1; + + if (config_fill && opt_junk) + memset(ptr, 0x5a, size); + + tbin = &tcache->tbins[binind]; + tbin_info = &tcache_bin_info[binind]; + if (tbin->ncached == tbin_info->ncached_max) { + tcache_bin_flush_large(tbin, binind, (tbin_info->ncached_max >> + 1), tcache); + } + assert(tbin->ncached < tbin_info->ncached_max); + tbin->avail[tbin->ncached] = ptr; + tbin->ncached++; + + tcache_event(tcache); +} +#endif + +#endif /* JEMALLOC_H_INLINES */ +/******************************************************************************/ diff --git a/deps/jemalloc/include/jemalloc/internal/tsd.h b/deps/jemalloc/include/jemalloc/internal/tsd.h new file mode 100644 index 0000000..0037cf3 --- /dev/null +++ b/deps/jemalloc/include/jemalloc/internal/tsd.h @@ -0,0 +1,397 @@ +/******************************************************************************/ +#ifdef JEMALLOC_H_TYPES + +/* Maximum number of malloc_tsd users with cleanup functions. */ +#define MALLOC_TSD_CLEANUPS_MAX 8 + +typedef bool (*malloc_tsd_cleanup_t)(void); + +/* + * TLS/TSD-agnostic macro-based implementation of thread-specific data. There + * are four macros that support (at least) three use cases: file-private, + * library-private, and library-private inlined. Following is an example + * library-private tsd variable: + * + * In example.h: + * typedef struct { + * int x; + * int y; + * } example_t; + * #define EX_INITIALIZER JEMALLOC_CONCAT({0, 0}) + * malloc_tsd_protos(, example, example_t *) + * malloc_tsd_externs(example, example_t *) + * In example.c: + * malloc_tsd_data(, example, example_t *, EX_INITIALIZER) + * malloc_tsd_funcs(, example, example_t *, EX_INITIALIZER, + * example_tsd_cleanup) + * + * The result is a set of generated functions, e.g.: + * + * bool example_tsd_boot(void) {...} + * example_t **example_tsd_get() {...} + * void example_tsd_set(example_t **val) {...} + * + * Note that all of the functions deal in terms of (a_type *) rather than + * (a_type) so that it is possible to support non-pointer types (unlike + * pthreads TSD). example_tsd_cleanup() is passed an (a_type *) pointer that is + * cast to (void *). This means that the cleanup function needs to cast *and* + * dereference the function argument, e.g.: + * + * void + * example_tsd_cleanup(void *arg) + * { + * example_t *example = *(example_t **)arg; + * + * [...] + * if ([want the cleanup function to be called again]) { + * example_tsd_set(&example); + * } + * } + * + * If example_tsd_set() is called within example_tsd_cleanup(), it will be + * called again. This is similar to how pthreads TSD destruction works, except + * that pthreads only calls the cleanup function again if the value was set to + * non-NULL. + */ + +/* malloc_tsd_protos(). */ +#define malloc_tsd_protos(a_attr, a_name, a_type) \ +a_attr bool \ +a_name##_tsd_boot(void); \ +a_attr a_type * \ +a_name##_tsd_get(void); \ +a_attr void \ +a_name##_tsd_set(a_type *val); + +/* malloc_tsd_externs(). */ +#ifdef JEMALLOC_MALLOC_THREAD_CLEANUP +#define malloc_tsd_externs(a_name, a_type) \ +extern __thread a_type a_name##_tls; \ +extern __thread bool a_name##_initialized; \ +extern bool a_name##_booted; +#elif (defined(JEMALLOC_TLS)) +#define malloc_tsd_externs(a_name, a_type) \ +extern __thread a_type a_name##_tls; \ +extern pthread_key_t a_name##_tsd; \ +extern bool a_name##_booted; +#elif (defined(_WIN32)) +#define malloc_tsd_externs(a_name, a_type) \ +extern DWORD a_name##_tsd; \ +extern bool a_name##_booted; +#else +#define malloc_tsd_externs(a_name, a_type) \ +extern pthread_key_t a_name##_tsd; \ +extern bool a_name##_booted; +#endif + +/* malloc_tsd_data(). */ +#ifdef JEMALLOC_MALLOC_THREAD_CLEANUP +#define malloc_tsd_data(a_attr, a_name, a_type, a_initializer) \ +a_attr __thread a_type JEMALLOC_TLS_MODEL \ + a_name##_tls = a_initializer; \ +a_attr __thread bool JEMALLOC_TLS_MODEL \ + a_name##_initialized = false; \ +a_attr bool a_name##_booted = false; +#elif (defined(JEMALLOC_TLS)) +#define malloc_tsd_data(a_attr, a_name, a_type, a_initializer) \ +a_attr __thread a_type JEMALLOC_TLS_MODEL \ + a_name##_tls = a_initializer; \ +a_attr pthread_key_t a_name##_tsd; \ +a_attr bool a_name##_booted = false; +#elif (defined(_WIN32)) +#define malloc_tsd_data(a_attr, a_name, a_type, a_initializer) \ +a_attr DWORD a_name##_tsd; \ +a_attr bool a_name##_booted = false; +#else +#define malloc_tsd_data(a_attr, a_name, a_type, a_initializer) \ +a_attr pthread_key_t a_name##_tsd; \ +a_attr bool a_name##_booted = false; +#endif + +/* malloc_tsd_funcs(). */ +#ifdef JEMALLOC_MALLOC_THREAD_CLEANUP +#define malloc_tsd_funcs(a_attr, a_name, a_type, a_initializer, \ + a_cleanup) \ +/* Initialization/cleanup. */ \ +a_attr bool \ +a_name##_tsd_cleanup_wrapper(void) \ +{ \ + \ + if (a_name##_initialized) { \ + a_name##_initialized = false; \ + a_cleanup(&a_name##_tls); \ + } \ + return (a_name##_initialized); \ +} \ +a_attr bool \ +a_name##_tsd_boot(void) \ +{ \ + \ + if (a_cleanup != malloc_tsd_no_cleanup) { \ + malloc_tsd_cleanup_register( \ + &a_name##_tsd_cleanup_wrapper); \ + } \ + a_name##_booted = true; \ + return (false); \ +} \ +/* Get/set. */ \ +a_attr a_type * \ +a_name##_tsd_get(void) \ +{ \ + \ + assert(a_name##_booted); \ + return (&a_name##_tls); \ +} \ +a_attr void \ +a_name##_tsd_set(a_type *val) \ +{ \ + \ + assert(a_name##_booted); \ + a_name##_tls = (*val); \ + if (a_cleanup != malloc_tsd_no_cleanup) \ + a_name##_initialized = true; \ +} +#elif (defined(JEMALLOC_TLS)) +#define malloc_tsd_funcs(a_attr, a_name, a_type, a_initializer, \ + a_cleanup) \ +/* Initialization/cleanup. */ \ +a_attr bool \ +a_name##_tsd_boot(void) \ +{ \ + \ + if (a_cleanup != malloc_tsd_no_cleanup) { \ + if (pthread_key_create(&a_name##_tsd, a_cleanup) != 0) \ + return (true); \ + } \ + a_name##_booted = true; \ + return (false); \ +} \ +/* Get/set. */ \ +a_attr a_type * \ +a_name##_tsd_get(void) \ +{ \ + \ + assert(a_name##_booted); \ + return (&a_name##_tls); \ +} \ +a_attr void \ +a_name##_tsd_set(a_type *val) \ +{ \ + \ + assert(a_name##_booted); \ + a_name##_tls = (*val); \ + if (a_cleanup != malloc_tsd_no_cleanup) { \ + if (pthread_setspecific(a_name##_tsd, \ + (void *)(&a_name##_tls))) { \ + malloc_write(": Error" \ + " setting TSD for "#a_name"\n"); \ + if (opt_abort) \ + abort(); \ + } \ + } \ +} +#elif (defined(_WIN32)) +#define malloc_tsd_funcs(a_attr, a_name, a_type, a_initializer, \ + a_cleanup) \ +/* Data structure. */ \ +typedef struct { \ + bool initialized; \ + a_type val; \ +} a_name##_tsd_wrapper_t; \ +/* Initialization/cleanup. */ \ +a_attr bool \ +a_name##_tsd_cleanup_wrapper(void) \ +{ \ + a_name##_tsd_wrapper_t *wrapper; \ + \ + wrapper = (a_name##_tsd_wrapper_t *) TlsGetValue(a_name##_tsd); \ + if (wrapper == NULL) \ + return (false); \ + if (a_cleanup != malloc_tsd_no_cleanup && \ + wrapper->initialized) { \ + a_type val = wrapper->val; \ + a_type tsd_static_data = a_initializer; \ + wrapper->initialized = false; \ + wrapper->val = tsd_static_data; \ + a_cleanup(&val); \ + if (wrapper->initialized) { \ + /* Trigger another cleanup round. */ \ + return (true); \ + } \ + } \ + malloc_tsd_dalloc(wrapper); \ + return (false); \ +} \ +a_attr bool \ +a_name##_tsd_boot(void) \ +{ \ + \ + a_name##_tsd = TlsAlloc(); \ + if (a_name##_tsd == TLS_OUT_OF_INDEXES) \ + return (true); \ + if (a_cleanup != malloc_tsd_no_cleanup) { \ + malloc_tsd_cleanup_register( \ + &a_name##_tsd_cleanup_wrapper); \ + } \ + a_name##_booted = true; \ + return (false); \ +} \ +/* Get/set. */ \ +a_attr a_name##_tsd_wrapper_t * \ +a_name##_tsd_get_wrapper(void) \ +{ \ + a_name##_tsd_wrapper_t *wrapper = (a_name##_tsd_wrapper_t *) \ + TlsGetValue(a_name##_tsd); \ + \ + if (wrapper == NULL) { \ + wrapper = (a_name##_tsd_wrapper_t *) \ + malloc_tsd_malloc(sizeof(a_name##_tsd_wrapper_t)); \ + if (wrapper == NULL) { \ + malloc_write(": Error allocating" \ + " TSD for "#a_name"\n"); \ + abort(); \ + } else { \ + static a_type tsd_static_data = a_initializer; \ + wrapper->initialized = false; \ + wrapper->val = tsd_static_data; \ + } \ + if (!TlsSetValue(a_name##_tsd, (void *)wrapper)) { \ + malloc_write(": Error setting" \ + " TSD for "#a_name"\n"); \ + abort(); \ + } \ + } \ + return (wrapper); \ +} \ +a_attr a_type * \ +a_name##_tsd_get(void) \ +{ \ + a_name##_tsd_wrapper_t *wrapper; \ + \ + assert(a_name##_booted); \ + wrapper = a_name##_tsd_get_wrapper(); \ + return (&wrapper->val); \ +} \ +a_attr void \ +a_name##_tsd_set(a_type *val) \ +{ \ + a_name##_tsd_wrapper_t *wrapper; \ + \ + assert(a_name##_booted); \ + wrapper = a_name##_tsd_get_wrapper(); \ + wrapper->val = *(val); \ + if (a_cleanup != malloc_tsd_no_cleanup) \ + wrapper->initialized = true; \ +} +#else +#define malloc_tsd_funcs(a_attr, a_name, a_type, a_initializer, \ + a_cleanup) \ +/* Data structure. */ \ +typedef struct { \ + bool initialized; \ + a_type val; \ +} a_name##_tsd_wrapper_t; \ +/* Initialization/cleanup. */ \ +a_attr void \ +a_name##_tsd_cleanup_wrapper(void *arg) \ +{ \ + a_name##_tsd_wrapper_t *wrapper = (a_name##_tsd_wrapper_t *)arg;\ + \ + if (a_cleanup != malloc_tsd_no_cleanup && \ + wrapper->initialized) { \ + wrapper->initialized = false; \ + a_cleanup(&wrapper->val); \ + if (wrapper->initialized) { \ + /* Trigger another cleanup round. */ \ + if (pthread_setspecific(a_name##_tsd, \ + (void *)wrapper)) { \ + malloc_write(": Error" \ + " setting TSD for "#a_name"\n"); \ + if (opt_abort) \ + abort(); \ + } \ + return; \ + } \ + } \ + malloc_tsd_dalloc(wrapper); \ +} \ +a_attr bool \ +a_name##_tsd_boot(void) \ +{ \ + \ + if (pthread_key_create(&a_name##_tsd, \ + a_name##_tsd_cleanup_wrapper) != 0) \ + return (true); \ + a_name##_booted = true; \ + return (false); \ +} \ +/* Get/set. */ \ +a_attr a_name##_tsd_wrapper_t * \ +a_name##_tsd_get_wrapper(void) \ +{ \ + a_name##_tsd_wrapper_t *wrapper = (a_name##_tsd_wrapper_t *) \ + pthread_getspecific(a_name##_tsd); \ + \ + if (wrapper == NULL) { \ + wrapper = (a_name##_tsd_wrapper_t *) \ + malloc_tsd_malloc(sizeof(a_name##_tsd_wrapper_t)); \ + if (wrapper == NULL) { \ + malloc_write(": Error allocating" \ + " TSD for "#a_name"\n"); \ + abort(); \ + } else { \ + static a_type tsd_static_data = a_initializer; \ + wrapper->initialized = false; \ + wrapper->val = tsd_static_data; \ + } \ + if (pthread_setspecific(a_name##_tsd, \ + (void *)wrapper)) { \ + malloc_write(": Error setting" \ + " TSD for "#a_name"\n"); \ + abort(); \ + } \ + } \ + return (wrapper); \ +} \ +a_attr a_type * \ +a_name##_tsd_get(void) \ +{ \ + a_name##_tsd_wrapper_t *wrapper; \ + \ + assert(a_name##_booted); \ + wrapper = a_name##_tsd_get_wrapper(); \ + return (&wrapper->val); \ +} \ +a_attr void \ +a_name##_tsd_set(a_type *val) \ +{ \ + a_name##_tsd_wrapper_t *wrapper; \ + \ + assert(a_name##_booted); \ + wrapper = a_name##_tsd_get_wrapper(); \ + wrapper->val = *(val); \ + if (a_cleanup != malloc_tsd_no_cleanup) \ + wrapper->initialized = true; \ +} +#endif + +#endif /* JEMALLOC_H_TYPES */ +/******************************************************************************/ +#ifdef JEMALLOC_H_STRUCTS + +#endif /* JEMALLOC_H_STRUCTS */ +/******************************************************************************/ +#ifdef JEMALLOC_H_EXTERNS + +void *malloc_tsd_malloc(size_t size); +void malloc_tsd_dalloc(void *wrapper); +void malloc_tsd_no_cleanup(void *); +void malloc_tsd_cleanup_register(bool (*f)(void)); +void malloc_tsd_boot(void); + +#endif /* JEMALLOC_H_EXTERNS */ +/******************************************************************************/ +#ifdef JEMALLOC_H_INLINES + +#endif /* JEMALLOC_H_INLINES */ +/******************************************************************************/ diff --git a/deps/jemalloc/include/jemalloc/internal/util.h b/deps/jemalloc/include/jemalloc/internal/util.h new file mode 100644 index 0000000..8479693 --- /dev/null +++ b/deps/jemalloc/include/jemalloc/internal/util.h @@ -0,0 +1,160 @@ +/******************************************************************************/ +#ifdef JEMALLOC_H_TYPES + +/* Size of stack-allocated buffer passed to buferror(). */ +#define BUFERROR_BUF 64 + +/* + * Size of stack-allocated buffer used by malloc_{,v,vc}printf(). This must be + * large enough for all possible uses within jemalloc. + */ +#define MALLOC_PRINTF_BUFSIZE 4096 + +/* + * Wrap a cpp argument that contains commas such that it isn't broken up into + * multiple arguments. + */ +#define JEMALLOC_CONCAT(...) __VA_ARGS__ + +/* + * Silence compiler warnings due to uninitialized values. This is used + * wherever the compiler fails to recognize that the variable is never used + * uninitialized. + */ +#ifdef JEMALLOC_CC_SILENCE +# define JEMALLOC_CC_SILENCE_INIT(v) = v +#else +# define JEMALLOC_CC_SILENCE_INIT(v) +#endif + +/* + * Define a custom assert() in order to reduce the chances of deadlock during + * assertion failure. + */ +#ifndef assert +#define assert(e) do { \ + if (config_debug && !(e)) { \ + malloc_printf( \ + ": %s:%d: Failed assertion: \"%s\"\n", \ + __FILE__, __LINE__, #e); \ + abort(); \ + } \ +} while (0) +#endif + +/* Use to assert a particular configuration, e.g., cassert(config_debug). */ +#define cassert(c) do { \ + if ((c) == false) \ + assert(false); \ +} while (0) + +#ifndef not_reached +#define not_reached() do { \ + if (config_debug) { \ + malloc_printf( \ + ": %s:%d: Unreachable code reached\n", \ + __FILE__, __LINE__); \ + abort(); \ + } \ +} while (0) +#endif + +#ifndef not_implemented +#define not_implemented() do { \ + if (config_debug) { \ + malloc_printf(": %s:%d: Not implemented\n", \ + __FILE__, __LINE__); \ + abort(); \ + } \ +} while (0) +#endif + +#define assert_not_implemented(e) do { \ + if (config_debug && !(e)) \ + not_implemented(); \ +} while (0) + +#endif /* JEMALLOC_H_TYPES */ +/******************************************************************************/ +#ifdef JEMALLOC_H_STRUCTS + +#endif /* JEMALLOC_H_STRUCTS */ +/******************************************************************************/ +#ifdef JEMALLOC_H_EXTERNS + +int buferror(char *buf, size_t buflen); +uintmax_t malloc_strtoumax(const char *nptr, char **endptr, int base); +void malloc_write(const char *s); + +/* + * malloc_vsnprintf() supports a subset of snprintf(3) that avoids floating + * point math. + */ +int malloc_vsnprintf(char *str, size_t size, const char *format, + va_list ap); +int malloc_snprintf(char *str, size_t size, const char *format, ...) + JEMALLOC_ATTR(format(printf, 3, 4)); +void malloc_vcprintf(void (*write_cb)(void *, const char *), void *cbopaque, + const char *format, va_list ap); +void malloc_cprintf(void (*write)(void *, const char *), void *cbopaque, + const char *format, ...) JEMALLOC_ATTR(format(printf, 3, 4)); +void malloc_printf(const char *format, ...) + JEMALLOC_ATTR(format(printf, 1, 2)); + +#endif /* JEMALLOC_H_EXTERNS */ +/******************************************************************************/ +#ifdef JEMALLOC_H_INLINES + +#ifndef JEMALLOC_ENABLE_INLINE +size_t pow2_ceil(size_t x); +void malloc_write(const char *s); +void set_errno(int errnum); +int get_errno(void); +#endif + +#if (defined(JEMALLOC_ENABLE_INLINE) || defined(JEMALLOC_UTIL_C_)) +/* Compute the smallest power of 2 that is >= x. */ +JEMALLOC_INLINE size_t +pow2_ceil(size_t x) +{ + + x--; + x |= x >> 1; + x |= x >> 2; + x |= x >> 4; + x |= x >> 8; + x |= x >> 16; +#if (LG_SIZEOF_PTR == 3) + x |= x >> 32; +#endif + x++; + return (x); +} + +/* Sets error code */ +JEMALLOC_INLINE void +set_errno(int errnum) +{ + +#ifdef _WIN32 + SetLastError(errnum); +#else + errno = errnum; +#endif +} + +/* Get last error code */ +JEMALLOC_INLINE int +get_errno(void) +{ + +#ifdef _WIN32 + return (GetLastError()); +#else + return (errno); +#endif +} +#endif + +#endif /* JEMALLOC_H_INLINES */ +/******************************************************************************/ diff --git a/deps/jemalloc/include/jemalloc/jemalloc.h.in b/deps/jemalloc/include/jemalloc/jemalloc.h.in new file mode 100644 index 0000000..31b1304 --- /dev/null +++ b/deps/jemalloc/include/jemalloc/jemalloc.h.in @@ -0,0 +1,157 @@ +#ifndef JEMALLOC_H_ +#define JEMALLOC_H_ +#ifdef __cplusplus +extern "C" { +#endif + +#include +#include + +#define JEMALLOC_VERSION "@jemalloc_version@" +#define JEMALLOC_VERSION_MAJOR @jemalloc_version_major@ +#define JEMALLOC_VERSION_MINOR @jemalloc_version_minor@ +#define JEMALLOC_VERSION_BUGFIX @jemalloc_version_bugfix@ +#define JEMALLOC_VERSION_NREV @jemalloc_version_nrev@ +#define JEMALLOC_VERSION_GID "@jemalloc_version_gid@" + +#include "jemalloc_defs@install_suffix@.h" + +#ifdef JEMALLOC_EXPERIMENTAL +#define ALLOCM_LG_ALIGN(la) (la) +#if LG_SIZEOF_PTR == 2 +#define ALLOCM_ALIGN(a) (ffs(a)-1) +#else +#define ALLOCM_ALIGN(a) ((a < (size_t)INT_MAX) ? ffs(a)-1 : ffs(a>>32)+31) +#endif +#define ALLOCM_ZERO ((int)0x40) +#define ALLOCM_NO_MOVE ((int)0x80) +/* Bias arena index bits so that 0 encodes "ALLOCM_ARENA() unspecified". */ +#define ALLOCM_ARENA(a) ((int)(((a)+1) << 8)) + +#define ALLOCM_SUCCESS 0 +#define ALLOCM_ERR_OOM 1 +#define ALLOCM_ERR_NOT_MOVED 2 +#endif + +/* + * The je_ prefix on the following public symbol declarations is an artifact of + * namespace management, and should be omitted in application code unless + * JEMALLOC_NO_DEMANGLE is defined (see below). + */ +extern JEMALLOC_EXPORT const char *je_malloc_conf; +extern JEMALLOC_EXPORT void (*je_malloc_message)(void *cbopaque, + const char *s); + +JEMALLOC_EXPORT void *je_malloc(size_t size) JEMALLOC_ATTR(malloc); +JEMALLOC_EXPORT void *je_calloc(size_t num, size_t size) + JEMALLOC_ATTR(malloc); +JEMALLOC_EXPORT int je_posix_memalign(void **memptr, size_t alignment, + size_t size) JEMALLOC_ATTR(nonnull(1)); +JEMALLOC_EXPORT void *je_aligned_alloc(size_t alignment, size_t size) + JEMALLOC_ATTR(malloc); +JEMALLOC_EXPORT void *je_realloc(void *ptr, size_t size); +JEMALLOC_EXPORT void je_free(void *ptr); + +#ifdef JEMALLOC_OVERRIDE_MEMALIGN +JEMALLOC_EXPORT void * je_memalign(size_t alignment, size_t size) + JEMALLOC_ATTR(malloc); +#endif + +#ifdef JEMALLOC_OVERRIDE_VALLOC +JEMALLOC_EXPORT void * je_valloc(size_t size) JEMALLOC_ATTR(malloc); +#endif + +JEMALLOC_EXPORT size_t je_malloc_usable_size( + JEMALLOC_USABLE_SIZE_CONST void *ptr); +JEMALLOC_EXPORT void je_malloc_stats_print(void (*write_cb)(void *, + const char *), void *je_cbopaque, const char *opts); +JEMALLOC_EXPORT int je_mallctl(const char *name, void *oldp, + size_t *oldlenp, void *newp, size_t newlen); +JEMALLOC_EXPORT int je_mallctlnametomib(const char *name, size_t *mibp, + size_t *miblenp); +JEMALLOC_EXPORT int je_mallctlbymib(const size_t *mib, size_t miblen, + void *oldp, size_t *oldlenp, void *newp, size_t newlen); + +#ifdef JEMALLOC_EXPERIMENTAL +JEMALLOC_EXPORT int je_allocm(void **ptr, size_t *rsize, size_t size, + int flags) JEMALLOC_ATTR(nonnull(1)); +JEMALLOC_EXPORT int je_rallocm(void **ptr, size_t *rsize, size_t size, + size_t extra, int flags) JEMALLOC_ATTR(nonnull(1)); +JEMALLOC_EXPORT int je_sallocm(const void *ptr, size_t *rsize, int flags) + JEMALLOC_ATTR(nonnull(1)); +JEMALLOC_EXPORT int je_dallocm(void *ptr, int flags) + JEMALLOC_ATTR(nonnull(1)); +JEMALLOC_EXPORT int je_nallocm(size_t *rsize, size_t size, int flags); +#endif + +/* + * By default application code must explicitly refer to mangled symbol names, + * so that it is possible to use jemalloc in conjunction with another allocator + * in the same application. Define JEMALLOC_MANGLE in order to cause automatic + * name mangling that matches the API prefixing that happened as a result of + * --with-mangling and/or --with-jemalloc-prefix configuration settings. + */ +#ifdef JEMALLOC_MANGLE +#ifndef JEMALLOC_NO_DEMANGLE +#define JEMALLOC_NO_DEMANGLE +#endif +#define malloc_conf je_malloc_conf +#define malloc_message je_malloc_message +#define malloc je_malloc +#define calloc je_calloc +#define posix_memalign je_posix_memalign +#define aligned_alloc je_aligned_alloc +#define realloc je_realloc +#define free je_free +#define malloc_usable_size je_malloc_usable_size +#define malloc_stats_print je_malloc_stats_print +#define mallctl je_mallctl +#define mallctlnametomib je_mallctlnametomib +#define mallctlbymib je_mallctlbymib +#define memalign je_memalign +#define valloc je_valloc +#ifdef JEMALLOC_EXPERIMENTAL +#define allocm je_allocm +#define rallocm je_rallocm +#define sallocm je_sallocm +#define dallocm je_dallocm +#define nallocm je_nallocm +#endif +#endif + +/* + * The je_* macros can be used as stable alternative names for the public + * jemalloc API if JEMALLOC_NO_DEMANGLE is defined. This is primarily meant + * for use in jemalloc itself, but it can be used by application code to + * provide isolation from the name mangling specified via --with-mangling + * and/or --with-jemalloc-prefix. + */ +#ifndef JEMALLOC_NO_DEMANGLE +#undef je_malloc_conf +#undef je_malloc_message +#undef je_malloc +#undef je_calloc +#undef je_posix_memalign +#undef je_aligned_alloc +#undef je_realloc +#undef je_free +#undef je_malloc_usable_size +#undef je_malloc_stats_print +#undef je_mallctl +#undef je_mallctlnametomib +#undef je_mallctlbymib +#undef je_memalign +#undef je_valloc +#ifdef JEMALLOC_EXPERIMENTAL +#undef je_allocm +#undef je_rallocm +#undef je_sallocm +#undef je_dallocm +#undef je_nallocm +#endif +#endif + +#ifdef __cplusplus +}; +#endif +#endif /* JEMALLOC_H_ */ diff --git a/deps/jemalloc/include/jemalloc/jemalloc_defs.h.in b/deps/jemalloc/include/jemalloc/jemalloc_defs.h.in new file mode 100644 index 0000000..1cd6025 --- /dev/null +++ b/deps/jemalloc/include/jemalloc/jemalloc_defs.h.in @@ -0,0 +1,262 @@ +/* + * If JEMALLOC_PREFIX is defined via --with-jemalloc-prefix, it will cause all + * public APIs to be prefixed. This makes it possible, with some care, to use + * multiple allocators simultaneously. + */ +#undef JEMALLOC_PREFIX +#undef JEMALLOC_CPREFIX + +/* + * Name mangling for public symbols is controlled by --with-mangling and + * --with-jemalloc-prefix. With default settings the je_ prefix is stripped by + * these macro definitions. + */ +#undef je_malloc_conf +#undef je_malloc_message +#undef je_malloc +#undef je_calloc +#undef je_posix_memalign +#undef je_aligned_alloc +#undef je_realloc +#undef je_free +#undef je_malloc_usable_size +#undef je_malloc_stats_print +#undef je_mallctl +#undef je_mallctlnametomib +#undef je_mallctlbymib +#undef je_memalign +#undef je_valloc +#undef je_allocm +#undef je_rallocm +#undef je_sallocm +#undef je_dallocm +#undef je_nallocm + +/* + * JEMALLOC_PRIVATE_NAMESPACE is used as a prefix for all library-private APIs. + * For shared libraries, symbol visibility mechanisms prevent these symbols + * from being exported, but for static libraries, naming collisions are a real + * possibility. + */ +#undef JEMALLOC_PRIVATE_NAMESPACE +#undef JEMALLOC_N + +/* + * Hyper-threaded CPUs may need a special instruction inside spin loops in + * order to yield to another virtual CPU. + */ +#undef CPU_SPINWAIT + +/* Defined if the equivalent of FreeBSD's atomic(9) functions are available. */ +#undef JEMALLOC_ATOMIC9 + +/* + * Defined if OSAtomic*() functions are available, as provided by Darwin, and + * documented in the atomic(3) manual page. + */ +#undef JEMALLOC_OSATOMIC + +/* + * Defined if __sync_add_and_fetch(uint32_t *, uint32_t) and + * __sync_sub_and_fetch(uint32_t *, uint32_t) are available, despite + * __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4 not being defined (which means the + * functions are defined in libgcc instead of being inlines) + */ +#undef JE_FORCE_SYNC_COMPARE_AND_SWAP_4 + +/* + * Defined if __sync_add_and_fetch(uint64_t *, uint64_t) and + * __sync_sub_and_fetch(uint64_t *, uint64_t) are available, despite + * __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8 not being defined (which means the + * functions are defined in libgcc instead of being inlines) + */ +#undef JE_FORCE_SYNC_COMPARE_AND_SWAP_8 + +/* + * Defined if OSSpin*() functions are available, as provided by Darwin, and + * documented in the spinlock(3) manual page. + */ +#undef JEMALLOC_OSSPIN + +/* + * Defined if _malloc_thread_cleanup() exists. At least in the case of + * FreeBSD, pthread_key_create() allocates, which if used during malloc + * bootstrapping will cause recursion into the pthreads library. Therefore, if + * _malloc_thread_cleanup() exists, use it as the basis for thread cleanup in + * malloc_tsd. + */ +#undef JEMALLOC_MALLOC_THREAD_CLEANUP + +/* + * Defined if threaded initialization is known to be safe on this platform. + * Among other things, it must be possible to initialize a mutex without + * triggering allocation in order for threaded allocation to be safe. + */ +#undef JEMALLOC_THREADED_INIT + +/* + * Defined if the pthreads implementation defines + * _pthread_mutex_init_calloc_cb(), in which case the function is used in order + * to avoid recursive allocation during mutex initialization. + */ +#undef JEMALLOC_MUTEX_INIT_CB + +/* Defined if __attribute__((...)) syntax is supported. */ +#undef JEMALLOC_HAVE_ATTR +#ifdef JEMALLOC_HAVE_ATTR +# define JEMALLOC_ATTR(s) __attribute__((s)) +# define JEMALLOC_EXPORT JEMALLOC_ATTR(visibility("default")) +# define JEMALLOC_ALIGNED(s) JEMALLOC_ATTR(aligned(s)) +# define JEMALLOC_SECTION(s) JEMALLOC_ATTR(section(s)) +# define JEMALLOC_NOINLINE JEMALLOC_ATTR(noinline) +#elif _MSC_VER +# define JEMALLOC_ATTR(s) +# ifdef DLLEXPORT +# define JEMALLOC_EXPORT __declspec(dllexport) +# else +# define JEMALLOC_EXPORT __declspec(dllimport) +# endif +# define JEMALLOC_ALIGNED(s) __declspec(align(s)) +# define JEMALLOC_SECTION(s) __declspec(allocate(s)) +# define JEMALLOC_NOINLINE __declspec(noinline) +#else +# define JEMALLOC_ATTR(s) +# define JEMALLOC_EXPORT +# define JEMALLOC_ALIGNED(s) +# define JEMALLOC_SECTION(s) +# define JEMALLOC_NOINLINE +#endif + +/* Defined if sbrk() is supported. */ +#undef JEMALLOC_HAVE_SBRK + +/* Non-empty if the tls_model attribute is supported. */ +#undef JEMALLOC_TLS_MODEL + +/* JEMALLOC_CC_SILENCE enables code that silences unuseful compiler warnings. */ +#undef JEMALLOC_CC_SILENCE + +/* + * JEMALLOC_DEBUG enables assertions and other sanity checks, and disables + * inline functions. + */ +#undef JEMALLOC_DEBUG + +/* JEMALLOC_STATS enables statistics calculation. */ +#undef JEMALLOC_STATS + +/* JEMALLOC_PROF enables allocation profiling. */ +#undef JEMALLOC_PROF + +/* Use libunwind for profile backtracing if defined. */ +#undef JEMALLOC_PROF_LIBUNWIND + +/* Use libgcc for profile backtracing if defined. */ +#undef JEMALLOC_PROF_LIBGCC + +/* Use gcc intrinsics for profile backtracing if defined. */ +#undef JEMALLOC_PROF_GCC + +/* + * JEMALLOC_TCACHE enables a thread-specific caching layer for small objects. + * This makes it possible to allocate/deallocate objects without any locking + * when the cache is in the steady state. + */ +#undef JEMALLOC_TCACHE + +/* + * JEMALLOC_DSS enables use of sbrk(2) to allocate chunks from the data storage + * segment (DSS). + */ +#undef JEMALLOC_DSS + +/* Support memory filling (junk/zero/quarantine/redzone). */ +#undef JEMALLOC_FILL + +/* Support the experimental API. */ +#undef JEMALLOC_EXPERIMENTAL + +/* Support utrace(2)-based tracing. */ +#undef JEMALLOC_UTRACE + +/* Support Valgrind. */ +#undef JEMALLOC_VALGRIND + +/* Support optional abort() on OOM. */ +#undef JEMALLOC_XMALLOC + +/* Support lazy locking (avoid locking unless a second thread is launched). */ +#undef JEMALLOC_LAZY_LOCK + +/* One page is 2^STATIC_PAGE_SHIFT bytes. */ +#undef STATIC_PAGE_SHIFT + +/* + * If defined, use munmap() to unmap freed chunks, rather than storing them for + * later reuse. This is disabled by default on Linux because common sequences + * of mmap()/munmap() calls will cause virtual memory map holes. + */ +#undef JEMALLOC_MUNMAP + +/* + * If defined, use mremap(...MREMAP_FIXED...) for huge realloc(). This is + * disabled by default because it is Linux-specific and it will cause virtual + * memory map holes, much like munmap(2) does. + */ +#undef JEMALLOC_MREMAP + +/* TLS is used to map arenas and magazine caches to threads. */ +#undef JEMALLOC_TLS + +/* + * JEMALLOC_IVSALLOC enables ivsalloc(), which verifies that pointers reside + * within jemalloc-owned chunks before dereferencing them. + */ +#undef JEMALLOC_IVSALLOC + +/* + * Define overrides for non-standard allocator-related functions if they + * are present on the system. + */ +#undef JEMALLOC_OVERRIDE_MEMALIGN +#undef JEMALLOC_OVERRIDE_VALLOC + +/* + * At least Linux omits the "const" in: + * + * size_t malloc_usable_size(const void *ptr); + * + * Match the operating system's prototype. + */ +#undef JEMALLOC_USABLE_SIZE_CONST + +/* + * Darwin (OS X) uses zones to work around Mach-O symbol override shortcomings. + */ +#undef JEMALLOC_ZONE +#undef JEMALLOC_ZONE_VERSION + +/* + * Methods for purging unused pages differ between operating systems. + * + * madvise(..., MADV_DONTNEED) : On Linux, this immediately discards pages, + * such that new pages will be demand-zeroed if + * the address region is later touched. + * madvise(..., MADV_FREE) : On FreeBSD and Darwin, this marks pages as being + * unused, such that they will be discarded rather + * than swapped out. + */ +#undef JEMALLOC_PURGE_MADVISE_DONTNEED +#undef JEMALLOC_PURGE_MADVISE_FREE + +/* sizeof(void *) == 2^LG_SIZEOF_PTR. */ +#undef LG_SIZEOF_PTR + +/* sizeof(int) == 2^LG_SIZEOF_INT. */ +#undef LG_SIZEOF_INT + +/* sizeof(long) == 2^LG_SIZEOF_LONG. */ +#undef LG_SIZEOF_LONG + +/* sizeof(intmax_t) == 2^LG_SIZEOF_INTMAX_T. */ +#undef LG_SIZEOF_INTMAX_T diff --git a/deps/jemalloc/include/msvc_compat/inttypes.h b/deps/jemalloc/include/msvc_compat/inttypes.h new file mode 100644 index 0000000..a4e6b75 --- /dev/null +++ b/deps/jemalloc/include/msvc_compat/inttypes.h @@ -0,0 +1,313 @@ +// ISO C9x compliant inttypes.h for Microsoft Visual Studio +// Based on ISO/IEC 9899:TC2 Committee draft (May 6, 2005) WG14/N1124 +// +// Copyright (c) 2006 Alexander Chemeris +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are met: +// +// 1. Redistributions of source code must retain the above copyright notice, +// this list of conditions and the following disclaimer. +// +// 2. Redistributions in binary form must reproduce the above copyright +// notice, this list of conditions and the following disclaimer in the +// documentation and/or other materials provided with the distribution. +// +// 3. The name of the author may be used to endorse or promote products +// derived from this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED +// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF +// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO +// EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, +// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; +// OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, +// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR +// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF +// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +// +/////////////////////////////////////////////////////////////////////////////// + +#ifndef _MSC_VER // [ +#error "Use this header only with Microsoft Visual C++ compilers!" +#endif // _MSC_VER ] + +#ifndef _MSC_INTTYPES_H_ // [ +#define _MSC_INTTYPES_H_ + +#if _MSC_VER > 1000 +#pragma once +#endif + +#include "stdint.h" + +// 7.8 Format conversion of integer types + +typedef struct { + intmax_t quot; + intmax_t rem; +} imaxdiv_t; + +// 7.8.1 Macros for format specifiers + +#if !defined(__cplusplus) || defined(__STDC_FORMAT_MACROS) // [ See footnote 185 at page 198 + +#ifdef _WIN64 +# define __PRI64_PREFIX "l" +# define __PRIPTR_PREFIX "l" +#else +# define __PRI64_PREFIX "ll" +# define __PRIPTR_PREFIX +#endif + +// The fprintf macros for signed integers are: +#define PRId8 "d" +#define PRIi8 "i" +#define PRIdLEAST8 "d" +#define PRIiLEAST8 "i" +#define PRIdFAST8 "d" +#define PRIiFAST8 "i" + +#define PRId16 "hd" +#define PRIi16 "hi" +#define PRIdLEAST16 "hd" +#define PRIiLEAST16 "hi" +#define PRIdFAST16 "hd" +#define PRIiFAST16 "hi" + +#define PRId32 "d" +#define PRIi32 "i" +#define PRIdLEAST32 "d" +#define PRIiLEAST32 "i" +#define PRIdFAST32 "d" +#define PRIiFAST32 "i" + +#define PRId64 __PRI64_PREFIX "d" +#define PRIi64 __PRI64_PREFIX "i" +#define PRIdLEAST64 __PRI64_PREFIX "d" +#define PRIiLEAST64 __PRI64_PREFIX "i" +#define PRIdFAST64 __PRI64_PREFIX "d" +#define PRIiFAST64 __PRI64_PREFIX "i" + +#define PRIdMAX __PRI64_PREFIX "d" +#define PRIiMAX __PRI64_PREFIX "i" + +#define PRIdPTR __PRIPTR_PREFIX "d" +#define PRIiPTR __PRIPTR_PREFIX "i" + +// The fprintf macros for unsigned integers are: +#define PRIo8 "o" +#define PRIu8 "u" +#define PRIx8 "x" +#define PRIX8 "X" +#define PRIoLEAST8 "o" +#define PRIuLEAST8 "u" +#define PRIxLEAST8 "x" +#define PRIXLEAST8 "X" +#define PRIoFAST8 "o" +#define PRIuFAST8 "u" +#define PRIxFAST8 "x" +#define PRIXFAST8 "X" + +#define PRIo16 "ho" +#define PRIu16 "hu" +#define PRIx16 "hx" +#define PRIX16 "hX" +#define PRIoLEAST16 "ho" +#define PRIuLEAST16 "hu" +#define PRIxLEAST16 "hx" +#define PRIXLEAST16 "hX" +#define PRIoFAST16 "ho" +#define PRIuFAST16 "hu" +#define PRIxFAST16 "hx" +#define PRIXFAST16 "hX" + +#define PRIo32 "o" +#define PRIu32 "u" +#define PRIx32 "x" +#define PRIX32 "X" +#define PRIoLEAST32 "o" +#define PRIuLEAST32 "u" +#define PRIxLEAST32 "x" +#define PRIXLEAST32 "X" +#define PRIoFAST32 "o" +#define PRIuFAST32 "u" +#define PRIxFAST32 "x" +#define PRIXFAST32 "X" + +#define PRIo64 __PRI64_PREFIX "o" +#define PRIu64 __PRI64_PREFIX "u" +#define PRIx64 __PRI64_PREFIX "x" +#define PRIX64 __PRI64_PREFIX "X" +#define PRIoLEAST64 __PRI64_PREFIX "o" +#define PRIuLEAST64 __PRI64_PREFIX "u" +#define PRIxLEAST64 __PRI64_PREFIX "x" +#define PRIXLEAST64 __PRI64_PREFIX "X" +#define PRIoFAST64 __PRI64_PREFIX "o" +#define PRIuFAST64 __PRI64_PREFIX "u" +#define PRIxFAST64 __PRI64_PREFIX "x" +#define PRIXFAST64 __PRI64_PREFIX "X" + +#define PRIoMAX __PRI64_PREFIX "o" +#define PRIuMAX __PRI64_PREFIX "u" +#define PRIxMAX __PRI64_PREFIX "x" +#define PRIXMAX __PRI64_PREFIX "X" + +#define PRIoPTR __PRIPTR_PREFIX "o" +#define PRIuPTR __PRIPTR_PREFIX "u" +#define PRIxPTR __PRIPTR_PREFIX "x" +#define PRIXPTR __PRIPTR_PREFIX "X" + +// The fscanf macros for signed integers are: +#define SCNd8 "d" +#define SCNi8 "i" +#define SCNdLEAST8 "d" +#define SCNiLEAST8 "i" +#define SCNdFAST8 "d" +#define SCNiFAST8 "i" + +#define SCNd16 "hd" +#define SCNi16 "hi" +#define SCNdLEAST16 "hd" +#define SCNiLEAST16 "hi" +#define SCNdFAST16 "hd" +#define SCNiFAST16 "hi" + +#define SCNd32 "ld" +#define SCNi32 "li" +#define SCNdLEAST32 "ld" +#define SCNiLEAST32 "li" +#define SCNdFAST32 "ld" +#define SCNiFAST32 "li" + +#define SCNd64 "I64d" +#define SCNi64 "I64i" +#define SCNdLEAST64 "I64d" +#define SCNiLEAST64 "I64i" +#define SCNdFAST64 "I64d" +#define SCNiFAST64 "I64i" + +#define SCNdMAX "I64d" +#define SCNiMAX "I64i" + +#ifdef _WIN64 // [ +# define SCNdPTR "I64d" +# define SCNiPTR "I64i" +#else // _WIN64 ][ +# define SCNdPTR "ld" +# define SCNiPTR "li" +#endif // _WIN64 ] + +// The fscanf macros for unsigned integers are: +#define SCNo8 "o" +#define SCNu8 "u" +#define SCNx8 "x" +#define SCNX8 "X" +#define SCNoLEAST8 "o" +#define SCNuLEAST8 "u" +#define SCNxLEAST8 "x" +#define SCNXLEAST8 "X" +#define SCNoFAST8 "o" +#define SCNuFAST8 "u" +#define SCNxFAST8 "x" +#define SCNXFAST8 "X" + +#define SCNo16 "ho" +#define SCNu16 "hu" +#define SCNx16 "hx" +#define SCNX16 "hX" +#define SCNoLEAST16 "ho" +#define SCNuLEAST16 "hu" +#define SCNxLEAST16 "hx" +#define SCNXLEAST16 "hX" +#define SCNoFAST16 "ho" +#define SCNuFAST16 "hu" +#define SCNxFAST16 "hx" +#define SCNXFAST16 "hX" + +#define SCNo32 "lo" +#define SCNu32 "lu" +#define SCNx32 "lx" +#define SCNX32 "lX" +#define SCNoLEAST32 "lo" +#define SCNuLEAST32 "lu" +#define SCNxLEAST32 "lx" +#define SCNXLEAST32 "lX" +#define SCNoFAST32 "lo" +#define SCNuFAST32 "lu" +#define SCNxFAST32 "lx" +#define SCNXFAST32 "lX" + +#define SCNo64 "I64o" +#define SCNu64 "I64u" +#define SCNx64 "I64x" +#define SCNX64 "I64X" +#define SCNoLEAST64 "I64o" +#define SCNuLEAST64 "I64u" +#define SCNxLEAST64 "I64x" +#define SCNXLEAST64 "I64X" +#define SCNoFAST64 "I64o" +#define SCNuFAST64 "I64u" +#define SCNxFAST64 "I64x" +#define SCNXFAST64 "I64X" + +#define SCNoMAX "I64o" +#define SCNuMAX "I64u" +#define SCNxMAX "I64x" +#define SCNXMAX "I64X" + +#ifdef _WIN64 // [ +# define SCNoPTR "I64o" +# define SCNuPTR "I64u" +# define SCNxPTR "I64x" +# define SCNXPTR "I64X" +#else // _WIN64 ][ +# define SCNoPTR "lo" +# define SCNuPTR "lu" +# define SCNxPTR "lx" +# define SCNXPTR "lX" +#endif // _WIN64 ] + +#endif // __STDC_FORMAT_MACROS ] + +// 7.8.2 Functions for greatest-width integer types + +// 7.8.2.1 The imaxabs function +#define imaxabs _abs64 + +// 7.8.2.2 The imaxdiv function + +// This is modified version of div() function from Microsoft's div.c found +// in %MSVC.NET%\crt\src\div.c +#ifdef STATIC_IMAXDIV // [ +static +#else // STATIC_IMAXDIV ][ +_inline +#endif // STATIC_IMAXDIV ] +imaxdiv_t __cdecl imaxdiv(intmax_t numer, intmax_t denom) +{ + imaxdiv_t result; + + result.quot = numer / denom; + result.rem = numer % denom; + + if (numer < 0 && result.rem > 0) { + // did division wrong; must fix up + ++result.quot; + result.rem -= denom; + } + + return result; +} + +// 7.8.2.3 The strtoimax and strtoumax functions +#define strtoimax _strtoi64 +#define strtoumax _strtoui64 + +// 7.8.2.4 The wcstoimax and wcstoumax functions +#define wcstoimax _wcstoi64 +#define wcstoumax _wcstoui64 + + +#endif // _MSC_INTTYPES_H_ ] diff --git a/deps/jemalloc/include/msvc_compat/stdbool.h b/deps/jemalloc/include/msvc_compat/stdbool.h new file mode 100644 index 0000000..da9ee8b --- /dev/null +++ b/deps/jemalloc/include/msvc_compat/stdbool.h @@ -0,0 +1,16 @@ +#ifndef stdbool_h +#define stdbool_h + +#include + +/* MSVC doesn't define _Bool or bool in C, but does have BOOL */ +/* Note this doesn't pass autoconf's test because (bool) 0.5 != true */ +typedef BOOL _Bool; + +#define bool _Bool +#define true 1 +#define false 0 + +#define __bool_true_false_are_defined 1 + +#endif /* stdbool_h */ diff --git a/deps/jemalloc/include/msvc_compat/stdint.h b/deps/jemalloc/include/msvc_compat/stdint.h new file mode 100644 index 0000000..d02608a --- /dev/null +++ b/deps/jemalloc/include/msvc_compat/stdint.h @@ -0,0 +1,247 @@ +// ISO C9x compliant stdint.h for Microsoft Visual Studio +// Based on ISO/IEC 9899:TC2 Committee draft (May 6, 2005) WG14/N1124 +// +// Copyright (c) 2006-2008 Alexander Chemeris +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are met: +// +// 1. Redistributions of source code must retain the above copyright notice, +// this list of conditions and the following disclaimer. +// +// 2. Redistributions in binary form must reproduce the above copyright +// notice, this list of conditions and the following disclaimer in the +// documentation and/or other materials provided with the distribution. +// +// 3. The name of the author may be used to endorse or promote products +// derived from this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED +// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF +// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO +// EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, +// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; +// OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, +// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR +// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF +// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +// +/////////////////////////////////////////////////////////////////////////////// + +#ifndef _MSC_VER // [ +#error "Use this header only with Microsoft Visual C++ compilers!" +#endif // _MSC_VER ] + +#ifndef _MSC_STDINT_H_ // [ +#define _MSC_STDINT_H_ + +#if _MSC_VER > 1000 +#pragma once +#endif + +#include + +// For Visual Studio 6 in C++ mode and for many Visual Studio versions when +// compiling for ARM we should wrap include with 'extern "C++" {}' +// or compiler give many errors like this: +// error C2733: second C linkage of overloaded function 'wmemchr' not allowed +#ifdef __cplusplus +extern "C" { +#endif +# include +#ifdef __cplusplus +} +#endif + +// Define _W64 macros to mark types changing their size, like intptr_t. +#ifndef _W64 +# if !defined(__midl) && (defined(_X86_) || defined(_M_IX86)) && _MSC_VER >= 1300 +# define _W64 __w64 +# else +# define _W64 +# endif +#endif + + +// 7.18.1 Integer types + +// 7.18.1.1 Exact-width integer types + +// Visual Studio 6 and Embedded Visual C++ 4 doesn't +// realize that, e.g. char has the same size as __int8 +// so we give up on __intX for them. +#if (_MSC_VER < 1300) + typedef signed char int8_t; + typedef signed short int16_t; + typedef signed int int32_t; + typedef unsigned char uint8_t; + typedef unsigned short uint16_t; + typedef unsigned int uint32_t; +#else + typedef signed __int8 int8_t; + typedef signed __int16 int16_t; + typedef signed __int32 int32_t; + typedef unsigned __int8 uint8_t; + typedef unsigned __int16 uint16_t; + typedef unsigned __int32 uint32_t; +#endif +typedef signed __int64 int64_t; +typedef unsigned __int64 uint64_t; + + +// 7.18.1.2 Minimum-width integer types +typedef int8_t int_least8_t; +typedef int16_t int_least16_t; +typedef int32_t int_least32_t; +typedef int64_t int_least64_t; +typedef uint8_t uint_least8_t; +typedef uint16_t uint_least16_t; +typedef uint32_t uint_least32_t; +typedef uint64_t uint_least64_t; + +// 7.18.1.3 Fastest minimum-width integer types +typedef int8_t int_fast8_t; +typedef int16_t int_fast16_t; +typedef int32_t int_fast32_t; +typedef int64_t int_fast64_t; +typedef uint8_t uint_fast8_t; +typedef uint16_t uint_fast16_t; +typedef uint32_t uint_fast32_t; +typedef uint64_t uint_fast64_t; + +// 7.18.1.4 Integer types capable of holding object pointers +#ifdef _WIN64 // [ + typedef signed __int64 intptr_t; + typedef unsigned __int64 uintptr_t; +#else // _WIN64 ][ + typedef _W64 signed int intptr_t; + typedef _W64 unsigned int uintptr_t; +#endif // _WIN64 ] + +// 7.18.1.5 Greatest-width integer types +typedef int64_t intmax_t; +typedef uint64_t uintmax_t; + + +// 7.18.2 Limits of specified-width integer types + +#if !defined(__cplusplus) || defined(__STDC_LIMIT_MACROS) // [ See footnote 220 at page 257 and footnote 221 at page 259 + +// 7.18.2.1 Limits of exact-width integer types +#define INT8_MIN ((int8_t)_I8_MIN) +#define INT8_MAX _I8_MAX +#define INT16_MIN ((int16_t)_I16_MIN) +#define INT16_MAX _I16_MAX +#define INT32_MIN ((int32_t)_I32_MIN) +#define INT32_MAX _I32_MAX +#define INT64_MIN ((int64_t)_I64_MIN) +#define INT64_MAX _I64_MAX +#define UINT8_MAX _UI8_MAX +#define UINT16_MAX _UI16_MAX +#define UINT32_MAX _UI32_MAX +#define UINT64_MAX _UI64_MAX + +// 7.18.2.2 Limits of minimum-width integer types +#define INT_LEAST8_MIN INT8_MIN +#define INT_LEAST8_MAX INT8_MAX +#define INT_LEAST16_MIN INT16_MIN +#define INT_LEAST16_MAX INT16_MAX +#define INT_LEAST32_MIN INT32_MIN +#define INT_LEAST32_MAX INT32_MAX +#define INT_LEAST64_MIN INT64_MIN +#define INT_LEAST64_MAX INT64_MAX +#define UINT_LEAST8_MAX UINT8_MAX +#define UINT_LEAST16_MAX UINT16_MAX +#define UINT_LEAST32_MAX UINT32_MAX +#define UINT_LEAST64_MAX UINT64_MAX + +// 7.18.2.3 Limits of fastest minimum-width integer types +#define INT_FAST8_MIN INT8_MIN +#define INT_FAST8_MAX INT8_MAX +#define INT_FAST16_MIN INT16_MIN +#define INT_FAST16_MAX INT16_MAX +#define INT_FAST32_MIN INT32_MIN +#define INT_FAST32_MAX INT32_MAX +#define INT_FAST64_MIN INT64_MIN +#define INT_FAST64_MAX INT64_MAX +#define UINT_FAST8_MAX UINT8_MAX +#define UINT_FAST16_MAX UINT16_MAX +#define UINT_FAST32_MAX UINT32_MAX +#define UINT_FAST64_MAX UINT64_MAX + +// 7.18.2.4 Limits of integer types capable of holding object pointers +#ifdef _WIN64 // [ +# define INTPTR_MIN INT64_MIN +# define INTPTR_MAX INT64_MAX +# define UINTPTR_MAX UINT64_MAX +#else // _WIN64 ][ +# define INTPTR_MIN INT32_MIN +# define INTPTR_MAX INT32_MAX +# define UINTPTR_MAX UINT32_MAX +#endif // _WIN64 ] + +// 7.18.2.5 Limits of greatest-width integer types +#define INTMAX_MIN INT64_MIN +#define INTMAX_MAX INT64_MAX +#define UINTMAX_MAX UINT64_MAX + +// 7.18.3 Limits of other integer types + +#ifdef _WIN64 // [ +# define PTRDIFF_MIN _I64_MIN +# define PTRDIFF_MAX _I64_MAX +#else // _WIN64 ][ +# define PTRDIFF_MIN _I32_MIN +# define PTRDIFF_MAX _I32_MAX +#endif // _WIN64 ] + +#define SIG_ATOMIC_MIN INT_MIN +#define SIG_ATOMIC_MAX INT_MAX + +#ifndef SIZE_MAX // [ +# ifdef _WIN64 // [ +# define SIZE_MAX _UI64_MAX +# else // _WIN64 ][ +# define SIZE_MAX _UI32_MAX +# endif // _WIN64 ] +#endif // SIZE_MAX ] + +// WCHAR_MIN and WCHAR_MAX are also defined in +#ifndef WCHAR_MIN // [ +# define WCHAR_MIN 0 +#endif // WCHAR_MIN ] +#ifndef WCHAR_MAX // [ +# define WCHAR_MAX _UI16_MAX +#endif // WCHAR_MAX ] + +#define WINT_MIN 0 +#define WINT_MAX _UI16_MAX + +#endif // __STDC_LIMIT_MACROS ] + + +// 7.18.4 Limits of other integer types + +#if !defined(__cplusplus) || defined(__STDC_CONSTANT_MACROS) // [ See footnote 224 at page 260 + +// 7.18.4.1 Macros for minimum-width integer constants + +#define INT8_C(val) val##i8 +#define INT16_C(val) val##i16 +#define INT32_C(val) val##i32 +#define INT64_C(val) val##i64 + +#define UINT8_C(val) val##ui8 +#define UINT16_C(val) val##ui16 +#define UINT32_C(val) val##ui32 +#define UINT64_C(val) val##ui64 + +// 7.18.4.2 Macros for greatest-width integer constants +#define INTMAX_C INT64_C +#define UINTMAX_C UINT64_C + +#endif // __STDC_CONSTANT_MACROS ] + + +#endif // _MSC_STDINT_H_ ] diff --git a/deps/jemalloc/include/msvc_compat/strings.h b/deps/jemalloc/include/msvc_compat/strings.h new file mode 100644 index 0000000..c84975b --- /dev/null +++ b/deps/jemalloc/include/msvc_compat/strings.h @@ -0,0 +1,23 @@ +#ifndef strings_h +#define strings_h + +/* MSVC doesn't define ffs/ffsl. This dummy strings.h header is provided + * for both */ +#include +#pragma intrinsic(_BitScanForward) +static __forceinline int ffsl(long x) +{ + unsigned long i; + + if (_BitScanForward(&i, x)) + return (i + 1); + return (0); +} + +static __forceinline int ffs(int x) +{ + + return (ffsl(x)); +} + +#endif diff --git a/deps/jemalloc/install-sh b/deps/jemalloc/install-sh new file mode 100755 index 0000000..ebc6691 --- /dev/null +++ b/deps/jemalloc/install-sh @@ -0,0 +1,250 @@ +#! /bin/sh +# +# install - install a program, script, or datafile +# This comes from X11R5 (mit/util/scripts/install.sh). +# +# Copyright 1991 by the Massachusetts Institute of Technology +# +# Permission to use, copy, modify, distribute, and sell this software and its +# documentation for any purpose is hereby granted without fee, provided that +# the above copyright notice appear in all copies and that both that +# copyright notice and this permission notice appear in supporting +# documentation, and that the name of M.I.T. not be used in advertising or +# publicity pertaining to distribution of the software without specific, +# written prior permission. M.I.T. makes no representations about the +# suitability of this software for any purpose. It is provided "as is" +# without express or implied warranty. +# +# Calling this script install-sh is preferred over install.sh, to prevent +# `make' implicit rules from creating a file called install from it +# when there is no Makefile. +# +# This script is compatible with the BSD install script, but was written +# from scratch. It can only install one file at a time, a restriction +# shared with many OS's install programs. + + +# set DOITPROG to echo to test this script + +# Don't use :- since 4.3BSD and earlier shells don't like it. +doit="${DOITPROG-}" + + +# put in absolute paths if you don't have them in your path; or use env. vars. + +mvprog="${MVPROG-mv}" +cpprog="${CPPROG-cp}" +chmodprog="${CHMODPROG-chmod}" +chownprog="${CHOWNPROG-chown}" +chgrpprog="${CHGRPPROG-chgrp}" +stripprog="${STRIPPROG-strip}" +rmprog="${RMPROG-rm}" +mkdirprog="${MKDIRPROG-mkdir}" + +transformbasename="" +transform_arg="" +instcmd="$mvprog" +chmodcmd="$chmodprog 0755" +chowncmd="" +chgrpcmd="" +stripcmd="" +rmcmd="$rmprog -f" +mvcmd="$mvprog" +src="" +dst="" +dir_arg="" + +while [ x"$1" != x ]; do + case $1 in + -c) instcmd="$cpprog" + shift + continue;; + + -d) dir_arg=true + shift + continue;; + + -m) chmodcmd="$chmodprog $2" + shift + shift + continue;; + + -o) chowncmd="$chownprog $2" + shift + shift + continue;; + + -g) chgrpcmd="$chgrpprog $2" + shift + shift + continue;; + + -s) stripcmd="$stripprog" + shift + continue;; + + -t=*) transformarg=`echo $1 | sed 's/-t=//'` + shift + continue;; + + -b=*) transformbasename=`echo $1 | sed 's/-b=//'` + shift + continue;; + + *) if [ x"$src" = x ] + then + src=$1 + else + # this colon is to work around a 386BSD /bin/sh bug + : + dst=$1 + fi + shift + continue;; + esac +done + +if [ x"$src" = x ] +then + echo "install: no input file specified" + exit 1 +else + true +fi + +if [ x"$dir_arg" != x ]; then + dst=$src + src="" + + if [ -d $dst ]; then + instcmd=: + else + instcmd=mkdir + fi +else + +# Waiting for this to be detected by the "$instcmd $src $dsttmp" command +# might cause directories to be created, which would be especially bad +# if $src (and thus $dsttmp) contains '*'. + + if [ -f $src -o -d $src ] + then + true + else + echo "install: $src does not exist" + exit 1 + fi + + if [ x"$dst" = x ] + then + echo "install: no destination specified" + exit 1 + else + true + fi + +# If destination is a directory, append the input filename; if your system +# does not like double slashes in filenames, you may need to add some logic + + if [ -d $dst ] + then + dst="$dst"/`basename $src` + else + true + fi +fi + +## this sed command emulates the dirname command +dstdir=`echo $dst | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'` + +# Make sure that the destination directory exists. +# this part is taken from Noah Friedman's mkinstalldirs script + +# Skip lots of stat calls in the usual case. +if [ ! -d "$dstdir" ]; then +defaultIFS=' +' +IFS="${IFS-${defaultIFS}}" + +oIFS="${IFS}" +# Some sh's can't handle IFS=/ for some reason. +IFS='%' +set - `echo ${dstdir} | sed -e 's@/@%@g' -e 's@^%@/@'` +IFS="${oIFS}" + +pathcomp='' + +while [ $# -ne 0 ] ; do + pathcomp="${pathcomp}${1}" + shift + + if [ ! -d "${pathcomp}" ] ; + then + $mkdirprog "${pathcomp}" + else + true + fi + + pathcomp="${pathcomp}/" +done +fi + +if [ x"$dir_arg" != x ] +then + $doit $instcmd $dst && + + if [ x"$chowncmd" != x ]; then $doit $chowncmd $dst; else true ; fi && + if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dst; else true ; fi && + if [ x"$stripcmd" != x ]; then $doit $stripcmd $dst; else true ; fi && + if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dst; else true ; fi +else + +# If we're going to rename the final executable, determine the name now. + + if [ x"$transformarg" = x ] + then + dstfile=`basename $dst` + else + dstfile=`basename $dst $transformbasename | + sed $transformarg`$transformbasename + fi + +# don't allow the sed command to completely eliminate the filename + + if [ x"$dstfile" = x ] + then + dstfile=`basename $dst` + else + true + fi + +# Make a temp file name in the proper directory. + + dsttmp=$dstdir/#inst.$$# + +# Move or copy the file name to the temp name + + $doit $instcmd $src $dsttmp && + + trap "rm -f ${dsttmp}" 0 && + +# and set any options; do chmod last to preserve setuid bits + +# If any of these fail, we abort the whole thing. If we want to +# ignore errors from any of these, just make sure not to ignore +# errors from the above "$doit $instcmd $src $dsttmp" command. + + if [ x"$chowncmd" != x ]; then $doit $chowncmd $dsttmp; else true;fi && + if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dsttmp; else true;fi && + if [ x"$stripcmd" != x ]; then $doit $stripcmd $dsttmp; else true;fi && + if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dsttmp; else true;fi && + +# Now rename the file to the real destination. + + $doit $rmcmd -f $dstdir/$dstfile && + $doit $mvcmd $dsttmp $dstdir/$dstfile + +fi && + + +exit 0 diff --git a/deps/jemalloc/src/arena.c b/deps/jemalloc/src/arena.c new file mode 100644 index 0000000..0c53b07 --- /dev/null +++ b/deps/jemalloc/src/arena.c @@ -0,0 +1,2376 @@ +#define JEMALLOC_ARENA_C_ +#include "jemalloc/internal/jemalloc_internal.h" + +/******************************************************************************/ +/* Data. */ + +ssize_t opt_lg_dirty_mult = LG_DIRTY_MULT_DEFAULT; +arena_bin_info_t arena_bin_info[NBINS]; + +JEMALLOC_ALIGNED(CACHELINE) +const uint8_t small_size2bin[] = { +#define S2B_8(i) i, +#define S2B_16(i) S2B_8(i) S2B_8(i) +#define S2B_32(i) S2B_16(i) S2B_16(i) +#define S2B_64(i) S2B_32(i) S2B_32(i) +#define S2B_128(i) S2B_64(i) S2B_64(i) +#define S2B_256(i) S2B_128(i) S2B_128(i) +#define S2B_512(i) S2B_256(i) S2B_256(i) +#define S2B_1024(i) S2B_512(i) S2B_512(i) +#define S2B_2048(i) S2B_1024(i) S2B_1024(i) +#define S2B_4096(i) S2B_2048(i) S2B_2048(i) +#define S2B_8192(i) S2B_4096(i) S2B_4096(i) +#define SIZE_CLASS(bin, delta, size) \ + S2B_##delta(bin) + SIZE_CLASSES +#undef S2B_8 +#undef S2B_16 +#undef S2B_32 +#undef S2B_64 +#undef S2B_128 +#undef S2B_256 +#undef S2B_512 +#undef S2B_1024 +#undef S2B_2048 +#undef S2B_4096 +#undef S2B_8192 +#undef SIZE_CLASS +}; + +/******************************************************************************/ +/* Function prototypes for non-inline static functions. */ + +static void arena_avail_insert(arena_t *arena, arena_chunk_t *chunk, + size_t pageind, size_t npages, bool maybe_adjac_pred, + bool maybe_adjac_succ); +static void arena_avail_remove(arena_t *arena, arena_chunk_t *chunk, + size_t pageind, size_t npages, bool maybe_adjac_pred, + bool maybe_adjac_succ); +static void arena_run_split(arena_t *arena, arena_run_t *run, size_t size, + bool large, size_t binind, bool zero); +static arena_chunk_t *arena_chunk_alloc(arena_t *arena); +static void arena_chunk_dealloc(arena_t *arena, arena_chunk_t *chunk); +static arena_run_t *arena_run_alloc_helper(arena_t *arena, size_t size, + bool large, size_t binind, bool zero); +static arena_run_t *arena_run_alloc(arena_t *arena, size_t size, bool large, + size_t binind, bool zero); +static arena_chunk_t *chunks_dirty_iter_cb(arena_chunk_tree_t *tree, + arena_chunk_t *chunk, void *arg); +static void arena_purge(arena_t *arena, bool all); +static void arena_run_dalloc(arena_t *arena, arena_run_t *run, bool dirty, + bool cleaned); +static void arena_run_trim_head(arena_t *arena, arena_chunk_t *chunk, + arena_run_t *run, size_t oldsize, size_t newsize); +static void arena_run_trim_tail(arena_t *arena, arena_chunk_t *chunk, + arena_run_t *run, size_t oldsize, size_t newsize, bool dirty); +static arena_run_t *arena_bin_runs_first(arena_bin_t *bin); +static void arena_bin_runs_insert(arena_bin_t *bin, arena_run_t *run); +static void arena_bin_runs_remove(arena_bin_t *bin, arena_run_t *run); +static arena_run_t *arena_bin_nonfull_run_tryget(arena_bin_t *bin); +static arena_run_t *arena_bin_nonfull_run_get(arena_t *arena, arena_bin_t *bin); +static void *arena_bin_malloc_hard(arena_t *arena, arena_bin_t *bin); +static void arena_dissociate_bin_run(arena_chunk_t *chunk, arena_run_t *run, + arena_bin_t *bin); +static void arena_dalloc_bin_run(arena_t *arena, arena_chunk_t *chunk, + arena_run_t *run, arena_bin_t *bin); +static void arena_bin_lower_run(arena_t *arena, arena_chunk_t *chunk, + arena_run_t *run, arena_bin_t *bin); +static void arena_ralloc_large_shrink(arena_t *arena, arena_chunk_t *chunk, + void *ptr, size_t oldsize, size_t size); +static bool arena_ralloc_large_grow(arena_t *arena, arena_chunk_t *chunk, + void *ptr, size_t oldsize, size_t size, size_t extra, bool zero); +static bool arena_ralloc_large(void *ptr, size_t oldsize, size_t size, + size_t extra, bool zero); +static size_t bin_info_run_size_calc(arena_bin_info_t *bin_info, + size_t min_run_size); +static void bin_info_init(void); + +/******************************************************************************/ + +static inline int +arena_run_comp(arena_chunk_map_t *a, arena_chunk_map_t *b) +{ + uintptr_t a_mapelm = (uintptr_t)a; + uintptr_t b_mapelm = (uintptr_t)b; + + assert(a != NULL); + assert(b != NULL); + + return ((a_mapelm > b_mapelm) - (a_mapelm < b_mapelm)); +} + +/* Generate red-black tree functions. */ +rb_gen(static UNUSED, arena_run_tree_, arena_run_tree_t, arena_chunk_map_t, + u.rb_link, arena_run_comp) + +static inline int +arena_avail_comp(arena_chunk_map_t *a, arena_chunk_map_t *b) +{ + int ret; + size_t a_size = a->bits & ~PAGE_MASK; + size_t b_size = b->bits & ~PAGE_MASK; + + ret = (a_size > b_size) - (a_size < b_size); + if (ret == 0) { + uintptr_t a_mapelm, b_mapelm; + + if ((a->bits & CHUNK_MAP_KEY) != CHUNK_MAP_KEY) + a_mapelm = (uintptr_t)a; + else { + /* + * Treat keys as though they are lower than anything + * else. + */ + a_mapelm = 0; + } + b_mapelm = (uintptr_t)b; + + ret = (a_mapelm > b_mapelm) - (a_mapelm < b_mapelm); + } + + return (ret); +} + +/* Generate red-black tree functions. */ +rb_gen(static UNUSED, arena_avail_tree_, arena_avail_tree_t, arena_chunk_map_t, + u.rb_link, arena_avail_comp) + +static inline int +arena_chunk_dirty_comp(arena_chunk_t *a, arena_chunk_t *b) +{ + + assert(a != NULL); + assert(b != NULL); + + /* + * Short-circuit for self comparison. The following comparison code + * would come to the same result, but at the cost of executing the slow + * path. + */ + if (a == b) + return (0); + + /* + * Order such that chunks with higher fragmentation are "less than" + * those with lower fragmentation -- purging order is from "least" to + * "greatest". Fragmentation is measured as: + * + * mean current avail run size + * -------------------------------- + * mean defragmented avail run size + * + * navail + * ----------- + * nruns_avail nruns_avail-nruns_adjac + * = ========================= = ----------------------- + * navail nruns_avail + * ----------------------- + * nruns_avail-nruns_adjac + * + * The following code multiplies away the denominator prior to + * comparison, in order to avoid division. + * + */ + { + size_t a_val = (a->nruns_avail - a->nruns_adjac) * + b->nruns_avail; + size_t b_val = (b->nruns_avail - b->nruns_adjac) * + a->nruns_avail; + + if (a_val < b_val) + return (1); + if (a_val > b_val) + return (-1); + } + /* + * Break ties by chunk address. For fragmented chunks, report lower + * addresses as "lower", so that fragmentation reduction happens first + * at lower addresses. However, use the opposite ordering for + * unfragmented chunks, in order to increase the chances of + * re-allocating dirty runs. + */ + { + uintptr_t a_chunk = (uintptr_t)a; + uintptr_t b_chunk = (uintptr_t)b; + int ret = ((a_chunk > b_chunk) - (a_chunk < b_chunk)); + if (a->nruns_adjac == 0) { + assert(b->nruns_adjac == 0); + ret = -ret; + } + return (ret); + } +} + +/* Generate red-black tree functions. */ +rb_gen(static UNUSED, arena_chunk_dirty_, arena_chunk_tree_t, arena_chunk_t, + dirty_link, arena_chunk_dirty_comp) + +static inline bool +arena_avail_adjac_pred(arena_chunk_t *chunk, size_t pageind) +{ + bool ret; + + if (pageind-1 < map_bias) + ret = false; + else { + ret = (arena_mapbits_allocated_get(chunk, pageind-1) == 0); + assert(ret == false || arena_mapbits_dirty_get(chunk, + pageind-1) != arena_mapbits_dirty_get(chunk, pageind)); + } + return (ret); +} + +static inline bool +arena_avail_adjac_succ(arena_chunk_t *chunk, size_t pageind, size_t npages) +{ + bool ret; + + if (pageind+npages == chunk_npages) + ret = false; + else { + assert(pageind+npages < chunk_npages); + ret = (arena_mapbits_allocated_get(chunk, pageind+npages) == 0); + assert(ret == false || arena_mapbits_dirty_get(chunk, pageind) + != arena_mapbits_dirty_get(chunk, pageind+npages)); + } + return (ret); +} + +static inline bool +arena_avail_adjac(arena_chunk_t *chunk, size_t pageind, size_t npages) +{ + + return (arena_avail_adjac_pred(chunk, pageind) || + arena_avail_adjac_succ(chunk, pageind, npages)); +} + +static void +arena_avail_insert(arena_t *arena, arena_chunk_t *chunk, size_t pageind, + size_t npages, bool maybe_adjac_pred, bool maybe_adjac_succ) +{ + + assert(npages == (arena_mapbits_unallocated_size_get(chunk, pageind) >> + LG_PAGE)); + + /* + * chunks_dirty is keyed by nruns_{avail,adjac}, so the chunk must be + * removed and reinserted even if the run to be inserted is clean. + */ + if (chunk->ndirty != 0) + arena_chunk_dirty_remove(&arena->chunks_dirty, chunk); + + if (maybe_adjac_pred && arena_avail_adjac_pred(chunk, pageind)) + chunk->nruns_adjac++; + if (maybe_adjac_succ && arena_avail_adjac_succ(chunk, pageind, npages)) + chunk->nruns_adjac++; + chunk->nruns_avail++; + assert(chunk->nruns_avail > chunk->nruns_adjac); + + if (arena_mapbits_dirty_get(chunk, pageind) != 0) { + arena->ndirty += npages; + chunk->ndirty += npages; + } + if (chunk->ndirty != 0) + arena_chunk_dirty_insert(&arena->chunks_dirty, chunk); + + arena_avail_tree_insert(&arena->runs_avail, arena_mapp_get(chunk, + pageind)); +} + +static void +arena_avail_remove(arena_t *arena, arena_chunk_t *chunk, size_t pageind, + size_t npages, bool maybe_adjac_pred, bool maybe_adjac_succ) +{ + + assert(npages == (arena_mapbits_unallocated_size_get(chunk, pageind) >> + LG_PAGE)); + + /* + * chunks_dirty is keyed by nruns_{avail,adjac}, so the chunk must be + * removed and reinserted even if the run to be removed is clean. + */ + if (chunk->ndirty != 0) + arena_chunk_dirty_remove(&arena->chunks_dirty, chunk); + + if (maybe_adjac_pred && arena_avail_adjac_pred(chunk, pageind)) + chunk->nruns_adjac--; + if (maybe_adjac_succ && arena_avail_adjac_succ(chunk, pageind, npages)) + chunk->nruns_adjac--; + chunk->nruns_avail--; + assert(chunk->nruns_avail > chunk->nruns_adjac || (chunk->nruns_avail + == 0 && chunk->nruns_adjac == 0)); + + if (arena_mapbits_dirty_get(chunk, pageind) != 0) { + arena->ndirty -= npages; + chunk->ndirty -= npages; + } + if (chunk->ndirty != 0) + arena_chunk_dirty_insert(&arena->chunks_dirty, chunk); + + arena_avail_tree_remove(&arena->runs_avail, arena_mapp_get(chunk, + pageind)); +} + +static inline void * +arena_run_reg_alloc(arena_run_t *run, arena_bin_info_t *bin_info) +{ + void *ret; + unsigned regind; + bitmap_t *bitmap = (bitmap_t *)((uintptr_t)run + + (uintptr_t)bin_info->bitmap_offset); + + assert(run->nfree > 0); + assert(bitmap_full(bitmap, &bin_info->bitmap_info) == false); + + regind = bitmap_sfu(bitmap, &bin_info->bitmap_info); + ret = (void *)((uintptr_t)run + (uintptr_t)bin_info->reg0_offset + + (uintptr_t)(bin_info->reg_interval * regind)); + run->nfree--; + if (regind == run->nextind) + run->nextind++; + assert(regind < run->nextind); + return (ret); +} + +static inline void +arena_run_reg_dalloc(arena_run_t *run, void *ptr) +{ + arena_chunk_t *chunk = (arena_chunk_t *)CHUNK_ADDR2BASE(run); + size_t pageind = ((uintptr_t)ptr - (uintptr_t)chunk) >> LG_PAGE; + size_t mapbits = arena_mapbits_get(chunk, pageind); + size_t binind = arena_ptr_small_binind_get(ptr, mapbits); + arena_bin_info_t *bin_info = &arena_bin_info[binind]; + unsigned regind = arena_run_regind(run, bin_info, ptr); + bitmap_t *bitmap = (bitmap_t *)((uintptr_t)run + + (uintptr_t)bin_info->bitmap_offset); + + assert(run->nfree < bin_info->nregs); + /* Freeing an interior pointer can cause assertion failure. */ + assert(((uintptr_t)ptr - ((uintptr_t)run + + (uintptr_t)bin_info->reg0_offset)) % + (uintptr_t)bin_info->reg_interval == 0); + assert((uintptr_t)ptr >= (uintptr_t)run + + (uintptr_t)bin_info->reg0_offset); + /* Freeing an unallocated pointer can cause assertion failure. */ + assert(bitmap_get(bitmap, &bin_info->bitmap_info, regind)); + + bitmap_unset(bitmap, &bin_info->bitmap_info, regind); + run->nfree++; +} + +static inline void +arena_chunk_validate_zeroed(arena_chunk_t *chunk, size_t run_ind) +{ + size_t i; + UNUSED size_t *p = (size_t *)((uintptr_t)chunk + (run_ind << LG_PAGE)); + + for (i = 0; i < PAGE / sizeof(size_t); i++) + assert(p[i] == 0); +} + +static void +arena_run_split(arena_t *arena, arena_run_t *run, size_t size, bool large, + size_t binind, bool zero) +{ + arena_chunk_t *chunk; + size_t run_ind, total_pages, need_pages, rem_pages, i; + size_t flag_dirty; + + assert((large && binind == BININD_INVALID) || (large == false && binind + != BININD_INVALID)); + + chunk = (arena_chunk_t *)CHUNK_ADDR2BASE(run); + run_ind = (unsigned)(((uintptr_t)run - (uintptr_t)chunk) >> LG_PAGE); + flag_dirty = arena_mapbits_dirty_get(chunk, run_ind); + total_pages = arena_mapbits_unallocated_size_get(chunk, run_ind) >> + LG_PAGE; + assert(arena_mapbits_dirty_get(chunk, run_ind+total_pages-1) == + flag_dirty); + need_pages = (size >> LG_PAGE); + assert(need_pages > 0); + assert(need_pages <= total_pages); + rem_pages = total_pages - need_pages; + + arena_avail_remove(arena, chunk, run_ind, total_pages, true, true); + if (config_stats) { + /* + * Update stats_cactive if nactive is crossing a chunk + * multiple. + */ + size_t cactive_diff = CHUNK_CEILING((arena->nactive + + need_pages) << LG_PAGE) - CHUNK_CEILING(arena->nactive << + LG_PAGE); + if (cactive_diff != 0) + stats_cactive_add(cactive_diff); + } + arena->nactive += need_pages; + + /* Keep track of trailing unused pages for later use. */ + if (rem_pages > 0) { + if (flag_dirty != 0) { + arena_mapbits_unallocated_set(chunk, run_ind+need_pages, + (rem_pages << LG_PAGE), CHUNK_MAP_DIRTY); + arena_mapbits_unallocated_set(chunk, + run_ind+total_pages-1, (rem_pages << LG_PAGE), + CHUNK_MAP_DIRTY); + } else { + arena_mapbits_unallocated_set(chunk, run_ind+need_pages, + (rem_pages << LG_PAGE), + arena_mapbits_unzeroed_get(chunk, + run_ind+need_pages)); + arena_mapbits_unallocated_set(chunk, + run_ind+total_pages-1, (rem_pages << LG_PAGE), + arena_mapbits_unzeroed_get(chunk, + run_ind+total_pages-1)); + } + arena_avail_insert(arena, chunk, run_ind+need_pages, rem_pages, + false, true); + } + + /* + * Update the page map separately for large vs. small runs, since it is + * possible to avoid iteration for large mallocs. + */ + if (large) { + if (zero) { + if (flag_dirty == 0) { + /* + * The run is clean, so some pages may be + * zeroed (i.e. never before touched). + */ + for (i = 0; i < need_pages; i++) { + if (arena_mapbits_unzeroed_get(chunk, + run_ind+i) != 0) { + VALGRIND_MAKE_MEM_UNDEFINED( + (void *)((uintptr_t) + chunk + ((run_ind+i) << + LG_PAGE)), PAGE); + memset((void *)((uintptr_t) + chunk + ((run_ind+i) << + LG_PAGE)), 0, PAGE); + } else if (config_debug) { + VALGRIND_MAKE_MEM_DEFINED( + (void *)((uintptr_t) + chunk + ((run_ind+i) << + LG_PAGE)), PAGE); + arena_chunk_validate_zeroed( + chunk, run_ind+i); + } + } + } else { + /* + * The run is dirty, so all pages must be + * zeroed. + */ + VALGRIND_MAKE_MEM_UNDEFINED((void + *)((uintptr_t)chunk + (run_ind << + LG_PAGE)), (need_pages << LG_PAGE)); + memset((void *)((uintptr_t)chunk + (run_ind << + LG_PAGE)), 0, (need_pages << LG_PAGE)); + } + } + + /* + * Set the last element first, in case the run only contains one + * page (i.e. both statements set the same element). + */ + arena_mapbits_large_set(chunk, run_ind+need_pages-1, 0, + flag_dirty); + arena_mapbits_large_set(chunk, run_ind, size, flag_dirty); + } else { + assert(zero == false); + /* + * Propagate the dirty and unzeroed flags to the allocated + * small run, so that arena_dalloc_bin_run() has the ability to + * conditionally trim clean pages. + */ + arena_mapbits_small_set(chunk, run_ind, 0, binind, flag_dirty); + /* + * The first page will always be dirtied during small run + * initialization, so a validation failure here would not + * actually cause an observable failure. + */ + if (config_debug && flag_dirty == 0 && + arena_mapbits_unzeroed_get(chunk, run_ind) == 0) + arena_chunk_validate_zeroed(chunk, run_ind); + for (i = 1; i < need_pages - 1; i++) { + arena_mapbits_small_set(chunk, run_ind+i, i, binind, 0); + if (config_debug && flag_dirty == 0 && + arena_mapbits_unzeroed_get(chunk, run_ind+i) == 0) + arena_chunk_validate_zeroed(chunk, run_ind+i); + } + arena_mapbits_small_set(chunk, run_ind+need_pages-1, + need_pages-1, binind, flag_dirty); + if (config_debug && flag_dirty == 0 && + arena_mapbits_unzeroed_get(chunk, run_ind+need_pages-1) == + 0) { + arena_chunk_validate_zeroed(chunk, + run_ind+need_pages-1); + } + } +} + +static arena_chunk_t * +arena_chunk_alloc(arena_t *arena) +{ + arena_chunk_t *chunk; + size_t i; + + if (arena->spare != NULL) { + chunk = arena->spare; + arena->spare = NULL; + + assert(arena_mapbits_allocated_get(chunk, map_bias) == 0); + assert(arena_mapbits_allocated_get(chunk, chunk_npages-1) == 0); + assert(arena_mapbits_unallocated_size_get(chunk, map_bias) == + arena_maxclass); + assert(arena_mapbits_unallocated_size_get(chunk, + chunk_npages-1) == arena_maxclass); + assert(arena_mapbits_dirty_get(chunk, map_bias) == + arena_mapbits_dirty_get(chunk, chunk_npages-1)); + } else { + bool zero; + size_t unzeroed; + + zero = false; + malloc_mutex_unlock(&arena->lock); + chunk = (arena_chunk_t *)chunk_alloc(chunksize, chunksize, + false, &zero, arena->dss_prec); + malloc_mutex_lock(&arena->lock); + if (chunk == NULL) + return (NULL); + if (config_stats) + arena->stats.mapped += chunksize; + + chunk->arena = arena; + + /* + * Claim that no pages are in use, since the header is merely + * overhead. + */ + chunk->ndirty = 0; + + chunk->nruns_avail = 0; + chunk->nruns_adjac = 0; + + /* + * Initialize the map to contain one maximal free untouched run. + * Mark the pages as zeroed iff chunk_alloc() returned a zeroed + * chunk. + */ + unzeroed = zero ? 0 : CHUNK_MAP_UNZEROED; + arena_mapbits_unallocated_set(chunk, map_bias, arena_maxclass, + unzeroed); + /* + * There is no need to initialize the internal page map entries + * unless the chunk is not zeroed. + */ + if (zero == false) { + for (i = map_bias+1; i < chunk_npages-1; i++) + arena_mapbits_unzeroed_set(chunk, i, unzeroed); + } else if (config_debug) { + for (i = map_bias+1; i < chunk_npages-1; i++) { + assert(arena_mapbits_unzeroed_get(chunk, i) == + unzeroed); + } + } + arena_mapbits_unallocated_set(chunk, chunk_npages-1, + arena_maxclass, unzeroed); + } + + /* Insert the run into the runs_avail tree. */ + arena_avail_insert(arena, chunk, map_bias, chunk_npages-map_bias, + false, false); + + return (chunk); +} + +static void +arena_chunk_dealloc(arena_t *arena, arena_chunk_t *chunk) +{ + assert(arena_mapbits_allocated_get(chunk, map_bias) == 0); + assert(arena_mapbits_allocated_get(chunk, chunk_npages-1) == 0); + assert(arena_mapbits_unallocated_size_get(chunk, map_bias) == + arena_maxclass); + assert(arena_mapbits_unallocated_size_get(chunk, chunk_npages-1) == + arena_maxclass); + assert(arena_mapbits_dirty_get(chunk, map_bias) == + arena_mapbits_dirty_get(chunk, chunk_npages-1)); + + /* + * Remove run from the runs_avail tree, so that the arena does not use + * it. + */ + arena_avail_remove(arena, chunk, map_bias, chunk_npages-map_bias, + false, false); + + if (arena->spare != NULL) { + arena_chunk_t *spare = arena->spare; + + arena->spare = chunk; + malloc_mutex_unlock(&arena->lock); + chunk_dealloc((void *)spare, chunksize, true); + malloc_mutex_lock(&arena->lock); + if (config_stats) + arena->stats.mapped -= chunksize; + } else + arena->spare = chunk; +} + +static arena_run_t * +arena_run_alloc_helper(arena_t *arena, size_t size, bool large, size_t binind, + bool zero) +{ + arena_run_t *run; + arena_chunk_map_t *mapelm, key; + + key.bits = size | CHUNK_MAP_KEY; + mapelm = arena_avail_tree_nsearch(&arena->runs_avail, &key); + if (mapelm != NULL) { + arena_chunk_t *run_chunk = CHUNK_ADDR2BASE(mapelm); + size_t pageind = (((uintptr_t)mapelm - + (uintptr_t)run_chunk->map) / sizeof(arena_chunk_map_t)) + + map_bias; + + run = (arena_run_t *)((uintptr_t)run_chunk + (pageind << + LG_PAGE)); + arena_run_split(arena, run, size, large, binind, zero); + return (run); + } + + return (NULL); +} + +static arena_run_t * +arena_run_alloc(arena_t *arena, size_t size, bool large, size_t binind, + bool zero) +{ + arena_chunk_t *chunk; + arena_run_t *run; + + assert(size <= arena_maxclass); + assert((size & PAGE_MASK) == 0); + assert((large && binind == BININD_INVALID) || (large == false && binind + != BININD_INVALID)); + + /* Search the arena's chunks for the lowest best fit. */ + run = arena_run_alloc_helper(arena, size, large, binind, zero); + if (run != NULL) + return (run); + + /* + * No usable runs. Create a new chunk from which to allocate the run. + */ + chunk = arena_chunk_alloc(arena); + if (chunk != NULL) { + run = (arena_run_t *)((uintptr_t)chunk + (map_bias << LG_PAGE)); + arena_run_split(arena, run, size, large, binind, zero); + return (run); + } + + /* + * arena_chunk_alloc() failed, but another thread may have made + * sufficient memory available while this one dropped arena->lock in + * arena_chunk_alloc(), so search one more time. + */ + return (arena_run_alloc_helper(arena, size, large, binind, zero)); +} + +static inline void +arena_maybe_purge(arena_t *arena) +{ + size_t npurgeable, threshold; + + /* Don't purge if the option is disabled. */ + if (opt_lg_dirty_mult < 0) + return; + /* Don't purge if all dirty pages are already being purged. */ + if (arena->ndirty <= arena->npurgatory) + return; + npurgeable = arena->ndirty - arena->npurgatory; + threshold = (arena->nactive >> opt_lg_dirty_mult); + /* + * Don't purge unless the number of purgeable pages exceeds the + * threshold. + */ + if (npurgeable <= threshold) + return; + + arena_purge(arena, false); +} + +static inline size_t +arena_chunk_purge(arena_t *arena, arena_chunk_t *chunk, bool all) +{ + size_t npurged; + ql_head(arena_chunk_map_t) mapelms; + arena_chunk_map_t *mapelm; + size_t pageind, npages; + size_t nmadvise; + + ql_new(&mapelms); + + /* + * If chunk is the spare, temporarily re-allocate it, 1) so that its + * run is reinserted into runs_avail, and 2) so that it cannot be + * completely discarded by another thread while arena->lock is dropped + * by this thread. Note that the arena_run_dalloc() call will + * implicitly deallocate the chunk, so no explicit action is required + * in this function to deallocate the chunk. + * + * Note that once a chunk contains dirty pages, it cannot again contain + * a single run unless 1) it is a dirty run, or 2) this function purges + * dirty pages and causes the transition to a single clean run. Thus + * (chunk == arena->spare) is possible, but it is not possible for + * this function to be called on the spare unless it contains a dirty + * run. + */ + if (chunk == arena->spare) { + assert(arena_mapbits_dirty_get(chunk, map_bias) != 0); + assert(arena_mapbits_dirty_get(chunk, chunk_npages-1) != 0); + + arena_chunk_alloc(arena); + } + + if (config_stats) + arena->stats.purged += chunk->ndirty; + + /* + * Operate on all dirty runs if there is no clean/dirty run + * fragmentation. + */ + if (chunk->nruns_adjac == 0) + all = true; + + /* + * Temporarily allocate free dirty runs within chunk. If all is false, + * only operate on dirty runs that are fragments; otherwise operate on + * all dirty runs. + */ + for (pageind = map_bias; pageind < chunk_npages; pageind += npages) { + mapelm = arena_mapp_get(chunk, pageind); + if (arena_mapbits_allocated_get(chunk, pageind) == 0) { + size_t run_size = + arena_mapbits_unallocated_size_get(chunk, pageind); + + npages = run_size >> LG_PAGE; + assert(pageind + npages <= chunk_npages); + assert(arena_mapbits_dirty_get(chunk, pageind) == + arena_mapbits_dirty_get(chunk, pageind+npages-1)); + + if (arena_mapbits_dirty_get(chunk, pageind) != 0 && + (all || arena_avail_adjac(chunk, pageind, + npages))) { + arena_run_t *run = (arena_run_t *)((uintptr_t) + chunk + (uintptr_t)(pageind << LG_PAGE)); + + arena_run_split(arena, run, run_size, true, + BININD_INVALID, false); + /* Append to list for later processing. */ + ql_elm_new(mapelm, u.ql_link); + ql_tail_insert(&mapelms, mapelm, u.ql_link); + } + } else { + /* Skip run. */ + if (arena_mapbits_large_get(chunk, pageind) != 0) { + npages = arena_mapbits_large_size_get(chunk, + pageind) >> LG_PAGE; + } else { + size_t binind; + arena_bin_info_t *bin_info; + arena_run_t *run = (arena_run_t *)((uintptr_t) + chunk + (uintptr_t)(pageind << LG_PAGE)); + + assert(arena_mapbits_small_runind_get(chunk, + pageind) == 0); + binind = arena_bin_index(arena, run->bin); + bin_info = &arena_bin_info[binind]; + npages = bin_info->run_size >> LG_PAGE; + } + } + } + assert(pageind == chunk_npages); + assert(chunk->ndirty == 0 || all == false); + assert(chunk->nruns_adjac == 0); + + malloc_mutex_unlock(&arena->lock); + if (config_stats) + nmadvise = 0; + npurged = 0; + ql_foreach(mapelm, &mapelms, u.ql_link) { + bool unzeroed; + size_t flag_unzeroed, i; + + pageind = (((uintptr_t)mapelm - (uintptr_t)chunk->map) / + sizeof(arena_chunk_map_t)) + map_bias; + npages = arena_mapbits_large_size_get(chunk, pageind) >> + LG_PAGE; + assert(pageind + npages <= chunk_npages); + unzeroed = pages_purge((void *)((uintptr_t)chunk + (pageind << + LG_PAGE)), (npages << LG_PAGE)); + flag_unzeroed = unzeroed ? CHUNK_MAP_UNZEROED : 0; + /* + * Set the unzeroed flag for all pages, now that pages_purge() + * has returned whether the pages were zeroed as a side effect + * of purging. This chunk map modification is safe even though + * the arena mutex isn't currently owned by this thread, + * because the run is marked as allocated, thus protecting it + * from being modified by any other thread. As long as these + * writes don't perturb the first and last elements' + * CHUNK_MAP_ALLOCATED bits, behavior is well defined. + */ + for (i = 0; i < npages; i++) { + arena_mapbits_unzeroed_set(chunk, pageind+i, + flag_unzeroed); + } + npurged += npages; + if (config_stats) + nmadvise++; + } + malloc_mutex_lock(&arena->lock); + if (config_stats) + arena->stats.nmadvise += nmadvise; + + /* Deallocate runs. */ + for (mapelm = ql_first(&mapelms); mapelm != NULL; + mapelm = ql_first(&mapelms)) { + arena_run_t *run; + + pageind = (((uintptr_t)mapelm - (uintptr_t)chunk->map) / + sizeof(arena_chunk_map_t)) + map_bias; + run = (arena_run_t *)((uintptr_t)chunk + (uintptr_t)(pageind << + LG_PAGE)); + ql_remove(&mapelms, mapelm, u.ql_link); + arena_run_dalloc(arena, run, false, true); + } + + return (npurged); +} + +static arena_chunk_t * +chunks_dirty_iter_cb(arena_chunk_tree_t *tree, arena_chunk_t *chunk, void *arg) +{ + size_t *ndirty = (size_t *)arg; + + assert(chunk->ndirty != 0); + *ndirty += chunk->ndirty; + return (NULL); +} + +static void +arena_purge(arena_t *arena, bool all) +{ + arena_chunk_t *chunk; + size_t npurgatory; + if (config_debug) { + size_t ndirty = 0; + + arena_chunk_dirty_iter(&arena->chunks_dirty, NULL, + chunks_dirty_iter_cb, (void *)&ndirty); + assert(ndirty == arena->ndirty); + } + assert(arena->ndirty > arena->npurgatory || all); + assert((arena->nactive >> opt_lg_dirty_mult) < (arena->ndirty - + arena->npurgatory) || all); + + if (config_stats) + arena->stats.npurge++; + + /* + * Compute the minimum number of pages that this thread should try to + * purge, and add the result to arena->npurgatory. This will keep + * multiple threads from racing to reduce ndirty below the threshold. + */ + { + size_t npurgeable = arena->ndirty - arena->npurgatory; + + if (all == false) { + size_t threshold = (arena->nactive >> + opt_lg_dirty_mult); + + npurgatory = npurgeable - threshold; + } else + npurgatory = npurgeable; + } + arena->npurgatory += npurgatory; + + while (npurgatory > 0) { + size_t npurgeable, npurged, nunpurged; + + /* Get next chunk with dirty pages. */ + chunk = arena_chunk_dirty_first(&arena->chunks_dirty); + if (chunk == NULL) { + /* + * This thread was unable to purge as many pages as + * originally intended, due to races with other threads + * that either did some of the purging work, or re-used + * dirty pages. + */ + arena->npurgatory -= npurgatory; + return; + } + npurgeable = chunk->ndirty; + assert(npurgeable != 0); + + if (npurgeable > npurgatory && chunk->nruns_adjac == 0) { + /* + * This thread will purge all the dirty pages in chunk, + * so set npurgatory to reflect this thread's intent to + * purge the pages. This tends to reduce the chances + * of the following scenario: + * + * 1) This thread sets arena->npurgatory such that + * (arena->ndirty - arena->npurgatory) is at the + * threshold. + * 2) This thread drops arena->lock. + * 3) Another thread causes one or more pages to be + * dirtied, and immediately determines that it must + * purge dirty pages. + * + * If this scenario *does* play out, that's okay, + * because all of the purging work being done really + * needs to happen. + */ + arena->npurgatory += npurgeable - npurgatory; + npurgatory = npurgeable; + } + + /* + * Keep track of how many pages are purgeable, versus how many + * actually get purged, and adjust counters accordingly. + */ + arena->npurgatory -= npurgeable; + npurgatory -= npurgeable; + npurged = arena_chunk_purge(arena, chunk, all); + nunpurged = npurgeable - npurged; + arena->npurgatory += nunpurged; + npurgatory += nunpurged; + } +} + +void +arena_purge_all(arena_t *arena) +{ + + malloc_mutex_lock(&arena->lock); + arena_purge(arena, true); + malloc_mutex_unlock(&arena->lock); +} + +static void +arena_run_dalloc(arena_t *arena, arena_run_t *run, bool dirty, bool cleaned) +{ + arena_chunk_t *chunk; + size_t size, run_ind, run_pages, flag_dirty; + + chunk = (arena_chunk_t *)CHUNK_ADDR2BASE(run); + run_ind = (size_t)(((uintptr_t)run - (uintptr_t)chunk) >> LG_PAGE); + assert(run_ind >= map_bias); + assert(run_ind < chunk_npages); + if (arena_mapbits_large_get(chunk, run_ind) != 0) { + size = arena_mapbits_large_size_get(chunk, run_ind); + assert(size == PAGE || + arena_mapbits_large_size_get(chunk, + run_ind+(size>>LG_PAGE)-1) == 0); + } else { + size_t binind = arena_bin_index(arena, run->bin); + arena_bin_info_t *bin_info = &arena_bin_info[binind]; + size = bin_info->run_size; + } + run_pages = (size >> LG_PAGE); + if (config_stats) { + /* + * Update stats_cactive if nactive is crossing a chunk + * multiple. + */ + size_t cactive_diff = CHUNK_CEILING(arena->nactive << LG_PAGE) - + CHUNK_CEILING((arena->nactive - run_pages) << LG_PAGE); + if (cactive_diff != 0) + stats_cactive_sub(cactive_diff); + } + arena->nactive -= run_pages; + + /* + * The run is dirty if the caller claims to have dirtied it, as well as + * if it was already dirty before being allocated and the caller + * doesn't claim to have cleaned it. + */ + assert(arena_mapbits_dirty_get(chunk, run_ind) == + arena_mapbits_dirty_get(chunk, run_ind+run_pages-1)); + if (cleaned == false && arena_mapbits_dirty_get(chunk, run_ind) != 0) + dirty = true; + flag_dirty = dirty ? CHUNK_MAP_DIRTY : 0; + + /* Mark pages as unallocated in the chunk map. */ + if (dirty) { + arena_mapbits_unallocated_set(chunk, run_ind, size, + CHUNK_MAP_DIRTY); + arena_mapbits_unallocated_set(chunk, run_ind+run_pages-1, size, + CHUNK_MAP_DIRTY); + } else { + arena_mapbits_unallocated_set(chunk, run_ind, size, + arena_mapbits_unzeroed_get(chunk, run_ind)); + arena_mapbits_unallocated_set(chunk, run_ind+run_pages-1, size, + arena_mapbits_unzeroed_get(chunk, run_ind+run_pages-1)); + } + + /* Try to coalesce forward. */ + if (run_ind + run_pages < chunk_npages && + arena_mapbits_allocated_get(chunk, run_ind+run_pages) == 0 && + arena_mapbits_dirty_get(chunk, run_ind+run_pages) == flag_dirty) { + size_t nrun_size = arena_mapbits_unallocated_size_get(chunk, + run_ind+run_pages); + size_t nrun_pages = nrun_size >> LG_PAGE; + + /* + * Remove successor from runs_avail; the coalesced run is + * inserted later. + */ + assert(arena_mapbits_unallocated_size_get(chunk, + run_ind+run_pages+nrun_pages-1) == nrun_size); + assert(arena_mapbits_dirty_get(chunk, + run_ind+run_pages+nrun_pages-1) == flag_dirty); + arena_avail_remove(arena, chunk, run_ind+run_pages, nrun_pages, + false, true); + + size += nrun_size; + run_pages += nrun_pages; + + arena_mapbits_unallocated_size_set(chunk, run_ind, size); + arena_mapbits_unallocated_size_set(chunk, run_ind+run_pages-1, + size); + } + + /* Try to coalesce backward. */ + if (run_ind > map_bias && arena_mapbits_allocated_get(chunk, run_ind-1) + == 0 && arena_mapbits_dirty_get(chunk, run_ind-1) == flag_dirty) { + size_t prun_size = arena_mapbits_unallocated_size_get(chunk, + run_ind-1); + size_t prun_pages = prun_size >> LG_PAGE; + + run_ind -= prun_pages; + + /* + * Remove predecessor from runs_avail; the coalesced run is + * inserted later. + */ + assert(arena_mapbits_unallocated_size_get(chunk, run_ind) == + prun_size); + assert(arena_mapbits_dirty_get(chunk, run_ind) == flag_dirty); + arena_avail_remove(arena, chunk, run_ind, prun_pages, true, + false); + + size += prun_size; + run_pages += prun_pages; + + arena_mapbits_unallocated_size_set(chunk, run_ind, size); + arena_mapbits_unallocated_size_set(chunk, run_ind+run_pages-1, + size); + } + + /* Insert into runs_avail, now that coalescing is complete. */ + assert(arena_mapbits_unallocated_size_get(chunk, run_ind) == + arena_mapbits_unallocated_size_get(chunk, run_ind+run_pages-1)); + assert(arena_mapbits_dirty_get(chunk, run_ind) == + arena_mapbits_dirty_get(chunk, run_ind+run_pages-1)); + arena_avail_insert(arena, chunk, run_ind, run_pages, true, true); + + /* Deallocate chunk if it is now completely unused. */ + if (size == arena_maxclass) { + assert(run_ind == map_bias); + assert(run_pages == (arena_maxclass >> LG_PAGE)); + arena_chunk_dealloc(arena, chunk); + } + + /* + * It is okay to do dirty page processing here even if the chunk was + * deallocated above, since in that case it is the spare. Waiting + * until after possible chunk deallocation to do dirty processing + * allows for an old spare to be fully deallocated, thus decreasing the + * chances of spuriously crossing the dirty page purging threshold. + */ + if (dirty) + arena_maybe_purge(arena); +} + +static void +arena_run_trim_head(arena_t *arena, arena_chunk_t *chunk, arena_run_t *run, + size_t oldsize, size_t newsize) +{ + size_t pageind = ((uintptr_t)run - (uintptr_t)chunk) >> LG_PAGE; + size_t head_npages = (oldsize - newsize) >> LG_PAGE; + size_t flag_dirty = arena_mapbits_dirty_get(chunk, pageind); + + assert(oldsize > newsize); + + /* + * Update the chunk map so that arena_run_dalloc() can treat the + * leading run as separately allocated. Set the last element of each + * run first, in case of single-page runs. + */ + assert(arena_mapbits_large_size_get(chunk, pageind) == oldsize); + arena_mapbits_large_set(chunk, pageind+head_npages-1, 0, flag_dirty); + arena_mapbits_large_set(chunk, pageind, oldsize-newsize, flag_dirty); + + if (config_debug) { + UNUSED size_t tail_npages = newsize >> LG_PAGE; + assert(arena_mapbits_large_size_get(chunk, + pageind+head_npages+tail_npages-1) == 0); + assert(arena_mapbits_dirty_get(chunk, + pageind+head_npages+tail_npages-1) == flag_dirty); + } + arena_mapbits_large_set(chunk, pageind+head_npages, newsize, + flag_dirty); + + arena_run_dalloc(arena, run, false, false); +} + +static void +arena_run_trim_tail(arena_t *arena, arena_chunk_t *chunk, arena_run_t *run, + size_t oldsize, size_t newsize, bool dirty) +{ + size_t pageind = ((uintptr_t)run - (uintptr_t)chunk) >> LG_PAGE; + size_t head_npages = newsize >> LG_PAGE; + size_t flag_dirty = arena_mapbits_dirty_get(chunk, pageind); + + assert(oldsize > newsize); + + /* + * Update the chunk map so that arena_run_dalloc() can treat the + * trailing run as separately allocated. Set the last element of each + * run first, in case of single-page runs. + */ + assert(arena_mapbits_large_size_get(chunk, pageind) == oldsize); + arena_mapbits_large_set(chunk, pageind+head_npages-1, 0, flag_dirty); + arena_mapbits_large_set(chunk, pageind, newsize, flag_dirty); + + if (config_debug) { + UNUSED size_t tail_npages = (oldsize - newsize) >> LG_PAGE; + assert(arena_mapbits_large_size_get(chunk, + pageind+head_npages+tail_npages-1) == 0); + assert(arena_mapbits_dirty_get(chunk, + pageind+head_npages+tail_npages-1) == flag_dirty); + } + arena_mapbits_large_set(chunk, pageind+head_npages, oldsize-newsize, + flag_dirty); + + arena_run_dalloc(arena, (arena_run_t *)((uintptr_t)run + newsize), + dirty, false); +} + +static arena_run_t * +arena_bin_runs_first(arena_bin_t *bin) +{ + arena_chunk_map_t *mapelm = arena_run_tree_first(&bin->runs); + if (mapelm != NULL) { + arena_chunk_t *chunk; + size_t pageind; + arena_run_t *run; + + chunk = (arena_chunk_t *)CHUNK_ADDR2BASE(mapelm); + pageind = ((((uintptr_t)mapelm - (uintptr_t)chunk->map) / + sizeof(arena_chunk_map_t))) + map_bias; + run = (arena_run_t *)((uintptr_t)chunk + (uintptr_t)((pageind - + arena_mapbits_small_runind_get(chunk, pageind)) << + LG_PAGE)); + return (run); + } + + return (NULL); +} + +static void +arena_bin_runs_insert(arena_bin_t *bin, arena_run_t *run) +{ + arena_chunk_t *chunk = CHUNK_ADDR2BASE(run); + size_t pageind = ((uintptr_t)run - (uintptr_t)chunk) >> LG_PAGE; + arena_chunk_map_t *mapelm = arena_mapp_get(chunk, pageind); + + assert(arena_run_tree_search(&bin->runs, mapelm) == NULL); + + arena_run_tree_insert(&bin->runs, mapelm); +} + +static void +arena_bin_runs_remove(arena_bin_t *bin, arena_run_t *run) +{ + arena_chunk_t *chunk = (arena_chunk_t *)CHUNK_ADDR2BASE(run); + size_t pageind = ((uintptr_t)run - (uintptr_t)chunk) >> LG_PAGE; + arena_chunk_map_t *mapelm = arena_mapp_get(chunk, pageind); + + assert(arena_run_tree_search(&bin->runs, mapelm) != NULL); + + arena_run_tree_remove(&bin->runs, mapelm); +} + +static arena_run_t * +arena_bin_nonfull_run_tryget(arena_bin_t *bin) +{ + arena_run_t *run = arena_bin_runs_first(bin); + if (run != NULL) { + arena_bin_runs_remove(bin, run); + if (config_stats) + bin->stats.reruns++; + } + return (run); +} + +static arena_run_t * +arena_bin_nonfull_run_get(arena_t *arena, arena_bin_t *bin) +{ + arena_run_t *run; + size_t binind; + arena_bin_info_t *bin_info; + + /* Look for a usable run. */ + run = arena_bin_nonfull_run_tryget(bin); + if (run != NULL) + return (run); + /* No existing runs have any space available. */ + + binind = arena_bin_index(arena, bin); + bin_info = &arena_bin_info[binind]; + + /* Allocate a new run. */ + malloc_mutex_unlock(&bin->lock); + /******************************/ + malloc_mutex_lock(&arena->lock); + run = arena_run_alloc(arena, bin_info->run_size, false, binind, false); + if (run != NULL) { + bitmap_t *bitmap = (bitmap_t *)((uintptr_t)run + + (uintptr_t)bin_info->bitmap_offset); + + /* Initialize run internals. */ + VALGRIND_MAKE_MEM_UNDEFINED(run, bin_info->reg0_offset - + bin_info->redzone_size); + run->bin = bin; + run->nextind = 0; + run->nfree = bin_info->nregs; + bitmap_init(bitmap, &bin_info->bitmap_info); + } + malloc_mutex_unlock(&arena->lock); + /********************************/ + malloc_mutex_lock(&bin->lock); + if (run != NULL) { + if (config_stats) { + bin->stats.nruns++; + bin->stats.curruns++; + } + return (run); + } + + /* + * arena_run_alloc() failed, but another thread may have made + * sufficient memory available while this one dropped bin->lock above, + * so search one more time. + */ + run = arena_bin_nonfull_run_tryget(bin); + if (run != NULL) + return (run); + + return (NULL); +} + +/* Re-fill bin->runcur, then call arena_run_reg_alloc(). */ +static void * +arena_bin_malloc_hard(arena_t *arena, arena_bin_t *bin) +{ + void *ret; + size_t binind; + arena_bin_info_t *bin_info; + arena_run_t *run; + + binind = arena_bin_index(arena, bin); + bin_info = &arena_bin_info[binind]; + bin->runcur = NULL; + run = arena_bin_nonfull_run_get(arena, bin); + if (bin->runcur != NULL && bin->runcur->nfree > 0) { + /* + * Another thread updated runcur while this one ran without the + * bin lock in arena_bin_nonfull_run_get(). + */ + assert(bin->runcur->nfree > 0); + ret = arena_run_reg_alloc(bin->runcur, bin_info); + if (run != NULL) { + arena_chunk_t *chunk; + + /* + * arena_run_alloc() may have allocated run, or it may + * have pulled run from the bin's run tree. Therefore + * it is unsafe to make any assumptions about how run + * has previously been used, and arena_bin_lower_run() + * must be called, as if a region were just deallocated + * from the run. + */ + chunk = (arena_chunk_t *)CHUNK_ADDR2BASE(run); + if (run->nfree == bin_info->nregs) + arena_dalloc_bin_run(arena, chunk, run, bin); + else + arena_bin_lower_run(arena, chunk, run, bin); + } + return (ret); + } + + if (run == NULL) + return (NULL); + + bin->runcur = run; + + assert(bin->runcur->nfree > 0); + + return (arena_run_reg_alloc(bin->runcur, bin_info)); +} + +void +arena_prof_accum(arena_t *arena, uint64_t accumbytes) +{ + + cassert(config_prof); + + if (config_prof && prof_interval != 0) { + arena->prof_accumbytes += accumbytes; + if (arena->prof_accumbytes >= prof_interval) { + prof_idump(); + arena->prof_accumbytes -= prof_interval; + } + } +} + +void +arena_tcache_fill_small(arena_t *arena, tcache_bin_t *tbin, size_t binind, + uint64_t prof_accumbytes) +{ + unsigned i, nfill; + arena_bin_t *bin; + arena_run_t *run; + void *ptr; + + assert(tbin->ncached == 0); + + if (config_prof) { + malloc_mutex_lock(&arena->lock); + arena_prof_accum(arena, prof_accumbytes); + malloc_mutex_unlock(&arena->lock); + } + bin = &arena->bins[binind]; + malloc_mutex_lock(&bin->lock); + for (i = 0, nfill = (tcache_bin_info[binind].ncached_max >> + tbin->lg_fill_div); i < nfill; i++) { + if ((run = bin->runcur) != NULL && run->nfree > 0) + ptr = arena_run_reg_alloc(run, &arena_bin_info[binind]); + else + ptr = arena_bin_malloc_hard(arena, bin); + if (ptr == NULL) + break; + if (config_fill && opt_junk) { + arena_alloc_junk_small(ptr, &arena_bin_info[binind], + true); + } + /* Insert such that low regions get used first. */ + tbin->avail[nfill - 1 - i] = ptr; + } + if (config_stats) { + bin->stats.allocated += i * arena_bin_info[binind].reg_size; + bin->stats.nmalloc += i; + bin->stats.nrequests += tbin->tstats.nrequests; + bin->stats.nfills++; + tbin->tstats.nrequests = 0; + } + malloc_mutex_unlock(&bin->lock); + tbin->ncached = i; +} + +void +arena_alloc_junk_small(void *ptr, arena_bin_info_t *bin_info, bool zero) +{ + + if (zero) { + size_t redzone_size = bin_info->redzone_size; + memset((void *)((uintptr_t)ptr - redzone_size), 0xa5, + redzone_size); + memset((void *)((uintptr_t)ptr + bin_info->reg_size), 0xa5, + redzone_size); + } else { + memset((void *)((uintptr_t)ptr - bin_info->redzone_size), 0xa5, + bin_info->reg_interval); + } +} + +void +arena_dalloc_junk_small(void *ptr, arena_bin_info_t *bin_info) +{ + size_t size = bin_info->reg_size; + size_t redzone_size = bin_info->redzone_size; + size_t i; + bool error = false; + + for (i = 1; i <= redzone_size; i++) { + unsigned byte; + if ((byte = *(uint8_t *)((uintptr_t)ptr - i)) != 0xa5) { + error = true; + malloc_printf(": Corrupt redzone " + "%zu byte%s before %p (size %zu), byte=%#x\n", i, + (i == 1) ? "" : "s", ptr, size, byte); + } + } + for (i = 0; i < redzone_size; i++) { + unsigned byte; + if ((byte = *(uint8_t *)((uintptr_t)ptr + size + i)) != 0xa5) { + error = true; + malloc_printf(": Corrupt redzone " + "%zu byte%s after end of %p (size %zu), byte=%#x\n", + i, (i == 1) ? "" : "s", ptr, size, byte); + } + } + if (opt_abort && error) + abort(); + + memset((void *)((uintptr_t)ptr - redzone_size), 0x5a, + bin_info->reg_interval); +} + +void * +arena_malloc_small(arena_t *arena, size_t size, bool zero) +{ + void *ret; + arena_bin_t *bin; + arena_run_t *run; + size_t binind; + + binind = SMALL_SIZE2BIN(size); + assert(binind < NBINS); + bin = &arena->bins[binind]; + size = arena_bin_info[binind].reg_size; + + malloc_mutex_lock(&bin->lock); + if ((run = bin->runcur) != NULL && run->nfree > 0) + ret = arena_run_reg_alloc(run, &arena_bin_info[binind]); + else + ret = arena_bin_malloc_hard(arena, bin); + + if (ret == NULL) { + malloc_mutex_unlock(&bin->lock); + return (NULL); + } + + if (config_stats) { + bin->stats.allocated += size; + bin->stats.nmalloc++; + bin->stats.nrequests++; + } + malloc_mutex_unlock(&bin->lock); + if (config_prof && isthreaded == false) { + malloc_mutex_lock(&arena->lock); + arena_prof_accum(arena, size); + malloc_mutex_unlock(&arena->lock); + } + + if (zero == false) { + if (config_fill) { + if (opt_junk) { + arena_alloc_junk_small(ret, + &arena_bin_info[binind], false); + } else if (opt_zero) + memset(ret, 0, size); + } + } else { + if (config_fill && opt_junk) { + arena_alloc_junk_small(ret, &arena_bin_info[binind], + true); + } + VALGRIND_MAKE_MEM_UNDEFINED(ret, size); + memset(ret, 0, size); + } + + return (ret); +} + +void * +arena_malloc_large(arena_t *arena, size_t size, bool zero) +{ + void *ret; + + /* Large allocation. */ + size = PAGE_CEILING(size); + malloc_mutex_lock(&arena->lock); + ret = (void *)arena_run_alloc(arena, size, true, BININD_INVALID, zero); + if (ret == NULL) { + malloc_mutex_unlock(&arena->lock); + return (NULL); + } + if (config_stats) { + arena->stats.nmalloc_large++; + arena->stats.nrequests_large++; + arena->stats.allocated_large += size; + arena->stats.lstats[(size >> LG_PAGE) - 1].nmalloc++; + arena->stats.lstats[(size >> LG_PAGE) - 1].nrequests++; + arena->stats.lstats[(size >> LG_PAGE) - 1].curruns++; + } + if (config_prof) + arena_prof_accum(arena, size); + malloc_mutex_unlock(&arena->lock); + + if (zero == false) { + if (config_fill) { + if (opt_junk) + memset(ret, 0xa5, size); + else if (opt_zero) + memset(ret, 0, size); + } + } + + return (ret); +} + +/* Only handles large allocations that require more than page alignment. */ +void * +arena_palloc(arena_t *arena, size_t size, size_t alignment, bool zero) +{ + void *ret; + size_t alloc_size, leadsize, trailsize; + arena_run_t *run; + arena_chunk_t *chunk; + + assert((size & PAGE_MASK) == 0); + + alignment = PAGE_CEILING(alignment); + alloc_size = size + alignment - PAGE; + + malloc_mutex_lock(&arena->lock); + run = arena_run_alloc(arena, alloc_size, true, BININD_INVALID, zero); + if (run == NULL) { + malloc_mutex_unlock(&arena->lock); + return (NULL); + } + chunk = (arena_chunk_t *)CHUNK_ADDR2BASE(run); + + leadsize = ALIGNMENT_CEILING((uintptr_t)run, alignment) - + (uintptr_t)run; + assert(alloc_size >= leadsize + size); + trailsize = alloc_size - leadsize - size; + ret = (void *)((uintptr_t)run + leadsize); + if (leadsize != 0) { + arena_run_trim_head(arena, chunk, run, alloc_size, alloc_size - + leadsize); + } + if (trailsize != 0) { + arena_run_trim_tail(arena, chunk, ret, size + trailsize, size, + false); + } + + if (config_stats) { + arena->stats.nmalloc_large++; + arena->stats.nrequests_large++; + arena->stats.allocated_large += size; + arena->stats.lstats[(size >> LG_PAGE) - 1].nmalloc++; + arena->stats.lstats[(size >> LG_PAGE) - 1].nrequests++; + arena->stats.lstats[(size >> LG_PAGE) - 1].curruns++; + } + malloc_mutex_unlock(&arena->lock); + + if (config_fill && zero == false) { + if (opt_junk) + memset(ret, 0xa5, size); + else if (opt_zero) + memset(ret, 0, size); + } + return (ret); +} + +void +arena_prof_promoted(const void *ptr, size_t size) +{ + arena_chunk_t *chunk; + size_t pageind, binind; + + cassert(config_prof); + assert(ptr != NULL); + assert(CHUNK_ADDR2BASE(ptr) != ptr); + assert(isalloc(ptr, false) == PAGE); + assert(isalloc(ptr, true) == PAGE); + assert(size <= SMALL_MAXCLASS); + + chunk = (arena_chunk_t *)CHUNK_ADDR2BASE(ptr); + pageind = ((uintptr_t)ptr - (uintptr_t)chunk) >> LG_PAGE; + binind = SMALL_SIZE2BIN(size); + assert(binind < NBINS); + arena_mapbits_large_binind_set(chunk, pageind, binind); + + assert(isalloc(ptr, false) == PAGE); + assert(isalloc(ptr, true) == size); +} + +static void +arena_dissociate_bin_run(arena_chunk_t *chunk, arena_run_t *run, + arena_bin_t *bin) +{ + + /* Dissociate run from bin. */ + if (run == bin->runcur) + bin->runcur = NULL; + else { + size_t binind = arena_bin_index(chunk->arena, bin); + arena_bin_info_t *bin_info = &arena_bin_info[binind]; + + if (bin_info->nregs != 1) { + /* + * This block's conditional is necessary because if the + * run only contains one region, then it never gets + * inserted into the non-full runs tree. + */ + arena_bin_runs_remove(bin, run); + } + } +} + +static void +arena_dalloc_bin_run(arena_t *arena, arena_chunk_t *chunk, arena_run_t *run, + arena_bin_t *bin) +{ + size_t binind; + arena_bin_info_t *bin_info; + size_t npages, run_ind, past; + + assert(run != bin->runcur); + assert(arena_run_tree_search(&bin->runs, + arena_mapp_get(chunk, ((uintptr_t)run-(uintptr_t)chunk)>>LG_PAGE)) + == NULL); + + binind = arena_bin_index(chunk->arena, run->bin); + bin_info = &arena_bin_info[binind]; + + malloc_mutex_unlock(&bin->lock); + /******************************/ + npages = bin_info->run_size >> LG_PAGE; + run_ind = (size_t)(((uintptr_t)run - (uintptr_t)chunk) >> LG_PAGE); + past = (size_t)(PAGE_CEILING((uintptr_t)run + + (uintptr_t)bin_info->reg0_offset + (uintptr_t)(run->nextind * + bin_info->reg_interval - bin_info->redzone_size) - + (uintptr_t)chunk) >> LG_PAGE); + malloc_mutex_lock(&arena->lock); + + /* + * If the run was originally clean, and some pages were never touched, + * trim the clean pages before deallocating the dirty portion of the + * run. + */ + assert(arena_mapbits_dirty_get(chunk, run_ind) == + arena_mapbits_dirty_get(chunk, run_ind+npages-1)); + if (arena_mapbits_dirty_get(chunk, run_ind) == 0 && past - run_ind < + npages) { + /* Trim clean pages. Convert to large run beforehand. */ + assert(npages > 0); + arena_mapbits_large_set(chunk, run_ind, bin_info->run_size, 0); + arena_mapbits_large_set(chunk, run_ind+npages-1, 0, 0); + arena_run_trim_tail(arena, chunk, run, (npages << LG_PAGE), + ((past - run_ind) << LG_PAGE), false); + /* npages = past - run_ind; */ + } + arena_run_dalloc(arena, run, true, false); + malloc_mutex_unlock(&arena->lock); + /****************************/ + malloc_mutex_lock(&bin->lock); + if (config_stats) + bin->stats.curruns--; +} + +static void +arena_bin_lower_run(arena_t *arena, arena_chunk_t *chunk, arena_run_t *run, + arena_bin_t *bin) +{ + + /* + * Make sure that if bin->runcur is non-NULL, it refers to the lowest + * non-full run. It is okay to NULL runcur out rather than proactively + * keeping it pointing at the lowest non-full run. + */ + if ((uintptr_t)run < (uintptr_t)bin->runcur) { + /* Switch runcur. */ + if (bin->runcur->nfree > 0) + arena_bin_runs_insert(bin, bin->runcur); + bin->runcur = run; + if (config_stats) + bin->stats.reruns++; + } else + arena_bin_runs_insert(bin, run); +} + +void +arena_dalloc_bin_locked(arena_t *arena, arena_chunk_t *chunk, void *ptr, + arena_chunk_map_t *mapelm) +{ + size_t pageind; + arena_run_t *run; + arena_bin_t *bin; + arena_bin_info_t *bin_info; + size_t size, binind; + + pageind = ((uintptr_t)ptr - (uintptr_t)chunk) >> LG_PAGE; + run = (arena_run_t *)((uintptr_t)chunk + (uintptr_t)((pageind - + arena_mapbits_small_runind_get(chunk, pageind)) << LG_PAGE)); + bin = run->bin; + binind = arena_ptr_small_binind_get(ptr, mapelm->bits); + bin_info = &arena_bin_info[binind]; + if (config_fill || config_stats) + size = bin_info->reg_size; + + if (config_fill && opt_junk) + arena_dalloc_junk_small(ptr, bin_info); + + arena_run_reg_dalloc(run, ptr); + if (run->nfree == bin_info->nregs) { + arena_dissociate_bin_run(chunk, run, bin); + arena_dalloc_bin_run(arena, chunk, run, bin); + } else if (run->nfree == 1 && run != bin->runcur) + arena_bin_lower_run(arena, chunk, run, bin); + + if (config_stats) { + bin->stats.allocated -= size; + bin->stats.ndalloc++; + } +} + +void +arena_dalloc_bin(arena_t *arena, arena_chunk_t *chunk, void *ptr, + size_t pageind, arena_chunk_map_t *mapelm) +{ + arena_run_t *run; + arena_bin_t *bin; + + run = (arena_run_t *)((uintptr_t)chunk + (uintptr_t)((pageind - + arena_mapbits_small_runind_get(chunk, pageind)) << LG_PAGE)); + bin = run->bin; + malloc_mutex_lock(&bin->lock); + arena_dalloc_bin_locked(arena, chunk, ptr, mapelm); + malloc_mutex_unlock(&bin->lock); +} + +void +arena_dalloc_small(arena_t *arena, arena_chunk_t *chunk, void *ptr, + size_t pageind) +{ + arena_chunk_map_t *mapelm; + + if (config_debug) { + /* arena_ptr_small_binind_get() does extra sanity checking. */ + assert(arena_ptr_small_binind_get(ptr, arena_mapbits_get(chunk, + pageind)) != BININD_INVALID); + } + mapelm = arena_mapp_get(chunk, pageind); + arena_dalloc_bin(arena, chunk, ptr, pageind, mapelm); +} + +void +arena_dalloc_large_locked(arena_t *arena, arena_chunk_t *chunk, void *ptr) +{ + + if (config_fill || config_stats) { + size_t pageind = ((uintptr_t)ptr - (uintptr_t)chunk) >> LG_PAGE; + size_t size = arena_mapbits_large_size_get(chunk, pageind); + + if (config_fill && config_stats && opt_junk) + memset(ptr, 0x5a, size); + if (config_stats) { + arena->stats.ndalloc_large++; + arena->stats.allocated_large -= size; + arena->stats.lstats[(size >> LG_PAGE) - 1].ndalloc++; + arena->stats.lstats[(size >> LG_PAGE) - 1].curruns--; + } + } + + arena_run_dalloc(arena, (arena_run_t *)ptr, true, false); +} + +void +arena_dalloc_large(arena_t *arena, arena_chunk_t *chunk, void *ptr) +{ + + malloc_mutex_lock(&arena->lock); + arena_dalloc_large_locked(arena, chunk, ptr); + malloc_mutex_unlock(&arena->lock); +} + +static void +arena_ralloc_large_shrink(arena_t *arena, arena_chunk_t *chunk, void *ptr, + size_t oldsize, size_t size) +{ + + assert(size < oldsize); + + /* + * Shrink the run, and make trailing pages available for other + * allocations. + */ + malloc_mutex_lock(&arena->lock); + arena_run_trim_tail(arena, chunk, (arena_run_t *)ptr, oldsize, size, + true); + if (config_stats) { + arena->stats.ndalloc_large++; + arena->stats.allocated_large -= oldsize; + arena->stats.lstats[(oldsize >> LG_PAGE) - 1].ndalloc++; + arena->stats.lstats[(oldsize >> LG_PAGE) - 1].curruns--; + + arena->stats.nmalloc_large++; + arena->stats.nrequests_large++; + arena->stats.allocated_large += size; + arena->stats.lstats[(size >> LG_PAGE) - 1].nmalloc++; + arena->stats.lstats[(size >> LG_PAGE) - 1].nrequests++; + arena->stats.lstats[(size >> LG_PAGE) - 1].curruns++; + } + malloc_mutex_unlock(&arena->lock); +} + +static bool +arena_ralloc_large_grow(arena_t *arena, arena_chunk_t *chunk, void *ptr, + size_t oldsize, size_t size, size_t extra, bool zero) +{ + size_t pageind = ((uintptr_t)ptr - (uintptr_t)chunk) >> LG_PAGE; + size_t npages = oldsize >> LG_PAGE; + size_t followsize; + + assert(oldsize == arena_mapbits_large_size_get(chunk, pageind)); + + /* Try to extend the run. */ + assert(size + extra > oldsize); + malloc_mutex_lock(&arena->lock); + if (pageind + npages < chunk_npages && + arena_mapbits_allocated_get(chunk, pageind+npages) == 0 && + (followsize = arena_mapbits_unallocated_size_get(chunk, + pageind+npages)) >= size - oldsize) { + /* + * The next run is available and sufficiently large. Split the + * following run, then merge the first part with the existing + * allocation. + */ + size_t flag_dirty; + size_t splitsize = (oldsize + followsize <= size + extra) + ? followsize : size + extra - oldsize; + arena_run_split(arena, (arena_run_t *)((uintptr_t)chunk + + ((pageind+npages) << LG_PAGE)), splitsize, true, + BININD_INVALID, zero); + + size = oldsize + splitsize; + npages = size >> LG_PAGE; + + /* + * Mark the extended run as dirty if either portion of the run + * was dirty before allocation. This is rather pedantic, + * because there's not actually any sequence of events that + * could cause the resulting run to be passed to + * arena_run_dalloc() with the dirty argument set to false + * (which is when dirty flag consistency would really matter). + */ + flag_dirty = arena_mapbits_dirty_get(chunk, pageind) | + arena_mapbits_dirty_get(chunk, pageind+npages-1); + arena_mapbits_large_set(chunk, pageind, size, flag_dirty); + arena_mapbits_large_set(chunk, pageind+npages-1, 0, flag_dirty); + + if (config_stats) { + arena->stats.ndalloc_large++; + arena->stats.allocated_large -= oldsize; + arena->stats.lstats[(oldsize >> LG_PAGE) - 1].ndalloc++; + arena->stats.lstats[(oldsize >> LG_PAGE) - 1].curruns--; + + arena->stats.nmalloc_large++; + arena->stats.nrequests_large++; + arena->stats.allocated_large += size; + arena->stats.lstats[(size >> LG_PAGE) - 1].nmalloc++; + arena->stats.lstats[(size >> LG_PAGE) - 1].nrequests++; + arena->stats.lstats[(size >> LG_PAGE) - 1].curruns++; + } + malloc_mutex_unlock(&arena->lock); + return (false); + } + malloc_mutex_unlock(&arena->lock); + + return (true); +} + +/* + * Try to resize a large allocation, in order to avoid copying. This will + * always fail if growing an object, and the following run is already in use. + */ +static bool +arena_ralloc_large(void *ptr, size_t oldsize, size_t size, size_t extra, + bool zero) +{ + size_t psize; + + psize = PAGE_CEILING(size + extra); + if (psize == oldsize) { + /* Same size class. */ + if (config_fill && opt_junk && size < oldsize) { + memset((void *)((uintptr_t)ptr + size), 0x5a, oldsize - + size); + } + return (false); + } else { + arena_chunk_t *chunk; + arena_t *arena; + + chunk = (arena_chunk_t *)CHUNK_ADDR2BASE(ptr); + arena = chunk->arena; + + if (psize < oldsize) { + /* Fill before shrinking in order avoid a race. */ + if (config_fill && opt_junk) { + memset((void *)((uintptr_t)ptr + size), 0x5a, + oldsize - size); + } + arena_ralloc_large_shrink(arena, chunk, ptr, oldsize, + psize); + return (false); + } else { + bool ret = arena_ralloc_large_grow(arena, chunk, ptr, + oldsize, PAGE_CEILING(size), + psize - PAGE_CEILING(size), zero); + if (config_fill && ret == false && zero == false && + opt_zero) { + memset((void *)((uintptr_t)ptr + oldsize), 0, + size - oldsize); + } + return (ret); + } + } +} + +void * +arena_ralloc_no_move(void *ptr, size_t oldsize, size_t size, size_t extra, + bool zero) +{ + + /* + * Avoid moving the allocation if the size class can be left the same. + */ + if (oldsize <= arena_maxclass) { + if (oldsize <= SMALL_MAXCLASS) { + assert(arena_bin_info[SMALL_SIZE2BIN(oldsize)].reg_size + == oldsize); + if ((size + extra <= SMALL_MAXCLASS && + SMALL_SIZE2BIN(size + extra) == + SMALL_SIZE2BIN(oldsize)) || (size <= oldsize && + size + extra >= oldsize)) { + if (config_fill && opt_junk && size < oldsize) { + memset((void *)((uintptr_t)ptr + size), + 0x5a, oldsize - size); + } + return (ptr); + } + } else { + assert(size <= arena_maxclass); + if (size + extra > SMALL_MAXCLASS) { + if (arena_ralloc_large(ptr, oldsize, size, + extra, zero) == false) + return (ptr); + } + } + } + + /* Reallocation would require a move. */ + return (NULL); +} + +void * +arena_ralloc(arena_t *arena, void *ptr, size_t oldsize, size_t size, + size_t extra, size_t alignment, bool zero, bool try_tcache_alloc, + bool try_tcache_dalloc) +{ + void *ret; + size_t copysize; + + /* Try to avoid moving the allocation. */ + ret = arena_ralloc_no_move(ptr, oldsize, size, extra, zero); + if (ret != NULL) + return (ret); + + /* + * size and oldsize are different enough that we need to move the + * object. In that case, fall back to allocating new space and + * copying. + */ + if (alignment != 0) { + size_t usize = sa2u(size + extra, alignment); + if (usize == 0) + return (NULL); + ret = ipallocx(usize, alignment, zero, try_tcache_alloc, arena); + } else + ret = arena_malloc(arena, size + extra, zero, try_tcache_alloc); + + if (ret == NULL) { + if (extra == 0) + return (NULL); + /* Try again, this time without extra. */ + if (alignment != 0) { + size_t usize = sa2u(size, alignment); + if (usize == 0) + return (NULL); + ret = ipallocx(usize, alignment, zero, try_tcache_alloc, + arena); + } else + ret = arena_malloc(arena, size, zero, try_tcache_alloc); + + if (ret == NULL) + return (NULL); + } + + /* Junk/zero-filling were already done by ipalloc()/arena_malloc(). */ + + /* + * Copy at most size bytes (not size+extra), since the caller has no + * expectation that the extra bytes will be reliably preserved. + */ + copysize = (size < oldsize) ? size : oldsize; + VALGRIND_MAKE_MEM_UNDEFINED(ret, copysize); + memcpy(ret, ptr, copysize); + iqallocx(ptr, try_tcache_dalloc); + return (ret); +} + +dss_prec_t +arena_dss_prec_get(arena_t *arena) +{ + dss_prec_t ret; + + malloc_mutex_lock(&arena->lock); + ret = arena->dss_prec; + malloc_mutex_unlock(&arena->lock); + return (ret); +} + +void +arena_dss_prec_set(arena_t *arena, dss_prec_t dss_prec) +{ + + malloc_mutex_lock(&arena->lock); + arena->dss_prec = dss_prec; + malloc_mutex_unlock(&arena->lock); +} + +void +arena_stats_merge(arena_t *arena, const char **dss, size_t *nactive, + size_t *ndirty, arena_stats_t *astats, malloc_bin_stats_t *bstats, + malloc_large_stats_t *lstats) +{ + unsigned i; + + malloc_mutex_lock(&arena->lock); + *dss = dss_prec_names[arena->dss_prec]; + *nactive += arena->nactive; + *ndirty += arena->ndirty; + + astats->mapped += arena->stats.mapped; + astats->npurge += arena->stats.npurge; + astats->nmadvise += arena->stats.nmadvise; + astats->purged += arena->stats.purged; + astats->allocated_large += arena->stats.allocated_large; + astats->nmalloc_large += arena->stats.nmalloc_large; + astats->ndalloc_large += arena->stats.ndalloc_large; + astats->nrequests_large += arena->stats.nrequests_large; + + for (i = 0; i < nlclasses; i++) { + lstats[i].nmalloc += arena->stats.lstats[i].nmalloc; + lstats[i].ndalloc += arena->stats.lstats[i].ndalloc; + lstats[i].nrequests += arena->stats.lstats[i].nrequests; + lstats[i].curruns += arena->stats.lstats[i].curruns; + } + malloc_mutex_unlock(&arena->lock); + + for (i = 0; i < NBINS; i++) { + arena_bin_t *bin = &arena->bins[i]; + + malloc_mutex_lock(&bin->lock); + bstats[i].allocated += bin->stats.allocated; + bstats[i].nmalloc += bin->stats.nmalloc; + bstats[i].ndalloc += bin->stats.ndalloc; + bstats[i].nrequests += bin->stats.nrequests; + if (config_tcache) { + bstats[i].nfills += bin->stats.nfills; + bstats[i].nflushes += bin->stats.nflushes; + } + bstats[i].nruns += bin->stats.nruns; + bstats[i].reruns += bin->stats.reruns; + bstats[i].curruns += bin->stats.curruns; + malloc_mutex_unlock(&bin->lock); + } +} + +bool +arena_new(arena_t *arena, unsigned ind) +{ + unsigned i; + arena_bin_t *bin; + + arena->ind = ind; + arena->nthreads = 0; + + if (malloc_mutex_init(&arena->lock)) + return (true); + + if (config_stats) { + memset(&arena->stats, 0, sizeof(arena_stats_t)); + arena->stats.lstats = + (malloc_large_stats_t *)base_alloc(nlclasses * + sizeof(malloc_large_stats_t)); + if (arena->stats.lstats == NULL) + return (true); + memset(arena->stats.lstats, 0, nlclasses * + sizeof(malloc_large_stats_t)); + if (config_tcache) + ql_new(&arena->tcache_ql); + } + + if (config_prof) + arena->prof_accumbytes = 0; + + arena->dss_prec = chunk_dss_prec_get(); + + /* Initialize chunks. */ + arena_chunk_dirty_new(&arena->chunks_dirty); + arena->spare = NULL; + + arena->nactive = 0; + arena->ndirty = 0; + arena->npurgatory = 0; + + arena_avail_tree_new(&arena->runs_avail); + + /* Initialize bins. */ + for (i = 0; i < NBINS; i++) { + bin = &arena->bins[i]; + if (malloc_mutex_init(&bin->lock)) + return (true); + bin->runcur = NULL; + arena_run_tree_new(&bin->runs); + if (config_stats) + memset(&bin->stats, 0, sizeof(malloc_bin_stats_t)); + } + + return (false); +} + +/* + * Calculate bin_info->run_size such that it meets the following constraints: + * + * *) bin_info->run_size >= min_run_size + * *) bin_info->run_size <= arena_maxclass + * *) run header overhead <= RUN_MAX_OVRHD (or header overhead relaxed). + * *) bin_info->nregs <= RUN_MAXREGS + * + * bin_info->nregs, bin_info->bitmap_offset, and bin_info->reg0_offset are also + * calculated here, since these settings are all interdependent. + */ +static size_t +bin_info_run_size_calc(arena_bin_info_t *bin_info, size_t min_run_size) +{ + size_t pad_size; + size_t try_run_size, good_run_size; + uint32_t try_nregs, good_nregs; + uint32_t try_hdr_size, good_hdr_size; + uint32_t try_bitmap_offset, good_bitmap_offset; + uint32_t try_ctx0_offset, good_ctx0_offset; + uint32_t try_redzone0_offset, good_redzone0_offset; + + assert(min_run_size >= PAGE); + assert(min_run_size <= arena_maxclass); + + /* + * Determine redzone size based on minimum alignment and minimum + * redzone size. Add padding to the end of the run if it is needed to + * align the regions. The padding allows each redzone to be half the + * minimum alignment; without the padding, each redzone would have to + * be twice as large in order to maintain alignment. + */ + if (config_fill && opt_redzone) { + size_t align_min = ZU(1) << (ffs(bin_info->reg_size) - 1); + if (align_min <= REDZONE_MINSIZE) { + bin_info->redzone_size = REDZONE_MINSIZE; + pad_size = 0; + } else { + bin_info->redzone_size = align_min >> 1; + pad_size = bin_info->redzone_size; + } + } else { + bin_info->redzone_size = 0; + pad_size = 0; + } + bin_info->reg_interval = bin_info->reg_size + + (bin_info->redzone_size << 1); + + /* + * Calculate known-valid settings before entering the run_size + * expansion loop, so that the first part of the loop always copies + * valid settings. + * + * The do..while loop iteratively reduces the number of regions until + * the run header and the regions no longer overlap. A closed formula + * would be quite messy, since there is an interdependency between the + * header's mask length and the number of regions. + */ + try_run_size = min_run_size; + try_nregs = ((try_run_size - sizeof(arena_run_t)) / + bin_info->reg_interval) + + 1; /* Counter-act try_nregs-- in loop. */ + if (try_nregs > RUN_MAXREGS) { + try_nregs = RUN_MAXREGS + + 1; /* Counter-act try_nregs-- in loop. */ + } + do { + try_nregs--; + try_hdr_size = sizeof(arena_run_t); + /* Pad to a long boundary. */ + try_hdr_size = LONG_CEILING(try_hdr_size); + try_bitmap_offset = try_hdr_size; + /* Add space for bitmap. */ + try_hdr_size += bitmap_size(try_nregs); + if (config_prof && opt_prof && prof_promote == false) { + /* Pad to a quantum boundary. */ + try_hdr_size = QUANTUM_CEILING(try_hdr_size); + try_ctx0_offset = try_hdr_size; + /* Add space for one (prof_ctx_t *) per region. */ + try_hdr_size += try_nregs * sizeof(prof_ctx_t *); + } else + try_ctx0_offset = 0; + try_redzone0_offset = try_run_size - (try_nregs * + bin_info->reg_interval) - pad_size; + } while (try_hdr_size > try_redzone0_offset); + + /* run_size expansion loop. */ + do { + /* + * Copy valid settings before trying more aggressive settings. + */ + good_run_size = try_run_size; + good_nregs = try_nregs; + good_hdr_size = try_hdr_size; + good_bitmap_offset = try_bitmap_offset; + good_ctx0_offset = try_ctx0_offset; + good_redzone0_offset = try_redzone0_offset; + + /* Try more aggressive settings. */ + try_run_size += PAGE; + try_nregs = ((try_run_size - sizeof(arena_run_t) - pad_size) / + bin_info->reg_interval) + + 1; /* Counter-act try_nregs-- in loop. */ + if (try_nregs > RUN_MAXREGS) { + try_nregs = RUN_MAXREGS + + 1; /* Counter-act try_nregs-- in loop. */ + } + do { + try_nregs--; + try_hdr_size = sizeof(arena_run_t); + /* Pad to a long boundary. */ + try_hdr_size = LONG_CEILING(try_hdr_size); + try_bitmap_offset = try_hdr_size; + /* Add space for bitmap. */ + try_hdr_size += bitmap_size(try_nregs); + if (config_prof && opt_prof && prof_promote == false) { + /* Pad to a quantum boundary. */ + try_hdr_size = QUANTUM_CEILING(try_hdr_size); + try_ctx0_offset = try_hdr_size; + /* + * Add space for one (prof_ctx_t *) per region. + */ + try_hdr_size += try_nregs * + sizeof(prof_ctx_t *); + } + try_redzone0_offset = try_run_size - (try_nregs * + bin_info->reg_interval) - pad_size; + } while (try_hdr_size > try_redzone0_offset); + } while (try_run_size <= arena_maxclass + && try_run_size <= arena_maxclass + && RUN_MAX_OVRHD * (bin_info->reg_interval << 3) > + RUN_MAX_OVRHD_RELAX + && (try_redzone0_offset << RUN_BFP) > RUN_MAX_OVRHD * try_run_size + && try_nregs < RUN_MAXREGS); + + assert(good_hdr_size <= good_redzone0_offset); + + /* Copy final settings. */ + bin_info->run_size = good_run_size; + bin_info->nregs = good_nregs; + bin_info->bitmap_offset = good_bitmap_offset; + bin_info->ctx0_offset = good_ctx0_offset; + bin_info->reg0_offset = good_redzone0_offset + bin_info->redzone_size; + + assert(bin_info->reg0_offset - bin_info->redzone_size + (bin_info->nregs + * bin_info->reg_interval) + pad_size == bin_info->run_size); + + return (good_run_size); +} + +static void +bin_info_init(void) +{ + arena_bin_info_t *bin_info; + size_t prev_run_size = PAGE; + +#define SIZE_CLASS(bin, delta, size) \ + bin_info = &arena_bin_info[bin]; \ + bin_info->reg_size = size; \ + prev_run_size = bin_info_run_size_calc(bin_info, prev_run_size);\ + bitmap_info_init(&bin_info->bitmap_info, bin_info->nregs); + SIZE_CLASSES +#undef SIZE_CLASS +} + +void +arena_boot(void) +{ + size_t header_size; + unsigned i; + + /* + * Compute the header size such that it is large enough to contain the + * page map. The page map is biased to omit entries for the header + * itself, so some iteration is necessary to compute the map bias. + * + * 1) Compute safe header_size and map_bias values that include enough + * space for an unbiased page map. + * 2) Refine map_bias based on (1) to omit the header pages in the page + * map. The resulting map_bias may be one too small. + * 3) Refine map_bias based on (2). The result will be >= the result + * from (2), and will always be correct. + */ + map_bias = 0; + for (i = 0; i < 3; i++) { + header_size = offsetof(arena_chunk_t, map) + + (sizeof(arena_chunk_map_t) * (chunk_npages-map_bias)); + map_bias = (header_size >> LG_PAGE) + ((header_size & PAGE_MASK) + != 0); + } + assert(map_bias > 0); + + arena_maxclass = chunksize - (map_bias << LG_PAGE); + + bin_info_init(); +} + +void +arena_prefork(arena_t *arena) +{ + unsigned i; + + malloc_mutex_prefork(&arena->lock); + for (i = 0; i < NBINS; i++) + malloc_mutex_prefork(&arena->bins[i].lock); +} + +void +arena_postfork_parent(arena_t *arena) +{ + unsigned i; + + for (i = 0; i < NBINS; i++) + malloc_mutex_postfork_parent(&arena->bins[i].lock); + malloc_mutex_postfork_parent(&arena->lock); +} + +void +arena_postfork_child(arena_t *arena) +{ + unsigned i; + + for (i = 0; i < NBINS; i++) + malloc_mutex_postfork_child(&arena->bins[i].lock); + malloc_mutex_postfork_child(&arena->lock); +} diff --git a/deps/jemalloc/src/atomic.c b/deps/jemalloc/src/atomic.c new file mode 100644 index 0000000..77ee313 --- /dev/null +++ b/deps/jemalloc/src/atomic.c @@ -0,0 +1,2 @@ +#define JEMALLOC_ATOMIC_C_ +#include "jemalloc/internal/jemalloc_internal.h" diff --git a/deps/jemalloc/src/base.c b/deps/jemalloc/src/base.c new file mode 100644 index 0000000..b1a5945 --- /dev/null +++ b/deps/jemalloc/src/base.c @@ -0,0 +1,139 @@ +#define JEMALLOC_BASE_C_ +#include "jemalloc/internal/jemalloc_internal.h" + +/******************************************************************************/ +/* Data. */ + +static malloc_mutex_t base_mtx; + +/* + * Current pages that are being used for internal memory allocations. These + * pages are carved up in cacheline-size quanta, so that there is no chance of + * false cache line sharing. + */ +static void *base_pages; +static void *base_next_addr; +static void *base_past_addr; /* Addr immediately past base_pages. */ +static extent_node_t *base_nodes; + +/******************************************************************************/ +/* Function prototypes for non-inline static functions. */ + +static bool base_pages_alloc(size_t minsize); + +/******************************************************************************/ + +static bool +base_pages_alloc(size_t minsize) +{ + size_t csize; + bool zero; + + assert(minsize != 0); + csize = CHUNK_CEILING(minsize); + zero = false; + base_pages = chunk_alloc(csize, chunksize, true, &zero, + chunk_dss_prec_get()); + if (base_pages == NULL) + return (true); + base_next_addr = base_pages; + base_past_addr = (void *)((uintptr_t)base_pages + csize); + + return (false); +} + +void * +base_alloc(size_t size) +{ + void *ret; + size_t csize; + + /* Round size up to nearest multiple of the cacheline size. */ + csize = CACHELINE_CEILING(size); + + malloc_mutex_lock(&base_mtx); + /* Make sure there's enough space for the allocation. */ + if ((uintptr_t)base_next_addr + csize > (uintptr_t)base_past_addr) { + if (base_pages_alloc(csize)) { + malloc_mutex_unlock(&base_mtx); + return (NULL); + } + } + /* Allocate. */ + ret = base_next_addr; + base_next_addr = (void *)((uintptr_t)base_next_addr + csize); + malloc_mutex_unlock(&base_mtx); + + return (ret); +} + +void * +base_calloc(size_t number, size_t size) +{ + void *ret = base_alloc(number * size); + + if (ret != NULL) + memset(ret, 0, number * size); + + return (ret); +} + +extent_node_t * +base_node_alloc(void) +{ + extent_node_t *ret; + + malloc_mutex_lock(&base_mtx); + if (base_nodes != NULL) { + ret = base_nodes; + base_nodes = *(extent_node_t **)ret; + malloc_mutex_unlock(&base_mtx); + } else { + malloc_mutex_unlock(&base_mtx); + ret = (extent_node_t *)base_alloc(sizeof(extent_node_t)); + } + + return (ret); +} + +void +base_node_dealloc(extent_node_t *node) +{ + + malloc_mutex_lock(&base_mtx); + *(extent_node_t **)node = base_nodes; + base_nodes = node; + malloc_mutex_unlock(&base_mtx); +} + +bool +base_boot(void) +{ + + base_nodes = NULL; + if (malloc_mutex_init(&base_mtx)) + return (true); + + return (false); +} + +void +base_prefork(void) +{ + + malloc_mutex_prefork(&base_mtx); +} + +void +base_postfork_parent(void) +{ + + malloc_mutex_postfork_parent(&base_mtx); +} + +void +base_postfork_child(void) +{ + + malloc_mutex_postfork_child(&base_mtx); +} diff --git a/deps/jemalloc/src/bitmap.c b/deps/jemalloc/src/bitmap.c new file mode 100644 index 0000000..b47e262 --- /dev/null +++ b/deps/jemalloc/src/bitmap.c @@ -0,0 +1,90 @@ +#define JEMALLOC_BITMAP_C_ +#include "jemalloc/internal/jemalloc_internal.h" + +/******************************************************************************/ +/* Function prototypes for non-inline static functions. */ + +static size_t bits2groups(size_t nbits); + +/******************************************************************************/ + +static size_t +bits2groups(size_t nbits) +{ + + return ((nbits >> LG_BITMAP_GROUP_NBITS) + + !!(nbits & BITMAP_GROUP_NBITS_MASK)); +} + +void +bitmap_info_init(bitmap_info_t *binfo, size_t nbits) +{ + unsigned i; + size_t group_count; + + assert(nbits > 0); + assert(nbits <= (ZU(1) << LG_BITMAP_MAXBITS)); + + /* + * Compute the number of groups necessary to store nbits bits, and + * progressively work upward through the levels until reaching a level + * that requires only one group. + */ + binfo->levels[0].group_offset = 0; + group_count = bits2groups(nbits); + for (i = 1; group_count > 1; i++) { + assert(i < BITMAP_MAX_LEVELS); + binfo->levels[i].group_offset = binfo->levels[i-1].group_offset + + group_count; + group_count = bits2groups(group_count); + } + binfo->levels[i].group_offset = binfo->levels[i-1].group_offset + + group_count; + binfo->nlevels = i; + binfo->nbits = nbits; +} + +size_t +bitmap_info_ngroups(const bitmap_info_t *binfo) +{ + + return (binfo->levels[binfo->nlevels].group_offset << LG_SIZEOF_BITMAP); +} + +size_t +bitmap_size(size_t nbits) +{ + bitmap_info_t binfo; + + bitmap_info_init(&binfo, nbits); + return (bitmap_info_ngroups(&binfo)); +} + +void +bitmap_init(bitmap_t *bitmap, const bitmap_info_t *binfo) +{ + size_t extra; + unsigned i; + + /* + * Bits are actually inverted with regard to the external bitmap + * interface, so the bitmap starts out with all 1 bits, except for + * trailing unused bits (if any). Note that each group uses bit 0 to + * correspond to the first logical bit in the group, so extra bits + * are the most significant bits of the last group. + */ + memset(bitmap, 0xffU, binfo->levels[binfo->nlevels].group_offset << + LG_SIZEOF_BITMAP); + extra = (BITMAP_GROUP_NBITS - (binfo->nbits & BITMAP_GROUP_NBITS_MASK)) + & BITMAP_GROUP_NBITS_MASK; + if (extra != 0) + bitmap[binfo->levels[1].group_offset - 1] >>= extra; + for (i = 1; i < binfo->nlevels; i++) { + size_t group_count = binfo->levels[i].group_offset - + binfo->levels[i-1].group_offset; + extra = (BITMAP_GROUP_NBITS - (group_count & + BITMAP_GROUP_NBITS_MASK)) & BITMAP_GROUP_NBITS_MASK; + if (extra != 0) + bitmap[binfo->levels[i+1].group_offset - 1] >>= extra; + } +} diff --git a/deps/jemalloc/src/chunk.c b/deps/jemalloc/src/chunk.c new file mode 100644 index 0000000..1a3bb4f --- /dev/null +++ b/deps/jemalloc/src/chunk.c @@ -0,0 +1,381 @@ +#define JEMALLOC_CHUNK_C_ +#include "jemalloc/internal/jemalloc_internal.h" + +/******************************************************************************/ +/* Data. */ + +const char *opt_dss = DSS_DEFAULT; +size_t opt_lg_chunk = LG_CHUNK_DEFAULT; + +malloc_mutex_t chunks_mtx; +chunk_stats_t stats_chunks; + +/* + * Trees of chunks that were previously allocated (trees differ only in node + * ordering). These are used when allocating chunks, in an attempt to re-use + * address space. Depending on function, different tree orderings are needed, + * which is why there are two trees with the same contents. + */ +static extent_tree_t chunks_szad_mmap; +static extent_tree_t chunks_ad_mmap; +static extent_tree_t chunks_szad_dss; +static extent_tree_t chunks_ad_dss; + +rtree_t *chunks_rtree; + +/* Various chunk-related settings. */ +size_t chunksize; +size_t chunksize_mask; /* (chunksize - 1). */ +size_t chunk_npages; +size_t map_bias; +size_t arena_maxclass; /* Max size class for arenas. */ + +/******************************************************************************/ +/* Function prototypes for non-inline static functions. */ + +static void *chunk_recycle(extent_tree_t *chunks_szad, + extent_tree_t *chunks_ad, size_t size, size_t alignment, bool base, + bool *zero); +static void chunk_record(extent_tree_t *chunks_szad, + extent_tree_t *chunks_ad, void *chunk, size_t size); + +/******************************************************************************/ + +static void * +chunk_recycle(extent_tree_t *chunks_szad, extent_tree_t *chunks_ad, size_t size, + size_t alignment, bool base, bool *zero) +{ + void *ret; + extent_node_t *node; + extent_node_t key; + size_t alloc_size, leadsize, trailsize; + bool zeroed; + + if (base) { + /* + * This function may need to call base_node_{,de}alloc(), but + * the current chunk allocation request is on behalf of the + * base allocator. Avoid deadlock (and if that weren't an + * issue, potential for infinite recursion) by returning NULL. + */ + return (NULL); + } + + alloc_size = size + alignment - chunksize; + /* Beware size_t wrap-around. */ + if (alloc_size < size) + return (NULL); + key.addr = NULL; + key.size = alloc_size; + malloc_mutex_lock(&chunks_mtx); + node = extent_tree_szad_nsearch(chunks_szad, &key); + if (node == NULL) { + malloc_mutex_unlock(&chunks_mtx); + return (NULL); + } + leadsize = ALIGNMENT_CEILING((uintptr_t)node->addr, alignment) - + (uintptr_t)node->addr; + assert(node->size >= leadsize + size); + trailsize = node->size - leadsize - size; + ret = (void *)((uintptr_t)node->addr + leadsize); + /* Remove node from the tree. */ + extent_tree_szad_remove(chunks_szad, node); + extent_tree_ad_remove(chunks_ad, node); + if (leadsize != 0) { + /* Insert the leading space as a smaller chunk. */ + node->size = leadsize; + extent_tree_szad_insert(chunks_szad, node); + extent_tree_ad_insert(chunks_ad, node); + node = NULL; + } + if (trailsize != 0) { + /* Insert the trailing space as a smaller chunk. */ + if (node == NULL) { + /* + * An additional node is required, but + * base_node_alloc() can cause a new base chunk to be + * allocated. Drop chunks_mtx in order to avoid + * deadlock, and if node allocation fails, deallocate + * the result before returning an error. + */ + malloc_mutex_unlock(&chunks_mtx); + node = base_node_alloc(); + if (node == NULL) { + chunk_dealloc(ret, size, true); + return (NULL); + } + malloc_mutex_lock(&chunks_mtx); + } + node->addr = (void *)((uintptr_t)(ret) + size); + node->size = trailsize; + extent_tree_szad_insert(chunks_szad, node); + extent_tree_ad_insert(chunks_ad, node); + node = NULL; + } + malloc_mutex_unlock(&chunks_mtx); + + zeroed = false; + if (node != NULL) { + if (node->zeroed) { + zeroed = true; + *zero = true; + } + base_node_dealloc(node); + } + if (zeroed == false && *zero) { + VALGRIND_MAKE_MEM_UNDEFINED(ret, size); + memset(ret, 0, size); + } + return (ret); +} + +/* + * If the caller specifies (*zero == false), it is still possible to receive + * zeroed memory, in which case *zero is toggled to true. arena_chunk_alloc() + * takes advantage of this to avoid demanding zeroed chunks, but taking + * advantage of them if they are returned. + */ +void * +chunk_alloc(size_t size, size_t alignment, bool base, bool *zero, + dss_prec_t dss_prec) +{ + void *ret; + + assert(size != 0); + assert((size & chunksize_mask) == 0); + assert(alignment != 0); + assert((alignment & chunksize_mask) == 0); + + /* "primary" dss. */ + if (config_dss && dss_prec == dss_prec_primary) { + if ((ret = chunk_recycle(&chunks_szad_dss, &chunks_ad_dss, size, + alignment, base, zero)) != NULL) + goto label_return; + if ((ret = chunk_alloc_dss(size, alignment, zero)) != NULL) + goto label_return; + } + /* mmap. */ + if ((ret = chunk_recycle(&chunks_szad_mmap, &chunks_ad_mmap, size, + alignment, base, zero)) != NULL) + goto label_return; + if ((ret = chunk_alloc_mmap(size, alignment, zero)) != NULL) + goto label_return; + /* "secondary" dss. */ + if (config_dss && dss_prec == dss_prec_secondary) { + if ((ret = chunk_recycle(&chunks_szad_dss, &chunks_ad_dss, size, + alignment, base, zero)) != NULL) + goto label_return; + if ((ret = chunk_alloc_dss(size, alignment, zero)) != NULL) + goto label_return; + } + + /* All strategies for allocation failed. */ + ret = NULL; +label_return: + if (config_ivsalloc && base == false && ret != NULL) { + if (rtree_set(chunks_rtree, (uintptr_t)ret, ret)) { + chunk_dealloc(ret, size, true); + return (NULL); + } + } + if ((config_stats || config_prof) && ret != NULL) { + bool gdump; + malloc_mutex_lock(&chunks_mtx); + if (config_stats) + stats_chunks.nchunks += (size / chunksize); + stats_chunks.curchunks += (size / chunksize); + if (stats_chunks.curchunks > stats_chunks.highchunks) { + stats_chunks.highchunks = stats_chunks.curchunks; + if (config_prof) + gdump = true; + } else if (config_prof) + gdump = false; + malloc_mutex_unlock(&chunks_mtx); + if (config_prof && opt_prof && opt_prof_gdump && gdump) + prof_gdump(); + } + if (config_debug && *zero && ret != NULL) { + size_t i; + size_t *p = (size_t *)(uintptr_t)ret; + + VALGRIND_MAKE_MEM_DEFINED(ret, size); + for (i = 0; i < size / sizeof(size_t); i++) + assert(p[i] == 0); + } + assert(CHUNK_ADDR2BASE(ret) == ret); + return (ret); +} + +static void +chunk_record(extent_tree_t *chunks_szad, extent_tree_t *chunks_ad, void *chunk, + size_t size) +{ + bool unzeroed; + extent_node_t *xnode, *node, *prev, key; + + unzeroed = pages_purge(chunk, size); + + /* + * Allocate a node before acquiring chunks_mtx even though it might not + * be needed, because base_node_alloc() may cause a new base chunk to + * be allocated, which could cause deadlock if chunks_mtx were already + * held. + */ + xnode = base_node_alloc(); + + malloc_mutex_lock(&chunks_mtx); + key.addr = (void *)((uintptr_t)chunk + size); + node = extent_tree_ad_nsearch(chunks_ad, &key); + /* Try to coalesce forward. */ + if (node != NULL && node->addr == key.addr) { + /* + * Coalesce chunk with the following address range. This does + * not change the position within chunks_ad, so only + * remove/insert from/into chunks_szad. + */ + extent_tree_szad_remove(chunks_szad, node); + node->addr = chunk; + node->size += size; + node->zeroed = (node->zeroed && (unzeroed == false)); + extent_tree_szad_insert(chunks_szad, node); + if (xnode != NULL) + base_node_dealloc(xnode); + } else { + /* Coalescing forward failed, so insert a new node. */ + if (xnode == NULL) { + /* + * base_node_alloc() failed, which is an exceedingly + * unlikely failure. Leak chunk; its pages have + * already been purged, so this is only a virtual + * memory leak. + */ + malloc_mutex_unlock(&chunks_mtx); + return; + } + node = xnode; + node->addr = chunk; + node->size = size; + node->zeroed = (unzeroed == false); + extent_tree_ad_insert(chunks_ad, node); + extent_tree_szad_insert(chunks_szad, node); + } + + /* Try to coalesce backward. */ + prev = extent_tree_ad_prev(chunks_ad, node); + if (prev != NULL && (void *)((uintptr_t)prev->addr + prev->size) == + chunk) { + /* + * Coalesce chunk with the previous address range. This does + * not change the position within chunks_ad, so only + * remove/insert node from/into chunks_szad. + */ + extent_tree_szad_remove(chunks_szad, prev); + extent_tree_ad_remove(chunks_ad, prev); + + extent_tree_szad_remove(chunks_szad, node); + node->addr = prev->addr; + node->size += prev->size; + node->zeroed = (node->zeroed && prev->zeroed); + extent_tree_szad_insert(chunks_szad, node); + + base_node_dealloc(prev); + } + malloc_mutex_unlock(&chunks_mtx); +} + +void +chunk_unmap(void *chunk, size_t size) +{ + assert(chunk != NULL); + assert(CHUNK_ADDR2BASE(chunk) == chunk); + assert(size != 0); + assert((size & chunksize_mask) == 0); + + if (config_dss && chunk_in_dss(chunk)) + chunk_record(&chunks_szad_dss, &chunks_ad_dss, chunk, size); + else if (chunk_dealloc_mmap(chunk, size)) + chunk_record(&chunks_szad_mmap, &chunks_ad_mmap, chunk, size); +} + +void +chunk_dealloc(void *chunk, size_t size, bool unmap) +{ + + assert(chunk != NULL); + assert(CHUNK_ADDR2BASE(chunk) == chunk); + assert(size != 0); + assert((size & chunksize_mask) == 0); + + if (config_ivsalloc) + rtree_set(chunks_rtree, (uintptr_t)chunk, NULL); + if (config_stats || config_prof) { + malloc_mutex_lock(&chunks_mtx); + assert(stats_chunks.curchunks >= (size / chunksize)); + stats_chunks.curchunks -= (size / chunksize); + malloc_mutex_unlock(&chunks_mtx); + } + + if (unmap) + chunk_unmap(chunk, size); +} + +bool +chunk_boot(void) +{ + + /* Set variables according to the value of opt_lg_chunk. */ + chunksize = (ZU(1) << opt_lg_chunk); + assert(chunksize >= PAGE); + chunksize_mask = chunksize - 1; + chunk_npages = (chunksize >> LG_PAGE); + + if (config_stats || config_prof) { + if (malloc_mutex_init(&chunks_mtx)) + return (true); + memset(&stats_chunks, 0, sizeof(chunk_stats_t)); + } + if (config_dss && chunk_dss_boot()) + return (true); + extent_tree_szad_new(&chunks_szad_mmap); + extent_tree_ad_new(&chunks_ad_mmap); + extent_tree_szad_new(&chunks_szad_dss); + extent_tree_ad_new(&chunks_ad_dss); + if (config_ivsalloc) { + chunks_rtree = rtree_new((ZU(1) << (LG_SIZEOF_PTR+3)) - + opt_lg_chunk); + if (chunks_rtree == NULL) + return (true); + } + + return (false); +} + +void +chunk_prefork(void) +{ + + malloc_mutex_lock(&chunks_mtx); + if (config_ivsalloc) + rtree_prefork(chunks_rtree); + chunk_dss_prefork(); +} + +void +chunk_postfork_parent(void) +{ + + chunk_dss_postfork_parent(); + if (config_ivsalloc) + rtree_postfork_parent(chunks_rtree); + malloc_mutex_postfork_parent(&chunks_mtx); +} + +void +chunk_postfork_child(void) +{ + + chunk_dss_postfork_child(); + if (config_ivsalloc) + rtree_postfork_child(chunks_rtree); + malloc_mutex_postfork_child(&chunks_mtx); +} diff --git a/deps/jemalloc/src/chunk_dss.c b/deps/jemalloc/src/chunk_dss.c new file mode 100644 index 0000000..24781cc --- /dev/null +++ b/deps/jemalloc/src/chunk_dss.c @@ -0,0 +1,197 @@ +#define JEMALLOC_CHUNK_DSS_C_ +#include "jemalloc/internal/jemalloc_internal.h" +/******************************************************************************/ +/* Data. */ + +const char *dss_prec_names[] = { + "disabled", + "primary", + "secondary", + "N/A" +}; + +/* Current dss precedence default, used when creating new arenas. */ +static dss_prec_t dss_prec_default = DSS_PREC_DEFAULT; + +/* + * Protects sbrk() calls. This avoids malloc races among threads, though it + * does not protect against races with threads that call sbrk() directly. + */ +static malloc_mutex_t dss_mtx; + +/* Base address of the DSS. */ +static void *dss_base; +/* Current end of the DSS, or ((void *)-1) if the DSS is exhausted. */ +static void *dss_prev; +/* Current upper limit on DSS addresses. */ +static void *dss_max; + +/******************************************************************************/ + +#ifndef JEMALLOC_HAVE_SBRK +static void * +sbrk(intptr_t increment) +{ + + not_implemented(); + + return (NULL); +} +#endif + +dss_prec_t +chunk_dss_prec_get(void) +{ + dss_prec_t ret; + + if (config_dss == false) + return (dss_prec_disabled); + malloc_mutex_lock(&dss_mtx); + ret = dss_prec_default; + malloc_mutex_unlock(&dss_mtx); + return (ret); +} + +bool +chunk_dss_prec_set(dss_prec_t dss_prec) +{ + + if (config_dss == false) + return (true); + malloc_mutex_lock(&dss_mtx); + dss_prec_default = dss_prec; + malloc_mutex_unlock(&dss_mtx); + return (false); +} + +void * +chunk_alloc_dss(size_t size, size_t alignment, bool *zero) +{ + void *ret; + + cassert(config_dss); + assert(size > 0 && (size & chunksize_mask) == 0); + assert(alignment > 0 && (alignment & chunksize_mask) == 0); + + /* + * sbrk() uses a signed increment argument, so take care not to + * interpret a huge allocation request as a negative increment. + */ + if ((intptr_t)size < 0) + return (NULL); + + malloc_mutex_lock(&dss_mtx); + if (dss_prev != (void *)-1) { + size_t gap_size, cpad_size; + void *cpad, *dss_next; + intptr_t incr; + + /* + * The loop is necessary to recover from races with other + * threads that are using the DSS for something other than + * malloc. + */ + do { + /* Get the current end of the DSS. */ + dss_max = sbrk(0); + /* + * Calculate how much padding is necessary to + * chunk-align the end of the DSS. + */ + gap_size = (chunksize - CHUNK_ADDR2OFFSET(dss_max)) & + chunksize_mask; + /* + * Compute how much chunk-aligned pad space (if any) is + * necessary to satisfy alignment. This space can be + * recycled for later use. + */ + cpad = (void *)((uintptr_t)dss_max + gap_size); + ret = (void *)ALIGNMENT_CEILING((uintptr_t)dss_max, + alignment); + cpad_size = (uintptr_t)ret - (uintptr_t)cpad; + dss_next = (void *)((uintptr_t)ret + size); + if ((uintptr_t)ret < (uintptr_t)dss_max || + (uintptr_t)dss_next < (uintptr_t)dss_max) { + /* Wrap-around. */ + malloc_mutex_unlock(&dss_mtx); + return (NULL); + } + incr = gap_size + cpad_size + size; + dss_prev = sbrk(incr); + if (dss_prev == dss_max) { + /* Success. */ + dss_max = dss_next; + malloc_mutex_unlock(&dss_mtx); + if (cpad_size != 0) + chunk_unmap(cpad, cpad_size); + if (*zero) { + VALGRIND_MAKE_MEM_UNDEFINED(ret, size); + memset(ret, 0, size); + } + return (ret); + } + } while (dss_prev != (void *)-1); + } + malloc_mutex_unlock(&dss_mtx); + + return (NULL); +} + +bool +chunk_in_dss(void *chunk) +{ + bool ret; + + cassert(config_dss); + + malloc_mutex_lock(&dss_mtx); + if ((uintptr_t)chunk >= (uintptr_t)dss_base + && (uintptr_t)chunk < (uintptr_t)dss_max) + ret = true; + else + ret = false; + malloc_mutex_unlock(&dss_mtx); + + return (ret); +} + +bool +chunk_dss_boot(void) +{ + + cassert(config_dss); + + if (malloc_mutex_init(&dss_mtx)) + return (true); + dss_base = sbrk(0); + dss_prev = dss_base; + dss_max = dss_base; + + return (false); +} + +void +chunk_dss_prefork(void) +{ + + if (config_dss) + malloc_mutex_prefork(&dss_mtx); +} + +void +chunk_dss_postfork_parent(void) +{ + + if (config_dss) + malloc_mutex_postfork_parent(&dss_mtx); +} + +void +chunk_dss_postfork_child(void) +{ + + if (config_dss) + malloc_mutex_postfork_child(&dss_mtx); +} + +/******************************************************************************/ diff --git a/deps/jemalloc/src/chunk_mmap.c b/deps/jemalloc/src/chunk_mmap.c new file mode 100644 index 0000000..8a42e75 --- /dev/null +++ b/deps/jemalloc/src/chunk_mmap.c @@ -0,0 +1,210 @@ +#define JEMALLOC_CHUNK_MMAP_C_ +#include "jemalloc/internal/jemalloc_internal.h" + +/******************************************************************************/ +/* Function prototypes for non-inline static functions. */ + +static void *pages_map(void *addr, size_t size); +static void pages_unmap(void *addr, size_t size); +static void *chunk_alloc_mmap_slow(size_t size, size_t alignment, + bool *zero); + +/******************************************************************************/ + +static void * +pages_map(void *addr, size_t size) +{ + void *ret; + + assert(size != 0); + +#ifdef _WIN32 + /* + * If VirtualAlloc can't allocate at the given address when one is + * given, it fails and returns NULL. + */ + ret = VirtualAlloc(addr, size, MEM_COMMIT | MEM_RESERVE, + PAGE_READWRITE); +#else + /* + * We don't use MAP_FIXED here, because it can cause the *replacement* + * of existing mappings, and we only want to create new mappings. + */ + ret = mmap(addr, size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANON, + -1, 0); + assert(ret != NULL); + + if (ret == MAP_FAILED) + ret = NULL; + else if (addr != NULL && ret != addr) { + /* + * We succeeded in mapping memory, but not in the right place. + */ + if (munmap(ret, size) == -1) { + char buf[BUFERROR_BUF]; + + buferror(buf, sizeof(buf)); + malloc_printf(": Error in " +#ifdef _WIN32 + "VirtualFree" +#else + "munmap" +#endif + "(): %s\n", buf); + if (opt_abort) + abort(); + } +} + +static void * +pages_trim(void *addr, size_t alloc_size, size_t leadsize, size_t size) +{ + void *ret = (void *)((uintptr_t)addr + leadsize); + + assert(alloc_size >= leadsize + size); +#ifdef _WIN32 + { + void *new_addr; + + pages_unmap(addr, alloc_size); + new_addr = pages_map(ret, size); + if (new_addr == ret) + return (ret); + if (new_addr) + pages_unmap(new_addr, size); + return (NULL); + } +#else + { + size_t trailsize = alloc_size - leadsize - size; + + if (leadsize != 0) + pages_unmap(addr, leadsize); + if (trailsize != 0) + pages_unmap((void *)((uintptr_t)ret + size), trailsize); + return (ret); + } +#endif +} + +bool +pages_purge(void *addr, size_t length) +{ + bool unzeroed; + +#ifdef _WIN32 + VirtualAlloc(addr, length, MEM_RESET, PAGE_READWRITE); + unzeroed = true; +#else +# ifdef JEMALLOC_PURGE_MADVISE_DONTNEED +# define JEMALLOC_MADV_PURGE MADV_DONTNEED +# define JEMALLOC_MADV_ZEROS true +# elif defined(JEMALLOC_PURGE_MADVISE_FREE) +# define JEMALLOC_MADV_PURGE MADV_FREE +# define JEMALLOC_MADV_ZEROS false +# else +# error "No method defined for purging unused dirty pages." +# endif + int err = madvise(addr, length, JEMALLOC_MADV_PURGE); + unzeroed = (JEMALLOC_MADV_ZEROS == false || err != 0); +# undef JEMALLOC_MADV_PURGE +# undef JEMALLOC_MADV_ZEROS +#endif + return (unzeroed); +} + +static void * +chunk_alloc_mmap_slow(size_t size, size_t alignment, bool *zero) +{ + void *ret, *pages; + size_t alloc_size, leadsize; + + alloc_size = size + alignment - PAGE; + /* Beware size_t wrap-around. */ + if (alloc_size < size) + return (NULL); + do { + pages = pages_map(NULL, alloc_size); + if (pages == NULL) + return (NULL); + leadsize = ALIGNMENT_CEILING((uintptr_t)pages, alignment) - + (uintptr_t)pages; + ret = pages_trim(pages, alloc_size, leadsize, size); + } while (ret == NULL); + + assert(ret != NULL); + *zero = true; + return (ret); +} + +void * +chunk_alloc_mmap(size_t size, size_t alignment, bool *zero) +{ + void *ret; + size_t offset; + + /* + * Ideally, there would be a way to specify alignment to mmap() (like + * NetBSD has), but in the absence of such a feature, we have to work + * hard to efficiently create aligned mappings. The reliable, but + * slow method is to create a mapping that is over-sized, then trim the + * excess. However, that always results in one or two calls to + * pages_unmap(). + * + * Optimistically try mapping precisely the right amount before falling + * back to the slow method, with the expectation that the optimistic + * approach works most of the time. + */ + + assert(alignment != 0); + assert((alignment & chunksize_mask) == 0); + + ret = pages_map(NULL, size); + if (ret == NULL) + return (NULL); + offset = ALIGNMENT_ADDR2OFFSET(ret, alignment); + if (offset != 0) { + pages_unmap(ret, size); + return (chunk_alloc_mmap_slow(size, alignment, zero)); + } + + assert(ret != NULL); + *zero = true; + return (ret); +} + +bool +chunk_dealloc_mmap(void *chunk, size_t size) +{ + + if (config_munmap) + pages_unmap(chunk, size); + + return (config_munmap == false); +} diff --git a/deps/jemalloc/src/ckh.c b/deps/jemalloc/src/ckh.c new file mode 100644 index 0000000..742a950 --- /dev/null +++ b/deps/jemalloc/src/ckh.c @@ -0,0 +1,609 @@ +/* + ******************************************************************************* + * Implementation of (2^1+,2) cuckoo hashing, where 2^1+ indicates that each + * hash bucket contains 2^n cells, for n >= 1, and 2 indicates that two hash + * functions are employed. The original cuckoo hashing algorithm was described + * in: + * + * Pagh, R., F.F. Rodler (2004) Cuckoo Hashing. Journal of Algorithms + * 51(2):122-144. + * + * Generalization of cuckoo hashing was discussed in: + * + * Erlingsson, U., M. Manasse, F. McSherry (2006) A cool and practical + * alternative to traditional hash tables. In Proceedings of the 7th + * Workshop on Distributed Data and Structures (WDAS'06), Santa Clara, CA, + * January 2006. + * + * This implementation uses precisely two hash functions because that is the + * fewest that can work, and supporting multiple hashes is an implementation + * burden. Here is a reproduction of Figure 1 from Erlingsson et al. (2006) + * that shows approximate expected maximum load factors for various + * configurations: + * + * | #cells/bucket | + * #hashes | 1 | 2 | 4 | 8 | + * --------+-------+-------+-------+-------+ + * 1 | 0.006 | 0.006 | 0.03 | 0.12 | + * 2 | 0.49 | 0.86 |>0.93< |>0.96< | + * 3 | 0.91 | 0.97 | 0.98 | 0.999 | + * 4 | 0.97 | 0.99 | 0.999 | | + * + * The number of cells per bucket is chosen such that a bucket fits in one cache + * line. So, on 32- and 64-bit systems, we use (8,2) and (4,2) cuckoo hashing, + * respectively. + * + ******************************************************************************/ +#define JEMALLOC_CKH_C_ +#include "jemalloc/internal/jemalloc_internal.h" + +/******************************************************************************/ +/* Function prototypes for non-inline static functions. */ + +static bool ckh_grow(ckh_t *ckh); +static void ckh_shrink(ckh_t *ckh); + +/******************************************************************************/ + +/* + * Search bucket for key and return the cell number if found; SIZE_T_MAX + * otherwise. + */ +JEMALLOC_INLINE size_t +ckh_bucket_search(ckh_t *ckh, size_t bucket, const void *key) +{ + ckhc_t *cell; + unsigned i; + + for (i = 0; i < (ZU(1) << LG_CKH_BUCKET_CELLS); i++) { + cell = &ckh->tab[(bucket << LG_CKH_BUCKET_CELLS) + i]; + if (cell->key != NULL && ckh->keycomp(key, cell->key)) + return ((bucket << LG_CKH_BUCKET_CELLS) + i); + } + + return (SIZE_T_MAX); +} + +/* + * Search table for key and return cell number if found; SIZE_T_MAX otherwise. + */ +JEMALLOC_INLINE size_t +ckh_isearch(ckh_t *ckh, const void *key) +{ + size_t hash1, hash2, bucket, cell; + + assert(ckh != NULL); + + ckh->hash(key, ckh->lg_curbuckets, &hash1, &hash2); + + /* Search primary bucket. */ + bucket = hash1 & ((ZU(1) << ckh->lg_curbuckets) - 1); + cell = ckh_bucket_search(ckh, bucket, key); + if (cell != SIZE_T_MAX) + return (cell); + + /* Search secondary bucket. */ + bucket = hash2 & ((ZU(1) << ckh->lg_curbuckets) - 1); + cell = ckh_bucket_search(ckh, bucket, key); + return (cell); +} + +JEMALLOC_INLINE bool +ckh_try_bucket_insert(ckh_t *ckh, size_t bucket, const void *key, + const void *data) +{ + ckhc_t *cell; + unsigned offset, i; + + /* + * Cycle through the cells in the bucket, starting at a random position. + * The randomness avoids worst-case search overhead as buckets fill up. + */ + prng32(offset, LG_CKH_BUCKET_CELLS, ckh->prng_state, CKH_A, CKH_C); + for (i = 0; i < (ZU(1) << LG_CKH_BUCKET_CELLS); i++) { + cell = &ckh->tab[(bucket << LG_CKH_BUCKET_CELLS) + + ((i + offset) & ((ZU(1) << LG_CKH_BUCKET_CELLS) - 1))]; + if (cell->key == NULL) { + cell->key = key; + cell->data = data; + ckh->count++; + return (false); + } + } + + return (true); +} + +/* + * No space is available in bucket. Randomly evict an item, then try to find an + * alternate location for that item. Iteratively repeat this + * eviction/relocation procedure until either success or detection of an + * eviction/relocation bucket cycle. + */ +JEMALLOC_INLINE bool +ckh_evict_reloc_insert(ckh_t *ckh, size_t argbucket, void const **argkey, + void const **argdata) +{ + const void *key, *data, *tkey, *tdata; + ckhc_t *cell; + size_t hash1, hash2, bucket, tbucket; + unsigned i; + + bucket = argbucket; + key = *argkey; + data = *argdata; + while (true) { + /* + * Choose a random item within the bucket to evict. This is + * critical to correct function, because without (eventually) + * evicting all items within a bucket during iteration, it + * would be possible to get stuck in an infinite loop if there + * were an item for which both hashes indicated the same + * bucket. + */ + prng32(i, LG_CKH_BUCKET_CELLS, ckh->prng_state, CKH_A, CKH_C); + cell = &ckh->tab[(bucket << LG_CKH_BUCKET_CELLS) + i]; + assert(cell->key != NULL); + + /* Swap cell->{key,data} and {key,data} (evict). */ + tkey = cell->key; tdata = cell->data; + cell->key = key; cell->data = data; + key = tkey; data = tdata; + +#ifdef CKH_COUNT + ckh->nrelocs++; +#endif + + /* Find the alternate bucket for the evicted item. */ + ckh->hash(key, ckh->lg_curbuckets, &hash1, &hash2); + tbucket = hash2 & ((ZU(1) << ckh->lg_curbuckets) - 1); + if (tbucket == bucket) { + tbucket = hash1 & ((ZU(1) << ckh->lg_curbuckets) - 1); + /* + * It may be that (tbucket == bucket) still, if the + * item's hashes both indicate this bucket. However, + * we are guaranteed to eventually escape this bucket + * during iteration, assuming pseudo-random item + * selection (true randomness would make infinite + * looping a remote possibility). The reason we can + * never get trapped forever is that there are two + * cases: + * + * 1) This bucket == argbucket, so we will quickly + * detect an eviction cycle and terminate. + * 2) An item was evicted to this bucket from another, + * which means that at least one item in this bucket + * has hashes that indicate distinct buckets. + */ + } + /* Check for a cycle. */ + if (tbucket == argbucket) { + *argkey = key; + *argdata = data; + return (true); + } + + bucket = tbucket; + if (ckh_try_bucket_insert(ckh, bucket, key, data) == false) + return (false); + } +} + +JEMALLOC_INLINE bool +ckh_try_insert(ckh_t *ckh, void const**argkey, void const**argdata) +{ + size_t hash1, hash2, bucket; + const void *key = *argkey; + const void *data = *argdata; + + ckh->hash(key, ckh->lg_curbuckets, &hash1, &hash2); + + /* Try to insert in primary bucket. */ + bucket = hash1 & ((ZU(1) << ckh->lg_curbuckets) - 1); + if (ckh_try_bucket_insert(ckh, bucket, key, data) == false) + return (false); + + /* Try to insert in secondary bucket. */ + bucket = hash2 & ((ZU(1) << ckh->lg_curbuckets) - 1); + if (ckh_try_bucket_insert(ckh, bucket, key, data) == false) + return (false); + + /* + * Try to find a place for this item via iterative eviction/relocation. + */ + return (ckh_evict_reloc_insert(ckh, bucket, argkey, argdata)); +} + +/* + * Try to rebuild the hash table from scratch by inserting all items from the + * old table into the new. + */ +JEMALLOC_INLINE bool +ckh_rebuild(ckh_t *ckh, ckhc_t *aTab) +{ + size_t count, i, nins; + const void *key, *data; + + count = ckh->count; + ckh->count = 0; + for (i = nins = 0; nins < count; i++) { + if (aTab[i].key != NULL) { + key = aTab[i].key; + data = aTab[i].data; + if (ckh_try_insert(ckh, &key, &data)) { + ckh->count = count; + return (true); + } + nins++; + } + } + + return (false); +} + +static bool +ckh_grow(ckh_t *ckh) +{ + bool ret; + ckhc_t *tab, *ttab; + size_t lg_curcells; + unsigned lg_prevbuckets; + +#ifdef CKH_COUNT + ckh->ngrows++; +#endif + + /* + * It is possible (though unlikely, given well behaved hashes) that the + * table will have to be doubled more than once in order to create a + * usable table. + */ + lg_prevbuckets = ckh->lg_curbuckets; + lg_curcells = ckh->lg_curbuckets + LG_CKH_BUCKET_CELLS; + while (true) { + size_t usize; + + lg_curcells++; + usize = sa2u(sizeof(ckhc_t) << lg_curcells, CACHELINE); + if (usize == 0) { + ret = true; + goto label_return; + } + tab = (ckhc_t *)ipalloc(usize, CACHELINE, true); + if (tab == NULL) { + ret = true; + goto label_return; + } + /* Swap in new table. */ + ttab = ckh->tab; + ckh->tab = tab; + tab = ttab; + ckh->lg_curbuckets = lg_curcells - LG_CKH_BUCKET_CELLS; + + if (ckh_rebuild(ckh, tab) == false) { + idalloc(tab); + break; + } + + /* Rebuilding failed, so back out partially rebuilt table. */ + idalloc(ckh->tab); + ckh->tab = tab; + ckh->lg_curbuckets = lg_prevbuckets; + } + + ret = false; +label_return: + return (ret); +} + +static void +ckh_shrink(ckh_t *ckh) +{ + ckhc_t *tab, *ttab; + size_t lg_curcells, usize; + unsigned lg_prevbuckets; + + /* + * It is possible (though unlikely, given well behaved hashes) that the + * table rebuild will fail. + */ + lg_prevbuckets = ckh->lg_curbuckets; + lg_curcells = ckh->lg_curbuckets + LG_CKH_BUCKET_CELLS - 1; + usize = sa2u(sizeof(ckhc_t) << lg_curcells, CACHELINE); + if (usize == 0) + return; + tab = (ckhc_t *)ipalloc(usize, CACHELINE, true); + if (tab == NULL) { + /* + * An OOM error isn't worth propagating, since it doesn't + * prevent this or future operations from proceeding. + */ + return; + } + /* Swap in new table. */ + ttab = ckh->tab; + ckh->tab = tab; + tab = ttab; + ckh->lg_curbuckets = lg_curcells - LG_CKH_BUCKET_CELLS; + + if (ckh_rebuild(ckh, tab) == false) { + idalloc(tab); +#ifdef CKH_COUNT + ckh->nshrinks++; +#endif + return; + } + + /* Rebuilding failed, so back out partially rebuilt table. */ + idalloc(ckh->tab); + ckh->tab = tab; + ckh->lg_curbuckets = lg_prevbuckets; +#ifdef CKH_COUNT + ckh->nshrinkfails++; +#endif +} + +bool +ckh_new(ckh_t *ckh, size_t minitems, ckh_hash_t *hash, ckh_keycomp_t *keycomp) +{ + bool ret; + size_t mincells, usize; + unsigned lg_mincells; + + assert(minitems > 0); + assert(hash != NULL); + assert(keycomp != NULL); + +#ifdef CKH_COUNT + ckh->ngrows = 0; + ckh->nshrinks = 0; + ckh->nshrinkfails = 0; + ckh->ninserts = 0; + ckh->nrelocs = 0; +#endif + ckh->prng_state = 42; /* Value doesn't really matter. */ + ckh->count = 0; + + /* + * Find the minimum power of 2 that is large enough to fit aBaseCount + * entries. We are using (2+,2) cuckoo hashing, which has an expected + * maximum load factor of at least ~0.86, so 0.75 is a conservative load + * factor that will typically allow 2^aLgMinItems to fit without ever + * growing the table. + */ + assert(LG_CKH_BUCKET_CELLS > 0); + mincells = ((minitems + (3 - (minitems % 3))) / 3) << 2; + for (lg_mincells = LG_CKH_BUCKET_CELLS; + (ZU(1) << lg_mincells) < mincells; + lg_mincells++) + ; /* Do nothing. */ + ckh->lg_minbuckets = lg_mincells - LG_CKH_BUCKET_CELLS; + ckh->lg_curbuckets = lg_mincells - LG_CKH_BUCKET_CELLS; + ckh->hash = hash; + ckh->keycomp = keycomp; + + usize = sa2u(sizeof(ckhc_t) << lg_mincells, CACHELINE); + if (usize == 0) { + ret = true; + goto label_return; + } + ckh->tab = (ckhc_t *)ipalloc(usize, CACHELINE, true); + if (ckh->tab == NULL) { + ret = true; + goto label_return; + } + + ret = false; +label_return: + return (ret); +} + +void +ckh_delete(ckh_t *ckh) +{ + + assert(ckh != NULL); + +#ifdef CKH_VERBOSE + malloc_printf( + "%s(%p): ngrows: %"PRIu64", nshrinks: %"PRIu64"," + " nshrinkfails: %"PRIu64", ninserts: %"PRIu64"," + " nrelocs: %"PRIu64"\n", __func__, ckh, + (unsigned long long)ckh->ngrows, + (unsigned long long)ckh->nshrinks, + (unsigned long long)ckh->nshrinkfails, + (unsigned long long)ckh->ninserts, + (unsigned long long)ckh->nrelocs); +#endif + + idalloc(ckh->tab); +#ifdef JEMALLOC_DEBUG + memset(ckh, 0x5a, sizeof(ckh_t)); +#endif +} + +size_t +ckh_count(ckh_t *ckh) +{ + + assert(ckh != NULL); + + return (ckh->count); +} + +bool +ckh_iter(ckh_t *ckh, size_t *tabind, void **key, void **data) +{ + size_t i, ncells; + + for (i = *tabind, ncells = (ZU(1) << (ckh->lg_curbuckets + + LG_CKH_BUCKET_CELLS)); i < ncells; i++) { + if (ckh->tab[i].key != NULL) { + if (key != NULL) + *key = (void *)ckh->tab[i].key; + if (data != NULL) + *data = (void *)ckh->tab[i].data; + *tabind = i + 1; + return (false); + } + } + + return (true); +} + +bool +ckh_insert(ckh_t *ckh, const void *key, const void *data) +{ + bool ret; + + assert(ckh != NULL); + assert(ckh_search(ckh, key, NULL, NULL)); + +#ifdef CKH_COUNT + ckh->ninserts++; +#endif + + while (ckh_try_insert(ckh, &key, &data)) { + if (ckh_grow(ckh)) { + ret = true; + goto label_return; + } + } + + ret = false; +label_return: + return (ret); +} + +bool +ckh_remove(ckh_t *ckh, const void *searchkey, void **key, void **data) +{ + size_t cell; + + assert(ckh != NULL); + + cell = ckh_isearch(ckh, searchkey); + if (cell != SIZE_T_MAX) { + if (key != NULL) + *key = (void *)ckh->tab[cell].key; + if (data != NULL) + *data = (void *)ckh->tab[cell].data; + ckh->tab[cell].key = NULL; + ckh->tab[cell].data = NULL; /* Not necessary. */ + + ckh->count--; + /* Try to halve the table if it is less than 1/4 full. */ + if (ckh->count < (ZU(1) << (ckh->lg_curbuckets + + LG_CKH_BUCKET_CELLS - 2)) && ckh->lg_curbuckets + > ckh->lg_minbuckets) { + /* Ignore error due to OOM. */ + ckh_shrink(ckh); + } + + return (false); + } + + return (true); +} + +bool +ckh_search(ckh_t *ckh, const void *searchkey, void **key, void **data) +{ + size_t cell; + + assert(ckh != NULL); + + cell = ckh_isearch(ckh, searchkey); + if (cell != SIZE_T_MAX) { + if (key != NULL) + *key = (void *)ckh->tab[cell].key; + if (data != NULL) + *data = (void *)ckh->tab[cell].data; + return (false); + } + + return (true); +} + +void +ckh_string_hash(const void *key, unsigned minbits, size_t *hash1, size_t *hash2) +{ + size_t ret1, ret2; + uint64_t h; + + assert(minbits <= 32 || (SIZEOF_PTR == 8 && minbits <= 64)); + assert(hash1 != NULL); + assert(hash2 != NULL); + + h = hash(key, strlen((const char *)key), UINT64_C(0x94122f335b332aea)); + if (minbits <= 32) { + /* + * Avoid doing multiple hashes, since a single hash provides + * enough bits. + */ + ret1 = h & ZU(0xffffffffU); + ret2 = h >> 32; + } else { + ret1 = h; + ret2 = hash(key, strlen((const char *)key), + UINT64_C(0x8432a476666bbc13)); + } + + *hash1 = ret1; + *hash2 = ret2; +} + +bool +ckh_string_keycomp(const void *k1, const void *k2) +{ + + assert(k1 != NULL); + assert(k2 != NULL); + + return (strcmp((char *)k1, (char *)k2) ? false : true); +} + +void +ckh_pointer_hash(const void *key, unsigned minbits, size_t *hash1, + size_t *hash2) +{ + size_t ret1, ret2; + uint64_t h; + union { + const void *v; + uint64_t i; + } u; + + assert(minbits <= 32 || (SIZEOF_PTR == 8 && minbits <= 64)); + assert(hash1 != NULL); + assert(hash2 != NULL); + + assert(sizeof(u.v) == sizeof(u.i)); +#if (LG_SIZEOF_PTR != LG_SIZEOF_INT) + u.i = 0; +#endif + u.v = key; + h = hash(&u.i, sizeof(u.i), UINT64_C(0xd983396e68886082)); + if (minbits <= 32) { + /* + * Avoid doing multiple hashes, since a single hash provides + * enough bits. + */ + ret1 = h & ZU(0xffffffffU); + ret2 = h >> 32; + } else { + assert(SIZEOF_PTR == 8); + ret1 = h; + ret2 = hash(&u.i, sizeof(u.i), UINT64_C(0x5e2be9aff8709a5d)); + } + + *hash1 = ret1; + *hash2 = ret2; +} + +bool +ckh_pointer_keycomp(const void *k1, const void *k2) +{ + + return ((k1 == k2) ? true : false); +} diff --git a/deps/jemalloc/src/ctl.c b/deps/jemalloc/src/ctl.c new file mode 100644 index 0000000..6e01b1e --- /dev/null +++ b/deps/jemalloc/src/ctl.c @@ -0,0 +1,1671 @@ +#define JEMALLOC_CTL_C_ +#include "jemalloc/internal/jemalloc_internal.h" + +/******************************************************************************/ +/* Data. */ + +/* + * ctl_mtx protects the following: + * - ctl_stats.* + * - opt_prof_active + */ +static malloc_mutex_t ctl_mtx; +static bool ctl_initialized; +static uint64_t ctl_epoch; +static ctl_stats_t ctl_stats; + +/******************************************************************************/ +/* Helpers for named and indexed nodes. */ + +static inline const ctl_named_node_t * +ctl_named_node(const ctl_node_t *node) +{ + + return ((node->named) ? (const ctl_named_node_t *)node : NULL); +} + +static inline const ctl_named_node_t * +ctl_named_children(const ctl_named_node_t *node, int index) +{ + const ctl_named_node_t *children = ctl_named_node(node->children); + + return (children ? &children[index] : NULL); +} + +static inline const ctl_indexed_node_t * +ctl_indexed_node(const ctl_node_t *node) +{ + + return ((node->named == false) ? (const ctl_indexed_node_t *)node : + NULL); +} + +/******************************************************************************/ +/* Function prototypes for non-inline static functions. */ + +#define CTL_PROTO(n) \ +static int n##_ctl(const size_t *mib, size_t miblen, void *oldp, \ + size_t *oldlenp, void *newp, size_t newlen); + +#define INDEX_PROTO(n) \ +static const ctl_named_node_t *n##_index(const size_t *mib, \ + size_t miblen, size_t i); + +static bool ctl_arena_init(ctl_arena_stats_t *astats); +static void ctl_arena_clear(ctl_arena_stats_t *astats); +static void ctl_arena_stats_amerge(ctl_arena_stats_t *cstats, + arena_t *arena); +static void ctl_arena_stats_smerge(ctl_arena_stats_t *sstats, + ctl_arena_stats_t *astats); +static void ctl_arena_refresh(arena_t *arena, unsigned i); +static bool ctl_grow(void); +static void ctl_refresh(void); +static bool ctl_init(void); +static int ctl_lookup(const char *name, ctl_node_t const **nodesp, + size_t *mibp, size_t *depthp); + +CTL_PROTO(version) +CTL_PROTO(epoch) +CTL_PROTO(thread_tcache_enabled) +CTL_PROTO(thread_tcache_flush) +CTL_PROTO(thread_arena) +CTL_PROTO(thread_allocated) +CTL_PROTO(thread_allocatedp) +CTL_PROTO(thread_deallocated) +CTL_PROTO(thread_deallocatedp) +CTL_PROTO(config_debug) +CTL_PROTO(config_dss) +CTL_PROTO(config_fill) +CTL_PROTO(config_lazy_lock) +CTL_PROTO(config_mremap) +CTL_PROTO(config_munmap) +CTL_PROTO(config_prof) +CTL_PROTO(config_prof_libgcc) +CTL_PROTO(config_prof_libunwind) +CTL_PROTO(config_stats) +CTL_PROTO(config_tcache) +CTL_PROTO(config_tls) +CTL_PROTO(config_utrace) +CTL_PROTO(config_valgrind) +CTL_PROTO(config_xmalloc) +CTL_PROTO(opt_abort) +CTL_PROTO(opt_dss) +CTL_PROTO(opt_lg_chunk) +CTL_PROTO(opt_narenas) +CTL_PROTO(opt_lg_dirty_mult) +CTL_PROTO(opt_stats_print) +CTL_PROTO(opt_junk) +CTL_PROTO(opt_zero) +CTL_PROTO(opt_quarantine) +CTL_PROTO(opt_redzone) +CTL_PROTO(opt_utrace) +CTL_PROTO(opt_valgrind) +CTL_PROTO(opt_xmalloc) +CTL_PROTO(opt_tcache) +CTL_PROTO(opt_lg_tcache_max) +CTL_PROTO(opt_prof) +CTL_PROTO(opt_prof_prefix) +CTL_PROTO(opt_prof_active) +CTL_PROTO(opt_lg_prof_sample) +CTL_PROTO(opt_lg_prof_interval) +CTL_PROTO(opt_prof_gdump) +CTL_PROTO(opt_prof_final) +CTL_PROTO(opt_prof_leak) +CTL_PROTO(opt_prof_accum) +CTL_PROTO(arena_i_purge) +static void arena_purge(unsigned arena_ind); +CTL_PROTO(arena_i_dss) +INDEX_PROTO(arena_i) +CTL_PROTO(arenas_bin_i_size) +CTL_PROTO(arenas_bin_i_nregs) +CTL_PROTO(arenas_bin_i_run_size) +INDEX_PROTO(arenas_bin_i) +CTL_PROTO(arenas_lrun_i_size) +INDEX_PROTO(arenas_lrun_i) +CTL_PROTO(arenas_narenas) +CTL_PROTO(arenas_initialized) +CTL_PROTO(arenas_quantum) +CTL_PROTO(arenas_page) +CTL_PROTO(arenas_tcache_max) +CTL_PROTO(arenas_nbins) +CTL_PROTO(arenas_nhbins) +CTL_PROTO(arenas_nlruns) +CTL_PROTO(arenas_purge) +CTL_PROTO(arenas_extend) +CTL_PROTO(prof_active) +CTL_PROTO(prof_dump) +CTL_PROTO(prof_interval) +CTL_PROTO(stats_chunks_current) +CTL_PROTO(stats_chunks_total) +CTL_PROTO(stats_chunks_high) +CTL_PROTO(stats_huge_allocated) +CTL_PROTO(stats_huge_nmalloc) +CTL_PROTO(stats_huge_ndalloc) +CTL_PROTO(stats_arenas_i_small_allocated) +CTL_PROTO(stats_arenas_i_small_nmalloc) +CTL_PROTO(stats_arenas_i_small_ndalloc) +CTL_PROTO(stats_arenas_i_small_nrequests) +CTL_PROTO(stats_arenas_i_large_allocated) +CTL_PROTO(stats_arenas_i_large_nmalloc) +CTL_PROTO(stats_arenas_i_large_ndalloc) +CTL_PROTO(stats_arenas_i_large_nrequests) +CTL_PROTO(stats_arenas_i_bins_j_allocated) +CTL_PROTO(stats_arenas_i_bins_j_nmalloc) +CTL_PROTO(stats_arenas_i_bins_j_ndalloc) +CTL_PROTO(stats_arenas_i_bins_j_nrequests) +CTL_PROTO(stats_arenas_i_bins_j_nfills) +CTL_PROTO(stats_arenas_i_bins_j_nflushes) +CTL_PROTO(stats_arenas_i_bins_j_nruns) +CTL_PROTO(stats_arenas_i_bins_j_nreruns) +CTL_PROTO(stats_arenas_i_bins_j_curruns) +INDEX_PROTO(stats_arenas_i_bins_j) +CTL_PROTO(stats_arenas_i_lruns_j_nmalloc) +CTL_PROTO(stats_arenas_i_lruns_j_ndalloc) +CTL_PROTO(stats_arenas_i_lruns_j_nrequests) +CTL_PROTO(stats_arenas_i_lruns_j_curruns) +INDEX_PROTO(stats_arenas_i_lruns_j) +CTL_PROTO(stats_arenas_i_nthreads) +CTL_PROTO(stats_arenas_i_dss) +CTL_PROTO(stats_arenas_i_pactive) +CTL_PROTO(stats_arenas_i_pdirty) +CTL_PROTO(stats_arenas_i_mapped) +CTL_PROTO(stats_arenas_i_npurge) +CTL_PROTO(stats_arenas_i_nmadvise) +CTL_PROTO(stats_arenas_i_purged) +INDEX_PROTO(stats_arenas_i) +CTL_PROTO(stats_cactive) +CTL_PROTO(stats_allocated) +CTL_PROTO(stats_active) +CTL_PROTO(stats_mapped) + +/******************************************************************************/ +/* mallctl tree. */ + +/* Maximum tree depth. */ +#define CTL_MAX_DEPTH 6 + +#define NAME(n) {true}, n +#define CHILD(t, c) \ + sizeof(c##_node) / sizeof(ctl_##t##_node_t), \ + (ctl_node_t *)c##_node, \ + NULL +#define CTL(c) 0, NULL, c##_ctl + +/* + * Only handles internal indexed nodes, since there are currently no external + * ones. + */ +#define INDEX(i) {false}, i##_index + +static const ctl_named_node_t tcache_node[] = { + {NAME("enabled"), CTL(thread_tcache_enabled)}, + {NAME("flush"), CTL(thread_tcache_flush)} +}; + +static const ctl_named_node_t thread_node[] = { + {NAME("arena"), CTL(thread_arena)}, + {NAME("allocated"), CTL(thread_allocated)}, + {NAME("allocatedp"), CTL(thread_allocatedp)}, + {NAME("deallocated"), CTL(thread_deallocated)}, + {NAME("deallocatedp"), CTL(thread_deallocatedp)}, + {NAME("tcache"), CHILD(named, tcache)} +}; + +static const ctl_named_node_t config_node[] = { + {NAME("debug"), CTL(config_debug)}, + {NAME("dss"), CTL(config_dss)}, + {NAME("fill"), CTL(config_fill)}, + {NAME("lazy_lock"), CTL(config_lazy_lock)}, + {NAME("mremap"), CTL(config_mremap)}, + {NAME("munmap"), CTL(config_munmap)}, + {NAME("prof"), CTL(config_prof)}, + {NAME("prof_libgcc"), CTL(config_prof_libgcc)}, + {NAME("prof_libunwind"), CTL(config_prof_libunwind)}, + {NAME("stats"), CTL(config_stats)}, + {NAME("tcache"), CTL(config_tcache)}, + {NAME("tls"), CTL(config_tls)}, + {NAME("utrace"), CTL(config_utrace)}, + {NAME("valgrind"), CTL(config_valgrind)}, + {NAME("xmalloc"), CTL(config_xmalloc)} +}; + +static const ctl_named_node_t opt_node[] = { + {NAME("abort"), CTL(opt_abort)}, + {NAME("dss"), CTL(opt_dss)}, + {NAME("lg_chunk"), CTL(opt_lg_chunk)}, + {NAME("narenas"), CTL(opt_narenas)}, + {NAME("lg_dirty_mult"), CTL(opt_lg_dirty_mult)}, + {NAME("stats_print"), CTL(opt_stats_print)}, + {NAME("junk"), CTL(opt_junk)}, + {NAME("zero"), CTL(opt_zero)}, + {NAME("quarantine"), CTL(opt_quarantine)}, + {NAME("redzone"), CTL(opt_redzone)}, + {NAME("utrace"), CTL(opt_utrace)}, + {NAME("valgrind"), CTL(opt_valgrind)}, + {NAME("xmalloc"), CTL(opt_xmalloc)}, + {NAME("tcache"), CTL(opt_tcache)}, + {NAME("lg_tcache_max"), CTL(opt_lg_tcache_max)}, + {NAME("prof"), CTL(opt_prof)}, + {NAME("prof_prefix"), CTL(opt_prof_prefix)}, + {NAME("prof_active"), CTL(opt_prof_active)}, + {NAME("lg_prof_sample"), CTL(opt_lg_prof_sample)}, + {NAME("lg_prof_interval"), CTL(opt_lg_prof_interval)}, + {NAME("prof_gdump"), CTL(opt_prof_gdump)}, + {NAME("prof_final"), CTL(opt_prof_final)}, + {NAME("prof_leak"), CTL(opt_prof_leak)}, + {NAME("prof_accum"), CTL(opt_prof_accum)} +}; + +static const ctl_named_node_t arena_i_node[] = { + {NAME("purge"), CTL(arena_i_purge)}, + {NAME("dss"), CTL(arena_i_dss)} +}; +static const ctl_named_node_t super_arena_i_node[] = { + {NAME(""), CHILD(named, arena_i)} +}; + +static const ctl_indexed_node_t arena_node[] = { + {INDEX(arena_i)} +}; + +static const ctl_named_node_t arenas_bin_i_node[] = { + {NAME("size"), CTL(arenas_bin_i_size)}, + {NAME("nregs"), CTL(arenas_bin_i_nregs)}, + {NAME("run_size"), CTL(arenas_bin_i_run_size)} +}; +static const ctl_named_node_t super_arenas_bin_i_node[] = { + {NAME(""), CHILD(named, arenas_bin_i)} +}; + +static const ctl_indexed_node_t arenas_bin_node[] = { + {INDEX(arenas_bin_i)} +}; + +static const ctl_named_node_t arenas_lrun_i_node[] = { + {NAME("size"), CTL(arenas_lrun_i_size)} +}; +static const ctl_named_node_t super_arenas_lrun_i_node[] = { + {NAME(""), CHILD(named, arenas_lrun_i)} +}; + +static const ctl_indexed_node_t arenas_lrun_node[] = { + {INDEX(arenas_lrun_i)} +}; + +static const ctl_named_node_t arenas_node[] = { + {NAME("narenas"), CTL(arenas_narenas)}, + {NAME("initialized"), CTL(arenas_initialized)}, + {NAME("quantum"), CTL(arenas_quantum)}, + {NAME("page"), CTL(arenas_page)}, + {NAME("tcache_max"), CTL(arenas_tcache_max)}, + {NAME("nbins"), CTL(arenas_nbins)}, + {NAME("nhbins"), CTL(arenas_nhbins)}, + {NAME("bin"), CHILD(indexed, arenas_bin)}, + {NAME("nlruns"), CTL(arenas_nlruns)}, + {NAME("lrun"), CHILD(indexed, arenas_lrun)}, + {NAME("purge"), CTL(arenas_purge)}, + {NAME("extend"), CTL(arenas_extend)} +}; + +static const ctl_named_node_t prof_node[] = { + {NAME("active"), CTL(prof_active)}, + {NAME("dump"), CTL(prof_dump)}, + {NAME("interval"), CTL(prof_interval)} +}; + +static const ctl_named_node_t stats_chunks_node[] = { + {NAME("current"), CTL(stats_chunks_current)}, + {NAME("total"), CTL(stats_chunks_total)}, + {NAME("high"), CTL(stats_chunks_high)} +}; + +static const ctl_named_node_t stats_huge_node[] = { + {NAME("allocated"), CTL(stats_huge_allocated)}, + {NAME("nmalloc"), CTL(stats_huge_nmalloc)}, + {NAME("ndalloc"), CTL(stats_huge_ndalloc)} +}; + +static const ctl_named_node_t stats_arenas_i_small_node[] = { + {NAME("allocated"), CTL(stats_arenas_i_small_allocated)}, + {NAME("nmalloc"), CTL(stats_arenas_i_small_nmalloc)}, + {NAME("ndalloc"), CTL(stats_arenas_i_small_ndalloc)}, + {NAME("nrequests"), CTL(stats_arenas_i_small_nrequests)} +}; + +static const ctl_named_node_t stats_arenas_i_large_node[] = { + {NAME("allocated"), CTL(stats_arenas_i_large_allocated)}, + {NAME("nmalloc"), CTL(stats_arenas_i_large_nmalloc)}, + {NAME("ndalloc"), CTL(stats_arenas_i_large_ndalloc)}, + {NAME("nrequests"), CTL(stats_arenas_i_large_nrequests)} +}; + +static const ctl_named_node_t stats_arenas_i_bins_j_node[] = { + {NAME("allocated"), CTL(stats_arenas_i_bins_j_allocated)}, + {NAME("nmalloc"), CTL(stats_arenas_i_bins_j_nmalloc)}, + {NAME("ndalloc"), CTL(stats_arenas_i_bins_j_ndalloc)}, + {NAME("nrequests"), CTL(stats_arenas_i_bins_j_nrequests)}, + {NAME("nfills"), CTL(stats_arenas_i_bins_j_nfills)}, + {NAME("nflushes"), CTL(stats_arenas_i_bins_j_nflushes)}, + {NAME("nruns"), CTL(stats_arenas_i_bins_j_nruns)}, + {NAME("nreruns"), CTL(stats_arenas_i_bins_j_nreruns)}, + {NAME("curruns"), CTL(stats_arenas_i_bins_j_curruns)} +}; +static const ctl_named_node_t super_stats_arenas_i_bins_j_node[] = { + {NAME(""), CHILD(named, stats_arenas_i_bins_j)} +}; + +static const ctl_indexed_node_t stats_arenas_i_bins_node[] = { + {INDEX(stats_arenas_i_bins_j)} +}; + +static const ctl_named_node_t stats_arenas_i_lruns_j_node[] = { + {NAME("nmalloc"), CTL(stats_arenas_i_lruns_j_nmalloc)}, + {NAME("ndalloc"), CTL(stats_arenas_i_lruns_j_ndalloc)}, + {NAME("nrequests"), CTL(stats_arenas_i_lruns_j_nrequests)}, + {NAME("curruns"), CTL(stats_arenas_i_lruns_j_curruns)} +}; +static const ctl_named_node_t super_stats_arenas_i_lruns_j_node[] = { + {NAME(""), CHILD(named, stats_arenas_i_lruns_j)} +}; + +static const ctl_indexed_node_t stats_arenas_i_lruns_node[] = { + {INDEX(stats_arenas_i_lruns_j)} +}; + +static const ctl_named_node_t stats_arenas_i_node[] = { + {NAME("nthreads"), CTL(stats_arenas_i_nthreads)}, + {NAME("dss"), CTL(stats_arenas_i_dss)}, + {NAME("pactive"), CTL(stats_arenas_i_pactive)}, + {NAME("pdirty"), CTL(stats_arenas_i_pdirty)}, + {NAME("mapped"), CTL(stats_arenas_i_mapped)}, + {NAME("npurge"), CTL(stats_arenas_i_npurge)}, + {NAME("nmadvise"), CTL(stats_arenas_i_nmadvise)}, + {NAME("purged"), CTL(stats_arenas_i_purged)}, + {NAME("small"), CHILD(named, stats_arenas_i_small)}, + {NAME("large"), CHILD(named, stats_arenas_i_large)}, + {NAME("bins"), CHILD(indexed, stats_arenas_i_bins)}, + {NAME("lruns"), CHILD(indexed, stats_arenas_i_lruns)} +}; +static const ctl_named_node_t super_stats_arenas_i_node[] = { + {NAME(""), CHILD(named, stats_arenas_i)} +}; + +static const ctl_indexed_node_t stats_arenas_node[] = { + {INDEX(stats_arenas_i)} +}; + +static const ctl_named_node_t stats_node[] = { + {NAME("cactive"), CTL(stats_cactive)}, + {NAME("allocated"), CTL(stats_allocated)}, + {NAME("active"), CTL(stats_active)}, + {NAME("mapped"), CTL(stats_mapped)}, + {NAME("chunks"), CHILD(named, stats_chunks)}, + {NAME("huge"), CHILD(named, stats_huge)}, + {NAME("arenas"), CHILD(indexed, stats_arenas)} +}; + +static const ctl_named_node_t root_node[] = { + {NAME("version"), CTL(version)}, + {NAME("epoch"), CTL(epoch)}, + {NAME("thread"), CHILD(named, thread)}, + {NAME("config"), CHILD(named, config)}, + {NAME("opt"), CHILD(named, opt)}, + {NAME("arena"), CHILD(indexed, arena)}, + {NAME("arenas"), CHILD(named, arenas)}, + {NAME("prof"), CHILD(named, prof)}, + {NAME("stats"), CHILD(named, stats)} +}; +static const ctl_named_node_t super_root_node[] = { + {NAME(""), CHILD(named, root)} +}; + +#undef NAME +#undef CHILD +#undef CTL +#undef INDEX + +/******************************************************************************/ + +static bool +ctl_arena_init(ctl_arena_stats_t *astats) +{ + + if (astats->lstats == NULL) { + astats->lstats = (malloc_large_stats_t *)base_alloc(nlclasses * + sizeof(malloc_large_stats_t)); + if (astats->lstats == NULL) + return (true); + } + + return (false); +} + +static void +ctl_arena_clear(ctl_arena_stats_t *astats) +{ + + astats->dss = dss_prec_names[dss_prec_limit]; + astats->pactive = 0; + astats->pdirty = 0; + if (config_stats) { + memset(&astats->astats, 0, sizeof(arena_stats_t)); + astats->allocated_small = 0; + astats->nmalloc_small = 0; + astats->ndalloc_small = 0; + astats->nrequests_small = 0; + memset(astats->bstats, 0, NBINS * sizeof(malloc_bin_stats_t)); + memset(astats->lstats, 0, nlclasses * + sizeof(malloc_large_stats_t)); + } +} + +static void +ctl_arena_stats_amerge(ctl_arena_stats_t *cstats, arena_t *arena) +{ + unsigned i; + + arena_stats_merge(arena, &cstats->dss, &cstats->pactive, + &cstats->pdirty, &cstats->astats, cstats->bstats, cstats->lstats); + + for (i = 0; i < NBINS; i++) { + cstats->allocated_small += cstats->bstats[i].allocated; + cstats->nmalloc_small += cstats->bstats[i].nmalloc; + cstats->ndalloc_small += cstats->bstats[i].ndalloc; + cstats->nrequests_small += cstats->bstats[i].nrequests; + } +} + +static void +ctl_arena_stats_smerge(ctl_arena_stats_t *sstats, ctl_arena_stats_t *astats) +{ + unsigned i; + + sstats->pactive += astats->pactive; + sstats->pdirty += astats->pdirty; + + sstats->astats.mapped += astats->astats.mapped; + sstats->astats.npurge += astats->astats.npurge; + sstats->astats.nmadvise += astats->astats.nmadvise; + sstats->astats.purged += astats->astats.purged; + + sstats->allocated_small += astats->allocated_small; + sstats->nmalloc_small += astats->nmalloc_small; + sstats->ndalloc_small += astats->ndalloc_small; + sstats->nrequests_small += astats->nrequests_small; + + sstats->astats.allocated_large += astats->astats.allocated_large; + sstats->astats.nmalloc_large += astats->astats.nmalloc_large; + sstats->astats.ndalloc_large += astats->astats.ndalloc_large; + sstats->astats.nrequests_large += astats->astats.nrequests_large; + + for (i = 0; i < nlclasses; i++) { + sstats->lstats[i].nmalloc += astats->lstats[i].nmalloc; + sstats->lstats[i].ndalloc += astats->lstats[i].ndalloc; + sstats->lstats[i].nrequests += astats->lstats[i].nrequests; + sstats->lstats[i].curruns += astats->lstats[i].curruns; + } + + for (i = 0; i < NBINS; i++) { + sstats->bstats[i].allocated += astats->bstats[i].allocated; + sstats->bstats[i].nmalloc += astats->bstats[i].nmalloc; + sstats->bstats[i].ndalloc += astats->bstats[i].ndalloc; + sstats->bstats[i].nrequests += astats->bstats[i].nrequests; + if (config_tcache) { + sstats->bstats[i].nfills += astats->bstats[i].nfills; + sstats->bstats[i].nflushes += + astats->bstats[i].nflushes; + } + sstats->bstats[i].nruns += astats->bstats[i].nruns; + sstats->bstats[i].reruns += astats->bstats[i].reruns; + sstats->bstats[i].curruns += astats->bstats[i].curruns; + } +} + +static void +ctl_arena_refresh(arena_t *arena, unsigned i) +{ + ctl_arena_stats_t *astats = &ctl_stats.arenas[i]; + ctl_arena_stats_t *sstats = &ctl_stats.arenas[ctl_stats.narenas]; + + ctl_arena_clear(astats); + + sstats->nthreads += astats->nthreads; + if (config_stats) { + ctl_arena_stats_amerge(astats, arena); + /* Merge into sum stats as well. */ + ctl_arena_stats_smerge(sstats, astats); + } else { + astats->pactive += arena->nactive; + astats->pdirty += arena->ndirty; + /* Merge into sum stats as well. */ + sstats->pactive += arena->nactive; + sstats->pdirty += arena->ndirty; + } +} + +static bool +ctl_grow(void) +{ + size_t astats_size; + ctl_arena_stats_t *astats; + arena_t **tarenas; + + /* Extend arena stats and arenas arrays. */ + astats_size = (ctl_stats.narenas + 2) * sizeof(ctl_arena_stats_t); + if (ctl_stats.narenas == narenas_auto) { + /* ctl_stats.arenas and arenas came from base_alloc(). */ + astats = (ctl_arena_stats_t *)imalloc(astats_size); + if (astats == NULL) + return (true); + memcpy(astats, ctl_stats.arenas, (ctl_stats.narenas + 1) * + sizeof(ctl_arena_stats_t)); + + tarenas = (arena_t **)imalloc((ctl_stats.narenas + 1) * + sizeof(arena_t *)); + if (tarenas == NULL) { + idalloc(astats); + return (true); + } + memcpy(tarenas, arenas, ctl_stats.narenas * sizeof(arena_t *)); + } else { + astats = (ctl_arena_stats_t *)iralloc(ctl_stats.arenas, + astats_size, 0, 0, false, false); + if (astats == NULL) + return (true); + + tarenas = (arena_t **)iralloc(arenas, (ctl_stats.narenas + 1) * + sizeof(arena_t *), 0, 0, false, false); + if (tarenas == NULL) + return (true); + } + /* Initialize the new astats and arenas elements. */ + memset(&astats[ctl_stats.narenas + 1], 0, sizeof(ctl_arena_stats_t)); + if (ctl_arena_init(&astats[ctl_stats.narenas + 1])) + return (true); + tarenas[ctl_stats.narenas] = NULL; + /* Swap merged stats to their new location. */ + { + ctl_arena_stats_t tstats; + memcpy(&tstats, &astats[ctl_stats.narenas], + sizeof(ctl_arena_stats_t)); + memcpy(&astats[ctl_stats.narenas], + &astats[ctl_stats.narenas + 1], sizeof(ctl_arena_stats_t)); + memcpy(&astats[ctl_stats.narenas + 1], &tstats, + sizeof(ctl_arena_stats_t)); + } + ctl_stats.arenas = astats; + ctl_stats.narenas++; + malloc_mutex_lock(&arenas_lock); + arenas = tarenas; + narenas_total++; + arenas_extend(narenas_total - 1); + malloc_mutex_unlock(&arenas_lock); + + return (false); +} + +static void +ctl_refresh(void) +{ + unsigned i; + VARIABLE_ARRAY(arena_t *, tarenas, ctl_stats.narenas); + + if (config_stats) { + malloc_mutex_lock(&chunks_mtx); + ctl_stats.chunks.current = stats_chunks.curchunks; + ctl_stats.chunks.total = stats_chunks.nchunks; + ctl_stats.chunks.high = stats_chunks.highchunks; + malloc_mutex_unlock(&chunks_mtx); + + malloc_mutex_lock(&huge_mtx); + ctl_stats.huge.allocated = huge_allocated; + ctl_stats.huge.nmalloc = huge_nmalloc; + ctl_stats.huge.ndalloc = huge_ndalloc; + malloc_mutex_unlock(&huge_mtx); + } + + /* + * Clear sum stats, since they will be merged into by + * ctl_arena_refresh(). + */ + ctl_stats.arenas[ctl_stats.narenas].nthreads = 0; + ctl_arena_clear(&ctl_stats.arenas[ctl_stats.narenas]); + + malloc_mutex_lock(&arenas_lock); + memcpy(tarenas, arenas, sizeof(arena_t *) * ctl_stats.narenas); + for (i = 0; i < ctl_stats.narenas; i++) { + if (arenas[i] != NULL) + ctl_stats.arenas[i].nthreads = arenas[i]->nthreads; + else + ctl_stats.arenas[i].nthreads = 0; + } + malloc_mutex_unlock(&arenas_lock); + for (i = 0; i < ctl_stats.narenas; i++) { + bool initialized = (tarenas[i] != NULL); + + ctl_stats.arenas[i].initialized = initialized; + if (initialized) + ctl_arena_refresh(tarenas[i], i); + } + + if (config_stats) { + ctl_stats.allocated = + ctl_stats.arenas[ctl_stats.narenas].allocated_small + + ctl_stats.arenas[ctl_stats.narenas].astats.allocated_large + + ctl_stats.huge.allocated; + ctl_stats.active = + (ctl_stats.arenas[ctl_stats.narenas].pactive << LG_PAGE) + + ctl_stats.huge.allocated; + ctl_stats.mapped = (ctl_stats.chunks.current << opt_lg_chunk); + } + + ctl_epoch++; +} + +static bool +ctl_init(void) +{ + bool ret; + + malloc_mutex_lock(&ctl_mtx); + if (ctl_initialized == false) { + /* + * Allocate space for one extra arena stats element, which + * contains summed stats across all arenas. + */ + assert(narenas_auto == narenas_total_get()); + ctl_stats.narenas = narenas_auto; + ctl_stats.arenas = (ctl_arena_stats_t *)base_alloc( + (ctl_stats.narenas + 1) * sizeof(ctl_arena_stats_t)); + if (ctl_stats.arenas == NULL) { + ret = true; + goto label_return; + } + memset(ctl_stats.arenas, 0, (ctl_stats.narenas + 1) * + sizeof(ctl_arena_stats_t)); + + /* + * Initialize all stats structures, regardless of whether they + * ever get used. Lazy initialization would allow errors to + * cause inconsistent state to be viewable by the application. + */ + if (config_stats) { + unsigned i; + for (i = 0; i <= ctl_stats.narenas; i++) { + if (ctl_arena_init(&ctl_stats.arenas[i])) { + ret = true; + goto label_return; + } + } + } + ctl_stats.arenas[ctl_stats.narenas].initialized = true; + + ctl_epoch = 0; + ctl_refresh(); + ctl_initialized = true; + } + + ret = false; +label_return: + malloc_mutex_unlock(&ctl_mtx); + return (ret); +} + +static int +ctl_lookup(const char *name, ctl_node_t const **nodesp, size_t *mibp, + size_t *depthp) +{ + int ret; + const char *elm, *tdot, *dot; + size_t elen, i, j; + const ctl_named_node_t *node; + + elm = name; + /* Equivalent to strchrnul(). */ + dot = ((tdot = strchr(elm, '.')) != NULL) ? tdot : strchr(elm, '\0'); + elen = (size_t)((uintptr_t)dot - (uintptr_t)elm); + if (elen == 0) { + ret = ENOENT; + goto label_return; + } + node = super_root_node; + for (i = 0; i < *depthp; i++) { + assert(node); + assert(node->nchildren > 0); + if (ctl_named_node(node->children) != NULL) { + const ctl_named_node_t *pnode = node; + + /* Children are named. */ + for (j = 0; j < node->nchildren; j++) { + const ctl_named_node_t *child = + ctl_named_children(node, j); + if (strlen(child->name) == elen && + strncmp(elm, child->name, elen) == 0) { + node = child; + if (nodesp != NULL) + nodesp[i] = + (const ctl_node_t *)node; + mibp[i] = j; + break; + } + } + if (node == pnode) { + ret = ENOENT; + goto label_return; + } + } else { + uintmax_t index; + const ctl_indexed_node_t *inode; + + /* Children are indexed. */ + index = malloc_strtoumax(elm, NULL, 10); + if (index == UINTMAX_MAX || index > SIZE_T_MAX) { + ret = ENOENT; + goto label_return; + } + + inode = ctl_indexed_node(node->children); + node = inode->index(mibp, *depthp, (size_t)index); + if (node == NULL) { + ret = ENOENT; + goto label_return; + } + + if (nodesp != NULL) + nodesp[i] = (const ctl_node_t *)node; + mibp[i] = (size_t)index; + } + + if (node->ctl != NULL) { + /* Terminal node. */ + if (*dot != '\0') { + /* + * The name contains more elements than are + * in this path through the tree. + */ + ret = ENOENT; + goto label_return; + } + /* Complete lookup successful. */ + *depthp = i + 1; + break; + } + + /* Update elm. */ + if (*dot == '\0') { + /* No more elements. */ + ret = ENOENT; + goto label_return; + } + elm = &dot[1]; + dot = ((tdot = strchr(elm, '.')) != NULL) ? tdot : + strchr(elm, '\0'); + elen = (size_t)((uintptr_t)dot - (uintptr_t)elm); + } + + ret = 0; +label_return: + return (ret); +} + +int +ctl_byname(const char *name, void *oldp, size_t *oldlenp, void *newp, + size_t newlen) +{ + int ret; + size_t depth; + ctl_node_t const *nodes[CTL_MAX_DEPTH]; + size_t mib[CTL_MAX_DEPTH]; + const ctl_named_node_t *node; + + if (ctl_initialized == false && ctl_init()) { + ret = EAGAIN; + goto label_return; + } + + depth = CTL_MAX_DEPTH; + ret = ctl_lookup(name, nodes, mib, &depth); + if (ret != 0) + goto label_return; + + node = ctl_named_node(nodes[depth-1]); + if (node != NULL && node->ctl) + ret = node->ctl(mib, depth, oldp, oldlenp, newp, newlen); + else { + /* The name refers to a partial path through the ctl tree. */ + ret = ENOENT; + } + +label_return: + return(ret); +} + +int +ctl_nametomib(const char *name, size_t *mibp, size_t *miblenp) +{ + int ret; + + if (ctl_initialized == false && ctl_init()) { + ret = EAGAIN; + goto label_return; + } + + ret = ctl_lookup(name, NULL, mibp, miblenp); +label_return: + return(ret); +} + +int +ctl_bymib(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, + void *newp, size_t newlen) +{ + int ret; + const ctl_named_node_t *node; + size_t i; + + if (ctl_initialized == false && ctl_init()) { + ret = EAGAIN; + goto label_return; + } + + /* Iterate down the tree. */ + node = super_root_node; + for (i = 0; i < miblen; i++) { + assert(node); + assert(node->nchildren > 0); + if (ctl_named_node(node->children) != NULL) { + /* Children are named. */ + if (node->nchildren <= mib[i]) { + ret = ENOENT; + goto label_return; + } + node = ctl_named_children(node, mib[i]); + } else { + const ctl_indexed_node_t *inode; + + /* Indexed element. */ + inode = ctl_indexed_node(node->children); + node = inode->index(mib, miblen, mib[i]); + if (node == NULL) { + ret = ENOENT; + goto label_return; + } + } + } + + /* Call the ctl function. */ + if (node && node->ctl) + ret = node->ctl(mib, miblen, oldp, oldlenp, newp, newlen); + else { + /* Partial MIB. */ + ret = ENOENT; + } + +label_return: + return(ret); +} + +bool +ctl_boot(void) +{ + + if (malloc_mutex_init(&ctl_mtx)) + return (true); + + ctl_initialized = false; + + return (false); +} + +void +ctl_prefork(void) +{ + + malloc_mutex_lock(&ctl_mtx); +} + +void +ctl_postfork_parent(void) +{ + + malloc_mutex_postfork_parent(&ctl_mtx); +} + +void +ctl_postfork_child(void) +{ + + malloc_mutex_postfork_child(&ctl_mtx); +} + +/******************************************************************************/ +/* *_ctl() functions. */ + +#define READONLY() do { \ + if (newp != NULL || newlen != 0) { \ + ret = EPERM; \ + goto label_return; \ + } \ +} while (0) + +#define WRITEONLY() do { \ + if (oldp != NULL || oldlenp != NULL) { \ + ret = EPERM; \ + goto label_return; \ + } \ +} while (0) + +#define READ(v, t) do { \ + if (oldp != NULL && oldlenp != NULL) { \ + if (*oldlenp != sizeof(t)) { \ + size_t copylen = (sizeof(t) <= *oldlenp) \ + ? sizeof(t) : *oldlenp; \ + memcpy(oldp, (void *)&v, copylen); \ + ret = EINVAL; \ + goto label_return; \ + } else \ + *(t *)oldp = v; \ + } \ +} while (0) + +#define WRITE(v, t) do { \ + if (newp != NULL) { \ + if (newlen != sizeof(t)) { \ + ret = EINVAL; \ + goto label_return; \ + } \ + v = *(t *)newp; \ + } \ +} while (0) + +/* + * There's a lot of code duplication in the following macros due to limitations + * in how nested cpp macros are expanded. + */ +#define CTL_RO_CLGEN(c, l, n, v, t) \ +static int \ +n##_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, \ + void *newp, size_t newlen) \ +{ \ + int ret; \ + t oldval; \ + \ + if ((c) == false) \ + return (ENOENT); \ + if (l) \ + malloc_mutex_lock(&ctl_mtx); \ + READONLY(); \ + oldval = v; \ + READ(oldval, t); \ + \ + ret = 0; \ +label_return: \ + if (l) \ + malloc_mutex_unlock(&ctl_mtx); \ + return (ret); \ +} + +#define CTL_RO_CGEN(c, n, v, t) \ +static int \ +n##_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, \ + void *newp, size_t newlen) \ +{ \ + int ret; \ + t oldval; \ + \ + if ((c) == false) \ + return (ENOENT); \ + malloc_mutex_lock(&ctl_mtx); \ + READONLY(); \ + oldval = v; \ + READ(oldval, t); \ + \ + ret = 0; \ +label_return: \ + malloc_mutex_unlock(&ctl_mtx); \ + return (ret); \ +} + +#define CTL_RO_GEN(n, v, t) \ +static int \ +n##_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, \ + void *newp, size_t newlen) \ +{ \ + int ret; \ + t oldval; \ + \ + malloc_mutex_lock(&ctl_mtx); \ + READONLY(); \ + oldval = v; \ + READ(oldval, t); \ + \ + ret = 0; \ +label_return: \ + malloc_mutex_unlock(&ctl_mtx); \ + return (ret); \ +} + +/* + * ctl_mtx is not acquired, under the assumption that no pertinent data will + * mutate during the call. + */ +#define CTL_RO_NL_CGEN(c, n, v, t) \ +static int \ +n##_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, \ + void *newp, size_t newlen) \ +{ \ + int ret; \ + t oldval; \ + \ + if ((c) == false) \ + return (ENOENT); \ + READONLY(); \ + oldval = v; \ + READ(oldval, t); \ + \ + ret = 0; \ +label_return: \ + return (ret); \ +} + +#define CTL_RO_NL_GEN(n, v, t) \ +static int \ +n##_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, \ + void *newp, size_t newlen) \ +{ \ + int ret; \ + t oldval; \ + \ + READONLY(); \ + oldval = v; \ + READ(oldval, t); \ + \ + ret = 0; \ +label_return: \ + return (ret); \ +} + +#define CTL_RO_BOOL_CONFIG_GEN(n) \ +static int \ +n##_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, \ + void *newp, size_t newlen) \ +{ \ + int ret; \ + bool oldval; \ + \ + READONLY(); \ + oldval = n; \ + READ(oldval, bool); \ + \ + ret = 0; \ +label_return: \ + return (ret); \ +} + +CTL_RO_NL_GEN(version, JEMALLOC_VERSION, const char *) + +static int +epoch_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, + void *newp, size_t newlen) +{ + int ret; + uint64_t newval; + + malloc_mutex_lock(&ctl_mtx); + WRITE(newval, uint64_t); + if (newp != NULL) + ctl_refresh(); + READ(ctl_epoch, uint64_t); + + ret = 0; +label_return: + malloc_mutex_unlock(&ctl_mtx); + return (ret); +} + +static int +thread_tcache_enabled_ctl(const size_t *mib, size_t miblen, void *oldp, + size_t *oldlenp, void *newp, size_t newlen) +{ + int ret; + bool oldval; + + if (config_tcache == false) + return (ENOENT); + + oldval = tcache_enabled_get(); + if (newp != NULL) { + if (newlen != sizeof(bool)) { + ret = EINVAL; + goto label_return; + } + tcache_enabled_set(*(bool *)newp); + } + READ(oldval, bool); + + ret = 0; +label_return: + return (ret); +} + +static int +thread_tcache_flush_ctl(const size_t *mib, size_t miblen, void *oldp, + size_t *oldlenp, void *newp, size_t newlen) +{ + int ret; + + if (config_tcache == false) + return (ENOENT); + + READONLY(); + WRITEONLY(); + + tcache_flush(); + + ret = 0; +label_return: + return (ret); +} + +static int +thread_arena_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, + void *newp, size_t newlen) +{ + int ret; + unsigned newind, oldind; + + malloc_mutex_lock(&ctl_mtx); + newind = oldind = choose_arena(NULL)->ind; + WRITE(newind, unsigned); + READ(oldind, unsigned); + if (newind != oldind) { + arena_t *arena; + + if (newind >= ctl_stats.narenas) { + /* New arena index is out of range. */ + ret = EFAULT; + goto label_return; + } + + /* Initialize arena if necessary. */ + malloc_mutex_lock(&arenas_lock); + if ((arena = arenas[newind]) == NULL && (arena = + arenas_extend(newind)) == NULL) { + malloc_mutex_unlock(&arenas_lock); + ret = EAGAIN; + goto label_return; + } + assert(arena == arenas[newind]); + arenas[oldind]->nthreads--; + arenas[newind]->nthreads++; + malloc_mutex_unlock(&arenas_lock); + + /* Set new arena association. */ + if (config_tcache) { + tcache_t *tcache; + if ((uintptr_t)(tcache = *tcache_tsd_get()) > + (uintptr_t)TCACHE_STATE_MAX) { + tcache_arena_dissociate(tcache); + tcache_arena_associate(tcache, arena); + } + } + arenas_tsd_set(&arena); + } + + ret = 0; +label_return: + malloc_mutex_unlock(&ctl_mtx); + return (ret); +} + +CTL_RO_NL_CGEN(config_stats, thread_allocated, + thread_allocated_tsd_get()->allocated, uint64_t) +CTL_RO_NL_CGEN(config_stats, thread_allocatedp, + &thread_allocated_tsd_get()->allocated, uint64_t *) +CTL_RO_NL_CGEN(config_stats, thread_deallocated, + thread_allocated_tsd_get()->deallocated, uint64_t) +CTL_RO_NL_CGEN(config_stats, thread_deallocatedp, + &thread_allocated_tsd_get()->deallocated, uint64_t *) + +/******************************************************************************/ + +CTL_RO_BOOL_CONFIG_GEN(config_debug) +CTL_RO_BOOL_CONFIG_GEN(config_dss) +CTL_RO_BOOL_CONFIG_GEN(config_fill) +CTL_RO_BOOL_CONFIG_GEN(config_lazy_lock) +CTL_RO_BOOL_CONFIG_GEN(config_mremap) +CTL_RO_BOOL_CONFIG_GEN(config_munmap) +CTL_RO_BOOL_CONFIG_GEN(config_prof) +CTL_RO_BOOL_CONFIG_GEN(config_prof_libgcc) +CTL_RO_BOOL_CONFIG_GEN(config_prof_libunwind) +CTL_RO_BOOL_CONFIG_GEN(config_stats) +CTL_RO_BOOL_CONFIG_GEN(config_tcache) +CTL_RO_BOOL_CONFIG_GEN(config_tls) +CTL_RO_BOOL_CONFIG_GEN(config_utrace) +CTL_RO_BOOL_CONFIG_GEN(config_valgrind) +CTL_RO_BOOL_CONFIG_GEN(config_xmalloc) + +/******************************************************************************/ + +CTL_RO_NL_GEN(opt_abort, opt_abort, bool) +CTL_RO_NL_GEN(opt_dss, opt_dss, const char *) +CTL_RO_NL_GEN(opt_lg_chunk, opt_lg_chunk, size_t) +CTL_RO_NL_GEN(opt_narenas, opt_narenas, size_t) +CTL_RO_NL_GEN(opt_lg_dirty_mult, opt_lg_dirty_mult, ssize_t) +CTL_RO_NL_GEN(opt_stats_print, opt_stats_print, bool) +CTL_RO_NL_CGEN(config_fill, opt_junk, opt_junk, bool) +CTL_RO_NL_CGEN(config_fill, opt_zero, opt_zero, bool) +CTL_RO_NL_CGEN(config_fill, opt_quarantine, opt_quarantine, size_t) +CTL_RO_NL_CGEN(config_fill, opt_redzone, opt_redzone, bool) +CTL_RO_NL_CGEN(config_utrace, opt_utrace, opt_utrace, bool) +CTL_RO_NL_CGEN(config_valgrind, opt_valgrind, opt_valgrind, bool) +CTL_RO_NL_CGEN(config_xmalloc, opt_xmalloc, opt_xmalloc, bool) +CTL_RO_NL_CGEN(config_tcache, opt_tcache, opt_tcache, bool) +CTL_RO_NL_CGEN(config_tcache, opt_lg_tcache_max, opt_lg_tcache_max, ssize_t) +CTL_RO_NL_CGEN(config_prof, opt_prof, opt_prof, bool) +CTL_RO_NL_CGEN(config_prof, opt_prof_prefix, opt_prof_prefix, const char *) +CTL_RO_CGEN(config_prof, opt_prof_active, opt_prof_active, bool) /* Mutable. */ +CTL_RO_NL_CGEN(config_prof, opt_lg_prof_sample, opt_lg_prof_sample, size_t) +CTL_RO_NL_CGEN(config_prof, opt_lg_prof_interval, opt_lg_prof_interval, ssize_t) +CTL_RO_NL_CGEN(config_prof, opt_prof_gdump, opt_prof_gdump, bool) +CTL_RO_NL_CGEN(config_prof, opt_prof_final, opt_prof_final, bool) +CTL_RO_NL_CGEN(config_prof, opt_prof_leak, opt_prof_leak, bool) +CTL_RO_NL_CGEN(config_prof, opt_prof_accum, opt_prof_accum, bool) + +/******************************************************************************/ + +/* ctl_mutex must be held during execution of this function. */ +static void +arena_purge(unsigned arena_ind) +{ + VARIABLE_ARRAY(arena_t *, tarenas, ctl_stats.narenas); + + malloc_mutex_lock(&arenas_lock); + memcpy(tarenas, arenas, sizeof(arena_t *) * ctl_stats.narenas); + malloc_mutex_unlock(&arenas_lock); + + if (arena_ind == ctl_stats.narenas) { + unsigned i; + for (i = 0; i < ctl_stats.narenas; i++) { + if (tarenas[i] != NULL) + arena_purge_all(tarenas[i]); + } + } else { + assert(arena_ind < ctl_stats.narenas); + if (tarenas[arena_ind] != NULL) + arena_purge_all(tarenas[arena_ind]); + } +} + +static int +arena_i_purge_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, + void *newp, size_t newlen) +{ + int ret; + + READONLY(); + WRITEONLY(); + malloc_mutex_lock(&ctl_mtx); + arena_purge(mib[1]); + malloc_mutex_unlock(&ctl_mtx); + + ret = 0; +label_return: + return (ret); +} + +static int +arena_i_dss_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, + void *newp, size_t newlen) +{ + int ret, i; + bool match, err; + const char *dss; + unsigned arena_ind = mib[1]; + dss_prec_t dss_prec_old = dss_prec_limit; + dss_prec_t dss_prec = dss_prec_limit; + + malloc_mutex_lock(&ctl_mtx); + WRITE(dss, const char *); + match = false; + for (i = 0; i < dss_prec_limit; i++) { + if (strcmp(dss_prec_names[i], dss) == 0) { + dss_prec = i; + match = true; + break; + } + } + if (match == false) { + ret = EINVAL; + goto label_return; + } + + if (arena_ind < ctl_stats.narenas) { + arena_t *arena = arenas[arena_ind]; + if (arena != NULL) { + dss_prec_old = arena_dss_prec_get(arena); + arena_dss_prec_set(arena, dss_prec); + err = false; + } else + err = true; + } else { + dss_prec_old = chunk_dss_prec_get(); + err = chunk_dss_prec_set(dss_prec); + } + dss = dss_prec_names[dss_prec_old]; + READ(dss, const char *); + if (err) { + ret = EFAULT; + goto label_return; + } + + ret = 0; +label_return: + malloc_mutex_unlock(&ctl_mtx); + return (ret); +} + +static const ctl_named_node_t * +arena_i_index(const size_t *mib, size_t miblen, size_t i) +{ + const ctl_named_node_t * ret; + + malloc_mutex_lock(&ctl_mtx); + if (i > ctl_stats.narenas) { + ret = NULL; + goto label_return; + } + + ret = super_arena_i_node; +label_return: + malloc_mutex_unlock(&ctl_mtx); + return (ret); +} + + +/******************************************************************************/ + +CTL_RO_NL_GEN(arenas_bin_i_size, arena_bin_info[mib[2]].reg_size, size_t) +CTL_RO_NL_GEN(arenas_bin_i_nregs, arena_bin_info[mib[2]].nregs, uint32_t) +CTL_RO_NL_GEN(arenas_bin_i_run_size, arena_bin_info[mib[2]].run_size, size_t) +static const ctl_named_node_t * +arenas_bin_i_index(const size_t *mib, size_t miblen, size_t i) +{ + + if (i > NBINS) + return (NULL); + return (super_arenas_bin_i_node); +} + +CTL_RO_NL_GEN(arenas_lrun_i_size, ((mib[2]+1) << LG_PAGE), size_t) +static const ctl_named_node_t * +arenas_lrun_i_index(const size_t *mib, size_t miblen, size_t i) +{ + + if (i > nlclasses) + return (NULL); + return (super_arenas_lrun_i_node); +} + +static int +arenas_narenas_ctl(const size_t *mib, size_t miblen, void *oldp, + size_t *oldlenp, void *newp, size_t newlen) +{ + int ret; + unsigned narenas; + + malloc_mutex_lock(&ctl_mtx); + READONLY(); + if (*oldlenp != sizeof(unsigned)) { + ret = EINVAL; + goto label_return; + } + narenas = ctl_stats.narenas; + READ(narenas, unsigned); + + ret = 0; +label_return: + malloc_mutex_unlock(&ctl_mtx); + return (ret); +} + +static int +arenas_initialized_ctl(const size_t *mib, size_t miblen, void *oldp, + size_t *oldlenp, void *newp, size_t newlen) +{ + int ret; + unsigned nread, i; + + malloc_mutex_lock(&ctl_mtx); + READONLY(); + if (*oldlenp != ctl_stats.narenas * sizeof(bool)) { + ret = EINVAL; + nread = (*oldlenp < ctl_stats.narenas * sizeof(bool)) + ? (*oldlenp / sizeof(bool)) : ctl_stats.narenas; + } else { + ret = 0; + nread = ctl_stats.narenas; + } + + for (i = 0; i < nread; i++) + ((bool *)oldp)[i] = ctl_stats.arenas[i].initialized; + +label_return: + malloc_mutex_unlock(&ctl_mtx); + return (ret); +} + +CTL_RO_NL_GEN(arenas_quantum, QUANTUM, size_t) +CTL_RO_NL_GEN(arenas_page, PAGE, size_t) +CTL_RO_NL_CGEN(config_tcache, arenas_tcache_max, tcache_maxclass, size_t) +CTL_RO_NL_GEN(arenas_nbins, NBINS, unsigned) +CTL_RO_NL_CGEN(config_tcache, arenas_nhbins, nhbins, unsigned) +CTL_RO_NL_GEN(arenas_nlruns, nlclasses, size_t) + +static int +arenas_purge_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, + void *newp, size_t newlen) +{ + int ret; + unsigned arena_ind; + + malloc_mutex_lock(&ctl_mtx); + WRITEONLY(); + arena_ind = UINT_MAX; + WRITE(arena_ind, unsigned); + if (newp != NULL && arena_ind >= ctl_stats.narenas) + ret = EFAULT; + else { + if (arena_ind == UINT_MAX) + arena_ind = ctl_stats.narenas; + arena_purge(arena_ind); + ret = 0; + } + +label_return: + malloc_mutex_unlock(&ctl_mtx); + return (ret); +} + +static int +arenas_extend_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, + void *newp, size_t newlen) +{ + int ret; + + malloc_mutex_lock(&ctl_mtx); + READONLY(); + if (ctl_grow()) { + ret = EAGAIN; + goto label_return; + } + READ(ctl_stats.narenas - 1, unsigned); + + ret = 0; +label_return: + malloc_mutex_unlock(&ctl_mtx); + return (ret); +} + +/******************************************************************************/ + +static int +prof_active_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, + void *newp, size_t newlen) +{ + int ret; + bool oldval; + + if (config_prof == false) + return (ENOENT); + + malloc_mutex_lock(&ctl_mtx); /* Protect opt_prof_active. */ + oldval = opt_prof_active; + if (newp != NULL) { + /* + * The memory barriers will tend to make opt_prof_active + * propagate faster on systems with weak memory ordering. + */ + mb_write(); + WRITE(opt_prof_active, bool); + mb_write(); + } + READ(oldval, bool); + + ret = 0; +label_return: + malloc_mutex_unlock(&ctl_mtx); + return (ret); +} + +static int +prof_dump_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, + void *newp, size_t newlen) +{ + int ret; + const char *filename = NULL; + + if (config_prof == false) + return (ENOENT); + + WRITEONLY(); + WRITE(filename, const char *); + + if (prof_mdump(filename)) { + ret = EFAULT; + goto label_return; + } + + ret = 0; +label_return: + return (ret); +} + +CTL_RO_NL_CGEN(config_prof, prof_interval, prof_interval, uint64_t) + +/******************************************************************************/ + +CTL_RO_CGEN(config_stats, stats_chunks_current, ctl_stats.chunks.current, + size_t) +CTL_RO_CGEN(config_stats, stats_chunks_total, ctl_stats.chunks.total, uint64_t) +CTL_RO_CGEN(config_stats, stats_chunks_high, ctl_stats.chunks.high, size_t) +CTL_RO_CGEN(config_stats, stats_huge_allocated, huge_allocated, size_t) +CTL_RO_CGEN(config_stats, stats_huge_nmalloc, huge_nmalloc, uint64_t) +CTL_RO_CGEN(config_stats, stats_huge_ndalloc, huge_ndalloc, uint64_t) +CTL_RO_CGEN(config_stats, stats_arenas_i_small_allocated, + ctl_stats.arenas[mib[2]].allocated_small, size_t) +CTL_RO_CGEN(config_stats, stats_arenas_i_small_nmalloc, + ctl_stats.arenas[mib[2]].nmalloc_small, uint64_t) +CTL_RO_CGEN(config_stats, stats_arenas_i_small_ndalloc, + ctl_stats.arenas[mib[2]].ndalloc_small, uint64_t) +CTL_RO_CGEN(config_stats, stats_arenas_i_small_nrequests, + ctl_stats.arenas[mib[2]].nrequests_small, uint64_t) +CTL_RO_CGEN(config_stats, stats_arenas_i_large_allocated, + ctl_stats.arenas[mib[2]].astats.allocated_large, size_t) +CTL_RO_CGEN(config_stats, stats_arenas_i_large_nmalloc, + ctl_stats.arenas[mib[2]].astats.nmalloc_large, uint64_t) +CTL_RO_CGEN(config_stats, stats_arenas_i_large_ndalloc, + ctl_stats.arenas[mib[2]].astats.ndalloc_large, uint64_t) +CTL_RO_CGEN(config_stats, stats_arenas_i_large_nrequests, + ctl_stats.arenas[mib[2]].astats.nrequests_large, uint64_t) + +CTL_RO_CGEN(config_stats, stats_arenas_i_bins_j_allocated, + ctl_stats.arenas[mib[2]].bstats[mib[4]].allocated, size_t) +CTL_RO_CGEN(config_stats, stats_arenas_i_bins_j_nmalloc, + ctl_stats.arenas[mib[2]].bstats[mib[4]].nmalloc, uint64_t) +CTL_RO_CGEN(config_stats, stats_arenas_i_bins_j_ndalloc, + ctl_stats.arenas[mib[2]].bstats[mib[4]].ndalloc, uint64_t) +CTL_RO_CGEN(config_stats, stats_arenas_i_bins_j_nrequests, + ctl_stats.arenas[mib[2]].bstats[mib[4]].nrequests, uint64_t) +CTL_RO_CGEN(config_stats && config_tcache, stats_arenas_i_bins_j_nfills, + ctl_stats.arenas[mib[2]].bstats[mib[4]].nfills, uint64_t) +CTL_RO_CGEN(config_stats && config_tcache, stats_arenas_i_bins_j_nflushes, + ctl_stats.arenas[mib[2]].bstats[mib[4]].nflushes, uint64_t) +CTL_RO_CGEN(config_stats, stats_arenas_i_bins_j_nruns, + ctl_stats.arenas[mib[2]].bstats[mib[4]].nruns, uint64_t) +CTL_RO_CGEN(config_stats, stats_arenas_i_bins_j_nreruns, + ctl_stats.arenas[mib[2]].bstats[mib[4]].reruns, uint64_t) +CTL_RO_CGEN(config_stats, stats_arenas_i_bins_j_curruns, + ctl_stats.arenas[mib[2]].bstats[mib[4]].curruns, size_t) + +static const ctl_named_node_t * +stats_arenas_i_bins_j_index(const size_t *mib, size_t miblen, size_t j) +{ + + if (j > NBINS) + return (NULL); + return (super_stats_arenas_i_bins_j_node); +} + +CTL_RO_CGEN(config_stats, stats_arenas_i_lruns_j_nmalloc, + ctl_stats.arenas[mib[2]].lstats[mib[4]].nmalloc, uint64_t) +CTL_RO_CGEN(config_stats, stats_arenas_i_lruns_j_ndalloc, + ctl_stats.arenas[mib[2]].lstats[mib[4]].ndalloc, uint64_t) +CTL_RO_CGEN(config_stats, stats_arenas_i_lruns_j_nrequests, + ctl_stats.arenas[mib[2]].lstats[mib[4]].nrequests, uint64_t) +CTL_RO_CGEN(config_stats, stats_arenas_i_lruns_j_curruns, + ctl_stats.arenas[mib[2]].lstats[mib[4]].curruns, size_t) + +static const ctl_named_node_t * +stats_arenas_i_lruns_j_index(const size_t *mib, size_t miblen, size_t j) +{ + + if (j > nlclasses) + return (NULL); + return (super_stats_arenas_i_lruns_j_node); +} + +CTL_RO_GEN(stats_arenas_i_nthreads, ctl_stats.arenas[mib[2]].nthreads, unsigned) +CTL_RO_GEN(stats_arenas_i_dss, ctl_stats.arenas[mib[2]].dss, const char *) +CTL_RO_GEN(stats_arenas_i_pactive, ctl_stats.arenas[mib[2]].pactive, size_t) +CTL_RO_GEN(stats_arenas_i_pdirty, ctl_stats.arenas[mib[2]].pdirty, size_t) +CTL_RO_CGEN(config_stats, stats_arenas_i_mapped, + ctl_stats.arenas[mib[2]].astats.mapped, size_t) +CTL_RO_CGEN(config_stats, stats_arenas_i_npurge, + ctl_stats.arenas[mib[2]].astats.npurge, uint64_t) +CTL_RO_CGEN(config_stats, stats_arenas_i_nmadvise, + ctl_stats.arenas[mib[2]].astats.nmadvise, uint64_t) +CTL_RO_CGEN(config_stats, stats_arenas_i_purged, + ctl_stats.arenas[mib[2]].astats.purged, uint64_t) + +static const ctl_named_node_t * +stats_arenas_i_index(const size_t *mib, size_t miblen, size_t i) +{ + const ctl_named_node_t * ret; + + malloc_mutex_lock(&ctl_mtx); + if (i > ctl_stats.narenas || ctl_stats.arenas[i].initialized == false) { + ret = NULL; + goto label_return; + } + + ret = super_stats_arenas_i_node; +label_return: + malloc_mutex_unlock(&ctl_mtx); + return (ret); +} + +CTL_RO_CGEN(config_stats, stats_cactive, &stats_cactive, size_t *) +CTL_RO_CGEN(config_stats, stats_allocated, ctl_stats.allocated, size_t) +CTL_RO_CGEN(config_stats, stats_active, ctl_stats.active, size_t) +CTL_RO_CGEN(config_stats, stats_mapped, ctl_stats.mapped, size_t) diff --git a/deps/jemalloc/src/extent.c b/deps/jemalloc/src/extent.c new file mode 100644 index 0000000..8c09b48 --- /dev/null +++ b/deps/jemalloc/src/extent.c @@ -0,0 +1,39 @@ +#define JEMALLOC_EXTENT_C_ +#include "jemalloc/internal/jemalloc_internal.h" + +/******************************************************************************/ + +static inline int +extent_szad_comp(extent_node_t *a, extent_node_t *b) +{ + int ret; + size_t a_size = a->size; + size_t b_size = b->size; + + ret = (a_size > b_size) - (a_size < b_size); + if (ret == 0) { + uintptr_t a_addr = (uintptr_t)a->addr; + uintptr_t b_addr = (uintptr_t)b->addr; + + ret = (a_addr > b_addr) - (a_addr < b_addr); + } + + return (ret); +} + +/* Generate red-black tree functions. */ +rb_gen(, extent_tree_szad_, extent_tree_t, extent_node_t, link_szad, + extent_szad_comp) + +static inline int +extent_ad_comp(extent_node_t *a, extent_node_t *b) +{ + uintptr_t a_addr = (uintptr_t)a->addr; + uintptr_t b_addr = (uintptr_t)b->addr; + + return ((a_addr > b_addr) - (a_addr < b_addr)); +} + +/* Generate red-black tree functions. */ +rb_gen(, extent_tree_ad_, extent_tree_t, extent_node_t, link_ad, + extent_ad_comp) diff --git a/deps/jemalloc/src/hash.c b/deps/jemalloc/src/hash.c new file mode 100644 index 0000000..cfa4da0 --- /dev/null +++ b/deps/jemalloc/src/hash.c @@ -0,0 +1,2 @@ +#define JEMALLOC_HASH_C_ +#include "jemalloc/internal/jemalloc_internal.h" diff --git a/deps/jemalloc/src/huge.c b/deps/jemalloc/src/huge.c new file mode 100644 index 0000000..aa08d43 --- /dev/null +++ b/deps/jemalloc/src/huge.c @@ -0,0 +1,313 @@ +#define JEMALLOC_HUGE_C_ +#include "jemalloc/internal/jemalloc_internal.h" + +/******************************************************************************/ +/* Data. */ + +uint64_t huge_nmalloc; +uint64_t huge_ndalloc; +size_t huge_allocated; + +malloc_mutex_t huge_mtx; + +/******************************************************************************/ + +/* Tree of chunks that are stand-alone huge allocations. */ +static extent_tree_t huge; + +void * +huge_malloc(size_t size, bool zero) +{ + + return (huge_palloc(size, chunksize, zero)); +} + +void * +huge_palloc(size_t size, size_t alignment, bool zero) +{ + void *ret; + size_t csize; + extent_node_t *node; + bool is_zeroed; + + /* Allocate one or more contiguous chunks for this request. */ + + csize = CHUNK_CEILING(size); + if (csize == 0) { + /* size is large enough to cause size_t wrap-around. */ + return (NULL); + } + + /* Allocate an extent node with which to track the chunk. */ + node = base_node_alloc(); + if (node == NULL) + return (NULL); + + /* + * Copy zero into is_zeroed and pass the copy to chunk_alloc(), so that + * it is possible to make correct junk/zero fill decisions below. + */ + is_zeroed = zero; + ret = chunk_alloc(csize, alignment, false, &is_zeroed, + chunk_dss_prec_get()); + if (ret == NULL) { + base_node_dealloc(node); + return (NULL); + } + + /* Insert node into huge. */ + node->addr = ret; + node->size = csize; + + malloc_mutex_lock(&huge_mtx); + extent_tree_ad_insert(&huge, node); + if (config_stats) { + stats_cactive_add(csize); + huge_nmalloc++; + huge_allocated += csize; + } + malloc_mutex_unlock(&huge_mtx); + + if (config_fill && zero == false) { + if (opt_junk) + memset(ret, 0xa5, csize); + else if (opt_zero && is_zeroed == false) + memset(ret, 0, csize); + } + + return (ret); +} + +void * +huge_ralloc_no_move(void *ptr, size_t oldsize, size_t size, size_t extra) +{ + + /* + * Avoid moving the allocation if the size class can be left the same. + */ + if (oldsize > arena_maxclass + && CHUNK_CEILING(oldsize) >= CHUNK_CEILING(size) + && CHUNK_CEILING(oldsize) <= CHUNK_CEILING(size+extra)) { + assert(CHUNK_CEILING(oldsize) == oldsize); + if (config_fill && opt_junk && size < oldsize) { + memset((void *)((uintptr_t)ptr + size), 0x5a, + oldsize - size); + } + return (ptr); + } + + /* Reallocation would require a move. */ + return (NULL); +} + +void * +huge_ralloc(void *ptr, size_t oldsize, size_t size, size_t extra, + size_t alignment, bool zero, bool try_tcache_dalloc) +{ + void *ret; + size_t copysize; + + /* Try to avoid moving the allocation. */ + ret = huge_ralloc_no_move(ptr, oldsize, size, extra); + if (ret != NULL) + return (ret); + + /* + * size and oldsize are different enough that we need to use a + * different size class. In that case, fall back to allocating new + * space and copying. + */ + if (alignment > chunksize) + ret = huge_palloc(size + extra, alignment, zero); + else + ret = huge_malloc(size + extra, zero); + + if (ret == NULL) { + if (extra == 0) + return (NULL); + /* Try again, this time without extra. */ + if (alignment > chunksize) + ret = huge_palloc(size, alignment, zero); + else + ret = huge_malloc(size, zero); + + if (ret == NULL) + return (NULL); + } + + /* + * Copy at most size bytes (not size+extra), since the caller has no + * expectation that the extra bytes will be reliably preserved. + */ + copysize = (size < oldsize) ? size : oldsize; + +#ifdef JEMALLOC_MREMAP + /* + * Use mremap(2) if this is a huge-->huge reallocation, and neither the + * source nor the destination are in dss. + */ + if (oldsize >= chunksize && (config_dss == false || (chunk_in_dss(ptr) + == false && chunk_in_dss(ret) == false))) { + size_t newsize = huge_salloc(ret); + + /* + * Remove ptr from the tree of huge allocations before + * performing the remap operation, in order to avoid the + * possibility of another thread acquiring that mapping before + * this one removes it from the tree. + */ + huge_dalloc(ptr, false); + if (mremap(ptr, oldsize, newsize, MREMAP_MAYMOVE|MREMAP_FIXED, + ret) == MAP_FAILED) { + /* + * Assuming no chunk management bugs in the allocator, + * the only documented way an error can occur here is + * if the application changed the map type for a + * portion of the old allocation. This is firmly in + * undefined behavior territory, so write a diagnostic + * message, and optionally abort. + */ + char buf[BUFERROR_BUF]; + + buferror(buf, sizeof(buf)); + malloc_printf(": Error in mremap(): %s\n", + buf); + if (opt_abort) + abort(); + memcpy(ret, ptr, copysize); + chunk_dealloc_mmap(ptr, oldsize); + } + } else +#endif + { + memcpy(ret, ptr, copysize); + iqallocx(ptr, try_tcache_dalloc); + } + return (ret); +} + +void +huge_dalloc(void *ptr, bool unmap) +{ + extent_node_t *node, key; + + malloc_mutex_lock(&huge_mtx); + + /* Extract from tree of huge allocations. */ + key.addr = ptr; + node = extent_tree_ad_search(&huge, &key); + assert(node != NULL); + assert(node->addr == ptr); + extent_tree_ad_remove(&huge, node); + + if (config_stats) { + stats_cactive_sub(node->size); + huge_ndalloc++; + huge_allocated -= node->size; + } + + malloc_mutex_unlock(&huge_mtx); + + if (unmap && config_fill && config_dss && opt_junk) + memset(node->addr, 0x5a, node->size); + + chunk_dealloc(node->addr, node->size, unmap); + + base_node_dealloc(node); +} + +size_t +huge_salloc(const void *ptr) +{ + size_t ret; + extent_node_t *node, key; + + malloc_mutex_lock(&huge_mtx); + + /* Extract from tree of huge allocations. */ + key.addr = __DECONST(void *, ptr); + node = extent_tree_ad_search(&huge, &key); + assert(node != NULL); + + ret = node->size; + + malloc_mutex_unlock(&huge_mtx); + + return (ret); +} + +prof_ctx_t * +huge_prof_ctx_get(const void *ptr) +{ + prof_ctx_t *ret; + extent_node_t *node, key; + + malloc_mutex_lock(&huge_mtx); + + /* Extract from tree of huge allocations. */ + key.addr = __DECONST(void *, ptr); + node = extent_tree_ad_search(&huge, &key); + assert(node != NULL); + + ret = node->prof_ctx; + + malloc_mutex_unlock(&huge_mtx); + + return (ret); +} + +void +huge_prof_ctx_set(const void *ptr, prof_ctx_t *ctx) +{ + extent_node_t *node, key; + + malloc_mutex_lock(&huge_mtx); + + /* Extract from tree of huge allocations. */ + key.addr = __DECONST(void *, ptr); + node = extent_tree_ad_search(&huge, &key); + assert(node != NULL); + + node->prof_ctx = ctx; + + malloc_mutex_unlock(&huge_mtx); +} + +bool +huge_boot(void) +{ + + /* Initialize chunks data. */ + if (malloc_mutex_init(&huge_mtx)) + return (true); + extent_tree_ad_new(&huge); + + if (config_stats) { + huge_nmalloc = 0; + huge_ndalloc = 0; + huge_allocated = 0; + } + + return (false); +} + +void +huge_prefork(void) +{ + + malloc_mutex_prefork(&huge_mtx); +} + +void +huge_postfork_parent(void) +{ + + malloc_mutex_postfork_parent(&huge_mtx); +} + +void +huge_postfork_child(void) +{ + + malloc_mutex_postfork_child(&huge_mtx); +} diff --git a/deps/jemalloc/src/jemalloc.c b/deps/jemalloc/src/jemalloc.c new file mode 100644 index 0000000..8a667b6 --- /dev/null +++ b/deps/jemalloc/src/jemalloc.c @@ -0,0 +1,1836 @@ +#define JEMALLOC_C_ +#include "jemalloc/internal/jemalloc_internal.h" + +/******************************************************************************/ +/* Data. */ + +malloc_tsd_data(, arenas, arena_t *, NULL) +malloc_tsd_data(, thread_allocated, thread_allocated_t, + THREAD_ALLOCATED_INITIALIZER) + +/* Runtime configuration options. */ +const char *je_malloc_conf; +#ifdef JEMALLOC_DEBUG +bool opt_abort = true; +# ifdef JEMALLOC_FILL +bool opt_junk = true; +# else +bool opt_junk = false; +# endif +#else +bool opt_abort = false; +bool opt_junk = false; +#endif +size_t opt_quarantine = ZU(0); +bool opt_redzone = false; +bool opt_utrace = false; +bool opt_valgrind = false; +bool opt_xmalloc = false; +bool opt_zero = false; +size_t opt_narenas = 0; + +unsigned ncpus; + +malloc_mutex_t arenas_lock; +arena_t **arenas; +unsigned narenas_total; +unsigned narenas_auto; + +/* Set to true once the allocator has been initialized. */ +static bool malloc_initialized = false; + +#ifdef JEMALLOC_THREADED_INIT +/* Used to let the initializing thread recursively allocate. */ +# define NO_INITIALIZER ((unsigned long)0) +# define INITIALIZER pthread_self() +# define IS_INITIALIZER (malloc_initializer == pthread_self()) +static pthread_t malloc_initializer = NO_INITIALIZER; +#else +# define NO_INITIALIZER false +# define INITIALIZER true +# define IS_INITIALIZER malloc_initializer +static bool malloc_initializer = NO_INITIALIZER; +#endif + +/* Used to avoid initialization races. */ +#ifdef _WIN32 +static malloc_mutex_t init_lock; + +JEMALLOC_ATTR(constructor) +static void WINAPI +_init_init_lock(void) +{ + + malloc_mutex_init(&init_lock); +} + +#ifdef _MSC_VER +# pragma section(".CRT$XCU", read) +JEMALLOC_SECTION(".CRT$XCU") JEMALLOC_ATTR(used) +static const void (WINAPI *init_init_lock)(void) = _init_init_lock; +#endif + +#else +static malloc_mutex_t init_lock = MALLOC_MUTEX_INITIALIZER; +#endif + +typedef struct { + void *p; /* Input pointer (as in realloc(p, s)). */ + size_t s; /* Request size. */ + void *r; /* Result pointer. */ +} malloc_utrace_t; + +#ifdef JEMALLOC_UTRACE +# define UTRACE(a, b, c) do { \ + if (opt_utrace) { \ + malloc_utrace_t ut; \ + ut.p = (a); \ + ut.s = (b); \ + ut.r = (c); \ + utrace(&ut, sizeof(ut)); \ + } \ +} while (0) +#else +# define UTRACE(a, b, c) +#endif + +/******************************************************************************/ +/* Function prototypes for non-inline static functions. */ + +static void stats_print_atexit(void); +static unsigned malloc_ncpus(void); +static bool malloc_conf_next(char const **opts_p, char const **k_p, + size_t *klen_p, char const **v_p, size_t *vlen_p); +static void malloc_conf_error(const char *msg, const char *k, size_t klen, + const char *v, size_t vlen); +static void malloc_conf_init(void); +static bool malloc_init_hard(void); +static int imemalign(void **memptr, size_t alignment, size_t size, + size_t min_alignment); + +/******************************************************************************/ +/* + * Begin miscellaneous support functions. + */ + +/* Create a new arena and insert it into the arenas array at index ind. */ +arena_t * +arenas_extend(unsigned ind) +{ + arena_t *ret; + + ret = (arena_t *)base_alloc(sizeof(arena_t)); + if (ret != NULL && arena_new(ret, ind) == false) { + arenas[ind] = ret; + return (ret); + } + /* Only reached if there is an OOM error. */ + + /* + * OOM here is quite inconvenient to propagate, since dealing with it + * would require a check for failure in the fast path. Instead, punt + * by using arenas[0]. In practice, this is an extremely unlikely + * failure. + */ + malloc_write(": Error initializing arena\n"); + if (opt_abort) + abort(); + + return (arenas[0]); +} + +/* Slow path, called only by choose_arena(). */ +arena_t * +choose_arena_hard(void) +{ + arena_t *ret; + + if (narenas_auto > 1) { + unsigned i, choose, first_null; + + choose = 0; + first_null = narenas_auto; + malloc_mutex_lock(&arenas_lock); + assert(arenas[0] != NULL); + for (i = 1; i < narenas_auto; i++) { + if (arenas[i] != NULL) { + /* + * Choose the first arena that has the lowest + * number of threads assigned to it. + */ + if (arenas[i]->nthreads < + arenas[choose]->nthreads) + choose = i; + } else if (first_null == narenas_auto) { + /* + * Record the index of the first uninitialized + * arena, in case all extant arenas are in use. + * + * NB: It is possible for there to be + * discontinuities in terms of initialized + * versus uninitialized arenas, due to the + * "thread.arena" mallctl. + */ + first_null = i; + } + } + + if (arenas[choose]->nthreads == 0 + || first_null == narenas_auto) { + /* + * Use an unloaded arena, or the least loaded arena if + * all arenas are already initialized. + */ + ret = arenas[choose]; + } else { + /* Initialize a new arena. */ + ret = arenas_extend(first_null); + } + ret->nthreads++; + malloc_mutex_unlock(&arenas_lock); + } else { + ret = arenas[0]; + malloc_mutex_lock(&arenas_lock); + ret->nthreads++; + malloc_mutex_unlock(&arenas_lock); + } + + arenas_tsd_set(&ret); + + return (ret); +} + +static void +stats_print_atexit(void) +{ + + if (config_tcache && config_stats) { + unsigned narenas, i; + + /* + * Merge stats from extant threads. This is racy, since + * individual threads do not lock when recording tcache stats + * events. As a consequence, the final stats may be slightly + * out of date by the time they are reported, if other threads + * continue to allocate. + */ + for (i = 0, narenas = narenas_total_get(); i < narenas; i++) { + arena_t *arena = arenas[i]; + if (arena != NULL) { + tcache_t *tcache; + + /* + * tcache_stats_merge() locks bins, so if any + * code is introduced that acquires both arena + * and bin locks in the opposite order, + * deadlocks may result. + */ + malloc_mutex_lock(&arena->lock); + ql_foreach(tcache, &arena->tcache_ql, link) { + tcache_stats_merge(tcache, arena); + } + malloc_mutex_unlock(&arena->lock); + } + } + } + je_malloc_stats_print(NULL, NULL, NULL); +} + +/* + * End miscellaneous support functions. + */ +/******************************************************************************/ +/* + * Begin initialization functions. + */ + +static unsigned +malloc_ncpus(void) +{ + unsigned ret; + long result; + +#ifdef _WIN32 + SYSTEM_INFO si; + GetSystemInfo(&si); + result = si.dwNumberOfProcessors; +#else + result = sysconf(_SC_NPROCESSORS_ONLN); +#endif + if (result == -1) { + /* Error. */ + ret = 1; + } else { + ret = (unsigned)result; + } + + return (ret); +} + +void +arenas_cleanup(void *arg) +{ + arena_t *arena = *(arena_t **)arg; + + malloc_mutex_lock(&arenas_lock); + arena->nthreads--; + malloc_mutex_unlock(&arenas_lock); +} + +static inline bool +malloc_init(void) +{ + + if (malloc_initialized == false) + return (malloc_init_hard()); + + return (false); +} + +static bool +malloc_conf_next(char const **opts_p, char const **k_p, size_t *klen_p, + char const **v_p, size_t *vlen_p) +{ + bool accept; + const char *opts = *opts_p; + + *k_p = opts; + + for (accept = false; accept == false;) { + switch (*opts) { + case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': + case 'G': case 'H': case 'I': case 'J': case 'K': case 'L': + case 'M': case 'N': case 'O': case 'P': case 'Q': case 'R': + case 'S': case 'T': case 'U': case 'V': case 'W': case 'X': + case 'Y': case 'Z': + case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': + case 'g': case 'h': case 'i': case 'j': case 'k': case 'l': + case 'm': case 'n': case 'o': case 'p': case 'q': case 'r': + case 's': case 't': case 'u': case 'v': case 'w': case 'x': + case 'y': case 'z': + case '0': case '1': case '2': case '3': case '4': case '5': + case '6': case '7': case '8': case '9': + case '_': + opts++; + break; + case ':': + opts++; + *klen_p = (uintptr_t)opts - 1 - (uintptr_t)*k_p; + *v_p = opts; + accept = true; + break; + case '\0': + if (opts != *opts_p) { + malloc_write(": Conf string ends " + "with key\n"); + } + return (true); + default: + malloc_write(": Malformed conf string\n"); + return (true); + } + } + + for (accept = false; accept == false;) { + switch (*opts) { + case ',': + opts++; + /* + * Look ahead one character here, because the next time + * this function is called, it will assume that end of + * input has been cleanly reached if no input remains, + * but we have optimistically already consumed the + * comma if one exists. + */ + if (*opts == '\0') { + malloc_write(": Conf string ends " + "with comma\n"); + } + *vlen_p = (uintptr_t)opts - 1 - (uintptr_t)*v_p; + accept = true; + break; + case '\0': + *vlen_p = (uintptr_t)opts - (uintptr_t)*v_p; + accept = true; + break; + default: + opts++; + break; + } + } + + *opts_p = opts; + return (false); +} + +static void +malloc_conf_error(const char *msg, const char *k, size_t klen, const char *v, + size_t vlen) +{ + + malloc_printf(": %s: %.*s:%.*s\n", msg, (int)klen, k, + (int)vlen, v); +} + +static void +malloc_conf_init(void) +{ + unsigned i; + char buf[PATH_MAX + 1]; + const char *opts, *k, *v; + size_t klen, vlen; + + /* + * Automatically configure valgrind before processing options. The + * valgrind option remains in jemalloc 3.x for compatibility reasons. + */ + if (config_valgrind) { + opt_valgrind = (RUNNING_ON_VALGRIND != 0) ? true : false; + if (config_fill && opt_valgrind) { + opt_junk = false; + assert(opt_zero == false); + opt_quarantine = JEMALLOC_VALGRIND_QUARANTINE_DEFAULT; + opt_redzone = true; + } + if (config_tcache && opt_valgrind) + opt_tcache = false; + } + + for (i = 0; i < 3; i++) { + /* Get runtime configuration. */ + switch (i) { + case 0: + if (je_malloc_conf != NULL) { + /* + * Use options that were compiled into the + * program. + */ + opts = je_malloc_conf; + } else { + /* No configuration specified. */ + buf[0] = '\0'; + opts = buf; + } + break; + case 1: { +#ifndef _WIN32 + int linklen; + const char *linkname = +# ifdef JEMALLOC_PREFIX + "/etc/"JEMALLOC_PREFIX"malloc.conf" +# else + "/etc/malloc.conf" +# endif + ; + + if ((linklen = readlink(linkname, buf, + sizeof(buf) - 1)) != -1) { + /* + * Use the contents of the "/etc/malloc.conf" + * symbolic link's name. + */ + buf[linklen] = '\0'; + opts = buf; + } else +#endif + { + /* No configuration specified. */ + buf[0] = '\0'; + opts = buf; + } + break; + } case 2: { + const char *envname = +#ifdef JEMALLOC_PREFIX + JEMALLOC_CPREFIX"MALLOC_CONF" +#else + "MALLOC_CONF" +#endif + ; + + if ((opts = getenv(envname)) != NULL) { + /* + * Do nothing; opts is already initialized to + * the value of the MALLOC_CONF environment + * variable. + */ + } else { + /* No configuration specified. */ + buf[0] = '\0'; + opts = buf; + } + break; + } default: + /* NOTREACHED */ + assert(false); + buf[0] = '\0'; + opts = buf; + } + + while (*opts != '\0' && malloc_conf_next(&opts, &k, &klen, &v, + &vlen) == false) { +#define CONF_HANDLE_BOOL_HIT(o, n, hit) \ + if (sizeof(n)-1 == klen && strncmp(n, k, \ + klen) == 0) { \ + if (strncmp("true", v, vlen) == 0 && \ + vlen == sizeof("true")-1) \ + o = true; \ + else if (strncmp("false", v, vlen) == \ + 0 && vlen == sizeof("false")-1) \ + o = false; \ + else { \ + malloc_conf_error( \ + "Invalid conf value", \ + k, klen, v, vlen); \ + } \ + hit = true; \ + } else \ + hit = false; +#define CONF_HANDLE_BOOL(o, n) { \ + bool hit; \ + CONF_HANDLE_BOOL_HIT(o, n, hit); \ + if (hit) \ + continue; \ +} +#define CONF_HANDLE_SIZE_T(o, n, min, max) \ + if (sizeof(n)-1 == klen && strncmp(n, k, \ + klen) == 0) { \ + uintmax_t um; \ + char *end; \ + \ + set_errno(0); \ + um = malloc_strtoumax(v, &end, 0); \ + if (get_errno() != 0 || (uintptr_t)end -\ + (uintptr_t)v != vlen) { \ + malloc_conf_error( \ + "Invalid conf value", \ + k, klen, v, vlen); \ + } else if (um < min || um > max) { \ + malloc_conf_error( \ + "Out-of-range conf value", \ + k, klen, v, vlen); \ + } else \ + o = um; \ + continue; \ + } +#define CONF_HANDLE_SSIZE_T(o, n, min, max) \ + if (sizeof(n)-1 == klen && strncmp(n, k, \ + klen) == 0) { \ + long l; \ + char *end; \ + \ + set_errno(0); \ + l = strtol(v, &end, 0); \ + if (get_errno() != 0 || (uintptr_t)end -\ + (uintptr_t)v != vlen) { \ + malloc_conf_error( \ + "Invalid conf value", \ + k, klen, v, vlen); \ + } else if (l < (ssize_t)min || l > \ + (ssize_t)max) { \ + malloc_conf_error( \ + "Out-of-range conf value", \ + k, klen, v, vlen); \ + } else \ + o = l; \ + continue; \ + } +#define CONF_HANDLE_CHAR_P(o, n, d) \ + if (sizeof(n)-1 == klen && strncmp(n, k, \ + klen) == 0) { \ + size_t cpylen = (vlen <= \ + sizeof(o)-1) ? vlen : \ + sizeof(o)-1; \ + strncpy(o, v, cpylen); \ + o[cpylen] = '\0'; \ + continue; \ + } + + CONF_HANDLE_BOOL(opt_abort, "abort") + /* + * Chunks always require at least one header page, plus + * one data page in the absence of redzones, or three + * pages in the presence of redzones. In order to + * simplify options processing, fix the limit based on + * config_fill. + */ + CONF_HANDLE_SIZE_T(opt_lg_chunk, "lg_chunk", LG_PAGE + + (config_fill ? 2 : 1), (sizeof(size_t) << 3) - 1) + if (strncmp("dss", k, klen) == 0) { + int i; + bool match = false; + for (i = 0; i < dss_prec_limit; i++) { + if (strncmp(dss_prec_names[i], v, vlen) + == 0) { + if (chunk_dss_prec_set(i)) { + malloc_conf_error( + "Error setting dss", + k, klen, v, vlen); + } else { + opt_dss = + dss_prec_names[i]; + match = true; + break; + } + } + } + if (match == false) { + malloc_conf_error("Invalid conf value", + k, klen, v, vlen); + } + continue; + } + CONF_HANDLE_SIZE_T(opt_narenas, "narenas", 1, + SIZE_T_MAX) + CONF_HANDLE_SSIZE_T(opt_lg_dirty_mult, "lg_dirty_mult", + -1, (sizeof(size_t) << 3) - 1) + CONF_HANDLE_BOOL(opt_stats_print, "stats_print") + if (config_fill) { + CONF_HANDLE_BOOL(opt_junk, "junk") + CONF_HANDLE_SIZE_T(opt_quarantine, "quarantine", + 0, SIZE_T_MAX) + CONF_HANDLE_BOOL(opt_redzone, "redzone") + CONF_HANDLE_BOOL(opt_zero, "zero") + } + if (config_utrace) { + CONF_HANDLE_BOOL(opt_utrace, "utrace") + } + if (config_valgrind) { + CONF_HANDLE_BOOL(opt_valgrind, "valgrind") + } + if (config_xmalloc) { + CONF_HANDLE_BOOL(opt_xmalloc, "xmalloc") + } + if (config_tcache) { + CONF_HANDLE_BOOL(opt_tcache, "tcache") + CONF_HANDLE_SSIZE_T(opt_lg_tcache_max, + "lg_tcache_max", -1, + (sizeof(size_t) << 3) - 1) + } + if (config_prof) { + CONF_HANDLE_BOOL(opt_prof, "prof") + CONF_HANDLE_CHAR_P(opt_prof_prefix, + "prof_prefix", "jeprof") + CONF_HANDLE_BOOL(opt_prof_active, "prof_active") + CONF_HANDLE_SSIZE_T(opt_lg_prof_sample, + "lg_prof_sample", 0, + (sizeof(uint64_t) << 3) - 1) + CONF_HANDLE_BOOL(opt_prof_accum, "prof_accum") + CONF_HANDLE_SSIZE_T(opt_lg_prof_interval, + "lg_prof_interval", -1, + (sizeof(uint64_t) << 3) - 1) + CONF_HANDLE_BOOL(opt_prof_gdump, "prof_gdump") + CONF_HANDLE_BOOL(opt_prof_final, "prof_final") + CONF_HANDLE_BOOL(opt_prof_leak, "prof_leak") + } + malloc_conf_error("Invalid conf pair", k, klen, v, + vlen); +#undef CONF_HANDLE_BOOL +#undef CONF_HANDLE_SIZE_T +#undef CONF_HANDLE_SSIZE_T +#undef CONF_HANDLE_CHAR_P + } + } +} + +static bool +malloc_init_hard(void) +{ + arena_t *init_arenas[1]; + + malloc_mutex_lock(&init_lock); + if (malloc_initialized || IS_INITIALIZER) { + /* + * Another thread initialized the allocator before this one + * acquired init_lock, or this thread is the initializing + * thread, and it is recursively allocating. + */ + malloc_mutex_unlock(&init_lock); + return (false); + } +#ifdef JEMALLOC_THREADED_INIT + if (malloc_initializer != NO_INITIALIZER && IS_INITIALIZER == false) { + /* Busy-wait until the initializing thread completes. */ + do { + malloc_mutex_unlock(&init_lock); + CPU_SPINWAIT; + malloc_mutex_lock(&init_lock); + } while (malloc_initialized == false); + malloc_mutex_unlock(&init_lock); + return (false); + } +#endif + malloc_initializer = INITIALIZER; + + malloc_tsd_boot(); + if (config_prof) + prof_boot0(); + + malloc_conf_init(); + +#if (!defined(JEMALLOC_MUTEX_INIT_CB) && !defined(JEMALLOC_ZONE) \ + && !defined(_WIN32)) + /* Register fork handlers. */ + if (pthread_atfork(jemalloc_prefork, jemalloc_postfork_parent, + jemalloc_postfork_child) != 0) { + malloc_write(": Error in pthread_atfork()\n"); + if (opt_abort) + abort(); + } +#endif + + if (opt_stats_print) { + /* Print statistics at exit. */ + if (atexit(stats_print_atexit) != 0) { + malloc_write(": Error in atexit()\n"); + if (opt_abort) + abort(); + } + } + + if (base_boot()) { + malloc_mutex_unlock(&init_lock); + return (true); + } + + if (chunk_boot()) { + malloc_mutex_unlock(&init_lock); + return (true); + } + + if (ctl_boot()) { + malloc_mutex_unlock(&init_lock); + return (true); + } + + if (config_prof) + prof_boot1(); + + arena_boot(); + + if (config_tcache && tcache_boot0()) { + malloc_mutex_unlock(&init_lock); + return (true); + } + + if (huge_boot()) { + malloc_mutex_unlock(&init_lock); + return (true); + } + + if (malloc_mutex_init(&arenas_lock)) + return (true); + + /* + * Create enough scaffolding to allow recursive allocation in + * malloc_ncpus(). + */ + narenas_total = narenas_auto = 1; + arenas = init_arenas; + memset(arenas, 0, sizeof(arena_t *) * narenas_auto); + + /* + * Initialize one arena here. The rest are lazily created in + * choose_arena_hard(). + */ + arenas_extend(0); + if (arenas[0] == NULL) { + malloc_mutex_unlock(&init_lock); + return (true); + } + + /* Initialize allocation counters before any allocations can occur. */ + if (config_stats && thread_allocated_tsd_boot()) { + malloc_mutex_unlock(&init_lock); + return (true); + } + + if (arenas_tsd_boot()) { + malloc_mutex_unlock(&init_lock); + return (true); + } + + if (config_tcache && tcache_boot1()) { + malloc_mutex_unlock(&init_lock); + return (true); + } + + if (config_fill && quarantine_boot()) { + malloc_mutex_unlock(&init_lock); + return (true); + } + + if (config_prof && prof_boot2()) { + malloc_mutex_unlock(&init_lock); + return (true); + } + + /* Get number of CPUs. */ + malloc_mutex_unlock(&init_lock); + ncpus = malloc_ncpus(); + malloc_mutex_lock(&init_lock); + + if (mutex_boot()) { + malloc_mutex_unlock(&init_lock); + return (true); + } + + if (opt_narenas == 0) { + /* + * For SMP systems, create more than one arena per CPU by + * default. + */ + if (ncpus > 1) + opt_narenas = ncpus << 2; + else + opt_narenas = 1; + } + narenas_auto = opt_narenas; + /* + * Make sure that the arenas array can be allocated. In practice, this + * limit is enough to allow the allocator to function, but the ctl + * machinery will fail to allocate memory at far lower limits. + */ + if (narenas_auto > chunksize / sizeof(arena_t *)) { + narenas_auto = chunksize / sizeof(arena_t *); + malloc_printf(": Reducing narenas to limit (%d)\n", + narenas_auto); + } + narenas_total = narenas_auto; + + /* Allocate and initialize arenas. */ + arenas = (arena_t **)base_alloc(sizeof(arena_t *) * narenas_total); + if (arenas == NULL) { + malloc_mutex_unlock(&init_lock); + return (true); + } + /* + * Zero the array. In practice, this should always be pre-zeroed, + * since it was just mmap()ed, but let's be sure. + */ + memset(arenas, 0, sizeof(arena_t *) * narenas_total); + /* Copy the pointer to the one arena that was already initialized. */ + arenas[0] = init_arenas[0]; + + malloc_initialized = true; + malloc_mutex_unlock(&init_lock); + return (false); +} + +/* + * End initialization functions. + */ +/******************************************************************************/ +/* + * Begin malloc(3)-compatible functions. + */ + +void * +je_malloc(size_t size) +{ + void *ret; + size_t usize JEMALLOC_CC_SILENCE_INIT(0); + prof_thr_cnt_t *cnt JEMALLOC_CC_SILENCE_INIT(NULL); + + if (malloc_init()) { + ret = NULL; + goto label_oom; + } + + if (size == 0) + size = 1; + + if (config_prof && opt_prof) { + usize = s2u(size); + PROF_ALLOC_PREP(1, usize, cnt); + if (cnt == NULL) { + ret = NULL; + goto label_oom; + } + if (prof_promote && (uintptr_t)cnt != (uintptr_t)1U && usize <= + SMALL_MAXCLASS) { + ret = imalloc(SMALL_MAXCLASS+1); + if (ret != NULL) + arena_prof_promoted(ret, usize); + } else + ret = imalloc(size); + } else { + if (config_stats || (config_valgrind && opt_valgrind)) + usize = s2u(size); + ret = imalloc(size); + } + +label_oom: + if (ret == NULL) { + if (config_xmalloc && opt_xmalloc) { + malloc_write(": Error in malloc(): " + "out of memory\n"); + abort(); + } + set_errno(ENOMEM); + } + if (config_prof && opt_prof && ret != NULL) + prof_malloc(ret, usize, cnt); + if (config_stats && ret != NULL) { + assert(usize == isalloc(ret, config_prof)); + thread_allocated_tsd_get()->allocated += usize; + } + UTRACE(0, size, ret); + JEMALLOC_VALGRIND_MALLOC(ret != NULL, ret, usize, false); + return (ret); +} + +JEMALLOC_ATTR(nonnull(1)) +#ifdef JEMALLOC_PROF +/* + * Avoid any uncertainty as to how many backtrace frames to ignore in + * PROF_ALLOC_PREP(). + */ +JEMALLOC_ATTR(noinline) +#endif +static int +imemalign(void **memptr, size_t alignment, size_t size, + size_t min_alignment) +{ + int ret; + size_t usize; + void *result; + prof_thr_cnt_t *cnt JEMALLOC_CC_SILENCE_INIT(NULL); + + assert(min_alignment != 0); + + if (malloc_init()) + result = NULL; + else { + if (size == 0) + size = 1; + + /* Make sure that alignment is a large enough power of 2. */ + if (((alignment - 1) & alignment) != 0 + || (alignment < min_alignment)) { + if (config_xmalloc && opt_xmalloc) { + malloc_write(": Error allocating " + "aligned memory: invalid alignment\n"); + abort(); + } + result = NULL; + ret = EINVAL; + goto label_return; + } + + usize = sa2u(size, alignment); + if (usize == 0) { + result = NULL; + ret = ENOMEM; + goto label_return; + } + + if (config_prof && opt_prof) { + PROF_ALLOC_PREP(2, usize, cnt); + if (cnt == NULL) { + result = NULL; + ret = EINVAL; + } else { + if (prof_promote && (uintptr_t)cnt != + (uintptr_t)1U && usize <= SMALL_MAXCLASS) { + assert(sa2u(SMALL_MAXCLASS+1, + alignment) != 0); + result = ipalloc(sa2u(SMALL_MAXCLASS+1, + alignment), alignment, false); + if (result != NULL) { + arena_prof_promoted(result, + usize); + } + } else { + result = ipalloc(usize, alignment, + false); + } + } + } else + result = ipalloc(usize, alignment, false); + } + + if (result == NULL) { + if (config_xmalloc && opt_xmalloc) { + malloc_write(": Error allocating aligned " + "memory: out of memory\n"); + abort(); + } + ret = ENOMEM; + goto label_return; + } + + *memptr = result; + ret = 0; + +label_return: + if (config_stats && result != NULL) { + assert(usize == isalloc(result, config_prof)); + thread_allocated_tsd_get()->allocated += usize; + } + if (config_prof && opt_prof && result != NULL) + prof_malloc(result, usize, cnt); + UTRACE(0, size, result); + return (ret); +} + +int +je_posix_memalign(void **memptr, size_t alignment, size_t size) +{ + int ret = imemalign(memptr, alignment, size, sizeof(void *)); + JEMALLOC_VALGRIND_MALLOC(ret == 0, *memptr, isalloc(*memptr, + config_prof), false); + return (ret); +} + +void * +je_aligned_alloc(size_t alignment, size_t size) +{ + void *ret; + int err; + + if ((err = imemalign(&ret, alignment, size, 1)) != 0) { + ret = NULL; + set_errno(err); + } + JEMALLOC_VALGRIND_MALLOC(err == 0, ret, isalloc(ret, config_prof), + false); + return (ret); +} + +void * +je_calloc(size_t num, size_t size) +{ + void *ret; + size_t num_size; + size_t usize JEMALLOC_CC_SILENCE_INIT(0); + prof_thr_cnt_t *cnt JEMALLOC_CC_SILENCE_INIT(NULL); + + if (malloc_init()) { + num_size = 0; + ret = NULL; + goto label_return; + } + + num_size = num * size; + if (num_size == 0) { + if (num == 0 || size == 0) + num_size = 1; + else { + ret = NULL; + goto label_return; + } + /* + * Try to avoid division here. We know that it isn't possible to + * overflow during multiplication if neither operand uses any of the + * most significant half of the bits in a size_t. + */ + } else if (((num | size) & (SIZE_T_MAX << (sizeof(size_t) << 2))) + && (num_size / size != num)) { + /* size_t overflow. */ + ret = NULL; + goto label_return; + } + + if (config_prof && opt_prof) { + usize = s2u(num_size); + PROF_ALLOC_PREP(1, usize, cnt); + if (cnt == NULL) { + ret = NULL; + goto label_return; + } + if (prof_promote && (uintptr_t)cnt != (uintptr_t)1U && usize + <= SMALL_MAXCLASS) { + ret = icalloc(SMALL_MAXCLASS+1); + if (ret != NULL) + arena_prof_promoted(ret, usize); + } else + ret = icalloc(num_size); + } else { + if (config_stats || (config_valgrind && opt_valgrind)) + usize = s2u(num_size); + ret = icalloc(num_size); + } + +label_return: + if (ret == NULL) { + if (config_xmalloc && opt_xmalloc) { + malloc_write(": Error in calloc(): out of " + "memory\n"); + abort(); + } + set_errno(ENOMEM); + } + + if (config_prof && opt_prof && ret != NULL) + prof_malloc(ret, usize, cnt); + if (config_stats && ret != NULL) { + assert(usize == isalloc(ret, config_prof)); + thread_allocated_tsd_get()->allocated += usize; + } + UTRACE(0, num_size, ret); + JEMALLOC_VALGRIND_MALLOC(ret != NULL, ret, usize, true); + return (ret); +} + +void * +je_realloc(void *ptr, size_t size) +{ + void *ret; + size_t usize JEMALLOC_CC_SILENCE_INIT(0); + size_t old_size = 0; + size_t old_rzsize JEMALLOC_CC_SILENCE_INIT(0); + prof_thr_cnt_t *cnt JEMALLOC_CC_SILENCE_INIT(NULL); + prof_ctx_t *old_ctx JEMALLOC_CC_SILENCE_INIT(NULL); + + if (size == 0) { + if (ptr != NULL) { + /* realloc(ptr, 0) is equivalent to free(p). */ + if (config_prof) { + old_size = isalloc(ptr, true); + if (config_valgrind && opt_valgrind) + old_rzsize = p2rz(ptr); + } else if (config_stats) { + old_size = isalloc(ptr, false); + if (config_valgrind && opt_valgrind) + old_rzsize = u2rz(old_size); + } else if (config_valgrind && opt_valgrind) { + old_size = isalloc(ptr, false); + old_rzsize = u2rz(old_size); + } + if (config_prof && opt_prof) { + old_ctx = prof_ctx_get(ptr); + cnt = NULL; + } + iqalloc(ptr); + ret = NULL; + goto label_return; + } else + size = 1; + } + + if (ptr != NULL) { + assert(malloc_initialized || IS_INITIALIZER); + + if (config_prof) { + old_size = isalloc(ptr, true); + if (config_valgrind && opt_valgrind) + old_rzsize = p2rz(ptr); + } else if (config_stats) { + old_size = isalloc(ptr, false); + if (config_valgrind && opt_valgrind) + old_rzsize = u2rz(old_size); + } else if (config_valgrind && opt_valgrind) { + old_size = isalloc(ptr, false); + old_rzsize = u2rz(old_size); + } + if (config_prof && opt_prof) { + usize = s2u(size); + old_ctx = prof_ctx_get(ptr); + PROF_ALLOC_PREP(1, usize, cnt); + if (cnt == NULL) { + old_ctx = NULL; + ret = NULL; + goto label_oom; + } + if (prof_promote && (uintptr_t)cnt != (uintptr_t)1U && + usize <= SMALL_MAXCLASS) { + ret = iralloc(ptr, SMALL_MAXCLASS+1, 0, 0, + false, false); + if (ret != NULL) + arena_prof_promoted(ret, usize); + else + old_ctx = NULL; + } else { + ret = iralloc(ptr, size, 0, 0, false, false); + if (ret == NULL) + old_ctx = NULL; + } + } else { + if (config_stats || (config_valgrind && opt_valgrind)) + usize = s2u(size); + ret = iralloc(ptr, size, 0, 0, false, false); + } + +label_oom: + if (ret == NULL) { + if (config_xmalloc && opt_xmalloc) { + malloc_write(": Error in realloc(): " + "out of memory\n"); + abort(); + } + set_errno(ENOMEM); + } + } else { + /* realloc(NULL, size) is equivalent to malloc(size). */ + if (config_prof && opt_prof) + old_ctx = NULL; + if (malloc_init()) { + if (config_prof && opt_prof) + cnt = NULL; + ret = NULL; + } else { + if (config_prof && opt_prof) { + usize = s2u(size); + PROF_ALLOC_PREP(1, usize, cnt); + if (cnt == NULL) + ret = NULL; + else { + if (prof_promote && (uintptr_t)cnt != + (uintptr_t)1U && usize <= + SMALL_MAXCLASS) { + ret = imalloc(SMALL_MAXCLASS+1); + if (ret != NULL) { + arena_prof_promoted(ret, + usize); + } + } else + ret = imalloc(size); + } + } else { + if (config_stats || (config_valgrind && + opt_valgrind)) + usize = s2u(size); + ret = imalloc(size); + } + } + + if (ret == NULL) { + if (config_xmalloc && opt_xmalloc) { + malloc_write(": Error in realloc(): " + "out of memory\n"); + abort(); + } + set_errno(ENOMEM); + } + } + +label_return: + if (config_prof && opt_prof) + prof_realloc(ret, usize, cnt, old_size, old_ctx); + if (config_stats && ret != NULL) { + thread_allocated_t *ta; + assert(usize == isalloc(ret, config_prof)); + ta = thread_allocated_tsd_get(); + ta->allocated += usize; + ta->deallocated += old_size; + } + UTRACE(ptr, size, ret); + JEMALLOC_VALGRIND_REALLOC(ret, usize, ptr, old_size, old_rzsize, false); + return (ret); +} + +void +je_free(void *ptr) +{ + + UTRACE(ptr, 0, 0); + if (ptr != NULL) { + size_t usize; + size_t rzsize JEMALLOC_CC_SILENCE_INIT(0); + + assert(malloc_initialized || IS_INITIALIZER); + + if (config_prof && opt_prof) { + usize = isalloc(ptr, config_prof); + prof_free(ptr, usize); + } else if (config_stats || config_valgrind) + usize = isalloc(ptr, config_prof); + if (config_stats) + thread_allocated_tsd_get()->deallocated += usize; + if (config_valgrind && opt_valgrind) + rzsize = p2rz(ptr); + iqalloc(ptr); + JEMALLOC_VALGRIND_FREE(ptr, rzsize); + } +} + +/* + * End malloc(3)-compatible functions. + */ +/******************************************************************************/ +/* + * Begin non-standard override functions. + */ + +#ifdef JEMALLOC_OVERRIDE_MEMALIGN +void * +je_memalign(size_t alignment, size_t size) +{ + void *ret JEMALLOC_CC_SILENCE_INIT(NULL); + imemalign(&ret, alignment, size, 1); + JEMALLOC_VALGRIND_MALLOC(ret != NULL, ret, size, false); + return (ret); +} +#endif + +#ifdef JEMALLOC_OVERRIDE_VALLOC +void * +je_valloc(size_t size) +{ + void *ret JEMALLOC_CC_SILENCE_INIT(NULL); + imemalign(&ret, PAGE, size, 1); + JEMALLOC_VALGRIND_MALLOC(ret != NULL, ret, size, false); + return (ret); +} +#endif + +/* + * is_malloc(je_malloc) is some macro magic to detect if jemalloc_defs.h has + * #define je_malloc malloc + */ +#define malloc_is_malloc 1 +#define is_malloc_(a) malloc_is_ ## a +#define is_malloc(a) is_malloc_(a) + +#if ((is_malloc(je_malloc) == 1) && defined(__GLIBC__) && !defined(__UCLIBC__)) +/* + * glibc provides the RTLD_DEEPBIND flag for dlopen which can make it possible + * to inconsistently reference libc's malloc(3)-compatible functions + * (https://bugzilla.mozilla.org/show_bug.cgi?id=493541). + * + * These definitions interpose hooks in glibc. The functions are actually + * passed an extra argument for the caller return address, which will be + * ignored. + */ +JEMALLOC_EXPORT void (* __free_hook)(void *ptr) = je_free; +JEMALLOC_EXPORT void *(* __malloc_hook)(size_t size) = je_malloc; +JEMALLOC_EXPORT void *(* __realloc_hook)(void *ptr, size_t size) = je_realloc; +JEMALLOC_EXPORT void *(* __memalign_hook)(size_t alignment, size_t size) = + je_memalign; +#endif + +/* + * End non-standard override functions. + */ +/******************************************************************************/ +/* + * Begin non-standard functions. + */ + +size_t +je_malloc_usable_size(JEMALLOC_USABLE_SIZE_CONST void *ptr) +{ + size_t ret; + + assert(malloc_initialized || IS_INITIALIZER); + + if (config_ivsalloc) + ret = ivsalloc(ptr, config_prof); + else + ret = (ptr != NULL) ? isalloc(ptr, config_prof) : 0; + + return (ret); +} + +void +je_malloc_stats_print(void (*write_cb)(void *, const char *), void *cbopaque, + const char *opts) +{ + + stats_print(write_cb, cbopaque, opts); +} + +int +je_mallctl(const char *name, void *oldp, size_t *oldlenp, void *newp, + size_t newlen) +{ + + if (malloc_init()) + return (EAGAIN); + + return (ctl_byname(name, oldp, oldlenp, newp, newlen)); +} + +int +je_mallctlnametomib(const char *name, size_t *mibp, size_t *miblenp) +{ + + if (malloc_init()) + return (EAGAIN); + + return (ctl_nametomib(name, mibp, miblenp)); +} + +int +je_mallctlbymib(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, + void *newp, size_t newlen) +{ + + if (malloc_init()) + return (EAGAIN); + + return (ctl_bymib(mib, miblen, oldp, oldlenp, newp, newlen)); +} + +/* + * End non-standard functions. + */ +/******************************************************************************/ +/* + * Begin experimental functions. + */ +#ifdef JEMALLOC_EXPERIMENTAL + +JEMALLOC_INLINE void * +iallocm(size_t usize, size_t alignment, bool zero, bool try_tcache, + arena_t *arena) +{ + + assert(usize == ((alignment == 0) ? s2u(usize) : sa2u(usize, + alignment))); + + if (alignment != 0) + return (ipallocx(usize, alignment, zero, try_tcache, arena)); + else if (zero) + return (icallocx(usize, try_tcache, arena)); + else + return (imallocx(usize, try_tcache, arena)); +} + +int +je_allocm(void **ptr, size_t *rsize, size_t size, int flags) +{ + void *p; + size_t usize; + size_t alignment = (ZU(1) << (flags & ALLOCM_LG_ALIGN_MASK) + & (SIZE_T_MAX-1)); + bool zero = flags & ALLOCM_ZERO; + unsigned arena_ind = ((unsigned)(flags >> 8)) - 1; + arena_t *arena; + bool try_tcache; + + assert(ptr != NULL); + assert(size != 0); + + if (malloc_init()) + goto label_oom; + + if (arena_ind != UINT_MAX) { + arena = arenas[arena_ind]; + try_tcache = false; + } else { + arena = NULL; + try_tcache = true; + } + + usize = (alignment == 0) ? s2u(size) : sa2u(size, alignment); + if (usize == 0) + goto label_oom; + + if (config_prof && opt_prof) { + prof_thr_cnt_t *cnt; + + PROF_ALLOC_PREP(1, usize, cnt); + if (cnt == NULL) + goto label_oom; + if (prof_promote && (uintptr_t)cnt != (uintptr_t)1U && usize <= + SMALL_MAXCLASS) { + size_t usize_promoted = (alignment == 0) ? + s2u(SMALL_MAXCLASS+1) : sa2u(SMALL_MAXCLASS+1, + alignment); + assert(usize_promoted != 0); + p = iallocm(usize_promoted, alignment, zero, + try_tcache, arena); + if (p == NULL) + goto label_oom; + arena_prof_promoted(p, usize); + } else { + p = iallocm(usize, alignment, zero, try_tcache, arena); + if (p == NULL) + goto label_oom; + } + prof_malloc(p, usize, cnt); + } else { + p = iallocm(usize, alignment, zero, try_tcache, arena); + if (p == NULL) + goto label_oom; + } + if (rsize != NULL) + *rsize = usize; + + *ptr = p; + if (config_stats) { + assert(usize == isalloc(p, config_prof)); + thread_allocated_tsd_get()->allocated += usize; + } + UTRACE(0, size, p); + JEMALLOC_VALGRIND_MALLOC(true, p, usize, zero); + return (ALLOCM_SUCCESS); +label_oom: + if (config_xmalloc && opt_xmalloc) { + malloc_write(": Error in allocm(): " + "out of memory\n"); + abort(); + } + *ptr = NULL; + UTRACE(0, size, 0); + return (ALLOCM_ERR_OOM); +} + +int +je_rallocm(void **ptr, size_t *rsize, size_t size, size_t extra, int flags) +{ + void *p, *q; + size_t usize; + size_t old_size; + size_t old_rzsize JEMALLOC_CC_SILENCE_INIT(0); + size_t alignment = (ZU(1) << (flags & ALLOCM_LG_ALIGN_MASK) + & (SIZE_T_MAX-1)); + bool zero = flags & ALLOCM_ZERO; + bool no_move = flags & ALLOCM_NO_MOVE; + unsigned arena_ind = ((unsigned)(flags >> 8)) - 1; + bool try_tcache_alloc, try_tcache_dalloc; + arena_t *arena; + + assert(ptr != NULL); + assert(*ptr != NULL); + assert(size != 0); + assert(SIZE_T_MAX - size >= extra); + assert(malloc_initialized || IS_INITIALIZER); + + if (arena_ind != UINT_MAX) { + arena_chunk_t *chunk; + try_tcache_alloc = true; + chunk = (arena_chunk_t *)CHUNK_ADDR2BASE(*ptr); + try_tcache_dalloc = (chunk == *ptr || chunk->arena != + arenas[arena_ind]); + arena = arenas[arena_ind]; + } else { + try_tcache_alloc = true; + try_tcache_dalloc = true; + arena = NULL; + } + + p = *ptr; + if (config_prof && opt_prof) { + prof_thr_cnt_t *cnt; + + /* + * usize isn't knowable before iralloc() returns when extra is + * non-zero. Therefore, compute its maximum possible value and + * use that in PROF_ALLOC_PREP() to decide whether to capture a + * backtrace. prof_realloc() will use the actual usize to + * decide whether to sample. + */ + size_t max_usize = (alignment == 0) ? s2u(size+extra) : + sa2u(size+extra, alignment); + prof_ctx_t *old_ctx = prof_ctx_get(p); + old_size = isalloc(p, true); + if (config_valgrind && opt_valgrind) + old_rzsize = p2rz(p); + PROF_ALLOC_PREP(1, max_usize, cnt); + if (cnt == NULL) + goto label_oom; + /* + * Use minimum usize to determine whether promotion may happen. + */ + if (prof_promote && (uintptr_t)cnt != (uintptr_t)1U + && ((alignment == 0) ? s2u(size) : sa2u(size, alignment)) + <= SMALL_MAXCLASS) { + q = irallocx(p, SMALL_MAXCLASS+1, (SMALL_MAXCLASS+1 >= + size+extra) ? 0 : size+extra - (SMALL_MAXCLASS+1), + alignment, zero, no_move, try_tcache_alloc, + try_tcache_dalloc, arena); + if (q == NULL) + goto label_err; + if (max_usize < PAGE) { + usize = max_usize; + arena_prof_promoted(q, usize); + } else + usize = isalloc(q, config_prof); + } else { + q = irallocx(p, size, extra, alignment, zero, no_move, + try_tcache_alloc, try_tcache_dalloc, arena); + if (q == NULL) + goto label_err; + usize = isalloc(q, config_prof); + } + prof_realloc(q, usize, cnt, old_size, old_ctx); + if (rsize != NULL) + *rsize = usize; + } else { + if (config_stats) { + old_size = isalloc(p, false); + if (config_valgrind && opt_valgrind) + old_rzsize = u2rz(old_size); + } else if (config_valgrind && opt_valgrind) { + old_size = isalloc(p, false); + old_rzsize = u2rz(old_size); + } + q = irallocx(p, size, extra, alignment, zero, no_move, + try_tcache_alloc, try_tcache_dalloc, arena); + if (q == NULL) + goto label_err; + if (config_stats) + usize = isalloc(q, config_prof); + if (rsize != NULL) { + if (config_stats == false) + usize = isalloc(q, config_prof); + *rsize = usize; + } + } + + *ptr = q; + if (config_stats) { + thread_allocated_t *ta; + ta = thread_allocated_tsd_get(); + ta->allocated += usize; + ta->deallocated += old_size; + } + UTRACE(p, size, q); + JEMALLOC_VALGRIND_REALLOC(q, usize, p, old_size, old_rzsize, zero); + return (ALLOCM_SUCCESS); +label_err: + if (no_move) { + UTRACE(p, size, q); + return (ALLOCM_ERR_NOT_MOVED); + } +label_oom: + if (config_xmalloc && opt_xmalloc) { + malloc_write(": Error in rallocm(): " + "out of memory\n"); + abort(); + } + UTRACE(p, size, 0); + return (ALLOCM_ERR_OOM); +} + +int +je_sallocm(const void *ptr, size_t *rsize, int flags) +{ + size_t sz; + + assert(malloc_initialized || IS_INITIALIZER); + + if (config_ivsalloc) + sz = ivsalloc(ptr, config_prof); + else { + assert(ptr != NULL); + sz = isalloc(ptr, config_prof); + } + assert(rsize != NULL); + *rsize = sz; + + return (ALLOCM_SUCCESS); +} + +int +je_dallocm(void *ptr, int flags) +{ + size_t usize; + size_t rzsize JEMALLOC_CC_SILENCE_INIT(0); + unsigned arena_ind = ((unsigned)(flags >> 8)) - 1; + bool try_tcache; + + assert(ptr != NULL); + assert(malloc_initialized || IS_INITIALIZER); + + if (arena_ind != UINT_MAX) { + arena_chunk_t *chunk = (arena_chunk_t *)CHUNK_ADDR2BASE(ptr); + try_tcache = (chunk == ptr || chunk->arena != + arenas[arena_ind]); + } else + try_tcache = true; + + UTRACE(ptr, 0, 0); + if (config_stats || config_valgrind) + usize = isalloc(ptr, config_prof); + if (config_prof && opt_prof) { + if (config_stats == false && config_valgrind == false) + usize = isalloc(ptr, config_prof); + prof_free(ptr, usize); + } + if (config_stats) + thread_allocated_tsd_get()->deallocated += usize; + if (config_valgrind && opt_valgrind) + rzsize = p2rz(ptr); + iqallocx(ptr, try_tcache); + JEMALLOC_VALGRIND_FREE(ptr, rzsize); + + return (ALLOCM_SUCCESS); +} + +int +je_nallocm(size_t *rsize, size_t size, int flags) +{ + size_t usize; + size_t alignment = (ZU(1) << (flags & ALLOCM_LG_ALIGN_MASK) + & (SIZE_T_MAX-1)); + + assert(size != 0); + + if (malloc_init()) + return (ALLOCM_ERR_OOM); + + usize = (alignment == 0) ? s2u(size) : sa2u(size, alignment); + if (usize == 0) + return (ALLOCM_ERR_OOM); + + if (rsize != NULL) + *rsize = usize; + return (ALLOCM_SUCCESS); +} + +#endif +/* + * End experimental functions. + */ +/******************************************************************************/ +/* + * The following functions are used by threading libraries for protection of + * malloc during fork(). + */ + +/* + * If an application creates a thread before doing any allocation in the main + * thread, then calls fork(2) in the main thread followed by memory allocation + * in the child process, a race can occur that results in deadlock within the + * child: the main thread may have forked while the created thread had + * partially initialized the allocator. Ordinarily jemalloc prevents + * fork/malloc races via the following functions it registers during + * initialization using pthread_atfork(), but of course that does no good if + * the allocator isn't fully initialized at fork time. The following library + * constructor is a partial solution to this problem. It may still possible to + * trigger the deadlock described above, but doing so would involve forking via + * a library constructor that runs before jemalloc's runs. + */ +JEMALLOC_ATTR(constructor) +static void +jemalloc_constructor(void) +{ + + malloc_init(); +} + +#ifndef JEMALLOC_MUTEX_INIT_CB +void +jemalloc_prefork(void) +#else +JEMALLOC_EXPORT void +_malloc_prefork(void) +#endif +{ + unsigned i; + +#ifdef JEMALLOC_MUTEX_INIT_CB + if (malloc_initialized == false) + return; +#endif + assert(malloc_initialized); + + /* Acquire all mutexes in a safe order. */ + ctl_prefork(); + malloc_mutex_prefork(&arenas_lock); + for (i = 0; i < narenas_total; i++) { + if (arenas[i] != NULL) + arena_prefork(arenas[i]); + } + prof_prefork(); + chunk_prefork(); + base_prefork(); + huge_prefork(); +} + +#ifndef JEMALLOC_MUTEX_INIT_CB +void +jemalloc_postfork_parent(void) +#else +JEMALLOC_EXPORT void +_malloc_postfork(void) +#endif +{ + unsigned i; + +#ifdef JEMALLOC_MUTEX_INIT_CB + if (malloc_initialized == false) + return; +#endif + assert(malloc_initialized); + + /* Release all mutexes, now that fork() has completed. */ + huge_postfork_parent(); + base_postfork_parent(); + chunk_postfork_parent(); + prof_postfork_parent(); + for (i = 0; i < narenas_total; i++) { + if (arenas[i] != NULL) + arena_postfork_parent(arenas[i]); + } + malloc_mutex_postfork_parent(&arenas_lock); + ctl_postfork_parent(); +} + +void +jemalloc_postfork_child(void) +{ + unsigned i; + + assert(malloc_initialized); + + /* Release all mutexes, now that fork() has completed. */ + huge_postfork_child(); + base_postfork_child(); + chunk_postfork_child(); + prof_postfork_child(); + for (i = 0; i < narenas_total; i++) { + if (arenas[i] != NULL) + arena_postfork_child(arenas[i]); + } + malloc_mutex_postfork_child(&arenas_lock); + ctl_postfork_child(); +} + +/******************************************************************************/ +/* + * The following functions are used for TLS allocation/deallocation in static + * binaries on FreeBSD. The primary difference between these and i[mcd]alloc() + * is that these avoid accessing TLS variables. + */ + +static void * +a0alloc(size_t size, bool zero) +{ + + if (malloc_init()) + return (NULL); + + if (size == 0) + size = 1; + + if (size <= arena_maxclass) + return (arena_malloc(arenas[0], size, zero, false)); + else + return (huge_malloc(size, zero)); +} + +void * +a0malloc(size_t size) +{ + + return (a0alloc(size, false)); +} + +void * +a0calloc(size_t num, size_t size) +{ + + return (a0alloc(num * size, true)); +} + +void +a0free(void *ptr) +{ + arena_chunk_t *chunk; + + if (ptr == NULL) + return; + + chunk = (arena_chunk_t *)CHUNK_ADDR2BASE(ptr); + if (chunk != ptr) + arena_dalloc(chunk->arena, chunk, ptr, false); + else + huge_dalloc(ptr, true); +} + +/******************************************************************************/ diff --git a/deps/jemalloc/src/mb.c b/deps/jemalloc/src/mb.c new file mode 100644 index 0000000..dc2c0a2 --- /dev/null +++ b/deps/jemalloc/src/mb.c @@ -0,0 +1,2 @@ +#define JEMALLOC_MB_C_ +#include "jemalloc/internal/jemalloc_internal.h" diff --git a/deps/jemalloc/src/mutex.c b/deps/jemalloc/src/mutex.c new file mode 100644 index 0000000..55e18c2 --- /dev/null +++ b/deps/jemalloc/src/mutex.c @@ -0,0 +1,149 @@ +#define JEMALLOC_MUTEX_C_ +#include "jemalloc/internal/jemalloc_internal.h" + +#if defined(JEMALLOC_LAZY_LOCK) && !defined(_WIN32) +#include +#endif + +#ifndef _CRT_SPINCOUNT +#define _CRT_SPINCOUNT 4000 +#endif + +/******************************************************************************/ +/* Data. */ + +#ifdef JEMALLOC_LAZY_LOCK +bool isthreaded = false; +#endif +#ifdef JEMALLOC_MUTEX_INIT_CB +static bool postpone_init = true; +static malloc_mutex_t *postponed_mutexes = NULL; +#endif + +#if defined(JEMALLOC_LAZY_LOCK) && !defined(_WIN32) +static void pthread_create_once(void); +#endif + +/******************************************************************************/ +/* + * We intercept pthread_create() calls in order to toggle isthreaded if the + * process goes multi-threaded. + */ + +#if defined(JEMALLOC_LAZY_LOCK) && !defined(_WIN32) +static int (*pthread_create_fptr)(pthread_t *__restrict, const pthread_attr_t *, + void *(*)(void *), void *__restrict); + +static void +pthread_create_once(void) +{ + + pthread_create_fptr = dlsym(RTLD_NEXT, "pthread_create"); + if (pthread_create_fptr == NULL) { + malloc_write(": Error in dlsym(RTLD_NEXT, " + "\"pthread_create\")\n"); + abort(); + } + + isthreaded = true; +} + +JEMALLOC_EXPORT int +pthread_create(pthread_t *__restrict thread, + const pthread_attr_t *__restrict attr, void *(*start_routine)(void *), + void *__restrict arg) +{ + static pthread_once_t once_control = PTHREAD_ONCE_INIT; + + pthread_once(&once_control, pthread_create_once); + + return (pthread_create_fptr(thread, attr, start_routine, arg)); +} +#endif + +/******************************************************************************/ + +#ifdef JEMALLOC_MUTEX_INIT_CB +JEMALLOC_EXPORT int _pthread_mutex_init_calloc_cb(pthread_mutex_t *mutex, + void *(calloc_cb)(size_t, size_t)); +#endif + +bool +malloc_mutex_init(malloc_mutex_t *mutex) +{ + +#ifdef _WIN32 + if (!InitializeCriticalSectionAndSpinCount(&mutex->lock, + _CRT_SPINCOUNT)) + return (true); +#elif (defined(JEMALLOC_OSSPIN)) + mutex->lock = 0; +#elif (defined(JEMALLOC_MUTEX_INIT_CB)) + if (postpone_init) { + mutex->postponed_next = postponed_mutexes; + postponed_mutexes = mutex; + } else { + if (_pthread_mutex_init_calloc_cb(&mutex->lock, base_calloc) != + 0) + return (true); + } +#else + pthread_mutexattr_t attr; + + if (pthread_mutexattr_init(&attr) != 0) + return (true); + pthread_mutexattr_settype(&attr, MALLOC_MUTEX_TYPE); + if (pthread_mutex_init(&mutex->lock, &attr) != 0) { + pthread_mutexattr_destroy(&attr); + return (true); + } + pthread_mutexattr_destroy(&attr); +#endif + return (false); +} + +void +malloc_mutex_prefork(malloc_mutex_t *mutex) +{ + + malloc_mutex_lock(mutex); +} + +void +malloc_mutex_postfork_parent(malloc_mutex_t *mutex) +{ + + malloc_mutex_unlock(mutex); +} + +void +malloc_mutex_postfork_child(malloc_mutex_t *mutex) +{ + +#ifdef JEMALLOC_MUTEX_INIT_CB + malloc_mutex_unlock(mutex); +#else + if (malloc_mutex_init(mutex)) { + malloc_printf(": Error re-initializing mutex in " + "child\n"); + if (opt_abort) + abort(); + } +#endif +} + +bool +mutex_boot(void) +{ + +#ifdef JEMALLOC_MUTEX_INIT_CB + postpone_init = false; + while (postponed_mutexes != NULL) { + if (_pthread_mutex_init_calloc_cb(&postponed_mutexes->lock, + base_calloc) != 0) + return (true); + postponed_mutexes = postponed_mutexes->postponed_next; + } +#endif + return (false); +} diff --git a/deps/jemalloc/src/prof.c b/deps/jemalloc/src/prof.c new file mode 100644 index 0000000..04964ef --- /dev/null +++ b/deps/jemalloc/src/prof.c @@ -0,0 +1,1315 @@ +#define JEMALLOC_PROF_C_ +#include "jemalloc/internal/jemalloc_internal.h" +/******************************************************************************/ + +#ifdef JEMALLOC_PROF_LIBUNWIND +#define UNW_LOCAL_ONLY +#include +#endif + +#ifdef JEMALLOC_PROF_LIBGCC +#include +#endif + +/******************************************************************************/ +/* Data. */ + +malloc_tsd_data(, prof_tdata, prof_tdata_t *, NULL) + +bool opt_prof = false; +bool opt_prof_active = true; +size_t opt_lg_prof_sample = LG_PROF_SAMPLE_DEFAULT; +ssize_t opt_lg_prof_interval = LG_PROF_INTERVAL_DEFAULT; +bool opt_prof_gdump = false; +bool opt_prof_final = true; +bool opt_prof_leak = false; +bool opt_prof_accum = false; +char opt_prof_prefix[PATH_MAX + 1]; + +uint64_t prof_interval; +bool prof_promote; + +/* + * Table of mutexes that are shared among ctx's. These are leaf locks, so + * there is no problem with using them for more than one ctx at the same time. + * The primary motivation for this sharing though is that ctx's are ephemeral, + * and destroying mutexes causes complications for systems that allocate when + * creating/destroying mutexes. + */ +static malloc_mutex_t *ctx_locks; +static unsigned cum_ctxs; /* Atomic counter. */ + +/* + * Global hash of (prof_bt_t *)-->(prof_ctx_t *). This is the master data + * structure that knows about all backtraces currently captured. + */ +static ckh_t bt2ctx; +static malloc_mutex_t bt2ctx_mtx; + +static malloc_mutex_t prof_dump_seq_mtx; +static uint64_t prof_dump_seq; +static uint64_t prof_dump_iseq; +static uint64_t prof_dump_mseq; +static uint64_t prof_dump_useq; + +/* + * This buffer is rather large for stack allocation, so use a single buffer for + * all profile dumps. The buffer is implicitly protected by bt2ctx_mtx, since + * it must be locked anyway during dumping. + */ +static char prof_dump_buf[PROF_DUMP_BUFSIZE]; +static unsigned prof_dump_buf_end; +static int prof_dump_fd; + +/* Do not dump any profiles until bootstrapping is complete. */ +static bool prof_booted = false; + +/******************************************************************************/ +/* Function prototypes for non-inline static functions. */ + +static prof_bt_t *bt_dup(prof_bt_t *bt); +static void bt_destroy(prof_bt_t *bt); +#ifdef JEMALLOC_PROF_LIBGCC +static _Unwind_Reason_Code prof_unwind_init_callback( + struct _Unwind_Context *context, void *arg); +static _Unwind_Reason_Code prof_unwind_callback( + struct _Unwind_Context *context, void *arg); +#endif +static bool prof_flush(bool propagate_err); +static bool prof_write(bool propagate_err, const char *s); +static bool prof_printf(bool propagate_err, const char *format, ...) + JEMALLOC_ATTR(format(printf, 2, 3)); +static void prof_ctx_sum(prof_ctx_t *ctx, prof_cnt_t *cnt_all, + size_t *leak_nctx); +static void prof_ctx_destroy(prof_ctx_t *ctx); +static void prof_ctx_merge(prof_ctx_t *ctx, prof_thr_cnt_t *cnt); +static bool prof_dump_ctx(bool propagate_err, prof_ctx_t *ctx, + prof_bt_t *bt); +static bool prof_dump_maps(bool propagate_err); +static bool prof_dump(bool propagate_err, const char *filename, + bool leakcheck); +static void prof_dump_filename(char *filename, char v, int64_t vseq); +static void prof_fdump(void); +static void prof_bt_hash(const void *key, unsigned minbits, size_t *hash1, + size_t *hash2); +static bool prof_bt_keycomp(const void *k1, const void *k2); +static malloc_mutex_t *prof_ctx_mutex_choose(void); + +/******************************************************************************/ + +void +bt_init(prof_bt_t *bt, void **vec) +{ + + cassert(config_prof); + + bt->vec = vec; + bt->len = 0; +} + +static void +bt_destroy(prof_bt_t *bt) +{ + + cassert(config_prof); + + idalloc(bt); +} + +static prof_bt_t * +bt_dup(prof_bt_t *bt) +{ + prof_bt_t *ret; + + cassert(config_prof); + + /* + * Create a single allocation that has space for vec immediately + * following the prof_bt_t structure. The backtraces that get + * stored in the backtrace caches are copied from stack-allocated + * temporary variables, so size is known at creation time. Making this + * a contiguous object improves cache locality. + */ + ret = (prof_bt_t *)imalloc(QUANTUM_CEILING(sizeof(prof_bt_t)) + + (bt->len * sizeof(void *))); + if (ret == NULL) + return (NULL); + ret->vec = (void **)((uintptr_t)ret + + QUANTUM_CEILING(sizeof(prof_bt_t))); + memcpy(ret->vec, bt->vec, bt->len * sizeof(void *)); + ret->len = bt->len; + + return (ret); +} + +static inline void +prof_enter(prof_tdata_t *prof_tdata) +{ + + cassert(config_prof); + + assert(prof_tdata->enq == false); + prof_tdata->enq = true; + + malloc_mutex_lock(&bt2ctx_mtx); +} + +static inline void +prof_leave(prof_tdata_t *prof_tdata) +{ + bool idump, gdump; + + cassert(config_prof); + + malloc_mutex_unlock(&bt2ctx_mtx); + + assert(prof_tdata->enq); + prof_tdata->enq = false; + idump = prof_tdata->enq_idump; + prof_tdata->enq_idump = false; + gdump = prof_tdata->enq_gdump; + prof_tdata->enq_gdump = false; + + if (idump) + prof_idump(); + if (gdump) + prof_gdump(); +} + +#ifdef JEMALLOC_PROF_LIBUNWIND +void +prof_backtrace(prof_bt_t *bt, unsigned nignore) +{ + unw_context_t uc; + unw_cursor_t cursor; + unsigned i; + int err; + + cassert(config_prof); + assert(bt->len == 0); + assert(bt->vec != NULL); + + unw_getcontext(&uc); + unw_init_local(&cursor, &uc); + + /* Throw away (nignore+1) stack frames, if that many exist. */ + for (i = 0; i < nignore + 1; i++) { + err = unw_step(&cursor); + if (err <= 0) + return; + } + + /* + * Iterate over stack frames until there are no more, or until no space + * remains in bt. + */ + for (i = 0; i < PROF_BT_MAX; i++) { + unw_get_reg(&cursor, UNW_REG_IP, (unw_word_t *)&bt->vec[i]); + bt->len++; + err = unw_step(&cursor); + if (err <= 0) + break; + } +} +#elif (defined(JEMALLOC_PROF_LIBGCC)) +static _Unwind_Reason_Code +prof_unwind_init_callback(struct _Unwind_Context *context, void *arg) +{ + + cassert(config_prof); + + return (_URC_NO_REASON); +} + +static _Unwind_Reason_Code +prof_unwind_callback(struct _Unwind_Context *context, void *arg) +{ + prof_unwind_data_t *data = (prof_unwind_data_t *)arg; + + cassert(config_prof); + + if (data->nignore > 0) + data->nignore--; + else { + data->bt->vec[data->bt->len] = (void *)_Unwind_GetIP(context); + data->bt->len++; + if (data->bt->len == data->max) + return (_URC_END_OF_STACK); + } + + return (_URC_NO_REASON); +} + +void +prof_backtrace(prof_bt_t *bt, unsigned nignore) +{ + prof_unwind_data_t data = {bt, nignore, PROF_BT_MAX}; + + cassert(config_prof); + + _Unwind_Backtrace(prof_unwind_callback, &data); +} +#elif (defined(JEMALLOC_PROF_GCC)) +void +prof_backtrace(prof_bt_t *bt, unsigned nignore) +{ +#define BT_FRAME(i) \ + if ((i) < nignore + PROF_BT_MAX) { \ + void *p; \ + if (__builtin_frame_address(i) == 0) \ + return; \ + p = __builtin_return_address(i); \ + if (p == NULL) \ + return; \ + if (i >= nignore) { \ + bt->vec[(i) - nignore] = p; \ + bt->len = (i) - nignore + 1; \ + } \ + } else \ + return; + + cassert(config_prof); + assert(nignore <= 3); + + BT_FRAME(0) + BT_FRAME(1) + BT_FRAME(2) + BT_FRAME(3) + BT_FRAME(4) + BT_FRAME(5) + BT_FRAME(6) + BT_FRAME(7) + BT_FRAME(8) + BT_FRAME(9) + + BT_FRAME(10) + BT_FRAME(11) + BT_FRAME(12) + BT_FRAME(13) + BT_FRAME(14) + BT_FRAME(15) + BT_FRAME(16) + BT_FRAME(17) + BT_FRAME(18) + BT_FRAME(19) + + BT_FRAME(20) + BT_FRAME(21) + BT_FRAME(22) + BT_FRAME(23) + BT_FRAME(24) + BT_FRAME(25) + BT_FRAME(26) + BT_FRAME(27) + BT_FRAME(28) + BT_FRAME(29) + + BT_FRAME(30) + BT_FRAME(31) + BT_FRAME(32) + BT_FRAME(33) + BT_FRAME(34) + BT_FRAME(35) + BT_FRAME(36) + BT_FRAME(37) + BT_FRAME(38) + BT_FRAME(39) + + BT_FRAME(40) + BT_FRAME(41) + BT_FRAME(42) + BT_FRAME(43) + BT_FRAME(44) + BT_FRAME(45) + BT_FRAME(46) + BT_FRAME(47) + BT_FRAME(48) + BT_FRAME(49) + + BT_FRAME(50) + BT_FRAME(51) + BT_FRAME(52) + BT_FRAME(53) + BT_FRAME(54) + BT_FRAME(55) + BT_FRAME(56) + BT_FRAME(57) + BT_FRAME(58) + BT_FRAME(59) + + BT_FRAME(60) + BT_FRAME(61) + BT_FRAME(62) + BT_FRAME(63) + BT_FRAME(64) + BT_FRAME(65) + BT_FRAME(66) + BT_FRAME(67) + BT_FRAME(68) + BT_FRAME(69) + + BT_FRAME(70) + BT_FRAME(71) + BT_FRAME(72) + BT_FRAME(73) + BT_FRAME(74) + BT_FRAME(75) + BT_FRAME(76) + BT_FRAME(77) + BT_FRAME(78) + BT_FRAME(79) + + BT_FRAME(80) + BT_FRAME(81) + BT_FRAME(82) + BT_FRAME(83) + BT_FRAME(84) + BT_FRAME(85) + BT_FRAME(86) + BT_FRAME(87) + BT_FRAME(88) + BT_FRAME(89) + + BT_FRAME(90) + BT_FRAME(91) + BT_FRAME(92) + BT_FRAME(93) + BT_FRAME(94) + BT_FRAME(95) + BT_FRAME(96) + BT_FRAME(97) + BT_FRAME(98) + BT_FRAME(99) + + BT_FRAME(100) + BT_FRAME(101) + BT_FRAME(102) + BT_FRAME(103) + BT_FRAME(104) + BT_FRAME(105) + BT_FRAME(106) + BT_FRAME(107) + BT_FRAME(108) + BT_FRAME(109) + + BT_FRAME(110) + BT_FRAME(111) + BT_FRAME(112) + BT_FRAME(113) + BT_FRAME(114) + BT_FRAME(115) + BT_FRAME(116) + BT_FRAME(117) + BT_FRAME(118) + BT_FRAME(119) + + BT_FRAME(120) + BT_FRAME(121) + BT_FRAME(122) + BT_FRAME(123) + BT_FRAME(124) + BT_FRAME(125) + BT_FRAME(126) + BT_FRAME(127) + + /* Extras to compensate for nignore. */ + BT_FRAME(128) + BT_FRAME(129) + BT_FRAME(130) +#undef BT_FRAME +} +#else +void +prof_backtrace(prof_bt_t *bt, unsigned nignore) +{ + + cassert(config_prof); + assert(false); +} +#endif + +prof_thr_cnt_t * +prof_lookup(prof_bt_t *bt) +{ + union { + prof_thr_cnt_t *p; + void *v; + } ret; + prof_tdata_t *prof_tdata; + + cassert(config_prof); + + prof_tdata = prof_tdata_get(); + if ((uintptr_t)prof_tdata <= (uintptr_t)PROF_TDATA_STATE_MAX) + return (NULL); + + if (ckh_search(&prof_tdata->bt2cnt, bt, NULL, &ret.v)) { + union { + prof_bt_t *p; + void *v; + } btkey; + union { + prof_ctx_t *p; + void *v; + } ctx; + bool new_ctx; + + /* + * This thread's cache lacks bt. Look for it in the global + * cache. + */ + prof_enter(prof_tdata); + if (ckh_search(&bt2ctx, bt, &btkey.v, &ctx.v)) { + /* bt has never been seen before. Insert it. */ + ctx.v = imalloc(sizeof(prof_ctx_t)); + if (ctx.v == NULL) { + prof_leave(prof_tdata); + return (NULL); + } + btkey.p = bt_dup(bt); + if (btkey.v == NULL) { + prof_leave(prof_tdata); + idalloc(ctx.v); + return (NULL); + } + ctx.p->bt = btkey.p; + ctx.p->lock = prof_ctx_mutex_choose(); + /* + * Set nlimbo to 1, in order to avoid a race condition + * with prof_ctx_merge()/prof_ctx_destroy(). + */ + ctx.p->nlimbo = 1; + memset(&ctx.p->cnt_merged, 0, sizeof(prof_cnt_t)); + ql_new(&ctx.p->cnts_ql); + if (ckh_insert(&bt2ctx, btkey.v, ctx.v)) { + /* OOM. */ + prof_leave(prof_tdata); + idalloc(btkey.v); + idalloc(ctx.v); + return (NULL); + } + new_ctx = true; + } else { + /* + * Increment nlimbo, in order to avoid a race condition + * with prof_ctx_merge()/prof_ctx_destroy(). + */ + malloc_mutex_lock(ctx.p->lock); + ctx.p->nlimbo++; + malloc_mutex_unlock(ctx.p->lock); + new_ctx = false; + } + prof_leave(prof_tdata); + + /* Link a prof_thd_cnt_t into ctx for this thread. */ + if (ckh_count(&prof_tdata->bt2cnt) == PROF_TCMAX) { + assert(ckh_count(&prof_tdata->bt2cnt) > 0); + /* + * Flush the least recently used cnt in order to keep + * bt2cnt from becoming too large. + */ + ret.p = ql_last(&prof_tdata->lru_ql, lru_link); + assert(ret.v != NULL); + if (ckh_remove(&prof_tdata->bt2cnt, ret.p->ctx->bt, + NULL, NULL)) + assert(false); + ql_remove(&prof_tdata->lru_ql, ret.p, lru_link); + prof_ctx_merge(ret.p->ctx, ret.p); + /* ret can now be re-used. */ + } else { + assert(ckh_count(&prof_tdata->bt2cnt) < PROF_TCMAX); + /* Allocate and partially initialize a new cnt. */ + ret.v = imalloc(sizeof(prof_thr_cnt_t)); + if (ret.p == NULL) { + if (new_ctx) + prof_ctx_destroy(ctx.p); + return (NULL); + } + ql_elm_new(ret.p, cnts_link); + ql_elm_new(ret.p, lru_link); + } + /* Finish initializing ret. */ + ret.p->ctx = ctx.p; + ret.p->epoch = 0; + memset(&ret.p->cnts, 0, sizeof(prof_cnt_t)); + if (ckh_insert(&prof_tdata->bt2cnt, btkey.v, ret.v)) { + if (new_ctx) + prof_ctx_destroy(ctx.p); + idalloc(ret.v); + return (NULL); + } + ql_head_insert(&prof_tdata->lru_ql, ret.p, lru_link); + malloc_mutex_lock(ctx.p->lock); + ql_tail_insert(&ctx.p->cnts_ql, ret.p, cnts_link); + ctx.p->nlimbo--; + malloc_mutex_unlock(ctx.p->lock); + } else { + /* Move ret to the front of the LRU. */ + ql_remove(&prof_tdata->lru_ql, ret.p, lru_link); + ql_head_insert(&prof_tdata->lru_ql, ret.p, lru_link); + } + + return (ret.p); +} + +static bool +prof_flush(bool propagate_err) +{ + bool ret = false; + ssize_t err; + + cassert(config_prof); + + err = write(prof_dump_fd, prof_dump_buf, prof_dump_buf_end); + if (err == -1) { + if (propagate_err == false) { + malloc_write(": write() failed during heap " + "profile flush\n"); + if (opt_abort) + abort(); + } + ret = true; + } + prof_dump_buf_end = 0; + + return (ret); +} + +static bool +prof_write(bool propagate_err, const char *s) +{ + unsigned i, slen, n; + + cassert(config_prof); + + i = 0; + slen = strlen(s); + while (i < slen) { + /* Flush the buffer if it is full. */ + if (prof_dump_buf_end == PROF_DUMP_BUFSIZE) + if (prof_flush(propagate_err) && propagate_err) + return (true); + + if (prof_dump_buf_end + slen <= PROF_DUMP_BUFSIZE) { + /* Finish writing. */ + n = slen - i; + } else { + /* Write as much of s as will fit. */ + n = PROF_DUMP_BUFSIZE - prof_dump_buf_end; + } + memcpy(&prof_dump_buf[prof_dump_buf_end], &s[i], n); + prof_dump_buf_end += n; + i += n; + } + + return (false); +} + +JEMALLOC_ATTR(format(printf, 2, 3)) +static bool +prof_printf(bool propagate_err, const char *format, ...) +{ + bool ret; + va_list ap; + char buf[PROF_PRINTF_BUFSIZE]; + + va_start(ap, format); + malloc_vsnprintf(buf, sizeof(buf), format, ap); + va_end(ap); + ret = prof_write(propagate_err, buf); + + return (ret); +} + +static void +prof_ctx_sum(prof_ctx_t *ctx, prof_cnt_t *cnt_all, size_t *leak_nctx) +{ + prof_thr_cnt_t *thr_cnt; + prof_cnt_t tcnt; + + cassert(config_prof); + + malloc_mutex_lock(ctx->lock); + + memcpy(&ctx->cnt_summed, &ctx->cnt_merged, sizeof(prof_cnt_t)); + ql_foreach(thr_cnt, &ctx->cnts_ql, cnts_link) { + volatile unsigned *epoch = &thr_cnt->epoch; + + while (true) { + unsigned epoch0 = *epoch; + + /* Make sure epoch is even. */ + if (epoch0 & 1U) + continue; + + memcpy(&tcnt, &thr_cnt->cnts, sizeof(prof_cnt_t)); + + /* Terminate if epoch didn't change while reading. */ + if (*epoch == epoch0) + break; + } + + ctx->cnt_summed.curobjs += tcnt.curobjs; + ctx->cnt_summed.curbytes += tcnt.curbytes; + if (opt_prof_accum) { + ctx->cnt_summed.accumobjs += tcnt.accumobjs; + ctx->cnt_summed.accumbytes += tcnt.accumbytes; + } + } + + if (ctx->cnt_summed.curobjs != 0) + (*leak_nctx)++; + + /* Add to cnt_all. */ + cnt_all->curobjs += ctx->cnt_summed.curobjs; + cnt_all->curbytes += ctx->cnt_summed.curbytes; + if (opt_prof_accum) { + cnt_all->accumobjs += ctx->cnt_summed.accumobjs; + cnt_all->accumbytes += ctx->cnt_summed.accumbytes; + } + + malloc_mutex_unlock(ctx->lock); +} + +static void +prof_ctx_destroy(prof_ctx_t *ctx) +{ + prof_tdata_t *prof_tdata; + + cassert(config_prof); + + /* + * Check that ctx is still unused by any thread cache before destroying + * it. prof_lookup() increments ctx->nlimbo in order to avoid a race + * condition with this function, as does prof_ctx_merge() in order to + * avoid a race between the main body of prof_ctx_merge() and entry + * into this function. + */ + prof_tdata = *prof_tdata_tsd_get(); + assert((uintptr_t)prof_tdata > (uintptr_t)PROF_TDATA_STATE_MAX); + prof_enter(prof_tdata); + malloc_mutex_lock(ctx->lock); + if (ql_first(&ctx->cnts_ql) == NULL && ctx->cnt_merged.curobjs == 0 && + ctx->nlimbo == 1) { + assert(ctx->cnt_merged.curbytes == 0); + assert(ctx->cnt_merged.accumobjs == 0); + assert(ctx->cnt_merged.accumbytes == 0); + /* Remove ctx from bt2ctx. */ + if (ckh_remove(&bt2ctx, ctx->bt, NULL, NULL)) + assert(false); + prof_leave(prof_tdata); + /* Destroy ctx. */ + malloc_mutex_unlock(ctx->lock); + bt_destroy(ctx->bt); + idalloc(ctx); + } else { + /* + * Compensate for increment in prof_ctx_merge() or + * prof_lookup(). + */ + ctx->nlimbo--; + malloc_mutex_unlock(ctx->lock); + prof_leave(prof_tdata); + } +} + +static void +prof_ctx_merge(prof_ctx_t *ctx, prof_thr_cnt_t *cnt) +{ + bool destroy; + + cassert(config_prof); + + /* Merge cnt stats and detach from ctx. */ + malloc_mutex_lock(ctx->lock); + ctx->cnt_merged.curobjs += cnt->cnts.curobjs; + ctx->cnt_merged.curbytes += cnt->cnts.curbytes; + ctx->cnt_merged.accumobjs += cnt->cnts.accumobjs; + ctx->cnt_merged.accumbytes += cnt->cnts.accumbytes; + ql_remove(&ctx->cnts_ql, cnt, cnts_link); + if (opt_prof_accum == false && ql_first(&ctx->cnts_ql) == NULL && + ctx->cnt_merged.curobjs == 0 && ctx->nlimbo == 0) { + /* + * Increment ctx->nlimbo in order to keep another thread from + * winning the race to destroy ctx while this one has ctx->lock + * dropped. Without this, it would be possible for another + * thread to: + * + * 1) Sample an allocation associated with ctx. + * 2) Deallocate the sampled object. + * 3) Successfully prof_ctx_destroy(ctx). + * + * The result would be that ctx no longer exists by the time + * this thread accesses it in prof_ctx_destroy(). + */ + ctx->nlimbo++; + destroy = true; + } else + destroy = false; + malloc_mutex_unlock(ctx->lock); + if (destroy) + prof_ctx_destroy(ctx); +} + +static bool +prof_dump_ctx(bool propagate_err, prof_ctx_t *ctx, prof_bt_t *bt) +{ + unsigned i; + + cassert(config_prof); + + /* + * Current statistics can sum to 0 as a result of unmerged per thread + * statistics. Additionally, interval- and growth-triggered dumps can + * occur between the time a ctx is created and when its statistics are + * filled in. Avoid dumping any ctx that is an artifact of either + * implementation detail. + */ + if ((opt_prof_accum == false && ctx->cnt_summed.curobjs == 0) || + (opt_prof_accum && ctx->cnt_summed.accumobjs == 0)) { + assert(ctx->cnt_summed.curobjs == 0); + assert(ctx->cnt_summed.curbytes == 0); + assert(ctx->cnt_summed.accumobjs == 0); + assert(ctx->cnt_summed.accumbytes == 0); + return (false); + } + + if (prof_printf(propagate_err, "%"PRId64": %"PRId64 + " [%"PRIu64": %"PRIu64"] @", + ctx->cnt_summed.curobjs, ctx->cnt_summed.curbytes, + ctx->cnt_summed.accumobjs, ctx->cnt_summed.accumbytes)) + return (true); + + for (i = 0; i < bt->len; i++) { + if (prof_printf(propagate_err, " %#"PRIxPTR, + (uintptr_t)bt->vec[i])) + return (true); + } + + if (prof_write(propagate_err, "\n")) + return (true); + + return (false); +} + +static bool +prof_dump_maps(bool propagate_err) +{ + int mfd; + char filename[PATH_MAX + 1]; + + cassert(config_prof); + + malloc_snprintf(filename, sizeof(filename), "/proc/%d/maps", + (int)getpid()); + mfd = open(filename, O_RDONLY); + if (mfd != -1) { + ssize_t nread; + + if (prof_write(propagate_err, "\nMAPPED_LIBRARIES:\n") && + propagate_err) + return (true); + nread = 0; + do { + prof_dump_buf_end += nread; + if (prof_dump_buf_end == PROF_DUMP_BUFSIZE) { + /* Make space in prof_dump_buf before read(). */ + if (prof_flush(propagate_err) && propagate_err) + return (true); + } + nread = read(mfd, &prof_dump_buf[prof_dump_buf_end], + PROF_DUMP_BUFSIZE - prof_dump_buf_end); + } while (nread > 0); + close(mfd); + } else + return (true); + + return (false); +} + +static bool +prof_dump(bool propagate_err, const char *filename, bool leakcheck) +{ + prof_tdata_t *prof_tdata; + prof_cnt_t cnt_all; + size_t tabind; + union { + prof_bt_t *p; + void *v; + } bt; + union { + prof_ctx_t *p; + void *v; + } ctx; + size_t leak_nctx; + + cassert(config_prof); + + prof_tdata = prof_tdata_get(); + if ((uintptr_t)prof_tdata <= (uintptr_t)PROF_TDATA_STATE_MAX) + return (true); + prof_enter(prof_tdata); + prof_dump_fd = creat(filename, 0644); + if (prof_dump_fd == -1) { + if (propagate_err == false) { + malloc_printf( + ": creat(\"%s\"), 0644) failed\n", + filename); + if (opt_abort) + abort(); + } + goto label_error; + } + + /* Merge per thread profile stats, and sum them in cnt_all. */ + memset(&cnt_all, 0, sizeof(prof_cnt_t)); + leak_nctx = 0; + for (tabind = 0; ckh_iter(&bt2ctx, &tabind, NULL, &ctx.v) == false;) + prof_ctx_sum(ctx.p, &cnt_all, &leak_nctx); + + /* Dump profile header. */ + if (opt_lg_prof_sample == 0) { + if (prof_printf(propagate_err, + "heap profile: %"PRId64": %"PRId64 + " [%"PRIu64": %"PRIu64"] @ heapprofile\n", + cnt_all.curobjs, cnt_all.curbytes, + cnt_all.accumobjs, cnt_all.accumbytes)) + goto label_error; + } else { + if (prof_printf(propagate_err, + "heap profile: %"PRId64": %"PRId64 + " [%"PRIu64": %"PRIu64"] @ heap_v2/%"PRIu64"\n", + cnt_all.curobjs, cnt_all.curbytes, + cnt_all.accumobjs, cnt_all.accumbytes, + ((uint64_t)1U << opt_lg_prof_sample))) + goto label_error; + } + + /* Dump per ctx profile stats. */ + for (tabind = 0; ckh_iter(&bt2ctx, &tabind, &bt.v, &ctx.v) + == false;) { + if (prof_dump_ctx(propagate_err, ctx.p, bt.p)) + goto label_error; + } + + /* Dump /proc//maps if possible. */ + if (prof_dump_maps(propagate_err)) + goto label_error; + + if (prof_flush(propagate_err)) + goto label_error; + close(prof_dump_fd); + prof_leave(prof_tdata); + + if (leakcheck && cnt_all.curbytes != 0) { + malloc_printf(": Leak summary: %"PRId64" byte%s, %" + PRId64" object%s, %zu context%s\n", + cnt_all.curbytes, (cnt_all.curbytes != 1) ? "s" : "", + cnt_all.curobjs, (cnt_all.curobjs != 1) ? "s" : "", + leak_nctx, (leak_nctx != 1) ? "s" : ""); + malloc_printf( + ": Run pprof on \"%s\" for leak detail\n", + filename); + } + + return (false); +label_error: + prof_leave(prof_tdata); + return (true); +} + +#define DUMP_FILENAME_BUFSIZE (PATH_MAX + 1) +static void +prof_dump_filename(char *filename, char v, int64_t vseq) +{ + + cassert(config_prof); + + if (vseq != UINT64_C(0xffffffffffffffff)) { + /* "...v.heap" */ + malloc_snprintf(filename, DUMP_FILENAME_BUFSIZE, + "%s.%d.%"PRIu64".%c%"PRId64".heap", + opt_prof_prefix, (int)getpid(), prof_dump_seq, v, vseq); + } else { + /* "....heap" */ + malloc_snprintf(filename, DUMP_FILENAME_BUFSIZE, + "%s.%d.%"PRIu64".%c.heap", + opt_prof_prefix, (int)getpid(), prof_dump_seq, v); + } + prof_dump_seq++; +} + +static void +prof_fdump(void) +{ + char filename[DUMP_FILENAME_BUFSIZE]; + + cassert(config_prof); + + if (prof_booted == false) + return; + + if (opt_prof_final && opt_prof_prefix[0] != '\0') { + malloc_mutex_lock(&prof_dump_seq_mtx); + prof_dump_filename(filename, 'f', UINT64_C(0xffffffffffffffff)); + malloc_mutex_unlock(&prof_dump_seq_mtx); + prof_dump(false, filename, opt_prof_leak); + } +} + +void +prof_idump(void) +{ + prof_tdata_t *prof_tdata; + char filename[PATH_MAX + 1]; + + cassert(config_prof); + + if (prof_booted == false) + return; + /* + * Don't call prof_tdata_get() here, because it could cause recursive + * allocation. + */ + prof_tdata = *prof_tdata_tsd_get(); + if ((uintptr_t)prof_tdata <= (uintptr_t)PROF_TDATA_STATE_MAX) + return; + if (prof_tdata->enq) { + prof_tdata->enq_idump = true; + return; + } + + if (opt_prof_prefix[0] != '\0') { + malloc_mutex_lock(&prof_dump_seq_mtx); + prof_dump_filename(filename, 'i', prof_dump_iseq); + prof_dump_iseq++; + malloc_mutex_unlock(&prof_dump_seq_mtx); + prof_dump(false, filename, false); + } +} + +bool +prof_mdump(const char *filename) +{ + char filename_buf[DUMP_FILENAME_BUFSIZE]; + + cassert(config_prof); + + if (opt_prof == false || prof_booted == false) + return (true); + + if (filename == NULL) { + /* No filename specified, so automatically generate one. */ + if (opt_prof_prefix[0] == '\0') + return (true); + malloc_mutex_lock(&prof_dump_seq_mtx); + prof_dump_filename(filename_buf, 'm', prof_dump_mseq); + prof_dump_mseq++; + malloc_mutex_unlock(&prof_dump_seq_mtx); + filename = filename_buf; + } + return (prof_dump(true, filename, false)); +} + +void +prof_gdump(void) +{ + prof_tdata_t *prof_tdata; + char filename[DUMP_FILENAME_BUFSIZE]; + + cassert(config_prof); + + if (prof_booted == false) + return; + /* + * Don't call prof_tdata_get() here, because it could cause recursive + * allocation. + */ + prof_tdata = *prof_tdata_tsd_get(); + if ((uintptr_t)prof_tdata <= (uintptr_t)PROF_TDATA_STATE_MAX) + return; + if (prof_tdata->enq) { + prof_tdata->enq_gdump = true; + return; + } + + if (opt_prof_prefix[0] != '\0') { + malloc_mutex_lock(&prof_dump_seq_mtx); + prof_dump_filename(filename, 'u', prof_dump_useq); + prof_dump_useq++; + malloc_mutex_unlock(&prof_dump_seq_mtx); + prof_dump(false, filename, false); + } +} + +static void +prof_bt_hash(const void *key, unsigned minbits, size_t *hash1, size_t *hash2) +{ + size_t ret1, ret2; + uint64_t h; + prof_bt_t *bt = (prof_bt_t *)key; + + cassert(config_prof); + assert(minbits <= 32 || (SIZEOF_PTR == 8 && minbits <= 64)); + assert(hash1 != NULL); + assert(hash2 != NULL); + + h = hash(bt->vec, bt->len * sizeof(void *), + UINT64_C(0x94122f335b332aea)); + if (minbits <= 32) { + /* + * Avoid doing multiple hashes, since a single hash provides + * enough bits. + */ + ret1 = h & ZU(0xffffffffU); + ret2 = h >> 32; + } else { + ret1 = h; + ret2 = hash(bt->vec, bt->len * sizeof(void *), + UINT64_C(0x8432a476666bbc13)); + } + + *hash1 = ret1; + *hash2 = ret2; +} + +static bool +prof_bt_keycomp(const void *k1, const void *k2) +{ + const prof_bt_t *bt1 = (prof_bt_t *)k1; + const prof_bt_t *bt2 = (prof_bt_t *)k2; + + cassert(config_prof); + + if (bt1->len != bt2->len) + return (false); + return (memcmp(bt1->vec, bt2->vec, bt1->len * sizeof(void *)) == 0); +} + +static malloc_mutex_t * +prof_ctx_mutex_choose(void) +{ + unsigned nctxs = atomic_add_u(&cum_ctxs, 1); + + return (&ctx_locks[(nctxs - 1) % PROF_NCTX_LOCKS]); +} + +prof_tdata_t * +prof_tdata_init(void) +{ + prof_tdata_t *prof_tdata; + + cassert(config_prof); + + /* Initialize an empty cache for this thread. */ + prof_tdata = (prof_tdata_t *)imalloc(sizeof(prof_tdata_t)); + if (prof_tdata == NULL) + return (NULL); + + if (ckh_new(&prof_tdata->bt2cnt, PROF_CKH_MINITEMS, + prof_bt_hash, prof_bt_keycomp)) { + idalloc(prof_tdata); + return (NULL); + } + ql_new(&prof_tdata->lru_ql); + + prof_tdata->vec = imalloc(sizeof(void *) * PROF_BT_MAX); + if (prof_tdata->vec == NULL) { + ckh_delete(&prof_tdata->bt2cnt); + idalloc(prof_tdata); + return (NULL); + } + + prof_tdata->prng_state = 0; + prof_tdata->threshold = 0; + prof_tdata->accum = 0; + + prof_tdata->enq = false; + prof_tdata->enq_idump = false; + prof_tdata->enq_gdump = false; + + prof_tdata_tsd_set(&prof_tdata); + + return (prof_tdata); +} + +void +prof_tdata_cleanup(void *arg) +{ + prof_thr_cnt_t *cnt; + prof_tdata_t *prof_tdata = *(prof_tdata_t **)arg; + + cassert(config_prof); + + if (prof_tdata == PROF_TDATA_STATE_REINCARNATED) { + /* + * Another destructor deallocated memory after this destructor + * was called. Reset prof_tdata to PROF_TDATA_STATE_PURGATORY + * in order to receive another callback. + */ + prof_tdata = PROF_TDATA_STATE_PURGATORY; + prof_tdata_tsd_set(&prof_tdata); + } else if (prof_tdata == PROF_TDATA_STATE_PURGATORY) { + /* + * The previous time this destructor was called, we set the key + * to PROF_TDATA_STATE_PURGATORY so that other destructors + * wouldn't cause re-creation of the prof_tdata. This time, do + * nothing, so that the destructor will not be called again. + */ + } else if (prof_tdata != NULL) { + /* + * Delete the hash table. All of its contents can still be + * iterated over via the LRU. + */ + ckh_delete(&prof_tdata->bt2cnt); + /* + * Iteratively merge cnt's into the global stats and delete + * them. + */ + while ((cnt = ql_last(&prof_tdata->lru_ql, lru_link)) != NULL) { + ql_remove(&prof_tdata->lru_ql, cnt, lru_link); + prof_ctx_merge(cnt->ctx, cnt); + idalloc(cnt); + } + idalloc(prof_tdata->vec); + idalloc(prof_tdata); + prof_tdata = PROF_TDATA_STATE_PURGATORY; + prof_tdata_tsd_set(&prof_tdata); + } +} + +void +prof_boot0(void) +{ + + cassert(config_prof); + + memcpy(opt_prof_prefix, PROF_PREFIX_DEFAULT, + sizeof(PROF_PREFIX_DEFAULT)); +} + +void +prof_boot1(void) +{ + + cassert(config_prof); + + /* + * opt_prof and prof_promote must be in their final state before any + * arenas are initialized, so this function must be executed early. + */ + + if (opt_prof_leak && opt_prof == false) { + /* + * Enable opt_prof, but in such a way that profiles are never + * automatically dumped. + */ + opt_prof = true; + opt_prof_gdump = false; + prof_interval = 0; + } else if (opt_prof) { + if (opt_lg_prof_interval >= 0) { + prof_interval = (((uint64_t)1U) << + opt_lg_prof_interval); + } else + prof_interval = 0; + } + + prof_promote = (opt_prof && opt_lg_prof_sample > LG_PAGE); +} + +bool +prof_boot2(void) +{ + + cassert(config_prof); + + if (opt_prof) { + unsigned i; + + if (ckh_new(&bt2ctx, PROF_CKH_MINITEMS, prof_bt_hash, + prof_bt_keycomp)) + return (true); + if (malloc_mutex_init(&bt2ctx_mtx)) + return (true); + if (prof_tdata_tsd_boot()) { + malloc_write( + ": Error in pthread_key_create()\n"); + abort(); + } + + if (malloc_mutex_init(&prof_dump_seq_mtx)) + return (true); + + if (atexit(prof_fdump) != 0) { + malloc_write(": Error in atexit()\n"); + if (opt_abort) + abort(); + } + + ctx_locks = (malloc_mutex_t *)base_alloc(PROF_NCTX_LOCKS * + sizeof(malloc_mutex_t)); + if (ctx_locks == NULL) + return (true); + for (i = 0; i < PROF_NCTX_LOCKS; i++) { + if (malloc_mutex_init(&ctx_locks[i])) + return (true); + } + } + +#ifdef JEMALLOC_PROF_LIBGCC + /* + * Cause the backtracing machinery to allocate its internal state + * before enabling profiling. + */ + _Unwind_Backtrace(prof_unwind_init_callback, NULL); +#endif + + prof_booted = true; + + return (false); +} + +void +prof_prefork(void) +{ + + if (opt_prof) { + unsigned i; + + malloc_mutex_lock(&bt2ctx_mtx); + malloc_mutex_lock(&prof_dump_seq_mtx); + for (i = 0; i < PROF_NCTX_LOCKS; i++) + malloc_mutex_lock(&ctx_locks[i]); + } +} + +void +prof_postfork_parent(void) +{ + + if (opt_prof) { + unsigned i; + + for (i = 0; i < PROF_NCTX_LOCKS; i++) + malloc_mutex_postfork_parent(&ctx_locks[i]); + malloc_mutex_postfork_parent(&prof_dump_seq_mtx); + malloc_mutex_postfork_parent(&bt2ctx_mtx); + } +} + +void +prof_postfork_child(void) +{ + + if (opt_prof) { + unsigned i; + + for (i = 0; i < PROF_NCTX_LOCKS; i++) + malloc_mutex_postfork_child(&ctx_locks[i]); + malloc_mutex_postfork_child(&prof_dump_seq_mtx); + malloc_mutex_postfork_child(&bt2ctx_mtx); + } +} + +/******************************************************************************/ diff --git a/deps/jemalloc/src/quarantine.c b/deps/jemalloc/src/quarantine.c new file mode 100644 index 0000000..9005ab3 --- /dev/null +++ b/deps/jemalloc/src/quarantine.c @@ -0,0 +1,210 @@ +#include "jemalloc/internal/jemalloc_internal.h" + +/* + * quarantine pointers close to NULL are used to encode state information that + * is used for cleaning up during thread shutdown. + */ +#define QUARANTINE_STATE_REINCARNATED ((quarantine_t *)(uintptr_t)1) +#define QUARANTINE_STATE_PURGATORY ((quarantine_t *)(uintptr_t)2) +#define QUARANTINE_STATE_MAX QUARANTINE_STATE_PURGATORY + +/******************************************************************************/ +/* Data. */ + +typedef struct quarantine_obj_s quarantine_obj_t; +typedef struct quarantine_s quarantine_t; + +struct quarantine_obj_s { + void *ptr; + size_t usize; +}; + +struct quarantine_s { + size_t curbytes; + size_t curobjs; + size_t first; +#define LG_MAXOBJS_INIT 10 + size_t lg_maxobjs; + quarantine_obj_t objs[1]; /* Dynamically sized ring buffer. */ +}; + +static void quarantine_cleanup(void *arg); + +malloc_tsd_data(static, quarantine, quarantine_t *, NULL) +malloc_tsd_funcs(JEMALLOC_INLINE, quarantine, quarantine_t *, NULL, + quarantine_cleanup) + +/******************************************************************************/ +/* Function prototypes for non-inline static functions. */ + +static quarantine_t *quarantine_init(size_t lg_maxobjs); +static quarantine_t *quarantine_grow(quarantine_t *quarantine); +static void quarantine_drain(quarantine_t *quarantine, size_t upper_bound); + +/******************************************************************************/ + +static quarantine_t * +quarantine_init(size_t lg_maxobjs) +{ + quarantine_t *quarantine; + + quarantine = (quarantine_t *)imalloc(offsetof(quarantine_t, objs) + + ((ZU(1) << lg_maxobjs) * sizeof(quarantine_obj_t))); + if (quarantine == NULL) + return (NULL); + quarantine->curbytes = 0; + quarantine->curobjs = 0; + quarantine->first = 0; + quarantine->lg_maxobjs = lg_maxobjs; + + quarantine_tsd_set(&quarantine); + + return (quarantine); +} + +static quarantine_t * +quarantine_grow(quarantine_t *quarantine) +{ + quarantine_t *ret; + + ret = quarantine_init(quarantine->lg_maxobjs + 1); + if (ret == NULL) + return (quarantine); + + ret->curbytes = quarantine->curbytes; + ret->curobjs = quarantine->curobjs; + if (quarantine->first + quarantine->curobjs <= (ZU(1) << + quarantine->lg_maxobjs)) { + /* objs ring buffer data are contiguous. */ + memcpy(ret->objs, &quarantine->objs[quarantine->first], + quarantine->curobjs * sizeof(quarantine_obj_t)); + } else { + /* objs ring buffer data wrap around. */ + size_t ncopy_a = (ZU(1) << quarantine->lg_maxobjs) - + quarantine->first; + size_t ncopy_b = quarantine->curobjs - ncopy_a; + + memcpy(ret->objs, &quarantine->objs[quarantine->first], ncopy_a + * sizeof(quarantine_obj_t)); + memcpy(&ret->objs[ncopy_a], quarantine->objs, ncopy_b * + sizeof(quarantine_obj_t)); + } + + return (ret); +} + +static void +quarantine_drain(quarantine_t *quarantine, size_t upper_bound) +{ + + while (quarantine->curbytes > upper_bound && quarantine->curobjs > 0) { + quarantine_obj_t *obj = &quarantine->objs[quarantine->first]; + assert(obj->usize == isalloc(obj->ptr, config_prof)); + idalloc(obj->ptr); + quarantine->curbytes -= obj->usize; + quarantine->curobjs--; + quarantine->first = (quarantine->first + 1) & ((ZU(1) << + quarantine->lg_maxobjs) - 1); + } +} + +void +quarantine(void *ptr) +{ + quarantine_t *quarantine; + size_t usize = isalloc(ptr, config_prof); + + cassert(config_fill); + assert(opt_quarantine); + + quarantine = *quarantine_tsd_get(); + if ((uintptr_t)quarantine <= (uintptr_t)QUARANTINE_STATE_MAX) { + if (quarantine == NULL) { + if ((quarantine = quarantine_init(LG_MAXOBJS_INIT)) == + NULL) { + idalloc(ptr); + return; + } + } else { + if (quarantine == QUARANTINE_STATE_PURGATORY) { + /* + * Make a note that quarantine() was called + * after quarantine_cleanup() was called. + */ + quarantine = QUARANTINE_STATE_REINCARNATED; + quarantine_tsd_set(&quarantine); + } + idalloc(ptr); + return; + } + } + /* + * Drain one or more objects if the quarantine size limit would be + * exceeded by appending ptr. + */ + if (quarantine->curbytes + usize > opt_quarantine) { + size_t upper_bound = (opt_quarantine >= usize) ? opt_quarantine + - usize : 0; + quarantine_drain(quarantine, upper_bound); + } + /* Grow the quarantine ring buffer if it's full. */ + if (quarantine->curobjs == (ZU(1) << quarantine->lg_maxobjs)) + quarantine = quarantine_grow(quarantine); + /* quarantine_grow() must free a slot if it fails to grow. */ + assert(quarantine->curobjs < (ZU(1) << quarantine->lg_maxobjs)); + /* Append ptr if its size doesn't exceed the quarantine size. */ + if (quarantine->curbytes + usize <= opt_quarantine) { + size_t offset = (quarantine->first + quarantine->curobjs) & + ((ZU(1) << quarantine->lg_maxobjs) - 1); + quarantine_obj_t *obj = &quarantine->objs[offset]; + obj->ptr = ptr; + obj->usize = usize; + quarantine->curbytes += usize; + quarantine->curobjs++; + if (opt_junk) + memset(ptr, 0x5a, usize); + } else { + assert(quarantine->curbytes == 0); + idalloc(ptr); + } +} + +static void +quarantine_cleanup(void *arg) +{ + quarantine_t *quarantine = *(quarantine_t **)arg; + + if (quarantine == QUARANTINE_STATE_REINCARNATED) { + /* + * Another destructor deallocated memory after this destructor + * was called. Reset quarantine to QUARANTINE_STATE_PURGATORY + * in order to receive another callback. + */ + quarantine = QUARANTINE_STATE_PURGATORY; + quarantine_tsd_set(&quarantine); + } else if (quarantine == QUARANTINE_STATE_PURGATORY) { + /* + * The previous time this destructor was called, we set the key + * to QUARANTINE_STATE_PURGATORY so that other destructors + * wouldn't cause re-creation of the quarantine. This time, do + * nothing, so that the destructor will not be called again. + */ + } else if (quarantine != NULL) { + quarantine_drain(quarantine, 0); + idalloc(quarantine); + quarantine = QUARANTINE_STATE_PURGATORY; + quarantine_tsd_set(&quarantine); + } +} + +bool +quarantine_boot(void) +{ + + cassert(config_fill); + + if (quarantine_tsd_boot()) + return (true); + + return (false); +} diff --git a/deps/jemalloc/src/rtree.c b/deps/jemalloc/src/rtree.c new file mode 100644 index 0000000..90c6935 --- /dev/null +++ b/deps/jemalloc/src/rtree.c @@ -0,0 +1,67 @@ +#define JEMALLOC_RTREE_C_ +#include "jemalloc/internal/jemalloc_internal.h" + +rtree_t * +rtree_new(unsigned bits) +{ + rtree_t *ret; + unsigned bits_per_level, height, i; + + bits_per_level = ffs(pow2_ceil((RTREE_NODESIZE / sizeof(void *)))) - 1; + height = bits / bits_per_level; + if (height * bits_per_level != bits) + height++; + assert(height * bits_per_level >= bits); + + ret = (rtree_t*)base_alloc(offsetof(rtree_t, level2bits) + + (sizeof(unsigned) * height)); + if (ret == NULL) + return (NULL); + memset(ret, 0, offsetof(rtree_t, level2bits) + (sizeof(unsigned) * + height)); + + if (malloc_mutex_init(&ret->mutex)) { + /* Leak the rtree. */ + return (NULL); + } + ret->height = height; + if (bits_per_level * height > bits) + ret->level2bits[0] = bits % bits_per_level; + else + ret->level2bits[0] = bits_per_level; + for (i = 1; i < height; i++) + ret->level2bits[i] = bits_per_level; + + ret->root = (void**)base_alloc(sizeof(void *) << ret->level2bits[0]); + if (ret->root == NULL) { + /* + * We leak the rtree here, since there's no generic base + * deallocation. + */ + return (NULL); + } + memset(ret->root, 0, sizeof(void *) << ret->level2bits[0]); + + return (ret); +} + +void +rtree_prefork(rtree_t *rtree) +{ + + malloc_mutex_prefork(&rtree->mutex); +} + +void +rtree_postfork_parent(rtree_t *rtree) +{ + + malloc_mutex_postfork_parent(&rtree->mutex); +} + +void +rtree_postfork_child(rtree_t *rtree) +{ + + malloc_mutex_postfork_child(&rtree->mutex); +} diff --git a/deps/jemalloc/src/stats.c b/deps/jemalloc/src/stats.c new file mode 100644 index 0000000..43f87af --- /dev/null +++ b/deps/jemalloc/src/stats.c @@ -0,0 +1,549 @@ +#define JEMALLOC_STATS_C_ +#include "jemalloc/internal/jemalloc_internal.h" + +#define CTL_GET(n, v, t) do { \ + size_t sz = sizeof(t); \ + xmallctl(n, v, &sz, NULL, 0); \ +} while (0) + +#define CTL_I_GET(n, v, t) do { \ + size_t mib[6]; \ + size_t miblen = sizeof(mib) / sizeof(size_t); \ + size_t sz = sizeof(t); \ + xmallctlnametomib(n, mib, &miblen); \ + mib[2] = i; \ + xmallctlbymib(mib, miblen, v, &sz, NULL, 0); \ +} while (0) + +#define CTL_J_GET(n, v, t) do { \ + size_t mib[6]; \ + size_t miblen = sizeof(mib) / sizeof(size_t); \ + size_t sz = sizeof(t); \ + xmallctlnametomib(n, mib, &miblen); \ + mib[2] = j; \ + xmallctlbymib(mib, miblen, v, &sz, NULL, 0); \ +} while (0) + +#define CTL_IJ_GET(n, v, t) do { \ + size_t mib[6]; \ + size_t miblen = sizeof(mib) / sizeof(size_t); \ + size_t sz = sizeof(t); \ + xmallctlnametomib(n, mib, &miblen); \ + mib[2] = i; \ + mib[4] = j; \ + xmallctlbymib(mib, miblen, v, &sz, NULL, 0); \ +} while (0) + +/******************************************************************************/ +/* Data. */ + +bool opt_stats_print = false; + +size_t stats_cactive = 0; + +/******************************************************************************/ +/* Function prototypes for non-inline static functions. */ + +static void stats_arena_bins_print(void (*write_cb)(void *, const char *), + void *cbopaque, unsigned i); +static void stats_arena_lruns_print(void (*write_cb)(void *, const char *), + void *cbopaque, unsigned i); +static void stats_arena_print(void (*write_cb)(void *, const char *), + void *cbopaque, unsigned i, bool bins, bool large); + +/******************************************************************************/ + +static void +stats_arena_bins_print(void (*write_cb)(void *, const char *), void *cbopaque, + unsigned i) +{ + size_t page; + bool config_tcache; + unsigned nbins, j, gap_start; + + CTL_GET("arenas.page", &page, size_t); + + CTL_GET("config.tcache", &config_tcache, bool); + if (config_tcache) { + malloc_cprintf(write_cb, cbopaque, + "bins: bin size regs pgs allocated nmalloc" + " ndalloc nrequests nfills nflushes" + " newruns reruns curruns\n"); + } else { + malloc_cprintf(write_cb, cbopaque, + "bins: bin size regs pgs allocated nmalloc" + " ndalloc newruns reruns curruns\n"); + } + CTL_GET("arenas.nbins", &nbins, unsigned); + for (j = 0, gap_start = UINT_MAX; j < nbins; j++) { + uint64_t nruns; + + CTL_IJ_GET("stats.arenas.0.bins.0.nruns", &nruns, uint64_t); + if (nruns == 0) { + if (gap_start == UINT_MAX) + gap_start = j; + } else { + size_t reg_size, run_size, allocated; + uint32_t nregs; + uint64_t nmalloc, ndalloc, nrequests, nfills, nflushes; + uint64_t reruns; + size_t curruns; + + if (gap_start != UINT_MAX) { + if (j > gap_start + 1) { + /* Gap of more than one size class. */ + malloc_cprintf(write_cb, cbopaque, + "[%u..%u]\n", gap_start, + j - 1); + } else { + /* Gap of one size class. */ + malloc_cprintf(write_cb, cbopaque, + "[%u]\n", gap_start); + } + gap_start = UINT_MAX; + } + CTL_J_GET("arenas.bin.0.size", ®_size, size_t); + CTL_J_GET("arenas.bin.0.nregs", &nregs, uint32_t); + CTL_J_GET("arenas.bin.0.run_size", &run_size, size_t); + CTL_IJ_GET("stats.arenas.0.bins.0.allocated", + &allocated, size_t); + CTL_IJ_GET("stats.arenas.0.bins.0.nmalloc", + &nmalloc, uint64_t); + CTL_IJ_GET("stats.arenas.0.bins.0.ndalloc", + &ndalloc, uint64_t); + if (config_tcache) { + CTL_IJ_GET("stats.arenas.0.bins.0.nrequests", + &nrequests, uint64_t); + CTL_IJ_GET("stats.arenas.0.bins.0.nfills", + &nfills, uint64_t); + CTL_IJ_GET("stats.arenas.0.bins.0.nflushes", + &nflushes, uint64_t); + } + CTL_IJ_GET("stats.arenas.0.bins.0.nreruns", &reruns, + uint64_t); + CTL_IJ_GET("stats.arenas.0.bins.0.curruns", &curruns, + size_t); + if (config_tcache) { + malloc_cprintf(write_cb, cbopaque, + "%13u %5zu %4u %3zu %12zu %12"PRIu64 + " %12"PRIu64" %12"PRIu64" %12"PRIu64 + " %12"PRIu64" %12"PRIu64" %12"PRIu64 + " %12zu\n", + j, reg_size, nregs, run_size / page, + allocated, nmalloc, ndalloc, nrequests, + nfills, nflushes, nruns, reruns, curruns); + } else { + malloc_cprintf(write_cb, cbopaque, + "%13u %5zu %4u %3zu %12zu %12"PRIu64 + " %12"PRIu64" %12"PRIu64" %12"PRIu64 + " %12zu\n", + j, reg_size, nregs, run_size / page, + allocated, nmalloc, ndalloc, nruns, reruns, + curruns); + } + } + } + if (gap_start != UINT_MAX) { + if (j > gap_start + 1) { + /* Gap of more than one size class. */ + malloc_cprintf(write_cb, cbopaque, "[%u..%u]\n", + gap_start, j - 1); + } else { + /* Gap of one size class. */ + malloc_cprintf(write_cb, cbopaque, "[%u]\n", gap_start); + } + } +} + +static void +stats_arena_lruns_print(void (*write_cb)(void *, const char *), void *cbopaque, + unsigned i) +{ + size_t page, nlruns, j; + ssize_t gap_start; + + CTL_GET("arenas.page", &page, size_t); + + malloc_cprintf(write_cb, cbopaque, + "large: size pages nmalloc ndalloc nrequests" + " curruns\n"); + CTL_GET("arenas.nlruns", &nlruns, size_t); + for (j = 0, gap_start = -1; j < nlruns; j++) { + uint64_t nmalloc, ndalloc, nrequests; + size_t run_size, curruns; + + CTL_IJ_GET("stats.arenas.0.lruns.0.nmalloc", &nmalloc, + uint64_t); + CTL_IJ_GET("stats.arenas.0.lruns.0.ndalloc", &ndalloc, + uint64_t); + CTL_IJ_GET("stats.arenas.0.lruns.0.nrequests", &nrequests, + uint64_t); + if (nrequests == 0) { + if (gap_start == -1) + gap_start = j; + } else { + CTL_J_GET("arenas.lrun.0.size", &run_size, size_t); + CTL_IJ_GET("stats.arenas.0.lruns.0.curruns", &curruns, + size_t); + if (gap_start != -1) { + malloc_cprintf(write_cb, cbopaque, "[%zu]\n", + j - gap_start); + gap_start = -1; + } + malloc_cprintf(write_cb, cbopaque, + "%13zu %5zu %12"PRIu64" %12"PRIu64" %12"PRIu64 + " %12zu\n", + run_size, run_size / page, nmalloc, ndalloc, + nrequests, curruns); + } + } + if (gap_start != -1) + malloc_cprintf(write_cb, cbopaque, "[%zu]\n", j - gap_start); +} + +static void +stats_arena_print(void (*write_cb)(void *, const char *), void *cbopaque, + unsigned i, bool bins, bool large) +{ + unsigned nthreads; + const char *dss; + size_t page, pactive, pdirty, mapped; + uint64_t npurge, nmadvise, purged; + size_t small_allocated; + uint64_t small_nmalloc, small_ndalloc, small_nrequests; + size_t large_allocated; + uint64_t large_nmalloc, large_ndalloc, large_nrequests; + + CTL_GET("arenas.page", &page, size_t); + + CTL_I_GET("stats.arenas.0.nthreads", &nthreads, unsigned); + malloc_cprintf(write_cb, cbopaque, + "assigned threads: %u\n", nthreads); + CTL_I_GET("stats.arenas.0.dss", &dss, const char *); + malloc_cprintf(write_cb, cbopaque, "dss allocation precedence: %s\n", + dss); + CTL_I_GET("stats.arenas.0.pactive", &pactive, size_t); + CTL_I_GET("stats.arenas.0.pdirty", &pdirty, size_t); + CTL_I_GET("stats.arenas.0.npurge", &npurge, uint64_t); + CTL_I_GET("stats.arenas.0.nmadvise", &nmadvise, uint64_t); + CTL_I_GET("stats.arenas.0.purged", &purged, uint64_t); + malloc_cprintf(write_cb, cbopaque, + "dirty pages: %zu:%zu active:dirty, %"PRIu64" sweep%s," + " %"PRIu64" madvise%s, %"PRIu64" purged\n", + pactive, pdirty, npurge, npurge == 1 ? "" : "s", + nmadvise, nmadvise == 1 ? "" : "s", purged); + + malloc_cprintf(write_cb, cbopaque, + " allocated nmalloc ndalloc nrequests\n"); + CTL_I_GET("stats.arenas.0.small.allocated", &small_allocated, size_t); + CTL_I_GET("stats.arenas.0.small.nmalloc", &small_nmalloc, uint64_t); + CTL_I_GET("stats.arenas.0.small.ndalloc", &small_ndalloc, uint64_t); + CTL_I_GET("stats.arenas.0.small.nrequests", &small_nrequests, uint64_t); + malloc_cprintf(write_cb, cbopaque, + "small: %12zu %12"PRIu64" %12"PRIu64" %12"PRIu64"\n", + small_allocated, small_nmalloc, small_ndalloc, small_nrequests); + CTL_I_GET("stats.arenas.0.large.allocated", &large_allocated, size_t); + CTL_I_GET("stats.arenas.0.large.nmalloc", &large_nmalloc, uint64_t); + CTL_I_GET("stats.arenas.0.large.ndalloc", &large_ndalloc, uint64_t); + CTL_I_GET("stats.arenas.0.large.nrequests", &large_nrequests, uint64_t); + malloc_cprintf(write_cb, cbopaque, + "large: %12zu %12"PRIu64" %12"PRIu64" %12"PRIu64"\n", + large_allocated, large_nmalloc, large_ndalloc, large_nrequests); + malloc_cprintf(write_cb, cbopaque, + "total: %12zu %12"PRIu64" %12"PRIu64" %12"PRIu64"\n", + small_allocated + large_allocated, + small_nmalloc + large_nmalloc, + small_ndalloc + large_ndalloc, + small_nrequests + large_nrequests); + malloc_cprintf(write_cb, cbopaque, "active: %12zu\n", pactive * page); + CTL_I_GET("stats.arenas.0.mapped", &mapped, size_t); + malloc_cprintf(write_cb, cbopaque, "mapped: %12zu\n", mapped); + + if (bins) + stats_arena_bins_print(write_cb, cbopaque, i); + if (large) + stats_arena_lruns_print(write_cb, cbopaque, i); +} + +void +stats_print(void (*write_cb)(void *, const char *), void *cbopaque, + const char *opts) +{ + int err; + uint64_t epoch; + size_t u64sz; + bool general = true; + bool merged = true; + bool unmerged = true; + bool bins = true; + bool large = true; + + /* + * Refresh stats, in case mallctl() was called by the application. + * + * Check for OOM here, since refreshing the ctl cache can trigger + * allocation. In practice, none of the subsequent mallctl()-related + * calls in this function will cause OOM if this one succeeds. + * */ + epoch = 1; + u64sz = sizeof(uint64_t); + err = je_mallctl("epoch", &epoch, &u64sz, &epoch, sizeof(uint64_t)); + if (err != 0) { + if (err == EAGAIN) { + malloc_write(": Memory allocation failure in " + "mallctl(\"epoch\", ...)\n"); + return; + } + malloc_write(": Failure in mallctl(\"epoch\", " + "...)\n"); + abort(); + } + + if (opts != NULL) { + unsigned i; + + for (i = 0; opts[i] != '\0'; i++) { + switch (opts[i]) { + case 'g': + general = false; + break; + case 'm': + merged = false; + break; + case 'a': + unmerged = false; + break; + case 'b': + bins = false; + break; + case 'l': + large = false; + break; + default:; + } + } + } + + malloc_cprintf(write_cb, cbopaque, + "___ Begin jemalloc statistics ___\n"); + if (general) { + int err; + const char *cpv; + bool bv; + unsigned uv; + ssize_t ssv; + size_t sv, bsz, ssz, sssz, cpsz; + + bsz = sizeof(bool); + ssz = sizeof(size_t); + sssz = sizeof(ssize_t); + cpsz = sizeof(const char *); + + CTL_GET("version", &cpv, const char *); + malloc_cprintf(write_cb, cbopaque, "Version: %s\n", cpv); + CTL_GET("config.debug", &bv, bool); + malloc_cprintf(write_cb, cbopaque, "Assertions %s\n", + bv ? "enabled" : "disabled"); + +#define OPT_WRITE_BOOL(n) \ + if ((err = je_mallctl("opt."#n, &bv, &bsz, NULL, 0)) \ + == 0) { \ + malloc_cprintf(write_cb, cbopaque, \ + " opt."#n": %s\n", bv ? "true" : "false"); \ + } +#define OPT_WRITE_SIZE_T(n) \ + if ((err = je_mallctl("opt."#n, &sv, &ssz, NULL, 0)) \ + == 0) { \ + malloc_cprintf(write_cb, cbopaque, \ + " opt."#n": %zu\n", sv); \ + } +#define OPT_WRITE_SSIZE_T(n) \ + if ((err = je_mallctl("opt."#n, &ssv, &sssz, NULL, 0)) \ + == 0) { \ + malloc_cprintf(write_cb, cbopaque, \ + " opt."#n": %zd\n", ssv); \ + } +#define OPT_WRITE_CHAR_P(n) \ + if ((err = je_mallctl("opt."#n, &cpv, &cpsz, NULL, 0)) \ + == 0) { \ + malloc_cprintf(write_cb, cbopaque, \ + " opt."#n": \"%s\"\n", cpv); \ + } + + malloc_cprintf(write_cb, cbopaque, + "Run-time option settings:\n"); + OPT_WRITE_BOOL(abort) + OPT_WRITE_SIZE_T(lg_chunk) + OPT_WRITE_CHAR_P(dss) + OPT_WRITE_SIZE_T(narenas) + OPT_WRITE_SSIZE_T(lg_dirty_mult) + OPT_WRITE_BOOL(stats_print) + OPT_WRITE_BOOL(junk) + OPT_WRITE_SIZE_T(quarantine) + OPT_WRITE_BOOL(redzone) + OPT_WRITE_BOOL(zero) + OPT_WRITE_BOOL(utrace) + OPT_WRITE_BOOL(valgrind) + OPT_WRITE_BOOL(xmalloc) + OPT_WRITE_BOOL(tcache) + OPT_WRITE_SSIZE_T(lg_tcache_max) + OPT_WRITE_BOOL(prof) + OPT_WRITE_CHAR_P(prof_prefix) + OPT_WRITE_BOOL(prof_active) + OPT_WRITE_SSIZE_T(lg_prof_sample) + OPT_WRITE_BOOL(prof_accum) + OPT_WRITE_SSIZE_T(lg_prof_interval) + OPT_WRITE_BOOL(prof_gdump) + OPT_WRITE_BOOL(prof_final) + OPT_WRITE_BOOL(prof_leak) + +#undef OPT_WRITE_BOOL +#undef OPT_WRITE_SIZE_T +#undef OPT_WRITE_SSIZE_T +#undef OPT_WRITE_CHAR_P + + malloc_cprintf(write_cb, cbopaque, "CPUs: %u\n", ncpus); + + CTL_GET("arenas.narenas", &uv, unsigned); + malloc_cprintf(write_cb, cbopaque, "Arenas: %u\n", uv); + + malloc_cprintf(write_cb, cbopaque, "Pointer size: %zu\n", + sizeof(void *)); + + CTL_GET("arenas.quantum", &sv, size_t); + malloc_cprintf(write_cb, cbopaque, "Quantum size: %zu\n", sv); + + CTL_GET("arenas.page", &sv, size_t); + malloc_cprintf(write_cb, cbopaque, "Page size: %zu\n", sv); + + CTL_GET("opt.lg_dirty_mult", &ssv, ssize_t); + if (ssv >= 0) { + malloc_cprintf(write_cb, cbopaque, + "Min active:dirty page ratio per arena: %u:1\n", + (1U << ssv)); + } else { + malloc_cprintf(write_cb, cbopaque, + "Min active:dirty page ratio per arena: N/A\n"); + } + if ((err = je_mallctl("arenas.tcache_max", &sv, &ssz, NULL, 0)) + == 0) { + malloc_cprintf(write_cb, cbopaque, + "Maximum thread-cached size class: %zu\n", sv); + } + if ((err = je_mallctl("opt.prof", &bv, &bsz, NULL, 0)) == 0 && + bv) { + CTL_GET("opt.lg_prof_sample", &sv, size_t); + malloc_cprintf(write_cb, cbopaque, + "Average profile sample interval: %"PRIu64 + " (2^%zu)\n", (((uint64_t)1U) << sv), sv); + + CTL_GET("opt.lg_prof_interval", &ssv, ssize_t); + if (ssv >= 0) { + malloc_cprintf(write_cb, cbopaque, + "Average profile dump interval: %"PRIu64 + " (2^%zd)\n", + (((uint64_t)1U) << ssv), ssv); + } else { + malloc_cprintf(write_cb, cbopaque, + "Average profile dump interval: N/A\n"); + } + } + CTL_GET("opt.lg_chunk", &sv, size_t); + malloc_cprintf(write_cb, cbopaque, "Chunk size: %zu (2^%zu)\n", + (ZU(1) << sv), sv); + } + + if (config_stats) { + size_t *cactive; + size_t allocated, active, mapped; + size_t chunks_current, chunks_high; + uint64_t chunks_total; + size_t huge_allocated; + uint64_t huge_nmalloc, huge_ndalloc; + + CTL_GET("stats.cactive", &cactive, size_t *); + CTL_GET("stats.allocated", &allocated, size_t); + CTL_GET("stats.active", &active, size_t); + CTL_GET("stats.mapped", &mapped, size_t); + malloc_cprintf(write_cb, cbopaque, + "Allocated: %zu, active: %zu, mapped: %zu\n", + allocated, active, mapped); + malloc_cprintf(write_cb, cbopaque, + "Current active ceiling: %zu\n", atomic_read_z(cactive)); + + /* Print chunk stats. */ + CTL_GET("stats.chunks.total", &chunks_total, uint64_t); + CTL_GET("stats.chunks.high", &chunks_high, size_t); + CTL_GET("stats.chunks.current", &chunks_current, size_t); + malloc_cprintf(write_cb, cbopaque, "chunks: nchunks " + "highchunks curchunks\n"); + malloc_cprintf(write_cb, cbopaque, + " %13"PRIu64" %12zu %12zu\n", + chunks_total, chunks_high, chunks_current); + + /* Print huge stats. */ + CTL_GET("stats.huge.nmalloc", &huge_nmalloc, uint64_t); + CTL_GET("stats.huge.ndalloc", &huge_ndalloc, uint64_t); + CTL_GET("stats.huge.allocated", &huge_allocated, size_t); + malloc_cprintf(write_cb, cbopaque, + "huge: nmalloc ndalloc allocated\n"); + malloc_cprintf(write_cb, cbopaque, + " %12"PRIu64" %12"PRIu64" %12zu\n", + huge_nmalloc, huge_ndalloc, huge_allocated); + + if (merged) { + unsigned narenas; + + CTL_GET("arenas.narenas", &narenas, unsigned); + { + VARIABLE_ARRAY(bool, initialized, narenas); + size_t isz; + unsigned i, ninitialized; + + isz = sizeof(bool) * narenas; + xmallctl("arenas.initialized", initialized, + &isz, NULL, 0); + for (i = ninitialized = 0; i < narenas; i++) { + if (initialized[i]) + ninitialized++; + } + + if (ninitialized > 1 || unmerged == false) { + /* Print merged arena stats. */ + malloc_cprintf(write_cb, cbopaque, + "\nMerged arenas stats:\n"); + stats_arena_print(write_cb, cbopaque, + narenas, bins, large); + } + } + } + + if (unmerged) { + unsigned narenas; + + /* Print stats for each arena. */ + + CTL_GET("arenas.narenas", &narenas, unsigned); + { + VARIABLE_ARRAY(bool, initialized, narenas); + size_t isz; + unsigned i; + + isz = sizeof(bool) * narenas; + xmallctl("arenas.initialized", initialized, + &isz, NULL, 0); + + for (i = 0; i < narenas; i++) { + if (initialized[i]) { + malloc_cprintf(write_cb, + cbopaque, + "\narenas[%u]:\n", i); + stats_arena_print(write_cb, + cbopaque, i, bins, large); + } + } + } + } + } + malloc_cprintf(write_cb, cbopaque, "--- End jemalloc statistics ---\n"); +} diff --git a/deps/jemalloc/src/tcache.c b/deps/jemalloc/src/tcache.c new file mode 100644 index 0000000..47e14f3 --- /dev/null +++ b/deps/jemalloc/src/tcache.c @@ -0,0 +1,474 @@ +#define JEMALLOC_TCACHE_C_ +#include "jemalloc/internal/jemalloc_internal.h" + +/******************************************************************************/ +/* Data. */ + +malloc_tsd_data(, tcache, tcache_t *, NULL) +malloc_tsd_data(, tcache_enabled, tcache_enabled_t, tcache_enabled_default) + +bool opt_tcache = true; +ssize_t opt_lg_tcache_max = LG_TCACHE_MAXCLASS_DEFAULT; + +tcache_bin_info_t *tcache_bin_info; +static unsigned stack_nelms; /* Total stack elms per tcache. */ + +size_t nhbins; +size_t tcache_maxclass; + +/******************************************************************************/ + +size_t tcache_salloc(const void *ptr) +{ + + return (arena_salloc(ptr, false)); +} + +void +tcache_event_hard(tcache_t *tcache) +{ + size_t binind = tcache->next_gc_bin; + tcache_bin_t *tbin = &tcache->tbins[binind]; + tcache_bin_info_t *tbin_info = &tcache_bin_info[binind]; + + if (tbin->low_water > 0) { + /* + * Flush (ceiling) 3/4 of the objects below the low water mark. + */ + if (binind < NBINS) { + tcache_bin_flush_small(tbin, binind, tbin->ncached - + tbin->low_water + (tbin->low_water >> 2), tcache); + } else { + tcache_bin_flush_large(tbin, binind, tbin->ncached - + tbin->low_water + (tbin->low_water >> 2), tcache); + } + /* + * Reduce fill count by 2X. Limit lg_fill_div such that the + * fill count is always at least 1. + */ + if ((tbin_info->ncached_max >> (tbin->lg_fill_div+1)) >= 1) + tbin->lg_fill_div++; + } else if (tbin->low_water < 0) { + /* + * Increase fill count by 2X. Make sure lg_fill_div stays + * greater than 0. + */ + if (tbin->lg_fill_div > 1) + tbin->lg_fill_div--; + } + tbin->low_water = tbin->ncached; + + tcache->next_gc_bin++; + if (tcache->next_gc_bin == nhbins) + tcache->next_gc_bin = 0; + tcache->ev_cnt = 0; +} + +void * +tcache_alloc_small_hard(tcache_t *tcache, tcache_bin_t *tbin, size_t binind) +{ + void *ret; + + arena_tcache_fill_small(tcache->arena, tbin, binind, + config_prof ? tcache->prof_accumbytes : 0); + if (config_prof) + tcache->prof_accumbytes = 0; + ret = tcache_alloc_easy(tbin); + + return (ret); +} + +void +tcache_bin_flush_small(tcache_bin_t *tbin, size_t binind, unsigned rem, + tcache_t *tcache) +{ + void *ptr; + unsigned i, nflush, ndeferred; + bool merged_stats = false; + + assert(binind < NBINS); + assert(rem <= tbin->ncached); + + for (nflush = tbin->ncached - rem; nflush > 0; nflush = ndeferred) { + /* Lock the arena bin associated with the first object. */ + arena_chunk_t *chunk = (arena_chunk_t *)CHUNK_ADDR2BASE( + tbin->avail[0]); + arena_t *arena = chunk->arena; + arena_bin_t *bin = &arena->bins[binind]; + + if (config_prof && arena == tcache->arena) { + malloc_mutex_lock(&arena->lock); + arena_prof_accum(arena, tcache->prof_accumbytes); + malloc_mutex_unlock(&arena->lock); + tcache->prof_accumbytes = 0; + } + + malloc_mutex_lock(&bin->lock); + if (config_stats && arena == tcache->arena) { + assert(merged_stats == false); + merged_stats = true; + bin->stats.nflushes++; + bin->stats.nrequests += tbin->tstats.nrequests; + tbin->tstats.nrequests = 0; + } + ndeferred = 0; + for (i = 0; i < nflush; i++) { + ptr = tbin->avail[i]; + assert(ptr != NULL); + chunk = (arena_chunk_t *)CHUNK_ADDR2BASE(ptr); + if (chunk->arena == arena) { + size_t pageind = ((uintptr_t)ptr - + (uintptr_t)chunk) >> LG_PAGE; + arena_chunk_map_t *mapelm = + arena_mapp_get(chunk, pageind); + if (config_fill && opt_junk) { + arena_alloc_junk_small(ptr, + &arena_bin_info[binind], true); + } + arena_dalloc_bin_locked(arena, chunk, ptr, + mapelm); + } else { + /* + * This object was allocated via a different + * arena bin than the one that is currently + * locked. Stash the object, so that it can be + * handled in a future pass. + */ + tbin->avail[ndeferred] = ptr; + ndeferred++; + } + } + malloc_mutex_unlock(&bin->lock); + } + if (config_stats && merged_stats == false) { + /* + * The flush loop didn't happen to flush to this thread's + * arena, so the stats didn't get merged. Manually do so now. + */ + arena_bin_t *bin = &tcache->arena->bins[binind]; + malloc_mutex_lock(&bin->lock); + bin->stats.nflushes++; + bin->stats.nrequests += tbin->tstats.nrequests; + tbin->tstats.nrequests = 0; + malloc_mutex_unlock(&bin->lock); + } + + memmove(tbin->avail, &tbin->avail[tbin->ncached - rem], + rem * sizeof(void *)); + tbin->ncached = rem; + if ((int)tbin->ncached < tbin->low_water) + tbin->low_water = tbin->ncached; +} + +void +tcache_bin_flush_large(tcache_bin_t *tbin, size_t binind, unsigned rem, + tcache_t *tcache) +{ + void *ptr; + unsigned i, nflush, ndeferred; + bool merged_stats = false; + + assert(binind < nhbins); + assert(rem <= tbin->ncached); + + for (nflush = tbin->ncached - rem; nflush > 0; nflush = ndeferred) { + /* Lock the arena associated with the first object. */ + arena_chunk_t *chunk = (arena_chunk_t *)CHUNK_ADDR2BASE( + tbin->avail[0]); + arena_t *arena = chunk->arena; + + malloc_mutex_lock(&arena->lock); + if ((config_prof || config_stats) && arena == tcache->arena) { + if (config_prof) { + arena_prof_accum(arena, + tcache->prof_accumbytes); + tcache->prof_accumbytes = 0; + } + if (config_stats) { + merged_stats = true; + arena->stats.nrequests_large += + tbin->tstats.nrequests; + arena->stats.lstats[binind - NBINS].nrequests += + tbin->tstats.nrequests; + tbin->tstats.nrequests = 0; + } + } + ndeferred = 0; + for (i = 0; i < nflush; i++) { + ptr = tbin->avail[i]; + assert(ptr != NULL); + chunk = (arena_chunk_t *)CHUNK_ADDR2BASE(ptr); + if (chunk->arena == arena) + arena_dalloc_large_locked(arena, chunk, ptr); + else { + /* + * This object was allocated via a different + * arena than the one that is currently locked. + * Stash the object, so that it can be handled + * in a future pass. + */ + tbin->avail[ndeferred] = ptr; + ndeferred++; + } + } + malloc_mutex_unlock(&arena->lock); + } + if (config_stats && merged_stats == false) { + /* + * The flush loop didn't happen to flush to this thread's + * arena, so the stats didn't get merged. Manually do so now. + */ + arena_t *arena = tcache->arena; + malloc_mutex_lock(&arena->lock); + arena->stats.nrequests_large += tbin->tstats.nrequests; + arena->stats.lstats[binind - NBINS].nrequests += + tbin->tstats.nrequests; + tbin->tstats.nrequests = 0; + malloc_mutex_unlock(&arena->lock); + } + + memmove(tbin->avail, &tbin->avail[tbin->ncached - rem], + rem * sizeof(void *)); + tbin->ncached = rem; + if ((int)tbin->ncached < tbin->low_water) + tbin->low_water = tbin->ncached; +} + +void +tcache_arena_associate(tcache_t *tcache, arena_t *arena) +{ + + if (config_stats) { + /* Link into list of extant tcaches. */ + malloc_mutex_lock(&arena->lock); + ql_elm_new(tcache, link); + ql_tail_insert(&arena->tcache_ql, tcache, link); + malloc_mutex_unlock(&arena->lock); + } + tcache->arena = arena; +} + +void +tcache_arena_dissociate(tcache_t *tcache) +{ + + if (config_stats) { + /* Unlink from list of extant tcaches. */ + malloc_mutex_lock(&tcache->arena->lock); + ql_remove(&tcache->arena->tcache_ql, tcache, link); + malloc_mutex_unlock(&tcache->arena->lock); + tcache_stats_merge(tcache, tcache->arena); + } +} + +tcache_t * +tcache_create(arena_t *arena) +{ + tcache_t *tcache; + size_t size, stack_offset; + unsigned i; + + size = offsetof(tcache_t, tbins) + (sizeof(tcache_bin_t) * nhbins); + /* Naturally align the pointer stacks. */ + size = PTR_CEILING(size); + stack_offset = size; + size += stack_nelms * sizeof(void *); + /* + * Round up to the nearest multiple of the cacheline size, in order to + * avoid the possibility of false cacheline sharing. + * + * That this works relies on the same logic as in ipalloc(), but we + * cannot directly call ipalloc() here due to tcache bootstrapping + * issues. + */ + size = (size + CACHELINE_MASK) & (-CACHELINE); + + if (size <= SMALL_MAXCLASS) + tcache = (tcache_t *)arena_malloc_small(arena, size, true); + else if (size <= tcache_maxclass) + tcache = (tcache_t *)arena_malloc_large(arena, size, true); + else + tcache = (tcache_t *)icallocx(size, false, arena); + + if (tcache == NULL) + return (NULL); + + tcache_arena_associate(tcache, arena); + + assert((TCACHE_NSLOTS_SMALL_MAX & 1U) == 0); + for (i = 0; i < nhbins; i++) { + tcache->tbins[i].lg_fill_div = 1; + tcache->tbins[i].avail = (void **)((uintptr_t)tcache + + (uintptr_t)stack_offset); + stack_offset += tcache_bin_info[i].ncached_max * sizeof(void *); + } + + tcache_tsd_set(&tcache); + + return (tcache); +} + +void +tcache_destroy(tcache_t *tcache) +{ + unsigned i; + size_t tcache_size; + + tcache_arena_dissociate(tcache); + + for (i = 0; i < NBINS; i++) { + tcache_bin_t *tbin = &tcache->tbins[i]; + tcache_bin_flush_small(tbin, i, 0, tcache); + + if (config_stats && tbin->tstats.nrequests != 0) { + arena_t *arena = tcache->arena; + arena_bin_t *bin = &arena->bins[i]; + malloc_mutex_lock(&bin->lock); + bin->stats.nrequests += tbin->tstats.nrequests; + malloc_mutex_unlock(&bin->lock); + } + } + + for (; i < nhbins; i++) { + tcache_bin_t *tbin = &tcache->tbins[i]; + tcache_bin_flush_large(tbin, i, 0, tcache); + + if (config_stats && tbin->tstats.nrequests != 0) { + arena_t *arena = tcache->arena; + malloc_mutex_lock(&arena->lock); + arena->stats.nrequests_large += tbin->tstats.nrequests; + arena->stats.lstats[i - NBINS].nrequests += + tbin->tstats.nrequests; + malloc_mutex_unlock(&arena->lock); + } + } + + if (config_prof && tcache->prof_accumbytes > 0) { + malloc_mutex_lock(&tcache->arena->lock); + arena_prof_accum(tcache->arena, tcache->prof_accumbytes); + malloc_mutex_unlock(&tcache->arena->lock); + } + + tcache_size = arena_salloc(tcache, false); + if (tcache_size <= SMALL_MAXCLASS) { + arena_chunk_t *chunk = CHUNK_ADDR2BASE(tcache); + arena_t *arena = chunk->arena; + size_t pageind = ((uintptr_t)tcache - (uintptr_t)chunk) >> + LG_PAGE; + arena_chunk_map_t *mapelm = arena_mapp_get(chunk, pageind); + + arena_dalloc_bin(arena, chunk, tcache, pageind, mapelm); + } else if (tcache_size <= tcache_maxclass) { + arena_chunk_t *chunk = CHUNK_ADDR2BASE(tcache); + arena_t *arena = chunk->arena; + + arena_dalloc_large(arena, chunk, tcache); + } else + idallocx(tcache, false); +} + +void +tcache_thread_cleanup(void *arg) +{ + tcache_t *tcache = *(tcache_t **)arg; + + if (tcache == TCACHE_STATE_DISABLED) { + /* Do nothing. */ + } else if (tcache == TCACHE_STATE_REINCARNATED) { + /* + * Another destructor called an allocator function after this + * destructor was called. Reset tcache to + * TCACHE_STATE_PURGATORY in order to receive another callback. + */ + tcache = TCACHE_STATE_PURGATORY; + tcache_tsd_set(&tcache); + } else if (tcache == TCACHE_STATE_PURGATORY) { + /* + * The previous time this destructor was called, we set the key + * to TCACHE_STATE_PURGATORY so that other destructors wouldn't + * cause re-creation of the tcache. This time, do nothing, so + * that the destructor will not be called again. + */ + } else if (tcache != NULL) { + assert(tcache != TCACHE_STATE_PURGATORY); + tcache_destroy(tcache); + tcache = TCACHE_STATE_PURGATORY; + tcache_tsd_set(&tcache); + } +} + +void +tcache_stats_merge(tcache_t *tcache, arena_t *arena) +{ + unsigned i; + + /* Merge and reset tcache stats. */ + for (i = 0; i < NBINS; i++) { + arena_bin_t *bin = &arena->bins[i]; + tcache_bin_t *tbin = &tcache->tbins[i]; + malloc_mutex_lock(&bin->lock); + bin->stats.nrequests += tbin->tstats.nrequests; + malloc_mutex_unlock(&bin->lock); + tbin->tstats.nrequests = 0; + } + + for (; i < nhbins; i++) { + malloc_large_stats_t *lstats = &arena->stats.lstats[i - NBINS]; + tcache_bin_t *tbin = &tcache->tbins[i]; + arena->stats.nrequests_large += tbin->tstats.nrequests; + lstats->nrequests += tbin->tstats.nrequests; + tbin->tstats.nrequests = 0; + } +} + +bool +tcache_boot0(void) +{ + unsigned i; + + /* + * If necessary, clamp opt_lg_tcache_max, now that arena_maxclass is + * known. + */ + if (opt_lg_tcache_max < 0 || (1U << opt_lg_tcache_max) < SMALL_MAXCLASS) + tcache_maxclass = SMALL_MAXCLASS; + else if ((1U << opt_lg_tcache_max) > arena_maxclass) + tcache_maxclass = arena_maxclass; + else + tcache_maxclass = (1U << opt_lg_tcache_max); + + nhbins = NBINS + (tcache_maxclass >> LG_PAGE); + + /* Initialize tcache_bin_info. */ + tcache_bin_info = (tcache_bin_info_t *)base_alloc(nhbins * + sizeof(tcache_bin_info_t)); + if (tcache_bin_info == NULL) + return (true); + stack_nelms = 0; + for (i = 0; i < NBINS; i++) { + if ((arena_bin_info[i].nregs << 1) <= TCACHE_NSLOTS_SMALL_MAX) { + tcache_bin_info[i].ncached_max = + (arena_bin_info[i].nregs << 1); + } else { + tcache_bin_info[i].ncached_max = + TCACHE_NSLOTS_SMALL_MAX; + } + stack_nelms += tcache_bin_info[i].ncached_max; + } + for (; i < nhbins; i++) { + tcache_bin_info[i].ncached_max = TCACHE_NSLOTS_LARGE; + stack_nelms += tcache_bin_info[i].ncached_max; + } + + return (false); +} + +bool +tcache_boot1(void) +{ + + if (tcache_tsd_boot() || tcache_enabled_tsd_boot()) + return (true); + + return (false); +} diff --git a/deps/jemalloc/src/tsd.c b/deps/jemalloc/src/tsd.c new file mode 100644 index 0000000..961a546 --- /dev/null +++ b/deps/jemalloc/src/tsd.c @@ -0,0 +1,107 @@ +#define JEMALLOC_TSD_C_ +#include "jemalloc/internal/jemalloc_internal.h" + +/******************************************************************************/ +/* Data. */ + +static unsigned ncleanups; +static malloc_tsd_cleanup_t cleanups[MALLOC_TSD_CLEANUPS_MAX]; + +/******************************************************************************/ + +void * +malloc_tsd_malloc(size_t size) +{ + + /* Avoid choose_arena() in order to dodge bootstrapping issues. */ + return (arena_malloc(arenas[0], size, false, false)); +} + +void +malloc_tsd_dalloc(void *wrapper) +{ + + idalloc(wrapper); +} + +void +malloc_tsd_no_cleanup(void *arg) +{ + + not_reached(); +} + +#if defined(JEMALLOC_MALLOC_THREAD_CLEANUP) || defined(_WIN32) +#ifndef _WIN32 +JEMALLOC_EXPORT +#endif +void +_malloc_thread_cleanup(void) +{ + bool pending[MALLOC_TSD_CLEANUPS_MAX], again; + unsigned i; + + for (i = 0; i < ncleanups; i++) + pending[i] = true; + + do { + again = false; + for (i = 0; i < ncleanups; i++) { + if (pending[i]) { + pending[i] = cleanups[i](); + if (pending[i]) + again = true; + } + } + } while (again); +} +#endif + +void +malloc_tsd_cleanup_register(bool (*f)(void)) +{ + + assert(ncleanups < MALLOC_TSD_CLEANUPS_MAX); + cleanups[ncleanups] = f; + ncleanups++; +} + +void +malloc_tsd_boot(void) +{ + + ncleanups = 0; +} + +#ifdef _WIN32 +static BOOL WINAPI +_tls_callback(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved) +{ + + switch (fdwReason) { +#ifdef JEMALLOC_LAZY_LOCK + case DLL_THREAD_ATTACH: + isthreaded = true; + break; +#endif + case DLL_THREAD_DETACH: + _malloc_thread_cleanup(); + break; + default: + break; + } + return (true); +} + +#ifdef _MSC_VER +# ifdef _M_IX86 +# pragma comment(linker, "/INCLUDE:__tls_used") +# else +# pragma comment(linker, "/INCLUDE:_tls_used") +# endif +# pragma section(".CRT$XLY",long,read) +#endif +JEMALLOC_SECTION(".CRT$XLY") JEMALLOC_ATTR(used) +static const BOOL (WINAPI *tls_callback)(HINSTANCE hinstDLL, + DWORD fdwReason, LPVOID lpvReserved) = _tls_callback; +#endif diff --git a/deps/jemalloc/src/util.c b/deps/jemalloc/src/util.c new file mode 100644 index 0000000..b3a0114 --- /dev/null +++ b/deps/jemalloc/src/util.c @@ -0,0 +1,641 @@ +#define assert(e) do { \ + if (config_debug && !(e)) { \ + malloc_write(": Failed assertion\n"); \ + abort(); \ + } \ +} while (0) + +#define not_reached() do { \ + if (config_debug) { \ + malloc_write(": Unreachable code reached\n"); \ + abort(); \ + } \ +} while (0) + +#define not_implemented() do { \ + if (config_debug) { \ + malloc_write(": Not implemented\n"); \ + abort(); \ + } \ +} while (0) + +#define JEMALLOC_UTIL_C_ +#include "jemalloc/internal/jemalloc_internal.h" + +/******************************************************************************/ +/* Function prototypes for non-inline static functions. */ + +static void wrtmessage(void *cbopaque, const char *s); +#define U2S_BUFSIZE ((1U << (LG_SIZEOF_INTMAX_T + 3)) + 1) +static char *u2s(uintmax_t x, unsigned base, bool uppercase, char *s, + size_t *slen_p); +#define D2S_BUFSIZE (1 + U2S_BUFSIZE) +static char *d2s(intmax_t x, char sign, char *s, size_t *slen_p); +#define O2S_BUFSIZE (1 + U2S_BUFSIZE) +static char *o2s(uintmax_t x, bool alt_form, char *s, size_t *slen_p); +#define X2S_BUFSIZE (2 + U2S_BUFSIZE) +static char *x2s(uintmax_t x, bool alt_form, bool uppercase, char *s, + size_t *slen_p); + +/******************************************************************************/ + +/* malloc_message() setup. */ +static void +wrtmessage(void *cbopaque, const char *s) +{ + +#ifdef SYS_write + /* + * Use syscall(2) rather than write(2) when possible in order to avoid + * the possibility of memory allocation within libc. This is necessary + * on FreeBSD; most operating systems do not have this problem though. + */ + UNUSED int result = syscall(SYS_write, STDERR_FILENO, s, strlen(s)); +#else + UNUSED int result = write(STDERR_FILENO, s, strlen(s)); +#endif +} + +JEMALLOC_EXPORT void (*je_malloc_message)(void *, const char *s); + +/* + * Wrapper around malloc_message() that avoids the need for + * je_malloc_message(...) throughout the code. + */ +void +malloc_write(const char *s) +{ + + if (je_malloc_message != NULL) + je_malloc_message(NULL, s); + else + wrtmessage(NULL, s); +} + +/* + * glibc provides a non-standard strerror_r() when _GNU_SOURCE is defined, so + * provide a wrapper. + */ +int +buferror(char *buf, size_t buflen) +{ + +#ifdef _WIN32 + FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM, NULL, GetLastError(), 0, + (LPSTR)buf, buflen, NULL); + return (0); +#elif defined(_GNU_SOURCE) + char *b = strerror_r(errno, buf, buflen); + if (b != buf) { + strncpy(buf, b, buflen); + buf[buflen-1] = '\0'; + } + return (0); +#else + return (strerror_r(errno, buf, buflen)); +#endif +} + +uintmax_t +malloc_strtoumax(const char *nptr, char **endptr, int base) +{ + uintmax_t ret, digit; + int b; + bool neg; + const char *p, *ns; + + if (base < 0 || base == 1 || base > 36) { + set_errno(EINVAL); + return (UINTMAX_MAX); + } + b = base; + + /* Swallow leading whitespace and get sign, if any. */ + neg = false; + p = nptr; + while (true) { + switch (*p) { + case '\t': case '\n': case '\v': case '\f': case '\r': case ' ': + p++; + break; + case '-': + neg = true; + /* Fall through. */ + case '+': + p++; + /* Fall through. */ + default: + goto label_prefix; + } + } + + /* Get prefix, if any. */ + label_prefix: + /* + * Note where the first non-whitespace/sign character is so that it is + * possible to tell whether any digits are consumed (e.g., " 0" vs. + * " -x"). + */ + ns = p; + if (*p == '0') { + switch (p[1]) { + case '0': case '1': case '2': case '3': case '4': case '5': + case '6': case '7': + if (b == 0) + b = 8; + if (b == 8) + p++; + break; + case 'x': + switch (p[2]) { + case '0': case '1': case '2': case '3': case '4': + case '5': case '6': case '7': case '8': case '9': + case 'A': case 'B': case 'C': case 'D': case 'E': + case 'F': + case 'a': case 'b': case 'c': case 'd': case 'e': + case 'f': + if (b == 0) + b = 16; + if (b == 16) + p += 2; + break; + default: + break; + } + break; + default: + break; + } + } + if (b == 0) + b = 10; + + /* Convert. */ + ret = 0; + while ((*p >= '0' && *p <= '9' && (digit = *p - '0') < b) + || (*p >= 'A' && *p <= 'Z' && (digit = 10 + *p - 'A') < b) + || (*p >= 'a' && *p <= 'z' && (digit = 10 + *p - 'a') < b)) { + uintmax_t pret = ret; + ret *= b; + ret += digit; + if (ret < pret) { + /* Overflow. */ + set_errno(ERANGE); + return (UINTMAX_MAX); + } + p++; + } + if (neg) + ret = -ret; + + if (endptr != NULL) { + if (p == ns) { + /* No characters were converted. */ + *endptr = (char *)nptr; + } else + *endptr = (char *)p; + } + + return (ret); +} + +static char * +u2s(uintmax_t x, unsigned base, bool uppercase, char *s, size_t *slen_p) +{ + unsigned i; + + i = U2S_BUFSIZE - 1; + s[i] = '\0'; + switch (base) { + case 10: + do { + i--; + s[i] = "0123456789"[x % (uint64_t)10]; + x /= (uint64_t)10; + } while (x > 0); + break; + case 16: { + const char *digits = (uppercase) + ? "0123456789ABCDEF" + : "0123456789abcdef"; + + do { + i--; + s[i] = digits[x & 0xf]; + x >>= 4; + } while (x > 0); + break; + } default: { + const char *digits = (uppercase) + ? "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ" + : "0123456789abcdefghijklmnopqrstuvwxyz"; + + assert(base >= 2 && base <= 36); + do { + i--; + s[i] = digits[x % (uint64_t)base]; + x /= (uint64_t)base; + } while (x > 0); + }} + + *slen_p = U2S_BUFSIZE - 1 - i; + return (&s[i]); +} + +static char * +d2s(intmax_t x, char sign, char *s, size_t *slen_p) +{ + bool neg; + + if ((neg = (x < 0))) + x = -x; + s = u2s(x, 10, false, s, slen_p); + if (neg) + sign = '-'; + switch (sign) { + case '-': + if (neg == false) + break; + /* Fall through. */ + case ' ': + case '+': + s--; + (*slen_p)++; + *s = sign; + break; + default: not_reached(); + } + return (s); +} + +static char * +o2s(uintmax_t x, bool alt_form, char *s, size_t *slen_p) +{ + + s = u2s(x, 8, false, s, slen_p); + if (alt_form && *s != '0') { + s--; + (*slen_p)++; + *s = '0'; + } + return (s); +} + +static char * +x2s(uintmax_t x, bool alt_form, bool uppercase, char *s, size_t *slen_p) +{ + + s = u2s(x, 16, uppercase, s, slen_p); + if (alt_form) { + s -= 2; + (*slen_p) += 2; + memcpy(s, uppercase ? "0X" : "0x", 2); + } + return (s); +} + +int +malloc_vsnprintf(char *str, size_t size, const char *format, va_list ap) +{ + int ret; + size_t i; + const char *f; + +#define APPEND_C(c) do { \ + if (i < size) \ + str[i] = (c); \ + i++; \ +} while (0) +#define APPEND_S(s, slen) do { \ + if (i < size) { \ + size_t cpylen = (slen <= size - i) ? slen : size - i; \ + memcpy(&str[i], s, cpylen); \ + } \ + i += slen; \ +} while (0) +#define APPEND_PADDED_S(s, slen, width, left_justify) do { \ + /* Left padding. */ \ + size_t pad_len = (width == -1) ? 0 : ((slen < (size_t)width) ? \ + (size_t)width - slen : 0); \ + if (left_justify == false && pad_len != 0) { \ + size_t j; \ + for (j = 0; j < pad_len; j++) \ + APPEND_C(' '); \ + } \ + /* Value. */ \ + APPEND_S(s, slen); \ + /* Right padding. */ \ + if (left_justify && pad_len != 0) { \ + size_t j; \ + for (j = 0; j < pad_len; j++) \ + APPEND_C(' '); \ + } \ +} while (0) +#define GET_ARG_NUMERIC(val, len) do { \ + switch (len) { \ + case '?': \ + val = va_arg(ap, int); \ + break; \ + case '?' | 0x80: \ + val = va_arg(ap, unsigned int); \ + break; \ + case 'l': \ + val = va_arg(ap, long); \ + break; \ + case 'l' | 0x80: \ + val = va_arg(ap, unsigned long); \ + break; \ + case 'q': \ + val = va_arg(ap, long long); \ + break; \ + case 'q' | 0x80: \ + val = va_arg(ap, unsigned long long); \ + break; \ + case 'j': \ + val = va_arg(ap, intmax_t); \ + break; \ + case 't': \ + val = va_arg(ap, ptrdiff_t); \ + break; \ + case 'z': \ + val = va_arg(ap, ssize_t); \ + break; \ + case 'z' | 0x80: \ + val = va_arg(ap, size_t); \ + break; \ + case 'p': /* Synthetic; used for %p. */ \ + val = va_arg(ap, uintptr_t); \ + break; \ + default: not_reached(); \ + } \ +} while (0) + + i = 0; + f = format; + while (true) { + switch (*f) { + case '\0': goto label_out; + case '%': { + bool alt_form = false; + bool left_justify = false; + bool plus_space = false; + bool plus_plus = false; + int prec = -1; + int width = -1; + unsigned char len = '?'; + + f++; + if (*f == '%') { + /* %% */ + APPEND_C(*f); + break; + } + /* Flags. */ + while (true) { + switch (*f) { + case '#': + assert(alt_form == false); + alt_form = true; + break; + case '-': + assert(left_justify == false); + left_justify = true; + break; + case ' ': + assert(plus_space == false); + plus_space = true; + break; + case '+': + assert(plus_plus == false); + plus_plus = true; + break; + default: goto label_width; + } + f++; + } + /* Width. */ + label_width: + switch (*f) { + case '*': + width = va_arg(ap, int); + f++; + break; + case '0': case '1': case '2': case '3': case '4': + case '5': case '6': case '7': case '8': case '9': { + uintmax_t uwidth; + set_errno(0); + uwidth = malloc_strtoumax(f, (char **)&f, 10); + assert(uwidth != UINTMAX_MAX || get_errno() != + ERANGE); + width = (int)uwidth; + if (*f == '.') { + f++; + goto label_precision; + } else + goto label_length; + break; + } case '.': + f++; + goto label_precision; + default: goto label_length; + } + /* Precision. */ + label_precision: + switch (*f) { + case '*': + prec = va_arg(ap, int); + f++; + break; + case '0': case '1': case '2': case '3': case '4': + case '5': case '6': case '7': case '8': case '9': { + uintmax_t uprec; + set_errno(0); + uprec = malloc_strtoumax(f, (char **)&f, 10); + assert(uprec != UINTMAX_MAX || get_errno() != + ERANGE); + prec = (int)uprec; + break; + } + default: break; + } + /* Length. */ + label_length: + switch (*f) { + case 'l': + f++; + if (*f == 'l') { + len = 'q'; + f++; + } else + len = 'l'; + break; + case 'j': + len = 'j'; + f++; + break; + case 't': + len = 't'; + f++; + break; + case 'z': + len = 'z'; + f++; + break; + default: break; + } + /* Conversion specifier. */ + switch (*f) { + char *s; + size_t slen; + case 'd': case 'i': { + intmax_t val JEMALLOC_CC_SILENCE_INIT(0); + char buf[D2S_BUFSIZE]; + + GET_ARG_NUMERIC(val, len); + s = d2s(val, (plus_plus ? '+' : (plus_space ? + ' ' : '-')), buf, &slen); + APPEND_PADDED_S(s, slen, width, left_justify); + f++; + break; + } case 'o': { + uintmax_t val JEMALLOC_CC_SILENCE_INIT(0); + char buf[O2S_BUFSIZE]; + + GET_ARG_NUMERIC(val, len | 0x80); + s = o2s(val, alt_form, buf, &slen); + APPEND_PADDED_S(s, slen, width, left_justify); + f++; + break; + } case 'u': { + uintmax_t val JEMALLOC_CC_SILENCE_INIT(0); + char buf[U2S_BUFSIZE]; + + GET_ARG_NUMERIC(val, len | 0x80); + s = u2s(val, 10, false, buf, &slen); + APPEND_PADDED_S(s, slen, width, left_justify); + f++; + break; + } case 'x': case 'X': { + uintmax_t val JEMALLOC_CC_SILENCE_INIT(0); + char buf[X2S_BUFSIZE]; + + GET_ARG_NUMERIC(val, len | 0x80); + s = x2s(val, alt_form, *f == 'X', buf, &slen); + APPEND_PADDED_S(s, slen, width, left_justify); + f++; + break; + } case 'c': { + unsigned char val; + char buf[2]; + + assert(len == '?' || len == 'l'); + assert_not_implemented(len != 'l'); + val = va_arg(ap, int); + buf[0] = val; + buf[1] = '\0'; + APPEND_PADDED_S(buf, 1, width, left_justify); + f++; + break; + } case 's': + assert(len == '?' || len == 'l'); + assert_not_implemented(len != 'l'); + s = va_arg(ap, char *); + slen = (prec == -1) ? strlen(s) : prec; + APPEND_PADDED_S(s, slen, width, left_justify); + f++; + break; + case 'p': { + uintmax_t val; + char buf[X2S_BUFSIZE]; + + GET_ARG_NUMERIC(val, 'p'); + s = x2s(val, true, false, buf, &slen); + APPEND_PADDED_S(s, slen, width, left_justify); + f++; + break; + } + default: not_implemented(); + } + break; + } default: { + APPEND_C(*f); + f++; + break; + }} + } + label_out: + if (i < size) + str[i] = '\0'; + else + str[size - 1] = '\0'; + ret = i; + +#undef APPEND_C +#undef APPEND_S +#undef APPEND_PADDED_S +#undef GET_ARG_NUMERIC + return (ret); +} + +JEMALLOC_ATTR(format(printf, 3, 4)) +int +malloc_snprintf(char *str, size_t size, const char *format, ...) +{ + int ret; + va_list ap; + + va_start(ap, format); + ret = malloc_vsnprintf(str, size, format, ap); + va_end(ap); + + return (ret); +} + +void +malloc_vcprintf(void (*write_cb)(void *, const char *), void *cbopaque, + const char *format, va_list ap) +{ + char buf[MALLOC_PRINTF_BUFSIZE]; + + if (write_cb == NULL) { + /* + * The caller did not provide an alternate write_cb callback + * function, so use the default one. malloc_write() is an + * inline function, so use malloc_message() directly here. + */ + write_cb = (je_malloc_message != NULL) ? je_malloc_message : + wrtmessage; + cbopaque = NULL; + } + + malloc_vsnprintf(buf, sizeof(buf), format, ap); + write_cb(cbopaque, buf); +} + +/* + * Print to a callback function in such a way as to (hopefully) avoid memory + * allocation. + */ +JEMALLOC_ATTR(format(printf, 3, 4)) +void +malloc_cprintf(void (*write_cb)(void *, const char *), void *cbopaque, + const char *format, ...) +{ + va_list ap; + + va_start(ap, format); + malloc_vcprintf(write_cb, cbopaque, format, ap); + va_end(ap); +} + +/* Print to stderr in such a way as to avoid memory allocation. */ +JEMALLOC_ATTR(format(printf, 1, 2)) +void +malloc_printf(const char *format, ...) +{ + va_list ap; + + va_start(ap, format); + malloc_vcprintf(NULL, NULL, format, ap); + va_end(ap); +} diff --git a/deps/jemalloc/src/zone.c b/deps/jemalloc/src/zone.c new file mode 100644 index 0000000..c62c183 --- /dev/null +++ b/deps/jemalloc/src/zone.c @@ -0,0 +1,258 @@ +#include "jemalloc/internal/jemalloc_internal.h" +#ifndef JEMALLOC_ZONE +# error "This source file is for zones on Darwin (OS X)." +#endif + +/* + * The malloc_default_purgeable_zone function is only available on >= 10.6. + * We need to check whether it is present at runtime, thus the weak_import. + */ +extern malloc_zone_t *malloc_default_purgeable_zone(void) +JEMALLOC_ATTR(weak_import); + +/******************************************************************************/ +/* Data. */ + +static malloc_zone_t zone; +static struct malloc_introspection_t zone_introspect; + +/******************************************************************************/ +/* Function prototypes for non-inline static functions. */ + +static size_t zone_size(malloc_zone_t *zone, void *ptr); +static void *zone_malloc(malloc_zone_t *zone, size_t size); +static void *zone_calloc(malloc_zone_t *zone, size_t num, size_t size); +static void *zone_valloc(malloc_zone_t *zone, size_t size); +static void zone_free(malloc_zone_t *zone, void *ptr); +static void *zone_realloc(malloc_zone_t *zone, void *ptr, size_t size); +#if (JEMALLOC_ZONE_VERSION >= 5) +static void *zone_memalign(malloc_zone_t *zone, size_t alignment, +#endif +#if (JEMALLOC_ZONE_VERSION >= 6) + size_t size); +static void zone_free_definite_size(malloc_zone_t *zone, void *ptr, + size_t size); +#endif +static void *zone_destroy(malloc_zone_t *zone); +static size_t zone_good_size(malloc_zone_t *zone, size_t size); +static void zone_force_lock(malloc_zone_t *zone); +static void zone_force_unlock(malloc_zone_t *zone); + +/******************************************************************************/ +/* + * Functions. + */ + +static size_t +zone_size(malloc_zone_t *zone, void *ptr) +{ + + /* + * There appear to be places within Darwin (such as setenv(3)) that + * cause calls to this function with pointers that *no* zone owns. If + * we knew that all pointers were owned by *some* zone, we could split + * our zone into two parts, and use one as the default allocator and + * the other as the default deallocator/reallocator. Since that will + * not work in practice, we must check all pointers to assure that they + * reside within a mapped chunk before determining size. + */ + return (ivsalloc(ptr, config_prof)); +} + +static void * +zone_malloc(malloc_zone_t *zone, size_t size) +{ + + return (je_malloc(size)); +} + +static void * +zone_calloc(malloc_zone_t *zone, size_t num, size_t size) +{ + + return (je_calloc(num, size)); +} + +static void * +zone_valloc(malloc_zone_t *zone, size_t size) +{ + void *ret = NULL; /* Assignment avoids useless compiler warning. */ + + je_posix_memalign(&ret, PAGE, size); + + return (ret); +} + +static void +zone_free(malloc_zone_t *zone, void *ptr) +{ + + if (ivsalloc(ptr, config_prof) != 0) { + je_free(ptr); + return; + } + + free(ptr); +} + +static void * +zone_realloc(malloc_zone_t *zone, void *ptr, size_t size) +{ + + if (ivsalloc(ptr, config_prof) != 0) + return (je_realloc(ptr, size)); + + return (realloc(ptr, size)); +} + +#if (JEMALLOC_ZONE_VERSION >= 5) +static void * +zone_memalign(malloc_zone_t *zone, size_t alignment, size_t size) +{ + void *ret = NULL; /* Assignment avoids useless compiler warning. */ + + je_posix_memalign(&ret, alignment, size); + + return (ret); +} +#endif + +#if (JEMALLOC_ZONE_VERSION >= 6) +static void +zone_free_definite_size(malloc_zone_t *zone, void *ptr, size_t size) +{ + + if (ivsalloc(ptr, config_prof) != 0) { + assert(ivsalloc(ptr, config_prof) == size); + je_free(ptr); + return; + } + + free(ptr); +} +#endif + +static void * +zone_destroy(malloc_zone_t *zone) +{ + + /* This function should never be called. */ + assert(false); + return (NULL); +} + +static size_t +zone_good_size(malloc_zone_t *zone, size_t size) +{ + + if (size == 0) + size = 1; + return (s2u(size)); +} + +static void +zone_force_lock(malloc_zone_t *zone) +{ + + if (isthreaded) + jemalloc_prefork(); +} + +static void +zone_force_unlock(malloc_zone_t *zone) +{ + + if (isthreaded) + jemalloc_postfork_parent(); +} + +JEMALLOC_ATTR(constructor) +void +register_zone(void) +{ + + /* + * If something else replaced the system default zone allocator, don't + * register jemalloc's. + */ + malloc_zone_t *default_zone = malloc_default_zone(); + if (!default_zone->zone_name || + strcmp(default_zone->zone_name, "DefaultMallocZone") != 0) { + return; + } + + zone.size = (void *)zone_size; + zone.malloc = (void *)zone_malloc; + zone.calloc = (void *)zone_calloc; + zone.valloc = (void *)zone_valloc; + zone.free = (void *)zone_free; + zone.realloc = (void *)zone_realloc; + zone.destroy = (void *)zone_destroy; + zone.zone_name = "jemalloc_zone"; + zone.batch_malloc = NULL; + zone.batch_free = NULL; + zone.introspect = &zone_introspect; + zone.version = JEMALLOC_ZONE_VERSION; +#if (JEMALLOC_ZONE_VERSION >= 5) + zone.memalign = zone_memalign; +#endif +#if (JEMALLOC_ZONE_VERSION >= 6) + zone.free_definite_size = zone_free_definite_size; +#endif +#if (JEMALLOC_ZONE_VERSION >= 8) + zone.pressure_relief = NULL; +#endif + + zone_introspect.enumerator = NULL; + zone_introspect.good_size = (void *)zone_good_size; + zone_introspect.check = NULL; + zone_introspect.print = NULL; + zone_introspect.log = NULL; + zone_introspect.force_lock = (void *)zone_force_lock; + zone_introspect.force_unlock = (void *)zone_force_unlock; + zone_introspect.statistics = NULL; +#if (JEMALLOC_ZONE_VERSION >= 6) + zone_introspect.zone_locked = NULL; +#endif +#if (JEMALLOC_ZONE_VERSION >= 7) + zone_introspect.enable_discharge_checking = NULL; + zone_introspect.disable_discharge_checking = NULL; + zone_introspect.discharge = NULL; +#ifdef __BLOCKS__ + zone_introspect.enumerate_discharged_pointers = NULL; +#else + zone_introspect.enumerate_unavailable_without_blocks = NULL; +#endif +#endif + + /* + * The default purgeable zone is created lazily by OSX's libc. It uses + * the default zone when it is created for "small" allocations + * (< 15 KiB), but assumes the default zone is a scalable_zone. This + * obviously fails when the default zone is the jemalloc zone, so + * malloc_default_purgeable_zone is called beforehand so that the + * default purgeable zone is created when the default zone is still + * a scalable_zone. As purgeable zones only exist on >= 10.6, we need + * to check for the existence of malloc_default_purgeable_zone() at + * run time. + */ + if (malloc_default_purgeable_zone != NULL) + malloc_default_purgeable_zone(); + + /* Register the custom zone. At this point it won't be the default. */ + malloc_zone_register(&zone); + + /* + * Unregister and reregister the default zone. On OSX >= 10.6, + * unregistering takes the last registered zone and places it at the + * location of the specified zone. Unregistering the default zone thus + * makes the last registered one the default. On OSX < 10.6, + * unregistering shifts all registered zones. The first registered zone + * then becomes the default. + */ + do { + default_zone = malloc_default_zone(); + malloc_zone_unregister(default_zone); + malloc_zone_register(default_zone); + } while (malloc_default_zone() != &zone); +} diff --git a/deps/jemalloc/test/ALLOCM_ARENA.c b/deps/jemalloc/test/ALLOCM_ARENA.c new file mode 100644 index 0000000..1585690 --- /dev/null +++ b/deps/jemalloc/test/ALLOCM_ARENA.c @@ -0,0 +1,66 @@ +#define JEMALLOC_MANGLE +#include "jemalloc_test.h" + +#define NTHREADS 10 + +void * +je_thread_start(void *arg) +{ + unsigned thread_ind = (unsigned)(uintptr_t)arg; + unsigned arena_ind; + int r; + void *p; + size_t rsz, sz; + + sz = sizeof(arena_ind); + if (mallctl("arenas.extend", &arena_ind, &sz, NULL, 0) + != 0) { + malloc_printf("Error in arenas.extend\n"); + abort(); + } + + if (thread_ind % 4 != 3) { + size_t mib[3]; + size_t miblen = sizeof(mib) / sizeof(size_t); + const char *dss_precs[] = {"disabled", "primary", "secondary"}; + const char *dss = dss_precs[thread_ind % 4]; + if (mallctlnametomib("arena.0.dss", mib, &miblen) != 0) { + malloc_printf("Error in mallctlnametomib()\n"); + abort(); + } + mib[1] = arena_ind; + if (mallctlbymib(mib, miblen, NULL, NULL, (void *)&dss, + sizeof(const char *))) { + malloc_printf("Error in mallctlbymib()\n"); + abort(); + } + } + + r = allocm(&p, &rsz, 1, ALLOCM_ARENA(arena_ind)); + if (r != ALLOCM_SUCCESS) { + malloc_printf("Unexpected allocm() error\n"); + abort(); + } + + return (NULL); +} + +int +main(void) +{ + je_thread_t threads[NTHREADS]; + unsigned i; + + malloc_printf("Test begin\n"); + + for (i = 0; i < NTHREADS; i++) { + je_thread_create(&threads[i], je_thread_start, + (void *)(uintptr_t)i); + } + + for (i = 0; i < NTHREADS; i++) + je_thread_join(threads[i], NULL); + + malloc_printf("Test end\n"); + return (0); +} diff --git a/deps/jemalloc/test/ALLOCM_ARENA.exp b/deps/jemalloc/test/ALLOCM_ARENA.exp new file mode 100644 index 0000000..369a88d --- /dev/null +++ b/deps/jemalloc/test/ALLOCM_ARENA.exp @@ -0,0 +1,2 @@ +Test begin +Test end diff --git a/deps/jemalloc/test/aligned_alloc.c b/deps/jemalloc/test/aligned_alloc.c new file mode 100644 index 0000000..5a9b0ca --- /dev/null +++ b/deps/jemalloc/test/aligned_alloc.c @@ -0,0 +1,119 @@ +#define JEMALLOC_MANGLE +#include "jemalloc_test.h" + +#define CHUNK 0x400000 +/* #define MAXALIGN ((size_t)UINT64_C(0x80000000000)) */ +#define MAXALIGN ((size_t)0x2000000LU) +#define NITER 4 + +int +main(void) +{ + size_t alignment, size, total; + unsigned i; + void *p, *ps[NITER]; + + malloc_printf("Test begin\n"); + + /* Test error conditions. */ + alignment = 0; + set_errno(0); + p = aligned_alloc(alignment, 1); + if (p != NULL || get_errno() != EINVAL) { + malloc_printf( + "Expected error for invalid alignment %zu\n", alignment); + } + + for (alignment = sizeof(size_t); alignment < MAXALIGN; + alignment <<= 1) { + set_errno(0); + p = aligned_alloc(alignment + 1, 1); + if (p != NULL || get_errno() != EINVAL) { + malloc_printf( + "Expected error for invalid alignment %zu\n", + alignment + 1); + } + } + +#if LG_SIZEOF_PTR == 3 + alignment = UINT64_C(0x8000000000000000); + size = UINT64_C(0x8000000000000000); +#else + alignment = 0x80000000LU; + size = 0x80000000LU; +#endif + set_errno(0); + p = aligned_alloc(alignment, size); + if (p != NULL || get_errno() != ENOMEM) { + malloc_printf( + "Expected error for aligned_alloc(%zu, %zu)\n", + alignment, size); + } + +#if LG_SIZEOF_PTR == 3 + alignment = UINT64_C(0x4000000000000000); + size = UINT64_C(0x8400000000000001); +#else + alignment = 0x40000000LU; + size = 0x84000001LU; +#endif + set_errno(0); + p = aligned_alloc(alignment, size); + if (p != NULL || get_errno() != ENOMEM) { + malloc_printf( + "Expected error for aligned_alloc(%zu, %zu)\n", + alignment, size); + } + + alignment = 0x10LU; +#if LG_SIZEOF_PTR == 3 + size = UINT64_C(0xfffffffffffffff0); +#else + size = 0xfffffff0LU; +#endif + set_errno(0); + p = aligned_alloc(alignment, size); + if (p != NULL || get_errno() != ENOMEM) { + malloc_printf( + "Expected error for aligned_alloc(&p, %zu, %zu)\n", + alignment, size); + } + + for (i = 0; i < NITER; i++) + ps[i] = NULL; + + for (alignment = 8; + alignment <= MAXALIGN; + alignment <<= 1) { + total = 0; + malloc_printf("Alignment: %zu\n", alignment); + for (size = 1; + size < 3 * alignment && size < (1U << 31); + size += (alignment >> (LG_SIZEOF_PTR-1)) - 1) { + for (i = 0; i < NITER; i++) { + ps[i] = aligned_alloc(alignment, size); + if (ps[i] == NULL) { + char buf[BUFERROR_BUF]; + + buferror(buf, sizeof(buf)); + malloc_printf( + "Error for size %zu (%#zx): %s\n", + size, size, buf); + exit(1); + } + total += malloc_usable_size(ps[i]); + if (total >= (MAXALIGN << 1)) + break; + } + for (i = 0; i < NITER; i++) { + if (ps[i] != NULL) { + free(ps[i]); + ps[i] = NULL; + } + } + } + } + + malloc_printf("Test end\n"); + return (0); +} diff --git a/deps/jemalloc/test/aligned_alloc.exp b/deps/jemalloc/test/aligned_alloc.exp new file mode 100644 index 0000000..b5061c7 --- /dev/null +++ b/deps/jemalloc/test/aligned_alloc.exp @@ -0,0 +1,25 @@ +Test begin +Alignment: 8 +Alignment: 16 +Alignment: 32 +Alignment: 64 +Alignment: 128 +Alignment: 256 +Alignment: 512 +Alignment: 1024 +Alignment: 2048 +Alignment: 4096 +Alignment: 8192 +Alignment: 16384 +Alignment: 32768 +Alignment: 65536 +Alignment: 131072 +Alignment: 262144 +Alignment: 524288 +Alignment: 1048576 +Alignment: 2097152 +Alignment: 4194304 +Alignment: 8388608 +Alignment: 16777216 +Alignment: 33554432 +Test end diff --git a/deps/jemalloc/test/allocated.c b/deps/jemalloc/test/allocated.c new file mode 100644 index 0000000..9884905 --- /dev/null +++ b/deps/jemalloc/test/allocated.c @@ -0,0 +1,118 @@ +#define JEMALLOC_MANGLE +#include "jemalloc_test.h" + +void * +je_thread_start(void *arg) +{ + int err; + void *p; + uint64_t a0, a1, d0, d1; + uint64_t *ap0, *ap1, *dp0, *dp1; + size_t sz, usize; + + sz = sizeof(a0); + if ((err = mallctl("thread.allocated", &a0, &sz, NULL, 0))) { + if (err == ENOENT) { +#ifdef JEMALLOC_STATS + assert(false); +#endif + goto label_return; + } + malloc_printf("%s(): Error in mallctl(): %s\n", __func__, + strerror(err)); + exit(1); + } + sz = sizeof(ap0); + if ((err = mallctl("thread.allocatedp", &ap0, &sz, NULL, 0))) { + if (err == ENOENT) { +#ifdef JEMALLOC_STATS + assert(false); +#endif + goto label_return; + } + malloc_printf("%s(): Error in mallctl(): %s\n", __func__, + strerror(err)); + exit(1); + } + assert(*ap0 == a0); + + sz = sizeof(d0); + if ((err = mallctl("thread.deallocated", &d0, &sz, NULL, 0))) { + if (err == ENOENT) { +#ifdef JEMALLOC_STATS + assert(false); +#endif + goto label_return; + } + malloc_printf("%s(): Error in mallctl(): %s\n", __func__, + strerror(err)); + exit(1); + } + sz = sizeof(dp0); + if ((err = mallctl("thread.deallocatedp", &dp0, &sz, NULL, 0))) { + if (err == ENOENT) { +#ifdef JEMALLOC_STATS + assert(false); +#endif + goto label_return; + } + malloc_printf("%s(): Error in mallctl(): %s\n", __func__, + strerror(err)); + exit(1); + } + assert(*dp0 == d0); + + p = malloc(1); + if (p == NULL) { + malloc_printf("%s(): Error in malloc()\n", __func__); + exit(1); + } + + sz = sizeof(a1); + mallctl("thread.allocated", &a1, &sz, NULL, 0); + sz = sizeof(ap1); + mallctl("thread.allocatedp", &ap1, &sz, NULL, 0); + assert(*ap1 == a1); + assert(ap0 == ap1); + + usize = malloc_usable_size(p); + assert(a0 + usize <= a1); + + free(p); + + sz = sizeof(d1); + mallctl("thread.deallocated", &d1, &sz, NULL, 0); + sz = sizeof(dp1); + mallctl("thread.deallocatedp", &dp1, &sz, NULL, 0); + assert(*dp1 == d1); + assert(dp0 == dp1); + + assert(d0 + usize <= d1); + +label_return: + return (NULL); +} + +int +main(void) +{ + int ret = 0; + je_thread_t thread; + + malloc_printf("Test begin\n"); + + je_thread_start(NULL); + + je_thread_create(&thread, je_thread_start, NULL); + je_thread_join(thread, (void *)&ret); + + je_thread_start(NULL); + + je_thread_create(&thread, je_thread_start, NULL); + je_thread_join(thread, (void *)&ret); + + je_thread_start(NULL); + + malloc_printf("Test end\n"); + return (ret); +} diff --git a/deps/jemalloc/test/allocated.exp b/deps/jemalloc/test/allocated.exp new file mode 100644 index 0000000..369a88d --- /dev/null +++ b/deps/jemalloc/test/allocated.exp @@ -0,0 +1,2 @@ +Test begin +Test end diff --git a/deps/jemalloc/test/allocm.c b/deps/jemalloc/test/allocm.c new file mode 100644 index 0000000..80be673 --- /dev/null +++ b/deps/jemalloc/test/allocm.c @@ -0,0 +1,194 @@ +#define JEMALLOC_MANGLE +#include "jemalloc_test.h" + +#define CHUNK 0x400000 +/* #define MAXALIGN ((size_t)UINT64_C(0x80000000000)) */ +#define MAXALIGN ((size_t)0x2000000LU) +#define NITER 4 + +int +main(void) +{ + int r; + void *p; + size_t nsz, rsz, sz, alignment, total; + unsigned i; + void *ps[NITER]; + + malloc_printf("Test begin\n"); + + sz = 42; + nsz = 0; + r = nallocm(&nsz, sz, 0); + if (r != ALLOCM_SUCCESS) { + malloc_printf("Unexpected nallocm() error\n"); + abort(); + } + rsz = 0; + r = allocm(&p, &rsz, sz, 0); + if (r != ALLOCM_SUCCESS) { + malloc_printf("Unexpected allocm() error\n"); + abort(); + } + if (rsz < sz) + malloc_printf("Real size smaller than expected\n"); + if (nsz != rsz) + malloc_printf("nallocm()/allocm() rsize mismatch\n"); + if (dallocm(p, 0) != ALLOCM_SUCCESS) + malloc_printf("Unexpected dallocm() error\n"); + + r = allocm(&p, NULL, sz, 0); + if (r != ALLOCM_SUCCESS) { + malloc_printf("Unexpected allocm() error\n"); + abort(); + } + if (dallocm(p, 0) != ALLOCM_SUCCESS) + malloc_printf("Unexpected dallocm() error\n"); + + nsz = 0; + r = nallocm(&nsz, sz, ALLOCM_ZERO); + if (r != ALLOCM_SUCCESS) { + malloc_printf("Unexpected nallocm() error\n"); + abort(); + } + rsz = 0; + r = allocm(&p, &rsz, sz, ALLOCM_ZERO); + if (r != ALLOCM_SUCCESS) { + malloc_printf("Unexpected allocm() error\n"); + abort(); + } + if (nsz != rsz) + malloc_printf("nallocm()/allocm() rsize mismatch\n"); + if (dallocm(p, 0) != ALLOCM_SUCCESS) + malloc_printf("Unexpected dallocm() error\n"); + +#if LG_SIZEOF_PTR == 3 + alignment = UINT64_C(0x8000000000000000); + sz = UINT64_C(0x8000000000000000); +#else + alignment = 0x80000000LU; + sz = 0x80000000LU; +#endif + nsz = 0; + r = nallocm(&nsz, sz, ALLOCM_ALIGN(alignment)); + if (r == ALLOCM_SUCCESS) { + malloc_printf( + "Expected error for nallocm(&nsz, %zu, %#x)\n", + sz, ALLOCM_ALIGN(alignment)); + } + rsz = 0; + r = allocm(&p, &rsz, sz, ALLOCM_ALIGN(alignment)); + if (r == ALLOCM_SUCCESS) { + malloc_printf( + "Expected error for allocm(&p, %zu, %#x)\n", + sz, ALLOCM_ALIGN(alignment)); + } + if (nsz != rsz) + malloc_printf("nallocm()/allocm() rsize mismatch\n"); + +#if LG_SIZEOF_PTR == 3 + alignment = UINT64_C(0x4000000000000000); + sz = UINT64_C(0x8400000000000001); +#else + alignment = 0x40000000LU; + sz = 0x84000001LU; +#endif + nsz = 0; + r = nallocm(&nsz, sz, ALLOCM_ALIGN(alignment)); + if (r != ALLOCM_SUCCESS) + malloc_printf("Unexpected nallocm() error\n"); + rsz = 0; + r = allocm(&p, &rsz, sz, ALLOCM_ALIGN(alignment)); + if (r == ALLOCM_SUCCESS) { + malloc_printf( + "Expected error for allocm(&p, %zu, %#x)\n", + sz, ALLOCM_ALIGN(alignment)); + } + + alignment = 0x10LU; +#if LG_SIZEOF_PTR == 3 + sz = UINT64_C(0xfffffffffffffff0); +#else + sz = 0xfffffff0LU; +#endif + nsz = 0; + r = nallocm(&nsz, sz, ALLOCM_ALIGN(alignment)); + if (r == ALLOCM_SUCCESS) { + malloc_printf( + "Expected error for nallocm(&nsz, %zu, %#x)\n", + sz, ALLOCM_ALIGN(alignment)); + } + rsz = 0; + r = allocm(&p, &rsz, sz, ALLOCM_ALIGN(alignment)); + if (r == ALLOCM_SUCCESS) { + malloc_printf( + "Expected error for allocm(&p, %zu, %#x)\n", + sz, ALLOCM_ALIGN(alignment)); + } + if (nsz != rsz) + malloc_printf("nallocm()/allocm() rsize mismatch\n"); + + for (i = 0; i < NITER; i++) + ps[i] = NULL; + + for (alignment = 8; + alignment <= MAXALIGN; + alignment <<= 1) { + total = 0; + malloc_printf("Alignment: %zu\n", alignment); + for (sz = 1; + sz < 3 * alignment && sz < (1U << 31); + sz += (alignment >> (LG_SIZEOF_PTR-1)) - 1) { + for (i = 0; i < NITER; i++) { + nsz = 0; + r = nallocm(&nsz, sz, + ALLOCM_ALIGN(alignment) | ALLOCM_ZERO); + if (r != ALLOCM_SUCCESS) { + malloc_printf( + "nallocm() error for size %zu" + " (%#zx): %d\n", + sz, sz, r); + exit(1); + } + rsz = 0; + r = allocm(&ps[i], &rsz, sz, + ALLOCM_ALIGN(alignment) | ALLOCM_ZERO); + if (r != ALLOCM_SUCCESS) { + malloc_printf( + "allocm() error for size %zu" + " (%#zx): %d\n", + sz, sz, r); + exit(1); + } + if (rsz < sz) { + malloc_printf( + "Real size smaller than" + " expected\n"); + } + if (nsz != rsz) { + malloc_printf( + "nallocm()/allocm() rsize" + " mismatch\n"); + } + if ((uintptr_t)p & (alignment-1)) { + malloc_printf( + "%p inadequately aligned for" + " alignment: %zu\n", p, alignment); + } + sallocm(ps[i], &rsz, 0); + total += rsz; + if (total >= (MAXALIGN << 1)) + break; + } + for (i = 0; i < NITER; i++) { + if (ps[i] != NULL) { + dallocm(ps[i], 0); + ps[i] = NULL; + } + } + } + } + + malloc_printf("Test end\n"); + return (0); +} diff --git a/deps/jemalloc/test/allocm.exp b/deps/jemalloc/test/allocm.exp new file mode 100644 index 0000000..b5061c7 --- /dev/null +++ b/deps/jemalloc/test/allocm.exp @@ -0,0 +1,25 @@ +Test begin +Alignment: 8 +Alignment: 16 +Alignment: 32 +Alignment: 64 +Alignment: 128 +Alignment: 256 +Alignment: 512 +Alignment: 1024 +Alignment: 2048 +Alignment: 4096 +Alignment: 8192 +Alignment: 16384 +Alignment: 32768 +Alignment: 65536 +Alignment: 131072 +Alignment: 262144 +Alignment: 524288 +Alignment: 1048576 +Alignment: 2097152 +Alignment: 4194304 +Alignment: 8388608 +Alignment: 16777216 +Alignment: 33554432 +Test end diff --git a/deps/jemalloc/test/bitmap.c b/deps/jemalloc/test/bitmap.c new file mode 100644 index 0000000..b2cb630 --- /dev/null +++ b/deps/jemalloc/test/bitmap.c @@ -0,0 +1,153 @@ +#define JEMALLOC_MANGLE +#include "jemalloc_test.h" + +#if (LG_BITMAP_MAXBITS > 12) +# define MAXBITS 4500 +#else +# define MAXBITS (1U << LG_BITMAP_MAXBITS) +#endif + +static void +test_bitmap_size(void) +{ + size_t i, prev_size; + + prev_size = 0; + for (i = 1; i <= MAXBITS; i++) { + size_t size = bitmap_size(i); + assert(size >= prev_size); + prev_size = size; + } +} + +static void +test_bitmap_init(void) +{ + size_t i; + + for (i = 1; i <= MAXBITS; i++) { + bitmap_info_t binfo; + bitmap_info_init(&binfo, i); + { + size_t j; + bitmap_t *bitmap = malloc(sizeof(bitmap_t) * + bitmap_info_ngroups(&binfo)); + bitmap_init(bitmap, &binfo); + + for (j = 0; j < i; j++) + assert(bitmap_get(bitmap, &binfo, j) == false); + free(bitmap); + + } + } +} + +static void +test_bitmap_set(void) +{ + size_t i; + + for (i = 1; i <= MAXBITS; i++) { + bitmap_info_t binfo; + bitmap_info_init(&binfo, i); + { + size_t j; + bitmap_t *bitmap = malloc(sizeof(bitmap_t) * + bitmap_info_ngroups(&binfo)); + bitmap_init(bitmap, &binfo); + + for (j = 0; j < i; j++) + bitmap_set(bitmap, &binfo, j); + assert(bitmap_full(bitmap, &binfo)); + free(bitmap); + } + } +} + +static void +test_bitmap_unset(void) +{ + size_t i; + + for (i = 1; i <= MAXBITS; i++) { + bitmap_info_t binfo; + bitmap_info_init(&binfo, i); + { + size_t j; + bitmap_t *bitmap = malloc(sizeof(bitmap_t) * + bitmap_info_ngroups(&binfo)); + bitmap_init(bitmap, &binfo); + + for (j = 0; j < i; j++) + bitmap_set(bitmap, &binfo, j); + assert(bitmap_full(bitmap, &binfo)); + for (j = 0; j < i; j++) + bitmap_unset(bitmap, &binfo, j); + for (j = 0; j < i; j++) + bitmap_set(bitmap, &binfo, j); + assert(bitmap_full(bitmap, &binfo)); + free(bitmap); + } + } +} + +static void +test_bitmap_sfu(void) +{ + size_t i; + + for (i = 1; i <= MAXBITS; i++) { + bitmap_info_t binfo; + bitmap_info_init(&binfo, i); + { + ssize_t j; + bitmap_t *bitmap = malloc(sizeof(bitmap_t) * + bitmap_info_ngroups(&binfo)); + bitmap_init(bitmap, &binfo); + + /* Iteratively set bits starting at the beginning. */ + for (j = 0; j < i; j++) + assert(bitmap_sfu(bitmap, &binfo) == j); + assert(bitmap_full(bitmap, &binfo)); + + /* + * Iteratively unset bits starting at the end, and + * verify that bitmap_sfu() reaches the unset bits. + */ + for (j = i - 1; j >= 0; j--) { + bitmap_unset(bitmap, &binfo, j); + assert(bitmap_sfu(bitmap, &binfo) == j); + bitmap_unset(bitmap, &binfo, j); + } + assert(bitmap_get(bitmap, &binfo, 0) == false); + + /* + * Iteratively set bits starting at the beginning, and + * verify that bitmap_sfu() looks past them. + */ + for (j = 1; j < i; j++) { + bitmap_set(bitmap, &binfo, j - 1); + assert(bitmap_sfu(bitmap, &binfo) == j); + bitmap_unset(bitmap, &binfo, j); + } + assert(bitmap_sfu(bitmap, &binfo) == i - 1); + assert(bitmap_full(bitmap, &binfo)); + free(bitmap); + } + } +} + +int +main(void) +{ + malloc_printf("Test begin\n"); + + test_bitmap_size(); + test_bitmap_init(); + test_bitmap_set(); + test_bitmap_unset(); + test_bitmap_sfu(); + + malloc_printf("Test end\n"); + return (0); +} diff --git a/deps/jemalloc/test/bitmap.exp b/deps/jemalloc/test/bitmap.exp new file mode 100644 index 0000000..369a88d --- /dev/null +++ b/deps/jemalloc/test/bitmap.exp @@ -0,0 +1,2 @@ +Test begin +Test end diff --git a/deps/jemalloc/test/mremap.c b/deps/jemalloc/test/mremap.c new file mode 100644 index 0000000..47efa7c --- /dev/null +++ b/deps/jemalloc/test/mremap.c @@ -0,0 +1,60 @@ +#define JEMALLOC_MANGLE +#include "jemalloc_test.h" + +int +main(void) +{ + int ret, err; + size_t sz, lg_chunk, chunksize, i; + char *p, *q; + + malloc_printf("Test begin\n"); + + sz = sizeof(lg_chunk); + if ((err = mallctl("opt.lg_chunk", &lg_chunk, &sz, NULL, 0))) { + assert(err != ENOENT); + malloc_printf("%s(): Error in mallctl(): %s\n", __func__, + strerror(err)); + ret = 1; + goto label_return; + } + chunksize = ((size_t)1U) << lg_chunk; + + p = (char *)malloc(chunksize); + if (p == NULL) { + malloc_printf("malloc(%zu) --> %p\n", chunksize, p); + ret = 1; + goto label_return; + } + memset(p, 'a', chunksize); + + q = (char *)realloc(p, chunksize * 2); + if (q == NULL) { + malloc_printf("realloc(%p, %zu) --> %p\n", p, chunksize * 2, + q); + ret = 1; + goto label_return; + } + for (i = 0; i < chunksize; i++) { + assert(q[i] == 'a'); + } + + p = q; + + q = (char *)realloc(p, chunksize); + if (q == NULL) { + malloc_printf("realloc(%p, %zu) --> %p\n", p, chunksize, q); + ret = 1; + goto label_return; + } + for (i = 0; i < chunksize; i++) { + assert(q[i] == 'a'); + } + + free(q); + + ret = 0; +label_return: + malloc_printf("Test end\n"); + return (ret); +} diff --git a/deps/jemalloc/test/mremap.exp b/deps/jemalloc/test/mremap.exp new file mode 100644 index 0000000..369a88d --- /dev/null +++ b/deps/jemalloc/test/mremap.exp @@ -0,0 +1,2 @@ +Test begin +Test end diff --git a/deps/jemalloc/test/posix_memalign.c b/deps/jemalloc/test/posix_memalign.c new file mode 100644 index 0000000..2185bcf --- /dev/null +++ b/deps/jemalloc/test/posix_memalign.c @@ -0,0 +1,115 @@ +#define JEMALLOC_MANGLE +#include "jemalloc_test.h" + +#define CHUNK 0x400000 +/* #define MAXALIGN ((size_t)UINT64_C(0x80000000000)) */ +#define MAXALIGN ((size_t)0x2000000LU) +#define NITER 4 + +int +main(void) +{ + size_t alignment, size, total; + unsigned i; + int err; + void *p, *ps[NITER]; + + malloc_printf("Test begin\n"); + + /* Test error conditions. */ + for (alignment = 0; alignment < sizeof(void *); alignment++) { + err = posix_memalign(&p, alignment, 1); + if (err != EINVAL) { + malloc_printf( + "Expected error for invalid alignment %zu\n", + alignment); + } + } + + for (alignment = sizeof(size_t); alignment < MAXALIGN; + alignment <<= 1) { + err = posix_memalign(&p, alignment + 1, 1); + if (err == 0) { + malloc_printf( + "Expected error for invalid alignment %zu\n", + alignment + 1); + } + } + +#if LG_SIZEOF_PTR == 3 + alignment = UINT64_C(0x8000000000000000); + size = UINT64_C(0x8000000000000000); +#else + alignment = 0x80000000LU; + size = 0x80000000LU; +#endif + err = posix_memalign(&p, alignment, size); + if (err == 0) { + malloc_printf( + "Expected error for posix_memalign(&p, %zu, %zu)\n", + alignment, size); + } + +#if LG_SIZEOF_PTR == 3 + alignment = UINT64_C(0x4000000000000000); + size = UINT64_C(0x8400000000000001); +#else + alignment = 0x40000000LU; + size = 0x84000001LU; +#endif + err = posix_memalign(&p, alignment, size); + if (err == 0) { + malloc_printf( + "Expected error for posix_memalign(&p, %zu, %zu)\n", + alignment, size); + } + + alignment = 0x10LU; +#if LG_SIZEOF_PTR == 3 + size = UINT64_C(0xfffffffffffffff0); +#else + size = 0xfffffff0LU; +#endif + err = posix_memalign(&p, alignment, size); + if (err == 0) { + malloc_printf( + "Expected error for posix_memalign(&p, %zu, %zu)\n", + alignment, size); + } + + for (i = 0; i < NITER; i++) + ps[i] = NULL; + + for (alignment = 8; + alignment <= MAXALIGN; + alignment <<= 1) { + total = 0; + malloc_printf("Alignment: %zu\n", alignment); + for (size = 1; + size < 3 * alignment && size < (1U << 31); + size += (alignment >> (LG_SIZEOF_PTR-1)) - 1) { + for (i = 0; i < NITER; i++) { + err = posix_memalign(&ps[i], + alignment, size); + if (err) { + malloc_printf( + "Error for size %zu (%#zx): %s\n", + size, size, strerror(err)); + exit(1); + } + total += malloc_usable_size(ps[i]); + if (total >= (MAXALIGN << 1)) + break; + } + for (i = 0; i < NITER; i++) { + if (ps[i] != NULL) { + free(ps[i]); + ps[i] = NULL; + } + } + } + } + + malloc_printf("Test end\n"); + return (0); +} diff --git a/deps/jemalloc/test/posix_memalign.exp b/deps/jemalloc/test/posix_memalign.exp new file mode 100644 index 0000000..b5061c7 --- /dev/null +++ b/deps/jemalloc/test/posix_memalign.exp @@ -0,0 +1,25 @@ +Test begin +Alignment: 8 +Alignment: 16 +Alignment: 32 +Alignment: 64 +Alignment: 128 +Alignment: 256 +Alignment: 512 +Alignment: 1024 +Alignment: 2048 +Alignment: 4096 +Alignment: 8192 +Alignment: 16384 +Alignment: 32768 +Alignment: 65536 +Alignment: 131072 +Alignment: 262144 +Alignment: 524288 +Alignment: 1048576 +Alignment: 2097152 +Alignment: 4194304 +Alignment: 8388608 +Alignment: 16777216 +Alignment: 33554432 +Test end diff --git a/deps/jemalloc/test/rallocm.c b/deps/jemalloc/test/rallocm.c new file mode 100644 index 0000000..c5dedf4 --- /dev/null +++ b/deps/jemalloc/test/rallocm.c @@ -0,0 +1,127 @@ +#define JEMALLOC_MANGLE +#include "jemalloc_test.h" + +int +main(void) +{ + size_t pagesize; + void *p, *q; + size_t sz, tsz; + int r; + + malloc_printf("Test begin\n"); + + /* Get page size. */ + { +#ifdef _WIN32 + SYSTEM_INFO si; + GetSystemInfo(&si); + pagesize = (size_t)si.dwPageSize; +#else + long result = sysconf(_SC_PAGESIZE); + assert(result != -1); + pagesize = (size_t)result; +#endif + } + + r = allocm(&p, &sz, 42, 0); + if (r != ALLOCM_SUCCESS) { + malloc_printf("Unexpected allocm() error\n"); + abort(); + } + + q = p; + r = rallocm(&q, &tsz, sz, 0, ALLOCM_NO_MOVE); + if (r != ALLOCM_SUCCESS) + malloc_printf("Unexpected rallocm() error\n"); + if (q != p) + malloc_printf("Unexpected object move\n"); + if (tsz != sz) { + malloc_printf("Unexpected size change: %zu --> %zu\n", + sz, tsz); + } + + q = p; + r = rallocm(&q, &tsz, sz, 5, ALLOCM_NO_MOVE); + if (r != ALLOCM_SUCCESS) + malloc_printf("Unexpected rallocm() error\n"); + if (q != p) + malloc_printf("Unexpected object move\n"); + if (tsz != sz) { + malloc_printf("Unexpected size change: %zu --> %zu\n", + sz, tsz); + } + + q = p; + r = rallocm(&q, &tsz, sz + 5, 0, ALLOCM_NO_MOVE); + if (r != ALLOCM_ERR_NOT_MOVED) + malloc_printf("Unexpected rallocm() result\n"); + if (q != p) + malloc_printf("Unexpected object move\n"); + if (tsz != sz) { + malloc_printf("Unexpected size change: %zu --> %zu\n", + sz, tsz); + } + + q = p; + r = rallocm(&q, &tsz, sz + 5, 0, 0); + if (r != ALLOCM_SUCCESS) + malloc_printf("Unexpected rallocm() error\n"); + if (q == p) + malloc_printf("Expected object move\n"); + if (tsz == sz) { + malloc_printf("Expected size change: %zu --> %zu\n", + sz, tsz); + } + p = q; + sz = tsz; + + r = rallocm(&q, &tsz, pagesize*2, 0, 0); + if (r != ALLOCM_SUCCESS) + malloc_printf("Unexpected rallocm() error\n"); + if (q == p) + malloc_printf("Expected object move\n"); + if (tsz == sz) { + malloc_printf("Expected size change: %zu --> %zu\n", + sz, tsz); + } + p = q; + sz = tsz; + + r = rallocm(&q, &tsz, pagesize*4, 0, 0); + if (r != ALLOCM_SUCCESS) + malloc_printf("Unexpected rallocm() error\n"); + if (tsz == sz) { + malloc_printf("Expected size change: %zu --> %zu\n", + sz, tsz); + } + p = q; + sz = tsz; + + r = rallocm(&q, &tsz, pagesize*2, 0, ALLOCM_NO_MOVE); + if (r != ALLOCM_SUCCESS) + malloc_printf("Unexpected rallocm() error\n"); + if (q != p) + malloc_printf("Unexpected object move\n"); + if (tsz == sz) { + malloc_printf("Expected size change: %zu --> %zu\n", + sz, tsz); + } + sz = tsz; + + r = rallocm(&q, &tsz, pagesize*4, 0, ALLOCM_NO_MOVE); + if (r != ALLOCM_SUCCESS) + malloc_printf("Unexpected rallocm() error\n"); + if (q != p) + malloc_printf("Unexpected object move\n"); + if (tsz == sz) { + malloc_printf("Expected size change: %zu --> %zu\n", + sz, tsz); + } + sz = tsz; + + dallocm(p, 0); + + malloc_printf("Test end\n"); + return (0); +} diff --git a/deps/jemalloc/test/rallocm.exp b/deps/jemalloc/test/rallocm.exp new file mode 100644 index 0000000..369a88d --- /dev/null +++ b/deps/jemalloc/test/rallocm.exp @@ -0,0 +1,2 @@ +Test begin +Test end diff --git a/deps/jemalloc/test/thread_arena.c b/deps/jemalloc/test/thread_arena.c new file mode 100644 index 0000000..2ffdb5e --- /dev/null +++ b/deps/jemalloc/test/thread_arena.c @@ -0,0 +1,80 @@ +#define JEMALLOC_MANGLE +#include "jemalloc_test.h" + +#define NTHREADS 10 + +void * +je_thread_start(void *arg) +{ + unsigned main_arena_ind = *(unsigned *)arg; + void *p; + unsigned arena_ind; + size_t size; + int err; + + p = malloc(1); + if (p == NULL) { + malloc_printf("%s(): Error in malloc()\n", __func__); + return (void *)1; + } + + size = sizeof(arena_ind); + if ((err = mallctl("thread.arena", &arena_ind, &size, &main_arena_ind, + sizeof(main_arena_ind)))) { + malloc_printf("%s(): Error in mallctl(): %s\n", __func__, + strerror(err)); + return (void *)1; + } + + size = sizeof(arena_ind); + if ((err = mallctl("thread.arena", &arena_ind, &size, NULL, + 0))) { + malloc_printf("%s(): Error in mallctl(): %s\n", __func__, + strerror(err)); + return (void *)1; + } + assert(arena_ind == main_arena_ind); + + return (NULL); +} + +int +main(void) +{ + int ret = 0; + void *p; + unsigned arena_ind; + size_t size; + int err; + je_thread_t threads[NTHREADS]; + unsigned i; + + malloc_printf("Test begin\n"); + + p = malloc(1); + if (p == NULL) { + malloc_printf("%s(): Error in malloc()\n", __func__); + ret = 1; + goto label_return; + } + + size = sizeof(arena_ind); + if ((err = mallctl("thread.arena", &arena_ind, &size, NULL, 0))) { + malloc_printf("%s(): Error in mallctl(): %s\n", __func__, + strerror(err)); + ret = 1; + goto label_return; + } + + for (i = 0; i < NTHREADS; i++) { + je_thread_create(&threads[i], je_thread_start, + (void *)&arena_ind); + } + + for (i = 0; i < NTHREADS; i++) + je_thread_join(threads[i], (void *)&ret); + +label_return: + malloc_printf("Test end\n"); + return (ret); +} diff --git a/deps/jemalloc/test/thread_arena.exp b/deps/jemalloc/test/thread_arena.exp new file mode 100644 index 0000000..369a88d --- /dev/null +++ b/deps/jemalloc/test/thread_arena.exp @@ -0,0 +1,2 @@ +Test begin +Test end diff --git a/deps/jemalloc/test/thread_tcache_enabled.c b/deps/jemalloc/test/thread_tcache_enabled.c new file mode 100644 index 0000000..2061b7b --- /dev/null +++ b/deps/jemalloc/test/thread_tcache_enabled.c @@ -0,0 +1,91 @@ +#define JEMALLOC_MANGLE +#include "jemalloc_test.h" + +void * +je_thread_start(void *arg) +{ + int err; + size_t sz; + bool e0, e1; + + sz = sizeof(bool); + if ((err = mallctl("thread.tcache.enabled", &e0, &sz, NULL, 0))) { + if (err == ENOENT) { +#ifdef JEMALLOC_TCACHE + assert(false); +#endif + } + goto label_return; + } + + if (e0) { + e1 = false; + assert(mallctl("thread.tcache.enabled", &e0, &sz, &e1, sz) + == 0); + assert(e0); + } + + e1 = true; + assert(mallctl("thread.tcache.enabled", &e0, &sz, &e1, sz) == 0); + assert(e0 == false); + + e1 = true; + assert(mallctl("thread.tcache.enabled", &e0, &sz, &e1, sz) == 0); + assert(e0); + + e1 = false; + assert(mallctl("thread.tcache.enabled", &e0, &sz, &e1, sz) == 0); + assert(e0); + + e1 = false; + assert(mallctl("thread.tcache.enabled", &e0, &sz, &e1, sz) == 0); + assert(e0 == false); + + free(malloc(1)); + e1 = true; + assert(mallctl("thread.tcache.enabled", &e0, &sz, &e1, sz) == 0); + assert(e0 == false); + + free(malloc(1)); + e1 = true; + assert(mallctl("thread.tcache.enabled", &e0, &sz, &e1, sz) == 0); + assert(e0); + + free(malloc(1)); + e1 = false; + assert(mallctl("thread.tcache.enabled", &e0, &sz, &e1, sz) == 0); + assert(e0); + + free(malloc(1)); + e1 = false; + assert(mallctl("thread.tcache.enabled", &e0, &sz, &e1, sz) == 0); + assert(e0 == false); + + free(malloc(1)); +label_return: + return (NULL); +} + +int +main(void) +{ + int ret = 0; + je_thread_t thread; + + malloc_printf("Test begin\n"); + + je_thread_start(NULL); + + je_thread_create(&thread, je_thread_start, NULL); + je_thread_join(thread, (void *)&ret); + + je_thread_start(NULL); + + je_thread_create(&thread, je_thread_start, NULL); + je_thread_join(thread, (void *)&ret); + + je_thread_start(NULL); + + malloc_printf("Test end\n"); + return (ret); +} diff --git a/deps/jemalloc/test/thread_tcache_enabled.exp b/deps/jemalloc/test/thread_tcache_enabled.exp new file mode 100644 index 0000000..369a88d --- /dev/null +++ b/deps/jemalloc/test/thread_tcache_enabled.exp @@ -0,0 +1,2 @@ +Test begin +Test end diff --git a/deps/leveldb-1.8.0/.gitignore b/deps/leveldb-1.10.0/.gitignore similarity index 100% rename from deps/leveldb-1.8.0/.gitignore rename to deps/leveldb-1.10.0/.gitignore diff --git a/deps/leveldb-1.8.0/AUTHORS b/deps/leveldb-1.10.0/AUTHORS similarity index 100% rename from deps/leveldb-1.8.0/AUTHORS rename to deps/leveldb-1.10.0/AUTHORS diff --git a/deps/leveldb-1.8.0/LICENSE b/deps/leveldb-1.10.0/LICENSE similarity index 100% rename from deps/leveldb-1.8.0/LICENSE rename to deps/leveldb-1.10.0/LICENSE diff --git a/deps/leveldb-1.8.0/Makefile b/deps/leveldb-1.10.0/Makefile similarity index 98% rename from deps/leveldb-1.8.0/Makefile rename to deps/leveldb-1.10.0/Makefile index fef085b..ab5ed83 100644 --- a/deps/leveldb-1.8.0/Makefile +++ b/deps/leveldb-1.10.0/Makefile @@ -12,7 +12,7 @@ OPT ?= -O2 -DNDEBUG # (A) Production use (optimized mode) #----------------------------------------------- # detect what platform we're building on -$(shell CC=$(CC) CXX=$(CXX) TARGET_OS=$(TARGET_OS) \ +$(shell CC="$(CC)" CXX="$(CXX)" TARGET_OS="$(TARGET_OS)" \ ./build_detect_platform build_config.mk ./) # this file is generated by the previous line to set build flags and sources include build_config.mk @@ -69,7 +69,7 @@ SHARED = $(SHARED1) else # Update db.h if you change these. SHARED_MAJOR = 1 -SHARED_MINOR = 8 +SHARED_MINOR = 10 SHARED1 = libleveldb.$(PLATFORM_SHARED_EXT) SHARED2 = $(SHARED1).$(SHARED_MAJOR) SHARED3 = $(SHARED1).$(SHARED_MAJOR).$(SHARED_MINOR) diff --git a/deps/leveldb-1.8.0/NEWS b/deps/leveldb-1.10.0/NEWS similarity index 100% rename from deps/leveldb-1.8.0/NEWS rename to deps/leveldb-1.10.0/NEWS diff --git a/deps/leveldb-1.8.0/README b/deps/leveldb-1.10.0/README similarity index 100% rename from deps/leveldb-1.8.0/README rename to deps/leveldb-1.10.0/README diff --git a/deps/leveldb-1.8.0/TODO b/deps/leveldb-1.10.0/TODO similarity index 100% rename from deps/leveldb-1.8.0/TODO rename to deps/leveldb-1.10.0/TODO diff --git a/deps/leveldb-1.8.0/build_detect_platform b/deps/leveldb-1.10.0/build_detect_platform similarity index 91% rename from deps/leveldb-1.8.0/build_detect_platform rename to deps/leveldb-1.10.0/build_detect_platform index 3bba9e2..d50869d 100755 --- a/deps/leveldb-1.8.0/build_detect_platform +++ b/deps/leveldb-1.10.0/build_detect_platform @@ -44,6 +44,10 @@ if test -z "$CXX"; then CXX=g++ fi +if test -z "$TMPDIR"; then + TMPDIR=/tmp +fi + # Detect OS if test -z "$TARGET_OS"; then TARGET_OS=`uname -s` @@ -155,8 +159,10 @@ if [ "$CROSS_COMPILE" = "true" ]; then # Cross-compiling; do not try any compilation tests. true else + CXXOUTPUT="${TMPDIR}/leveldb_build_detect_platform-cxx.$$" + # If -std=c++0x works, use . Otherwise use port_posix.h. - $CXX $CXXFLAGS -std=c++0x -x c++ - -o /dev/null 2>/dev/null </dev/null < int main() {} EOF @@ -169,25 +175,27 @@ EOF # Test whether Snappy library is installed # http://code.google.com/p/snappy/ - $CXX $CXXFLAGS -I../snappy-1.0.5/ -x c++ - -o /dev/null 2>/dev/null </dev/null < int main() {} EOF if [ "$?" = 0 ]; then - COMMON_FLAGS="$COMMON_FLAGS -I../snappy-1.0.5/ -DSNAPPY" - PLATFORM_LIBS="$PLATFORM_LIBS -L../snappy-1.0.5/.libs -lsnappy" + COMMON_FLAGS="$COMMON_FLAGS -DSNAPPY" + PLATFORM_LIBS="$PLATFORM_LIBS -lsnappy" fi # Test whether tcmalloc is available - $CXX $CXXFLAGS -I../gperftools-2.0/src -L../gperftools-2.0/.libs -x c++ - -o /dev/null -ltcmalloc_minimal 2>/dev/null </dev/null </dev/null fi -PLATFORM_CCFLAGS="$PLATFORM_CCFLAGS -I../snappy-1.0.5/ -I ../gperftools-2.0/src -L../gperftools-2.0/.libs $COMMON_FLAGS" +PLATFORM_CCFLAGS="$PLATFORM_CCFLAGS $COMMON_FLAGS" PLATFORM_CXXFLAGS="$PLATFORM_CXXFLAGS $COMMON_FLAGS" echo "CC=$CC" >> $OUTPUT diff --git a/deps/leveldb-1.8.0/db/builder.cc b/deps/leveldb-1.10.0/db/builder.cc similarity index 100% rename from deps/leveldb-1.8.0/db/builder.cc rename to deps/leveldb-1.10.0/db/builder.cc diff --git a/deps/leveldb-1.8.0/db/builder.h b/deps/leveldb-1.10.0/db/builder.h similarity index 100% rename from deps/leveldb-1.8.0/db/builder.h rename to deps/leveldb-1.10.0/db/builder.h diff --git a/deps/leveldb-1.8.0/db/c.cc b/deps/leveldb-1.10.0/db/c.cc similarity index 100% rename from deps/leveldb-1.8.0/db/c.cc rename to deps/leveldb-1.10.0/db/c.cc diff --git a/deps/leveldb-1.8.0/db/c_test.c b/deps/leveldb-1.10.0/db/c_test.c similarity index 100% rename from deps/leveldb-1.8.0/db/c_test.c rename to deps/leveldb-1.10.0/db/c_test.c diff --git a/deps/leveldb-1.8.0/db/corruption_test.cc b/deps/leveldb-1.10.0/db/corruption_test.cc similarity index 100% rename from deps/leveldb-1.8.0/db/corruption_test.cc rename to deps/leveldb-1.10.0/db/corruption_test.cc diff --git a/deps/leveldb-1.8.0/db/db_bench.cc b/deps/leveldb-1.10.0/db/db_bench.cc similarity index 100% rename from deps/leveldb-1.8.0/db/db_bench.cc rename to deps/leveldb-1.10.0/db/db_bench.cc diff --git a/deps/leveldb-1.8.0/db/db_impl.cc b/deps/leveldb-1.10.0/db/db_impl.cc similarity index 98% rename from deps/leveldb-1.8.0/db/db_impl.cc rename to deps/leveldb-1.10.0/db/db_impl.cc index c9de169..5c30d6f 100644 --- a/deps/leveldb-1.8.0/db/db_impl.cc +++ b/deps/leveldb-1.10.0/db/db_impl.cc @@ -310,16 +310,24 @@ Status DBImpl::Recover(VersionEdit* edit) { if (!s.ok()) { return s; } + std::set expected; + versions_->AddLiveFiles(&expected); uint64_t number; FileType type; std::vector logs; for (size_t i = 0; i < filenames.size(); i++) { - if (ParseFileName(filenames[i], &number, &type) - && type == kLogFile - && ((number >= min_log) || (number == prev_log))) { - logs.push_back(number); + if (ParseFileName(filenames[i], &number, &type)) { + expected.erase(number); + if (type == kLogFile && ((number >= min_log) || (number == prev_log))) + logs.push_back(number); } } + if (!expected.empty()) { + char buf[50]; + snprintf(buf, sizeof(buf), "%d missing files; e.g.", + static_cast(expected.size())); + return Status::Corruption(buf, TableFileName(dbname_, *(expected.begin()))); + } // Recover in the order in which the logs were generated std::sort(logs.begin(), logs.end()); @@ -1268,10 +1276,11 @@ Status DBImpl::MakeRoomForWrite(bool force) { } else if (imm_ != NULL) { // We have filled up the current memtable, but the previous // one is still being compacted, so we wait. + Log(options_.info_log, "Current memtable full; waiting...\n"); bg_cv_.Wait(); } else if (versions_->NumLevelFiles(0) >= config::kL0_StopWritesTrigger) { // There are too many level-0 files. - Log(options_.info_log, "waiting...\n"); + Log(options_.info_log, "Too many L0 files; waiting...\n"); bg_cv_.Wait(); } else { // Attempt to switch to a new memtable and trigger compaction of old diff --git a/deps/leveldb-1.8.0/db/db_impl.h b/deps/leveldb-1.10.0/db/db_impl.h similarity index 100% rename from deps/leveldb-1.8.0/db/db_impl.h rename to deps/leveldb-1.10.0/db/db_impl.h diff --git a/deps/leveldb-1.8.0/db/db_iter.cc b/deps/leveldb-1.10.0/db/db_iter.cc similarity index 100% rename from deps/leveldb-1.8.0/db/db_iter.cc rename to deps/leveldb-1.10.0/db/db_iter.cc diff --git a/deps/leveldb-1.8.0/db/db_iter.h b/deps/leveldb-1.10.0/db/db_iter.h similarity index 100% rename from deps/leveldb-1.8.0/db/db_iter.h rename to deps/leveldb-1.10.0/db/db_iter.h diff --git a/deps/leveldb-1.8.0/db/db_test.cc b/deps/leveldb-1.10.0/db/db_test.cc similarity index 94% rename from deps/leveldb-1.8.0/db/db_test.cc rename to deps/leveldb-1.10.0/db/db_test.cc index 74abd13..2f51296 100644 --- a/deps/leveldb-1.8.0/db/db_test.cc +++ b/deps/leveldb-1.10.0/db/db_test.cc @@ -59,6 +59,12 @@ class SpecialEnv : public EnvWrapper { // Simulate non-writable file system while this pointer is non-NULL port::AtomicPointer non_writable_; + // Force sync of manifest files to fail while this pointer is non-NULL + port::AtomicPointer manifest_sync_error_; + + // Force write to manifest files to fail while this pointer is non-NULL + port::AtomicPointer manifest_write_error_; + bool count_random_reads_; AtomicCounter random_read_counter_; @@ -69,6 +75,8 @@ class SpecialEnv : public EnvWrapper { no_space_.Release_Store(NULL); non_writable_.Release_Store(NULL); count_random_reads_ = false; + manifest_sync_error_.Release_Store(NULL); + manifest_write_error_.Release_Store(NULL); } Status NewWritableFile(const std::string& f, WritableFile** r) { @@ -100,6 +108,30 @@ class SpecialEnv : public EnvWrapper { return base_->Sync(); } }; + class ManifestFile : public WritableFile { + private: + SpecialEnv* env_; + WritableFile* base_; + public: + ManifestFile(SpecialEnv* env, WritableFile* b) : env_(env), base_(b) { } + ~ManifestFile() { delete base_; } + Status Append(const Slice& data) { + if (env_->manifest_write_error_.Acquire_Load() != NULL) { + return Status::IOError("simulated writer error"); + } else { + return base_->Append(data); + } + } + Status Close() { return base_->Close(); } + Status Flush() { return base_->Flush(); } + Status Sync() { + if (env_->manifest_sync_error_.Acquire_Load() != NULL) { + return Status::IOError("simulated sync error"); + } else { + return base_->Sync(); + } + } + }; if (non_writable_.Acquire_Load() != NULL) { return Status::IOError("simulated write error"); @@ -109,6 +141,8 @@ class SpecialEnv : public EnvWrapper { if (s.ok()) { if (strstr(f.c_str(), ".sst") != NULL) { *r = new SSTableFile(this, *r); + } else if (strstr(f.c_str(), "MANIFEST") != NULL) { + *r = new ManifestFile(this, *r); } } return s; @@ -427,6 +461,20 @@ class DBTest { } return result; } + + bool DeleteAnSSTFile() { + std::vector filenames; + ASSERT_OK(env_->GetChildren(dbname_, &filenames)); + uint64_t number; + FileType type; + for (size_t i = 0; i < filenames.size(); i++) { + if (ParseFileName(filenames[i], &number, &type) && type == kTableFile) { + ASSERT_OK(env_->DeleteFile(TableFileName(dbname_, number))); + return true; + } + } + return false; + } }; TEST(DBTest, Empty) { @@ -1492,6 +1540,64 @@ TEST(DBTest, NonWritableFileSystem) { env_->non_writable_.Release_Store(NULL); } +TEST(DBTest, ManifestWriteError) { + // Test for the following problem: + // (a) Compaction produces file F + // (b) Log record containing F is written to MANIFEST file, but Sync() fails + // (c) GC deletes F + // (d) After reopening DB, reads fail since deleted F is named in log record + + // We iterate twice. In the second iteration, everything is the + // same except the log record never makes it to the MANIFEST file. + for (int iter = 0; iter < 2; iter++) { + port::AtomicPointer* error_type = (iter == 0) + ? &env_->manifest_sync_error_ + : &env_->manifest_write_error_; + + // Insert foo=>bar mapping + Options options = CurrentOptions(); + options.env = env_; + options.create_if_missing = true; + options.error_if_exists = false; + DestroyAndReopen(&options); + ASSERT_OK(Put("foo", "bar")); + ASSERT_EQ("bar", Get("foo")); + + // Memtable compaction (will succeed) + dbfull()->TEST_CompactMemTable(); + ASSERT_EQ("bar", Get("foo")); + const int last = config::kMaxMemCompactLevel; + ASSERT_EQ(NumTableFilesAtLevel(last), 1); // foo=>bar is now in last level + + // Merging compaction (will fail) + error_type->Release_Store(env_); + dbfull()->TEST_CompactRange(last, NULL, NULL); // Should fail + ASSERT_EQ("bar", Get("foo")); + + // Recovery: should not lose data + error_type->Release_Store(NULL); + Reopen(&options); + ASSERT_EQ("bar", Get("foo")); + } +} + +TEST(DBTest, MissingSSTFile) { + ASSERT_OK(Put("foo", "bar")); + ASSERT_EQ("bar", Get("foo")); + + // Dump the memtable to disk. + dbfull()->TEST_CompactMemTable(); + ASSERT_EQ("bar", Get("foo")); + + ASSERT_TRUE(DeleteAnSSTFile()); + Options options = CurrentOptions(); + options.paranoid_checks = true; + Status s = TryReopen(&options); + ASSERT_TRUE(!s.ok()); + ASSERT_TRUE(s.ToString().find("issing") != std::string::npos) + << s.ToString(); +} + TEST(DBTest, FilesDeletedAfterCompaction) { ASSERT_OK(Put("foo", "v2")); Compact("a", "z"); diff --git a/deps/leveldb-1.8.0/db/dbformat.cc b/deps/leveldb-1.10.0/db/dbformat.cc similarity index 98% rename from deps/leveldb-1.8.0/db/dbformat.cc rename to deps/leveldb-1.10.0/db/dbformat.cc index 28e11b3..20a7ca4 100644 --- a/deps/leveldb-1.8.0/db/dbformat.cc +++ b/deps/leveldb-1.10.0/db/dbformat.cc @@ -26,7 +26,7 @@ std::string ParsedInternalKey::DebugString() const { (unsigned long long) sequence, int(type)); std::string result = "'"; - result += user_key.ToString(); + result += EscapeString(user_key.ToString()); result += buf; return result; } diff --git a/deps/leveldb-1.8.0/db/dbformat.h b/deps/leveldb-1.10.0/db/dbformat.h similarity index 100% rename from deps/leveldb-1.8.0/db/dbformat.h rename to deps/leveldb-1.10.0/db/dbformat.h diff --git a/deps/leveldb-1.8.0/db/dbformat_test.cc b/deps/leveldb-1.10.0/db/dbformat_test.cc similarity index 100% rename from deps/leveldb-1.8.0/db/dbformat_test.cc rename to deps/leveldb-1.10.0/db/dbformat_test.cc diff --git a/deps/leveldb-1.8.0/db/filename.cc b/deps/leveldb-1.10.0/db/filename.cc similarity index 100% rename from deps/leveldb-1.8.0/db/filename.cc rename to deps/leveldb-1.10.0/db/filename.cc diff --git a/deps/leveldb-1.8.0/db/filename.h b/deps/leveldb-1.10.0/db/filename.h similarity index 100% rename from deps/leveldb-1.8.0/db/filename.h rename to deps/leveldb-1.10.0/db/filename.h diff --git a/deps/leveldb-1.8.0/db/filename_test.cc b/deps/leveldb-1.10.0/db/filename_test.cc similarity index 100% rename from deps/leveldb-1.8.0/db/filename_test.cc rename to deps/leveldb-1.10.0/db/filename_test.cc diff --git a/deps/leveldb-1.8.0/db/leveldb_main.cc b/deps/leveldb-1.10.0/db/leveldb_main.cc similarity index 100% rename from deps/leveldb-1.8.0/db/leveldb_main.cc rename to deps/leveldb-1.10.0/db/leveldb_main.cc diff --git a/deps/leveldb-1.8.0/db/log_format.h b/deps/leveldb-1.10.0/db/log_format.h similarity index 100% rename from deps/leveldb-1.8.0/db/log_format.h rename to deps/leveldb-1.10.0/db/log_format.h diff --git a/deps/leveldb-1.8.0/db/log_reader.cc b/deps/leveldb-1.10.0/db/log_reader.cc similarity index 100% rename from deps/leveldb-1.8.0/db/log_reader.cc rename to deps/leveldb-1.10.0/db/log_reader.cc diff --git a/deps/leveldb-1.8.0/db/log_reader.h b/deps/leveldb-1.10.0/db/log_reader.h similarity index 100% rename from deps/leveldb-1.8.0/db/log_reader.h rename to deps/leveldb-1.10.0/db/log_reader.h diff --git a/deps/leveldb-1.8.0/db/log_test.cc b/deps/leveldb-1.10.0/db/log_test.cc similarity index 100% rename from deps/leveldb-1.8.0/db/log_test.cc rename to deps/leveldb-1.10.0/db/log_test.cc diff --git a/deps/leveldb-1.8.0/db/log_writer.cc b/deps/leveldb-1.10.0/db/log_writer.cc similarity index 100% rename from deps/leveldb-1.8.0/db/log_writer.cc rename to deps/leveldb-1.10.0/db/log_writer.cc diff --git a/deps/leveldb-1.8.0/db/log_writer.h b/deps/leveldb-1.10.0/db/log_writer.h similarity index 100% rename from deps/leveldb-1.8.0/db/log_writer.h rename to deps/leveldb-1.10.0/db/log_writer.h diff --git a/deps/leveldb-1.8.0/db/memtable.cc b/deps/leveldb-1.10.0/db/memtable.cc similarity index 100% rename from deps/leveldb-1.8.0/db/memtable.cc rename to deps/leveldb-1.10.0/db/memtable.cc diff --git a/deps/leveldb-1.8.0/db/memtable.h b/deps/leveldb-1.10.0/db/memtable.h similarity index 100% rename from deps/leveldb-1.8.0/db/memtable.h rename to deps/leveldb-1.10.0/db/memtable.h diff --git a/deps/leveldb-1.8.0/db/repair.cc b/deps/leveldb-1.10.0/db/repair.cc similarity index 100% rename from deps/leveldb-1.8.0/db/repair.cc rename to deps/leveldb-1.10.0/db/repair.cc diff --git a/deps/leveldb-1.8.0/db/skiplist.h b/deps/leveldb-1.10.0/db/skiplist.h similarity index 100% rename from deps/leveldb-1.8.0/db/skiplist.h rename to deps/leveldb-1.10.0/db/skiplist.h diff --git a/deps/leveldb-1.8.0/db/skiplist_test.cc b/deps/leveldb-1.10.0/db/skiplist_test.cc similarity index 100% rename from deps/leveldb-1.8.0/db/skiplist_test.cc rename to deps/leveldb-1.10.0/db/skiplist_test.cc diff --git a/deps/leveldb-1.8.0/db/snapshot.h b/deps/leveldb-1.10.0/db/snapshot.h similarity index 100% rename from deps/leveldb-1.8.0/db/snapshot.h rename to deps/leveldb-1.10.0/db/snapshot.h diff --git a/deps/leveldb-1.8.0/db/table_cache.cc b/deps/leveldb-1.10.0/db/table_cache.cc similarity index 100% rename from deps/leveldb-1.8.0/db/table_cache.cc rename to deps/leveldb-1.10.0/db/table_cache.cc diff --git a/deps/leveldb-1.8.0/db/table_cache.h b/deps/leveldb-1.10.0/db/table_cache.h similarity index 100% rename from deps/leveldb-1.8.0/db/table_cache.h rename to deps/leveldb-1.10.0/db/table_cache.h diff --git a/deps/leveldb-1.8.0/db/version_edit.cc b/deps/leveldb-1.10.0/db/version_edit.cc similarity index 100% rename from deps/leveldb-1.8.0/db/version_edit.cc rename to deps/leveldb-1.10.0/db/version_edit.cc diff --git a/deps/leveldb-1.8.0/db/version_edit.h b/deps/leveldb-1.10.0/db/version_edit.h similarity index 100% rename from deps/leveldb-1.8.0/db/version_edit.h rename to deps/leveldb-1.10.0/db/version_edit.h diff --git a/deps/leveldb-1.8.0/db/version_edit_test.cc b/deps/leveldb-1.10.0/db/version_edit_test.cc similarity index 100% rename from deps/leveldb-1.8.0/db/version_edit_test.cc rename to deps/leveldb-1.10.0/db/version_edit_test.cc diff --git a/deps/leveldb-1.8.0/db/version_set.cc b/deps/leveldb-1.10.0/db/version_set.cc similarity index 97% rename from deps/leveldb-1.8.0/db/version_set.cc rename to deps/leveldb-1.10.0/db/version_set.cc index bdd4a57..7d0a5de 100644 --- a/deps/leveldb-1.8.0/db/version_set.cc +++ b/deps/leveldb-1.10.0/db/version_set.cc @@ -786,12 +786,23 @@ Status VersionSet::LogAndApply(VersionEdit* edit, port::Mutex* mu) { if (s.ok()) { s = descriptor_file_->Sync(); } + if (!s.ok()) { + Log(options_->info_log, "MANIFEST write: %s\n", s.ToString().c_str()); + if (ManifestContains(record)) { + Log(options_->info_log, + "MANIFEST contains log record despite error; advancing to new " + "version to prevent mismatch between in-memory and logged state"); + s = Status::OK(); + } + } } // If we just created a new descriptor file, install it by writing a // new CURRENT file that points to it. if (s.ok() && !new_manifest_file.empty()) { s = SetCurrentFile(env_, dbname_, manifest_file_number_); + // No need to double-check MANIFEST in case of error since it + // will be discarded below. } mu->Lock(); @@ -1025,6 +1036,31 @@ const char* VersionSet::LevelSummary(LevelSummaryStorage* scratch) const { return scratch->buffer; } +// Return true iff the manifest contains the specified record. +bool VersionSet::ManifestContains(const std::string& record) const { + std::string fname = DescriptorFileName(dbname_, manifest_file_number_); + Log(options_->info_log, "ManifestContains: checking %s\n", fname.c_str()); + SequentialFile* file = NULL; + Status s = env_->NewSequentialFile(fname, &file); + if (!s.ok()) { + Log(options_->info_log, "ManifestContains: %s\n", s.ToString().c_str()); + return false; + } + log::Reader reader(file, NULL, true/*checksum*/, 0); + Slice r; + std::string scratch; + bool result = false; + while (reader.ReadRecord(&r, &scratch)) { + if (r == Slice(record)) { + result = true; + break; + } + } + delete file; + Log(options_->info_log, "ManifestContains: result = %d\n", result ? 1 : 0); + return result; +} + uint64_t VersionSet::ApproximateOffsetOf(Version* v, const InternalKey& ikey) { uint64_t result = 0; for (int level = 0; level < config::kNumLevels; level++) { diff --git a/deps/leveldb-1.8.0/db/version_set.h b/deps/leveldb-1.10.0/db/version_set.h similarity index 99% rename from deps/leveldb-1.8.0/db/version_set.h rename to deps/leveldb-1.10.0/db/version_set.h index 792899b..9d084fd 100644 --- a/deps/leveldb-1.8.0/db/version_set.h +++ b/deps/leveldb-1.10.0/db/version_set.h @@ -277,6 +277,8 @@ class VersionSet { void AppendVersion(Version* v); + bool ManifestContains(const std::string& record) const; + Env* const env_; const std::string dbname_; const Options* const options_; diff --git a/deps/leveldb-1.8.0/db/version_set_test.cc b/deps/leveldb-1.10.0/db/version_set_test.cc similarity index 100% rename from deps/leveldb-1.8.0/db/version_set_test.cc rename to deps/leveldb-1.10.0/db/version_set_test.cc diff --git a/deps/leveldb-1.8.0/db/write_batch.cc b/deps/leveldb-1.10.0/db/write_batch.cc similarity index 100% rename from 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rename to deps/leveldb-1.10.0/helpers/memenv/memenv_test.cc diff --git a/deps/leveldb-1.8.0/include/leveldb/c.h b/deps/leveldb-1.10.0/include/leveldb/c.h similarity index 100% rename from deps/leveldb-1.8.0/include/leveldb/c.h rename to deps/leveldb-1.10.0/include/leveldb/c.h diff --git a/deps/leveldb-1.8.0/include/leveldb/cache.h b/deps/leveldb-1.10.0/include/leveldb/cache.h similarity index 100% rename from deps/leveldb-1.8.0/include/leveldb/cache.h rename to deps/leveldb-1.10.0/include/leveldb/cache.h diff --git a/deps/leveldb-1.8.0/include/leveldb/comparator.h b/deps/leveldb-1.10.0/include/leveldb/comparator.h similarity index 100% rename from deps/leveldb-1.8.0/include/leveldb/comparator.h rename to deps/leveldb-1.10.0/include/leveldb/comparator.h diff --git a/deps/leveldb-1.8.0/include/leveldb/db.h b/deps/leveldb-1.10.0/include/leveldb/db.h similarity index 99% rename from deps/leveldb-1.8.0/include/leveldb/db.h rename to deps/leveldb-1.10.0/include/leveldb/db.h index f1e70a0..a37c097 100644 --- a/deps/leveldb-1.8.0/include/leveldb/db.h +++ b/deps/leveldb-1.10.0/include/leveldb/db.h @@ -14,7 +14,7 @@ namespace leveldb { // Update Makefile if you change these static const int kMajorVersion = 1; -static const int kMinorVersion = 8; +static const int kMinorVersion = 10; struct Options; struct ReadOptions; diff --git a/deps/leveldb-1.8.0/include/leveldb/env.h b/deps/leveldb-1.10.0/include/leveldb/env.h similarity index 100% rename from deps/leveldb-1.8.0/include/leveldb/env.h rename to deps/leveldb-1.10.0/include/leveldb/env.h diff --git a/deps/leveldb-1.8.0/include/leveldb/filter_policy.h b/deps/leveldb-1.10.0/include/leveldb/filter_policy.h similarity index 100% rename from deps/leveldb-1.8.0/include/leveldb/filter_policy.h rename to deps/leveldb-1.10.0/include/leveldb/filter_policy.h diff --git a/deps/leveldb-1.8.0/include/leveldb/iterator.h b/deps/leveldb-1.10.0/include/leveldb/iterator.h similarity index 100% rename from deps/leveldb-1.8.0/include/leveldb/iterator.h rename to deps/leveldb-1.10.0/include/leveldb/iterator.h diff --git a/deps/leveldb-1.8.0/include/leveldb/options.h b/deps/leveldb-1.10.0/include/leveldb/options.h similarity index 100% rename from deps/leveldb-1.8.0/include/leveldb/options.h rename to deps/leveldb-1.10.0/include/leveldb/options.h diff --git a/deps/leveldb-1.8.0/include/leveldb/slice.h b/deps/leveldb-1.10.0/include/leveldb/slice.h similarity index 100% rename from deps/leveldb-1.8.0/include/leveldb/slice.h rename to deps/leveldb-1.10.0/include/leveldb/slice.h diff --git a/deps/leveldb-1.8.0/include/leveldb/status.h b/deps/leveldb-1.10.0/include/leveldb/status.h similarity index 100% rename from deps/leveldb-1.8.0/include/leveldb/status.h rename to deps/leveldb-1.10.0/include/leveldb/status.h diff --git a/deps/leveldb-1.8.0/include/leveldb/table.h b/deps/leveldb-1.10.0/include/leveldb/table.h similarity index 100% rename from deps/leveldb-1.8.0/include/leveldb/table.h rename to deps/leveldb-1.10.0/include/leveldb/table.h diff --git a/deps/leveldb-1.8.0/include/leveldb/table_builder.h b/deps/leveldb-1.10.0/include/leveldb/table_builder.h similarity index 100% rename from deps/leveldb-1.8.0/include/leveldb/table_builder.h rename to deps/leveldb-1.10.0/include/leveldb/table_builder.h diff --git a/deps/leveldb-1.8.0/include/leveldb/write_batch.h b/deps/leveldb-1.10.0/include/leveldb/write_batch.h similarity index 100% rename from deps/leveldb-1.8.0/include/leveldb/write_batch.h rename to deps/leveldb-1.10.0/include/leveldb/write_batch.h diff --git a/deps/leveldb-1.10.0/leveldb-1.10.0.tar b/deps/leveldb-1.10.0/leveldb-1.10.0.tar new file mode 100644 index 0000000..9df6499 Binary files /dev/null and b/deps/leveldb-1.10.0/leveldb-1.10.0.tar differ diff --git a/deps/leveldb-1.8.0/port/README b/deps/leveldb-1.10.0/port/README similarity index 100% rename from deps/leveldb-1.8.0/port/README rename to deps/leveldb-1.10.0/port/README diff --git a/deps/leveldb-1.8.0/port/atomic_pointer.h b/deps/leveldb-1.10.0/port/atomic_pointer.h similarity index 100% rename from deps/leveldb-1.8.0/port/atomic_pointer.h rename to deps/leveldb-1.10.0/port/atomic_pointer.h diff --git a/deps/leveldb-1.8.0/port/port.h b/deps/leveldb-1.10.0/port/port.h similarity index 100% rename from deps/leveldb-1.8.0/port/port.h rename to deps/leveldb-1.10.0/port/port.h diff --git a/deps/leveldb-1.8.0/port/port_example.h b/deps/leveldb-1.10.0/port/port_example.h similarity index 100% rename from deps/leveldb-1.8.0/port/port_example.h rename to deps/leveldb-1.10.0/port/port_example.h diff --git a/deps/leveldb-1.8.0/port/port_posix.cc b/deps/leveldb-1.10.0/port/port_posix.cc similarity index 100% rename from deps/leveldb-1.8.0/port/port_posix.cc rename to deps/leveldb-1.10.0/port/port_posix.cc diff --git a/deps/leveldb-1.8.0/port/port_posix.h b/deps/leveldb-1.10.0/port/port_posix.h similarity index 100% rename from deps/leveldb-1.8.0/port/port_posix.h rename to deps/leveldb-1.10.0/port/port_posix.h diff --git a/deps/leveldb-1.8.0/port/thread_annotations.h b/deps/leveldb-1.10.0/port/thread_annotations.h similarity index 100% rename from deps/leveldb-1.8.0/port/thread_annotations.h rename to deps/leveldb-1.10.0/port/thread_annotations.h diff --git a/deps/leveldb-1.8.0/port/win/stdint.h b/deps/leveldb-1.10.0/port/win/stdint.h similarity index 100% rename from deps/leveldb-1.8.0/port/win/stdint.h rename to deps/leveldb-1.10.0/port/win/stdint.h diff --git a/deps/leveldb-1.8.0/table/block.cc b/deps/leveldb-1.10.0/table/block.cc similarity index 95% rename from deps/leveldb-1.8.0/table/block.cc rename to deps/leveldb-1.10.0/table/block.cc index ab83c11..79ea9d9 100644 --- a/deps/leveldb-1.8.0/table/block.cc +++ b/deps/leveldb-1.10.0/table/block.cc @@ -16,7 +16,7 @@ namespace leveldb { inline uint32_t Block::NumRestarts() const { - assert(size_ >= 2*sizeof(uint32_t)); + assert(size_ >= sizeof(uint32_t)); return DecodeFixed32(data_ + size_ - sizeof(uint32_t)); } @@ -27,11 +27,12 @@ Block::Block(const BlockContents& contents) if (size_ < sizeof(uint32_t)) { size_ = 0; // Error marker } else { - restart_offset_ = size_ - (1 + NumRestarts()) * sizeof(uint32_t); - if (restart_offset_ > size_ - sizeof(uint32_t)) { - // The size is too small for NumRestarts() and therefore - // restart_offset_ wrapped around. + size_t max_restarts_allowed = (size_-sizeof(uint32_t)) / sizeof(uint32_t); + if (NumRestarts() > max_restarts_allowed) { + // The size is too small for NumRestarts() size_ = 0; + } else { + restart_offset_ = size_ - (1 + NumRestarts()) * sizeof(uint32_t); } } } @@ -253,7 +254,7 @@ class Block::Iter : public Iterator { }; Iterator* Block::NewIterator(const Comparator* cmp) { - if (size_ < 2*sizeof(uint32_t)) { + if (size_ < sizeof(uint32_t)) { return NewErrorIterator(Status::Corruption("bad block contents")); } const uint32_t num_restarts = NumRestarts(); diff --git a/deps/leveldb-1.8.0/table/block.h b/deps/leveldb-1.10.0/table/block.h similarity index 100% rename from deps/leveldb-1.8.0/table/block.h rename to deps/leveldb-1.10.0/table/block.h diff --git a/deps/leveldb-1.8.0/table/block_builder.cc b/deps/leveldb-1.10.0/table/block_builder.cc similarity index 100% rename from deps/leveldb-1.8.0/table/block_builder.cc rename to deps/leveldb-1.10.0/table/block_builder.cc diff --git a/deps/leveldb-1.8.0/table/block_builder.h b/deps/leveldb-1.10.0/table/block_builder.h similarity index 100% rename from deps/leveldb-1.8.0/table/block_builder.h rename to deps/leveldb-1.10.0/table/block_builder.h diff --git a/deps/leveldb-1.8.0/table/filter_block.cc b/deps/leveldb-1.10.0/table/filter_block.cc similarity index 100% rename from deps/leveldb-1.8.0/table/filter_block.cc rename to deps/leveldb-1.10.0/table/filter_block.cc diff --git a/deps/leveldb-1.8.0/table/filter_block.h b/deps/leveldb-1.10.0/table/filter_block.h similarity index 100% rename from deps/leveldb-1.8.0/table/filter_block.h rename to deps/leveldb-1.10.0/table/filter_block.h diff --git a/deps/leveldb-1.8.0/table/filter_block_test.cc b/deps/leveldb-1.10.0/table/filter_block_test.cc similarity index 100% rename from deps/leveldb-1.8.0/table/filter_block_test.cc rename to deps/leveldb-1.10.0/table/filter_block_test.cc diff --git a/deps/leveldb-1.8.0/table/format.cc b/deps/leveldb-1.10.0/table/format.cc similarity index 100% rename from deps/leveldb-1.8.0/table/format.cc rename to deps/leveldb-1.10.0/table/format.cc diff --git a/deps/leveldb-1.8.0/table/format.h b/deps/leveldb-1.10.0/table/format.h similarity index 100% rename from deps/leveldb-1.8.0/table/format.h rename to deps/leveldb-1.10.0/table/format.h diff --git a/deps/leveldb-1.8.0/table/iterator.cc b/deps/leveldb-1.10.0/table/iterator.cc similarity index 100% rename from deps/leveldb-1.8.0/table/iterator.cc rename to deps/leveldb-1.10.0/table/iterator.cc diff --git a/deps/leveldb-1.8.0/table/iterator_wrapper.h b/deps/leveldb-1.10.0/table/iterator_wrapper.h similarity index 100% rename from deps/leveldb-1.8.0/table/iterator_wrapper.h rename to deps/leveldb-1.10.0/table/iterator_wrapper.h diff --git a/deps/leveldb-1.8.0/table/merger.cc b/deps/leveldb-1.10.0/table/merger.cc similarity index 100% rename from deps/leveldb-1.8.0/table/merger.cc rename to deps/leveldb-1.10.0/table/merger.cc diff --git a/deps/leveldb-1.8.0/table/merger.h b/deps/leveldb-1.10.0/table/merger.h similarity index 100% rename from deps/leveldb-1.8.0/table/merger.h rename to deps/leveldb-1.10.0/table/merger.h diff --git a/deps/leveldb-1.8.0/table/table.cc b/deps/leveldb-1.10.0/table/table.cc similarity index 99% rename from deps/leveldb-1.8.0/table/table.cc rename to deps/leveldb-1.10.0/table/table.cc index dbd6d3a..71c1756 100644 --- a/deps/leveldb-1.8.0/table/table.cc +++ b/deps/leveldb-1.10.0/table/table.cc @@ -228,7 +228,6 @@ Status Table::InternalGet(const ReadOptions& options, const Slice& k, !filter->KeyMayMatch(handle.offset(), k)) { // Not found } else { - Slice handle = iiter->value(); Iterator* block_iter = BlockReader(this, options, iiter->value()); block_iter->Seek(k); if (block_iter->Valid()) { diff --git a/deps/leveldb-1.8.0/table/table_builder.cc b/deps/leveldb-1.10.0/table/table_builder.cc similarity index 100% rename from deps/leveldb-1.8.0/table/table_builder.cc rename to deps/leveldb-1.10.0/table/table_builder.cc diff --git a/deps/leveldb-1.8.0/table/table_test.cc b/deps/leveldb-1.10.0/table/table_test.cc similarity index 96% rename from deps/leveldb-1.8.0/table/table_test.cc rename to deps/leveldb-1.10.0/table/table_test.cc index 57cea25..c723bf8 100644 --- a/deps/leveldb-1.8.0/table/table_test.cc +++ b/deps/leveldb-1.10.0/table/table_test.cc @@ -644,6 +644,36 @@ class Harness { Constructor* constructor_; }; +// Test empty table/block. +TEST(Harness, Empty) { + for (int i = 0; i < kNumTestArgs; i++) { + Init(kTestArgList[i]); + Random rnd(test::RandomSeed() + 1); + Test(&rnd); + } +} + +// Special test for a block with no restart entries. The C++ leveldb +// code never generates such blocks, but the Java version of leveldb +// seems to. +TEST(Harness, ZeroRestartPointsInBlock) { + char data[sizeof(uint32_t)]; + memset(data, 0, sizeof(data)); + BlockContents contents; + contents.data = Slice(data, sizeof(data)); + contents.cachable = false; + contents.heap_allocated = false; + Block block(contents); + Iterator* iter = block.NewIterator(BytewiseComparator()); + iter->SeekToFirst(); + ASSERT_TRUE(!iter->Valid()); + iter->SeekToLast(); + ASSERT_TRUE(!iter->Valid()); + iter->Seek("foo"); + ASSERT_TRUE(!iter->Valid()); + delete iter; +} + // Test the empty key TEST(Harness, SimpleEmptyKey) { for (int i = 0; i < kNumTestArgs; i++) { diff --git a/deps/leveldb-1.8.0/table/two_level_iterator.cc b/deps/leveldb-1.10.0/table/two_level_iterator.cc similarity index 100% rename from deps/leveldb-1.8.0/table/two_level_iterator.cc rename to deps/leveldb-1.10.0/table/two_level_iterator.cc diff --git a/deps/leveldb-1.8.0/table/two_level_iterator.h b/deps/leveldb-1.10.0/table/two_level_iterator.h similarity index 100% rename from deps/leveldb-1.8.0/table/two_level_iterator.h rename to deps/leveldb-1.10.0/table/two_level_iterator.h diff --git a/deps/leveldb-1.8.0/util/arena.cc b/deps/leveldb-1.10.0/util/arena.cc similarity index 100% rename from deps/leveldb-1.8.0/util/arena.cc rename to deps/leveldb-1.10.0/util/arena.cc diff --git a/deps/leveldb-1.8.0/util/arena.h b/deps/leveldb-1.10.0/util/arena.h similarity index 100% rename from deps/leveldb-1.8.0/util/arena.h rename to deps/leveldb-1.10.0/util/arena.h diff --git a/deps/leveldb-1.8.0/util/arena_test.cc b/deps/leveldb-1.10.0/util/arena_test.cc similarity index 100% rename from deps/leveldb-1.8.0/util/arena_test.cc rename to deps/leveldb-1.10.0/util/arena_test.cc diff --git a/deps/leveldb-1.8.0/util/bloom.cc b/deps/leveldb-1.10.0/util/bloom.cc similarity index 100% rename from deps/leveldb-1.8.0/util/bloom.cc rename to deps/leveldb-1.10.0/util/bloom.cc diff --git a/deps/leveldb-1.8.0/util/bloom_test.cc b/deps/leveldb-1.10.0/util/bloom_test.cc similarity index 100% rename from deps/leveldb-1.8.0/util/bloom_test.cc rename to deps/leveldb-1.10.0/util/bloom_test.cc diff --git a/deps/leveldb-1.8.0/util/cache.cc b/deps/leveldb-1.10.0/util/cache.cc similarity index 98% rename from deps/leveldb-1.8.0/util/cache.cc rename to deps/leveldb-1.10.0/util/cache.cc index 24f1f63..8b197bc 100644 --- a/deps/leveldb-1.8.0/util/cache.cc +++ b/deps/leveldb-1.10.0/util/cache.cc @@ -116,7 +116,6 @@ class HandleTable { LRUHandle* h = list_[i]; while (h != NULL) { LRUHandle* next = h->next_hash; - Slice key = h->key(); uint32_t hash = h->hash; LRUHandle** ptr = &new_list[hash & (new_length - 1)]; h->next_hash = *ptr; @@ -160,7 +159,6 @@ class LRUCache { // mutex_ protects the following state. port::Mutex mutex_; size_t usage_; - uint64_t last_id_; // Dummy head of LRU list. // lru.prev is newest entry, lru.next is oldest entry. @@ -170,8 +168,7 @@ class LRUCache { }; LRUCache::LRUCache() - : usage_(0), - last_id_(0) { + : usage_(0) { // Make empty circular linked list lru_.next = &lru_; lru_.prev = &lru_; diff --git a/deps/leveldb-1.8.0/util/cache_test.cc b/deps/leveldb-1.10.0/util/cache_test.cc similarity index 100% rename from deps/leveldb-1.8.0/util/cache_test.cc rename to deps/leveldb-1.10.0/util/cache_test.cc diff --git a/deps/leveldb-1.8.0/util/coding.cc b/deps/leveldb-1.10.0/util/coding.cc similarity index 100% rename from deps/leveldb-1.8.0/util/coding.cc rename to deps/leveldb-1.10.0/util/coding.cc diff --git a/deps/leveldb-1.8.0/util/coding.h b/deps/leveldb-1.10.0/util/coding.h similarity index 100% rename from deps/leveldb-1.8.0/util/coding.h rename to deps/leveldb-1.10.0/util/coding.h diff --git a/deps/leveldb-1.8.0/util/coding_test.cc b/deps/leveldb-1.10.0/util/coding_test.cc similarity index 100% rename from deps/leveldb-1.8.0/util/coding_test.cc rename to deps/leveldb-1.10.0/util/coding_test.cc diff --git a/deps/leveldb-1.8.0/util/comparator.cc b/deps/leveldb-1.10.0/util/comparator.cc similarity index 100% rename from deps/leveldb-1.8.0/util/comparator.cc rename to deps/leveldb-1.10.0/util/comparator.cc diff --git a/deps/leveldb-1.8.0/util/crc32c.cc b/deps/leveldb-1.10.0/util/crc32c.cc similarity index 100% rename from deps/leveldb-1.8.0/util/crc32c.cc rename to deps/leveldb-1.10.0/util/crc32c.cc diff --git a/deps/leveldb-1.8.0/util/crc32c.h b/deps/leveldb-1.10.0/util/crc32c.h similarity index 100% rename from deps/leveldb-1.8.0/util/crc32c.h rename to deps/leveldb-1.10.0/util/crc32c.h diff --git a/deps/leveldb-1.8.0/util/crc32c_test.cc b/deps/leveldb-1.10.0/util/crc32c_test.cc similarity index 100% rename from deps/leveldb-1.8.0/util/crc32c_test.cc rename to deps/leveldb-1.10.0/util/crc32c_test.cc diff --git a/deps/leveldb-1.8.0/util/env.cc b/deps/leveldb-1.10.0/util/env.cc similarity index 100% rename from deps/leveldb-1.8.0/util/env.cc rename to deps/leveldb-1.10.0/util/env.cc diff --git a/deps/leveldb-1.8.0/util/env_posix.cc b/deps/leveldb-1.10.0/util/env_posix.cc similarity index 99% rename from deps/leveldb-1.8.0/util/env_posix.cc rename to deps/leveldb-1.10.0/util/env_posix.cc index 78e09c9..bb58c1d 100644 --- a/deps/leveldb-1.8.0/util/env_posix.cc +++ b/deps/leveldb-1.10.0/util/env_posix.cc @@ -385,7 +385,7 @@ class PosixEnv : public Env { PosixEnv(); virtual ~PosixEnv() { fprintf(stderr, "Destroying Env::Default()\n"); - exit(1); + abort(); } virtual Status NewSequentialFile(const std::string& fname, @@ -588,7 +588,7 @@ class PosixEnv : public Env { void PthreadCall(const char* label, int result) { if (result != 0) { fprintf(stderr, "pthread %s: %s\n", label, strerror(result)); - exit(1); + abort(); } } diff --git a/deps/leveldb-1.8.0/util/env_test.cc b/deps/leveldb-1.10.0/util/env_test.cc similarity index 100% rename from deps/leveldb-1.8.0/util/env_test.cc rename to deps/leveldb-1.10.0/util/env_test.cc diff --git a/deps/leveldb-1.8.0/util/filter_policy.cc b/deps/leveldb-1.10.0/util/filter_policy.cc similarity index 100% rename from deps/leveldb-1.8.0/util/filter_policy.cc rename to deps/leveldb-1.10.0/util/filter_policy.cc diff --git a/deps/leveldb-1.8.0/util/hash.cc b/deps/leveldb-1.10.0/util/hash.cc similarity index 72% rename from deps/leveldb-1.8.0/util/hash.cc rename to deps/leveldb-1.10.0/util/hash.cc index ba18180..07cf022 100644 --- a/deps/leveldb-1.8.0/util/hash.cc +++ b/deps/leveldb-1.10.0/util/hash.cc @@ -6,6 +6,13 @@ #include "util/coding.h" #include "util/hash.h" +// The FALLTHROUGH_INTENDED macro can be used to annotate implicit fall-through +// between switch labels. The real definition should be provided externally. +// This one is a fallback version for unsupported compilers. +#ifndef FALLTHROUGH_INTENDED +#define FALLTHROUGH_INTENDED do { } while (0) +#endif + namespace leveldb { uint32_t Hash(const char* data, size_t n, uint32_t seed) { @@ -28,10 +35,10 @@ uint32_t Hash(const char* data, size_t n, uint32_t seed) { switch (limit - data) { case 3: h += data[2] << 16; - // fall through + FALLTHROUGH_INTENDED; case 2: h += data[1] << 8; - // fall through + FALLTHROUGH_INTENDED; case 1: h += data[0]; h *= m; diff --git a/deps/leveldb-1.8.0/util/hash.h b/deps/leveldb-1.10.0/util/hash.h similarity index 100% rename from deps/leveldb-1.8.0/util/hash.h rename to deps/leveldb-1.10.0/util/hash.h diff --git a/deps/leveldb-1.8.0/util/histogram.cc b/deps/leveldb-1.10.0/util/histogram.cc similarity index 100% rename from deps/leveldb-1.8.0/util/histogram.cc rename to deps/leveldb-1.10.0/util/histogram.cc diff --git a/deps/leveldb-1.8.0/util/histogram.h b/deps/leveldb-1.10.0/util/histogram.h similarity index 100% rename from deps/leveldb-1.8.0/util/histogram.h rename to deps/leveldb-1.10.0/util/histogram.h diff --git a/deps/leveldb-1.8.0/util/logging.cc b/deps/leveldb-1.10.0/util/logging.cc similarity index 100% rename from deps/leveldb-1.8.0/util/logging.cc rename to deps/leveldb-1.10.0/util/logging.cc diff --git a/deps/leveldb-1.8.0/util/logging.h b/deps/leveldb-1.10.0/util/logging.h similarity index 100% rename from deps/leveldb-1.8.0/util/logging.h rename to deps/leveldb-1.10.0/util/logging.h diff --git a/deps/leveldb-1.8.0/util/mutexlock.h b/deps/leveldb-1.10.0/util/mutexlock.h similarity index 100% rename from deps/leveldb-1.8.0/util/mutexlock.h rename to deps/leveldb-1.10.0/util/mutexlock.h diff --git a/deps/leveldb-1.8.0/util/options.cc b/deps/leveldb-1.10.0/util/options.cc similarity index 100% rename from deps/leveldb-1.8.0/util/options.cc rename to deps/leveldb-1.10.0/util/options.cc diff --git a/deps/leveldb-1.8.0/util/posix_logger.h b/deps/leveldb-1.10.0/util/posix_logger.h similarity index 100% rename from deps/leveldb-1.8.0/util/posix_logger.h rename to deps/leveldb-1.10.0/util/posix_logger.h diff --git a/deps/leveldb-1.8.0/util/random.h b/deps/leveldb-1.10.0/util/random.h similarity index 100% rename from deps/leveldb-1.8.0/util/random.h rename to deps/leveldb-1.10.0/util/random.h diff --git a/deps/leveldb-1.8.0/util/status.cc b/deps/leveldb-1.10.0/util/status.cc similarity index 100% rename from deps/leveldb-1.8.0/util/status.cc rename to deps/leveldb-1.10.0/util/status.cc diff --git a/deps/leveldb-1.8.0/util/testharness.cc b/deps/leveldb-1.10.0/util/testharness.cc similarity index 100% rename from deps/leveldb-1.8.0/util/testharness.cc rename to deps/leveldb-1.10.0/util/testharness.cc diff --git a/deps/leveldb-1.8.0/util/testharness.h b/deps/leveldb-1.10.0/util/testharness.h similarity index 100% rename from deps/leveldb-1.8.0/util/testharness.h rename to deps/leveldb-1.10.0/util/testharness.h diff --git a/deps/leveldb-1.8.0/util/testutil.cc b/deps/leveldb-1.10.0/util/testutil.cc similarity index 100% rename from deps/leveldb-1.8.0/util/testutil.cc rename to deps/leveldb-1.10.0/util/testutil.cc diff --git a/deps/leveldb-1.8.0/util/testutil.h b/deps/leveldb-1.10.0/util/testutil.h similarity index 100% rename from deps/leveldb-1.8.0/util/testutil.h rename to deps/leveldb-1.10.0/util/testutil.h diff --git a/deps/snappy-1.0.5/.deps/snappy-c.Plo b/deps/snappy-1.0.5/.deps/snappy-c.Plo deleted file mode 100644 index 3b3cbab..0000000 --- a/deps/snappy-1.0.5/.deps/snappy-c.Plo +++ /dev/null @@ -1,218 +0,0 @@ -snappy-c.lo: snappy-c.cc snappy.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/include/stddef.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/string \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/x86_64-redhat-linux/bits/c++config.h \ - /usr/include/bits/wordsize.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/x86_64-redhat-linux/bits/os_defines.h \ - /usr/include/features.h /usr/include/sys/cdefs.h \ - /usr/include/gnu/stubs.h /usr/include/gnu/stubs-64.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/x86_64-redhat-linux/bits/cpu_defines.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/stringfwd.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/char_traits.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/stl_algobase.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/cstddef \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/functexcept.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/exception_defines.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/cpp_type_traits.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/ext/type_traits.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/ext/numeric_traits.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/stl_pair.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/move.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/concept_check.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/stl_iterator_base_types.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/stl_iterator_base_funcs.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/stl_iterator.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/debug/debug.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/postypes.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/cwchar \ - /usr/include/wchar.h /usr/include/stdio.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/include/stdarg.h \ - /usr/include/bits/wchar.h /usr/include/xlocale.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/allocator.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/x86_64-redhat-linux/bits/c++allocator.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/ext/new_allocator.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/new \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/exception \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/localefwd.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/x86_64-redhat-linux/bits/c++locale.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/clocale \ - /usr/include/locale.h /usr/include/bits/locale.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/iosfwd \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/cctype \ - /usr/include/ctype.h /usr/include/bits/types.h \ - /usr/include/bits/typesizes.h /usr/include/endian.h \ - /usr/include/bits/endian.h /usr/include/bits/byteswap.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/ostream_insert.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/cxxabi-forced.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/stl_function.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/backward/binders.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/basic_string.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/ext/atomicity.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/x86_64-redhat-linux/bits/gthr.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/x86_64-redhat-linux/bits/gthr-default.h \ - /usr/include/pthread.h /usr/include/sched.h /usr/include/time.h \ - /usr/include/bits/sched.h /usr/include/bits/time.h \ - /usr/include/bits/pthreadtypes.h /usr/include/bits/setjmp.h \ - /usr/include/unistd.h /usr/include/bits/posix_opt.h \ - /usr/include/bits/environments.h /usr/include/bits/confname.h \ - /usr/include/getopt.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/x86_64-redhat-linux/bits/atomic_word.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/initializer_list \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/basic_string.tcc \ - snappy-stubs-public.h /usr/include/stdint.h snappy-c.h - -snappy.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/include/stddef.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/string: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/x86_64-redhat-linux/bits/c++config.h: - -/usr/include/bits/wordsize.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/x86_64-redhat-linux/bits/os_defines.h: - -/usr/include/features.h: - -/usr/include/sys/cdefs.h: - -/usr/include/gnu/stubs.h: - -/usr/include/gnu/stubs-64.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/x86_64-redhat-linux/bits/cpu_defines.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/stringfwd.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/char_traits.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/stl_algobase.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/cstddef: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/functexcept.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/exception_defines.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/cpp_type_traits.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/ext/type_traits.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/ext/numeric_traits.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/stl_pair.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/move.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/concept_check.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/stl_iterator_base_types.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/stl_iterator_base_funcs.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/stl_iterator.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/debug/debug.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/postypes.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/cwchar: - -/usr/include/wchar.h: - -/usr/include/stdio.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/include/stdarg.h: - -/usr/include/bits/wchar.h: - -/usr/include/xlocale.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/allocator.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/x86_64-redhat-linux/bits/c++allocator.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/ext/new_allocator.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/new: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/exception: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/localefwd.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/x86_64-redhat-linux/bits/c++locale.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/clocale: - -/usr/include/locale.h: - -/usr/include/bits/locale.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/iosfwd: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/cctype: - -/usr/include/ctype.h: - -/usr/include/bits/types.h: - -/usr/include/bits/typesizes.h: - -/usr/include/endian.h: - -/usr/include/bits/endian.h: - -/usr/include/bits/byteswap.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/ostream_insert.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/cxxabi-forced.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/stl_function.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/backward/binders.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/basic_string.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/ext/atomicity.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/x86_64-redhat-linux/bits/gthr.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/x86_64-redhat-linux/bits/gthr-default.h: - -/usr/include/pthread.h: - -/usr/include/sched.h: - -/usr/include/time.h: - -/usr/include/bits/sched.h: - -/usr/include/bits/time.h: - -/usr/include/bits/pthreadtypes.h: - -/usr/include/bits/setjmp.h: - -/usr/include/unistd.h: - -/usr/include/bits/posix_opt.h: - -/usr/include/bits/environments.h: - -/usr/include/bits/confname.h: - -/usr/include/getopt.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/x86_64-redhat-linux/bits/atomic_word.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/initializer_list: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/basic_string.tcc: - -snappy-stubs-public.h: - -/usr/include/stdint.h: - -snappy-c.h: diff --git a/deps/snappy-1.0.5/.deps/snappy-sinksource.Plo b/deps/snappy-1.0.5/.deps/snappy-sinksource.Plo deleted file mode 100644 index 7fdbeee..0000000 --- a/deps/snappy-1.0.5/.deps/snappy-sinksource.Plo +++ /dev/null @@ -1,24 +0,0 @@ -snappy-sinksource.lo: snappy-sinksource.cc /usr/include/string.h \ - /usr/include/features.h /usr/include/sys/cdefs.h \ - /usr/include/bits/wordsize.h /usr/include/gnu/stubs.h \ - /usr/include/gnu/stubs-64.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/include/stddef.h \ - /usr/include/xlocale.h snappy-sinksource.h - -/usr/include/string.h: - -/usr/include/features.h: - -/usr/include/sys/cdefs.h: - -/usr/include/bits/wordsize.h: - -/usr/include/gnu/stubs.h: - -/usr/include/gnu/stubs-64.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/include/stddef.h: - -/usr/include/xlocale.h: - -snappy-sinksource.h: diff --git a/deps/snappy-1.0.5/.deps/snappy-stubs-internal.Plo b/deps/snappy-1.0.5/.deps/snappy-stubs-internal.Plo deleted file mode 100644 index 3fba1c3..0000000 --- a/deps/snappy-1.0.5/.deps/snappy-stubs-internal.Plo +++ /dev/null @@ -1,335 +0,0 @@ -snappy-stubs-internal.lo: snappy-stubs-internal.cc \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/algorithm \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/stl_algobase.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/x86_64-redhat-linux/bits/c++config.h \ - /usr/include/bits/wordsize.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/x86_64-redhat-linux/bits/os_defines.h \ - /usr/include/features.h /usr/include/sys/cdefs.h \ - /usr/include/gnu/stubs.h /usr/include/gnu/stubs-64.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/x86_64-redhat-linux/bits/cpu_defines.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/cstddef \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/include/stddef.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/functexcept.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/exception_defines.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/cpp_type_traits.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/ext/type_traits.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/ext/numeric_traits.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/stl_pair.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/move.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/concept_check.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/stl_iterator_base_types.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/stl_iterator_base_funcs.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/stl_iterator.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/debug/debug.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/stl_algo.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/cstdlib \ - /usr/include/stdlib.h /usr/include/bits/waitflags.h \ - /usr/include/bits/waitstatus.h /usr/include/endian.h \ - /usr/include/bits/endian.h /usr/include/bits/byteswap.h \ - /usr/include/xlocale.h /usr/include/sys/types.h \ - /usr/include/bits/types.h /usr/include/bits/typesizes.h \ - /usr/include/time.h /usr/include/sys/select.h /usr/include/bits/select.h \ - /usr/include/bits/sigset.h /usr/include/bits/time.h \ - /usr/include/sys/sysmacros.h /usr/include/bits/pthreadtypes.h \ - /usr/include/alloca.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/algorithmfwd.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/initializer_list \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/stl_heap.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/stl_tempbuf.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/stl_construct.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/new \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/exception \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/stl_uninitialized.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/string \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/stringfwd.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/char_traits.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/postypes.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/cwchar \ - /usr/include/wchar.h /usr/include/stdio.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/include/stdarg.h \ - /usr/include/bits/wchar.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/allocator.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/x86_64-redhat-linux/bits/c++allocator.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/ext/new_allocator.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/localefwd.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/x86_64-redhat-linux/bits/c++locale.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/clocale \ - /usr/include/locale.h /usr/include/bits/locale.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/iosfwd \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/cctype \ - /usr/include/ctype.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/ostream_insert.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/cxxabi-forced.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/stl_function.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/backward/binders.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/basic_string.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/ext/atomicity.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/x86_64-redhat-linux/bits/gthr.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/x86_64-redhat-linux/bits/gthr-default.h \ - /usr/include/pthread.h /usr/include/sched.h /usr/include/bits/sched.h \ - /usr/include/bits/setjmp.h /usr/include/unistd.h \ - /usr/include/bits/posix_opt.h /usr/include/bits/environments.h \ - /usr/include/bits/confname.h /usr/include/getopt.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/x86_64-redhat-linux/bits/atomic_word.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/basic_string.tcc \ - snappy-stubs-internal.h config.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/iostream \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/ostream \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/ios \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/ios_base.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/locale_classes.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/locale_classes.tcc \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/streambuf \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/streambuf.tcc \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/basic_ios.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/locale_facets.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/cwctype \ - /usr/include/wctype.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/x86_64-redhat-linux/bits/ctype_base.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/streambuf_iterator.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/x86_64-redhat-linux/bits/ctype_inline.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/locale_facets.tcc \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/basic_ios.tcc \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/ostream.tcc \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/istream \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/istream.tcc \ - /usr/include/assert.h /usr/include/string.h /usr/include/sys/mman.h \ - /usr/include/bits/mman.h snappy-stubs-public.h /usr/include/stdint.h - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/algorithm: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/stl_algobase.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/x86_64-redhat-linux/bits/c++config.h: - -/usr/include/bits/wordsize.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/x86_64-redhat-linux/bits/os_defines.h: - -/usr/include/features.h: - -/usr/include/sys/cdefs.h: - -/usr/include/gnu/stubs.h: - -/usr/include/gnu/stubs-64.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/x86_64-redhat-linux/bits/cpu_defines.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/cstddef: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/include/stddef.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/functexcept.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/exception_defines.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/cpp_type_traits.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/ext/type_traits.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/ext/numeric_traits.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/stl_pair.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/move.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/concept_check.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/stl_iterator_base_types.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/stl_iterator_base_funcs.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/stl_iterator.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/debug/debug.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/stl_algo.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/cstdlib: - -/usr/include/stdlib.h: - -/usr/include/bits/waitflags.h: - -/usr/include/bits/waitstatus.h: - -/usr/include/endian.h: - -/usr/include/bits/endian.h: - -/usr/include/bits/byteswap.h: - -/usr/include/xlocale.h: - -/usr/include/sys/types.h: - -/usr/include/bits/types.h: - -/usr/include/bits/typesizes.h: - -/usr/include/time.h: - -/usr/include/sys/select.h: - -/usr/include/bits/select.h: - -/usr/include/bits/sigset.h: - -/usr/include/bits/time.h: - -/usr/include/sys/sysmacros.h: - -/usr/include/bits/pthreadtypes.h: - -/usr/include/alloca.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/algorithmfwd.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/initializer_list: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/stl_heap.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/stl_tempbuf.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/stl_construct.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/new: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/exception: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/stl_uninitialized.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/string: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/stringfwd.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/char_traits.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/postypes.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/cwchar: - -/usr/include/wchar.h: - -/usr/include/stdio.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/include/stdarg.h: - -/usr/include/bits/wchar.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/allocator.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/x86_64-redhat-linux/bits/c++allocator.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/ext/new_allocator.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/localefwd.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/x86_64-redhat-linux/bits/c++locale.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/clocale: - -/usr/include/locale.h: - -/usr/include/bits/locale.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/iosfwd: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/cctype: - -/usr/include/ctype.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/ostream_insert.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/cxxabi-forced.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/stl_function.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/backward/binders.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/basic_string.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/ext/atomicity.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/x86_64-redhat-linux/bits/gthr.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/x86_64-redhat-linux/bits/gthr-default.h: - -/usr/include/pthread.h: - -/usr/include/sched.h: - -/usr/include/bits/sched.h: - -/usr/include/bits/setjmp.h: - -/usr/include/unistd.h: - -/usr/include/bits/posix_opt.h: - -/usr/include/bits/environments.h: - -/usr/include/bits/confname.h: - -/usr/include/getopt.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/x86_64-redhat-linux/bits/atomic_word.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/basic_string.tcc: - -snappy-stubs-internal.h: - -config.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/iostream: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/ostream: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/ios: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/ios_base.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/locale_classes.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/locale_classes.tcc: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/streambuf: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/streambuf.tcc: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/basic_ios.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/locale_facets.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/cwctype: - -/usr/include/wctype.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/x86_64-redhat-linux/bits/ctype_base.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/streambuf_iterator.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/x86_64-redhat-linux/bits/ctype_inline.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/locale_facets.tcc: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/basic_ios.tcc: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/ostream.tcc: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/istream: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/istream.tcc: - -/usr/include/assert.h: - -/usr/include/string.h: - -/usr/include/sys/mman.h: - -/usr/include/bits/mman.h: - -snappy-stubs-public.h: - -/usr/include/stdint.h: diff --git a/deps/snappy-1.0.5/.deps/snappy.Plo b/deps/snappy-1.0.5/.deps/snappy.Plo deleted file mode 100644 index 2f23ead..0000000 --- a/deps/snappy-1.0.5/.deps/snappy.Plo +++ /dev/null @@ -1,366 +0,0 @@ -snappy.lo: snappy.cc snappy.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/include/stddef.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/string \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/x86_64-redhat-linux/bits/c++config.h \ - /usr/include/bits/wordsize.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/x86_64-redhat-linux/bits/os_defines.h \ - /usr/include/features.h /usr/include/sys/cdefs.h \ - /usr/include/gnu/stubs.h /usr/include/gnu/stubs-64.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/x86_64-redhat-linux/bits/cpu_defines.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/stringfwd.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/char_traits.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/stl_algobase.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/cstddef \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/functexcept.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/exception_defines.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/cpp_type_traits.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/ext/type_traits.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/ext/numeric_traits.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/stl_pair.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/move.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/concept_check.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/stl_iterator_base_types.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/stl_iterator_base_funcs.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/stl_iterator.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/debug/debug.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/postypes.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/cwchar \ - /usr/include/wchar.h /usr/include/stdio.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/include/stdarg.h \ - /usr/include/bits/wchar.h /usr/include/xlocale.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/allocator.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/x86_64-redhat-linux/bits/c++allocator.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/ext/new_allocator.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/new \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/exception \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/localefwd.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/x86_64-redhat-linux/bits/c++locale.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/clocale \ - /usr/include/locale.h /usr/include/bits/locale.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/iosfwd \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/cctype \ - /usr/include/ctype.h /usr/include/bits/types.h \ - /usr/include/bits/typesizes.h /usr/include/endian.h \ - /usr/include/bits/endian.h /usr/include/bits/byteswap.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/ostream_insert.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/cxxabi-forced.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/stl_function.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/backward/binders.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/basic_string.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/ext/atomicity.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/x86_64-redhat-linux/bits/gthr.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/x86_64-redhat-linux/bits/gthr-default.h \ - /usr/include/pthread.h /usr/include/sched.h /usr/include/time.h \ - /usr/include/bits/sched.h /usr/include/bits/time.h \ - /usr/include/bits/pthreadtypes.h /usr/include/bits/setjmp.h \ - /usr/include/unistd.h /usr/include/bits/posix_opt.h \ - /usr/include/bits/environments.h /usr/include/bits/confname.h \ - /usr/include/getopt.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/x86_64-redhat-linux/bits/atomic_word.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/initializer_list \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/basic_string.tcc \ - 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/usr/include/sys/sysmacros.h /usr/include/alloca.h /usr/include/string.h \ - /usr/include/sys/mman.h /usr/include/bits/mman.h snappy-sinksource.h \ - /usr/include/libio.h /usr/include/_G_config.h \ - /usr/include/bits/stdio_lim.h /usr/include/bits/sys_errlist.h \ - /usr/include/bits/stdio.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/algorithm \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/stl_algo.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/cstdlib \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/algorithmfwd.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/stl_heap.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/stl_tempbuf.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/stl_construct.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/stl_uninitialized.h \ - 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-/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/stl_construct.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/stl_uninitialized.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/vector: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/stl_vector.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/stl_bvector.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/vector.tcc: diff --git a/deps/snappy-1.0.5/.deps/snappy_unittest-snappy-test.Po b/deps/snappy-1.0.5/.deps/snappy_unittest-snappy-test.Po deleted file mode 100644 index dd262b6..0000000 --- a/deps/snappy-1.0.5/.deps/snappy_unittest-snappy-test.Po +++ /dev/null @@ -1,361 +0,0 @@ -snappy_unittest-snappy-test.o: snappy-test.cc snappy-test.h \ - snappy-stubs-internal.h config.h \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/iostream \ - /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/x86_64-redhat-linux/bits/c++config.h \ - 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-/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/cstdlib: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/algorithmfwd.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/stl_heap.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/stl_tempbuf.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/stl_construct.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/stl_uninitialized.h: diff --git a/deps/snappy-1.0.5/.deps/snappy_unittest-snappy_unittest.Po b/deps/snappy-1.0.5/.deps/snappy_unittest-snappy_unittest.Po deleted file mode 100644 index 260e30f..0000000 --- a/deps/snappy-1.0.5/.deps/snappy_unittest-snappy_unittest.Po +++ /dev/null @@ -1,403 +0,0 @@ -snappy_unittest-snappy_unittest.o: snappy_unittest.cc /usr/include/math.h \ - /usr/include/features.h /usr/include/sys/cdefs.h \ - /usr/include/bits/wordsize.h /usr/include/gnu/stubs.h \ - 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-/usr/include/pthread.h: - -/usr/include/sched.h: - -/usr/include/bits/sched.h: - -/usr/include/bits/setjmp.h: - -/usr/include/unistd.h: - -/usr/include/bits/posix_opt.h: - -/usr/include/bits/environments.h: - -/usr/include/bits/confname.h: - -/usr/include/getopt.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/x86_64-redhat-linux/bits/atomic_word.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/basic_string.tcc: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/vector: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/stl_vector.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/stl_bvector.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/vector.tcc: - -snappy.h: - -snappy-stubs-public.h: - -/usr/include/stdint.h: - -snappy-internal.h: - -snappy-stubs-internal.h: - -config.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/iostream: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/ostream: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/ios: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/ios_base.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/locale_classes.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/locale_classes.tcc: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/streambuf: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/streambuf.tcc: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/basic_ios.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/locale_facets.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/cwctype: - -/usr/include/wctype.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/x86_64-redhat-linux/bits/ctype_base.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/streambuf_iterator.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/x86_64-redhat-linux/bits/ctype_inline.h: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/locale_facets.tcc: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/basic_ios.tcc: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/ostream.tcc: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/istream: - -/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/bits/istream.tcc: - -/usr/include/assert.h: - -/usr/include/string.h: - -/usr/include/sys/mman.h: - -/usr/include/bits/mman.h: - -snappy-test.h: - -/usr/include/libio.h: - -/usr/include/_G_config.h: - -/usr/include/bits/stdio_lim.h: - -/usr/include/bits/sys_errlist.h: - -/usr/include/bits/stdio.h: - -/usr/include/sys/resource.h: - -/usr/include/bits/resource.h: - -/usr/include/sys/time.h: - -/usr/local/include/zlib.h: - -/usr/local/include/zconf.h: - -snappy-sinksource.h: diff --git a/deps/snappy-1.0.5/AUTHORS b/deps/snappy-1.0.5/AUTHORS deleted file mode 100644 index 4858b37..0000000 --- a/deps/snappy-1.0.5/AUTHORS +++ /dev/null @@ -1 +0,0 @@ -opensource@google.com diff --git a/deps/snappy-1.0.5/COPYING b/deps/snappy-1.0.5/COPYING deleted file mode 100644 index 8d6bd9f..0000000 --- a/deps/snappy-1.0.5/COPYING +++ /dev/null @@ -1,28 +0,0 @@ -Copyright 2011, Google Inc. -All rights reserved. - -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions are -met: - - * Redistributions of source code must retain the above copyright -notice, this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above -copyright notice, this list of conditions and the following disclaimer -in the documentation and/or other materials provided with the -distribution. - * Neither the name of Google Inc. nor the names of its -contributors may be used to endorse or promote products derived from -this software without specific prior written permission. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/deps/snappy-1.0.5/ChangeLog b/deps/snappy-1.0.5/ChangeLog deleted file mode 100644 index f79491b..0000000 --- a/deps/snappy-1.0.5/ChangeLog +++ /dev/null @@ -1,1217 +0,0 @@ ------------------------------------------------------------------------- -r60 | snappy.mirrorbot@gmail.com | 2012-02-23 18:00:36 +0100 (Thu, 23 Feb 2012) | 57 lines - -For 32-bit platforms, do not try to accelerate multiple neighboring -32-bit loads with a 64-bit load during compression (it's not a win). - -The main target for this optimization is ARM, but 32-bit x86 gets -a small gain, too, although there is noise in the microbenchmarks. -It's a no-op for 64-bit x86. It does not affect decompression. - -Microbenchmark results on a Cortex-A9 1GHz, using g++ 4.6.2 (from -Ubuntu/Linaro), -O2 -DNDEBUG -Wa,-march=armv7a -mtune=cortex-a9 --mthumb-interwork, minimum 1000 iterations: - - Benchmark Time(ns) CPU(ns) Iterations - --------------------------------------------------- - BM_ZFlat/0 1158277 1160000 1000 84.2MB/s html (23.57 %) [ +4.3%] - BM_ZFlat/1 14861782 14860000 1000 45.1MB/s urls (50.89 %) [ +1.1%] - BM_ZFlat/2 393595 390000 1000 310.5MB/s jpg (99.88 %) [ +0.0%] - BM_ZFlat/3 650583 650000 1000 138.4MB/s pdf (82.13 %) [ +3.1%] - BM_ZFlat/4 4661480 4660000 1000 83.8MB/s html4 (23.55 %) [ +4.3%] - BM_ZFlat/5 491973 490000 1000 47.9MB/s cp (48.12 %) [ +2.0%] - BM_ZFlat/6 193575 192678 1038 55.2MB/s c (42.40 %) [ +9.0%] - BM_ZFlat/7 62343 62754 3187 56.5MB/s lsp (48.37 %) [ +2.6%] - BM_ZFlat/8 17708468 17710000 1000 55.5MB/s xls (41.34 %) [ -0.3%] - BM_ZFlat/9 3755345 3760000 1000 38.6MB/s txt1 (59.81 %) [ +8.2%] - BM_ZFlat/10 3324217 3320000 1000 36.0MB/s txt2 (64.07 %) [ +4.2%] - BM_ZFlat/11 10139932 10140000 1000 40.1MB/s txt3 (57.11 %) [ +6.4%] - BM_ZFlat/12 13532109 13530000 1000 34.0MB/s txt4 (68.35 %) [ +5.0%] - BM_ZFlat/13 4690847 4690000 1000 104.4MB/s bin (18.21 %) [ +4.1%] - BM_ZFlat/14 830682 830000 1000 43.9MB/s sum (51.88 %) [ +1.2%] - BM_ZFlat/15 84784 85011 2235 47.4MB/s man (59.36 %) [ +1.1%] - BM_ZFlat/16 1293254 1290000 1000 87.7MB/s pb (23.15 %) [ +2.3%] - BM_ZFlat/17 2775155 2780000 1000 63.2MB/s gaviota (38.27 %) [+12.2%] - -Core i7 in 32-bit mode (only one run and 100 iterations, though, so noisy): - - Benchmark Time(ns) CPU(ns) Iterations - --------------------------------------------------- - BM_ZFlat/0 227582 223464 3043 437.0MB/s html (23.57 %) [ +7.4%] - BM_ZFlat/1 2982430 2918455 233 229.4MB/s urls (50.89 %) [ +2.9%] - BM_ZFlat/2 46967 46658 15217 2.5GB/s jpg (99.88 %) [ +0.0%] - BM_ZFlat/3 115298 114864 5833 783.2MB/s pdf (82.13 %) [ +1.5%] - BM_ZFlat/4 913440 899743 778 434.2MB/s html4 (23.55 %) [ +0.3%] - BM_ZFlat/5 110302 108571 7000 216.1MB/s cp (48.12 %) [ +0.0%] - BM_ZFlat/6 44409 43372 15909 245.2MB/s c (42.40 %) [ +0.8%] - BM_ZFlat/7 15713 15643 46667 226.9MB/s lsp (48.37 %) [ +2.7%] - BM_ZFlat/8 2625539 2602230 269 377.4MB/s xls (41.34 %) [ +1.4%] - BM_ZFlat/9 808884 811429 875 178.8MB/s txt1 (59.81 %) [ -3.9%] - BM_ZFlat/10 709532 700000 1000 170.5MB/s txt2 (64.07 %) [ +0.0%] - BM_ZFlat/11 2177682 2162162 333 188.2MB/s txt3 (57.11 %) [ -1.4%] - BM_ZFlat/12 2849640 2840000 250 161.8MB/s txt4 (68.35 %) [ -1.4%] - BM_ZFlat/13 849760 835476 778 585.8MB/s bin (18.21 %) [ +1.2%] - BM_ZFlat/14 165940 164571 4375 221.6MB/s sum (51.88 %) [ +1.4%] - BM_ZFlat/15 20939 20571 35000 196.0MB/s man (59.36 %) [ +2.1%] - BM_ZFlat/16 239209 236544 2917 478.1MB/s pb (23.15 %) [ +4.2%] - BM_ZFlat/17 616206 610000 1000 288.2MB/s gaviota (38.27 %) [ -1.6%] - -R=sanjay - ------------------------------------------------------------------------- -r59 | snappy.mirrorbot@gmail.com | 2012-02-21 18:02:17 +0100 (Tue, 21 Feb 2012) | 107 lines - -Enable the use of unaligned loads and stores for ARM-based architectures -where they are available (ARMv7 and higher). This gives a significant -speed boost on ARM, both for compression and decompression. -It should not affect x86 at all. - -There are more changes possible to speed up ARM, but it might not be -that easy to do without hurting x86 or making the code uglier. -Also, we de not try to use NEON yet. - -Microbenchmark results on a Cortex-A9 1GHz, using g++ 4.6.2 (from Ubuntu/Linaro), --O2 -DNDEBUG -Wa,-march=armv7a -mtune=cortex-a9 -mthumb-interwork: - -Benchmark Time(ns) CPU(ns) Iterations ---------------------------------------------------- -BM_UFlat/0 524806 529100 378 184.6MB/s html [+33.6%] -BM_UFlat/1 5139790 5200000 100 128.8MB/s urls [+28.8%] -BM_UFlat/2 86540 84166 1901 1.4GB/s jpg [ +0.6%] -BM_UFlat/3 215351 210176 904 428.0MB/s pdf [+29.8%] -BM_UFlat/4 2144490 2100000 100 186.0MB/s html4 [+33.3%] -BM_UFlat/5 194482 190000 1000 123.5MB/s cp [+36.2%] -BM_UFlat/6 91843 90175 2107 117.9MB/s c [+38.6%] -BM_UFlat/7 28535 28426 6684 124.8MB/s lsp [+34.7%] -BM_UFlat/8 9206600 9200000 100 106.7MB/s xls [+42.4%] -BM_UFlat/9 1865273 1886792 106 76.9MB/s txt1 [+32.5%] -BM_UFlat/10 1576809 1587301 126 75.2MB/s txt2 [+32.3%] -BM_UFlat/11 4968450 4900000 100 83.1MB/s txt3 [+32.7%] -BM_UFlat/12 6673970 6700000 100 68.6MB/s txt4 [+32.8%] -BM_UFlat/13 2391470 2400000 100 203.9MB/s bin [+29.2%] -BM_UFlat/14 334601 344827 522 105.8MB/s sum [+30.6%] -BM_UFlat/15 37404 38080 5252 105.9MB/s man [+33.8%] -BM_UFlat/16 535470 540540 370 209.2MB/s pb [+31.2%] -BM_UFlat/17 1875245 1886792 106 93.2MB/s gaviota [+37.8%] -BM_UValidate/0 178425 179533 1114 543.9MB/s html [ +2.7%] -BM_UValidate/1 2100450 2000000 100 334.8MB/s urls [ +5.0%] -BM_UValidate/2 1039 1044 172413 113.3GB/s jpg [ +3.4%] -BM_UValidate/3 59423 59470 3363 1.5GB/s pdf [ +7.8%] -BM_UValidate/4 760716 766283 261 509.8MB/s html4 [ +6.5%] -BM_ZFlat/0 1204632 1204819 166 81.1MB/s html (23.57 %) [+32.8%] -BM_ZFlat/1 15656190 15600000 100 42.9MB/s urls (50.89 %) [+27.6%] -BM_ZFlat/2 403336 410677 487 294.8MB/s jpg (99.88 %) [+16.5%] -BM_ZFlat/3 664073 671140 298 134.0MB/s pdf (82.13 %) [+28.4%] -BM_ZFlat/4 4961940 4900000 100 79.7MB/s html4 (23.55 %) [+30.6%] -BM_ZFlat/5 500664 501253 399 46.8MB/s cp (48.12 %) [+33.4%] -BM_ZFlat/6 217276 215982 926 49.2MB/s c (42.40 %) [+25.0%] -BM_ZFlat/7 64122 65487 3054 54.2MB/s lsp (48.37 %) [+36.1%] -BM_ZFlat/8 18045730 18000000 100 54.6MB/s xls (41.34 %) [+34.4%] -BM_ZFlat/9 4051530 4000000 100 36.3MB/s txt1 (59.81 %) [+25.0%] -BM_ZFlat/10 3451800 3500000 100 34.1MB/s txt2 (64.07 %) [+25.7%] -BM_ZFlat/11 11052340 11100000 100 36.7MB/s txt3 (57.11 %) [+24.3%] -BM_ZFlat/12 14538690 14600000 100 31.5MB/s txt4 (68.35 %) [+24.7%] -BM_ZFlat/13 5041850 5000000 100 97.9MB/s bin (18.21 %) [+32.0%] -BM_ZFlat/14 908840 909090 220 40.1MB/s sum (51.88 %) [+22.2%] -BM_ZFlat/15 86921 86206 1972 46.8MB/s man (59.36 %) [+42.2%] -BM_ZFlat/16 1312315 1315789 152 86.0MB/s pb (23.15 %) [+34.5%] -BM_ZFlat/17 3173120 3200000 100 54.9MB/s gaviota (38.27%) [+28.1%] - - -The move from 64-bit to 32-bit operations for the copies also affected 32-bit x86; -positive on the decompression side, and slightly negative on the compression side -(unless that is noise; I only ran once): - -Benchmark Time(ns) CPU(ns) Iterations ------------------------------------------------------ -BM_UFlat/0 86279 86140 7778 1.1GB/s html [ +7.5%] -BM_UFlat/1 839265 822622 778 813.9MB/s urls [ +9.4%] -BM_UFlat/2 9180 9143 87500 12.9GB/s jpg [ +1.2%] -BM_UFlat/3 35080 35000 20000 2.5GB/s pdf [+10.1%] -BM_UFlat/4 350318 345000 2000 1.1GB/s html4 [ +7.0%] -BM_UFlat/5 33808 33472 21212 701.0MB/s cp [ +9.0%] -BM_UFlat/6 15201 15214 46667 698.9MB/s c [+14.9%] -BM_UFlat/7 4652 4651 159091 762.9MB/s lsp [ +7.5%] -BM_UFlat/8 1285551 1282528 538 765.7MB/s xls [+10.7%] -BM_UFlat/9 282510 281690 2414 514.9MB/s txt1 [+13.6%] -BM_UFlat/10 243494 239286 2800 498.9MB/s txt2 [+14.4%] -BM_UFlat/11 743625 740000 1000 550.0MB/s txt3 [+14.3%] -BM_UFlat/12 999441 989717 778 464.3MB/s txt4 [+16.1%] -BM_UFlat/13 412402 410076 1707 1.2GB/s bin [ +7.3%] -BM_UFlat/14 54876 54000 10000 675.3MB/s sum [+13.0%] -BM_UFlat/15 6146 6100 100000 660.8MB/s man [+14.8%] -BM_UFlat/16 90496 90286 8750 1.2GB/s pb [ +4.0%] -BM_UFlat/17 292650 292000 2500 602.0MB/s gaviota [+18.1%] -BM_UValidate/0 49620 49699 14286 1.9GB/s html [ +0.0%] -BM_UValidate/1 501371 500000 1000 1.3GB/s urls [ +0.0%] -BM_UValidate/2 232 227 3043478 521.5GB/s jpg [ +1.3%] -BM_UValidate/3 17250 17143 43750 5.1GB/s pdf [ -1.3%] -BM_UValidate/4 198643 200000 3500 1.9GB/s html4 [ -0.9%] -BM_ZFlat/0 227128 229415 3182 425.7MB/s html (23.57 %) [ -1.4%] -BM_ZFlat/1 2970089 2960000 250 226.2MB/s urls (50.89 %) [ -1.9%] -BM_ZFlat/2 45683 44999 15556 2.6GB/s jpg (99.88 %) [ +2.2%] -BM_ZFlat/3 114661 113136 6364 795.1MB/s pdf (82.13 %) [ -1.5%] -BM_ZFlat/4 919702 914286 875 427.2MB/s html4 (23.55%) [ -1.3%] -BM_ZFlat/5 108189 108422 6364 216.4MB/s cp (48.12 %) [ -1.2%] -BM_ZFlat/6 44525 44000 15909 241.7MB/s c (42.40 %) [ -2.9%] -BM_ZFlat/7 15973 15857 46667 223.8MB/s lsp (48.37 %) [ +0.0%] -BM_ZFlat/8 2677888 2639405 269 372.1MB/s xls (41.34 %) [ -1.4%] -BM_ZFlat/9 800715 780000 1000 186.0MB/s txt1 (59.81 %) [ -0.4%] -BM_ZFlat/10 700089 700000 1000 170.5MB/s txt2 (64.07 %) [ -2.9%] -BM_ZFlat/11 2159356 2138365 318 190.3MB/s txt3 (57.11 %) [ -0.3%] -BM_ZFlat/12 2796143 2779923 259 165.3MB/s txt4 (68.35 %) [ -1.4%] -BM_ZFlat/13 856458 835476 778 585.8MB/s bin (18.21 %) [ -0.1%] -BM_ZFlat/14 166908 166857 4375 218.6MB/s sum (51.88 %) [ -1.4%] -BM_ZFlat/15 21181 20857 35000 193.3MB/s man (59.36 %) [ -0.8%] -BM_ZFlat/16 244009 239973 2917 471.3MB/s pb (23.15 %) [ -1.4%] -BM_ZFlat/17 596362 590000 1000 297.9MB/s gaviota (38.27%) [ +0.0%] - -R=sanjay - ------------------------------------------------------------------------- -r58 | snappy.mirrorbot@gmail.com | 2012-02-11 23:11:22 +0100 (Sat, 11 Feb 2012) | 9 lines - -Lower the size allocated in the "corrupted input" unit test from 256 MB -to 2 MB. This fixes issues with running the unit test on platforms with -little RAM (e.g. some ARM boards). - -Also, reactivate the 2 MB test for 64-bit platforms; there's no good -reason why it shouldn't be. - -R=sanjay - ------------------------------------------------------------------------- -r57 | snappy.mirrorbot@gmail.com | 2012-01-08 18:55:48 +0100 (Sun, 08 Jan 2012) | 2 lines - -Minor refactoring to accomodate changes in Google's internal code tree. - ------------------------------------------------------------------------- -r56 | snappy.mirrorbot@gmail.com | 2012-01-04 14:10:46 +0100 (Wed, 04 Jan 2012) | 19 lines - -Fix public issue r57: Fix most warnings with -Wall, mostly signed/unsigned -warnings. There are still some in the unit test, but the main .cc file should -be clean. We haven't enabled -Wall for the default build, since the unit test -is still not clean. - -This also fixes a real bug in the open-source implementation of -ReadFileToStringOrDie(); it would not detect errors correctly. - -I had to go through some pains to avoid performance loss as the types -were changed; I think there might still be some with 32-bit if and only if LFS -is enabled (ie., size_t is 64-bit), but for regular 32-bit and 64-bit I can't -see any losses, and I've diffed the generated GCC assembler between the old and -new code without seeing any significant choices. If anything, it's ever so -slightly faster. - -This may or may not enable compression of very large blocks (>2^32 bytes) -when size_t is 64-bit, but I haven't checked, and it is still not a supported -case. - ------------------------------------------------------------------------- -r55 | snappy.mirrorbot@gmail.com | 2012-01-04 11:46:39 +0100 (Wed, 04 Jan 2012) | 6 lines - -Add a framing format description. We do not have any implementation of this at -the current point, but there seems to be enough of a general interest in the -topic (cf. public bug #34). - -R=csilvers,sanjay - ------------------------------------------------------------------------- -r54 | snappy.mirrorbot@gmail.com | 2011-12-05 22:27:26 +0100 (Mon, 05 Dec 2011) | 81 lines - -Speed up decompression by moving the refill check to the end of the loop. - -This seems to work because in most of the branches, the compiler can evaluate -“ip_limit_ - ip” in a more efficient way than reloading ip_limit_ from memory -(either by already having the entire expression in a register, or reconstructing -it from “avail”, or something else). Memory loads, even from L1, are seemingly -costly in the big picture at the current decompression speeds. - -Microbenchmarks (64-bit, opt mode): - -Westmere (Intel Core i7): - - Benchmark Time(ns) CPU(ns) Iterations - -------------------------------------------- - BM_UFlat/0 74492 74491 187894 1.3GB/s html [ +5.9%] - BM_UFlat/1 712268 712263 19644 940.0MB/s urls [ +3.8%] - BM_UFlat/2 10591 10590 1000000 11.2GB/s jpg [ -6.8%] - BM_UFlat/3 29643 29643 469915 3.0GB/s pdf [ +7.9%] - BM_UFlat/4 304669 304667 45930 1.3GB/s html4 [ +4.8%] - BM_UFlat/5 28508 28507 490077 823.1MB/s cp [ +4.0%] - BM_UFlat/6 12415 12415 1000000 856.5MB/s c [ +8.6%] - BM_UFlat/7 3415 3415 4084723 1039.0MB/s lsp [+18.0%] - BM_UFlat/8 979569 979563 14261 1002.5MB/s xls [ +5.8%] - BM_UFlat/9 230150 230148 60934 630.2MB/s txt1 [ +5.2%] - BM_UFlat/10 197167 197166 71135 605.5MB/s txt2 [ +4.7%] - BM_UFlat/11 607394 607390 23041 670.1MB/s txt3 [ +5.6%] - BM_UFlat/12 808502 808496 17316 568.4MB/s txt4 [ +5.0%] - BM_UFlat/13 372791 372788 37564 1.3GB/s bin [ +3.3%] - BM_UFlat/14 44541 44541 313969 818.8MB/s sum [ +5.7%] - BM_UFlat/15 4833 4833 2898697 834.1MB/s man [ +4.8%] - BM_UFlat/16 79855 79855 175356 1.4GB/s pb [ +4.8%] - BM_UFlat/17 245845 245843 56838 715.0MB/s gaviota [ +5.8%] - -Clovertown (Intel Core 2): - - Benchmark Time(ns) CPU(ns) Iterations - -------------------------------------------- - BM_UFlat/0 107911 107890 100000 905.1MB/s html [ +2.2%] - BM_UFlat/1 1011237 1011041 10000 662.3MB/s urls [ +2.5%] - BM_UFlat/2 26775 26770 523089 4.4GB/s jpg [ +0.0%] - BM_UFlat/3 48103 48095 290618 1.8GB/s pdf [ +3.4%] - BM_UFlat/4 437724 437644 31937 892.6MB/s html4 [ +2.1%] - BM_UFlat/5 39607 39600 358284 592.5MB/s cp [ +2.4%] - BM_UFlat/6 18227 18224 768191 583.5MB/s c [ +2.7%] - BM_UFlat/7 5171 5170 2709437 686.4MB/s lsp [ +3.9%] - BM_UFlat/8 1560291 1559989 8970 629.5MB/s xls [ +3.6%] - BM_UFlat/9 335401 335343 41731 432.5MB/s txt1 [ +3.0%] - BM_UFlat/10 287014 286963 48758 416.0MB/s txt2 [ +2.8%] - BM_UFlat/11 888522 888356 15752 458.1MB/s txt3 [ +2.9%] - BM_UFlat/12 1186600 1186378 10000 387.3MB/s txt4 [ +3.1%] - BM_UFlat/13 572295 572188 24468 855.4MB/s bin [ +2.1%] - BM_UFlat/14 64060 64049 218401 569.4MB/s sum [ +4.1%] - BM_UFlat/15 7264 7263 1916168 555.0MB/s man [ +1.4%] - BM_UFlat/16 108853 108836 100000 1039.1MB/s pb [ +1.7%] - BM_UFlat/17 364289 364223 38419 482.6MB/s gaviota [ +4.9%] - -Barcelona (AMD Opteron): - - Benchmark Time(ns) CPU(ns) Iterations - -------------------------------------------- - BM_UFlat/0 103900 103871 100000 940.2MB/s html [ +8.3%] - BM_UFlat/1 1000435 1000107 10000 669.5MB/s urls [ +6.6%] - BM_UFlat/2 24659 24652 567362 4.8GB/s jpg [ +0.1%] - BM_UFlat/3 48206 48193 291121 1.8GB/s pdf [ +5.0%] - BM_UFlat/4 421980 421850 33174 926.0MB/s html4 [ +7.3%] - BM_UFlat/5 40368 40357 346994 581.4MB/s cp [ +8.7%] - BM_UFlat/6 19836 19830 708695 536.2MB/s c [ +8.0%] - BM_UFlat/7 6100 6098 2292774 581.9MB/s lsp [ +9.0%] - BM_UFlat/8 1693093 1692514 8261 580.2MB/s xls [ +8.0%] - BM_UFlat/9 365991 365886 38225 396.4MB/s txt1 [ +7.1%] - BM_UFlat/10 311330 311238 44950 383.6MB/s txt2 [ +7.6%] - BM_UFlat/11 975037 974737 14376 417.5MB/s txt3 [ +6.9%] - BM_UFlat/12 1303558 1303175 10000 352.6MB/s txt4 [ +7.3%] - BM_UFlat/13 517448 517290 27144 946.2MB/s bin [ +5.5%] - BM_UFlat/14 66537 66518 210352 548.3MB/s sum [ +7.5%] - BM_UFlat/15 7976 7974 1760383 505.6MB/s man [ +5.6%] - BM_UFlat/16 103121 103092 100000 1097.0MB/s pb [ +8.7%] - BM_UFlat/17 391431 391314 35733 449.2MB/s gaviota [ +6.5%] - -R=sanjay - ------------------------------------------------------------------------- -r53 | snappy.mirrorbot@gmail.com | 2011-11-23 12:14:17 +0100 (Wed, 23 Nov 2011) | 88 lines - -Speed up decompression by making the fast path for literals faster. - -We do the fast-path step as soon as possible; in fact, as soon as we know the -literal length. Since we usually hit the fast path, we can then skip the checks -for long literals and available input space (beyond what the fast path check -already does). - -Note that this changes the decompression Writer API; however, it does not -change the ABI, since writers are always templatized and as such never -cross compilation units. The new API is slightly more general, in that it -doesn't hard-code the value 16. Note that we also take care to check -for len <= 16 first, since the other two checks almost always succeed -(so we don't want to waste time checking for them until we have to). - -The improvements are most marked on Nehalem, but are generally positive -on other platforms as well. All microbenchmarks are 64-bit, opt. - -Clovertown (Core 2): - - Benchmark Time(ns) CPU(ns) Iterations - -------------------------------------------- - BM_UFlat/0 110226 110224 100000 886.0MB/s html [ +1.5%] - BM_UFlat/1 1036523 1036508 10000 646.0MB/s urls [ -0.8%] - BM_UFlat/2 26775 26775 522570 4.4GB/s jpg [ +0.0%] - BM_UFlat/3 49738 49737 280974 1.8GB/s pdf [ +0.3%] - BM_UFlat/4 446790 446792 31334 874.3MB/s html4 [ +0.8%] - BM_UFlat/5 40561 40562 350424 578.5MB/s cp [ +1.3%] - BM_UFlat/6 18722 18722 746903 568.0MB/s c [ +1.4%] - BM_UFlat/7 5373 5373 2608632 660.5MB/s lsp [ +8.3%] - BM_UFlat/8 1615716 1615718 8670 607.8MB/s xls [ +2.0%] - BM_UFlat/9 345278 345281 40481 420.1MB/s txt1 [ +1.4%] - BM_UFlat/10 294855 294855 47452 404.9MB/s txt2 [ +1.6%] - BM_UFlat/11 914263 914263 15316 445.2MB/s txt3 [ +1.1%] - BM_UFlat/12 1222694 1222691 10000 375.8MB/s txt4 [ +1.4%] - BM_UFlat/13 584495 584489 23954 837.4MB/s bin [ -0.6%] - BM_UFlat/14 66662 66662 210123 547.1MB/s sum [ +1.2%] - BM_UFlat/15 7368 7368 1881856 547.1MB/s man [ +4.0%] - BM_UFlat/16 110727 110726 100000 1021.4MB/s pb [ +2.3%] - BM_UFlat/17 382138 382141 36616 460.0MB/s gaviota [ -0.7%] - -Westmere (Core i7): - - Benchmark Time(ns) CPU(ns) Iterations - -------------------------------------------- - BM_UFlat/0 78861 78853 177703 1.2GB/s html [ +2.1%] - BM_UFlat/1 739560 739491 18912 905.4MB/s urls [ +3.4%] - BM_UFlat/2 9867 9866 1419014 12.0GB/s jpg [ +3.4%] - BM_UFlat/3 31989 31986 438385 2.7GB/s pdf [ +0.2%] - BM_UFlat/4 319406 319380 43771 1.2GB/s html4 [ +1.9%] - BM_UFlat/5 29639 29636 472862 791.7MB/s cp [ +5.2%] - BM_UFlat/6 13478 13477 1000000 789.0MB/s c [ +2.3%] - BM_UFlat/7 4030 4029 3475364 880.7MB/s lsp [ +8.7%] - BM_UFlat/8 1036585 1036492 10000 947.5MB/s xls [ +6.9%] - BM_UFlat/9 242127 242105 57838 599.1MB/s txt1 [ +3.0%] - BM_UFlat/10 206499 206480 67595 578.2MB/s txt2 [ +3.4%] - BM_UFlat/11 641635 641570 21811 634.4MB/s txt3 [ +2.4%] - BM_UFlat/12 848847 848769 16443 541.4MB/s txt4 [ +3.1%] - BM_UFlat/13 384968 384938 36366 1.2GB/s bin [ +0.3%] - BM_UFlat/14 47106 47101 297770 774.3MB/s sum [ +4.4%] - BM_UFlat/15 5063 5063 2772202 796.2MB/s man [ +7.7%] - BM_UFlat/16 83663 83656 167697 1.3GB/s pb [ +1.8%] - BM_UFlat/17 260224 260198 53823 675.6MB/s gaviota [ -0.5%] - -Barcelona (Opteron): - - Benchmark Time(ns) CPU(ns) Iterations - -------------------------------------------- - BM_UFlat/0 112490 112457 100000 868.4MB/s html [ -0.4%] - BM_UFlat/1 1066719 1066339 10000 627.9MB/s urls [ +1.0%] - BM_UFlat/2 24679 24672 563802 4.8GB/s jpg [ +0.7%] - BM_UFlat/3 50603 50589 277285 1.7GB/s pdf [ +2.6%] - BM_UFlat/4 452982 452849 30900 862.6MB/s html4 [ -0.2%] - BM_UFlat/5 43860 43848 319554 535.1MB/s cp [ +1.2%] - BM_UFlat/6 21419 21413 653573 496.6MB/s c [ +1.0%] - BM_UFlat/7 6646 6645 2105405 534.1MB/s lsp [ +0.3%] - BM_UFlat/8 1828487 1827886 7658 537.3MB/s xls [ +2.6%] - BM_UFlat/9 391824 391714 35708 370.3MB/s txt1 [ +2.2%] - BM_UFlat/10 334913 334816 41885 356.6MB/s txt2 [ +1.7%] - BM_UFlat/11 1042062 1041674 10000 390.7MB/s txt3 [ +1.1%] - BM_UFlat/12 1398902 1398456 10000 328.6MB/s txt4 [ +1.7%] - BM_UFlat/13 545706 545530 25669 897.2MB/s bin [ -0.4%] - BM_UFlat/14 71512 71505 196035 510.0MB/s sum [ +1.4%] - BM_UFlat/15 8422 8421 1665036 478.7MB/s man [ +2.6%] - BM_UFlat/16 112053 112048 100000 1009.3MB/s pb [ -0.4%] - BM_UFlat/17 416723 416713 33612 421.8MB/s gaviota [ -2.0%] - -R=sanjay - ------------------------------------------------------------------------- -r52 | snappy.mirrorbot@gmail.com | 2011-11-08 15:46:39 +0100 (Tue, 08 Nov 2011) | 5 lines - -Fix public issue #53: Update the README to the API we actually open-sourced -with. - -R=sanjay - ------------------------------------------------------------------------- -r51 | snappy.mirrorbot@gmail.com | 2011-10-05 14:27:12 +0200 (Wed, 05 Oct 2011) | 5 lines - -In the format description, use a clearer example to emphasize that varints are -stored in little-endian. Patch from Christian von Roques. - -R=csilvers - ------------------------------------------------------------------------- -r50 | snappy.mirrorbot@gmail.com | 2011-09-15 21:34:06 +0200 (Thu, 15 Sep 2011) | 4 lines - -Release Snappy 1.0.4. - -R=sanjay - ------------------------------------------------------------------------- -r49 | snappy.mirrorbot@gmail.com | 2011-09-15 11:50:05 +0200 (Thu, 15 Sep 2011) | 5 lines - -Fix public issue #50: Include generic byteswap macros. -Also include Solaris 10 and FreeBSD versions. - -R=csilvers - ------------------------------------------------------------------------- -r48 | snappy.mirrorbot@gmail.com | 2011-08-10 20:57:27 +0200 (Wed, 10 Aug 2011) | 5 lines - -Partially fix public issue 50: Remove an extra comma from the end of some -enum declarations, as it seems the Sun compiler does not like it. - -Based on patch by Travis Vitek. - ------------------------------------------------------------------------- -r47 | snappy.mirrorbot@gmail.com | 2011-08-10 20:44:16 +0200 (Wed, 10 Aug 2011) | 4 lines - -Use the right #ifdef test for sys/mman.h. - -Based on patch by Travis Vitek. - ------------------------------------------------------------------------- -r46 | snappy.mirrorbot@gmail.com | 2011-08-10 03:22:09 +0200 (Wed, 10 Aug 2011) | 6 lines - -Fix public issue #47: Small comment cleanups in the unit test. - -Originally based on a patch by Patrick Pelletier. - -R=sanjay - ------------------------------------------------------------------------- -r45 | snappy.mirrorbot@gmail.com | 2011-08-10 03:14:43 +0200 (Wed, 10 Aug 2011) | 8 lines - -Fix public issue #46: Format description said "3-byte offset" -instead of "4-byte offset" for the longest copies. - -Also fix an inconsistency in the heading for section 2.2.3. -Both patches by Patrick Pelletier. - -R=csilvers - ------------------------------------------------------------------------- -r44 | snappy.mirrorbot@gmail.com | 2011-06-28 13:40:25 +0200 (Tue, 28 Jun 2011) | 8 lines - -Fix public issue #44: Make the definition and declaration of CompressFragment -identical, even regarding cv-qualifiers. - -This is required to work around a bug in the Solaris Studio C++ compiler -(it does not properly disregard cv-qualifiers when doing name mangling). - -R=sanjay - ------------------------------------------------------------------------- -r43 | snappy.mirrorbot@gmail.com | 2011-06-04 12:19:05 +0200 (Sat, 04 Jun 2011) | 7 lines - -Correct an inaccuracy in the Snappy format description. -(I stumbled into this when changing the way we decompress literals.) - -R=csilvers - -Revision created by MOE tool push_codebase. - ------------------------------------------------------------------------- -r42 | snappy.mirrorbot@gmail.com | 2011-06-03 22:53:06 +0200 (Fri, 03 Jun 2011) | 50 lines - -Speed up decompression by removing a fast-path attempt. - -Whenever we try to enter a copy fast-path, there is a certain cost in checking -that all the preconditions are in place, but it's normally offset by the fact -that we can usually take the cheaper path. However, in a certain path we've -already established that "avail < literal_length", which usually means that -either the available space is small, or the literal is big. Both will disqualify -us from taking the fast path, and thus we take the hit from the precondition -checking without gaining much from having a fast path. Thus, simply don't try -the fast path in this situation -- we're already on a slow path anyway -(one where we need to refill more data from the reader). - -I'm a bit surprised at how much this gained; it could be that this path is -more common than I thought, or that the simpler structure somehow makes the -compiler happier. I haven't looked at the assembler, but it's a win across -the board on both Core 2, Core i7 and Opteron, at least for the cases we -typically care about. The gains seem to be the largest on Core i7, though. -Results from my Core i7 workstation: - - - Benchmark Time(ns) CPU(ns) Iterations - --------------------------------------------------- - BM_UFlat/0 73337 73091 190996 1.3GB/s html [ +1.7%] - BM_UFlat/1 696379 693501 20173 965.5MB/s urls [ +2.7%] - BM_UFlat/2 9765 9734 1472135 12.1GB/s jpg [ +0.7%] - BM_UFlat/3 29720 29621 472973 3.0GB/s pdf [ +1.8%] - BM_UFlat/4 294636 293834 47782 1.3GB/s html4 [ +2.3%] - BM_UFlat/5 28399 28320 494700 828.5MB/s cp [ +3.5%] - BM_UFlat/6 12795 12760 1000000 833.3MB/s c [ +1.2%] - BM_UFlat/7 3984 3973 3526448 893.2MB/s lsp [ +5.7%] - BM_UFlat/8 991996 989322 14141 992.6MB/s xls [ +3.3%] - BM_UFlat/9 228620 227835 61404 636.6MB/s txt1 [ +4.0%] - BM_UFlat/10 197114 196494 72165 607.5MB/s txt2 [ +3.5%] - BM_UFlat/11 605240 603437 23217 674.4MB/s txt3 [ +3.7%] - BM_UFlat/12 804157 802016 17456 573.0MB/s txt4 [ +3.9%] - BM_UFlat/13 347860 346998 40346 1.4GB/s bin [ +1.2%] - BM_UFlat/14 44684 44559 315315 818.4MB/s sum [ +2.3%] - BM_UFlat/15 5120 5106 2739726 789.4MB/s man [ +3.3%] - BM_UFlat/16 76591 76355 183486 1.4GB/s pb [ +2.8%] - BM_UFlat/17 238564 237828 58824 739.1MB/s gaviota [ +1.6%] - BM_UValidate/0 42194 42060 333333 2.3GB/s html [ -0.1%] - BM_UValidate/1 433182 432005 32407 1.5GB/s urls [ -0.1%] - BM_UValidate/2 197 196 71428571 603.3GB/s jpg [ +0.5%] - BM_UValidate/3 14494 14462 972222 6.1GB/s pdf [ +0.5%] - BM_UValidate/4 168444 167836 83832 2.3GB/s html4 [ +0.1%] - -R=jeff - -Revision created by MOE tool push_codebase. - ------------------------------------------------------------------------- -r41 | snappy.mirrorbot@gmail.com | 2011-06-03 22:47:14 +0200 (Fri, 03 Jun 2011) | 43 lines - -Speed up decompression by not needing a lookup table for literal items. - -Looking up into and decoding the values from char_table has long shown up as a -hotspot in the decompressor. While it turns out that it's hard to make a more -efficient decoder for the copy ops, the literals are simple enough that we can -decode them without needing a table lookup. (This means that 1/4 of the table -is now unused, although that in itself doesn't buy us anything.) - -The gains are small, but definitely present; some tests win as much as 10%, -but 1-4% is more typical. These results are from Core i7, in 64-bit mode; -Core 2 and Opteron show similar results. (I've run with more iterations -than unusual to make sure the smaller gains don't drown entirely in noise.) - - Benchmark Time(ns) CPU(ns) Iterations - --------------------------------------------------- - BM_UFlat/0 74665 74428 182055 1.3GB/s html [ +3.1%] - BM_UFlat/1 714106 711997 19663 940.4MB/s urls [ +4.4%] - BM_UFlat/2 9820 9789 1427115 12.1GB/s jpg [ -1.2%] - BM_UFlat/3 30461 30380 465116 2.9GB/s pdf [ +0.8%] - BM_UFlat/4 301445 300568 46512 1.3GB/s html4 [ +2.2%] - BM_UFlat/5 29338 29263 479452 801.8MB/s cp [ +1.6%] - BM_UFlat/6 13004 12970 1000000 819.9MB/s c [ +2.1%] - BM_UFlat/7 4180 4168 3349282 851.4MB/s lsp [ +1.3%] - BM_UFlat/8 1026149 1024000 10000 959.0MB/s xls [+10.7%] - BM_UFlat/9 237441 236830 59072 612.4MB/s txt1 [ +0.3%] - BM_UFlat/10 203966 203298 69307 587.2MB/s txt2 [ +0.8%] - BM_UFlat/11 627230 625000 22400 651.2MB/s txt3 [ +0.7%] - BM_UFlat/12 836188 833979 16787 551.0MB/s txt4 [ +1.3%] - BM_UFlat/13 351904 350750 39886 1.4GB/s bin [ +3.8%] - BM_UFlat/14 45685 45562 308370 800.4MB/s sum [ +5.9%] - BM_UFlat/15 5286 5270 2656546 764.9MB/s man [ +1.5%] - BM_UFlat/16 78774 78544 178117 1.4GB/s pb [ +4.3%] - BM_UFlat/17 242270 241345 58091 728.3MB/s gaviota [ +1.2%] - BM_UValidate/0 42149 42000 333333 2.3GB/s html [ -3.0%] - BM_UValidate/1 432741 431303 32483 1.5GB/s urls [ +7.8%] - BM_UValidate/2 198 197 71428571 600.7GB/s jpg [+16.8%] - BM_UValidate/3 14560 14521 965517 6.1GB/s pdf [ -4.1%] - BM_UValidate/4 169065 168671 83832 2.3GB/s html4 [ -2.9%] - -R=jeff - -Revision created by MOE tool push_codebase. - ------------------------------------------------------------------------- -r40 | snappy.mirrorbot@gmail.com | 2011-06-03 00:57:41 +0200 (Fri, 03 Jun 2011) | 2 lines - -Release Snappy 1.0.3. - ------------------------------------------------------------------------- -r39 | snappy.mirrorbot@gmail.com | 2011-06-02 20:06:54 +0200 (Thu, 02 Jun 2011) | 11 lines - -Remove an unneeded goto in the decompressor; it turns out that the -state of ip_ after decompression (or attempted decompresion) is -completely irrelevant, so we don't need the trailer. - -Performance is, as expected, mostly flat -- there's a curious ~3-5% -loss in the "lsp" test, but that test case is so short it is hard to say -anything definitive about why (most likely, it's some sort of -unrelated effect). - -R=jeff - ------------------------------------------------------------------------- -r38 | snappy.mirrorbot@gmail.com | 2011-06-02 19:59:40 +0200 (Thu, 02 Jun 2011) | 52 lines - -Speed up decompression by caching ip_. - -It is seemingly hard for the compiler to understand that ip_, the current input -pointer into the compressed data stream, can not alias on anything else, and -thus using it directly will incur memory traffic as it cannot be kept in a -register. The code already knew about this and cached it into a local -variable, but since Step() only decoded one tag, it had to move ip_ back into -place between every tag. This seems to have cost us a significant amount of -performance, so changing Step() into a function that decodes as much as it can -before it saves ip_ back and returns. (Note that Step() was already inlined, -so it is not the manual inlining that buys the performance here.) - -The wins are about 3-6% for Core 2, 6-13% on Core i7 and 5-12% on Opteron -(for plain array-to-array decompression, in 64-bit opt mode). - -There is a tiny difference in the behavior here; if an invalid literal is -encountered (ie., the writer refuses the Append() operation), ip_ will now -point to the byte past the tag byte, instead of where the literal was -originally thought to end. However, we don't use ip_ for anything after -DecompressAllTags() has returned, so this should not change external behavior -in any way. - -Microbenchmark results for Core i7, 64-bit (Opteron results are similar): - -Benchmark Time(ns) CPU(ns) Iterations ---------------------------------------------------- -BM_UFlat/0 79134 79110 8835 1.2GB/s html [ +6.2%] -BM_UFlat/1 786126 786096 891 851.8MB/s urls [+10.0%] -BM_UFlat/2 9948 9948 69125 11.9GB/s jpg [ -1.3%] -BM_UFlat/3 31999 31998 21898 2.7GB/s pdf [ +6.5%] -BM_UFlat/4 318909 318829 2204 1.2GB/s html4 [ +6.5%] -BM_UFlat/5 31384 31390 22363 747.5MB/s cp [ +9.2%] -BM_UFlat/6 14037 14034 49858 757.7MB/s c [+10.6%] -BM_UFlat/7 4612 4612 151395 769.5MB/s lsp [ +9.5%] -BM_UFlat/8 1203174 1203007 582 816.3MB/s xls [+19.3%] -BM_UFlat/9 253869 253955 2757 571.1MB/s txt1 [+11.4%] -BM_UFlat/10 219292 219290 3194 544.4MB/s txt2 [+12.1%] -BM_UFlat/11 672135 672131 1000 605.5MB/s txt3 [+11.2%] -BM_UFlat/12 902512 902492 776 509.2MB/s txt4 [+12.5%] -BM_UFlat/13 372110 371998 1881 1.3GB/s bin [ +5.8%] -BM_UFlat/14 50407 50407 10000 723.5MB/s sum [+13.5%] -BM_UFlat/15 5699 5701 100000 707.2MB/s man [+12.4%] -BM_UFlat/16 83448 83424 8383 1.3GB/s pb [ +5.7%] -BM_UFlat/17 256958 256963 2723 684.1MB/s gaviota [ +7.9%] -BM_UValidate/0 42795 42796 16351 2.2GB/s html [+25.8%] -BM_UValidate/1 490672 490622 1427 1.3GB/s urls [+22.7%] -BM_UValidate/2 237 237 2950297 499.0GB/s jpg [+24.9%] -BM_UValidate/3 14610 14611 47901 6.0GB/s pdf [+26.8%] -BM_UValidate/4 171973 171990 4071 2.2GB/s html4 [+25.7%] - - - ------------------------------------------------------------------------- -r37 | snappy.mirrorbot@gmail.com | 2011-05-17 10:48:25 +0200 (Tue, 17 May 2011) | 10 lines - - -Fix the numbering of the headlines in the Snappy format description. - -R=csilvers -DELTA=4 (0 added, 0 deleted, 4 changed) - - -Revision created by MOE tool push_codebase. -MOE_MIGRATION=1906 - ------------------------------------------------------------------------- -r36 | snappy.mirrorbot@gmail.com | 2011-05-16 10:59:18 +0200 (Mon, 16 May 2011) | 12 lines - - -Fix public issue #32: Add compressed format documentation for Snappy. -This text is new, but an earlier version from Zeev Tarantov was used -as reference. - -R=csilvers -DELTA=112 (111 added, 0 deleted, 1 changed) - - -Revision created by MOE tool push_codebase. -MOE_MIGRATION=1867 - ------------------------------------------------------------------------- -r35 | snappy.mirrorbot@gmail.com | 2011-05-09 23:29:02 +0200 (Mon, 09 May 2011) | 12 lines - - -Fix public issue #39: Pick out the median runs based on CPU time, -not real time. Also, use nth_element instead of sort, since we -only need one element. - -R=csilvers -DELTA=5 (3 added, 0 deleted, 2 changed) - - -Revision created by MOE tool push_codebase. -MOE_MIGRATION=1799 - ------------------------------------------------------------------------- -r34 | snappy.mirrorbot@gmail.com | 2011-05-09 23:28:45 +0200 (Mon, 09 May 2011) | 19 lines - - -Fix public issue #38: Make the microbenchmark framework handle -properly cases where gettimeofday() can stand return the same -result twice (as sometimes on GNU/Hurd) or go backwards -(as when the user adjusts the clock). We avoid a division-by-zero, -and put a lower bound on the number of iterations -- the same -amount as we use to calibrate. - -We should probably use CLOCK_MONOTONIC for platforms that support -it, to be robust against clock adjustments; we already use Windows' -monotonic timers. However, that's for a later changelist. - -R=csilvers -DELTA=7 (5 added, 0 deleted, 2 changed) - - -Revision created by MOE tool push_codebase. -MOE_MIGRATION=1798 - ------------------------------------------------------------------------- -r33 | snappy.mirrorbot@gmail.com | 2011-05-04 01:22:52 +0200 (Wed, 04 May 2011) | 11 lines - - -Fix public issue #37: Only link snappy_unittest against -lz and other autodetected -libraries, not libsnappy.so (which doesn't need any such dependency). - -R=csilvers -DELTA=20 (14 added, 0 deleted, 6 changed) - - -Revision created by MOE tool push_codebase. -MOE_MIGRATION=1710 - ------------------------------------------------------------------------- -r32 | snappy.mirrorbot@gmail.com | 2011-05-04 01:22:33 +0200 (Wed, 04 May 2011) | 11 lines - - -Release Snappy 1.0.2, to get the license change and various other fixes into -a release. - -R=csilvers -DELTA=239 (236 added, 0 deleted, 3 changed) - - -Revision created by MOE tool push_codebase. -MOE_MIGRATION=1709 - ------------------------------------------------------------------------- -r31 | snappy.mirrorbot@gmail.com | 2011-04-26 14:34:55 +0200 (Tue, 26 Apr 2011) | 15 lines - - -Fix public issue #30: Stop using gettimeofday() altogether on Win32, -as MSVC doesn't include it. Replace with QueryPerformanceCounter(), -which is monotonic and probably reasonably high-resolution. -(Some machines have traditionally had bugs in QPC, but they should -be relatively rare these days, and there's really no much better -alternative that I know of.) - -R=csilvers -DELTA=74 (55 added, 19 deleted, 0 changed) - - -Revision created by MOE tool push_codebase. -MOE_MIGRATION=1556 - ------------------------------------------------------------------------- -r30 | snappy.mirrorbot@gmail.com | 2011-04-26 14:34:37 +0200 (Tue, 26 Apr 2011) | 11 lines - - -Fix public issue #31: Don't reset PATH in autogen.sh; instead, do the trickery -we need for our own build system internally. - -R=csilvers -DELTA=16 (13 added, 1 deleted, 2 changed) - - -Revision created by MOE tool push_codebase. -MOE_MIGRATION=1555 - ------------------------------------------------------------------------- -r29 | snappy.mirrorbot@gmail.com | 2011-04-16 00:55:56 +0200 (Sat, 16 Apr 2011) | 12 lines - - -When including , define WIN32_LEAN_AND_MEAN first, -so we won't pull in macro definitions of things like min() and max(), -which can conflict with . - -R=csilvers -DELTA=1 (1 added, 0 deleted, 0 changed) - - -Revision created by MOE tool push_codebase. -MOE_MIGRATION=1485 - ------------------------------------------------------------------------- -r28 | snappy.mirrorbot@gmail.com | 2011-04-11 11:07:01 +0200 (Mon, 11 Apr 2011) | 15 lines - - -Fix public issue #29: Write CPU timing code for Windows, based on GetProcessTimes() -instead of getursage(). - -I thought I'd already committed this patch, so that the 1.0.1 release already -would have a Windows-compatible snappy_unittest, but I'd seemingly deleted it -instead, so this is a reconstruction. - -R=csilvers -DELTA=43 (39 added, 3 deleted, 1 changed) - - -Revision created by MOE tool push_codebase. -MOE_MIGRATION=1295 - ------------------------------------------------------------------------- -r27 | snappy.mirrorbot@gmail.com | 2011-04-08 11:51:53 +0200 (Fri, 08 Apr 2011) | 22 lines - - -Include C bindings of Snappy, contributed by Martin Gieseking. - -I've made a few changes since Martin's version; mostly style nits, but also -a semantic change -- most functions that return bool in the C++ version now -return an enum, to better match typical C (and zlib) semantics. - -I've kept the copyright notice, since Martin is obviously the author here; -he has signed the contributor license agreement, though, so this should not -hinder Google's use in the future. - -We'll need to update the libtool version number to match the added interface, -but as of http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html -I'm going to wait until public release. - -R=csilvers -DELTA=238 (233 added, 0 deleted, 5 changed) - - -Revision created by MOE tool push_codebase. -MOE_MIGRATION=1294 - ------------------------------------------------------------------------- -r26 | snappy.mirrorbot@gmail.com | 2011-04-07 18:36:43 +0200 (Thu, 07 Apr 2011) | 13 lines - - -Replace geo.protodata with a newer version. - -The data compresses/decompresses slightly faster than the old data, and has -similar density. - -R=lookingbill -DELTA=1 (0 added, 0 deleted, 1 changed) - - -Revision created by MOE tool push_codebase. -MOE_MIGRATION=1288 - ------------------------------------------------------------------------- -r25 | snappy.mirrorbot@gmail.com | 2011-03-30 22:27:53 +0200 (Wed, 30 Mar 2011) | 12 lines - - -Fix public issue #27: Add HAVE_CONFIG_H tests around the config.h -inclusion in snappy-stubs-internal.h, which eases compiling outside the -automake/autoconf framework. - -R=csilvers -DELTA=5 (4 added, 1 deleted, 0 changed) - - -Revision created by MOE tool push_codebase. -MOE_MIGRATION=1152 - ------------------------------------------------------------------------- -r24 | snappy.mirrorbot@gmail.com | 2011-03-30 22:27:39 +0200 (Wed, 30 Mar 2011) | 13 lines - - -Fix public issue #26: Take memory allocation and reallocation entirely out of the -Measure() loop. This gives all algorithms a small speed boost, except Snappy which -already didn't do reallocation (so the measurements were slightly biased in its -favor). - -R=csilvers -DELTA=92 (69 added, 9 deleted, 14 changed) - - -Revision created by MOE tool push_codebase. -MOE_MIGRATION=1151 - ------------------------------------------------------------------------- -r23 | snappy.mirrorbot@gmail.com | 2011-03-30 22:25:09 +0200 (Wed, 30 Mar 2011) | 18 lines - - -Renamed "namespace zippy" to "namespace snappy" to reduce -the differences from the opensource code. Will make it easier -in the future to mix-and-match third-party code that uses -snappy with google code. - -Currently, csearch shows that the only external user of -"namespace zippy" is some bigtable code that accesses -a TEST variable, which is temporarily kept in the zippy -namespace. - -R=sesse -DELTA=123 (18 added, 3 deleted, 102 changed) - - -Revision created by MOE tool push_codebase. -MOE_MIGRATION=1150 - ------------------------------------------------------------------------- -r22 | snappy.mirrorbot@gmail.com | 2011-03-29 00:17:04 +0200 (Tue, 29 Mar 2011) | 11 lines - - -Put back the final few lines of what was truncated during the -license header change. - -R=csilvers -DELTA=5 (4 added, 0 deleted, 1 changed) - - -Revision created by MOE tool push_codebase. -MOE_MIGRATION=1094 - ------------------------------------------------------------------------- -r21 | snappy.mirrorbot@gmail.com | 2011-03-26 03:34:34 +0100 (Sat, 26 Mar 2011) | 20 lines - - -Change on 2011-03-25 19:18:00-07:00 by sesse - - Replace the Apache 2.0 license header by the BSD-type license header; - somehow a lot of the files were missed in the last round. - - R=dannyb,csilvers - DELTA=147 (74 added, 2 deleted, 71 changed) - -Change on 2011-03-25 19:25:07-07:00 by sesse - - Unbreak the build; the relicensing removed a bit too much (only comments - were intended, but I also accidentially removed some of the top lines of - the actual source). - - - -Revision created by MOE tool push_codebase. -MOE_MIGRATION=1072 - ------------------------------------------------------------------------- -r20 | snappy.mirrorbot@gmail.com | 2011-03-25 17:14:41 +0100 (Fri, 25 Mar 2011) | 10 lines - - -Change Snappy from the Apache 2.0 to a BSD-type license. - -R=dannyb -DELTA=328 (80 added, 184 deleted, 64 changed) - - -Revision created by MOE tool push_codebase. -MOE_MIGRATION=1061 - ------------------------------------------------------------------------- -r19 | snappy.mirrorbot@gmail.com | 2011-03-25 01:39:01 +0100 (Fri, 25 Mar 2011) | 11 lines - - -Release Snappy 1.0.1, to soup up all the various small changes -that have been made since release. - -R=csilvers -DELTA=266 (260 added, 0 deleted, 6 changed) - - -Revision created by MOE tool push_codebase. -MOE_MIGRATION=1057 - ------------------------------------------------------------------------- -r18 | snappy.mirrorbot@gmail.com | 2011-03-24 20:15:54 +0100 (Thu, 24 Mar 2011) | 11 lines - - -Fix a microbenchmark crash on mingw32; seemingly %lld is not universally -supported on Windows, and %I64d is recommended instead. - -R=csilvers -DELTA=6 (5 added, 0 deleted, 1 changed) - - -Revision created by MOE tool push_codebase. -MOE_MIGRATION=1034 - ------------------------------------------------------------------------- -r17 | snappy.mirrorbot@gmail.com | 2011-03-24 20:15:27 +0100 (Thu, 24 Mar 2011) | 13 lines - - -Fix public issue #19: Fix unit test when Google Test is installed but the -gflags package isn't (Google Test is not properly initialized). - -Patch by Martin Gieseking. - -R=csilvers -DELTA=2 (1 added, 0 deleted, 1 changed) - - -Revision created by MOE tool push_codebase. -MOE_MIGRATION=1033 - ------------------------------------------------------------------------- -r16 | snappy.mirrorbot@gmail.com | 2011-03-24 20:13:57 +0100 (Thu, 24 Mar 2011) | 15 lines - - -Make the unit test work on systems without mmap(). This is required for, -among others, Windows support. For Windows in specific, we could have used -CreateFileMapping/MapViewOfFile, but this should at least get us a bit closer -to compiling, and is of course also relevant for embedded systems with no MMU. - -(Part 2/2) - -R=csilvers -DELTA=15 (12 added, 3 deleted, 0 changed) - - -Revision created by MOE tool push_codebase. -MOE_MIGRATION=1032 - ------------------------------------------------------------------------- -r15 | snappy.mirrorbot@gmail.com | 2011-03-24 20:12:27 +0100 (Thu, 24 Mar 2011) | 15 lines - - -Make the unit test work on systems without mmap(). This is required for, -among others, Windows support. For Windows in specific, we could have used -CreateFileMapping/MapViewOfFile, but this should at least get us a bit closer -to compiling, and is of course also relevant for embedded systems with no MMU. - -(Part 1/2) - -R=csilvers -DELTA=9 (8 added, 0 deleted, 1 changed) - - -Revision created by MOE tool push_codebase. -MOE_MIGRATION=1031 - ------------------------------------------------------------------------- -r14 | snappy.mirrorbot@gmail.com | 2011-03-24 00:17:36 +0100 (Thu, 24 Mar 2011) | 14 lines - - -Fix public issue #12: Don't keep autogenerated auto* files in Subversion; -it causes problems with others sending patches etc.. - -We can't get this 100% hermetic anyhow, due to files like lt~obsolete.m4, -so we can just as well go cleanly in the other direction. - -R=csilvers -DELTA=21038 (0 added, 21036 deleted, 2 changed) - - -Revision created by MOE tool push_codebase. -MOE_MIGRATION=1012 - ------------------------------------------------------------------------- -r13 | snappy.mirrorbot@gmail.com | 2011-03-23 18:50:49 +0100 (Wed, 23 Mar 2011) | 11 lines - - -Fix public issue tracker bug #3: Call AC_SUBST([LIBTOOL_DEPS]), or the rule -to rebuild libtool in Makefile.am won't work. - -R=csilvers -DELTA=1 (1 added, 0 deleted, 0 changed) - - -Revision created by MOE tool push_codebase. -MOE_MIGRATION=997 - ------------------------------------------------------------------------- -r12 | snappy.mirrorbot@gmail.com | 2011-03-23 12:16:39 +0100 (Wed, 23 Mar 2011) | 11 lines - - -Fix public issue #10: Don't add GTEST_CPPFLAGS to snappy_unittest_CXXFLAGS; -it's not needed (CPPFLAGS are always included when compiling). - -R=csilvers -DELTA=1 (0 added, 1 deleted, 0 changed) - - -Revision created by MOE tool push_codebase. -MOE_MIGRATION=994 - ------------------------------------------------------------------------- -r11 | snappy.mirrorbot@gmail.com | 2011-03-23 12:16:18 +0100 (Wed, 23 Mar 2011) | 11 lines - - -Fix public issue #9: Add -Wall -Werror to automake flags. -(This concerns automake itself, not the C++ compiler.) - -R=csilvers -DELTA=4 (3 added, 0 deleted, 1 changed) - - -Revision created by MOE tool push_codebase. -MOE_MIGRATION=993 - ------------------------------------------------------------------------- -r10 | snappy.mirrorbot@gmail.com | 2011-03-23 12:13:37 +0100 (Wed, 23 Mar 2011) | 10 lines - - -Fix a typo in the Snappy README file. - -R=csilvers -DELTA=1 (0 added, 0 deleted, 1 changed) - - -Revision created by MOE tool push_codebase. -MOE_MIGRATION=992 - ------------------------------------------------------------------------- -r9 | snappy.mirrorbot@gmail.com | 2011-03-23 12:13:13 +0100 (Wed, 23 Mar 2011) | 11 lines - - -Fix public issue #6: Add a --with-gflags for disabling gflags autodetection -and using a manually given setting (use/don't use) instead. - -R=csilvers -DELTA=16 (13 added, 0 deleted, 3 changed) - - -Revision created by MOE tool push_codebase. -MOE_MIGRATION=991 - ------------------------------------------------------------------------- -r8 | snappy.mirrorbot@gmail.com | 2011-03-23 12:12:44 +0100 (Wed, 23 Mar 2011) | 12 lines - - -Fix public issue #5: Replace the EXTRA_LIBSNAPPY_LDFLAGS setup with something -slightly more standard, that also doesn't leak libtool command-line into -configure.ac. - -R=csilvers -DELTA=7 (0 added, 4 deleted, 3 changed) - - -Revision created by MOE tool push_codebase. -MOE_MIGRATION=990 - ------------------------------------------------------------------------- -r7 | snappy.mirrorbot@gmail.com | 2011-03-23 12:12:22 +0100 (Wed, 23 Mar 2011) | 10 lines - - -Fix public issue #4: Properly quote all macro arguments in configure.ac. - -R=csilvers -DELTA=16 (0 added, 0 deleted, 16 changed) - - -Revision created by MOE tool push_codebase. -MOE_MIGRATION=989 - ------------------------------------------------------------------------- -r6 | snappy.mirrorbot@gmail.com | 2011-03-23 12:11:54 +0100 (Wed, 23 Mar 2011) | 11 lines - - -Fix public issue #7: Don't use internal variables named ac_*, as those belong -to autoconf's namespace. - -R=csilvers -DELTA=6 (0 added, 0 deleted, 6 changed) - - -Revision created by MOE tool push_codebase. -MOE_MIGRATION=988 - ------------------------------------------------------------------------- -r5 | snappy.mirrorbot@gmail.com | 2011-03-23 12:11:09 +0100 (Wed, 23 Mar 2011) | 10 lines - - -Add missing licensing headers to a few files. (Part 2/2.) - -R=csilvers -DELTA=12 (12 added, 0 deleted, 0 changed) - - -Revision created by MOE tool push_codebase. -MOE_MIGRATION=987 - ------------------------------------------------------------------------- -r4 | snappy.mirrorbot@gmail.com | 2011-03-23 12:10:39 +0100 (Wed, 23 Mar 2011) | 10 lines - - -Add mising licensing headers to a few files. (Part 1/2.) - -R=csilvers -DELTA=24 (24 added, 0 deleted, 0 changed) - - -Revision created by MOE tool push_codebase. -MOE_MIGRATION=986 - ------------------------------------------------------------------------- -r3 | snappy.mirrorbot@gmail.com | 2011-03-23 12:10:04 +0100 (Wed, 23 Mar 2011) | 11 lines - - -Use the correct license file for the Apache 2.0 license; -spotted by Florian Weimer. - -R=csilvers -DELTA=202 (174 added, 0 deleted, 28 changed) - - -Revision created by MOE tool push_codebase. -MOE_MIGRATION=985 - ------------------------------------------------------------------------- -r2 | snappy.mirrorbot@gmail.com | 2011-03-18 18:14:15 +0100 (Fri, 18 Mar 2011) | 6 lines - - - - -Revision created by MOE tool push_codebase. -MOE_MIGRATION= - ------------------------------------------------------------------------- -r1 | sesse@google.com | 2011-03-18 18:13:52 +0100 (Fri, 18 Mar 2011) | 2 lines - -Create trunk directory. - ------------------------------------------------------------------------- diff --git a/deps/snappy-1.0.5/INSTALL b/deps/snappy-1.0.5/INSTALL deleted file mode 100644 index 7d1c323..0000000 --- a/deps/snappy-1.0.5/INSTALL +++ /dev/null @@ -1,365 +0,0 @@ -Installation Instructions -************************* - -Copyright (C) 1994, 1995, 1996, 1999, 2000, 2001, 2002, 2004, 2005, -2006, 2007, 2008, 2009 Free Software Foundation, Inc. - - Copying and distribution of this file, with or without modification, -are permitted in any medium without royalty provided the copyright -notice and this notice are preserved. This file is offered as-is, -without warranty of any kind. - -Basic Installation -================== - - Briefly, the shell commands `./configure; make; make install' should -configure, build, and install this package. The following -more-detailed instructions are generic; see the `README' file for -instructions specific to this package. Some packages provide this -`INSTALL' file but do not implement all of the features documented -below. The lack of an optional feature in a given package is not -necessarily a bug. More recommendations for GNU packages can be found -in *note Makefile Conventions: (standards)Makefile Conventions. - - The `configure' shell script attempts to guess correct values for -various system-dependent variables used during compilation. It uses -those values to create a `Makefile' in each directory of the package. -It may also create one or more `.h' files containing system-dependent -definitions. Finally, it creates a shell script `config.status' that -you can run in the future to recreate the current configuration, and a -file `config.log' containing compiler output (useful mainly for -debugging `configure'). - - It can also use an optional file (typically called `config.cache' -and enabled with `--cache-file=config.cache' or simply `-C') that saves -the results of its tests to speed up reconfiguring. Caching is -disabled by default to prevent problems with accidental use of stale -cache files. - - If you need to do unusual things to compile the package, please try -to figure out how `configure' could check whether to do them, and mail -diffs or instructions to the address given in the `README' so they can -be considered for the next release. If you are using the cache, and at -some point `config.cache' contains results you don't want to keep, you -may remove or edit it. - - The file `configure.ac' (or `configure.in') is used to create -`configure' by a program called `autoconf'. You need `configure.ac' if -you want to change it or regenerate `configure' using a newer version -of `autoconf'. - - The simplest way to compile this package is: - - 1. `cd' to the directory containing the package's source code and type - `./configure' to configure the package for your system. - - Running `configure' might take a while. While running, it prints - some messages telling which features it is checking for. - - 2. Type `make' to compile the package. - - 3. Optionally, type `make check' to run any self-tests that come with - the package, generally using the just-built uninstalled binaries. - - 4. Type `make install' to install the programs and any data files and - documentation. 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Exactly how big will depend on - the architecture: - - - 3–10% faster decompression for the base case (x86-64). - - - ARMv7 and higher can now use unaligned accesses, - and will see about 30% faster decompression and - 20–40% faster compression. - - - 32-bit platforms (ARM and 32-bit x86) will see 2–5% - faster compression. - - These are all cumulative (e.g., ARM gets all three speedups). - - * Fixed an issue where the unit test would crash on system - with less than 256 MB address space available, - e.g. some embedded platforms. - - * Added a framing format description, for use over e.g. HTTP, - or for a command-line compressor. We do not have any - implementations of this at the current point, but there seems - to be enough of a general interest in the topic. - Also make the format description slightly clearer. - - * Remove some compile-time warnings in -Wall - (mostly signed/unsigned comparisons), for easier embedding - into projects that use -Wall -Werror. - - -Snappy v1.0.4, September 15th 2011: - - * Speeded up the decompressor somewhat; typically about 2–8% - for Core i7, in 64-bit mode (comparable for Opteron). - Somewhat more for some tests, almost no gain for others. - - * Make Snappy compile on certain platforms it didn't before - (Solaris with SunPro C++, HP-UX, AIX). - - * Correct some minor errors in the format description. - - -Snappy v1.0.3, June 2nd 2011: - - * Speeded up the decompressor somewhat; about 3-6% for Core 2, - 6-13% for Core i7, and 5-12% for Opteron (all in 64-bit mode). - - * Added compressed format documentation. This text is new, - but an earlier version from Zeev Tarantov was used as reference. - - * Only link snappy_unittest against -lz and other autodetected - libraries, not libsnappy.so (which doesn't need any such dependency). - - * Fixed some display issues in the microbenchmarks, one of which would - frequently make the test crash on GNU/Hurd. - - -Snappy v1.0.2, April 29th 2011: - - * Relicense to a BSD-type license. - - * Added C bindings, contributed by Martin Gieseking. - - * More Win32 fixes, in particular for MSVC. - - * Replace geo.protodata with a newer version. - - * Fix timing inaccuracies in the unit test when comparing Snappy - to other algorithms. - - -Snappy v1.0.1, March 25th 2011: - -This is a maintenance release, mostly containing minor fixes. -There is no new functionality. The most important fixes include: - - * The COPYING file and all licensing headers now correctly state that - Snappy is licensed under the Apache 2.0 license. - - * snappy_unittest should now compile natively under Windows, - as well as on embedded systems with no mmap(). - - * Various autotools nits have been fixed. - - -Snappy v1.0, March 17th 2011: - - * Initial version. diff --git a/deps/snappy-1.0.5/README b/deps/snappy-1.0.5/README deleted file mode 100644 index 3bc8888..0000000 --- a/deps/snappy-1.0.5/README +++ /dev/null @@ -1,135 +0,0 @@ -Snappy, a fast compressor/decompressor. - - -Introduction -============ - -Snappy is a compression/decompression library. It does not aim for maximum -compression, or compatibility with any other compression library; instead, -it aims for very high speeds and reasonable compression. For instance, -compared to the fastest mode of zlib, Snappy is an order of magnitude faster -for most inputs, but the resulting compressed files are anywhere from 20% to -100% bigger. (For more information, see "Performance", below.) - -Snappy has the following properties: - - * Fast: Compression speeds at 250 MB/sec and beyond, with no assembler code. - See "Performance" below. - * Stable: Over the last few years, Snappy has compressed and decompressed - petabytes of data in Google's production environment. The Snappy bitstream - format is stable and will not change between versions. - * Robust: The Snappy decompressor is designed not to crash in the face of - corrupted or malicious input. - * Free and open source software: Snappy is licensed under a BSD-type license. - For more information, see the included COPYING file. - -Snappy has previously been called "Zippy" in some Google presentations -and the like. - - -Performance -=========== - -Snappy is intended to be fast. On a single core of a Core i7 processor -in 64-bit mode, it compresses at about 250 MB/sec or more and decompresses at -about 500 MB/sec or more. (These numbers are for the slowest inputs in our -benchmark suite; others are much faster.) In our tests, Snappy usually -is faster than algorithms in the same class (e.g. LZO, LZF, FastLZ, QuickLZ, -etc.) while achieving comparable compression ratios. - -Typical compression ratios (based on the benchmark suite) are about 1.5-1.7x -for plain text, about 2-4x for HTML, and of course 1.0x for JPEGs, PNGs and -other already-compressed data. Similar numbers for zlib in its fastest mode -are 2.6-2.8x, 3-7x and 1.0x, respectively. More sophisticated algorithms are -capable of achieving yet higher compression rates, although usually at the -expense of speed. Of course, compression ratio will vary significantly with -the input. - -Although Snappy should be fairly portable, it is primarily optimized -for 64-bit x86-compatible processors, and may run slower in other environments. -In particular: - - - Snappy uses 64-bit operations in several places to process more data at - once than would otherwise be possible. - - Snappy assumes unaligned 32- and 64-bit loads and stores are cheap. - On some platforms, these must be emulated with single-byte loads - and stores, which is much slower. - - Snappy assumes little-endian throughout, and needs to byte-swap data in - several places if running on a big-endian platform. - -Experience has shown that even heavily tuned code can be improved. -Performance optimizations, whether for 64-bit x86 or other platforms, -are of course most welcome; see "Contact", below. - - -Usage -===== - -Note that Snappy, both the implementation and the main interface, -is written in C++. However, several third-party bindings to other languages -are available; see the Google Code page at http://code.google.com/p/snappy/ -for more information. Also, if you want to use Snappy from C code, you can -use the included C bindings in snappy-c.h. - -To use Snappy from your own C++ program, include the file "snappy.h" from -your calling file, and link against the compiled library. - -There are many ways to call Snappy, but the simplest possible is - - snappy::Compress(input.data(), input.size(), &output); - -and similarly - - snappy::Uncompress(input.data(), input.size(), &output); - -where "input" and "output" are both instances of std::string. - -There are other interfaces that are more flexible in various ways, including -support for custom (non-array) input sources. See the header file for more -information. - - -Tests and benchmarks -==================== - -When you compile Snappy, snappy_unittest is compiled in addition to the -library itself. You do not need it to use the compressor from your own library, -but it contains several useful components for Snappy development. - -First of all, it contains unit tests, verifying correctness on your machine in -various scenarios. If you want to change or optimize Snappy, please run the -tests to verify you have not broken anything. Note that if you have the -Google Test library installed, unit test behavior (especially failures) will be -significantly more user-friendly. You can find Google Test at - - http://code.google.com/p/googletest/ - -You probably also want the gflags library for handling of command-line flags; -you can find it at - - http://code.google.com/p/google-gflags/ - -In addition to the unit tests, snappy contains microbenchmarks used to -tune compression and decompression performance. These are automatically run -before the unit tests, but you can disable them using the flag ---run_microbenchmarks=false if you have gflags installed (otherwise you will -need to edit the source). - -Finally, snappy can benchmark Snappy against a few other compression libraries -(zlib, LZO, LZF, FastLZ and QuickLZ), if they were detected at configure time. -To benchmark using a given file, give the compression algorithm you want to test -Snappy against (e.g. --zlib) and then a list of one or more file names on the -command line. The testdata/ directory contains the files used by the -microbenchmark, which should provide a reasonably balanced starting point for -benchmarking. (Note that baddata[1-3].snappy are not intended as benchmarks; they -are used to verify correctness in the presence of corrupted data in the unit -test.) - - -Contact -======= - -Snappy is distributed through Google Code. For the latest version, a bug tracker, -and other information, see - - http://code.google.com/p/snappy/ diff --git a/deps/snappy-1.0.5/aclocal.m4 b/deps/snappy-1.0.5/aclocal.m4 deleted file mode 100644 index a579738..0000000 --- a/deps/snappy-1.0.5/aclocal.m4 +++ /dev/null @@ -1,9076 +0,0 @@ -# generated automatically by aclocal 1.11.1 -*- Autoconf -*- - -# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, -# 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc. -# This file is free software; the Free Software Foundation -# gives unlimited permission to copy and/or distribute it, -# with or without modifications, as long as this notice is preserved. - -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY, to the extent permitted by law; without -# even the implied warranty of MERCHANTABILITY or FITNESS FOR A -# PARTICULAR PURPOSE. - -m4_ifndef([AC_AUTOCONF_VERSION], - [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl -m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.65],, -[m4_warning([this file was generated for autoconf 2.65. -You have another version of autoconf. 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then - lt_cv_nm_interface="MS dumpbin" - fi - rm -f conftest*]) -])# LT_PATH_NM - -# Old names: -AU_ALIAS([AM_PROG_NM], [LT_PATH_NM]) -AU_ALIAS([AC_PROG_NM], [LT_PATH_NM]) -dnl aclocal-1.4 backwards compatibility: -dnl AC_DEFUN([AM_PROG_NM], []) -dnl AC_DEFUN([AC_PROG_NM], []) - - -# LT_LIB_M -# -------- -# check for math library -AC_DEFUN([LT_LIB_M], -[AC_REQUIRE([AC_CANONICAL_HOST])dnl -LIBM= -case $host in -*-*-beos* | *-*-cygwin* | *-*-pw32* | *-*-darwin*) - # These system don't have libm, or don't need it - ;; -*-ncr-sysv4.3*) - AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw") - AC_CHECK_LIB(m, cos, LIBM="$LIBM -lm") - ;; -*) - AC_CHECK_LIB(m, cos, LIBM="-lm") - ;; -esac -AC_SUBST([LIBM]) -])# LT_LIB_M - -# Old name: -AU_ALIAS([AC_CHECK_LIBM], [LT_LIB_M]) -dnl aclocal-1.4 backwards compatibility: -dnl AC_DEFUN([AC_CHECK_LIBM], []) - - -# _LT_COMPILER_NO_RTTI([TAGNAME]) -# ------------------------------- -m4_defun([_LT_COMPILER_NO_RTTI], -[m4_require([_LT_TAG_COMPILER])dnl - -_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)= - -if test "$GCC" = yes; 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Generated from configure.ac by autoheader. */ - -/* Define if building universal (internal helper macro) */ -/* #undef AC_APPLE_UNIVERSAL_BUILD */ - -/* Define to 1 if the compiler supports __builtin_ctz and friends. */ -#define HAVE_BUILTIN_CTZ 1 - -/* Define to 1 if the compiler supports __builtin_expect. */ -#define HAVE_BUILTIN_EXPECT 1 - -/* Define to 1 if you have the header file. */ -#define HAVE_BYTESWAP_H 1 - -/* Define to 1 if you have the header file. */ -#define HAVE_DLFCN_H 1 - -/* Use the gflags package for command-line parsing. */ -/* #undef HAVE_GFLAGS */ - -/* Defined when Google Test is available. */ -/* #undef HAVE_GTEST */ - -/* Define to 1 if you have the header file. */ -#define HAVE_INTTYPES_H 1 - -/* Define to 1 if you have the `fastlz' library (-lfastlz). */ -/* #undef HAVE_LIBFASTLZ */ - -/* Define to 1 if you have the `lzf' library (-llzf). */ -/* #undef HAVE_LIBLZF */ - -/* Define to 1 if you have the `lzo2' library (-llzo2). */ -/* #undef HAVE_LIBLZO2 */ - -/* Define to 1 if you have the `quicklz' library (-lquicklz). */ -/* #undef HAVE_LIBQUICKLZ */ - -/* Define to 1 if you have the `z' library (-lz). */ -#define HAVE_LIBZ 1 - -/* Define to 1 if you have the header file. */ -#define HAVE_MEMORY_H 1 - -/* Define to 1 if you have the header file. */ -#define HAVE_STDDEF_H 1 - -/* Define to 1 if you have the header file. */ -#define HAVE_STDINT_H 1 - -/* Define to 1 if you have the header file. */ -#define HAVE_STDLIB_H 1 - -/* Define to 1 if you have the header file. */ -#define HAVE_STRINGS_H 1 - -/* Define to 1 if you have the header file. */ -#define HAVE_STRING_H 1 - -/* Define to 1 if you have the header file. */ -/* #undef HAVE_SYS_BYTESWAP_H */ - -/* Define to 1 if you have the header file. */ -/* #undef HAVE_SYS_ENDIAN_H */ - -/* Define to 1 if you have the header file. */ -#define HAVE_SYS_MMAN_H 1 - -/* Define to 1 if you have the header file. */ -#define HAVE_SYS_RESOURCE_H 1 - -/* Define to 1 if you have the header file. */ -#define HAVE_SYS_STAT_H 1 - -/* Define to 1 if you have the header file. */ -#define HAVE_SYS_TYPES_H 1 - -/* Define to 1 if you have the header file. */ -#define HAVE_UNISTD_H 1 - -/* Define to 1 if you have the header file. */ -/* #undef HAVE_WINDOWS_H */ - -/* Define to the sub-directory in which libtool stores uninstalled libraries. - */ -#define LT_OBJDIR ".libs/" - -/* Name of package */ -#define PACKAGE "snappy" - -/* Define to the address where bug reports for this package should be sent. */ -#define PACKAGE_BUGREPORT "" - -/* Define to the full name of this package. */ -#define PACKAGE_NAME "snappy" - -/* Define to the full name and version of this package. */ -#define PACKAGE_STRING "snappy 1.0.5" - -/* Define to the one symbol short name of this package. */ -#define PACKAGE_TARNAME "snappy" - -/* Define to the home page for this package. */ -#define PACKAGE_URL "" - -/* Define to the version of this package. */ -#define PACKAGE_VERSION "1.0.5" - -/* Define to 1 if you have the ANSI C header files. */ -#define STDC_HEADERS 1 - -/* Version number of package */ -#define VERSION "1.0.5" - -/* Define WORDS_BIGENDIAN to 1 if your processor stores words with the most - significant byte first (like Motorola and SPARC, unlike Intel). */ -#if defined AC_APPLE_UNIVERSAL_BUILD -# if defined __BIG_ENDIAN__ -# define WORDS_BIGENDIAN 1 -# endif -#else -# ifndef WORDS_BIGENDIAN -/* # undef WORDS_BIGENDIAN */ -# endif -#endif diff --git a/deps/snappy-1.0.5/config.h.in b/deps/snappy-1.0.5/config.h.in deleted file mode 100644 index 28f57c2..0000000 --- a/deps/snappy-1.0.5/config.h.in +++ /dev/null @@ -1,125 +0,0 @@ -/* config.h.in. Generated from configure.ac by autoheader. */ - -/* Define if building universal (internal helper macro) */ -#undef AC_APPLE_UNIVERSAL_BUILD - -/* Define to 1 if the compiler supports __builtin_ctz and friends. */ -#undef HAVE_BUILTIN_CTZ - -/* Define to 1 if the compiler supports __builtin_expect. */ -#undef HAVE_BUILTIN_EXPECT - -/* Define to 1 if you have the header file. */ -#undef HAVE_BYTESWAP_H - -/* Define to 1 if you have the header file. */ -#undef HAVE_DLFCN_H - -/* Use the gflags package for command-line parsing. */ -#undef HAVE_GFLAGS - -/* Defined when Google Test is available. */ -#undef HAVE_GTEST - -/* Define to 1 if you have the header file. */ -#undef HAVE_INTTYPES_H - -/* Define to 1 if you have the `fastlz' library (-lfastlz). */ -#undef HAVE_LIBFASTLZ - -/* Define to 1 if you have the `lzf' library (-llzf). */ -#undef HAVE_LIBLZF - -/* Define to 1 if you have the `lzo2' library (-llzo2). */ -#undef HAVE_LIBLZO2 - -/* Define to 1 if you have the `quicklz' library (-lquicklz). */ -#undef HAVE_LIBQUICKLZ - -/* Define to 1 if you have the `z' library (-lz). */ -#undef HAVE_LIBZ - -/* Define to 1 if you have the header file. */ -#undef HAVE_MEMORY_H - -/* Define to 1 if you have the header file. */ -#undef HAVE_STDDEF_H - -/* Define to 1 if you have the header file. */ -#undef HAVE_STDINT_H - -/* Define to 1 if you have the header file. */ -#undef HAVE_STDLIB_H - -/* Define to 1 if you have the header file. */ -#undef HAVE_STRINGS_H - -/* Define to 1 if you have the header file. */ -#undef HAVE_STRING_H - -/* Define to 1 if you have the header file. */ -#undef HAVE_SYS_BYTESWAP_H - -/* Define to 1 if you have the header file. */ -#undef HAVE_SYS_ENDIAN_H - -/* Define to 1 if you have the header file. */ -#undef HAVE_SYS_MMAN_H - -/* Define to 1 if you have the header file. */ -#undef HAVE_SYS_RESOURCE_H - -/* Define to 1 if you have the header file. */ -#undef HAVE_SYS_STAT_H - -/* Define to 1 if you have the header file. */ -#undef HAVE_SYS_TYPES_H - -/* Define to 1 if you have the header file. */ -#undef HAVE_UNISTD_H - -/* Define to 1 if you have the header file. */ -#undef HAVE_WINDOWS_H - -/* Define to the sub-directory in which libtool stores uninstalled libraries. - */ -#undef LT_OBJDIR - -/* Name of package */ -#undef PACKAGE - -/* Define to the address where bug reports for this package should be sent. */ -#undef PACKAGE_BUGREPORT - -/* Define to the full name of this package. */ -#undef PACKAGE_NAME - -/* Define to the full name and version of this package. */ -#undef PACKAGE_STRING - -/* Define to the one symbol short name of this package. */ -#undef PACKAGE_TARNAME - -/* Define to the home page for this package. */ -#undef PACKAGE_URL - -/* Define to the version of this package. */ -#undef PACKAGE_VERSION - -/* Define to 1 if you have the ANSI C header files. */ -#undef STDC_HEADERS - -/* Version number of package */ -#undef VERSION - -/* Define WORDS_BIGENDIAN to 1 if your processor stores words with the most - significant byte first (like Motorola and SPARC, unlike Intel). */ -#if defined AC_APPLE_UNIVERSAL_BUILD -# if defined __BIG_ENDIAN__ -# define WORDS_BIGENDIAN 1 -# endif -#else -# ifndef WORDS_BIGENDIAN -# undef WORDS_BIGENDIAN -# endif -#endif diff --git a/deps/snappy-1.0.5/config.log b/deps/snappy-1.0.5/config.log deleted file mode 100644 index 02d8e65..0000000 --- a/deps/snappy-1.0.5/config.log +++ /dev/null @@ -1,1451 +0,0 @@ -This file contains any messages produced by compilers while -running configure, to aid debugging if configure makes a mistake. - -It was created by snappy configure 1.0.5, which was -generated by GNU Autoconf 2.65. Invocation command line was - - $ ./configure - -## --------- ## -## Platform. ## -## --------- ## - -hostname = micolTest -uname -m = x86_64 -uname -r = 2.6.32-279.el6.x86_64 -uname -s = Linux -uname -v = #1 SMP Fri Jun 22 12:19:21 UTC 2012 - -/usr/bin/uname -p = unknown -/bin/uname -X = unknown - -/bin/arch = x86_64 -/usr/bin/arch -k = unknown -/usr/convex/getsysinfo = unknown -/usr/bin/hostinfo = unknown -/bin/machine = unknown -/usr/bin/oslevel = unknown -/bin/universe = unknown - -PATH: /usr/local/sbin -PATH: /usr/local/bin -PATH: /sbin -PATH: /bin -PATH: /usr/sbin -PATH: /usr/bin -PATH: /root/bin - - -## ----------- ## -## Core tests. ## -## ----------- ## - -configure:2629: checking for a BSD-compatible install -configure:2697: result: /usr/bin/install -c -configure:2708: checking whether build environment is sane -configure:2758: result: yes -configure:2899: checking for a thread-safe mkdir -p -configure:2938: result: /bin/mkdir -p -configure:2951: checking for gawk -configure:2967: found /bin/gawk -configure:2978: result: gawk -configure:2989: checking whether make sets $(MAKE) -configure:3011: result: yes -configure:3121: checking build system type -configure:3135: result: x86_64-unknown-linux-gnu -configure:3155: checking host system type -configure:3168: result: x86_64-unknown-linux-gnu -configure:3200: checking for style of include used by make -configure:3228: result: GNU -configure:3298: checking for gcc -configure:3314: found /usr/bin/gcc -configure:3325: result: gcc -configure:3554: checking for C compiler version -configure:3563: gcc --version >&5 -gcc (GCC) 4.4.6 20120305 (Red Hat 4.4.6-4) -Copyright (C) 2010 Free Software Foundation, Inc. -This is free software; see the source for copying conditions. There is NO -warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. - -configure:3574: $? = 0 -configure:3563: gcc -v >&5 -Using built-in specs. -Target: x86_64-redhat-linux -Configured with: ../configure --prefix=/usr --mandir=/usr/share/man --infodir=/usr/share/info --with-bugurl=http://bugzilla.redhat.com/bugzilla --enable-bootstrap --enable-shared --enable-threads=posix --enable-checking=release --with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions --enable-gnu-unique-object --enable-languages=c,c++,objc,obj-c++,java,fortran,ada --enable-java-awt=gtk --disable-dssi --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-1.5.0.0/jre --enable-libgcj-multifile --enable-java-maintainer-mode --with-ecj-jar=/usr/share/java/eclipse-ecj.jar --disable-libjava-multilib --with-ppl --with-cloog --with-tune=generic --with-arch_32=i686 --build=x86_64-redhat-linux -Thread model: posix -gcc version 4.4.6 20120305 (Red Hat 4.4.6-4) (GCC) -configure:3574: $? = 0 -configure:3563: gcc -V >&5 -gcc: '-V' option must have argument -configure:3574: $? = 1 -configure:3563: gcc -qversion >&5 -gcc: unrecognized option '-qversion' -gcc: no input files -configure:3574: $? = 1 -configure:3594: checking whether the C compiler works -configure:3616: gcc conftest.c >&5 -configure:3620: $? = 0 -configure:3669: result: yes -configure:3672: checking for C compiler default output file name -configure:3674: result: a.out -configure:3680: checking for suffix of executables -configure:3687: gcc -o conftest conftest.c >&5 -configure:3691: $? = 0 -configure:3713: result: -configure:3735: checking whether we are cross compiling -configure:3743: gcc -o conftest conftest.c >&5 -configure:3747: $? = 0 -configure:3754: ./conftest -configure:3758: $? = 0 -configure:3773: result: no -configure:3778: checking for suffix of object files -configure:3800: gcc -c conftest.c >&5 -configure:3804: $? = 0 -configure:3825: result: o -configure:3829: checking whether we are using the GNU C compiler -configure:3848: gcc -c conftest.c >&5 -configure:3848: $? = 0 -configure:3857: result: yes -configure:3866: checking whether gcc accepts -g -configure:3886: gcc -c -g conftest.c >&5 -configure:3886: $? = 0 -configure:3927: result: yes -configure:3944: checking for gcc option to accept ISO C89 -configure:4008: gcc -c -g -O2 conftest.c >&5 -configure:4008: $? = 0 -configure:4021: result: none needed -configure:4043: checking dependency style of gcc -configure:4153: result: gcc3 -configure:4168: checking for a sed that does not truncate output -configure:4232: result: /bin/sed -configure:4250: checking for grep that handles long lines and -e -configure:4308: result: /bin/grep -configure:4313: checking for egrep -configure:4375: result: /bin/grep -E -configure:4380: checking for fgrep -configure:4442: result: /bin/grep -F -configure:4477: checking for ld used by gcc -configure:4544: result: /usr/bin/ld -configure:4551: checking if the linker (/usr/bin/ld) is GNU ld -configure:4566: result: yes -configure:4578: checking for BSD- or MS-compatible name lister (nm) -configure:4627: result: /usr/bin/nm -B -configure:4745: checking the name lister (/usr/bin/nm -B) interface -configure:4752: gcc -c -g -O2 conftest.c >&5 -configure:4755: /usr/bin/nm -B "conftest.o" -configure:4758: output -0000000000000000 B some_variable -configure:4765: result: BSD nm -configure:4768: checking whether ln -s works -configure:4772: result: yes -configure:4780: checking the maximum length of command line arguments -configure:4900: result: 1966080 -configure:4917: checking whether the shell understands some XSI constructs -configure:4927: result: yes -configure:4931: checking whether the shell understands "+=" -configure:4937: result: yes -configure:4972: checking for /usr/bin/ld option to reload object files -configure:4979: result: -r -configure:5048: checking for objdump -configure:5064: found /usr/bin/objdump -configure:5075: result: objdump -configure:5107: checking how to recognize dependent libraries -configure:5303: result: pass_all -configure:5363: checking for ar -configure:5379: found /usr/bin/ar -configure:5390: result: ar -configure:5468: checking for strip -configure:5484: found /usr/bin/strip -configure:5495: result: strip -configure:5567: checking for ranlib -configure:5583: found /usr/bin/ranlib -configure:5594: result: ranlib -configure:5684: checking command to parse /usr/bin/nm -B output from gcc object -configure:5802: gcc -c -g -O2 conftest.c >&5 -configure:5805: $? = 0 -configure:5809: /usr/bin/nm -B conftest.o \| sed -n -e 's/^.*[ ]\([ABCDGIRSTW][ABCDGIRSTW]*\)[ ][ ]*\([_A-Za-z][_A-Za-z0-9]*\)$/\1 \2 \2/p' \> conftest.nm -configure:5812: $? = 0 -configure:5866: gcc -o conftest -g -O2 conftest.c conftstm.o >&5 -configure:5869: $? = 0 -configure:5907: result: ok -configure:6003: gcc -c -g -O2 conftest.c >&5 -configure:6006: $? = 0 -configure:6716: checking how to run the C preprocessor -configure:6747: gcc -E conftest.c -configure:6747: $? = 0 -configure:6761: gcc -E conftest.c -conftest.c:11:28: error: ac_nonexistent.h: No such file or directory -configure:6761: $? = 1 -configure: failed program was: -| /* confdefs.h */ -| #define PACKAGE_NAME "snappy" -| #define PACKAGE_TARNAME "snappy" -| #define PACKAGE_VERSION "1.0.5" -| #define PACKAGE_STRING "snappy 1.0.5" -| #define PACKAGE_BUGREPORT "" -| #define PACKAGE_URL "" -| #define PACKAGE "snappy" -| #define VERSION "1.0.5" -| /* end confdefs.h. */ -| #include -configure:6786: result: gcc -E -configure:6806: gcc -E conftest.c -configure:6806: $? = 0 -configure:6820: gcc -E conftest.c -conftest.c:11:28: error: ac_nonexistent.h: No such file or directory -configure:6820: $? = 1 -configure: failed program was: -| /* confdefs.h */ -| #define PACKAGE_NAME "snappy" -| #define PACKAGE_TARNAME "snappy" -| #define PACKAGE_VERSION "1.0.5" -| #define PACKAGE_STRING "snappy 1.0.5" -| #define PACKAGE_BUGREPORT "" -| #define PACKAGE_URL "" -| #define PACKAGE "snappy" -| #define VERSION "1.0.5" -| /* end confdefs.h. */ -| #include -configure:6849: checking for ANSI C header files -configure:6869: gcc -c -g -O2 conftest.c >&5 -configure:6869: $? = 0 -configure:6942: gcc -o conftest -g -O2 conftest.c >&5 -configure:6942: $? = 0 -configure:6942: ./conftest -configure:6942: $? = 0 -configure:6953: result: yes -configure:6966: checking for sys/types.h -configure:6966: gcc -c -g -O2 conftest.c >&5 -configure:6966: $? = 0 -configure:6966: result: yes -configure:6966: checking for sys/stat.h -configure:6966: gcc -c -g -O2 conftest.c >&5 -configure:6966: $? = 0 -configure:6966: result: yes -configure:6966: checking for stdlib.h -configure:6966: gcc -c -g -O2 conftest.c >&5 -configure:6966: $? = 0 -configure:6966: result: yes -configure:6966: checking for string.h -configure:6966: gcc -c -g -O2 conftest.c >&5 -configure:6966: $? = 0 -configure:6966: result: yes -configure:6966: checking for memory.h -configure:6966: gcc -c -g -O2 conftest.c >&5 -configure:6966: $? = 0 -configure:6966: result: yes -configure:6966: checking for strings.h -configure:6966: gcc -c -g -O2 conftest.c >&5 -configure:6966: $? = 0 -configure:6966: result: yes -configure:6966: checking for inttypes.h -configure:6966: gcc -c -g -O2 conftest.c >&5 -configure:6966: $? = 0 -configure:6966: result: yes -configure:6966: checking for stdint.h -configure:6966: gcc -c -g -O2 conftest.c >&5 -configure:6966: $? = 0 -configure:6966: result: yes -configure:6966: checking for unistd.h -configure:6966: gcc -c -g -O2 conftest.c >&5 -configure:6966: $? = 0 -configure:6966: result: yes -configure:6981: checking for dlfcn.h -configure:6981: gcc -c -g -O2 conftest.c >&5 -configure:6981: $? = 0 -configure:6981: result: yes -configure:7165: checking for objdir -configure:7180: result: .libs -configure:7472: checking if gcc supports -fno-rtti -fno-exceptions -configure:7490: gcc -c -g -O2 -fno-rtti -fno-exceptions conftest.c >&5 -cc1: warning: command line option "-fno-rtti" is valid for C++/ObjC++ but not for C -configure:7494: $? = 0 -configure:7507: result: no -configure:7527: checking for gcc option to produce PIC -configure:7799: result: -fPIC -DPIC -configure:7811: checking if gcc PIC flag -fPIC -DPIC works -configure:7829: gcc -c -g -O2 -fPIC -DPIC -DPIC conftest.c >&5 -configure:7833: $? = 0 -configure:7846: result: yes -configure:7870: checking if gcc static flag -static works -configure:7898: result: no -configure:7913: checking if gcc supports -c -o file.o -configure:7934: gcc -c -g -O2 -o out/conftest2.o conftest.c >&5 -configure:7938: $? = 0 -configure:7960: result: yes -configure:7968: checking if gcc supports -c -o file.o -configure:8015: result: yes -configure:8048: checking whether the gcc linker (/usr/bin/ld -m elf_x86_64) supports shared libraries -configure:9039: result: yes -configure:9076: checking whether -lc should be explicitly linked in -configure:9081: gcc -c -g -O2 conftest.c >&5 -configure:9084: $? = 0 -configure:9099: gcc -shared conftest.o -v -Wl,-soname -Wl,conftest -o conftest 2\>\&1 \| /bin/grep -lc \>/dev/null 2\>\&1 -configure:9102: $? = 0 -configure:9114: result: no -configure:9278: checking dynamic linker characteristics -configure:9711: gcc -o conftest -g -O2 -Wl,-rpath -Wl,/foo conftest.c >&5 -configure:9711: $? = 0 -configure:9941: result: GNU/Linux ld.so -configure:10043: checking how to hardcode library paths into programs -configure:10068: result: immediate -configure:10588: checking whether stripping libraries is possible -configure:10593: result: yes -configure:10628: checking if libtool supports shared libraries -configure:10630: result: yes -configure:10633: checking whether to build shared libraries -configure:10654: result: yes -configure:10657: checking whether to build static libraries -configure:10661: result: yes -configure:10755: checking for g++ -configure:10771: found /usr/bin/g++ -configure:10782: result: g++ -configure:10809: checking for C++ compiler version -configure:10818: g++ --version >&5 -g++ (GCC) 4.4.6 20120305 (Red Hat 4.4.6-4) -Copyright (C) 2010 Free Software Foundation, Inc. -This is free software; see the source for copying conditions. There is NO -warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. - -configure:10829: $? = 0 -configure:10818: g++ -v >&5 -Using built-in specs. -Target: x86_64-redhat-linux -Configured with: ../configure --prefix=/usr --mandir=/usr/share/man --infodir=/usr/share/info --with-bugurl=http://bugzilla.redhat.com/bugzilla --enable-bootstrap --enable-shared --enable-threads=posix --enable-checking=release --with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions --enable-gnu-unique-object --enable-languages=c,c++,objc,obj-c++,java,fortran,ada --enable-java-awt=gtk --disable-dssi --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-1.5.0.0/jre --enable-libgcj-multifile --enable-java-maintainer-mode --with-ecj-jar=/usr/share/java/eclipse-ecj.jar --disable-libjava-multilib --with-ppl --with-cloog --with-tune=generic --with-arch_32=i686 --build=x86_64-redhat-linux -Thread model: posix -gcc version 4.4.6 20120305 (Red Hat 4.4.6-4) (GCC) -configure:10829: $? = 0 -configure:10818: g++ -V >&5 -g++: '-V' option must have argument -configure:10829: $? = 1 -configure:10818: g++ -qversion >&5 -g++: unrecognized option '-qversion' -g++: no input files -configure:10829: $? = 1 -configure:10833: checking whether we are using the GNU C++ compiler -configure:10852: g++ -c conftest.cpp >&5 -configure:10852: $? = 0 -configure:10861: result: yes -configure:10870: checking whether g++ accepts -g -configure:10890: g++ -c -g conftest.cpp >&5 -configure:10890: $? = 0 -configure:10931: result: yes -configure:10956: checking dependency style of g++ -configure:11066: result: gcc3 -configure:11194: checking for C++ compiler version -configure:11203: g++ --version >&5 -g++ (GCC) 4.4.6 20120305 (Red Hat 4.4.6-4) -Copyright (C) 2010 Free Software Foundation, Inc. -This is free software; see the source for copying conditions. There is NO -warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. - -configure:11214: $? = 0 -configure:11203: g++ -v >&5 -Using built-in specs. -Target: x86_64-redhat-linux -Configured with: ../configure --prefix=/usr --mandir=/usr/share/man --infodir=/usr/share/info --with-bugurl=http://bugzilla.redhat.com/bugzilla --enable-bootstrap --enable-shared --enable-threads=posix --enable-checking=release --with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions --enable-gnu-unique-object --enable-languages=c,c++,objc,obj-c++,java,fortran,ada --enable-java-awt=gtk --disable-dssi --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-1.5.0.0/jre --enable-libgcj-multifile --enable-java-maintainer-mode --with-ecj-jar=/usr/share/java/eclipse-ecj.jar --disable-libjava-multilib --with-ppl --with-cloog --with-tune=generic --with-arch_32=i686 --build=x86_64-redhat-linux -Thread model: posix -gcc version 4.4.6 20120305 (Red Hat 4.4.6-4) (GCC) -configure:11214: $? = 0 -configure:11203: g++ -V >&5 -g++: '-V' option must have argument -configure:11214: $? = 1 -configure:11203: g++ -qversion >&5 -g++: unrecognized option '-qversion' -g++: no input files -configure:11214: $? = 1 -configure:11218: checking whether we are using the GNU C++ compiler -configure:11246: result: yes -configure:11255: checking whether g++ accepts -g -configure:11316: result: yes -configure:11341: checking dependency style of g++ -configure:11451: result: gcc3 -configure:11474: checking how to run the C++ preprocessor -configure:11501: g++ -E conftest.cpp -configure:11501: $? = 0 -configure:11515: g++ -E conftest.cpp -conftest.cpp:23:28: error: ac_nonexistent.h: No such file or directory -configure:11515: $? = 1 -configure: failed program was: -| /* confdefs.h */ -| #define PACKAGE_NAME "snappy" -| #define PACKAGE_TARNAME "snappy" -| #define PACKAGE_VERSION "1.0.5" -| #define PACKAGE_STRING "snappy 1.0.5" -| #define PACKAGE_BUGREPORT "" -| #define PACKAGE_URL "" -| #define PACKAGE "snappy" -| #define VERSION "1.0.5" -| #define STDC_HEADERS 1 -| #define HAVE_SYS_TYPES_H 1 -| #define HAVE_SYS_STAT_H 1 -| #define HAVE_STDLIB_H 1 -| #define HAVE_STRING_H 1 -| #define HAVE_MEMORY_H 1 -| #define HAVE_STRINGS_H 1 -| #define HAVE_INTTYPES_H 1 -| #define HAVE_STDINT_H 1 -| #define HAVE_UNISTD_H 1 -| #define HAVE_DLFCN_H 1 -| #define LT_OBJDIR ".libs/" -| /* end confdefs.h. */ -| #include -configure:11540: result: g++ -E -configure:11560: g++ -E conftest.cpp -configure:11560: $? = 0 -configure:11574: g++ -E conftest.cpp -conftest.cpp:23:28: error: ac_nonexistent.h: No such file or directory -configure:11574: $? = 1 -configure: failed program was: -| /* confdefs.h */ -| #define PACKAGE_NAME "snappy" -| #define PACKAGE_TARNAME "snappy" -| #define PACKAGE_VERSION "1.0.5" -| #define PACKAGE_STRING "snappy 1.0.5" -| #define PACKAGE_BUGREPORT "" -| #define PACKAGE_URL "" -| #define PACKAGE "snappy" -| #define VERSION "1.0.5" -| #define STDC_HEADERS 1 -| #define HAVE_SYS_TYPES_H 1 -| #define HAVE_SYS_STAT_H 1 -| #define HAVE_STDLIB_H 1 -| #define HAVE_STRING_H 1 -| #define HAVE_MEMORY_H 1 -| #define HAVE_STRINGS_H 1 -| #define HAVE_INTTYPES_H 1 -| #define HAVE_STDINT_H 1 -| #define HAVE_UNISTD_H 1 -| #define HAVE_DLFCN_H 1 -| #define LT_OBJDIR ".libs/" -| /* end confdefs.h. */ -| #include -configure:11742: checking for ld used by g++ -configure:11809: result: /usr/bin/ld -m elf_x86_64 -configure:11816: checking if the linker (/usr/bin/ld -m elf_x86_64) is GNU ld -configure:11831: result: yes -configure:11886: checking whether the g++ linker (/usr/bin/ld -m elf_x86_64) supports shared libraries -configure:12799: result: yes -configure:12827: g++ -c -g -O2 conftest.cpp >&5 -configure:12830: $? = 0 -configure:13012: checking for g++ option to produce PIC -configure:13329: result: -fPIC -DPIC -configure:13338: checking if g++ PIC flag -fPIC -DPIC works -configure:13356: g++ -c -g -O2 -fPIC -DPIC -DPIC conftest.cpp >&5 -configure:13360: $? = 0 -configure:13373: result: yes -configure:13394: checking if g++ static flag -static works -configure:13422: result: no -configure:13434: checking if g++ supports -c -o file.o -configure:13455: g++ -c -g -O2 -o out/conftest2.o conftest.cpp >&5 -configure:13459: $? = 0 -configure:13481: result: yes -configure:13486: checking if g++ supports -c -o file.o -configure:13533: result: yes -configure:13563: checking whether the g++ linker (/usr/bin/ld -m elf_x86_64) supports shared libraries -configure:13592: result: yes -configure:13729: checking dynamic linker characteristics -configure:14110: g++ -o conftest -g -O2 -Wl,-rpath -Wl,/foo conftest.cpp >&5 -configure:14110: $? = 0 -configure:14340: result: GNU/Linux ld.so -configure:14391: checking how to hardcode library paths into programs -configure:14416: result: immediate -configure:14461: checking whether byte ordering is bigendian -configure:14476: g++ -c -g -O2 conftest.cpp >&5 -conftest.cpp:24: error: expected unqualified-id before '!' token -configure:14476: $? = 1 -configure: failed program was: -| /* confdefs.h */ -| #define PACKAGE_NAME "snappy" -| #define PACKAGE_TARNAME "snappy" -| #define PACKAGE_VERSION "1.0.5" -| #define PACKAGE_STRING "snappy 1.0.5" -| #define PACKAGE_BUGREPORT "" -| #define PACKAGE_URL "" -| #define PACKAGE "snappy" -| #define VERSION "1.0.5" -| #define STDC_HEADERS 1 -| #define HAVE_SYS_TYPES_H 1 -| #define HAVE_SYS_STAT_H 1 -| #define HAVE_STDLIB_H 1 -| #define HAVE_STRING_H 1 -| #define HAVE_MEMORY_H 1 -| #define HAVE_STRINGS_H 1 -| #define HAVE_INTTYPES_H 1 -| #define HAVE_STDINT_H 1 -| #define HAVE_UNISTD_H 1 -| #define HAVE_DLFCN_H 1 -| #define LT_OBJDIR ".libs/" -| /* end confdefs.h. */ -| #ifndef __APPLE_CC__ -| not a universal capable compiler -| #endif -| typedef int dummy; -| -configure:14521: g++ -c -g -O2 conftest.cpp >&5 -configure:14521: $? = 0 -configure:14539: g++ -c -g -O2 conftest.cpp >&5 -conftest.cpp: In function 'int main()': -conftest.cpp:30: error: 'big' was not declared in this scope -conftest.cpp:30: error: expected ';' before 'endian' -configure:14539: $? = 1 -configure: failed program was: -| /* confdefs.h */ -| #define PACKAGE_NAME "snappy" -| #define PACKAGE_TARNAME "snappy" -| #define PACKAGE_VERSION "1.0.5" -| #define PACKAGE_STRING "snappy 1.0.5" -| #define PACKAGE_BUGREPORT "" -| #define PACKAGE_URL "" -| #define PACKAGE "snappy" -| #define VERSION "1.0.5" -| #define STDC_HEADERS 1 -| #define HAVE_SYS_TYPES_H 1 -| #define HAVE_SYS_STAT_H 1 -| #define HAVE_STDLIB_H 1 -| #define HAVE_STRING_H 1 -| #define HAVE_MEMORY_H 1 -| #define HAVE_STRINGS_H 1 -| #define HAVE_INTTYPES_H 1 -| #define HAVE_STDINT_H 1 -| #define HAVE_UNISTD_H 1 -| #define HAVE_DLFCN_H 1 -| #define LT_OBJDIR ".libs/" -| /* end confdefs.h. */ -| #include -| #include -| -| int -| main () -| { -| #if BYTE_ORDER != BIG_ENDIAN -| not big endian -| #endif -| -| ; -| return 0; -| } -configure:14667: result: no -configure:14689: checking for stdint.h -configure:14689: result: yes -configure:14689: checking stddef.h usability -configure:14689: g++ -c -g -O2 conftest.cpp >&5 -configure:14689: $? = 0 -configure:14689: result: yes -configure:14689: checking stddef.h presence -configure:14689: g++ -E conftest.cpp -configure:14689: $? = 0 -configure:14689: result: yes -configure:14689: checking for stddef.h -configure:14689: result: yes -configure:14689: checking sys/mman.h usability -configure:14689: g++ -c -g -O2 conftest.cpp >&5 -configure:14689: $? = 0 -configure:14689: result: yes -configure:14689: checking sys/mman.h presence -configure:14689: g++ -E conftest.cpp -configure:14689: $? = 0 -configure:14689: result: yes -configure:14689: checking for sys/mman.h -configure:14689: result: yes -configure:14689: checking sys/resource.h usability -configure:14689: g++ -c -g -O2 conftest.cpp >&5 -configure:14689: $? = 0 -configure:14689: result: yes -configure:14689: checking sys/resource.h presence -configure:14689: g++ -E conftest.cpp -configure:14689: $? = 0 -configure:14689: result: yes -configure:14689: checking for sys/resource.h -configure:14689: result: yes -configure:14689: checking windows.h usability -configure:14689: g++ -c -g -O2 conftest.cpp >&5 -conftest.cpp:60:21: error: windows.h: No such file or directory -configure:14689: $? = 1 -configure: failed program was: -| /* confdefs.h */ -| #define PACKAGE_NAME "snappy" -| #define PACKAGE_TARNAME "snappy" -| #define PACKAGE_VERSION "1.0.5" -| #define PACKAGE_STRING "snappy 1.0.5" -| #define PACKAGE_BUGREPORT "" -| #define PACKAGE_URL "" -| #define PACKAGE "snappy" -| #define VERSION "1.0.5" -| #define STDC_HEADERS 1 -| #define HAVE_SYS_TYPES_H 1 -| #define HAVE_SYS_STAT_H 1 -| #define HAVE_STDLIB_H 1 -| #define HAVE_STRING_H 1 -| #define HAVE_MEMORY_H 1 -| #define HAVE_STRINGS_H 1 -| #define HAVE_INTTYPES_H 1 -| #define HAVE_STDINT_H 1 -| #define HAVE_UNISTD_H 1 -| #define HAVE_DLFCN_H 1 -| #define LT_OBJDIR ".libs/" -| #define HAVE_STDINT_H 1 -| #define HAVE_STDDEF_H 1 -| #define HAVE_SYS_MMAN_H 1 -| #define HAVE_SYS_RESOURCE_H 1 -| /* end confdefs.h. */ -| #include -| #ifdef HAVE_SYS_TYPES_H -| # include -| #endif -| #ifdef HAVE_SYS_STAT_H -| # include -| #endif -| #ifdef STDC_HEADERS -| # include -| # include -| #else -| # ifdef HAVE_STDLIB_H -| # include -| # endif -| #endif -| #ifdef HAVE_STRING_H -| # if !defined STDC_HEADERS && defined HAVE_MEMORY_H -| # include -| # endif -| # include -| #endif -| #ifdef HAVE_STRINGS_H -| # include -| #endif -| #ifdef HAVE_INTTYPES_H -| # include -| #endif -| #ifdef HAVE_STDINT_H -| # include -| #endif -| #ifdef HAVE_UNISTD_H -| # include -| #endif -| #include -configure:14689: result: no -configure:14689: checking windows.h presence -configure:14689: g++ -E conftest.cpp -conftest.cpp:27:21: error: windows.h: No such file or directory -configure:14689: $? = 1 -configure: failed program was: -| /* confdefs.h */ -| #define PACKAGE_NAME "snappy" -| #define PACKAGE_TARNAME "snappy" -| #define PACKAGE_VERSION "1.0.5" -| #define PACKAGE_STRING "snappy 1.0.5" -| #define PACKAGE_BUGREPORT "" -| #define PACKAGE_URL "" -| #define PACKAGE "snappy" -| #define VERSION "1.0.5" -| #define STDC_HEADERS 1 -| #define HAVE_SYS_TYPES_H 1 -| #define HAVE_SYS_STAT_H 1 -| #define HAVE_STDLIB_H 1 -| #define HAVE_STRING_H 1 -| #define HAVE_MEMORY_H 1 -| #define HAVE_STRINGS_H 1 -| #define HAVE_INTTYPES_H 1 -| #define HAVE_STDINT_H 1 -| #define HAVE_UNISTD_H 1 -| #define HAVE_DLFCN_H 1 -| #define LT_OBJDIR ".libs/" -| #define HAVE_STDINT_H 1 -| #define HAVE_STDDEF_H 1 -| #define HAVE_SYS_MMAN_H 1 -| #define HAVE_SYS_RESOURCE_H 1 -| /* end confdefs.h. */ -| #include -configure:14689: result: no -configure:14689: checking for windows.h -configure:14689: result: no -configure:14689: checking byteswap.h usability -configure:14689: g++ -c -g -O2 conftest.cpp >&5 -configure:14689: $? = 0 -configure:14689: result: yes -configure:14689: checking byteswap.h presence -configure:14689: g++ -E conftest.cpp -configure:14689: $? = 0 -configure:14689: result: yes -configure:14689: checking for byteswap.h -configure:14689: result: yes -configure:14689: checking sys/byteswap.h usability -configure:14689: g++ -c -g -O2 conftest.cpp >&5 -conftest.cpp:61:26: error: sys/byteswap.h: No such file or directory -configure:14689: $? = 1 -configure: failed program was: -| /* confdefs.h */ -| #define PACKAGE_NAME "snappy" -| #define PACKAGE_TARNAME "snappy" -| #define PACKAGE_VERSION "1.0.5" -| #define PACKAGE_STRING "snappy 1.0.5" -| #define PACKAGE_BUGREPORT "" -| #define PACKAGE_URL "" -| #define PACKAGE "snappy" -| #define VERSION "1.0.5" -| #define STDC_HEADERS 1 -| #define HAVE_SYS_TYPES_H 1 -| #define HAVE_SYS_STAT_H 1 -| #define HAVE_STDLIB_H 1 -| #define HAVE_STRING_H 1 -| #define HAVE_MEMORY_H 1 -| #define HAVE_STRINGS_H 1 -| #define HAVE_INTTYPES_H 1 -| #define HAVE_STDINT_H 1 -| #define HAVE_UNISTD_H 1 -| #define HAVE_DLFCN_H 1 -| #define LT_OBJDIR ".libs/" -| #define HAVE_STDINT_H 1 -| #define HAVE_STDDEF_H 1 -| #define HAVE_SYS_MMAN_H 1 -| #define HAVE_SYS_RESOURCE_H 1 -| #define HAVE_BYTESWAP_H 1 -| /* end confdefs.h. */ -| #include -| #ifdef HAVE_SYS_TYPES_H -| # include -| #endif -| #ifdef HAVE_SYS_STAT_H -| # include -| #endif -| #ifdef STDC_HEADERS -| # include -| # include -| #else -| # ifdef HAVE_STDLIB_H -| # include -| # endif -| #endif -| #ifdef HAVE_STRING_H -| # if !defined STDC_HEADERS && defined HAVE_MEMORY_H -| # include -| # endif -| # include -| #endif -| #ifdef HAVE_STRINGS_H -| # include -| #endif -| #ifdef HAVE_INTTYPES_H -| # include -| #endif -| #ifdef HAVE_STDINT_H -| # include -| #endif -| #ifdef HAVE_UNISTD_H -| # include -| #endif -| #include -configure:14689: result: no -configure:14689: checking sys/byteswap.h presence -configure:14689: g++ -E conftest.cpp -conftest.cpp:28:26: error: sys/byteswap.h: No such file or directory -configure:14689: $? = 1 -configure: failed program was: -| /* confdefs.h */ -| #define PACKAGE_NAME "snappy" -| #define PACKAGE_TARNAME "snappy" -| #define PACKAGE_VERSION "1.0.5" -| #define PACKAGE_STRING "snappy 1.0.5" -| #define PACKAGE_BUGREPORT "" -| #define PACKAGE_URL "" -| #define PACKAGE "snappy" -| #define VERSION "1.0.5" -| #define STDC_HEADERS 1 -| #define HAVE_SYS_TYPES_H 1 -| #define HAVE_SYS_STAT_H 1 -| #define HAVE_STDLIB_H 1 -| #define HAVE_STRING_H 1 -| #define HAVE_MEMORY_H 1 -| #define HAVE_STRINGS_H 1 -| #define HAVE_INTTYPES_H 1 -| #define HAVE_STDINT_H 1 -| #define HAVE_UNISTD_H 1 -| #define HAVE_DLFCN_H 1 -| #define LT_OBJDIR ".libs/" -| #define HAVE_STDINT_H 1 -| #define HAVE_STDDEF_H 1 -| #define HAVE_SYS_MMAN_H 1 -| #define HAVE_SYS_RESOURCE_H 1 -| #define HAVE_BYTESWAP_H 1 -| /* end confdefs.h. */ -| #include -configure:14689: result: no -configure:14689: checking for sys/byteswap.h -configure:14689: result: no -configure:14689: checking sys/endian.h usability -configure:14689: g++ -c -g -O2 conftest.cpp >&5 -conftest.cpp:61:24: error: sys/endian.h: No such file or directory -configure:14689: $? = 1 -configure: failed program was: -| /* confdefs.h */ -| #define PACKAGE_NAME "snappy" -| #define PACKAGE_TARNAME "snappy" -| #define PACKAGE_VERSION "1.0.5" -| #define PACKAGE_STRING "snappy 1.0.5" -| #define PACKAGE_BUGREPORT "" -| #define PACKAGE_URL "" -| #define PACKAGE "snappy" -| #define VERSION "1.0.5" -| #define STDC_HEADERS 1 -| #define HAVE_SYS_TYPES_H 1 -| #define HAVE_SYS_STAT_H 1 -| #define HAVE_STDLIB_H 1 -| #define HAVE_STRING_H 1 -| #define HAVE_MEMORY_H 1 -| #define HAVE_STRINGS_H 1 -| #define HAVE_INTTYPES_H 1 -| #define HAVE_STDINT_H 1 -| #define HAVE_UNISTD_H 1 -| #define HAVE_DLFCN_H 1 -| #define LT_OBJDIR ".libs/" -| #define HAVE_STDINT_H 1 -| #define HAVE_STDDEF_H 1 -| #define HAVE_SYS_MMAN_H 1 -| #define HAVE_SYS_RESOURCE_H 1 -| #define HAVE_BYTESWAP_H 1 -| /* end confdefs.h. */ -| #include -| #ifdef HAVE_SYS_TYPES_H -| # include -| #endif -| #ifdef HAVE_SYS_STAT_H -| # include -| #endif -| #ifdef STDC_HEADERS -| # include -| # include -| #else -| # ifdef HAVE_STDLIB_H -| # include -| # endif -| #endif -| #ifdef HAVE_STRING_H -| # if !defined STDC_HEADERS && defined HAVE_MEMORY_H -| # include -| # endif -| # include -| #endif -| #ifdef HAVE_STRINGS_H -| # include -| #endif -| #ifdef HAVE_INTTYPES_H -| # include -| #endif -| #ifdef HAVE_STDINT_H -| # include -| #endif -| #ifdef HAVE_UNISTD_H -| # include -| #endif -| #include -configure:14689: result: no -configure:14689: checking sys/endian.h presence -configure:14689: g++ -E conftest.cpp -conftest.cpp:28:24: error: sys/endian.h: No such file or directory -configure:14689: $? = 1 -configure: failed program was: -| /* confdefs.h */ -| #define PACKAGE_NAME "snappy" -| #define PACKAGE_TARNAME "snappy" -| #define PACKAGE_VERSION "1.0.5" -| #define PACKAGE_STRING "snappy 1.0.5" -| #define PACKAGE_BUGREPORT "" -| #define PACKAGE_URL "" -| #define PACKAGE "snappy" -| #define VERSION "1.0.5" -| #define STDC_HEADERS 1 -| #define HAVE_SYS_TYPES_H 1 -| #define HAVE_SYS_STAT_H 1 -| #define HAVE_STDLIB_H 1 -| #define HAVE_STRING_H 1 -| #define HAVE_MEMORY_H 1 -| #define HAVE_STRINGS_H 1 -| #define HAVE_INTTYPES_H 1 -| #define HAVE_STDINT_H 1 -| #define HAVE_UNISTD_H 1 -| #define HAVE_DLFCN_H 1 -| #define LT_OBJDIR ".libs/" -| #define HAVE_STDINT_H 1 -| #define HAVE_STDDEF_H 1 -| #define HAVE_SYS_MMAN_H 1 -| #define HAVE_SYS_RESOURCE_H 1 -| #define HAVE_BYTESWAP_H 1 -| /* end confdefs.h. */ -| #include -configure:14689: result: no -configure:14689: checking for sys/endian.h -configure:14689: result: no -configure:14703: checking for mmap -configure:14703: g++ -o conftest -g -O2 conftest.cpp >&5 -configure:14703: $? = 0 -configure:14703: result: yes -configure:14725: checking for 'gtest-config' -configure:14746: checking for gtest-config -configure:14779: result: no -configure:14800: result: no -configure:14894: checking for pkg-config -configure:14912: found /usr/bin/pkg-config -configure:14924: result: /usr/bin/pkg-config -configure:14949: checking pkg-config is at least version 0.9.0 -configure:14952: result: yes -configure:14963: checking for gflags -configure:14971: $PKG_CONFIG --exists --print-errors "libgflags" -Package libgflags was not found in the pkg-config search path. -Perhaps you should add the directory containing `libgflags.pc' -to the PKG_CONFIG_PATH environment variable -No package 'libgflags' found -configure:14974: $? = 1 -configure:14989: $PKG_CONFIG --exists --print-errors "libgflags" -Package libgflags was not found in the pkg-config search path. -Perhaps you should add the directory containing `libgflags.pc' -to the PKG_CONFIG_PATH environment variable -No package 'libgflags' found -configure:14992: $? = 1 -No package 'libgflags' found -configure:15020: result: no -configure:15048: checking if the compiler supports __builtin_expect -configure:15064: g++ -c -g -O2 conftest.cpp >&5 -configure:15064: $? = 0 -configure:15067: result: yes -configure:15086: checking if the compiler supports __builtin_ctzll -configure:15102: g++ -c -g -O2 conftest.cpp >&5 -configure:15102: $? = 0 -configure:15105: result: yes -configure:15128: checking for zlibVersion in -lz -configure:15153: g++ -o conftest -g -O2 conftest.cpp -lz >&5 -configure:15153: $? = 0 -configure:15162: result: yes -configure:15180: checking for lzo1x_1_15_compress in -llzo2 -configure:15205: g++ -o conftest -g -O2 conftest.cpp -llzo2 >&5 -/usr/bin/ld: cannot find -llzo2 -collect2: ld returned 1 exit status -configure:15205: $? = 1 -configure: failed program was: -| /* confdefs.h */ -| #define PACKAGE_NAME "snappy" -| #define PACKAGE_TARNAME "snappy" -| #define PACKAGE_VERSION "1.0.5" -| #define PACKAGE_STRING "snappy 1.0.5" -| #define PACKAGE_BUGREPORT "" -| #define PACKAGE_URL "" -| #define PACKAGE "snappy" -| #define VERSION "1.0.5" -| #define STDC_HEADERS 1 -| #define HAVE_SYS_TYPES_H 1 -| #define HAVE_SYS_STAT_H 1 -| #define HAVE_STDLIB_H 1 -| #define HAVE_STRING_H 1 -| #define HAVE_MEMORY_H 1 -| #define HAVE_STRINGS_H 1 -| #define HAVE_INTTYPES_H 1 -| #define HAVE_STDINT_H 1 -| #define HAVE_UNISTD_H 1 -| #define HAVE_DLFCN_H 1 -| #define LT_OBJDIR ".libs/" -| #define HAVE_STDINT_H 1 -| #define HAVE_STDDEF_H 1 -| #define HAVE_SYS_MMAN_H 1 -| #define HAVE_SYS_RESOURCE_H 1 -| #define HAVE_BYTESWAP_H 1 -| #define HAVE_BUILTIN_EXPECT 1 -| #define HAVE_BUILTIN_CTZ 1 -| #define HAVE_LIBZ 1 -| /* end confdefs.h. */ -| -| /* Override any GCC internal prototype to avoid an error. -| Use char because int might match the return type of a GCC -| builtin and then its argument prototype would still apply. */ -| #ifdef __cplusplus -| extern "C" -| #endif -| char lzo1x_1_15_compress (); -| int -| main () -| { -| return lzo1x_1_15_compress (); -| ; -| return 0; -| } -configure:15214: result: no -configure:15232: checking for lzf_compress in -llzf -configure:15257: g++ -o conftest -g -O2 conftest.cpp -llzf >&5 -/usr/bin/ld: cannot find -llzf -collect2: ld returned 1 exit status -configure:15257: $? = 1 -configure: failed program was: -| /* confdefs.h */ -| #define PACKAGE_NAME "snappy" -| #define PACKAGE_TARNAME "snappy" -| #define PACKAGE_VERSION "1.0.5" -| #define PACKAGE_STRING "snappy 1.0.5" -| #define PACKAGE_BUGREPORT "" -| #define PACKAGE_URL "" -| #define PACKAGE "snappy" -| #define VERSION "1.0.5" -| #define STDC_HEADERS 1 -| #define HAVE_SYS_TYPES_H 1 -| #define HAVE_SYS_STAT_H 1 -| #define HAVE_STDLIB_H 1 -| #define HAVE_STRING_H 1 -| #define HAVE_MEMORY_H 1 -| #define HAVE_STRINGS_H 1 -| #define HAVE_INTTYPES_H 1 -| #define HAVE_STDINT_H 1 -| #define HAVE_UNISTD_H 1 -| #define HAVE_DLFCN_H 1 -| #define LT_OBJDIR ".libs/" -| #define HAVE_STDINT_H 1 -| #define HAVE_STDDEF_H 1 -| #define HAVE_SYS_MMAN_H 1 -| #define HAVE_SYS_RESOURCE_H 1 -| #define HAVE_BYTESWAP_H 1 -| #define HAVE_BUILTIN_EXPECT 1 -| #define HAVE_BUILTIN_CTZ 1 -| #define HAVE_LIBZ 1 -| /* end confdefs.h. */ -| -| /* Override any GCC internal prototype to avoid an error. -| Use char because int might match the return type of a GCC -| builtin and then its argument prototype would still apply. */ -| #ifdef __cplusplus -| extern "C" -| #endif -| char lzf_compress (); -| int -| main () -| { -| return lzf_compress (); -| ; -| return 0; -| } -configure:15266: result: no -configure:15284: checking for fastlz_compress in -lfastlz -configure:15309: g++ -o conftest -g -O2 conftest.cpp -lfastlz >&5 -/usr/bin/ld: cannot find -lfastlz -collect2: ld returned 1 exit status -configure:15309: $? = 1 -configure: failed program was: -| /* confdefs.h */ -| #define PACKAGE_NAME "snappy" -| #define PACKAGE_TARNAME "snappy" -| #define PACKAGE_VERSION "1.0.5" -| #define PACKAGE_STRING "snappy 1.0.5" -| #define PACKAGE_BUGREPORT "" -| #define PACKAGE_URL "" -| #define PACKAGE "snappy" -| #define VERSION "1.0.5" -| #define STDC_HEADERS 1 -| #define HAVE_SYS_TYPES_H 1 -| #define HAVE_SYS_STAT_H 1 -| #define HAVE_STDLIB_H 1 -| #define HAVE_STRING_H 1 -| #define HAVE_MEMORY_H 1 -| #define HAVE_STRINGS_H 1 -| #define HAVE_INTTYPES_H 1 -| #define HAVE_STDINT_H 1 -| #define HAVE_UNISTD_H 1 -| #define HAVE_DLFCN_H 1 -| #define LT_OBJDIR ".libs/" -| #define HAVE_STDINT_H 1 -| #define HAVE_STDDEF_H 1 -| #define HAVE_SYS_MMAN_H 1 -| #define HAVE_SYS_RESOURCE_H 1 -| #define HAVE_BYTESWAP_H 1 -| #define HAVE_BUILTIN_EXPECT 1 -| #define HAVE_BUILTIN_CTZ 1 -| #define HAVE_LIBZ 1 -| /* end confdefs.h. */ -| -| /* Override any GCC internal prototype to avoid an error. -| Use char because int might match the return type of a GCC -| builtin and then its argument prototype would still apply. */ -| #ifdef __cplusplus -| extern "C" -| #endif -| char fastlz_compress (); -| int -| main () -| { -| return fastlz_compress (); -| ; -| return 0; -| } -configure:15318: result: no -configure:15336: checking for qlz_compress in -lquicklz -configure:15361: g++ -o conftest -g -O2 conftest.cpp -lquicklz >&5 -/usr/bin/ld: cannot find -lquicklz -collect2: ld returned 1 exit status -configure:15361: $? = 1 -configure: failed program was: -| /* confdefs.h */ -| #define PACKAGE_NAME "snappy" -| #define PACKAGE_TARNAME "snappy" -| #define PACKAGE_VERSION "1.0.5" -| #define PACKAGE_STRING "snappy 1.0.5" -| #define PACKAGE_BUGREPORT "" -| #define PACKAGE_URL "" -| #define PACKAGE "snappy" -| #define VERSION "1.0.5" -| #define STDC_HEADERS 1 -| #define HAVE_SYS_TYPES_H 1 -| #define HAVE_SYS_STAT_H 1 -| #define HAVE_STDLIB_H 1 -| #define HAVE_STRING_H 1 -| #define HAVE_MEMORY_H 1 -| #define HAVE_STRINGS_H 1 -| #define HAVE_INTTYPES_H 1 -| #define HAVE_STDINT_H 1 -| #define HAVE_UNISTD_H 1 -| #define HAVE_DLFCN_H 1 -| #define LT_OBJDIR ".libs/" -| #define HAVE_STDINT_H 1 -| #define HAVE_STDDEF_H 1 -| #define HAVE_SYS_MMAN_H 1 -| #define HAVE_SYS_RESOURCE_H 1 -| #define HAVE_BYTESWAP_H 1 -| #define HAVE_BUILTIN_EXPECT 1 -| #define HAVE_BUILTIN_CTZ 1 -| #define HAVE_LIBZ 1 -| /* end confdefs.h. */ -| -| /* Override any GCC internal prototype to avoid an error. -| Use char because int might match the return type of a GCC -| builtin and then its argument prototype would still apply. */ -| #ifdef __cplusplus -| extern "C" -| #endif -| char qlz_compress (); -| int -| main () -| { -| return qlz_compress (); -| ; -| return 0; -| } -configure:15370: result: no -configure:15550: creating ./config.status - -## ---------------------- ## -## Running config.status. ## -## ---------------------- ## - -This file was extended by snappy config.status 1.0.5, which was -generated by GNU Autoconf 2.65. Invocation command line was - - CONFIG_FILES = - CONFIG_HEADERS = - CONFIG_LINKS = - CONFIG_COMMANDS = - $ ./config.status - -on micolTest - -config.status:1153: creating Makefile -config.status:1153: creating snappy-stubs-public.h -config.status:1153: creating config.h -config.status:1325: config.h is unchanged -config.status:1373: executing depfiles commands -config.status:1373: executing libtool commands - -## ---------------- ## -## Cache variables. ## -## ---------------- ## - -ac_cv_build=x86_64-unknown-linux-gnu -ac_cv_c_bigendian=no -ac_cv_c_compiler_gnu=yes -ac_cv_cxx_compiler_gnu=yes -ac_cv_env_CCC_set= -ac_cv_env_CCC_value= -ac_cv_env_CC_set= -ac_cv_env_CC_value= -ac_cv_env_CFLAGS_set= -ac_cv_env_CFLAGS_value= -ac_cv_env_CPPFLAGS_set= -ac_cv_env_CPPFLAGS_value= -ac_cv_env_CPP_set= -ac_cv_env_CPP_value= -ac_cv_env_CXXCPP_set= -ac_cv_env_CXXCPP_value= -ac_cv_env_CXXFLAGS_set= -ac_cv_env_CXXFLAGS_value= -ac_cv_env_CXX_set= -ac_cv_env_CXX_value= -ac_cv_env_GTEST_CONFIG_set= -ac_cv_env_GTEST_CONFIG_value= -ac_cv_env_GTEST_CPPFLAGS_set= -ac_cv_env_GTEST_CPPFLAGS_value= -ac_cv_env_GTEST_CXXFLAGS_set= -ac_cv_env_GTEST_CXXFLAGS_value= -ac_cv_env_GTEST_LDFLAGS_set= -ac_cv_env_GTEST_LDFLAGS_value= -ac_cv_env_GTEST_LIBS_set= -ac_cv_env_GTEST_LIBS_value= -ac_cv_env_GTEST_VERSION_set= -ac_cv_env_GTEST_VERSION_value= -ac_cv_env_LDFLAGS_set= -ac_cv_env_LDFLAGS_value= -ac_cv_env_LIBS_set= -ac_cv_env_LIBS_value= -ac_cv_env_PKG_CONFIG_set= -ac_cv_env_PKG_CONFIG_value= -ac_cv_env_build_alias_set= -ac_cv_env_build_alias_value= -ac_cv_env_gflags_CFLAGS_set= -ac_cv_env_gflags_CFLAGS_value= -ac_cv_env_gflags_LIBS_set= -ac_cv_env_gflags_LIBS_value= -ac_cv_env_host_alias_set= -ac_cv_env_host_alias_value= -ac_cv_env_target_alias_set= -ac_cv_env_target_alias_value= -ac_cv_func_mmap=yes -ac_cv_have_stddef_h=1 -ac_cv_have_stdint_h=1 -ac_cv_header_byteswap_h=yes -ac_cv_header_dlfcn_h=yes -ac_cv_header_inttypes_h=yes -ac_cv_header_memory_h=yes -ac_cv_header_stdc=yes -ac_cv_header_stddef_h=yes -ac_cv_header_stdint_h=yes -ac_cv_header_stdlib_h=yes -ac_cv_header_string_h=yes -ac_cv_header_strings_h=yes -ac_cv_header_sys_byteswap_h=no -ac_cv_header_sys_endian_h=no -ac_cv_header_sys_mman_h=yes -ac_cv_header_sys_resource_h=yes -ac_cv_header_sys_stat_h=yes -ac_cv_header_sys_types_h=yes -ac_cv_header_unistd_h=yes -ac_cv_header_windows_h=no -ac_cv_host=x86_64-unknown-linux-gnu -ac_cv_lib_fastlz_fastlz_compress=no -ac_cv_lib_lzf_lzf_compress=no -ac_cv_lib_lzo2_lzo1x_1_15_compress=no -ac_cv_lib_quicklz_qlz_compress=no -ac_cv_lib_z_zlibVersion=yes -ac_cv_objext=o -ac_cv_path_EGREP='/bin/grep -E' -ac_cv_path_FGREP='/bin/grep -F' -ac_cv_path_GREP=/bin/grep -ac_cv_path_SED=/bin/sed -ac_cv_path_ac_pt_PKG_CONFIG=/usr/bin/pkg-config -ac_cv_path_install='/usr/bin/install -c' -ac_cv_path_mkdir=/bin/mkdir -ac_cv_prog_AWK=gawk -ac_cv_prog_CPP='gcc -E' -ac_cv_prog_CXXCPP='g++ -E' -ac_cv_prog_ac_ct_AR=ar -ac_cv_prog_ac_ct_CC=gcc -ac_cv_prog_ac_ct_CXX=g++ -ac_cv_prog_ac_ct_OBJDUMP=objdump -ac_cv_prog_ac_ct_RANLIB=ranlib -ac_cv_prog_ac_ct_STRIP=strip -ac_cv_prog_cc_c89= -ac_cv_prog_cc_g=yes -ac_cv_prog_cxx_g=yes -ac_cv_prog_make_make_set=yes -am_cv_CC_dependencies_compiler_type=gcc3 -am_cv_CXX_dependencies_compiler_type=gcc3 -lt_cv_deplibs_check_method=pass_all -lt_cv_file_magic_cmd='$MAGIC_CMD' -lt_cv_file_magic_test_file= -lt_cv_ld_reload_flag=-r -lt_cv_nm_interface='BSD nm' -lt_cv_objdir=.libs -lt_cv_path_LD=/usr/bin/ld -lt_cv_path_LDCXX='/usr/bin/ld -m elf_x86_64' -lt_cv_path_NM='/usr/bin/nm -B' -lt_cv_prog_compiler_c_o=yes -lt_cv_prog_compiler_c_o_CXX=yes -lt_cv_prog_compiler_pic_works=yes -lt_cv_prog_compiler_pic_works_CXX=yes -lt_cv_prog_compiler_rtti_exceptions=no -lt_cv_prog_compiler_static_works=no -lt_cv_prog_compiler_static_works_CXX=no -lt_cv_prog_gnu_ld=yes -lt_cv_prog_gnu_ldcxx=yes -lt_cv_sys_global_symbol_pipe='sed -n -e '\''s/^.*[ ]\([ABCDGIRSTW][ABCDGIRSTW]*\)[ ][ ]*\([_A-Za-z][_A-Za-z0-9]*\)$/\1 \2 \2/p'\''' -lt_cv_sys_global_symbol_to_c_name_address='sed -n -e '\''s/^: \([^ ]*\) $/ {\"\1\", (void *) 0},/p'\'' -e '\''s/^[ABCDGIRSTW]* \([^ ]*\) \([^ ]*\)$/ {"\2", (void *) \&\2},/p'\''' -lt_cv_sys_global_symbol_to_c_name_address_lib_prefix='sed -n -e '\''s/^: \([^ ]*\) $/ {\"\1\", (void *) 0},/p'\'' -e '\''s/^[ABCDGIRSTW]* \([^ ]*\) \(lib[^ ]*\)$/ {"\2", (void *) \&\2},/p'\'' -e '\''s/^[ABCDGIRSTW]* \([^ ]*\) \([^ ]*\)$/ {"lib\2", (void *) \&\2},/p'\''' -lt_cv_sys_global_symbol_to_cdecl='sed -n -e '\''s/^T .* \(.*\)$/extern int \1();/p'\'' -e '\''s/^[ABCDGIRSTW]* .* \(.*\)$/extern char \1;/p'\''' -lt_cv_sys_max_cmd_len=1966080 - 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It works by - # looking at the text of this script. This case will never be run, - # since it is checked for above. - exit 1 - ;; - -none) - exec "$@" - ;; - -*) - echo "Unknown depmode $depmode" 1>&2 - exit 1 - ;; -esac - -exit 0 - -# Local Variables: -# mode: shell-script -# sh-indentation: 2 -# eval: (add-hook 'write-file-hooks 'time-stamp) -# time-stamp-start: "scriptversion=" -# time-stamp-format: "%:y-%02m-%02d.%02H" -# time-stamp-time-zone: "UTC" -# time-stamp-end: "; # UTC" -# End: diff --git a/deps/snappy-1.0.5/format_description.txt b/deps/snappy-1.0.5/format_description.txt deleted file mode 100644 index 20db66c..0000000 --- a/deps/snappy-1.0.5/format_description.txt +++ /dev/null @@ -1,110 +0,0 @@ -Snappy compressed format description -Last revised: 2011-10-05 - - -This is not a formal specification, but should suffice to explain most -relevant parts of how the Snappy format works. It is originally based on -text by Zeev Tarantov. - -Snappy is a LZ77-type compressor with a fixed, byte-oriented encoding. -There is no entropy encoder backend nor framing layer -- the latter is -assumed to be handled by other parts of the system. - -This document only describes the format, not how the Snappy compressor nor -decompressor actually works. The correctness of the decompressor should not -depend on implementation details of the compressor, and vice versa. - - -1. Preamble - -The stream starts with the uncompressed length (up to a maximum of 2^32 - 1), -stored as a little-endian varint. Varints consist of a series of bytes, -where the lower 7 bits are data and the upper bit is set iff there are -more bytes to be read. In other words, an uncompressed length of 64 would -be stored as 0x40, and an uncompressed length of 2097150 (0x1FFFFE) -would be stored as 0xFE 0xFF 0x7F. - - -2. The compressed stream itself - -There are two types of elements in a Snappy stream: Literals and -copies (backreferences). There is no restriction on the order of elements, -except that the stream naturally cannot start with a copy. (Having -two literals in a row is never optimal from a compression point of -view, but nevertheless fully permitted.) Each element starts with a tag byte, -and the lower two bits of this tag byte signal what type of element will -follow: - - 00: Literal - 01: Copy with 1-byte offset - 10: Copy with 2-byte offset - 11: Copy with 4-byte offset - -The interpretation of the upper six bits are element-dependent. - - -2.1. Literals (00) - -Literals are uncompressed data stored directly in the byte stream. -The literal length is stored differently depending on the length -of the literal: - - - For literals up to and including 60 bytes in length, the upper - six bits of the tag byte contain (len-1). The literal follows - immediately thereafter in the bytestream. - - For longer literals, the (len-1) value is stored after the tag byte, - little-endian. The upper six bits of the tag byte describe how - many bytes are used for the length; 60, 61, 62 or 63 for - 1-4 bytes, respectively. The literal itself follows after the - length. - - -2.2. Copies - -Copies are references back into previous decompressed data, telling -the decompressor to reuse data it has previously decoded. -They encode two values: The _offset_, saying how many bytes back -from the current position to read, and the _length_, how many bytes -to copy. Offsets of zero can be encoded, but are not legal; -similarly, it is possible to encode backreferences that would -go past the end of the block (offset > current decompressed position), -which is also nonsensical and thus not allowed. - -As in most LZ77-based compressors, the length can be larger than the offset, -yielding a form of run-length encoding (RLE). For instance, -"xababab" could be encoded as - - - -Note that since the current Snappy compressor works in 32 kB -blocks and does not do matching across blocks, it will never produce -a bitstream with offsets larger than about 32768. However, the -decompressor should not rely on this, as it may change in the future. - -There are several different kinds of copy elements, depending on -the amount of bytes to be copied (length), and how far back the -data to be copied is (offset). - - -2.2.1. Copy with 1-byte offset (01) - -These elements can encode lengths between [4..11] bytes and offsets -between [0..2047] bytes. (len-4) occupies three bits and is stored -in bits [2..4] of the tag byte. The offset occupies 11 bits, of which the -upper three are stored in the upper three bits ([5..7]) of the tag byte, -and the lower eight are stored in a byte following the tag byte. - - -2.2.2. Copy with 2-byte offset (10) - -These elements can encode lengths between [1..64] and offsets from -[0..65535]. (len-1) occupies six bits and is stored in the upper -six bits ([2..7]) of the tag byte. The offset is stored as a -little-endian 16-bit integer in the two bytes following the tag byte. - - -2.2.3. Copy with 4-byte offset (11) - -These are like the copies with 2-byte offsets (see previous subsection), -except that the offset is stored as a 32-bit integer instead of a -16-bit integer (and thus will occupy four bytes). diff --git a/deps/snappy-1.0.5/framing_format.txt b/deps/snappy-1.0.5/framing_format.txt deleted file mode 100644 index 08fda03..0000000 --- a/deps/snappy-1.0.5/framing_format.txt +++ /dev/null @@ -1,124 +0,0 @@ -Snappy framing format description -Last revised: 2011-12-15 - -This format decribes a framing format for Snappy, allowing compressing to -files or streams that can then more easily be decompressed without having -to hold the entire stream in memory. It also provides data checksums to -help verify integrity. It does not provide metadata checksums, so it does -not protect against e.g. all forms of truncations. - -Implementation of the framing format is optional for Snappy compressors and -decompressor; it is not part of the Snappy core specification. - - -1. General structure - -The file consists solely of chunks, lying back-to-back with no padding -in between. Each chunk consists first a single byte of chunk identifier, -then a two-byte little-endian length of the chunk in bytes (from 0 to 65535, -inclusive), and then the data if any. The three bytes of chunk header is not -counted in the data length. - -The different chunk types are listed below. The first chunk must always -be the stream identifier chunk (see section 4.1, below). The stream -ends when the file ends -- there is no explicit end-of-file marker. - - -2. File type identification - -The following identifiers for this format are recommended where appropriate. -However, note that none have been registered officially, so this is only to -be taken as a guideline. We use "Snappy framed" to distinguish between this -format and raw Snappy data. - - File extension: .sz - MIME type: application/x-snappy-framed - HTTP Content-Encoding: x-snappy-framed - - -3. Checksum format - -Some chunks have data protected by a checksum (the ones that do will say so -explicitly). The checksums are always masked CRC-32Cs. - -A description of CRC-32C can be found in RFC 3720, section 12.1, with -examples in section B.4. - -Checksums are not stored directly, but masked, as checksumming data and -then its own checksum can be problematic. The masking is the same as used -in Apache Hadoop: Rotate the checksum by 15 bits, then add the constant -0xa282ead8 (using wraparound as normal for unsigned integers). This is -equivalent to the following C code: - - uint32_t mask_checksum(uint32_t x) { - return ((x >> 15) | (x << 17)) + 0xa282ead8; - } - -Note that the masking is reversible. - -The checksum is always stored as a four bytes long integer, in little-endian. - - -4. Chunk types - -The currently supported chunk types are described below. The list may -be extended in the future. - - -4.1. Stream identifier (chunk type 0xff) - -The stream identifier is always the first element in the stream. -It is exactly six bytes long and contains "sNaPpY" in ASCII. This means that -a valid Snappy framed stream always starts with the bytes - - 0xff 0x06 0x00 0x73 0x4e 0x61 0x50 0x70 0x59 - -The stream identifier chunk can come multiple times in the stream besides -the first; if such a chunk shows up, it should simply be ignored, assuming -it has the right length and contents. This allows for easy concatenation of -compressed files without the need for re-framing. - - -4.2. Compressed data (chunk type 0x00) - -Compressed data chunks contain a normal Snappy compressed bitstream; -see the compressed format specification. The compressed data is preceded by -the CRC-32C (see section 3) of the _uncompressed_ data. - -Note that the data portion of the chunk, i.e., the compressed contents, -can be at most 65531 bytes (2^16 - 1, minus the checksum). -However, we place an additional restriction that the uncompressed data -in a chunk must be no longer than 32768 bytes. This allows consumers to -easily use small fixed-size buffers. - - -4.3. Uncompressed data (chunk type 0x01) - -Uncompressed data chunks allow a compressor to send uncompressed, -raw data; this is useful if, for instance, uncompressible or -near-incompressible data is detected, and faster decompression is desired. - -As in the compressed chunks, the data is preceded by its own masked -CRC-32C (see section 3). - -An uncompressed data chunk, like compressed data chunks, should contain -no more than 32768 data bytes, so the maximum legal chunk length with the -checksum is 32772. - - -4.4. Reserved unskippable chunks (chunk types 0x02-0x7f) - -These are reserved for future expansion. A decoder that sees such a chunk -should immediately return an error, as it must assume it cannot decode the -stream correctly. - -Future versions of this specification may define meanings for these chunks. - - -4.5. Reserved skippable chunks (chunk types 0x80-0xfe) - -These are also reserved for future expansion, but unlike the chunks -described in 4.4, a decoder seeing these must skip them and continue -decoding. - -Future versions of this specification may define meanings for these chunks. diff --git a/deps/snappy-1.0.5/install-sh b/deps/snappy-1.0.5/install-sh deleted file mode 100755 index 6781b98..0000000 --- a/deps/snappy-1.0.5/install-sh +++ /dev/null @@ -1,520 +0,0 @@ -#!/bin/sh -# install - install a program, script, or datafile - -scriptversion=2009-04-28.21; # UTC - -# This originates from X11R5 (mit/util/scripts/install.sh), which was -# later released in X11R6 (xc/config/util/install.sh) with the -# following copyright and license. -# -# Copyright (C) 1994 X Consortium -# -# Permission is hereby granted, free of charge, to any person obtaining a copy -# of this software and associated documentation files (the "Software"), to -# deal in the Software without restriction, including without limitation the -# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or -# sell copies of the Software, and to permit persons to whom the Software is -# furnished to do so, subject to the following conditions: -# -# The above copyright notice and this permission notice shall be included in -# all copies or substantial portions of the Software. -# -# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 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This is $PACKAGE $VERSION, but the -$progname: definition of this LT_INIT comes from an older release. -$progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION -$progname: and run autoconf again. -_LT_EOF - else - cat >&2 <<_LT_EOF -$progname: Version mismatch error. This is $PACKAGE $VERSION, but the -$progname: definition of this LT_INIT comes from $PACKAGE $macro_version. -$progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION -$progname: and run autoconf again. -_LT_EOF - fi - else - cat >&2 <<_LT_EOF -$progname: Version mismatch error. This is $PACKAGE $VERSION, revision $package_revision, -$progname: but the definition of this LT_INIT comes from revision $macro_revision. -$progname: You should recreate aclocal.m4 with macros from revision $package_revision -$progname: of $PACKAGE $VERSION and run autoconf again. -_LT_EOF - fi - - exit $EXIT_MISMATCH - fi -} - - -## ----------- ## -## Main. ## -## ----------- ## - -$opt_help || { - # Sanity checks first: - func_check_version_match - - if test "$build_libtool_libs" != yes && test "$build_old_libs" != yes; then - func_fatal_configuration "not configured to build any kind of library" - fi - - test -z "$mode" && func_fatal_error "error: you must specify a MODE." - - - # Darwin sucks - eval std_shrext=\"$shrext_cmds\" - - - # Only execute mode is allowed to have -dlopen flags. - if test -n "$execute_dlfiles" && test "$mode" != execute; then - func_error "unrecognized option \`-dlopen'" - $ECHO "$help" 1>&2 - exit $EXIT_FAILURE - fi - - # Change the help message to a mode-specific one. - generic_help="$help" - help="Try \`$progname --help --mode=$mode' for more information." -} - - -# func_lalib_p file -# True iff FILE is a libtool `.la' library or `.lo' object file. -# This function is only a basic sanity check; it will hardly flush out -# determined imposters. -func_lalib_p () -{ - test -f "$1" && - $SED -e 4q "$1" 2>/dev/null \ - | $GREP "^# Generated by .*$PACKAGE" > /dev/null 2>&1 -} - -# func_lalib_unsafe_p file -# True iff FILE is a libtool `.la' library or `.lo' object file. -# This function implements the same check as func_lalib_p without -# resorting to external programs. To this end, it redirects stdin and -# closes it afterwards, without saving the original file descriptor. -# As a safety measure, use it only where a negative result would be -# fatal anyway. Works if `file' does not exist. -func_lalib_unsafe_p () -{ - lalib_p=no - if test -f "$1" && test -r "$1" && exec 5<&0 <"$1"; then - for lalib_p_l in 1 2 3 4 - do - read lalib_p_line - case "$lalib_p_line" in - \#\ Generated\ by\ *$PACKAGE* ) lalib_p=yes; break;; - esac - done - exec 0<&5 5<&- - fi - test "$lalib_p" = yes -} - -# func_ltwrapper_script_p file -# True iff FILE is a libtool wrapper script -# This function is only a basic sanity check; it will hardly flush out -# determined imposters. -func_ltwrapper_script_p () -{ - func_lalib_p "$1" -} - -# func_ltwrapper_executable_p file -# True iff FILE is a libtool wrapper executable -# This function is only a basic sanity check; it will hardly flush out -# determined imposters. -func_ltwrapper_executable_p () -{ - func_ltwrapper_exec_suffix= - case $1 in - *.exe) ;; - *) func_ltwrapper_exec_suffix=.exe ;; - esac - $GREP "$magic_exe" "$1$func_ltwrapper_exec_suffix" >/dev/null 2>&1 -} - -# func_ltwrapper_scriptname file -# Assumes file is an ltwrapper_executable -# uses $file to determine the appropriate filename for a -# temporary ltwrapper_script. -func_ltwrapper_scriptname () -{ - func_ltwrapper_scriptname_result="" - if func_ltwrapper_executable_p "$1"; then - func_dirname_and_basename "$1" "" "." - func_stripname '' '.exe' "$func_basename_result" - func_ltwrapper_scriptname_result="$func_dirname_result/$objdir/${func_stripname_result}_ltshwrapper" - fi -} - -# func_ltwrapper_p file -# True iff FILE is a libtool wrapper script or wrapper executable -# This function is only a basic sanity check; it will hardly flush out -# determined imposters. -func_ltwrapper_p () -{ - func_ltwrapper_script_p "$1" || func_ltwrapper_executable_p "$1" -} - - -# func_execute_cmds commands fail_cmd -# Execute tilde-delimited COMMANDS. -# If FAIL_CMD is given, eval that upon failure. -# FAIL_CMD may read-access the current command in variable CMD! -func_execute_cmds () -{ - $opt_debug - save_ifs=$IFS; IFS='~' - for cmd in $1; do - IFS=$save_ifs - eval cmd=\"$cmd\" - func_show_eval "$cmd" "${2-:}" - done - IFS=$save_ifs -} - - -# func_source file -# Source FILE, adding directory component if necessary. -# Note that it is not necessary on cygwin/mingw to append a dot to -# FILE even if both FILE and FILE.exe exist: automatic-append-.exe -# behavior happens only for exec(3), not for open(2)! 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"./$1" ;; - esac -} - - -# func_infer_tag arg -# Infer tagged configuration to use if any are available and -# if one wasn't chosen via the "--tag" command line option. -# Only attempt this if the compiler in the base compile -# command doesn't match the default compiler. -# arg is usually of the form 'gcc ...' -func_infer_tag () -{ - $opt_debug - if test -n "$available_tags" && test -z "$tagname"; then - CC_quoted= - for arg in $CC; do - func_quote_for_eval "$arg" - CC_quoted="$CC_quoted $func_quote_for_eval_result" - done - case $@ in - # Blanks in the command may have been stripped by the calling shell, - # but not from the CC environment variable when configure was run. - " $CC "* | "$CC "* | " `$ECHO $CC` "* | "`$ECHO $CC` "* | " $CC_quoted"* | "$CC_quoted "* | " `$ECHO $CC_quoted` "* | "`$ECHO $CC_quoted` "*) ;; - # Blanks at the start of $base_compile will cause this to fail - # if we don't check for them as well. - *) - for z in $available_tags; do - if $GREP "^# ### BEGIN LIBTOOL TAG CONFIG: $z$" < "$progpath" > /dev/null; then - # Evaluate the configuration. - eval "`${SED} -n -e '/^# ### BEGIN LIBTOOL TAG CONFIG: '$z'$/,/^# ### END LIBTOOL TAG CONFIG: '$z'$/p' < $progpath`" - CC_quoted= - for arg in $CC; do - # Double-quote args containing other shell metacharacters. - func_quote_for_eval "$arg" - CC_quoted="$CC_quoted $func_quote_for_eval_result" - done - case "$@ " in - " $CC "* | "$CC "* | " `$ECHO $CC` "* | "`$ECHO $CC` "* | " $CC_quoted"* | "$CC_quoted "* | " `$ECHO $CC_quoted` "* | "`$ECHO $CC_quoted` "*) - # The compiler in the base compile command matches - # the one in the tagged configuration. - # Assume this is the tagged configuration we want. - tagname=$z - break - ;; - esac - fi - done - # If $tagname still isn't set, then no tagged configuration - # was found and let the user know that the "--tag" command - # line option must be used. - if test -z "$tagname"; then - func_echo "unable to infer tagged configuration" - func_fatal_error "specify a tag with \`--tag'" -# else -# func_verbose "using $tagname tagged configuration" - fi - ;; - esac - fi -} - - - -# func_write_libtool_object output_name pic_name nonpic_name -# Create a libtool object file (analogous to a ".la" file), -# but don't create it if we're doing a dry run. -func_write_libtool_object () -{ - write_libobj=${1} - if test "$build_libtool_libs" = yes; then - write_lobj=\'${2}\' - else - write_lobj=none - fi - - if test "$build_old_libs" = yes; then - write_oldobj=\'${3}\' - else - write_oldobj=none - fi - - $opt_dry_run || { - cat >${write_libobj}T <?"'"'"' &()|`$[]' \ - && func_warning "libobj name \`$libobj' may not contain shell special characters." - func_dirname_and_basename "$obj" "/" "" - objname="$func_basename_result" - xdir="$func_dirname_result" - lobj=${xdir}$objdir/$objname - - test -z "$base_compile" && \ - func_fatal_help "you must specify a compilation command" - - # Delete any leftover library objects. - if test "$build_old_libs" = yes; then - removelist="$obj $lobj $libobj ${libobj}T" - else - removelist="$lobj $libobj ${libobj}T" - fi - - # On Cygwin there's no "real" PIC flag so we must build both object types - case $host_os in - cygwin* | mingw* | pw32* | os2* | cegcc*) - pic_mode=default - ;; - esac - if test "$pic_mode" = no && test "$deplibs_check_method" != pass_all; then - # non-PIC code in shared libraries is not supported - pic_mode=default - fi - - # Calculate the filename of the output object if compiler does - # not support -o with -c - if test "$compiler_c_o" = no; then - output_obj=`$ECHO "X$srcfile" | $Xsed -e 's%^.*/%%' -e 's%\.[^.]*$%%'`.${objext} - lockfile="$output_obj.lock" - else - output_obj= - need_locks=no - lockfile= - fi - - # Lock this critical section if it is needed - # We use this script file to make the link, it avoids creating a new file - if test "$need_locks" = yes; then - until $opt_dry_run || ln "$progpath" "$lockfile" 2>/dev/null; do - func_echo "Waiting for $lockfile to be removed" - sleep 2 - done - elif test "$need_locks" = warn; then - if test -f "$lockfile"; then - $ECHO "\ -*** ERROR, $lockfile exists and contains: -`cat $lockfile 2>/dev/null` - -This indicates that another process is trying to use the same -temporary object file, and libtool could not work around it because -your compiler does not support \`-c' and \`-o' together. If you -repeat this compilation, it may succeed, by chance, but you had better -avoid parallel builds (make -j) in this platform, or get a better -compiler." - - $opt_dry_run || $RM $removelist - exit $EXIT_FAILURE - fi - removelist="$removelist $output_obj" - $ECHO "$srcfile" > "$lockfile" - fi - - $opt_dry_run || $RM $removelist - removelist="$removelist $lockfile" - trap '$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE' 1 2 15 - - if test -n "$fix_srcfile_path"; then - eval srcfile=\"$fix_srcfile_path\" - fi - func_quote_for_eval "$srcfile" - qsrcfile=$func_quote_for_eval_result - - # Only build a PIC object if we are building libtool libraries. - if test "$build_libtool_libs" = yes; then - # Without this assignment, base_compile gets emptied. - fbsd_hideous_sh_bug=$base_compile - - if test "$pic_mode" != no; then - command="$base_compile $qsrcfile $pic_flag" - else - # Don't build PIC code - command="$base_compile $qsrcfile" - fi - - func_mkdir_p "$xdir$objdir" - - if test -z "$output_obj"; then - # Place PIC objects in $objdir - command="$command -o $lobj" - fi - - func_show_eval_locale "$command" \ - 'test -n "$output_obj" && $RM $removelist; exit $EXIT_FAILURE' - - if test "$need_locks" = warn && - test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then - $ECHO "\ -*** ERROR, $lockfile contains: -`cat $lockfile 2>/dev/null` - -but it should contain: -$srcfile - -This indicates that another process is trying to use the same -temporary object file, and libtool could not work around it because -your compiler does not support \`-c' and \`-o' together. If you -repeat this compilation, it may succeed, by chance, but you had better -avoid parallel builds (make -j) in this platform, or get a better -compiler." - - $opt_dry_run || $RM $removelist - exit $EXIT_FAILURE - fi - - # Just move the object if needed, then go on to compile the next one - if test -n "$output_obj" && test "X$output_obj" != "X$lobj"; then - func_show_eval '$MV "$output_obj" "$lobj"' \ - 'error=$?; $opt_dry_run || $RM $removelist; exit $error' - fi - - # Allow error messages only from the first compilation. - if test "$suppress_opt" = yes; then - suppress_output=' >/dev/null 2>&1' - fi - fi - - # Only build a position-dependent object if we build old libraries. - if test "$build_old_libs" = yes; then - if test "$pic_mode" != yes; then - # Don't build PIC code - command="$base_compile $qsrcfile$pie_flag" - else - command="$base_compile $qsrcfile $pic_flag" - fi - if test "$compiler_c_o" = yes; then - command="$command -o $obj" - fi - - # Suppress compiler output if we already did a PIC compilation. - command="$command$suppress_output" - func_show_eval_locale "$command" \ - '$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE' - - if test "$need_locks" = warn && - test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then - $ECHO "\ -*** ERROR, $lockfile contains: -`cat $lockfile 2>/dev/null` - -but it should contain: -$srcfile - -This indicates that another process is trying to use the same -temporary object file, and libtool could not work around it because -your compiler does not support \`-c' and \`-o' together. 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- *.exe:*) - destfile=$destfile.exe - ;; - *:*.exe) - func_stripname '' '.exe' "$destfile" - destfile=$func_stripname_result - ;; - esac - ;; - esac - func_show_eval "$install_prog\$stripme \$file \$destfile" 'exit $?' - $opt_dry_run || if test -n "$outputname"; then - ${RM}r "$tmpdir" - fi - ;; - esac - done - - for file in $staticlibs; do - func_basename "$file" - name="$func_basename_result" - - # Set up the ranlib parameters. - oldlib="$destdir/$name" - - func_show_eval "$install_prog \$file \$oldlib" 'exit $?' - - if test -n "$stripme" && test -n "$old_striplib"; then - func_show_eval "$old_striplib $oldlib" 'exit $?' - fi - - # Do each command in the postinstall commands. - func_execute_cmds "$old_postinstall_cmds" 'exit $?' - done - - test -n "$future_libdirs" && \ - func_warning "remember to run \`$progname --finish$future_libdirs'" - - if test -n "$current_libdirs"; then - # Maybe just do a dry run. - $opt_dry_run && current_libdirs=" -n$current_libdirs" - exec_cmd='$SHELL $progpath $preserve_args --finish$current_libdirs' - else - exit $EXIT_SUCCESS - fi -} - -test "$mode" = install && func_mode_install ${1+"$@"} - - -# func_generate_dlsyms outputname originator pic_p -# Extract symbols from dlprefiles and create ${outputname}S.o with -# a dlpreopen symbol table. -func_generate_dlsyms () -{ - $opt_debug - my_outputname="$1" - my_originator="$2" - my_pic_p="${3-no}" - my_prefix=`$ECHO "$my_originator" | sed 's%[^a-zA-Z0-9]%_%g'` - my_dlsyms= - - if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then - if test -n "$NM" && test -n "$global_symbol_pipe"; then - my_dlsyms="${my_outputname}S.c" - else - func_error "not configured to extract global symbols from dlpreopened files" - fi - fi - - if test -n "$my_dlsyms"; then - case $my_dlsyms in - "") ;; - *.c) - # Discover the nlist of each of the dlfiles. - nlist="$output_objdir/${my_outputname}.nm" - - func_show_eval "$RM $nlist ${nlist}S ${nlist}T" - - # Parse the name list into a source file. - func_verbose "creating $output_objdir/$my_dlsyms" - - $opt_dry_run || $ECHO > "$output_objdir/$my_dlsyms" "\ -/* $my_dlsyms - symbol resolution table for \`$my_outputname' dlsym emulation. */ -/* Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION */ - -#ifdef __cplusplus -extern \"C\" { -#endif - -/* External symbol declarations for the compiler. */\ -" - - if test "$dlself" = yes; then - func_verbose "generating symbol list for \`$output'" - - $opt_dry_run || echo ': @PROGRAM@ ' > "$nlist" - - # Add our own program objects to the symbol list. - progfiles=`$ECHO "X$objs$old_deplibs" | $SP2NL | $Xsed -e "$lo2o" | $NL2SP` - for progfile in $progfiles; do - func_verbose "extracting global C symbols from \`$progfile'" - $opt_dry_run || eval "$NM $progfile | $global_symbol_pipe >> '$nlist'" - done - - if test -n "$exclude_expsyms"; then - $opt_dry_run || { - eval '$EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T' - eval '$MV "$nlist"T "$nlist"' - } - fi - - if test -n "$export_symbols_regex"; then - $opt_dry_run || { - eval '$EGREP -e "$export_symbols_regex" "$nlist" > "$nlist"T' - eval '$MV "$nlist"T "$nlist"' - } - fi - - # Prepare the list of exported symbols - if test -z "$export_symbols"; then - export_symbols="$output_objdir/$outputname.exp" - $opt_dry_run || { - $RM $export_symbols - eval "${SED} -n -e '/^: @PROGRAM@ $/d' -e 's/^.* \(.*\)$/\1/p' "'< "$nlist" > "$export_symbols"' - case $host in - *cygwin* | *mingw* | *cegcc* ) - eval "echo EXPORTS "'> "$output_objdir/$outputname.def"' - eval 'cat "$export_symbols" >> "$output_objdir/$outputname.def"' - ;; - esac - } - else - $opt_dry_run || { - eval "${SED} -e 's/\([].[*^$]\)/\\\\\1/g' -e 's/^/ /' -e 's/$/$/'"' < "$export_symbols" > "$output_objdir/$outputname.exp"' - eval '$GREP -f "$output_objdir/$outputname.exp" < "$nlist" > "$nlist"T' - eval '$MV "$nlist"T "$nlist"' - case $host in - *cygwin | *mingw* | *cegcc* ) - eval "echo EXPORTS "'> "$output_objdir/$outputname.def"' - eval 'cat "$nlist" >> "$output_objdir/$outputname.def"' - ;; - esac - } - fi - fi - - for dlprefile in $dlprefiles; do - func_verbose "extracting global C symbols from \`$dlprefile'" - func_basename "$dlprefile" - name="$func_basename_result" - $opt_dry_run || { - eval '$ECHO ": $name " >> "$nlist"' - eval "$NM $dlprefile 2>/dev/null | $global_symbol_pipe >> '$nlist'" - } - done - - $opt_dry_run || { - # Make sure we have at least an empty file. - test -f "$nlist" || : > "$nlist" - - if test -n "$exclude_expsyms"; then - $EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T - $MV "$nlist"T "$nlist" - fi - - # Try sorting and uniquifying the output. - if $GREP -v "^: " < "$nlist" | - if sort -k 3 /dev/null 2>&1; then - sort -k 3 - else - sort +2 - fi | - uniq > "$nlist"S; then - : - else - $GREP -v "^: " < "$nlist" > "$nlist"S - fi - - if test -f "$nlist"S; then - eval "$global_symbol_to_cdecl"' < "$nlist"S >> "$output_objdir/$my_dlsyms"' - else - $ECHO '/* NONE */' >> "$output_objdir/$my_dlsyms" - fi - - $ECHO >> "$output_objdir/$my_dlsyms" "\ - -/* The mapping between symbol names and symbols. */ -typedef struct { - const char *name; - void *address; -} lt_dlsymlist; -" - case $host in - *cygwin* | *mingw* | *cegcc* ) - $ECHO >> "$output_objdir/$my_dlsyms" "\ -/* DATA imports from DLLs on WIN32 con't be const, because - runtime relocations are performed -- see ld's documentation - on pseudo-relocs. */" - lt_dlsym_const= ;; - *osf5*) - echo >> "$output_objdir/$my_dlsyms" "\ -/* This system does not cope well with relocations in const data */" - lt_dlsym_const= ;; - *) - lt_dlsym_const=const ;; - esac - - $ECHO >> "$output_objdir/$my_dlsyms" "\ -extern $lt_dlsym_const lt_dlsymlist -lt_${my_prefix}_LTX_preloaded_symbols[]; -$lt_dlsym_const lt_dlsymlist -lt_${my_prefix}_LTX_preloaded_symbols[] = -{\ - { \"$my_originator\", (void *) 0 }," - - case $need_lib_prefix in - no) - eval "$global_symbol_to_c_name_address" < "$nlist" >> "$output_objdir/$my_dlsyms" - ;; - *) - eval "$global_symbol_to_c_name_address_lib_prefix" < "$nlist" >> "$output_objdir/$my_dlsyms" - ;; - esac - $ECHO >> "$output_objdir/$my_dlsyms" "\ - {0, (void *) 0} -}; - -/* This works around a problem in FreeBSD linker */ -#ifdef FREEBSD_WORKAROUND -static const void *lt_preloaded_setup() { - return lt_${my_prefix}_LTX_preloaded_symbols; -} -#endif - -#ifdef __cplusplus -} -#endif\ -" - } # !$opt_dry_run - - pic_flag_for_symtable= - case "$compile_command " in - *" -static "*) ;; - *) - case $host in - # compiling the symbol table file with pic_flag works around - # a FreeBSD bug that causes programs to crash when -lm is - # linked before any other PIC object. But we must not use - # pic_flag when linking with -static. The problem exists in - # FreeBSD 2.2.6 and is fixed in FreeBSD 3.1. - *-*-freebsd2*|*-*-freebsd3.0*|*-*-freebsdelf3.0*) - pic_flag_for_symtable=" $pic_flag -DFREEBSD_WORKAROUND" ;; - *-*-hpux*) - pic_flag_for_symtable=" $pic_flag" ;; - *) - if test "X$my_pic_p" != Xno; then - pic_flag_for_symtable=" $pic_flag" - fi - ;; - esac - ;; - esac - symtab_cflags= - for arg in $LTCFLAGS; do - case $arg in - -pie | -fpie | -fPIE) ;; - *) symtab_cflags="$symtab_cflags $arg" ;; - esac - done - - # Now compile the dynamic symbol file. - func_show_eval '(cd $output_objdir && $LTCC$symtab_cflags -c$no_builtin_flag$pic_flag_for_symtable "$my_dlsyms")' 'exit $?' - - # Clean up the generated files. - func_show_eval '$RM "$output_objdir/$my_dlsyms" "$nlist" "${nlist}S" "${nlist}T"' - - # Transform the symbol file into the correct name. - symfileobj="$output_objdir/${my_outputname}S.$objext" - case $host in - *cygwin* | *mingw* | *cegcc* ) - if test -f "$output_objdir/$my_outputname.def"; then - compile_command=`$ECHO "X$compile_command" | $Xsed -e "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"` - finalize_command=`$ECHO "X$finalize_command" | $Xsed -e "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"` - else - compile_command=`$ECHO "X$compile_command" | $Xsed -e "s%@SYMFILE@%$symfileobj%"` - finalize_command=`$ECHO "X$finalize_command" | $Xsed -e "s%@SYMFILE@%$symfileobj%"` - fi - ;; - *) - compile_command=`$ECHO "X$compile_command" | $Xsed -e "s%@SYMFILE@%$symfileobj%"` - finalize_command=`$ECHO "X$finalize_command" | $Xsed -e "s%@SYMFILE@%$symfileobj%"` - ;; - esac - ;; - *) - func_fatal_error "unknown suffix for \`$my_dlsyms'" - ;; - esac - else - # We keep going just in case the user didn't refer to - # lt_preloaded_symbols. The linker will fail if global_symbol_pipe - # really was required. - - # Nullify the symbol file. - compile_command=`$ECHO "X$compile_command" | $Xsed -e "s% @SYMFILE@%%"` - finalize_command=`$ECHO "X$finalize_command" | $Xsed -e "s% @SYMFILE@%%"` - fi -} - -# func_win32_libid arg -# return the library type of file 'arg' -# -# Need a lot of goo to handle *both* DLLs and import libs -# Has to be a shell function in order to 'eat' the argument -# that is supplied when $file_magic_command is called. -func_win32_libid () -{ - $opt_debug - win32_libid_type="unknown" - win32_fileres=`file -L $1 2>/dev/null` - case $win32_fileres in - *ar\ archive\ import\ library*) # definitely import - win32_libid_type="x86 archive import" - ;; - *ar\ archive*) # could be an import, or static - if eval $OBJDUMP -f $1 | $SED -e '10q' 2>/dev/null | - $EGREP 'file format pe-i386(.*architecture: i386)?' >/dev/null ; then - win32_nmres=`eval $NM -f posix -A $1 | - $SED -n -e ' - 1,100{ - / I /{ - s,.*,import, - p - q - } - }'` - case $win32_nmres in - import*) win32_libid_type="x86 archive import";; - *) win32_libid_type="x86 archive static";; - esac - fi - ;; - *DLL*) - win32_libid_type="x86 DLL" - ;; - *executable*) # but shell scripts are "executable" too... - case $win32_fileres in - *MS\ Windows\ PE\ Intel*) - win32_libid_type="x86 DLL" - ;; - esac - ;; - esac - $ECHO "$win32_libid_type" -} - - - -# func_extract_an_archive dir oldlib -func_extract_an_archive () -{ - $opt_debug - f_ex_an_ar_dir="$1"; shift - f_ex_an_ar_oldlib="$1" - func_show_eval "(cd \$f_ex_an_ar_dir && $AR x \"\$f_ex_an_ar_oldlib\")" 'exit $?' - if ($AR t "$f_ex_an_ar_oldlib" | sort | sort -uc >/dev/null 2>&1); then - : - else - func_fatal_error "object name conflicts in archive: $f_ex_an_ar_dir/$f_ex_an_ar_oldlib" - fi -} - - -# func_extract_archives gentop oldlib ... -func_extract_archives () -{ - $opt_debug - my_gentop="$1"; shift - my_oldlibs=${1+"$@"} - my_oldobjs="" - my_xlib="" - my_xabs="" - my_xdir="" - - for my_xlib in $my_oldlibs; do - # Extract the objects. - case $my_xlib in - [\\/]* | [A-Za-z]:[\\/]*) my_xabs="$my_xlib" ;; - *) my_xabs=`pwd`"/$my_xlib" ;; - esac - func_basename "$my_xlib" - my_xlib="$func_basename_result" - my_xlib_u=$my_xlib - while :; do - case " $extracted_archives " in - *" $my_xlib_u "*) - func_arith $extracted_serial + 1 - extracted_serial=$func_arith_result - my_xlib_u=lt$extracted_serial-$my_xlib ;; - *) break ;; - esac - done - extracted_archives="$extracted_archives $my_xlib_u" - my_xdir="$my_gentop/$my_xlib_u" - - func_mkdir_p "$my_xdir" - - case $host in - *-darwin*) - func_verbose "Extracting $my_xabs" - # Do not bother doing anything if just a dry run - $opt_dry_run || { - darwin_orig_dir=`pwd` - cd $my_xdir || exit $? - darwin_archive=$my_xabs - darwin_curdir=`pwd` - darwin_base_archive=`basename "$darwin_archive"` - darwin_arches=`$LIPO -info "$darwin_archive" 2>/dev/null | $GREP Architectures 2>/dev/null || true` - if test -n "$darwin_arches"; then - darwin_arches=`$ECHO "$darwin_arches" | $SED -e 's/.*are://'` - darwin_arch= - func_verbose "$darwin_base_archive has multiple architectures $darwin_arches" - for darwin_arch in $darwin_arches ; do - func_mkdir_p "unfat-$$/${darwin_base_archive}-${darwin_arch}" - $LIPO -thin $darwin_arch -output "unfat-$$/${darwin_base_archive}-${darwin_arch}/${darwin_base_archive}" "${darwin_archive}" - cd "unfat-$$/${darwin_base_archive}-${darwin_arch}" - func_extract_an_archive "`pwd`" "${darwin_base_archive}" - cd "$darwin_curdir" - $RM "unfat-$$/${darwin_base_archive}-${darwin_arch}/${darwin_base_archive}" - done # $darwin_arches - ## Okay now we've a bunch of thin objects, gotta fatten them up :) - darwin_filelist=`find unfat-$$ -type f -name \*.o -print -o -name \*.lo -print | $SED -e "$basename" | sort -u` - darwin_file= - darwin_files= - for darwin_file in $darwin_filelist; do - darwin_files=`find unfat-$$ -name $darwin_file -print | $NL2SP` - $LIPO -create -output "$darwin_file" $darwin_files - done # $darwin_filelist - $RM -rf unfat-$$ - cd "$darwin_orig_dir" - else - cd $darwin_orig_dir - func_extract_an_archive "$my_xdir" "$my_xabs" - fi # $darwin_arches - } # !$opt_dry_run - ;; - *) - func_extract_an_archive "$my_xdir" "$my_xabs" - ;; - esac - my_oldobjs="$my_oldobjs "`find $my_xdir -name \*.$objext -print -o -name \*.lo -print | $NL2SP` - done - - func_extract_archives_result="$my_oldobjs" -} - - - -# func_emit_wrapper_part1 [arg=no] -# -# Emit the first part of a libtool wrapper script on stdout. -# For more information, see the description associated with -# func_emit_wrapper(), below. -func_emit_wrapper_part1 () -{ - func_emit_wrapper_part1_arg1=no - if test -n "$1" ; then - func_emit_wrapper_part1_arg1=$1 - fi - - $ECHO "\ -#! $SHELL - -# $output - temporary wrapper script for $objdir/$outputname -# Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION -# -# The $output program cannot be directly executed until all the libtool -# libraries that it depends on are installed. -# -# This wrapper script should never be moved out of the build directory. -# If it is, it will not operate correctly. - -# Sed substitution that helps us do robust quoting. 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Disable this feature. - alias -g '\${1+\"\$@\"}'='\"\$@\"' - setopt NO_GLOB_SUBST -else - case \`(set -o) 2>/dev/null\` in *posix*) set -o posix;; esac -fi -BIN_SH=xpg4; export BIN_SH # for Tru64 -DUALCASE=1; export DUALCASE # for MKS sh - -# The HP-UX ksh and POSIX shell print the target directory to stdout -# if CDPATH is set. -(unset CDPATH) >/dev/null 2>&1 && unset CDPATH - -relink_command=\"$relink_command\" - -# This environment variable determines our operation mode. -if test \"\$libtool_install_magic\" = \"$magic\"; then - # install mode needs the following variables: - generated_by_libtool_version='$macro_version' - notinst_deplibs='$notinst_deplibs' -else - # When we are sourced in execute mode, \$file and \$ECHO are already set. - if test \"\$libtool_execute_magic\" != \"$magic\"; then - ECHO=\"$qecho\" - file=\"\$0\" - # Make sure echo works. - if test \"X\$1\" = X--no-reexec; then - # Discard the --no-reexec flag, and continue. - shift - elif test \"X\`{ \$ECHO '\t'; } 2>/dev/null\`\" = 'X\t'; then - # Yippee, \$ECHO works! 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Calling this function does no harm for other -# $host/$build combinations not listed above. -# -# ARG is the path (on $build) that should be converted to -# the proper representation for $host. The result is stored -# in $func_to_host_path_result. -func_to_host_path () -{ - func_to_host_path_result="$1" - if test -n "$1" ; then - case $host in - *mingw* ) - lt_sed_naive_backslashify='s|\\\\*|\\|g;s|/|\\|g;s|\\|\\\\|g' - case $build in - *mingw* ) # actually, msys - # awkward: cmd appends spaces to result - lt_sed_strip_trailing_spaces="s/[ ]*\$//" - func_to_host_path_tmp1=`( cmd //c echo "$1" |\ - $SED -e "$lt_sed_strip_trailing_spaces" ) 2>/dev/null || echo ""` - func_to_host_path_result=`echo "$func_to_host_path_tmp1" |\ - $SED -e "$lt_sed_naive_backslashify"` - ;; - *cygwin* ) - func_to_host_path_tmp1=`cygpath -w "$1"` - func_to_host_path_result=`echo "$func_to_host_path_tmp1" |\ - $SED -e "$lt_sed_naive_backslashify"` - ;; - * ) - # Unfortunately, winepath does not exit with a non-zero - # error code, so we are forced to check the contents of - # stdout. On the other hand, if the command is not - # found, the shell will set an exit code of 127 and print - # *an error message* to stdout. So we must check for both - # error code of zero AND non-empty stdout, which explains - # the odd construction: - func_to_host_path_tmp1=`winepath -w "$1" 2>/dev/null` - if test "$?" -eq 0 && test -n "${func_to_host_path_tmp1}"; then - func_to_host_path_result=`echo "$func_to_host_path_tmp1" |\ - $SED -e "$lt_sed_naive_backslashify"` - else - # Allow warning below. - func_to_host_path_result="" - fi - ;; - esac - if test -z "$func_to_host_path_result" ; then - func_error "Could not determine host path corresponding to" - func_error " '$1'" - func_error "Continuing, but uninstalled executables may not work." - # Fallback: - func_to_host_path_result="$1" - fi - ;; - esac - fi -} -# end: func_to_host_path - -# func_to_host_pathlist arg -# -# Convert pathlists to host format when used with build tools. -# See func_to_host_path(), above. This function supports the -# following $build/$host combinations (but does no harm for -# combinations not listed here): -# $build $host -# mingw (msys) mingw [e.g. native] -# cygwin mingw -# *nix + wine mingw -# -# Path separators are also converted from $build format to -# $host format. If ARG begins or ends with a path separator -# character, it is preserved (but converted to $host format) -# on output. -# -# ARG is a pathlist (on $build) that should be converted to -# the proper representation on $host. The result is stored -# in $func_to_host_pathlist_result. -func_to_host_pathlist () -{ - func_to_host_pathlist_result="$1" - if test -n "$1" ; then - case $host in - *mingw* ) - lt_sed_naive_backslashify='s|\\\\*|\\|g;s|/|\\|g;s|\\|\\\\|g' - # Remove leading and trailing path separator characters from - # ARG. msys behavior is inconsistent here, cygpath turns them - # into '.;' and ';.', and winepath ignores them completely. - func_to_host_pathlist_tmp2="$1" - # Once set for this call, this variable should not be - # reassigned. It is used in tha fallback case. - func_to_host_pathlist_tmp1=`echo "$func_to_host_pathlist_tmp2" |\ - $SED -e 's|^:*||' -e 's|:*$||'` - case $build in - *mingw* ) # Actually, msys. - # Awkward: cmd appends spaces to result. - lt_sed_strip_trailing_spaces="s/[ ]*\$//" - func_to_host_pathlist_tmp2=`( cmd //c echo "$func_to_host_pathlist_tmp1" |\ - $SED -e "$lt_sed_strip_trailing_spaces" ) 2>/dev/null || echo ""` - func_to_host_pathlist_result=`echo "$func_to_host_pathlist_tmp2" |\ - $SED -e "$lt_sed_naive_backslashify"` - ;; - *cygwin* ) - func_to_host_pathlist_tmp2=`cygpath -w -p "$func_to_host_pathlist_tmp1"` - func_to_host_pathlist_result=`echo "$func_to_host_pathlist_tmp2" |\ - $SED -e "$lt_sed_naive_backslashify"` - ;; - * ) - # unfortunately, winepath doesn't convert pathlists - func_to_host_pathlist_result="" - func_to_host_pathlist_oldIFS=$IFS - IFS=: - for func_to_host_pathlist_f in $func_to_host_pathlist_tmp1 ; do - IFS=$func_to_host_pathlist_oldIFS - if test -n "$func_to_host_pathlist_f" ; then - func_to_host_path "$func_to_host_pathlist_f" - if test -n "$func_to_host_path_result" ; then - if test -z "$func_to_host_pathlist_result" ; then - func_to_host_pathlist_result="$func_to_host_path_result" - else - func_to_host_pathlist_result="$func_to_host_pathlist_result;$func_to_host_path_result" - fi - fi - fi - IFS=: - done - IFS=$func_to_host_pathlist_oldIFS - ;; - esac - if test -z "$func_to_host_pathlist_result" ; then - func_error "Could not determine the host path(s) corresponding to" - func_error " '$1'" - func_error "Continuing, but uninstalled executables may not work." - # Fallback. This may break if $1 contains DOS-style drive - # specifications. The fix is not to complicate the expression - # below, but for the user to provide a working wine installation - # with winepath so that path translation in the cross-to-mingw - # case works properly. - lt_replace_pathsep_nix_to_dos="s|:|;|g" - func_to_host_pathlist_result=`echo "$func_to_host_pathlist_tmp1" |\ - $SED -e "$lt_replace_pathsep_nix_to_dos"` - fi - # Now, add the leading and trailing path separators back - case "$1" in - :* ) func_to_host_pathlist_result=";$func_to_host_pathlist_result" - ;; - esac - case "$1" in - *: ) func_to_host_pathlist_result="$func_to_host_pathlist_result;" - ;; - esac - ;; - esac - fi -} -# end: func_to_host_pathlist - -# func_emit_cwrapperexe_src -# emit the source code for a wrapper executable on stdout -# Must ONLY be called from within func_mode_link because -# it depends on a number of variable set therein. -func_emit_cwrapperexe_src () -{ - cat < -#include -#ifdef _MSC_VER -# include -# include -# include -# define setmode _setmode -#else -# include -# include -# ifdef __CYGWIN__ -# include -# define HAVE_SETENV -# ifdef __STRICT_ANSI__ -char *realpath (const char *, char *); -int putenv (char *); -int setenv (const char *, const char *, int); -# endif -# endif -#endif -#include -#include -#include -#include -#include -#include -#include -#include - -#if defined(PATH_MAX) -# define LT_PATHMAX PATH_MAX -#elif defined(MAXPATHLEN) -# define LT_PATHMAX MAXPATHLEN -#else -# define LT_PATHMAX 1024 -#endif - -#ifndef S_IXOTH -# define S_IXOTH 0 -#endif -#ifndef S_IXGRP -# define S_IXGRP 0 -#endif - -#ifdef _MSC_VER -# define S_IXUSR _S_IEXEC -# define stat _stat -# ifndef _INTPTR_T_DEFINED -# define intptr_t int -# endif -#endif - -#ifndef DIR_SEPARATOR -# define DIR_SEPARATOR '/' -# define PATH_SEPARATOR ':' -#endif - -#if defined (_WIN32) || defined (__MSDOS__) || defined (__DJGPP__) || \ - defined (__OS2__) -# define HAVE_DOS_BASED_FILE_SYSTEM -# define FOPEN_WB "wb" -# ifndef DIR_SEPARATOR_2 -# define DIR_SEPARATOR_2 '\\' -# endif -# ifndef PATH_SEPARATOR_2 -# define PATH_SEPARATOR_2 ';' -# endif -#endif - -#ifndef DIR_SEPARATOR_2 -# define IS_DIR_SEPARATOR(ch) ((ch) == DIR_SEPARATOR) -#else /* DIR_SEPARATOR_2 */ -# define IS_DIR_SEPARATOR(ch) \ - (((ch) == DIR_SEPARATOR) || ((ch) == DIR_SEPARATOR_2)) -#endif /* DIR_SEPARATOR_2 */ - -#ifndef PATH_SEPARATOR_2 -# define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR) -#else /* PATH_SEPARATOR_2 */ -# define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR_2) -#endif /* PATH_SEPARATOR_2 */ - -#ifdef __CYGWIN__ -# define FOPEN_WB "wb" -#endif - -#ifndef FOPEN_WB -# define FOPEN_WB "w" -#endif -#ifndef _O_BINARY -# define _O_BINARY 0 -#endif - -#define XMALLOC(type, num) ((type *) xmalloc ((num) * sizeof(type))) -#define XFREE(stale) do { \ - if (stale) { free ((void *) stale); stale = 0; } \ -} while (0) - -#undef LTWRAPPER_DEBUGPRINTF -#if defined DEBUGWRAPPER -# define LTWRAPPER_DEBUGPRINTF(args) ltwrapper_debugprintf args -static void -ltwrapper_debugprintf (const char *fmt, ...) -{ - va_list args; - va_start (args, fmt); - (void) vfprintf (stderr, fmt, args); - va_end (args); -} -#else -# define LTWRAPPER_DEBUGPRINTF(args) -#endif - -const char *program_name = NULL; - -void *xmalloc (size_t num); -char *xstrdup (const char *string); -const char *base_name (const char *name); -char *find_executable (const char *wrapper); -char *chase_symlinks (const char *pathspec); -int make_executable (const char *path); -int check_executable (const char *path); -char *strendzap (char *str, const char *pat); -void lt_fatal (const char *message, ...); -void lt_setenv (const char *name, const char *value); -char *lt_extend_str (const char *orig_value, const char *add, int to_end); -void lt_opt_process_env_set (const char *arg); -void lt_opt_process_env_prepend (const char *arg); -void lt_opt_process_env_append (const char *arg); -int lt_split_name_value (const char *arg, char** name, char** value); -void lt_update_exe_path (const char *name, const char *value); -void lt_update_lib_path (const char *name, const char *value); - -static const char *script_text_part1 = -EOF - - func_emit_wrapper_part1 yes | - $SED -e 's/\([\\"]\)/\\\1/g' \ - -e 's/^/ "/' -e 's/$/\\n"/' - echo ";" - cat <"))); - for (i = 0; i < newargc; i++) - { - LTWRAPPER_DEBUGPRINTF (("(main) newargz[%d] : %s\n", i, (newargz[i] ? newargz[i] : ""))); - } - -EOF - - case $host_os in - mingw*) - cat <<"EOF" - /* execv doesn't actually work on mingw as expected on unix */ - rval = _spawnv (_P_WAIT, lt_argv_zero, (const char * const *) newargz); - if (rval == -1) - { - /* failed to start process */ - LTWRAPPER_DEBUGPRINTF (("(main) failed to launch target \"%s\": errno = %d\n", lt_argv_zero, errno)); - return 127; - } - return rval; -EOF - ;; - *) - cat <<"EOF" - execv (lt_argv_zero, newargz); - return rval; /* =127, but avoids unused variable warning */ -EOF - ;; - esac - - cat <<"EOF" -} - -void * -xmalloc (size_t num) -{ - void *p = (void *) malloc (num); - if (!p) - lt_fatal ("Memory exhausted"); - - return p; -} - -char * -xstrdup (const char *string) -{ - return string ? strcpy ((char *) xmalloc (strlen (string) + 1), - string) : NULL; -} - -const char * -base_name (const char *name) -{ - const char *base; - -#if defined (HAVE_DOS_BASED_FILE_SYSTEM) - /* Skip over the disk name in MSDOS pathnames. */ - if (isalpha ((unsigned char) name[0]) && name[1] == ':') - name += 2; -#endif - - for (base = name; *name; name++) - if (IS_DIR_SEPARATOR (*name)) - base = name + 1; - return base; -} - -int -check_executable (const char *path) -{ - struct stat st; - - LTWRAPPER_DEBUGPRINTF (("(check_executable) : %s\n", - path ? (*path ? path : "EMPTY!") : "NULL!")); - if ((!path) || (!*path)) - return 0; - - if ((stat (path, &st) >= 0) - && (st.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH))) - return 1; - else - return 0; -} - -int -make_executable (const char *path) -{ - int rval = 0; - struct stat st; - - LTWRAPPER_DEBUGPRINTF (("(make_executable) : %s\n", - path ? (*path ? path : "EMPTY!") : "NULL!")); - if ((!path) || (!*path)) - return 0; - - if (stat (path, &st) >= 0) - { - rval = chmod (path, st.st_mode | S_IXOTH | S_IXGRP | S_IXUSR); - } - return rval; -} - -/* Searches for the full path of the wrapper. Returns - newly allocated full path name if found, NULL otherwise - Does not chase symlinks, even on platforms that support them. -*/ -char * -find_executable (const char *wrapper) -{ - int has_slash = 0; - const char *p; - const char *p_next; - /* static buffer for getcwd */ - char tmp[LT_PATHMAX + 1]; - int tmp_len; - char *concat_name; - - LTWRAPPER_DEBUGPRINTF (("(find_executable) : %s\n", - wrapper ? (*wrapper ? wrapper : "EMPTY!") : "NULL!")); - - if ((wrapper == NULL) || (*wrapper == '\0')) - return NULL; - - /* Absolute path? */ -#if defined (HAVE_DOS_BASED_FILE_SYSTEM) - if (isalpha ((unsigned char) wrapper[0]) && wrapper[1] == ':') - { - concat_name = xstrdup (wrapper); - if (check_executable (concat_name)) - return concat_name; - XFREE (concat_name); - } - else - { -#endif - if (IS_DIR_SEPARATOR (wrapper[0])) - { - concat_name = xstrdup (wrapper); - if (check_executable (concat_name)) - return concat_name; - XFREE (concat_name); - } -#if defined (HAVE_DOS_BASED_FILE_SYSTEM) - } -#endif - - for (p = wrapper; *p; p++) - if (*p == '/') - { - has_slash = 1; - break; - } - if (!has_slash) - { - /* no slashes; search PATH */ - const char *path = getenv ("PATH"); - if (path != NULL) - { - for (p = path; *p; p = p_next) - { - const char *q; - size_t p_len; - for (q = p; *q; q++) - if (IS_PATH_SEPARATOR (*q)) - break; - p_len = q - p; - p_next = (*q == '\0' ? q : q + 1); - if (p_len == 0) - { - /* empty path: current directory */ - if (getcwd (tmp, LT_PATHMAX) == NULL) - lt_fatal ("getcwd failed"); - tmp_len = strlen (tmp); - concat_name = - XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1); - memcpy (concat_name, tmp, tmp_len); - concat_name[tmp_len] = '/'; - strcpy (concat_name + tmp_len + 1, wrapper); - } - else - { - concat_name = - XMALLOC (char, p_len + 1 + strlen (wrapper) + 1); - memcpy (concat_name, p, p_len); - concat_name[p_len] = '/'; - strcpy (concat_name + p_len + 1, wrapper); - } - if (check_executable (concat_name)) - return concat_name; - XFREE (concat_name); - } - } - /* not found in PATH; assume curdir */ - } - /* Relative path | not found in path: prepend cwd */ - if (getcwd (tmp, LT_PATHMAX) == NULL) - lt_fatal ("getcwd failed"); - tmp_len = strlen (tmp); - concat_name = XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1); - memcpy (concat_name, tmp, tmp_len); - concat_name[tmp_len] = '/'; - strcpy (concat_name + tmp_len + 1, wrapper); - - if (check_executable (concat_name)) - return concat_name; - XFREE (concat_name); - return NULL; -} - -char * -chase_symlinks (const char *pathspec) -{ -#ifndef S_ISLNK - return xstrdup (pathspec); -#else - char buf[LT_PATHMAX]; - struct stat s; - char *tmp_pathspec = xstrdup (pathspec); - char *p; - int has_symlinks = 0; - while (strlen (tmp_pathspec) && !has_symlinks) - { - LTWRAPPER_DEBUGPRINTF (("checking path component for symlinks: %s\n", - tmp_pathspec)); - if (lstat (tmp_pathspec, &s) == 0) - { - if (S_ISLNK (s.st_mode) != 0) - { - has_symlinks = 1; - break; - } - - /* search backwards for last DIR_SEPARATOR */ - p = tmp_pathspec + strlen (tmp_pathspec) - 1; - while ((p > tmp_pathspec) && (!IS_DIR_SEPARATOR (*p))) - p--; - if ((p == tmp_pathspec) && (!IS_DIR_SEPARATOR (*p))) - { - /* no more DIR_SEPARATORS left */ - break; - } - *p = '\0'; - } - else - { - char *errstr = strerror (errno); - lt_fatal ("Error accessing file %s (%s)", tmp_pathspec, errstr); - } - } - XFREE (tmp_pathspec); - - if (!has_symlinks) - { - return xstrdup (pathspec); - } - - tmp_pathspec = realpath (pathspec, buf); - if (tmp_pathspec == 0) - { - lt_fatal ("Could not follow symlinks for %s", pathspec); - } - return xstrdup (tmp_pathspec); -#endif -} - -char * -strendzap (char *str, const char *pat) -{ - size_t len, patlen; - - assert (str != NULL); - assert (pat != NULL); - - len = strlen (str); - patlen = strlen (pat); - - if (patlen <= len) - { - str += len - patlen; - if (strcmp (str, pat) == 0) - *str = '\0'; - } - return str; -} - -static void -lt_error_core (int exit_status, const char *mode, - const char *message, va_list ap) -{ - fprintf (stderr, "%s: %s: ", program_name, mode); - vfprintf (stderr, message, ap); - fprintf (stderr, ".\n"); - - if (exit_status >= 0) - exit (exit_status); -} - -void -lt_fatal (const char *message, ...) -{ - va_list ap; - va_start (ap, message); - lt_error_core (EXIT_FAILURE, "FATAL", message, ap); - va_end (ap); -} - -void -lt_setenv (const char *name, const char *value) -{ - LTWRAPPER_DEBUGPRINTF (("(lt_setenv) setting '%s' to '%s'\n", - (name ? name : ""), - (value ? value : ""))); - { -#ifdef HAVE_SETENV - /* always make a copy, for consistency with !HAVE_SETENV */ - char *str = xstrdup (value); - setenv (name, str, 1); -#else - int len = strlen (name) + 1 + strlen (value) + 1; - char *str = XMALLOC (char, len); - sprintf (str, "%s=%s", name, value); - if (putenv (str) != EXIT_SUCCESS) - { - XFREE (str); - } -#endif - } -} - -char * -lt_extend_str (const char *orig_value, const char *add, int to_end) -{ - char *new_value; - if (orig_value && *orig_value) - { - int orig_value_len = strlen (orig_value); - int add_len = strlen (add); - new_value = XMALLOC (char, add_len + orig_value_len + 1); - if (to_end) - { - strcpy (new_value, orig_value); - strcpy (new_value + orig_value_len, add); - } - else - { - strcpy (new_value, add); - strcpy (new_value + add_len, orig_value); - } - } - else - { - new_value = xstrdup (add); - } - return new_value; -} - -int -lt_split_name_value (const char *arg, char** name, char** value) -{ - const char *p; - int len; - if (!arg || !*arg) - return 1; - - p = strchr (arg, (int)'='); - - if (!p) - return 1; - - *value = xstrdup (++p); - - len = strlen (arg) - strlen (*value); - *name = XMALLOC (char, len); - strncpy (*name, arg, len-1); - (*name)[len - 1] = '\0'; - - return 0; -} - -void -lt_opt_process_env_set (const char *arg) -{ - char *name = NULL; - char *value = NULL; - - if (lt_split_name_value (arg, &name, &value) != 0) - { - XFREE (name); - XFREE (value); - lt_fatal ("bad argument for %s: '%s'", env_set_opt, arg); - } - - lt_setenv (name, value); - XFREE (name); - XFREE (value); -} - -void -lt_opt_process_env_prepend (const char *arg) -{ - char *name = NULL; - char *value = NULL; - char *new_value = NULL; - - if (lt_split_name_value (arg, &name, &value) != 0) - { - XFREE (name); - XFREE (value); - lt_fatal ("bad argument for %s: '%s'", env_prepend_opt, arg); - } - - new_value = lt_extend_str (getenv (name), value, 0); - lt_setenv (name, new_value); - XFREE (new_value); - XFREE (name); - XFREE (value); -} - -void -lt_opt_process_env_append (const char *arg) -{ - char *name = NULL; - char *value = NULL; - char *new_value = NULL; - - if (lt_split_name_value (arg, &name, &value) != 0) - { - XFREE (name); - XFREE (value); - lt_fatal ("bad argument for %s: '%s'", env_append_opt, arg); - } - - new_value = lt_extend_str (getenv (name), value, 1); - lt_setenv (name, new_value); - XFREE (new_value); - XFREE (name); - XFREE (value); -} - -void -lt_update_exe_path (const char *name, const char *value) -{ - LTWRAPPER_DEBUGPRINTF (("(lt_update_exe_path) modifying '%s' by prepending '%s'\n", - (name ? name : ""), - (value ? value : ""))); - - if (name && *name && value && *value) - { - char *new_value = lt_extend_str (getenv (name), value, 0); - /* some systems can't cope with a ':'-terminated path #' */ - int len = strlen (new_value); - while (((len = strlen (new_value)) > 0) && IS_PATH_SEPARATOR (new_value[len-1])) - { - new_value[len-1] = '\0'; - } - lt_setenv (name, new_value); - XFREE (new_value); - } -} - -void -lt_update_lib_path (const char *name, const char *value) -{ - LTWRAPPER_DEBUGPRINTF (("(lt_update_lib_path) modifying '%s' by prepending '%s'\n", - (name ? name : ""), - (value ? value : ""))); - - if (name && *name && value && *value) - { - char *new_value = lt_extend_str (getenv (name), value, 0); - lt_setenv (name, new_value); - XFREE (new_value); - } -} - - -EOF -} -# end: func_emit_cwrapperexe_src - -# func_mode_link arg... -func_mode_link () -{ - $opt_debug - case $host in - *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) - # It is impossible to link a dll without this setting, and - # we shouldn't force the makefile maintainer to figure out - # which system we are compiling for in order to pass an extra - # flag for every libtool invocation. - # allow_undefined=no - - # FIXME: Unfortunately, there are problems with the above when trying - # to make a dll which has undefined symbols, in which case not - # even a static library is built. For now, we need to specify - # -no-undefined on the libtool link line when we can be certain - # that all symbols are satisfied, otherwise we get a static library. - allow_undefined=yes - ;; - *) - allow_undefined=yes - ;; - esac - libtool_args=$nonopt - base_compile="$nonopt $@" - compile_command=$nonopt - finalize_command=$nonopt - - compile_rpath= - finalize_rpath= - compile_shlibpath= - finalize_shlibpath= - convenience= - old_convenience= - deplibs= - old_deplibs= - compiler_flags= - linker_flags= - dllsearchpath= - lib_search_path=`pwd` - inst_prefix_dir= - new_inherited_linker_flags= - - avoid_version=no - dlfiles= - dlprefiles= - dlself=no - export_dynamic=no - export_symbols= - export_symbols_regex= - generated= - libobjs= - ltlibs= - module=no - no_install=no - objs= - non_pic_objects= - precious_files_regex= - prefer_static_libs=no - preload=no - prev= - prevarg= - release= - rpath= - xrpath= - perm_rpath= - temp_rpath= - thread_safe=no - vinfo= - vinfo_number=no - weak_libs= - single_module="${wl}-single_module" - func_infer_tag $base_compile - - # We need to know -static, to get the right output filenames. - for arg - do - case $arg in - -shared) - test "$build_libtool_libs" != yes && \ - func_fatal_configuration "can not build a shared library" - build_old_libs=no - break - ;; - -all-static | -static | -static-libtool-libs) - case $arg in - -all-static) - if test "$build_libtool_libs" = yes && test -z "$link_static_flag"; then - func_warning "complete static linking is impossible in this configuration" - fi - if test -n "$link_static_flag"; then - dlopen_self=$dlopen_self_static - fi - prefer_static_libs=yes - ;; - -static) - if test -z "$pic_flag" && test -n "$link_static_flag"; then - dlopen_self=$dlopen_self_static - fi - prefer_static_libs=built - ;; - -static-libtool-libs) - if test -z "$pic_flag" && test -n "$link_static_flag"; then - dlopen_self=$dlopen_self_static - fi - prefer_static_libs=yes - ;; - esac - build_libtool_libs=no - build_old_libs=yes - break - ;; - esac - done - - # See if our shared archives depend on static archives. - test -n "$old_archive_from_new_cmds" && build_old_libs=yes - - # Go through the arguments, transforming them on the way. - while test "$#" -gt 0; do - arg="$1" - shift - func_quote_for_eval "$arg" - qarg=$func_quote_for_eval_unquoted_result - func_append libtool_args " $func_quote_for_eval_result" - - # If the previous option needs an argument, assign it. - if test -n "$prev"; then - case $prev in - output) - func_append compile_command " @OUTPUT@" - func_append finalize_command " @OUTPUT@" - ;; - esac - - case $prev in - dlfiles|dlprefiles) - if test "$preload" = no; then - # Add the symbol object into the linking commands. - func_append compile_command " @SYMFILE@" - func_append finalize_command " @SYMFILE@" - preload=yes - fi - case $arg in - *.la | *.lo) ;; # We handle these cases below. - force) - if test "$dlself" = no; then - dlself=needless - export_dynamic=yes - fi - prev= - continue - ;; - self) - if test "$prev" = dlprefiles; then - dlself=yes - elif test "$prev" = dlfiles && test "$dlopen_self" != yes; then - dlself=yes - else - dlself=needless - export_dynamic=yes - fi - prev= - continue - ;; - *) - if test "$prev" = dlfiles; then - dlfiles="$dlfiles $arg" - else - dlprefiles="$dlprefiles $arg" - fi - prev= - continue - ;; - esac - ;; - expsyms) - export_symbols="$arg" - test -f "$arg" \ - || func_fatal_error "symbol file \`$arg' does not exist" - prev= - continue - ;; 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do - if $opt_duplicate_deps ; then - case "$libs " in - *" $deplib "*) specialdeplibs="$specialdeplibs $deplib" ;; - esac - fi - libs="$libs $deplib" - done - - if test "$linkmode" = lib; then - libs="$predeps $libs $compiler_lib_search_path $postdeps" - - # Compute libraries that are listed more than once in $predeps - # $postdeps and mark them as special (i.e., whose duplicates are - # not to be eliminated). - pre_post_deps= - if $opt_duplicate_compiler_generated_deps; then - for pre_post_dep in $predeps $postdeps; do - case "$pre_post_deps " in - *" $pre_post_dep "*) specialdeplibs="$specialdeplibs $pre_post_deps" ;; - esac - pre_post_deps="$pre_post_deps $pre_post_dep" - done - fi - pre_post_deps= - fi - - deplibs= - newdependency_libs= - newlib_search_path= - need_relink=no # whether we're linking any uninstalled libtool libraries - notinst_deplibs= # not-installed libtool libraries - notinst_path= # paths that contain not-installed libtool libraries - - case $linkmode in - lib) - passes="conv dlpreopen link" - for file in $dlfiles $dlprefiles; do - case $file in - *.la) ;; - *) - func_fatal_help "libraries can \`-dlopen' only libtool libraries: $file" - ;; - esac - done - ;; - prog) - compile_deplibs= - finalize_deplibs= - alldeplibs=no - newdlfiles= - newdlprefiles= - passes="conv scan dlopen dlpreopen link" - ;; - *) passes="conv" - ;; - esac - - for pass in $passes; do - # The preopen pass in lib mode reverses $deplibs; put it back here - # so that -L comes before libs that need it for instance... - if test "$linkmode,$pass" = "lib,link"; then - ## FIXME: Find the place where the list is rebuilt in the wrong - ## order, and fix it there properly - tmp_deplibs= - for deplib in $deplibs; do - tmp_deplibs="$deplib $tmp_deplibs" - done - deplibs="$tmp_deplibs" - fi - - if test "$linkmode,$pass" = "lib,link" || - test "$linkmode,$pass" = "prog,scan"; then - libs="$deplibs" - deplibs= - fi - if test "$linkmode" = prog; then - case $pass in - dlopen) libs="$dlfiles" ;; - dlpreopen) libs="$dlprefiles" ;; - link) - libs="$deplibs %DEPLIBS%" - test "X$link_all_deplibs" != Xno && libs="$libs $dependency_libs" - ;; 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then - case "$new_inherited_linker_flags " in - *" $deplib "*) ;; - * ) new_inherited_linker_flags="$new_inherited_linker_flags $deplib" ;; - esac - fi - fi - continue - ;; - -l*) - if test "$linkmode" != lib && test "$linkmode" != prog; then - func_warning "\`-l' is ignored for archives/objects" - continue - fi - func_stripname '-l' '' "$deplib" - name=$func_stripname_result - if test "$linkmode" = lib; then - searchdirs="$newlib_search_path $lib_search_path $compiler_lib_search_dirs $sys_lib_search_path $shlib_search_path" - else - searchdirs="$newlib_search_path $lib_search_path $sys_lib_search_path $shlib_search_path" - fi - for searchdir in $searchdirs; do - for search_ext in .la $std_shrext .so .a; do - # Search the libtool library - lib="$searchdir/lib${name}${search_ext}" - if test -f "$lib"; then - if test "$search_ext" = ".la"; then - found=yes - else - found=no - fi - break 2 - fi - done - done - if test "$found" != yes; then - # deplib doesn't seem to be a libtool library - if test "$linkmode,$pass" = "prog,link"; then - compile_deplibs="$deplib $compile_deplibs" - finalize_deplibs="$deplib $finalize_deplibs" - else - deplibs="$deplib $deplibs" - test "$linkmode" = lib && newdependency_libs="$deplib $newdependency_libs" - fi - continue - else # deplib is a libtool library - # If $allow_libtool_libs_with_static_runtimes && $deplib is a stdlib, - # We need to do some special things here, and not later. - if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then - case " $predeps $postdeps " in - *" $deplib "*) - if func_lalib_p "$lib"; then - library_names= - old_library= - func_source "$lib" - for l in $old_library $library_names; do - ll="$l" - done - if test "X$ll" = "X$old_library" ; then # only static version available - found=no - func_dirname "$lib" "" "." - ladir="$func_dirname_result" - lib=$ladir/$old_library - if test "$linkmode,$pass" = "prog,link"; then - compile_deplibs="$deplib $compile_deplibs" - finalize_deplibs="$deplib $finalize_deplibs" - else - deplibs="$deplib $deplibs" - test "$linkmode" = lib && newdependency_libs="$deplib $newdependency_libs" - fi - continue - fi - fi - ;; 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then - $ECHO - $ECHO "*** And there doesn't seem to be a static archive available" - $ECHO "*** The link will probably fail, sorry" - else - add="$dir/$old_library" - fi - elif test -n "$old_library"; then - add="$dir/$old_library" - fi - fi - esac - elif test "$hardcode_minus_L" = no; then - case $host in - *-*-sunos*) add_shlibpath="$dir" ;; - esac - add_dir="-L$dir" - add="-l$name" - elif test "$hardcode_shlibpath_var" = no; then - add_shlibpath="$dir" - add="-l$name" - else - lib_linked=no - fi - ;; - relink) - if test "$hardcode_direct" = yes && - test "$hardcode_direct_absolute" = no; then - add="$dir/$linklib" - elif test "$hardcode_minus_L" = yes; then - add_dir="-L$dir" - # Try looking first in the location we're being installed to. - if test -n "$inst_prefix_dir"; then - case $libdir in - [\\/]*) - add_dir="$add_dir -L$inst_prefix_dir$libdir" - ;; - esac - fi - add="-l$name" - elif test "$hardcode_shlibpath_var" = yes; then - add_shlibpath="$dir" - add="-l$name" - else - lib_linked=no - fi - ;; - *) lib_linked=no ;; - esac - - if test "$lib_linked" != yes; then - func_fatal_configuration "unsupported hardcode properties" - fi - - if test -n "$add_shlibpath"; then - case :$compile_shlibpath: in - *":$add_shlibpath:"*) ;; - *) compile_shlibpath="$compile_shlibpath$add_shlibpath:" ;; - esac - fi - if test "$linkmode" = prog; then - test -n "$add_dir" && compile_deplibs="$add_dir $compile_deplibs" - test -n "$add" && compile_deplibs="$add $compile_deplibs" - else - test -n "$add_dir" && deplibs="$add_dir $deplibs" - test -n "$add" && deplibs="$add $deplibs" - if test "$hardcode_direct" != yes && - test "$hardcode_minus_L" != yes && - test "$hardcode_shlibpath_var" = yes; then - case :$finalize_shlibpath: in - *":$libdir:"*) ;; - *) finalize_shlibpath="$finalize_shlibpath$libdir:" ;; - esac - fi - fi - fi - - if test "$linkmode" = prog || test "$mode" = relink; then - add_shlibpath= - add_dir= - add= - # Finalize command for both is simple: just hardcode it. - if test "$hardcode_direct" = yes && - test "$hardcode_direct_absolute" = no; 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then - # Stick the inst_prefix_dir data into the link command. - relink_command=`$ECHO "X$relink_command" | $Xsed -e "s%@inst_prefix_dir@%-inst-prefix-dir $inst_prefix_dir%"` - else - relink_command=`$ECHO "X$relink_command" | $Xsed -e "s%@inst_prefix_dir@%%"` - fi - - func_warning "relinking \`$file'" - func_show_eval "$relink_command" \ - 'func_fatal_error "error: relink \`$file'\'' with the above command before installing it"' - fi - - # See the names of the shared library. - set dummy $library_names; shift - if test -n "$1"; then - realname="$1" - shift - - srcname="$realname" - test -n "$relink_command" && srcname="$realname"T - - # Install the shared library and build the symlinks. - func_show_eval "$install_prog $dir/$srcname $destdir/$realname" \ - 'exit $?' - tstripme="$stripme" - case $host_os in - cygwin* | mingw* | pw32* | cegcc*) - case $realname in - *.dll.a) - tstripme="" - ;; - esac - ;; - esac - if test -n "$tstripme" && test -n "$striplib"; then - func_show_eval "$striplib $destdir/$realname" 'exit $?' - fi - - if test "$#" -gt 0; then - # Delete the old symlinks, and create new ones. - # Try `ln -sf' first, because the `ln' binary might depend on - # the symlink we replace! Solaris /bin/ln does not understand -f, - # so we also need to try rm && ln -s. - for linkname - do - test "$linkname" != "$realname" \ - && func_show_eval "(cd $destdir && { $LN_S -f $realname $linkname || { $RM $linkname && $LN_S $realname $linkname; }; })" - done - fi - - # Do each command in the postinstall commands. - lib="$destdir/$realname" - func_execute_cmds "$postinstall_cmds" 'exit $?' - fi - - # Install the pseudo-library for information purposes. - func_basename "$file" - name="$func_basename_result" - instname="$dir/$name"i - func_show_eval "$install_prog $instname $destdir/$name" 'exit $?' - - # Maybe install the static library, too. - test -n "$old_library" && staticlibs="$staticlibs $dir/$old_library" - ;; - - *.lo) - # Install (i.e. copy) a libtool object. - - # Figure out destination file name, if it wasn't already specified. - if test -n "$destname"; then - destfile="$destdir/$destname" - else - func_basename "$file" - destfile="$func_basename_result" - destfile="$destdir/$destfile" - fi - - # Deduce the name of the destination old-style object file. - case $destfile in - *.lo) - func_lo2o "$destfile" - staticdest=$func_lo2o_result - ;; - *.$objext) - staticdest="$destfile" - destfile= - ;; - *) - func_fatal_help "cannot copy a libtool object to \`$destfile'" - ;; - esac - - # Install the libtool object if requested. - test -n "$destfile" && \ - func_show_eval "$install_prog $file $destfile" 'exit $?' - - # Install the old object if enabled. - if test "$build_old_libs" = yes; then - # Deduce the name of the old-style object file. - func_lo2o "$file" - staticobj=$func_lo2o_result - func_show_eval "$install_prog \$staticobj \$staticdest" 'exit $?' - fi - exit $EXIT_SUCCESS - ;; - - *) - # Figure out destination file name, if it wasn't already specified. - if test -n "$destname"; then - destfile="$destdir/$destname" - else - func_basename "$file" - destfile="$func_basename_result" - destfile="$destdir/$destfile" - fi - - # If the file is missing, and there is a .exe on the end, strip it - # because it is most likely a libtool script we actually want to - # install - stripped_ext="" - case $file in - *.exe) - if test ! -f "$file"; then - func_stripname '' '.exe' "$file" - file=$func_stripname_result - stripped_ext=".exe" - fi - ;; - esac - - # Do a test to see if this is really a libtool program. - case $host in - *cygwin* | *mingw*) - if func_ltwrapper_executable_p "$file"; then - func_ltwrapper_scriptname "$file" - wrapper=$func_ltwrapper_scriptname_result - else - func_stripname '' '.exe' "$file" - wrapper=$func_stripname_result - fi - ;; - *) - wrapper=$file - ;; - esac - if func_ltwrapper_script_p "$wrapper"; then - notinst_deplibs= - relink_command= - - func_source "$wrapper" - - # Check the variables that should have been set. - test -z "$generated_by_libtool_version" && \ - func_fatal_error "invalid libtool wrapper script \`$wrapper'" - - finalize=yes - for lib in $notinst_deplibs; do - # Check to see that each library is installed. - libdir= - if test -f "$lib"; then - func_source "$lib" - fi - libfile="$libdir/"`$ECHO "X$lib" | $Xsed -e 's%^.*/%%g'` ### testsuite: skip nested quoting test - if test -n "$libdir" && test ! -f "$libfile"; then - func_warning "\`$lib' has not been installed in \`$libdir'" - finalize=no - fi - done - - relink_command= - func_source "$wrapper" - - outputname= - if test "$fast_install" = no && test -n "$relink_command"; then - $opt_dry_run || { - if test "$finalize" = yes; then - tmpdir=`func_mktempdir` - func_basename "$file$stripped_ext" - file="$func_basename_result" - outputname="$tmpdir/$file" - # Replace the output file specification. - relink_command=`$ECHO "X$relink_command" | $Xsed -e 's%@OUTPUT@%'"$outputname"'%g'` - - $opt_silent || { - func_quote_for_expand "$relink_command" - eval "func_echo $func_quote_for_expand_result" - } - if eval "$relink_command"; then : - else - func_error "error: relink \`$file' with the above command before installing it" - $opt_dry_run || ${RM}r "$tmpdir" - continue - fi - file="$outputname" - else - func_warning "cannot relink \`$file'" - fi - } - else - # Install the binary that we compiled earlier. - file=`$ECHO "X$file$stripped_ext" | $Xsed -e "s%\([^/]*\)$%$objdir/\1%"` - fi - fi - - # remove .exe since cygwin /usr/bin/install will append another - # one anyway - case $install_prog,$host in - */usr/bin/install*,*cygwin*) - case $file:$destfile in - *.exe:*.exe) - # this is ok - ;; - *.exe:*) - destfile=$destfile.exe - ;; - *:*.exe) - func_stripname '' '.exe' "$destfile" - destfile=$func_stripname_result - ;; - esac - ;; - esac - func_show_eval "$install_prog\$stripme \$file \$destfile" 'exit $?' - $opt_dry_run || if test -n "$outputname"; then - ${RM}r "$tmpdir" - fi - ;; - esac - done - - for file in $staticlibs; do - func_basename "$file" - name="$func_basename_result" - - # Set up the ranlib parameters. - oldlib="$destdir/$name" - - func_show_eval "$install_prog \$file \$oldlib" 'exit $?' - - if test -n "$stripme" && test -n "$old_striplib"; then - func_show_eval "$old_striplib $oldlib" 'exit $?' - fi - - # Do each command in the postinstall commands. - func_execute_cmds "$old_postinstall_cmds" 'exit $?' - done - - test -n "$future_libdirs" && \ - func_warning "remember to run \`$progname --finish$future_libdirs'" - - if test -n "$current_libdirs"; then - # Maybe just do a dry run. - $opt_dry_run && current_libdirs=" -n$current_libdirs" - exec_cmd='$SHELL $progpath $preserve_args --finish$current_libdirs' - else - exit $EXIT_SUCCESS - fi -} - -test "$mode" = install && func_mode_install ${1+"$@"} - - -# func_generate_dlsyms outputname originator pic_p -# Extract symbols from dlprefiles and create ${outputname}S.o with -# a dlpreopen symbol table. -func_generate_dlsyms () -{ - $opt_debug - my_outputname="$1" - my_originator="$2" - my_pic_p="${3-no}" - my_prefix=`$ECHO "$my_originator" | sed 's%[^a-zA-Z0-9]%_%g'` - my_dlsyms= - - if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then - if test -n "$NM" && test -n "$global_symbol_pipe"; then - my_dlsyms="${my_outputname}S.c" - else - func_error "not configured to extract global symbols from dlpreopened files" - fi - fi - - if test -n "$my_dlsyms"; then - case $my_dlsyms in - "") ;; - *.c) - # Discover the nlist of each of the dlfiles. - nlist="$output_objdir/${my_outputname}.nm" - - func_show_eval "$RM $nlist ${nlist}S ${nlist}T" - - # Parse the name list into a source file. - func_verbose "creating $output_objdir/$my_dlsyms" - - $opt_dry_run || $ECHO > "$output_objdir/$my_dlsyms" "\ -/* $my_dlsyms - symbol resolution table for \`$my_outputname' dlsym emulation. */ -/* Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION */ - -#ifdef __cplusplus -extern \"C\" { -#endif - -/* External symbol declarations for the compiler. */\ -" - - if test "$dlself" = yes; then - func_verbose "generating symbol list for \`$output'" - - $opt_dry_run || echo ': @PROGRAM@ ' > "$nlist" - - # Add our own program objects to the symbol list. - progfiles=`$ECHO "X$objs$old_deplibs" | $SP2NL | $Xsed -e "$lo2o" | $NL2SP` - for progfile in $progfiles; do - func_verbose "extracting global C symbols from \`$progfile'" - $opt_dry_run || eval "$NM $progfile | $global_symbol_pipe >> '$nlist'" - done - - if test -n "$exclude_expsyms"; then - $opt_dry_run || { - eval '$EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T' - eval '$MV "$nlist"T "$nlist"' - } - fi - - if test -n "$export_symbols_regex"; then - $opt_dry_run || { - eval '$EGREP -e "$export_symbols_regex" "$nlist" > "$nlist"T' - eval '$MV "$nlist"T "$nlist"' - } - fi - - # Prepare the list of exported symbols - if test -z "$export_symbols"; then - export_symbols="$output_objdir/$outputname.exp" - $opt_dry_run || { - $RM $export_symbols - eval "${SED} -n -e '/^: @PROGRAM@ $/d' -e 's/^.* \(.*\)$/\1/p' "'< "$nlist" > "$export_symbols"' - case $host in - *cygwin* | *mingw* | *cegcc* ) - eval "echo EXPORTS "'> "$output_objdir/$outputname.def"' - eval 'cat "$export_symbols" >> "$output_objdir/$outputname.def"' - ;; - esac - } - else - $opt_dry_run || { - eval "${SED} -e 's/\([].[*^$]\)/\\\\\1/g' -e 's/^/ /' -e 's/$/$/'"' < "$export_symbols" > "$output_objdir/$outputname.exp"' - eval '$GREP -f "$output_objdir/$outputname.exp" < "$nlist" > "$nlist"T' - eval '$MV "$nlist"T "$nlist"' - case $host in - *cygwin | *mingw* | *cegcc* ) - eval "echo EXPORTS "'> "$output_objdir/$outputname.def"' - eval 'cat "$nlist" >> "$output_objdir/$outputname.def"' - ;; - esac - } - fi - fi - - for dlprefile in $dlprefiles; do - func_verbose "extracting global C symbols from \`$dlprefile'" - func_basename "$dlprefile" - name="$func_basename_result" - $opt_dry_run || { - eval '$ECHO ": $name " >> "$nlist"' - eval "$NM $dlprefile 2>/dev/null | $global_symbol_pipe >> '$nlist'" - } - done - - $opt_dry_run || { - # Make sure we have at least an empty file. - test -f "$nlist" || : > "$nlist" - - if test -n "$exclude_expsyms"; then - $EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T - $MV "$nlist"T "$nlist" - fi - - # Try sorting and uniquifying the output. - if $GREP -v "^: " < "$nlist" | - if sort -k 3 /dev/null 2>&1; then - sort -k 3 - else - sort +2 - fi | - uniq > "$nlist"S; then - : - else - $GREP -v "^: " < "$nlist" > "$nlist"S - fi - - if test -f "$nlist"S; then - eval "$global_symbol_to_cdecl"' < "$nlist"S >> "$output_objdir/$my_dlsyms"' - else - $ECHO '/* NONE */' >> "$output_objdir/$my_dlsyms" - fi - - $ECHO >> "$output_objdir/$my_dlsyms" "\ - -/* The mapping between symbol names and symbols. */ -typedef struct { - const char *name; - void *address; -} lt_dlsymlist; -" - case $host in - *cygwin* | *mingw* | *cegcc* ) - $ECHO >> "$output_objdir/$my_dlsyms" "\ -/* DATA imports from DLLs on WIN32 con't be const, because - runtime relocations are performed -- see ld's documentation - on pseudo-relocs. */" - lt_dlsym_const= ;; - *osf5*) - echo >> "$output_objdir/$my_dlsyms" "\ -/* This system does not cope well with relocations in const data */" - lt_dlsym_const= ;; - *) - lt_dlsym_const=const ;; - esac - - $ECHO >> "$output_objdir/$my_dlsyms" "\ -extern $lt_dlsym_const lt_dlsymlist -lt_${my_prefix}_LTX_preloaded_symbols[]; -$lt_dlsym_const lt_dlsymlist -lt_${my_prefix}_LTX_preloaded_symbols[] = -{\ - { \"$my_originator\", (void *) 0 }," - - case $need_lib_prefix in - no) - eval "$global_symbol_to_c_name_address" < "$nlist" >> "$output_objdir/$my_dlsyms" - ;; - *) - eval "$global_symbol_to_c_name_address_lib_prefix" < "$nlist" >> "$output_objdir/$my_dlsyms" - ;; - esac - $ECHO >> "$output_objdir/$my_dlsyms" "\ - {0, (void *) 0} -}; - -/* This works around a problem in FreeBSD linker */ -#ifdef FREEBSD_WORKAROUND -static const void *lt_preloaded_setup() { - return lt_${my_prefix}_LTX_preloaded_symbols; -} -#endif - -#ifdef __cplusplus -} -#endif\ -" - } # !$opt_dry_run - - pic_flag_for_symtable= - case "$compile_command " in - *" -static "*) ;; - *) - case $host in - # compiling the symbol table file with pic_flag works around - # a FreeBSD bug that causes programs to crash when -lm is - # linked before any other PIC object. But we must not use - # pic_flag when linking with -static. The problem exists in - # FreeBSD 2.2.6 and is fixed in FreeBSD 3.1. - *-*-freebsd2*|*-*-freebsd3.0*|*-*-freebsdelf3.0*) - pic_flag_for_symtable=" $pic_flag -DFREEBSD_WORKAROUND" ;; - *-*-hpux*) - pic_flag_for_symtable=" $pic_flag" ;; - *) - if test "X$my_pic_p" != Xno; then - pic_flag_for_symtable=" $pic_flag" - fi - ;; - esac - ;; - esac - symtab_cflags= - for arg in $LTCFLAGS; do - case $arg in - -pie | -fpie | -fPIE) ;; - *) symtab_cflags="$symtab_cflags $arg" ;; - esac - done - - # Now compile the dynamic symbol file. - func_show_eval '(cd $output_objdir && $LTCC$symtab_cflags -c$no_builtin_flag$pic_flag_for_symtable "$my_dlsyms")' 'exit $?' - - # Clean up the generated files. - func_show_eval '$RM "$output_objdir/$my_dlsyms" "$nlist" "${nlist}S" "${nlist}T"' - - # Transform the symbol file into the correct name. - symfileobj="$output_objdir/${my_outputname}S.$objext" - case $host in - *cygwin* | *mingw* | *cegcc* ) - if test -f "$output_objdir/$my_outputname.def"; then - compile_command=`$ECHO "X$compile_command" | $Xsed -e "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"` - finalize_command=`$ECHO "X$finalize_command" | $Xsed -e "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"` - else - compile_command=`$ECHO "X$compile_command" | $Xsed -e "s%@SYMFILE@%$symfileobj%"` - finalize_command=`$ECHO "X$finalize_command" | $Xsed -e "s%@SYMFILE@%$symfileobj%"` - fi - ;; - *) - compile_command=`$ECHO "X$compile_command" | $Xsed -e "s%@SYMFILE@%$symfileobj%"` - finalize_command=`$ECHO "X$finalize_command" | $Xsed -e "s%@SYMFILE@%$symfileobj%"` - ;; - esac - ;; - *) - func_fatal_error "unknown suffix for \`$my_dlsyms'" - ;; - esac - else - # We keep going just in case the user didn't refer to - # lt_preloaded_symbols. The linker will fail if global_symbol_pipe - # really was required. - - # Nullify the symbol file. - compile_command=`$ECHO "X$compile_command" | $Xsed -e "s% @SYMFILE@%%"` - finalize_command=`$ECHO "X$finalize_command" | $Xsed -e "s% @SYMFILE@%%"` - fi -} - -# func_win32_libid arg -# return the library type of file 'arg' -# -# Need a lot of goo to handle *both* DLLs and import libs -# Has to be a shell function in order to 'eat' the argument -# that is supplied when $file_magic_command is called. -func_win32_libid () -{ - $opt_debug - win32_libid_type="unknown" - win32_fileres=`file -L $1 2>/dev/null` - case $win32_fileres in - *ar\ archive\ import\ library*) # definitely import - win32_libid_type="x86 archive import" - ;; - *ar\ archive*) # could be an import, or static - if eval $OBJDUMP -f $1 | $SED -e '10q' 2>/dev/null | - $EGREP 'file format pe-i386(.*architecture: i386)?' >/dev/null ; then - win32_nmres=`eval $NM -f posix -A $1 | - $SED -n -e ' - 1,100{ - / I /{ - s,.*,import, - p - q - } - }'` - case $win32_nmres in - import*) win32_libid_type="x86 archive import";; - *) win32_libid_type="x86 archive static";; - esac - fi - ;; - *DLL*) - win32_libid_type="x86 DLL" - ;; - *executable*) # but shell scripts are "executable" too... - case $win32_fileres in - *MS\ Windows\ PE\ Intel*) - win32_libid_type="x86 DLL" - ;; - esac - ;; - esac - $ECHO "$win32_libid_type" -} - - - -# func_extract_an_archive dir oldlib -func_extract_an_archive () -{ - $opt_debug - f_ex_an_ar_dir="$1"; shift - f_ex_an_ar_oldlib="$1" - func_show_eval "(cd \$f_ex_an_ar_dir && $AR x \"\$f_ex_an_ar_oldlib\")" 'exit $?' - if ($AR t "$f_ex_an_ar_oldlib" | sort | sort -uc >/dev/null 2>&1); then - : - else - func_fatal_error "object name conflicts in archive: $f_ex_an_ar_dir/$f_ex_an_ar_oldlib" - fi -} - - -# func_extract_archives gentop oldlib ... -func_extract_archives () -{ - $opt_debug - my_gentop="$1"; shift - my_oldlibs=${1+"$@"} - my_oldobjs="" - my_xlib="" - my_xabs="" - my_xdir="" - - for my_xlib in $my_oldlibs; do - # Extract the objects. - case $my_xlib in - [\\/]* | [A-Za-z]:[\\/]*) my_xabs="$my_xlib" ;; - *) my_xabs=`pwd`"/$my_xlib" ;; - esac - func_basename "$my_xlib" - my_xlib="$func_basename_result" - my_xlib_u=$my_xlib - while :; do - case " $extracted_archives " in - *" $my_xlib_u "*) - func_arith $extracted_serial + 1 - extracted_serial=$func_arith_result - my_xlib_u=lt$extracted_serial-$my_xlib ;; - *) break ;; - esac - done - extracted_archives="$extracted_archives $my_xlib_u" - my_xdir="$my_gentop/$my_xlib_u" - - func_mkdir_p "$my_xdir" - - case $host in - *-darwin*) - func_verbose "Extracting $my_xabs" - # Do not bother doing anything if just a dry run - $opt_dry_run || { - darwin_orig_dir=`pwd` - cd $my_xdir || exit $? - darwin_archive=$my_xabs - darwin_curdir=`pwd` - darwin_base_archive=`basename "$darwin_archive"` - darwin_arches=`$LIPO -info "$darwin_archive" 2>/dev/null | $GREP Architectures 2>/dev/null || true` - if test -n "$darwin_arches"; then - darwin_arches=`$ECHO "$darwin_arches" | $SED -e 's/.*are://'` - darwin_arch= - func_verbose "$darwin_base_archive has multiple architectures $darwin_arches" - for darwin_arch in $darwin_arches ; do - func_mkdir_p "unfat-$$/${darwin_base_archive}-${darwin_arch}" - $LIPO -thin $darwin_arch -output "unfat-$$/${darwin_base_archive}-${darwin_arch}/${darwin_base_archive}" "${darwin_archive}" - cd "unfat-$$/${darwin_base_archive}-${darwin_arch}" - func_extract_an_archive "`pwd`" "${darwin_base_archive}" - cd "$darwin_curdir" - $RM "unfat-$$/${darwin_base_archive}-${darwin_arch}/${darwin_base_archive}" - done # $darwin_arches - ## Okay now we've a bunch of thin objects, gotta fatten them up :) - darwin_filelist=`find unfat-$$ -type f -name \*.o -print -o -name \*.lo -print | $SED -e "$basename" | sort -u` - darwin_file= - darwin_files= - for darwin_file in $darwin_filelist; do - darwin_files=`find unfat-$$ -name $darwin_file -print | $NL2SP` - $LIPO -create -output "$darwin_file" $darwin_files - done # $darwin_filelist - $RM -rf unfat-$$ - cd "$darwin_orig_dir" - else - cd $darwin_orig_dir - func_extract_an_archive "$my_xdir" "$my_xabs" - fi # $darwin_arches - } # !$opt_dry_run - ;; - *) - func_extract_an_archive "$my_xdir" "$my_xabs" - ;; - esac - my_oldobjs="$my_oldobjs "`find $my_xdir -name \*.$objext -print -o -name \*.lo -print | $NL2SP` - done - - func_extract_archives_result="$my_oldobjs" -} - - - -# func_emit_wrapper_part1 [arg=no] -# -# Emit the first part of a libtool wrapper script on stdout. -# For more information, see the description associated with -# func_emit_wrapper(), below. -func_emit_wrapper_part1 () -{ - func_emit_wrapper_part1_arg1=no - if test -n "$1" ; then - func_emit_wrapper_part1_arg1=$1 - fi - - $ECHO "\ -#! $SHELL - -# $output - temporary wrapper script for $objdir/$outputname -# Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION -# -# The $output program cannot be directly executed until all the libtool -# libraries that it depends on are installed. -# -# This wrapper script should never be moved out of the build directory. -# If it is, it will not operate correctly. - -# Sed substitution that helps us do robust quoting. It backslashifies -# metacharacters that are still active within double-quoted strings. -Xsed='${SED} -e 1s/^X//' -sed_quote_subst='$sed_quote_subst' - -# Be Bourne compatible -if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then - emulate sh - NULLCMD=: - # Zsh 3.x and 4.x performs word splitting on \${1+\"\$@\"}, which - # is contrary to our usage. Disable this feature. - alias -g '\${1+\"\$@\"}'='\"\$@\"' - setopt NO_GLOB_SUBST -else - case \`(set -o) 2>/dev/null\` in *posix*) set -o posix;; esac -fi -BIN_SH=xpg4; export BIN_SH # for Tru64 -DUALCASE=1; export DUALCASE # for MKS sh - -# The HP-UX ksh and POSIX shell print the target directory to stdout -# if CDPATH is set. -(unset CDPATH) >/dev/null 2>&1 && unset CDPATH - -relink_command=\"$relink_command\" - -# This environment variable determines our operation mode. -if test \"\$libtool_install_magic\" = \"$magic\"; then - # install mode needs the following variables: - generated_by_libtool_version='$macro_version' - notinst_deplibs='$notinst_deplibs' -else - # When we are sourced in execute mode, \$file and \$ECHO are already set. - if test \"\$libtool_execute_magic\" != \"$magic\"; then - ECHO=\"$qecho\" - file=\"\$0\" - # Make sure echo works. - if test \"X\$1\" = X--no-reexec; then - # Discard the --no-reexec flag, and continue. - shift - elif test \"X\`{ \$ECHO '\t'; } 2>/dev/null\`\" = 'X\t'; then - # Yippee, \$ECHO works! - : - else - # Restart under the correct shell, and then maybe \$ECHO will work. - exec $SHELL \"\$0\" --no-reexec \${1+\"\$@\"} - fi - fi\ -" - $ECHO "\ - - # Find the directory that this script lives in. - thisdir=\`\$ECHO \"X\$file\" | \$Xsed -e 's%/[^/]*$%%'\` - test \"x\$thisdir\" = \"x\$file\" && thisdir=. - - # Follow symbolic links until we get to the real thisdir. - file=\`ls -ld \"\$file\" | ${SED} -n 's/.*-> //p'\` - while test -n \"\$file\"; do - destdir=\`\$ECHO \"X\$file\" | \$Xsed -e 's%/[^/]*\$%%'\` - - # If there was a directory component, then change thisdir. - if test \"x\$destdir\" != \"x\$file\"; then - case \"\$destdir\" in - [\\\\/]* | [A-Za-z]:[\\\\/]*) thisdir=\"\$destdir\" ;; - *) thisdir=\"\$thisdir/\$destdir\" ;; - esac - fi - - file=\`\$ECHO \"X\$file\" | \$Xsed -e 's%^.*/%%'\` - file=\`ls -ld \"\$thisdir/\$file\" | ${SED} -n 's/.*-> //p'\` - done -" -} -# end: func_emit_wrapper_part1 - -# func_emit_wrapper_part2 [arg=no] -# -# Emit the second part of a libtool wrapper script on stdout. -# For more information, see the description associated with -# func_emit_wrapper(), below. -func_emit_wrapper_part2 () -{ - func_emit_wrapper_part2_arg1=no - if test -n "$1" ; then - func_emit_wrapper_part2_arg1=$1 - fi - - $ECHO "\ - - # Usually 'no', except on cygwin/mingw when embedded into - # the cwrapper. - WRAPPER_SCRIPT_BELONGS_IN_OBJDIR=$func_emit_wrapper_part2_arg1 - if test \"\$WRAPPER_SCRIPT_BELONGS_IN_OBJDIR\" = \"yes\"; then - # special case for '.' - if test \"\$thisdir\" = \".\"; then - thisdir=\`pwd\` - fi - # remove .libs from thisdir - case \"\$thisdir\" in - *[\\\\/]$objdir ) thisdir=\`\$ECHO \"X\$thisdir\" | \$Xsed -e 's%[\\\\/][^\\\\/]*$%%'\` ;; - $objdir ) thisdir=. ;; - esac - fi - - # Try to get the absolute directory name. - absdir=\`cd \"\$thisdir\" && pwd\` - test -n \"\$absdir\" && thisdir=\"\$absdir\" -" - - if test "$fast_install" = yes; then - $ECHO "\ - program=lt-'$outputname'$exeext - progdir=\"\$thisdir/$objdir\" - - if test ! -f \"\$progdir/\$program\" || - { file=\`ls -1dt \"\$progdir/\$program\" \"\$progdir/../\$program\" 2>/dev/null | ${SED} 1q\`; \\ - test \"X\$file\" != \"X\$progdir/\$program\"; }; then - - file=\"\$\$-\$program\" - - if test ! -d \"\$progdir\"; then - $MKDIR \"\$progdir\" - else - $RM \"\$progdir/\$file\" - fi" - - $ECHO "\ - - # relink executable if necessary - if test -n \"\$relink_command\"; then - if relink_command_output=\`eval \$relink_command 2>&1\`; then : - else - $ECHO \"\$relink_command_output\" >&2 - $RM \"\$progdir/\$file\" - exit 1 - fi - fi - - $MV \"\$progdir/\$file\" \"\$progdir/\$program\" 2>/dev/null || - { $RM \"\$progdir/\$program\"; - $MV \"\$progdir/\$file\" \"\$progdir/\$program\"; } - $RM \"\$progdir/\$file\" - fi" - else - $ECHO "\ - program='$outputname' - progdir=\"\$thisdir/$objdir\" -" - fi - - $ECHO "\ - - if test -f \"\$progdir/\$program\"; then" - - # Export our shlibpath_var if we have one. - if test "$shlibpath_overrides_runpath" = yes && test -n "$shlibpath_var" && test -n "$temp_rpath"; then - $ECHO "\ - # Add our own library path to $shlibpath_var - $shlibpath_var=\"$temp_rpath\$$shlibpath_var\" - - # Some systems cannot cope with colon-terminated $shlibpath_var - # The second colon is a workaround for a bug in BeOS R4 sed - $shlibpath_var=\`\$ECHO \"X\$$shlibpath_var\" | \$Xsed -e 's/::*\$//'\` - - export $shlibpath_var -" - fi - - # fixup the dll searchpath if we need to. - if test -n "$dllsearchpath"; then - $ECHO "\ - # Add the dll search path components to the executable PATH - PATH=$dllsearchpath:\$PATH -" - fi - - $ECHO "\ - if test \"\$libtool_execute_magic\" != \"$magic\"; then - # Run the actual program with our arguments. -" - case $host in - # Backslashes separate directories on plain windows - *-*-mingw | *-*-os2* | *-cegcc*) - $ECHO "\ - exec \"\$progdir\\\\\$program\" \${1+\"\$@\"} -" - ;; - - *) - $ECHO "\ - exec \"\$progdir/\$program\" \${1+\"\$@\"} -" - ;; - esac - $ECHO "\ - \$ECHO \"\$0: cannot exec \$program \$*\" 1>&2 - exit 1 - fi - else - # The program doesn't exist. - \$ECHO \"\$0: error: \\\`\$progdir/\$program' does not exist\" 1>&2 - \$ECHO \"This script is just a wrapper for \$program.\" 1>&2 - $ECHO \"See the $PACKAGE documentation for more information.\" 1>&2 - exit 1 - fi -fi\ -" -} -# end: func_emit_wrapper_part2 - - -# func_emit_wrapper [arg=no] -# -# Emit a libtool wrapper script on stdout. -# Don't directly open a file because we may want to -# incorporate the script contents within a cygwin/mingw -# wrapper executable. Must ONLY be called from within -# func_mode_link because it depends on a number of variables -# set therein. -# -# ARG is the value that the WRAPPER_SCRIPT_BELONGS_IN_OBJDIR -# variable will take. If 'yes', then the emitted script -# will assume that the directory in which it is stored is -# the $objdir directory. This is a cygwin/mingw-specific -# behavior. -func_emit_wrapper () -{ - func_emit_wrapper_arg1=no - if test -n "$1" ; then - func_emit_wrapper_arg1=$1 - fi - - # split this up so that func_emit_cwrapperexe_src - # can call each part independently. - func_emit_wrapper_part1 "${func_emit_wrapper_arg1}" - func_emit_wrapper_part2 "${func_emit_wrapper_arg1}" -} - - -# func_to_host_path arg -# -# Convert paths to host format when used with build tools. -# Intended for use with "native" mingw (where libtool itself -# is running under the msys shell), or in the following cross- -# build environments: -# $build $host -# mingw (msys) mingw [e.g. native] -# cygwin mingw -# *nix + wine mingw -# where wine is equipped with the `winepath' executable. -# In the native mingw case, the (msys) shell automatically -# converts paths for any non-msys applications it launches, -# but that facility isn't available from inside the cwrapper. -# Similar accommodations are necessary for $host mingw and -# $build cygwin. Calling this function does no harm for other -# $host/$build combinations not listed above. -# -# ARG is the path (on $build) that should be converted to -# the proper representation for $host. The result is stored -# in $func_to_host_path_result. -func_to_host_path () -{ - func_to_host_path_result="$1" - if test -n "$1" ; then - case $host in - *mingw* ) - lt_sed_naive_backslashify='s|\\\\*|\\|g;s|/|\\|g;s|\\|\\\\|g' - case $build in - *mingw* ) # actually, msys - # awkward: cmd appends spaces to result - lt_sed_strip_trailing_spaces="s/[ ]*\$//" - func_to_host_path_tmp1=`( cmd //c echo "$1" |\ - $SED -e "$lt_sed_strip_trailing_spaces" ) 2>/dev/null || echo ""` - func_to_host_path_result=`echo "$func_to_host_path_tmp1" |\ - $SED -e "$lt_sed_naive_backslashify"` - ;; - *cygwin* ) - func_to_host_path_tmp1=`cygpath -w "$1"` - func_to_host_path_result=`echo "$func_to_host_path_tmp1" |\ - $SED -e "$lt_sed_naive_backslashify"` - ;; - * ) - # Unfortunately, winepath does not exit with a non-zero - # error code, so we are forced to check the contents of - # stdout. On the other hand, if the command is not - # found, the shell will set an exit code of 127 and print - # *an error message* to stdout. So we must check for both - # error code of zero AND non-empty stdout, which explains - # the odd construction: - func_to_host_path_tmp1=`winepath -w "$1" 2>/dev/null` - if test "$?" -eq 0 && test -n "${func_to_host_path_tmp1}"; then - func_to_host_path_result=`echo "$func_to_host_path_tmp1" |\ - $SED -e "$lt_sed_naive_backslashify"` - else - # Allow warning below. - func_to_host_path_result="" - fi - ;; - esac - if test -z "$func_to_host_path_result" ; then - func_error "Could not determine host path corresponding to" - func_error " '$1'" - func_error "Continuing, but uninstalled executables may not work." - # Fallback: - func_to_host_path_result="$1" - fi - ;; - esac - fi -} -# end: func_to_host_path - -# func_to_host_pathlist arg -# -# Convert pathlists to host format when used with build tools. -# See func_to_host_path(), above. This function supports the -# following $build/$host combinations (but does no harm for -# combinations not listed here): -# $build $host -# mingw (msys) mingw [e.g. native] -# cygwin mingw -# *nix + wine mingw -# -# Path separators are also converted from $build format to -# $host format. If ARG begins or ends with a path separator -# character, it is preserved (but converted to $host format) -# on output. -# -# ARG is a pathlist (on $build) that should be converted to -# the proper representation on $host. The result is stored -# in $func_to_host_pathlist_result. -func_to_host_pathlist () -{ - func_to_host_pathlist_result="$1" - if test -n "$1" ; then - case $host in - *mingw* ) - lt_sed_naive_backslashify='s|\\\\*|\\|g;s|/|\\|g;s|\\|\\\\|g' - # Remove leading and trailing path separator characters from - # ARG. msys behavior is inconsistent here, cygpath turns them - # into '.;' and ';.', and winepath ignores them completely. - func_to_host_pathlist_tmp2="$1" - # Once set for this call, this variable should not be - # reassigned. It is used in tha fallback case. - func_to_host_pathlist_tmp1=`echo "$func_to_host_pathlist_tmp2" |\ - $SED -e 's|^:*||' -e 's|:*$||'` - case $build in - *mingw* ) # Actually, msys. - # Awkward: cmd appends spaces to result. - lt_sed_strip_trailing_spaces="s/[ ]*\$//" - func_to_host_pathlist_tmp2=`( cmd //c echo "$func_to_host_pathlist_tmp1" |\ - $SED -e "$lt_sed_strip_trailing_spaces" ) 2>/dev/null || echo ""` - func_to_host_pathlist_result=`echo "$func_to_host_pathlist_tmp2" |\ - $SED -e "$lt_sed_naive_backslashify"` - ;; - *cygwin* ) - func_to_host_pathlist_tmp2=`cygpath -w -p "$func_to_host_pathlist_tmp1"` - func_to_host_pathlist_result=`echo "$func_to_host_pathlist_tmp2" |\ - $SED -e "$lt_sed_naive_backslashify"` - ;; - * ) - # unfortunately, winepath doesn't convert pathlists - func_to_host_pathlist_result="" - func_to_host_pathlist_oldIFS=$IFS - IFS=: - for func_to_host_pathlist_f in $func_to_host_pathlist_tmp1 ; do - IFS=$func_to_host_pathlist_oldIFS - if test -n "$func_to_host_pathlist_f" ; then - func_to_host_path "$func_to_host_pathlist_f" - if test -n "$func_to_host_path_result" ; then - if test -z "$func_to_host_pathlist_result" ; then - func_to_host_pathlist_result="$func_to_host_path_result" - else - func_to_host_pathlist_result="$func_to_host_pathlist_result;$func_to_host_path_result" - fi - fi - fi - IFS=: - done - IFS=$func_to_host_pathlist_oldIFS - ;; - esac - if test -z "$func_to_host_pathlist_result" ; then - func_error "Could not determine the host path(s) corresponding to" - func_error " '$1'" - func_error "Continuing, but uninstalled executables may not work." - # Fallback. This may break if $1 contains DOS-style drive - # specifications. The fix is not to complicate the expression - # below, but for the user to provide a working wine installation - # with winepath so that path translation in the cross-to-mingw - # case works properly. - lt_replace_pathsep_nix_to_dos="s|:|;|g" - func_to_host_pathlist_result=`echo "$func_to_host_pathlist_tmp1" |\ - $SED -e "$lt_replace_pathsep_nix_to_dos"` - fi - # Now, add the leading and trailing path separators back - case "$1" in - :* ) func_to_host_pathlist_result=";$func_to_host_pathlist_result" - ;; - esac - case "$1" in - *: ) func_to_host_pathlist_result="$func_to_host_pathlist_result;" - ;; - esac - ;; - esac - fi -} -# end: func_to_host_pathlist - -# func_emit_cwrapperexe_src -# emit the source code for a wrapper executable on stdout -# Must ONLY be called from within func_mode_link because -# it depends on a number of variable set therein. -func_emit_cwrapperexe_src () -{ - cat < -#include -#ifdef _MSC_VER -# include -# include -# include -# define setmode _setmode -#else -# include -# include -# ifdef __CYGWIN__ -# include -# define HAVE_SETENV -# ifdef __STRICT_ANSI__ -char *realpath (const char *, char *); -int putenv (char *); -int setenv (const char *, const char *, int); -# endif -# endif -#endif -#include -#include -#include -#include -#include -#include -#include -#include - -#if defined(PATH_MAX) -# define LT_PATHMAX PATH_MAX -#elif defined(MAXPATHLEN) -# define LT_PATHMAX MAXPATHLEN -#else -# define LT_PATHMAX 1024 -#endif - -#ifndef S_IXOTH -# define S_IXOTH 0 -#endif -#ifndef S_IXGRP -# define S_IXGRP 0 -#endif - -#ifdef _MSC_VER -# define S_IXUSR _S_IEXEC -# define stat _stat -# ifndef _INTPTR_T_DEFINED -# define intptr_t int -# endif -#endif - -#ifndef DIR_SEPARATOR -# define DIR_SEPARATOR '/' -# define PATH_SEPARATOR ':' -#endif - -#if defined (_WIN32) || defined (__MSDOS__) || defined (__DJGPP__) || \ - defined (__OS2__) -# define HAVE_DOS_BASED_FILE_SYSTEM -# define FOPEN_WB "wb" -# ifndef DIR_SEPARATOR_2 -# define DIR_SEPARATOR_2 '\\' -# endif -# ifndef PATH_SEPARATOR_2 -# define PATH_SEPARATOR_2 ';' -# endif -#endif - -#ifndef DIR_SEPARATOR_2 -# define IS_DIR_SEPARATOR(ch) ((ch) == DIR_SEPARATOR) -#else /* DIR_SEPARATOR_2 */ -# define IS_DIR_SEPARATOR(ch) \ - (((ch) == DIR_SEPARATOR) || ((ch) == DIR_SEPARATOR_2)) -#endif /* DIR_SEPARATOR_2 */ - -#ifndef PATH_SEPARATOR_2 -# define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR) -#else /* PATH_SEPARATOR_2 */ -# define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR_2) -#endif /* PATH_SEPARATOR_2 */ - -#ifdef __CYGWIN__ -# define FOPEN_WB "wb" -#endif - -#ifndef FOPEN_WB -# define FOPEN_WB "w" -#endif -#ifndef _O_BINARY -# define _O_BINARY 0 -#endif - -#define XMALLOC(type, num) ((type *) xmalloc ((num) * sizeof(type))) -#define XFREE(stale) do { \ - if (stale) { free ((void *) stale); stale = 0; } \ -} while (0) - -#undef LTWRAPPER_DEBUGPRINTF -#if defined DEBUGWRAPPER -# define LTWRAPPER_DEBUGPRINTF(args) ltwrapper_debugprintf args -static void -ltwrapper_debugprintf (const char *fmt, ...) -{ - va_list args; - va_start (args, fmt); - (void) vfprintf (stderr, fmt, args); - va_end (args); -} -#else -# define LTWRAPPER_DEBUGPRINTF(args) -#endif - -const char *program_name = NULL; - -void *xmalloc (size_t num); -char *xstrdup (const char *string); -const char *base_name (const char *name); -char *find_executable (const char *wrapper); -char *chase_symlinks (const char *pathspec); -int make_executable (const char *path); -int check_executable (const char *path); -char *strendzap (char *str, const char *pat); -void lt_fatal (const char *message, ...); -void lt_setenv (const char *name, const char *value); -char *lt_extend_str (const char *orig_value, const char *add, int to_end); -void lt_opt_process_env_set (const char *arg); -void lt_opt_process_env_prepend (const char *arg); -void lt_opt_process_env_append (const char *arg); -int lt_split_name_value (const char *arg, char** name, char** value); -void lt_update_exe_path (const char *name, const char *value); -void lt_update_lib_path (const char *name, const char *value); - -static const char *script_text_part1 = -EOF - - func_emit_wrapper_part1 yes | - $SED -e 's/\([\\"]\)/\\\1/g' \ - -e 's/^/ "/' -e 's/$/\\n"/' - echo ";" - cat <"))); - for (i = 0; i < newargc; i++) - { - LTWRAPPER_DEBUGPRINTF (("(main) newargz[%d] : %s\n", i, (newargz[i] ? newargz[i] : ""))); - } - -EOF - - case $host_os in - mingw*) - cat <<"EOF" - /* execv doesn't actually work on mingw as expected on unix */ - rval = _spawnv (_P_WAIT, lt_argv_zero, (const char * const *) newargz); - if (rval == -1) - { - /* failed to start process */ - LTWRAPPER_DEBUGPRINTF (("(main) failed to launch target \"%s\": errno = %d\n", lt_argv_zero, errno)); - return 127; - } - return rval; -EOF - ;; - *) - cat <<"EOF" - execv (lt_argv_zero, newargz); - return rval; /* =127, but avoids unused variable warning */ -EOF - ;; - esac - - cat <<"EOF" -} - -void * -xmalloc (size_t num) -{ - void *p = (void *) malloc (num); - if (!p) - lt_fatal ("Memory exhausted"); - - return p; -} - -char * -xstrdup (const char *string) -{ - return string ? strcpy ((char *) xmalloc (strlen (string) + 1), - string) : NULL; -} - -const char * -base_name (const char *name) -{ - const char *base; - -#if defined (HAVE_DOS_BASED_FILE_SYSTEM) - /* Skip over the disk name in MSDOS pathnames. */ - if (isalpha ((unsigned char) name[0]) && name[1] == ':') - name += 2; -#endif - - for (base = name; *name; name++) - if (IS_DIR_SEPARATOR (*name)) - base = name + 1; - return base; -} - -int -check_executable (const char *path) -{ - struct stat st; - - LTWRAPPER_DEBUGPRINTF (("(check_executable) : %s\n", - path ? (*path ? path : "EMPTY!") : "NULL!")); - if ((!path) || (!*path)) - return 0; - - if ((stat (path, &st) >= 0) - && (st.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH))) - return 1; - else - return 0; -} - -int -make_executable (const char *path) -{ - int rval = 0; - struct stat st; - - LTWRAPPER_DEBUGPRINTF (("(make_executable) : %s\n", - path ? (*path ? path : "EMPTY!") : "NULL!")); - if ((!path) || (!*path)) - return 0; - - if (stat (path, &st) >= 0) - { - rval = chmod (path, st.st_mode | S_IXOTH | S_IXGRP | S_IXUSR); - } - return rval; -} - -/* Searches for the full path of the wrapper. Returns - newly allocated full path name if found, NULL otherwise - Does not chase symlinks, even on platforms that support them. -*/ -char * -find_executable (const char *wrapper) -{ - int has_slash = 0; - const char *p; - const char *p_next; - /* static buffer for getcwd */ - char tmp[LT_PATHMAX + 1]; - int tmp_len; - char *concat_name; - - LTWRAPPER_DEBUGPRINTF (("(find_executable) : %s\n", - wrapper ? (*wrapper ? wrapper : "EMPTY!") : "NULL!")); - - if ((wrapper == NULL) || (*wrapper == '\0')) - return NULL; - - /* Absolute path? */ -#if defined (HAVE_DOS_BASED_FILE_SYSTEM) - if (isalpha ((unsigned char) wrapper[0]) && wrapper[1] == ':') - { - concat_name = xstrdup (wrapper); - if (check_executable (concat_name)) - return concat_name; - XFREE (concat_name); - } - else - { -#endif - if (IS_DIR_SEPARATOR (wrapper[0])) - { - concat_name = xstrdup (wrapper); - if (check_executable (concat_name)) - return concat_name; - XFREE (concat_name); - } -#if defined (HAVE_DOS_BASED_FILE_SYSTEM) - } -#endif - - for (p = wrapper; *p; p++) - if (*p == '/') - { - has_slash = 1; - break; - } - if (!has_slash) - { - /* no slashes; search PATH */ - const char *path = getenv ("PATH"); - if (path != NULL) - { - for (p = path; *p; p = p_next) - { - const char *q; - size_t p_len; - for (q = p; *q; q++) - if (IS_PATH_SEPARATOR (*q)) - break; - p_len = q - p; - p_next = (*q == '\0' ? q : q + 1); - if (p_len == 0) - { - /* empty path: current directory */ - if (getcwd (tmp, LT_PATHMAX) == NULL) - lt_fatal ("getcwd failed"); - tmp_len = strlen (tmp); - concat_name = - XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1); - memcpy (concat_name, tmp, tmp_len); - concat_name[tmp_len] = '/'; - strcpy (concat_name + tmp_len + 1, wrapper); - } - else - { - concat_name = - XMALLOC (char, p_len + 1 + strlen (wrapper) + 1); - memcpy (concat_name, p, p_len); - concat_name[p_len] = '/'; - strcpy (concat_name + p_len + 1, wrapper); - } - if (check_executable (concat_name)) - return concat_name; - XFREE (concat_name); - } - } - /* not found in PATH; assume curdir */ - } - /* Relative path | not found in path: prepend cwd */ - if (getcwd (tmp, LT_PATHMAX) == NULL) - lt_fatal ("getcwd failed"); - tmp_len = strlen (tmp); - concat_name = XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1); - memcpy (concat_name, tmp, tmp_len); - concat_name[tmp_len] = '/'; - strcpy (concat_name + tmp_len + 1, wrapper); - - if (check_executable (concat_name)) - return concat_name; - XFREE (concat_name); - return NULL; -} - -char * -chase_symlinks (const char *pathspec) -{ -#ifndef S_ISLNK - return xstrdup (pathspec); -#else - char buf[LT_PATHMAX]; - struct stat s; - char *tmp_pathspec = xstrdup (pathspec); - char *p; - int has_symlinks = 0; - while (strlen (tmp_pathspec) && !has_symlinks) - { - LTWRAPPER_DEBUGPRINTF (("checking path component for symlinks: %s\n", - tmp_pathspec)); - if (lstat (tmp_pathspec, &s) == 0) - { - if (S_ISLNK (s.st_mode) != 0) - { - has_symlinks = 1; - break; - } - - /* search backwards for last DIR_SEPARATOR */ - p = tmp_pathspec + strlen (tmp_pathspec) - 1; - while ((p > tmp_pathspec) && (!IS_DIR_SEPARATOR (*p))) - p--; - if ((p == tmp_pathspec) && (!IS_DIR_SEPARATOR (*p))) - { - /* no more DIR_SEPARATORS left */ - break; - } - *p = '\0'; - } - else - { - char *errstr = strerror (errno); - lt_fatal ("Error accessing file %s (%s)", tmp_pathspec, errstr); - } - } - XFREE (tmp_pathspec); - - if (!has_symlinks) - { - return xstrdup (pathspec); - } - - tmp_pathspec = realpath (pathspec, buf); - if (tmp_pathspec == 0) - { - lt_fatal ("Could not follow symlinks for %s", pathspec); - } - return xstrdup (tmp_pathspec); -#endif -} - -char * -strendzap (char *str, const char *pat) -{ - size_t len, patlen; - - assert (str != NULL); - assert (pat != NULL); - - len = strlen (str); - patlen = strlen (pat); - - if (patlen <= len) - { - str += len - patlen; - if (strcmp (str, pat) == 0) - *str = '\0'; - } - return str; -} - -static void -lt_error_core (int exit_status, const char *mode, - const char *message, va_list ap) -{ - fprintf (stderr, "%s: %s: ", program_name, mode); - vfprintf (stderr, message, ap); - fprintf (stderr, ".\n"); - - if (exit_status >= 0) - exit (exit_status); -} - -void -lt_fatal (const char *message, ...) -{ - va_list ap; - va_start (ap, message); - lt_error_core (EXIT_FAILURE, "FATAL", message, ap); - va_end (ap); -} - -void -lt_setenv (const char *name, const char *value) -{ - LTWRAPPER_DEBUGPRINTF (("(lt_setenv) setting '%s' to '%s'\n", - (name ? name : ""), - (value ? value : ""))); - { -#ifdef HAVE_SETENV - /* always make a copy, for consistency with !HAVE_SETENV */ - char *str = xstrdup (value); - setenv (name, str, 1); -#else - int len = strlen (name) + 1 + strlen (value) + 1; - char *str = XMALLOC (char, len); - sprintf (str, "%s=%s", name, value); - if (putenv (str) != EXIT_SUCCESS) - { - XFREE (str); - } -#endif - } -} - -char * -lt_extend_str (const char *orig_value, const char *add, int to_end) -{ - char *new_value; - if (orig_value && *orig_value) - { - int orig_value_len = strlen (orig_value); - int add_len = strlen (add); - new_value = XMALLOC (char, add_len + orig_value_len + 1); - if (to_end) - { - strcpy (new_value, orig_value); - strcpy (new_value + orig_value_len, add); - } - else - { - strcpy (new_value, add); - strcpy (new_value + add_len, orig_value); - } - } - else - { - new_value = xstrdup (add); - } - return new_value; -} - -int -lt_split_name_value (const char *arg, char** name, char** value) -{ - const char *p; - int len; - if (!arg || !*arg) - return 1; - - p = strchr (arg, (int)'='); - - if (!p) - return 1; - - *value = xstrdup (++p); - - len = strlen (arg) - strlen (*value); - *name = XMALLOC (char, len); - strncpy (*name, arg, len-1); - (*name)[len - 1] = '\0'; - - return 0; -} - -void -lt_opt_process_env_set (const char *arg) -{ - char *name = NULL; - char *value = NULL; - - if (lt_split_name_value (arg, &name, &value) != 0) - { - XFREE (name); - XFREE (value); - lt_fatal ("bad argument for %s: '%s'", env_set_opt, arg); - } - - lt_setenv (name, value); - XFREE (name); - XFREE (value); -} - -void -lt_opt_process_env_prepend (const char *arg) -{ - char *name = NULL; - char *value = NULL; - char *new_value = NULL; - - if (lt_split_name_value (arg, &name, &value) != 0) - { - XFREE (name); - XFREE (value); - lt_fatal ("bad argument for %s: '%s'", env_prepend_opt, arg); - } - - new_value = lt_extend_str (getenv (name), value, 0); - lt_setenv (name, new_value); - XFREE (new_value); - XFREE (name); - XFREE (value); -} - -void -lt_opt_process_env_append (const char *arg) -{ - char *name = NULL; - char *value = NULL; - char *new_value = NULL; - - if (lt_split_name_value (arg, &name, &value) != 0) - { - XFREE (name); - XFREE (value); - lt_fatal ("bad argument for %s: '%s'", env_append_opt, arg); - } - - new_value = lt_extend_str (getenv (name), value, 1); - lt_setenv (name, new_value); - XFREE (new_value); - XFREE (name); - XFREE (value); -} - -void -lt_update_exe_path (const char *name, const char *value) -{ - LTWRAPPER_DEBUGPRINTF (("(lt_update_exe_path) modifying '%s' by prepending '%s'\n", - (name ? name : ""), - (value ? value : ""))); - - if (name && *name && value && *value) - { - char *new_value = lt_extend_str (getenv (name), value, 0); - /* some systems can't cope with a ':'-terminated path #' */ - int len = strlen (new_value); - while (((len = strlen (new_value)) > 0) && IS_PATH_SEPARATOR (new_value[len-1])) - { - new_value[len-1] = '\0'; - } - lt_setenv (name, new_value); - XFREE (new_value); - } -} - -void -lt_update_lib_path (const char *name, const char *value) -{ - LTWRAPPER_DEBUGPRINTF (("(lt_update_lib_path) modifying '%s' by prepending '%s'\n", - (name ? name : ""), - (value ? value : ""))); - - if (name && *name && value && *value) - { - char *new_value = lt_extend_str (getenv (name), value, 0); - lt_setenv (name, new_value); - XFREE (new_value); - } -} - - -EOF -} -# end: func_emit_cwrapperexe_src - -# func_mode_link arg... -func_mode_link () -{ - $opt_debug - case $host in - *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) - # It is impossible to link a dll without this setting, and - # we shouldn't force the makefile maintainer to figure out - # which system we are compiling for in order to pass an extra - # flag for every libtool invocation. - # allow_undefined=no - - # FIXME: Unfortunately, there are problems with the above when trying - # to make a dll which has undefined symbols, in which case not - # even a static library is built. 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then - case "$new_inherited_linker_flags " in - *" $deplib "*) ;; - * ) new_inherited_linker_flags="$new_inherited_linker_flags $deplib" ;; - esac - fi - fi - continue - ;; - -l*) - if test "$linkmode" != lib && test "$linkmode" != prog; then - func_warning "\`-l' is ignored for archives/objects" - continue - fi - func_stripname '-l' '' "$deplib" - name=$func_stripname_result - if test "$linkmode" = lib; then - searchdirs="$newlib_search_path $lib_search_path $compiler_lib_search_dirs $sys_lib_search_path $shlib_search_path" - else - searchdirs="$newlib_search_path $lib_search_path $sys_lib_search_path $shlib_search_path" - fi - for searchdir in $searchdirs; do - for search_ext in .la $std_shrext .so .a; do - # Search the libtool library - lib="$searchdir/lib${name}${search_ext}" - if test -f "$lib"; then - if test "$search_ext" = ".la"; then - found=yes - else - found=no - fi - break 2 - fi - done - done - if test "$found" != yes; then - # deplib doesn't seem to be a libtool library - if test "$linkmode,$pass" = "prog,link"; 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then :; else - func_verbose "generating import library for \`$soname'" - func_execute_cmds "$old_archive_from_expsyms_cmds" 'exit $?' - fi - # make sure the library variables are pointing to the new library - dir=$output_objdir - linklib=$newlib - fi # test -n "$old_archive_from_expsyms_cmds" - - if test "$linkmode" = prog || test "$mode" != relink; then - add_shlibpath= - add_dir= - add= - lib_linked=yes - case $hardcode_action in - immediate | unsupported) - if test "$hardcode_direct" = no; then - add="$dir/$linklib" - case $host in - *-*-sco3.2v5.0.[024]*) add_dir="-L$dir" ;; - *-*-sysv4*uw2*) add_dir="-L$dir" ;; - *-*-sysv5OpenUNIX* | *-*-sysv5UnixWare7.[01].[10]* | \ - *-*-unixware7*) add_dir="-L$dir" ;; - *-*-darwin* ) - # if the lib is a (non-dlopened) module then we can not - # link against it, someone is ignoring the earlier warnings - if /usr/bin/file -L $add 2> /dev/null | - $GREP ": [^:]* bundle" >/dev/null ; then - if test "X$dlopenmodule" != "X$lib"; then - $ECHO "*** Warning: lib $linklib is a module, not a shared library" - if test -z "$old_library" ; 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- *) lib_linked=no ;; - esac - - if test "$lib_linked" != yes; then - func_fatal_configuration "unsupported hardcode properties" - fi - - if test -n "$add_shlibpath"; then - case :$compile_shlibpath: in - *":$add_shlibpath:"*) ;; - *) compile_shlibpath="$compile_shlibpath$add_shlibpath:" ;; - esac - fi - if test "$linkmode" = prog; then - test -n "$add_dir" && compile_deplibs="$add_dir $compile_deplibs" - test -n "$add" && compile_deplibs="$add $compile_deplibs" - else - test -n "$add_dir" && deplibs="$add_dir $deplibs" - test -n "$add" && deplibs="$add $deplibs" - if test "$hardcode_direct" != yes && - test "$hardcode_minus_L" != yes && - test "$hardcode_shlibpath_var" = yes; then - case :$finalize_shlibpath: in - *":$libdir:"*) ;; - *) finalize_shlibpath="$finalize_shlibpath$libdir:" ;; - esac - fi - fi - fi - - if test "$linkmode" = prog || test "$mode" = relink; then - add_shlibpath= - add_dir= - add= - # Finalize command for both is simple: just hardcode it. - if test "$hardcode_direct" = yes && - test "$hardcode_direct_absolute" = no; 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then - if test -n "$perm_rpath"; then - # We should set the runpath_var. - rpath= - for dir in $perm_rpath; do - rpath="$rpath$dir:" - done - compile_var="$runpath_var=\"$rpath\$$runpath_var\" " - fi - if test -n "$finalize_perm_rpath"; then - # We should set the runpath_var. - rpath= - for dir in $finalize_perm_rpath; do - rpath="$rpath$dir:" - done - finalize_var="$runpath_var=\"$rpath\$$runpath_var\" " - fi - fi - - if test "$no_install" = yes; then - # We don't need to create a wrapper script. - link_command="$compile_var$compile_command$compile_rpath" - # Replace the output file specification. - link_command=`$ECHO "X$link_command" | $Xsed -e 's%@OUTPUT@%'"$output"'%g'` - # Delete the old output file. - $opt_dry_run || $RM $output - # Link the executable and exit - func_show_eval "$link_command" 'exit $?' - exit $EXIT_SUCCESS - fi - - if test "$hardcode_action" = relink; then - # Fast installation is not supported - link_command="$compile_var$compile_command$compile_rpath" - relink_command="$finalize_var$finalize_command$finalize_rpath" - - func_warning "this platform does not like uninstalled shared libraries" - func_warning "\`$output' will be relinked during installation" - else - if test "$fast_install" != no; then - link_command="$finalize_var$compile_command$finalize_rpath" - if test "$fast_install" = yes; then - relink_command=`$ECHO "X$compile_var$compile_command$compile_rpath" | $Xsed -e 's%@OUTPUT@%\$progdir/\$file%g'` - else - # fast_install is set to needless - relink_command= - fi - else - link_command="$compile_var$compile_command$compile_rpath" - relink_command="$finalize_var$finalize_command$finalize_rpath" - fi - fi - - # Replace the output file specification. - link_command=`$ECHO "X$link_command" | $Xsed -e 's%@OUTPUT@%'"$output_objdir/$outputname"'%g'` - - # Delete the old output files. - $opt_dry_run || $RM $output $output_objdir/$outputname $output_objdir/lt-$outputname - - func_show_eval "$link_command" 'exit $?' - - # Now create the wrapper script. - func_verbose "creating $output" - - # Quote the relink command for shipping. - if test -n "$relink_command"; then - # Preserve any variables that may affect compiler behavior - for var in $variables_saved_for_relink; do - if eval test -z \"\${$var+set}\"; 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Check the \`README' file, - it often tells you about the needed prerequisites for installing - this package. You may also peek at any GNU archive site, in case - some other package would contain this missing \`$1' program." - exit 1 - ;; -esac - -exit 0 - -# Local variables: -# eval: (add-hook 'write-file-hooks 'time-stamp) -# time-stamp-start: "scriptversion=" -# time-stamp-format: "%:y-%02m-%02d.%02H" -# time-stamp-time-zone: "UTC" -# time-stamp-end: "; # UTC" -# End: diff --git a/deps/snappy-1.0.5/snappy-c.cc b/deps/snappy-1.0.5/snappy-c.cc deleted file mode 100644 index 473a0b0..0000000 --- a/deps/snappy-1.0.5/snappy-c.cc +++ /dev/null @@ -1,90 +0,0 @@ -// Copyright 2011 Martin Gieseking . -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -#include "snappy.h" -#include "snappy-c.h" - -extern "C" { - -snappy_status snappy_compress(const char* input, - size_t input_length, - char* compressed, - size_t *compressed_length) { - if (*compressed_length < snappy_max_compressed_length(input_length)) { - return SNAPPY_BUFFER_TOO_SMALL; - } - snappy::RawCompress(input, input_length, compressed, compressed_length); - return SNAPPY_OK; -} - -snappy_status snappy_uncompress(const char* compressed, - size_t compressed_length, - char* uncompressed, - size_t* uncompressed_length) { - size_t real_uncompressed_length; - if (!snappy::GetUncompressedLength(compressed, - compressed_length, - &real_uncompressed_length)) { - return SNAPPY_INVALID_INPUT; - } - if (*uncompressed_length < real_uncompressed_length) { - return SNAPPY_BUFFER_TOO_SMALL; - } - if (!snappy::RawUncompress(compressed, compressed_length, uncompressed)) { - return SNAPPY_INVALID_INPUT; - } - *uncompressed_length = real_uncompressed_length; - return SNAPPY_OK; -} - -size_t snappy_max_compressed_length(size_t source_length) { - return snappy::MaxCompressedLength(source_length); -} - -snappy_status snappy_uncompressed_length(const char *compressed, - size_t compressed_length, - size_t *result) { - if (snappy::GetUncompressedLength(compressed, - compressed_length, - result)) { - return SNAPPY_OK; - } else { - return SNAPPY_INVALID_INPUT; - } -} - -snappy_status snappy_validate_compressed_buffer(const char *compressed, - size_t compressed_length) { - if (snappy::IsValidCompressedBuffer(compressed, compressed_length)) { - return SNAPPY_OK; - } else { - return SNAPPY_INVALID_INPUT; - } -} - -} // extern "C" diff --git a/deps/snappy-1.0.5/snappy-c.h b/deps/snappy-1.0.5/snappy-c.h deleted file mode 100644 index 88e1122..0000000 --- a/deps/snappy-1.0.5/snappy-c.h +++ /dev/null @@ -1,138 +0,0 @@ -/* - * Copyright 2011 Martin Gieseking . - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following disclaimer - * in the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Google Inc. nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * Plain C interface (a wrapper around the C++ implementation). - */ - -#ifndef UTIL_SNAPPY_OPENSOURCE_SNAPPY_C_H_ -#define UTIL_SNAPPY_OPENSOURCE_SNAPPY_C_H_ - -#ifdef __cplusplus -extern "C" { -#endif - -#include - -/* - * Return values; see the documentation for each function to know - * what each can return. - */ -typedef enum { - SNAPPY_OK = 0, - SNAPPY_INVALID_INPUT = 1, - SNAPPY_BUFFER_TOO_SMALL = 2, -} snappy_status; - -/* - * Takes the data stored in "input[0..input_length-1]" and stores - * it in the array pointed to by "compressed". - * - * signals the space available in "compressed". - * If it is not at least equal to "snappy_max_compressed_length(input_length)", - * SNAPPY_BUFFER_TOO_SMALL is returned. After successful compression, - * contains the true length of the compressed output, - * and SNAPPY_OK is returned. - * - * Example: - * size_t output_length = snappy_max_compressed_length(input_length); - * char* output = (char*)malloc(output_length); - * if (snappy_compress(input, input_length, output, &output_length) - * == SNAPPY_OK) { - * ... Process(output, output_length) ... - * } - * free(output); - */ -snappy_status snappy_compress(const char* input, - size_t input_length, - char* compressed, - size_t* compressed_length); - -/* - * Given data in "compressed[0..compressed_length-1]" generated by - * calling the snappy_compress routine, this routine stores - * the uncompressed data to - * uncompressed[0..uncompressed_length-1]. - * Returns failure (a value not equal to SNAPPY_OK) if the message - * is corrupted and could not be decrypted. - * - * signals the space available in "uncompressed". - * If it is not at least equal to the value returned by - * snappy_uncompressed_length for this stream, SNAPPY_BUFFER_TOO_SMALL - * is returned. After successful decompression, - * contains the true length of the decompressed output. - * - * Example: - * size_t output_length; - * if (snappy_uncompressed_length(input, input_length, &output_length) - * != SNAPPY_OK) { - * ... fail ... - * } - * char* output = (char*)malloc(output_length); - * if (snappy_uncompress(input, input_length, output, &output_length) - * == SNAPPY_OK) { - * ... Process(output, output_length) ... - * } - * free(output); - */ -snappy_status snappy_uncompress(const char* compressed, - size_t compressed_length, - char* uncompressed, - size_t* uncompressed_length); - -/* - * Returns the maximal size of the compressed representation of - * input data that is "source_length" bytes in length. - */ -size_t snappy_max_compressed_length(size_t source_length); - -/* - * REQUIRES: "compressed[]" was produced by snappy_compress() - * Returns SNAPPY_OK and stores the length of the uncompressed data in - * *result normally. Returns SNAPPY_INVALID_INPUT on parsing error. - * This operation takes O(1) time. - */ -snappy_status snappy_uncompressed_length(const char* compressed, - size_t compressed_length, - size_t* result); - -/* - * Check if the contents of "compressed[]" can be uncompressed successfully. - * Does not return the uncompressed data; if so, returns SNAPPY_OK, - * or if not, returns SNAPPY_INVALID_INPUT. - * Takes time proportional to compressed_length, but is usually at least a - * factor of four faster than actual decompression. - */ -snappy_status snappy_validate_compressed_buffer(const char* compressed, - size_t compressed_length); - -#ifdef __cplusplus -} // extern "C" -#endif - -#endif /* UTIL_SNAPPY_OPENSOURCE_SNAPPY_C_H_ */ diff --git a/deps/snappy-1.0.5/snappy-internal.h b/deps/snappy-1.0.5/snappy-internal.h deleted file mode 100644 index a32eda5..0000000 --- a/deps/snappy-1.0.5/snappy-internal.h +++ /dev/null @@ -1,150 +0,0 @@ -// Copyright 2008 Google Inc. All Rights Reserved. -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// -// Internals shared between the Snappy implementation and its unittest. - -#ifndef UTIL_SNAPPY_SNAPPY_INTERNAL_H_ -#define UTIL_SNAPPY_SNAPPY_INTERNAL_H_ - -#include "snappy-stubs-internal.h" - -namespace snappy { -namespace internal { - -class WorkingMemory { - public: - WorkingMemory() : large_table_(NULL) { } - ~WorkingMemory() { delete[] large_table_; } - - // Allocates and clears a hash table using memory in "*this", - // stores the number of buckets in "*table_size" and returns a pointer to - // the base of the hash table. - uint16* GetHashTable(size_t input_size, int* table_size); - - private: - uint16 small_table_[1<<10]; // 2KB - uint16* large_table_; // Allocated only when needed - - DISALLOW_COPY_AND_ASSIGN(WorkingMemory); -}; - -// Flat array compression that does not emit the "uncompressed length" -// prefix. Compresses "input" string to the "*op" buffer. -// -// REQUIRES: "input_length <= kBlockSize" -// REQUIRES: "op" points to an array of memory that is at least -// "MaxCompressedLength(input_length)" in size. -// REQUIRES: All elements in "table[0..table_size-1]" are initialized to zero. -// REQUIRES: "table_size" is a power of two -// -// Returns an "end" pointer into "op" buffer. -// "end - op" is the compressed size of "input". -char* CompressFragment(const char* input, - size_t input_length, - char* op, - uint16* table, - const int table_size); - -// Return the largest n such that -// -// s1[0,n-1] == s2[0,n-1] -// and n <= (s2_limit - s2). -// -// Does not read *s2_limit or beyond. -// Does not read *(s1 + (s2_limit - s2)) or beyond. -// Requires that s2_limit >= s2. -// -// Separate implementation for x86_64, for speed. Uses the fact that -// x86_64 is little endian. -#if defined(ARCH_K8) -static inline int FindMatchLength(const char* s1, - const char* s2, - const char* s2_limit) { - DCHECK_GE(s2_limit, s2); - int matched = 0; - - // Find out how long the match is. We loop over the data 64 bits at a - // time until we find a 64-bit block that doesn't match; then we find - // the first non-matching bit and use that to calculate the total - // length of the match. - while (PREDICT_TRUE(s2 <= s2_limit - 8)) { - if (PREDICT_FALSE(UNALIGNED_LOAD64(s2) == UNALIGNED_LOAD64(s1 + matched))) { - s2 += 8; - matched += 8; - } else { - // On current (mid-2008) Opteron models there is a 3% more - // efficient code sequence to find the first non-matching byte. - // However, what follows is ~10% better on Intel Core 2 and newer, - // and we expect AMD's bsf instruction to improve. - uint64 x = UNALIGNED_LOAD64(s2) ^ UNALIGNED_LOAD64(s1 + matched); - int matching_bits = Bits::FindLSBSetNonZero64(x); - matched += matching_bits >> 3; - return matched; - } - } - while (PREDICT_TRUE(s2 < s2_limit)) { - if (PREDICT_TRUE(s1[matched] == *s2)) { - ++s2; - ++matched; - } else { - return matched; - } - } - return matched; -} -#else -static inline int FindMatchLength(const char* s1, - const char* s2, - const char* s2_limit) { - // Implementation based on the x86-64 version, above. - DCHECK_GE(s2_limit, s2); - int matched = 0; - - while (s2 <= s2_limit - 4 && - UNALIGNED_LOAD32(s2) == UNALIGNED_LOAD32(s1 + matched)) { - s2 += 4; - matched += 4; - } - if (LittleEndian::IsLittleEndian() && s2 <= s2_limit - 4) { - uint32 x = UNALIGNED_LOAD32(s2) ^ UNALIGNED_LOAD32(s1 + matched); - int matching_bits = Bits::FindLSBSetNonZero(x); - matched += matching_bits >> 3; - } else { - while ((s2 < s2_limit) && (s1[matched] == *s2)) { - ++s2; - ++matched; - } - } - return matched; -} -#endif - -} // end namespace internal -} // end namespace snappy - -#endif // UTIL_SNAPPY_SNAPPY_INTERNAL_H_ diff --git a/deps/snappy-1.0.5/snappy-sinksource.cc b/deps/snappy-1.0.5/snappy-sinksource.cc deleted file mode 100644 index 5844552..0000000 --- a/deps/snappy-1.0.5/snappy-sinksource.cc +++ /dev/null @@ -1,71 +0,0 @@ -// Copyright 2011 Google Inc. All Rights Reserved. -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -#include - -#include "snappy-sinksource.h" - -namespace snappy { - -Source::~Source() { } - -Sink::~Sink() { } - -char* Sink::GetAppendBuffer(size_t length, char* scratch) { - return scratch; -} - -ByteArraySource::~ByteArraySource() { } - -size_t ByteArraySource::Available() const { return left_; } - -const char* ByteArraySource::Peek(size_t* len) { - *len = left_; - return ptr_; -} - -void ByteArraySource::Skip(size_t n) { - left_ -= n; - ptr_ += n; -} - -UncheckedByteArraySink::~UncheckedByteArraySink() { } - -void UncheckedByteArraySink::Append(const char* data, size_t n) { - // Do no copying if the caller filled in the result of GetAppendBuffer() - if (data != dest_) { - memcpy(dest_, data, n); - } - dest_ += n; -} - -char* UncheckedByteArraySink::GetAppendBuffer(size_t len, char* scratch) { - return dest_; -} - -} diff --git a/deps/snappy-1.0.5/snappy-sinksource.h b/deps/snappy-1.0.5/snappy-sinksource.h deleted file mode 100644 index faabfa1..0000000 --- a/deps/snappy-1.0.5/snappy-sinksource.h +++ /dev/null @@ -1,137 +0,0 @@ -// Copyright 2011 Google Inc. All Rights Reserved. -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -#ifndef UTIL_SNAPPY_SNAPPY_SINKSOURCE_H_ -#define UTIL_SNAPPY_SNAPPY_SINKSOURCE_H_ - -#include - - -namespace snappy { - -// A Sink is an interface that consumes a sequence of bytes. -class Sink { - public: - Sink() { } - virtual ~Sink(); - - // Append "bytes[0,n-1]" to this. - virtual void Append(const char* bytes, size_t n) = 0; - - // Returns a writable buffer of the specified length for appending. - // May return a pointer to the caller-owned scratch buffer which - // must have at least the indicated length. The returned buffer is - // only valid until the next operation on this Sink. - // - // After writing at most "length" bytes, call Append() with the - // pointer returned from this function and the number of bytes - // written. Many Append() implementations will avoid copying - // bytes if this function returned an internal buffer. - // - // If a non-scratch buffer is returned, the caller may only pass a - // prefix of it to Append(). That is, it is not correct to pass an - // interior pointer of the returned array to Append(). - // - // The default implementation always returns the scratch buffer. - virtual char* GetAppendBuffer(size_t length, char* scratch); - - - private: - // No copying - Sink(const Sink&); - void operator=(const Sink&); -}; - -// A Source is an interface that yields a sequence of bytes -class Source { - public: - Source() { } - virtual ~Source(); - - // Return the number of bytes left to read from the source - virtual size_t Available() const = 0; - - // Peek at the next flat region of the source. Does not reposition - // the source. The returned region is empty iff Available()==0. - // - // Returns a pointer to the beginning of the region and store its - // length in *len. - // - // The returned region is valid until the next call to Skip() or - // until this object is destroyed, whichever occurs first. - // - // The returned region may be larger than Available() (for example - // if this ByteSource is a view on a substring of a larger source). - // The caller is responsible for ensuring that it only reads the - // Available() bytes. - virtual const char* Peek(size_t* len) = 0; - - // Skip the next n bytes. Invalidates any buffer returned by - // a previous call to Peek(). - // REQUIRES: Available() >= n - virtual void Skip(size_t n) = 0; - - private: - // No copying - Source(const Source&); - void operator=(const Source&); -}; - -// A Source implementation that yields the contents of a flat array -class ByteArraySource : public Source { - public: - ByteArraySource(const char* p, size_t n) : ptr_(p), left_(n) { } - virtual ~ByteArraySource(); - virtual size_t Available() const; - virtual const char* Peek(size_t* len); - virtual void Skip(size_t n); - private: - const char* ptr_; - size_t left_; -}; - -// A Sink implementation that writes to a flat array without any bound checks. -class UncheckedByteArraySink : public Sink { - public: - explicit UncheckedByteArraySink(char* dest) : dest_(dest) { } - virtual ~UncheckedByteArraySink(); - virtual void Append(const char* data, size_t n); - virtual char* GetAppendBuffer(size_t len, char* scratch); - - // Return the current output pointer so that a caller can see how - // many bytes were produced. - // Note: this is not a Sink method. - char* CurrentDestination() const { return dest_; } - private: - char* dest_; -}; - - -} - -#endif // UTIL_SNAPPY_SNAPPY_SINKSOURCE_H_ diff --git a/deps/snappy-1.0.5/snappy-stubs-internal.cc b/deps/snappy-1.0.5/snappy-stubs-internal.cc deleted file mode 100644 index 6ed3343..0000000 --- a/deps/snappy-1.0.5/snappy-stubs-internal.cc +++ /dev/null @@ -1,42 +0,0 @@ -// Copyright 2011 Google Inc. All Rights Reserved. -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -#include -#include - -#include "snappy-stubs-internal.h" - -namespace snappy { - -void Varint::Append32(string* s, uint32 value) { - char buf[Varint::kMax32]; - const char* p = Varint::Encode32(buf, value); - s->append(buf, p - buf); -} - -} // namespace snappy diff --git a/deps/snappy-1.0.5/snappy-stubs-internal.h b/deps/snappy-1.0.5/snappy-stubs-internal.h deleted file mode 100644 index 6033cdf..0000000 --- a/deps/snappy-1.0.5/snappy-stubs-internal.h +++ /dev/null @@ -1,571 +0,0 @@ -// Copyright 2011 Google Inc. All Rights Reserved. -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// -// Various stubs for the open-source version of Snappy. - -#ifndef UTIL_SNAPPY_OPENSOURCE_SNAPPY_STUBS_INTERNAL_H_ -#define UTIL_SNAPPY_OPENSOURCE_SNAPPY_STUBS_INTERNAL_H_ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include -#include - -#include -#include -#include - -#ifdef HAVE_SYS_MMAN_H -#include -#endif - -#include "snappy-stubs-public.h" - -#if defined(__x86_64__) - -// Enable 64-bit optimized versions of some routines. -#define ARCH_K8 1 - -#endif - -// Needed by OS X, among others. -#ifndef MAP_ANONYMOUS -#define MAP_ANONYMOUS MAP_ANON -#endif - -// Pull in std::min, std::ostream, and the likes. This is safe because this -// header file is never used from any public header files. -using namespace std; - -// The size of an array, if known at compile-time. -// Will give unexpected results if used on a pointer. -// We undefine it first, since some compilers already have a definition. -#ifdef ARRAYSIZE -#undef ARRAYSIZE -#endif -#define ARRAYSIZE(a) (sizeof(a) / sizeof(*(a))) - -// Static prediction hints. -#ifdef HAVE_BUILTIN_EXPECT -#define PREDICT_FALSE(x) (__builtin_expect(x, 0)) -#define PREDICT_TRUE(x) (__builtin_expect(!!(x), 1)) -#else -#define PREDICT_FALSE(x) x -#define PREDICT_TRUE(x) x -#endif - -// This is only used for recomputing the tag byte table used during -// decompression; for simplicity we just remove it from the open-source -// version (anyone who wants to regenerate it can just do the call -// themselves within main()). -#define DEFINE_bool(flag_name, default_value, description) \ - bool FLAGS_ ## flag_name = default_value -#define DECLARE_bool(flag_name) \ - extern bool FLAGS_ ## flag_name - -namespace snappy { - -static const uint32 kuint32max = static_cast(0xFFFFFFFF); -static const int64 kint64max = static_cast(0x7FFFFFFFFFFFFFFFLL); - -// Logging. - -#define LOG(level) LogMessage() -#define VLOG(level) true ? (void)0 : \ - snappy::LogMessageVoidify() & snappy::LogMessage() - -class LogMessage { - public: - LogMessage() { } - ~LogMessage() { - cerr << endl; - } - - LogMessage& operator<<(const std::string& msg) { - cerr << msg; - return *this; - } - LogMessage& operator<<(int x) { - cerr << x; - return *this; - } -}; - -// Asserts, both versions activated in debug mode only, -// and ones that are always active. - -#define CRASH_UNLESS(condition) \ - PREDICT_TRUE(condition) ? (void)0 : \ - snappy::LogMessageVoidify() & snappy::LogMessageCrash() - -class LogMessageCrash : public LogMessage { - public: - LogMessageCrash() { } - ~LogMessageCrash() { - cerr << endl; - abort(); - } -}; - -// This class is used to explicitly ignore values in the conditional -// logging macros. This avoids compiler warnings like "value computed -// is not used" and "statement has no effect". - -class LogMessageVoidify { - public: - LogMessageVoidify() { } - // This has to be an operator with a precedence lower than << but - // higher than ?: - void operator&(const LogMessage&) { } -}; - -#define CHECK(cond) CRASH_UNLESS(cond) -#define CHECK_LE(a, b) CRASH_UNLESS((a) <= (b)) -#define CHECK_GE(a, b) CRASH_UNLESS((a) >= (b)) -#define CHECK_EQ(a, b) CRASH_UNLESS((a) == (b)) -#define CHECK_NE(a, b) CRASH_UNLESS((a) != (b)) -#define CHECK_LT(a, b) CRASH_UNLESS((a) < (b)) -#define CHECK_GT(a, b) CRASH_UNLESS((a) > (b)) - -#ifdef NDEBUG - -#define DCHECK(cond) CRASH_UNLESS(true) -#define DCHECK_LE(a, b) CRASH_UNLESS(true) -#define DCHECK_GE(a, b) CRASH_UNLESS(true) -#define DCHECK_EQ(a, b) CRASH_UNLESS(true) -#define DCHECK_NE(a, b) CRASH_UNLESS(true) -#define DCHECK_LT(a, b) CRASH_UNLESS(true) -#define DCHECK_GT(a, b) CRASH_UNLESS(true) - -#else - -#define DCHECK(cond) CHECK(cond) -#define DCHECK_LE(a, b) CHECK_LE(a, b) -#define DCHECK_GE(a, b) CHECK_GE(a, b) -#define DCHECK_EQ(a, b) CHECK_EQ(a, b) -#define DCHECK_NE(a, b) CHECK_NE(a, b) -#define DCHECK_LT(a, b) CHECK_LT(a, b) -#define DCHECK_GT(a, b) CHECK_GT(a, b) - -#endif - -// Potentially unaligned loads and stores. - -// x86 and PowerPC can simply do these loads and stores native. - -#if defined(__i386__) || defined(__x86_64__) || defined(__powerpc__) - -#define UNALIGNED_LOAD16(_p) (*reinterpret_cast(_p)) -#define UNALIGNED_LOAD32(_p) (*reinterpret_cast(_p)) -#define UNALIGNED_LOAD64(_p) (*reinterpret_cast(_p)) - -#define UNALIGNED_STORE16(_p, _val) (*reinterpret_cast(_p) = (_val)) -#define UNALIGNED_STORE32(_p, _val) (*reinterpret_cast(_p) = (_val)) -#define UNALIGNED_STORE64(_p, _val) (*reinterpret_cast(_p) = (_val)) - -// ARMv7 and newer support native unaligned accesses, but only of 16-bit -// and 32-bit values (not 64-bit); older versions either raise a fatal signal, -// do an unaligned read and rotate the words around a bit, or do the reads very -// slowly (trip through kernel mode). There's no simple #define that says just -// “ARMv7 or higher”, so we have to filter away all ARMv5 and ARMv6 -// sub-architectures. -// -// This is a mess, but there's not much we can do about it. - -#elif defined(__arm__) && \ - !defined(__ARM_ARCH_5__) && \ - !defined(__ARM_ARCH_5T__) && \ - !defined(__ARM_ARCH_5TE__) && \ - !defined(__ARM_ARCH_5TEJ__) && \ - !defined(__ARM_ARCH_6__) && \ - !defined(__ARM_ARCH_6J__) && \ - !defined(__ARM_ARCH_6K__) && \ - !defined(__ARM_ARCH_6Z__) && \ - !defined(__ARM_ARCH_6ZK__) && \ - !defined(__ARM_ARCH_6T2__) - -#define UNALIGNED_LOAD16(_p) (*reinterpret_cast(_p)) -#define UNALIGNED_LOAD32(_p) (*reinterpret_cast(_p)) - -#define UNALIGNED_STORE16(_p, _val) (*reinterpret_cast(_p) = (_val)) -#define UNALIGNED_STORE32(_p, _val) (*reinterpret_cast(_p) = (_val)) - -// TODO(user): NEON supports unaligned 64-bit loads and stores. -// See if that would be more efficient on platforms supporting it, -// at least for copies. - -inline uint64 UNALIGNED_LOAD64(const void *p) { - uint64 t; - memcpy(&t, p, sizeof t); - return t; -} - -inline void UNALIGNED_STORE64(void *p, uint64 v) { - memcpy(p, &v, sizeof v); -} - -#else - -// These functions are provided for architectures that don't support -// unaligned loads and stores. - -inline uint16 UNALIGNED_LOAD16(const void *p) { - uint16 t; - memcpy(&t, p, sizeof t); - return t; -} - -inline uint32 UNALIGNED_LOAD32(const void *p) { - uint32 t; - memcpy(&t, p, sizeof t); - return t; -} - -inline uint64 UNALIGNED_LOAD64(const void *p) { - uint64 t; - memcpy(&t, p, sizeof t); - return t; -} - -inline void UNALIGNED_STORE16(void *p, uint16 v) { - memcpy(p, &v, sizeof v); -} - -inline void UNALIGNED_STORE32(void *p, uint32 v) { - memcpy(p, &v, sizeof v); -} - -inline void UNALIGNED_STORE64(void *p, uint64 v) { - memcpy(p, &v, sizeof v); -} - -#endif - -// This can be more efficient than UNALIGNED_LOAD64 + UNALIGNED_STORE64 -// on some platforms, in particular ARM. -inline void UnalignedCopy64(const void *src, void *dst) { - if (sizeof(void *) == 8) { - UNALIGNED_STORE64(dst, UNALIGNED_LOAD64(src)); - } else { - const char *src_char = reinterpret_cast(src); - char *dst_char = reinterpret_cast(dst); - - UNALIGNED_STORE32(dst_char, UNALIGNED_LOAD32(src_char)); - UNALIGNED_STORE32(dst_char + 4, UNALIGNED_LOAD32(src_char + 4)); - } -} - -// The following guarantees declaration of the byte swap functions. -#ifdef WORDS_BIGENDIAN - -#ifdef HAVE_SYS_BYTEORDER_H -#include -#endif - -#ifdef HAVE_SYS_ENDIAN_H -#include -#endif - -#ifdef _MSC_VER -#include -#define bswap_16(x) _byteswap_ushort(x) -#define bswap_32(x) _byteswap_ulong(x) -#define bswap_64(x) _byteswap_uint64(x) - -#elif defined(__APPLE__) -// Mac OS X / Darwin features -#include -#define bswap_16(x) OSSwapInt16(x) -#define bswap_32(x) OSSwapInt32(x) -#define bswap_64(x) OSSwapInt64(x) - -#elif defined(HAVE_BYTESWAP_H) -#include - -#elif defined(bswap32) -// FreeBSD defines bswap{16,32,64} in (already #included). -#define bswap_16(x) bswap16(x) -#define bswap_32(x) bswap32(x) -#define bswap_64(x) bswap64(x) - -#elif defined(BSWAP_64) -// Solaris 10 defines BSWAP_{16,32,64} in (already #included). -#define bswap_16(x) BSWAP_16(x) -#define bswap_32(x) BSWAP_32(x) -#define bswap_64(x) BSWAP_64(x) - -#else - -inline uint16 bswap_16(uint16 x) { - return (x << 8) | (x >> 8); -} - -inline uint32 bswap_32(uint32 x) { - x = ((x & 0xff00ff00UL) >> 8) | ((x & 0x00ff00ffUL) << 8); - return (x >> 16) | (x << 16); -} - -inline uint64 bswap_64(uint64 x) { - x = ((x & 0xff00ff00ff00ff00ULL) >> 8) | ((x & 0x00ff00ff00ff00ffULL) << 8); - x = ((x & 0xffff0000ffff0000ULL) >> 16) | ((x & 0x0000ffff0000ffffULL) << 16); - return (x >> 32) | (x << 32); -} - -#endif - -#endif // WORDS_BIGENDIAN - -// Convert to little-endian storage, opposite of network format. -// Convert x from host to little endian: x = LittleEndian.FromHost(x); -// convert x from little endian to host: x = LittleEndian.ToHost(x); -// -// Store values into unaligned memory converting to little endian order: -// LittleEndian.Store16(p, x); -// -// Load unaligned values stored in little endian converting to host order: -// x = LittleEndian.Load16(p); -class LittleEndian { - public: - // Conversion functions. -#ifdef WORDS_BIGENDIAN - - static uint16 FromHost16(uint16 x) { return bswap_16(x); } - static uint16 ToHost16(uint16 x) { return bswap_16(x); } - - static uint32 FromHost32(uint32 x) { return bswap_32(x); } - static uint32 ToHost32(uint32 x) { return bswap_32(x); } - - static bool IsLittleEndian() { return false; } - -#else // !defined(WORDS_BIGENDIAN) - - static uint16 FromHost16(uint16 x) { return x; } - static uint16 ToHost16(uint16 x) { return x; } - - static uint32 FromHost32(uint32 x) { return x; } - static uint32 ToHost32(uint32 x) { return x; } - - static bool IsLittleEndian() { return true; } - -#endif // !defined(WORDS_BIGENDIAN) - - // Functions to do unaligned loads and stores in little-endian order. - static uint16 Load16(const void *p) { - return ToHost16(UNALIGNED_LOAD16(p)); - } - - static void Store16(void *p, uint16 v) { - UNALIGNED_STORE16(p, FromHost16(v)); - } - - static uint32 Load32(const void *p) { - return ToHost32(UNALIGNED_LOAD32(p)); - } - - static void Store32(void *p, uint32 v) { - UNALIGNED_STORE32(p, FromHost32(v)); - } -}; - -// Some bit-manipulation functions. -class Bits { - public: - // Return floor(log2(n)) for positive integer n. Returns -1 iff n == 0. - static int Log2Floor(uint32 n); - - // Return the first set least / most significant bit, 0-indexed. Returns an - // undefined value if n == 0. FindLSBSetNonZero() is similar to ffs() except - // that it's 0-indexed. - static int FindLSBSetNonZero(uint32 n); - static int FindLSBSetNonZero64(uint64 n); - - private: - DISALLOW_COPY_AND_ASSIGN(Bits); -}; - -#ifdef HAVE_BUILTIN_CTZ - -inline int Bits::Log2Floor(uint32 n) { - return n == 0 ? -1 : 31 ^ __builtin_clz(n); -} - -inline int Bits::FindLSBSetNonZero(uint32 n) { - return __builtin_ctz(n); -} - -inline int Bits::FindLSBSetNonZero64(uint64 n) { - return __builtin_ctzll(n); -} - -#else // Portable versions. - -inline int Bits::Log2Floor(uint32 n) { - if (n == 0) - return -1; - int log = 0; - uint32 value = n; - for (int i = 4; i >= 0; --i) { - int shift = (1 << i); - uint32 x = value >> shift; - if (x != 0) { - value = x; - log += shift; - } - } - assert(value == 1); - return log; -} - -inline int Bits::FindLSBSetNonZero(uint32 n) { - int rc = 31; - for (int i = 4, shift = 1 << 4; i >= 0; --i) { - const uint32 x = n << shift; - if (x != 0) { - n = x; - rc -= shift; - } - shift >>= 1; - } - return rc; -} - -// FindLSBSetNonZero64() is defined in terms of FindLSBSetNonZero(). -inline int Bits::FindLSBSetNonZero64(uint64 n) { - const uint32 bottombits = static_cast(n); - if (bottombits == 0) { - // Bottom bits are zero, so scan in top bits - return 32 + FindLSBSetNonZero(static_cast(n >> 32)); - } else { - return FindLSBSetNonZero(bottombits); - } -} - -#endif // End portable versions. - -// Variable-length integer encoding. -class Varint { - public: - // Maximum lengths of varint encoding of uint32. - static const int kMax32 = 5; - - // Attempts to parse a varint32 from a prefix of the bytes in [ptr,limit-1]. - // Never reads a character at or beyond limit. If a valid/terminated varint32 - // was found in the range, stores it in *OUTPUT and returns a pointer just - // past the last byte of the varint32. Else returns NULL. On success, - // "result <= limit". - static const char* Parse32WithLimit(const char* ptr, const char* limit, - uint32* OUTPUT); - - // REQUIRES "ptr" points to a buffer of length sufficient to hold "v". - // EFFECTS Encodes "v" into "ptr" and returns a pointer to the - // byte just past the last encoded byte. - static char* Encode32(char* ptr, uint32 v); - - // EFFECTS Appends the varint representation of "value" to "*s". - static void Append32(string* s, uint32 value); -}; - -inline const char* Varint::Parse32WithLimit(const char* p, - const char* l, - uint32* OUTPUT) { - const unsigned char* ptr = reinterpret_cast(p); - const unsigned char* limit = reinterpret_cast(l); - uint32 b, result; - if (ptr >= limit) return NULL; - b = *(ptr++); result = b & 127; if (b < 128) goto done; - if (ptr >= limit) return NULL; - b = *(ptr++); result |= (b & 127) << 7; if (b < 128) goto done; - if (ptr >= limit) return NULL; - b = *(ptr++); result |= (b & 127) << 14; if (b < 128) goto done; - if (ptr >= limit) return NULL; - b = *(ptr++); result |= (b & 127) << 21; if (b < 128) goto done; - if (ptr >= limit) return NULL; - b = *(ptr++); result |= (b & 127) << 28; if (b < 16) goto done; - return NULL; // Value is too long to be a varint32 - done: - *OUTPUT = result; - return reinterpret_cast(ptr); -} - -inline char* Varint::Encode32(char* sptr, uint32 v) { - // Operate on characters as unsigneds - unsigned char* ptr = reinterpret_cast(sptr); - static const int B = 128; - if (v < (1<<7)) { - *(ptr++) = v; - } else if (v < (1<<14)) { - *(ptr++) = v | B; - *(ptr++) = v>>7; - } else if (v < (1<<21)) { - *(ptr++) = v | B; - *(ptr++) = (v>>7) | B; - *(ptr++) = v>>14; - } else if (v < (1<<28)) { - *(ptr++) = v | B; - *(ptr++) = (v>>7) | B; - *(ptr++) = (v>>14) | B; - *(ptr++) = v>>21; - } else { - *(ptr++) = v | B; - *(ptr++) = (v>>7) | B; - *(ptr++) = (v>>14) | B; - *(ptr++) = (v>>21) | B; - *(ptr++) = v>>28; - } - return reinterpret_cast(ptr); -} - -// If you know the internal layout of the std::string in use, you can -// replace this function with one that resizes the string without -// filling the new space with zeros (if applicable) -- -// it will be non-portable but faster. -inline void STLStringResizeUninitialized(string* s, size_t new_size) { - s->resize(new_size); -} - -// Return a mutable char* pointing to a string's internal buffer, -// which may not be null-terminated. Writing through this pointer will -// modify the string. -// -// string_as_array(&str)[i] is valid for 0 <= i < str.size() until the -// next call to a string method that invalidates iterators. -// -// As of 2006-04, there is no standard-blessed way of getting a -// mutable reference to a string's internal buffer. However, issue 530 -// (http://www.open-std.org/JTC1/SC22/WG21/docs/lwg-defects.html#530) -// proposes this as the method. It will officially be part of the standard -// for C++0x. This should already work on all current implementations. -inline char* string_as_array(string* str) { - return str->empty() ? NULL : &*str->begin(); -} - -} // namespace snappy - -#endif // UTIL_SNAPPY_OPENSOURCE_SNAPPY_STUBS_INTERNAL_H_ diff --git a/deps/snappy-1.0.5/snappy-stubs-public.h b/deps/snappy-1.0.5/snappy-stubs-public.h deleted file mode 100644 index 9ee4ca5..0000000 --- a/deps/snappy-1.0.5/snappy-stubs-public.h +++ /dev/null @@ -1,85 +0,0 @@ -// Copyright 2011 Google Inc. All Rights Reserved. -// Author: sesse@google.com (Steinar H. Gunderson) -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// -// Various type stubs for the open-source version of Snappy. -// -// This file cannot include config.h, as it is included from snappy.h, -// which is a public header. Instead, snappy-stubs-public.h is generated by -// from snappy-stubs-public.h.in at configure time. - -#ifndef UTIL_SNAPPY_OPENSOURCE_SNAPPY_STUBS_PUBLIC_H_ -#define UTIL_SNAPPY_OPENSOURCE_SNAPPY_STUBS_PUBLIC_H_ - -#if 1 -#include -#endif - -#if 1 -#include -#endif - -#define SNAPPY_MAJOR 1 -#define SNAPPY_MINOR 0 -#define SNAPPY_PATCHLEVEL 5 -#define SNAPPY_VERSION \ - ((SNAPPY_MAJOR << 16) | (SNAPPY_MINOR << 8) | SNAPPY_PATCHLEVEL) - -#include - -namespace snappy { - -#if 1 -typedef int8_t int8; -typedef uint8_t uint8; -typedef int16_t int16; -typedef uint16_t uint16; -typedef int32_t int32; -typedef uint32_t uint32; -typedef int64_t int64; -typedef uint64_t uint64; -#else -typedef signed char int8; -typedef unsigned char uint8; -typedef short int16; -typedef unsigned short uint16; -typedef int int32; -typedef unsigned int uint32; -typedef long long int64; -typedef unsigned long long uint64; -#endif - -typedef std::string string; - -#define DISALLOW_COPY_AND_ASSIGN(TypeName) \ - TypeName(const TypeName&); \ - void operator=(const TypeName&) - -} // namespace snappy - -#endif // UTIL_SNAPPY_OPENSOURCE_SNAPPY_STUBS_PUBLIC_H_ diff --git a/deps/snappy-1.0.5/snappy-stubs-public.h.in b/deps/snappy-1.0.5/snappy-stubs-public.h.in deleted file mode 100644 index f0babcb..0000000 --- a/deps/snappy-1.0.5/snappy-stubs-public.h.in +++ /dev/null @@ -1,85 +0,0 @@ -// Copyright 2011 Google Inc. All Rights Reserved. -// Author: sesse@google.com (Steinar H. Gunderson) -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// -// Various type stubs for the open-source version of Snappy. -// -// This file cannot include config.h, as it is included from snappy.h, -// which is a public header. Instead, snappy-stubs-public.h is generated by -// from snappy-stubs-public.h.in at configure time. - -#ifndef UTIL_SNAPPY_OPENSOURCE_SNAPPY_STUBS_PUBLIC_H_ -#define UTIL_SNAPPY_OPENSOURCE_SNAPPY_STUBS_PUBLIC_H_ - -#if @ac_cv_have_stdint_h@ -#include -#endif - -#if @ac_cv_have_stddef_h@ -#include -#endif - -#define SNAPPY_MAJOR @SNAPPY_MAJOR@ -#define SNAPPY_MINOR @SNAPPY_MINOR@ -#define SNAPPY_PATCHLEVEL @SNAPPY_PATCHLEVEL@ -#define SNAPPY_VERSION \ - ((SNAPPY_MAJOR << 16) | (SNAPPY_MINOR << 8) | SNAPPY_PATCHLEVEL) - -#include - -namespace snappy { - -#if @ac_cv_have_stdint_h@ -typedef int8_t int8; -typedef uint8_t uint8; -typedef int16_t int16; -typedef uint16_t uint16; -typedef int32_t int32; -typedef uint32_t uint32; -typedef int64_t int64; -typedef uint64_t uint64; -#else -typedef signed char int8; -typedef unsigned char uint8; -typedef short int16; -typedef unsigned short uint16; -typedef int int32; -typedef unsigned int uint32; -typedef long long int64; -typedef unsigned long long uint64; -#endif - -typedef std::string string; - -#define DISALLOW_COPY_AND_ASSIGN(TypeName) \ - TypeName(const TypeName&); \ - void operator=(const TypeName&) - -} // namespace snappy - -#endif // UTIL_SNAPPY_OPENSOURCE_SNAPPY_STUBS_PUBLIC_H_ diff --git a/deps/snappy-1.0.5/snappy-test.cc b/deps/snappy-1.0.5/snappy-test.cc deleted file mode 100644 index 223cd92..0000000 --- a/deps/snappy-1.0.5/snappy-test.cc +++ /dev/null @@ -1,594 +0,0 @@ -// Copyright 2011 Google Inc. All Rights Reserved. -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// -// Various stubs for the unit tests for the open-source version of Snappy. - -#include "snappy-test.h" - -#ifdef HAVE_WINDOWS_H -#define WIN32_LEAN_AND_MEAN -#include -#endif - -#include - -DEFINE_bool(run_microbenchmarks, true, - "Run microbenchmarks before doing anything else."); - -namespace snappy { - -string ReadTestDataFile(const string& base) { - string contents; - const char* srcdir = getenv("srcdir"); // This is set by Automake. - if (srcdir) { - File::ReadFileToStringOrDie( - string(srcdir) + "/testdata/" + base, &contents); - } else { - File::ReadFileToStringOrDie("testdata/" + base, &contents); - } - return contents; -} - -string StringPrintf(const char* format, ...) { - char buf[4096]; - va_list ap; - va_start(ap, format); - vsnprintf(buf, sizeof(buf), format, ap); - va_end(ap); - return buf; -} - -bool benchmark_running = false; -int64 benchmark_real_time_us = 0; -int64 benchmark_cpu_time_us = 0; -string *benchmark_label = NULL; -int64 benchmark_bytes_processed = 0; - -void ResetBenchmarkTiming() { - benchmark_real_time_us = 0; - benchmark_cpu_time_us = 0; -} - -#ifdef WIN32 -LARGE_INTEGER benchmark_start_real; -FILETIME benchmark_start_cpu; -#else // WIN32 -struct timeval benchmark_start_real; -struct rusage benchmark_start_cpu; -#endif // WIN32 - -void StartBenchmarkTiming() { -#ifdef WIN32 - QueryPerformanceCounter(&benchmark_start_real); - FILETIME dummy; - CHECK(GetProcessTimes( - GetCurrentProcess(), &dummy, &dummy, &dummy, &benchmark_start_cpu)); -#else - gettimeofday(&benchmark_start_real, NULL); - if (getrusage(RUSAGE_SELF, &benchmark_start_cpu) == -1) { - perror("getrusage(RUSAGE_SELF)"); - exit(1); - } -#endif - benchmark_running = true; -} - -void StopBenchmarkTiming() { - if (!benchmark_running) { - return; - } - -#ifdef WIN32 - LARGE_INTEGER benchmark_stop_real; - LARGE_INTEGER benchmark_frequency; - QueryPerformanceCounter(&benchmark_stop_real); - QueryPerformanceFrequency(&benchmark_frequency); - - double elapsed_real = static_cast( - benchmark_stop_real.QuadPart - benchmark_start_real.QuadPart) / - benchmark_frequency.QuadPart; - benchmark_real_time_us += elapsed_real * 1e6 + 0.5; - - FILETIME benchmark_stop_cpu, dummy; - CHECK(GetProcessTimes( - GetCurrentProcess(), &dummy, &dummy, &dummy, &benchmark_stop_cpu)); - - ULARGE_INTEGER start_ulargeint; - start_ulargeint.LowPart = benchmark_start_cpu.dwLowDateTime; - start_ulargeint.HighPart = benchmark_start_cpu.dwHighDateTime; - - ULARGE_INTEGER stop_ulargeint; - stop_ulargeint.LowPart = benchmark_stop_cpu.dwLowDateTime; - stop_ulargeint.HighPart = benchmark_stop_cpu.dwHighDateTime; - - benchmark_cpu_time_us += - (stop_ulargeint.QuadPart - start_ulargeint.QuadPart + 5) / 10; -#else // WIN32 - struct timeval benchmark_stop_real; - gettimeofday(&benchmark_stop_real, NULL); - benchmark_real_time_us += - 1000000 * (benchmark_stop_real.tv_sec - benchmark_start_real.tv_sec); - benchmark_real_time_us += - (benchmark_stop_real.tv_usec - benchmark_start_real.tv_usec); - - struct rusage benchmark_stop_cpu; - if (getrusage(RUSAGE_SELF, &benchmark_stop_cpu) == -1) { - perror("getrusage(RUSAGE_SELF)"); - exit(1); - } - benchmark_cpu_time_us += 1000000 * (benchmark_stop_cpu.ru_utime.tv_sec - - benchmark_start_cpu.ru_utime.tv_sec); - benchmark_cpu_time_us += (benchmark_stop_cpu.ru_utime.tv_usec - - benchmark_start_cpu.ru_utime.tv_usec); -#endif // WIN32 - - benchmark_running = false; -} - -void SetBenchmarkLabel(const string& str) { - if (benchmark_label) { - delete benchmark_label; - } - benchmark_label = new string(str); -} - -void SetBenchmarkBytesProcessed(int64 bytes) { - benchmark_bytes_processed = bytes; -} - -struct BenchmarkRun { - int64 real_time_us; - int64 cpu_time_us; -}; - -struct BenchmarkCompareCPUTime { - bool operator() (const BenchmarkRun& a, const BenchmarkRun& b) const { - return a.cpu_time_us < b.cpu_time_us; - } -}; - -void Benchmark::Run() { - for (int test_case_num = start_; test_case_num <= stop_; ++test_case_num) { - // Run a few iterations first to find out approximately how fast - // the benchmark is. - const int kCalibrateIterations = 100; - ResetBenchmarkTiming(); - StartBenchmarkTiming(); - (*function_)(kCalibrateIterations, test_case_num); - StopBenchmarkTiming(); - - // Let each test case run for about 200ms, but at least as many - // as we used to calibrate. - // Run five times and pick the median. - const int kNumRuns = 5; - const int kMedianPos = kNumRuns / 2; - int num_iterations = 0; - if (benchmark_real_time_us > 0) { - num_iterations = 200000 * kCalibrateIterations / benchmark_real_time_us; - } - num_iterations = max(num_iterations, kCalibrateIterations); - BenchmarkRun benchmark_runs[kNumRuns]; - - for (int run = 0; run < kNumRuns; ++run) { - ResetBenchmarkTiming(); - StartBenchmarkTiming(); - (*function_)(num_iterations, test_case_num); - StopBenchmarkTiming(); - - benchmark_runs[run].real_time_us = benchmark_real_time_us; - benchmark_runs[run].cpu_time_us = benchmark_cpu_time_us; - } - - nth_element(benchmark_runs, - benchmark_runs + kMedianPos, - benchmark_runs + kNumRuns, - BenchmarkCompareCPUTime()); - int64 real_time_us = benchmark_runs[kMedianPos].real_time_us; - int64 cpu_time_us = benchmark_runs[kMedianPos].cpu_time_us; - int64 bytes_per_second = benchmark_bytes_processed * 1000000 / cpu_time_us; - - string heading = StringPrintf("%s/%d", name_.c_str(), test_case_num); - string human_readable_speed; - if (bytes_per_second < 1024) { - human_readable_speed = StringPrintf("%dB/s", bytes_per_second); - } else if (bytes_per_second < 1024 * 1024) { - human_readable_speed = StringPrintf( - "%.1fkB/s", bytes_per_second / 1024.0f); - } else if (bytes_per_second < 1024 * 1024 * 1024) { - human_readable_speed = StringPrintf( - "%.1fMB/s", bytes_per_second / (1024.0f * 1024.0f)); - } else { - human_readable_speed = StringPrintf( - "%.1fGB/s", bytes_per_second / (1024.0f * 1024.0f * 1024.0f)); - } - - fprintf(stderr, -#ifdef WIN32 - "%-18s %10I64d %10I64d %10d %s %s\n", -#else - "%-18s %10lld %10lld %10d %s %s\n", -#endif - heading.c_str(), - static_cast(real_time_us * 1000 / num_iterations), - static_cast(cpu_time_us * 1000 / num_iterations), - num_iterations, - human_readable_speed.c_str(), - benchmark_label->c_str()); - } -} - -#ifdef HAVE_LIBZ - -ZLib::ZLib() - : comp_init_(false), - uncomp_init_(false) { - Reinit(); -} - -ZLib::~ZLib() { - if (comp_init_) { deflateEnd(&comp_stream_); } - if (uncomp_init_) { inflateEnd(&uncomp_stream_); } -} - -void ZLib::Reinit() { - compression_level_ = Z_DEFAULT_COMPRESSION; - window_bits_ = MAX_WBITS; - mem_level_ = 8; // DEF_MEM_LEVEL - if (comp_init_) { - deflateEnd(&comp_stream_); - comp_init_ = false; - } - if (uncomp_init_) { - inflateEnd(&uncomp_stream_); - uncomp_init_ = false; - } - first_chunk_ = true; -} - -void ZLib::Reset() { - first_chunk_ = true; -} - -// --------- COMPRESS MODE - -// Initialization method to be called if we hit an error while -// compressing. On hitting an error, call this method before returning -// the error. -void ZLib::CompressErrorInit() { - deflateEnd(&comp_stream_); - comp_init_ = false; - Reset(); -} - -int ZLib::DeflateInit() { - return deflateInit2(&comp_stream_, - compression_level_, - Z_DEFLATED, - window_bits_, - mem_level_, - Z_DEFAULT_STRATEGY); -} - -int ZLib::CompressInit(Bytef *dest, uLongf *destLen, - const Bytef *source, uLong *sourceLen) { - int err; - - comp_stream_.next_in = (Bytef*)source; - comp_stream_.avail_in = (uInt)*sourceLen; - if ((uLong)comp_stream_.avail_in != *sourceLen) return Z_BUF_ERROR; - comp_stream_.next_out = dest; - comp_stream_.avail_out = (uInt)*destLen; - if ((uLong)comp_stream_.avail_out != *destLen) return Z_BUF_ERROR; - - if ( !first_chunk_ ) // only need to set up stream the first time through - return Z_OK; - - if (comp_init_) { // we've already initted it - err = deflateReset(&comp_stream_); - if (err != Z_OK) { - LOG(WARNING) << "ERROR: Can't reset compress object; creating a new one"; - deflateEnd(&comp_stream_); - comp_init_ = false; - } - } - if (!comp_init_) { // first use - comp_stream_.zalloc = (alloc_func)0; - comp_stream_.zfree = (free_func)0; - comp_stream_.opaque = (voidpf)0; - err = DeflateInit(); - if (err != Z_OK) return err; - comp_init_ = true; - } - return Z_OK; -} - -// In a perfect world we'd always have the full buffer to compress -// when the time came, and we could just call Compress(). Alas, we -// want to do chunked compression on our webserver. In this -// application, we compress the header, send it off, then compress the -// results, send them off, then compress the footer. Thus we need to -// use the chunked compression features of zlib. -int ZLib::CompressAtMostOrAll(Bytef *dest, uLongf *destLen, - const Bytef *source, uLong *sourceLen, - int flush_mode) { // Z_FULL_FLUSH or Z_FINISH - int err; - - if ( (err=CompressInit(dest, destLen, source, sourceLen)) != Z_OK ) - return err; - - // This is used to figure out how many bytes we wrote *this chunk* - int compressed_size = comp_stream_.total_out; - - // Some setup happens only for the first chunk we compress in a run - if ( first_chunk_ ) { - first_chunk_ = false; - } - - // flush_mode is Z_FINISH for all mode, Z_SYNC_FLUSH for incremental - // compression. - err = deflate(&comp_stream_, flush_mode); - - *sourceLen = comp_stream_.avail_in; - - if ((err == Z_STREAM_END || err == Z_OK) - && comp_stream_.avail_in == 0 - && comp_stream_.avail_out != 0 ) { - // we processed everything ok and the output buffer was large enough. - ; - } else if (err == Z_STREAM_END && comp_stream_.avail_in > 0) { - return Z_BUF_ERROR; // should never happen - } else if (err != Z_OK && err != Z_STREAM_END && err != Z_BUF_ERROR) { - // an error happened - CompressErrorInit(); - return err; - } else if (comp_stream_.avail_out == 0) { // not enough space - err = Z_BUF_ERROR; - } - - assert(err == Z_OK || err == Z_STREAM_END || err == Z_BUF_ERROR); - if (err == Z_STREAM_END) - err = Z_OK; - - // update the crc and other metadata - compressed_size = comp_stream_.total_out - compressed_size; // delta - *destLen = compressed_size; - - return err; -} - -int ZLib::CompressChunkOrAll(Bytef *dest, uLongf *destLen, - const Bytef *source, uLong sourceLen, - int flush_mode) { // Z_FULL_FLUSH or Z_FINISH - const int ret = - CompressAtMostOrAll(dest, destLen, source, &sourceLen, flush_mode); - if (ret == Z_BUF_ERROR) - CompressErrorInit(); - return ret; -} - -// This routine only initializes the compression stream once. Thereafter, it -// just does a deflateReset on the stream, which should be faster. -int ZLib::Compress(Bytef *dest, uLongf *destLen, - const Bytef *source, uLong sourceLen) { - int err; - if ( (err=CompressChunkOrAll(dest, destLen, source, sourceLen, - Z_FINISH)) != Z_OK ) - return err; - Reset(); // reset for next call to Compress - - return Z_OK; -} - - -// --------- UNCOMPRESS MODE - -int ZLib::InflateInit() { - return inflateInit2(&uncomp_stream_, MAX_WBITS); -} - -// Initialization method to be called if we hit an error while -// uncompressing. On hitting an error, call this method before -// returning the error. -void ZLib::UncompressErrorInit() { - inflateEnd(&uncomp_stream_); - uncomp_init_ = false; - Reset(); -} - -int ZLib::UncompressInit(Bytef *dest, uLongf *destLen, - const Bytef *source, uLong *sourceLen) { - int err; - - uncomp_stream_.next_in = (Bytef*)source; - uncomp_stream_.avail_in = (uInt)*sourceLen; - // Check for source > 64K on 16-bit machine: - if ((uLong)uncomp_stream_.avail_in != *sourceLen) return Z_BUF_ERROR; - - uncomp_stream_.next_out = dest; - uncomp_stream_.avail_out = (uInt)*destLen; - if ((uLong)uncomp_stream_.avail_out != *destLen) return Z_BUF_ERROR; - - if ( !first_chunk_ ) // only need to set up stream the first time through - return Z_OK; - - if (uncomp_init_) { // we've already initted it - err = inflateReset(&uncomp_stream_); - if (err != Z_OK) { - LOG(WARNING) - << "ERROR: Can't reset uncompress object; creating a new one"; - UncompressErrorInit(); - } - } - if (!uncomp_init_) { - uncomp_stream_.zalloc = (alloc_func)0; - uncomp_stream_.zfree = (free_func)0; - uncomp_stream_.opaque = (voidpf)0; - err = InflateInit(); - if (err != Z_OK) return err; - uncomp_init_ = true; - } - return Z_OK; -} - -// If you compressed your data a chunk at a time, with CompressChunk, -// you can uncompress it a chunk at a time with UncompressChunk. -// Only difference bewteen chunked and unchunked uncompression -// is the flush mode we use: Z_SYNC_FLUSH (chunked) or Z_FINISH (unchunked). -int ZLib::UncompressAtMostOrAll(Bytef *dest, uLongf *destLen, - const Bytef *source, uLong *sourceLen, - int flush_mode) { // Z_SYNC_FLUSH or Z_FINISH - int err = Z_OK; - - if ( (err=UncompressInit(dest, destLen, source, sourceLen)) != Z_OK ) { - LOG(WARNING) << "UncompressInit: Error: " << err << " SourceLen: " - << *sourceLen; - return err; - } - - // This is used to figure out how many output bytes we wrote *this chunk*: - const uLong old_total_out = uncomp_stream_.total_out; - - // This is used to figure out how many input bytes we read *this chunk*: - const uLong old_total_in = uncomp_stream_.total_in; - - // Some setup happens only for the first chunk we compress in a run - if ( first_chunk_ ) { - first_chunk_ = false; // so we don't do this again - - // For the first chunk *only* (to avoid infinite troubles), we let - // there be no actual data to uncompress. This sometimes triggers - // when the input is only the gzip header, say. - if ( *sourceLen == 0 ) { - *destLen = 0; - return Z_OK; - } - } - - // We'll uncompress as much as we can. If we end OK great, otherwise - // if we get an error that seems to be the gzip footer, we store the - // gzip footer and return OK, otherwise we return the error. - - // flush_mode is Z_SYNC_FLUSH for chunked mode, Z_FINISH for all mode. - err = inflate(&uncomp_stream_, flush_mode); - - // Figure out how many bytes of the input zlib slurped up: - const uLong bytes_read = uncomp_stream_.total_in - old_total_in; - CHECK_LE(source + bytes_read, source + *sourceLen); - *sourceLen = uncomp_stream_.avail_in; - - if ((err == Z_STREAM_END || err == Z_OK) // everything went ok - && uncomp_stream_.avail_in == 0) { // and we read it all - ; - } else if (err == Z_STREAM_END && uncomp_stream_.avail_in > 0) { - LOG(WARNING) - << "UncompressChunkOrAll: Received some extra data, bytes total: " - << uncomp_stream_.avail_in << " bytes: " - << string(reinterpret_cast(uncomp_stream_.next_in), - min(int(uncomp_stream_.avail_in), 20)); - UncompressErrorInit(); - return Z_DATA_ERROR; // what's the extra data for? - } else if (err != Z_OK && err != Z_STREAM_END && err != Z_BUF_ERROR) { - // an error happened - LOG(WARNING) << "UncompressChunkOrAll: Error: " << err - << " avail_out: " << uncomp_stream_.avail_out; - UncompressErrorInit(); - return err; - } else if (uncomp_stream_.avail_out == 0) { - err = Z_BUF_ERROR; - } - - assert(err == Z_OK || err == Z_BUF_ERROR || err == Z_STREAM_END); - if (err == Z_STREAM_END) - err = Z_OK; - - *destLen = uncomp_stream_.total_out - old_total_out; // size for this call - - return err; -} - -int ZLib::UncompressChunkOrAll(Bytef *dest, uLongf *destLen, - const Bytef *source, uLong sourceLen, - int flush_mode) { // Z_SYNC_FLUSH or Z_FINISH - const int ret = - UncompressAtMostOrAll(dest, destLen, source, &sourceLen, flush_mode); - if (ret == Z_BUF_ERROR) - UncompressErrorInit(); - return ret; -} - -int ZLib::UncompressAtMost(Bytef *dest, uLongf *destLen, - const Bytef *source, uLong *sourceLen) { - return UncompressAtMostOrAll(dest, destLen, source, sourceLen, Z_SYNC_FLUSH); -} - -// We make sure we've uncompressed everything, that is, the current -// uncompress stream is at a compressed-buffer-EOF boundary. In gzip -// mode, we also check the gzip footer to make sure we pass the gzip -// consistency checks. We RETURN true iff both types of checks pass. -bool ZLib::UncompressChunkDone() { - assert(!first_chunk_ && uncomp_init_); - // Make sure we're at the end-of-compressed-data point. This means - // if we call inflate with Z_FINISH we won't consume any input or - // write any output - Bytef dummyin, dummyout; - uLongf dummylen = 0; - if ( UncompressChunkOrAll(&dummyout, &dummylen, &dummyin, 0, Z_FINISH) - != Z_OK ) { - return false; - } - - // Make sure that when we exit, we can start a new round of chunks later - Reset(); - - return true; -} - -// Uncompresses the source buffer into the destination buffer. -// The destination buffer must be long enough to hold the entire -// decompressed contents. -// -// We only initialize the uncomp_stream once. Thereafter, we use -// inflateReset, which should be faster. -// -// Returns Z_OK on success, otherwise, it returns a zlib error code. -int ZLib::Uncompress(Bytef *dest, uLongf *destLen, - const Bytef *source, uLong sourceLen) { - int err; - if ( (err=UncompressChunkOrAll(dest, destLen, source, sourceLen, - Z_FINISH)) != Z_OK ) { - Reset(); // let us try to compress again - return err; - } - if ( !UncompressChunkDone() ) // calls Reset() - return Z_DATA_ERROR; - return Z_OK; // stream_end is ok -} - -#endif // HAVE_LIBZ - -} // namespace snappy diff --git a/deps/snappy-1.0.5/snappy-test.h b/deps/snappy-1.0.5/snappy-test.h deleted file mode 100644 index ef6a955..0000000 --- a/deps/snappy-1.0.5/snappy-test.h +++ /dev/null @@ -1,505 +0,0 @@ -// Copyright 2011 Google Inc. All Rights Reserved. -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// -// Various stubs for the unit tests for the open-source version of Snappy. - -#ifndef UTIL_SNAPPY_OPENSOURCE_SNAPPY_TEST_H_ -#define UTIL_SNAPPY_OPENSOURCE_SNAPPY_TEST_H_ - -#include "snappy-stubs-internal.h" - -#include -#include - -#ifdef HAVE_SYS_MMAN_H -#include -#endif - -#ifdef HAVE_SYS_RESOURCE_H -#include -#endif - -#include - -#ifdef HAVE_WINDOWS_H -#define WIN32_LEAN_AND_MEAN -#include -#endif - -#include - -#ifdef HAVE_GTEST - -#include -#undef TYPED_TEST -#define TYPED_TEST TEST -#define INIT_GTEST(argc, argv) ::testing::InitGoogleTest(argc, *argv) - -#else - -// Stubs for if the user doesn't have Google Test installed. - -#define TEST(test_case, test_subcase) \ - void Test_ ## test_case ## _ ## test_subcase() -#define INIT_GTEST(argc, argv) - -#define TYPED_TEST TEST -#define EXPECT_EQ CHECK_EQ -#define EXPECT_NE CHECK_NE -#define EXPECT_FALSE(cond) CHECK(!(cond)) - -#endif - -#ifdef HAVE_GFLAGS - -#include - -// This is tricky; both gflags and Google Test want to look at the command line -// arguments. Google Test seems to be the most happy with unknown arguments, -// though, so we call it first and hope for the best. -#define InitGoogle(argv0, argc, argv, remove_flags) \ - INIT_GTEST(argc, argv); \ - google::ParseCommandLineFlags(argc, argv, remove_flags); - -#else - -// If we don't have the gflags package installed, these can only be -// changed at compile time. -#define DEFINE_int32(flag_name, default_value, description) \ - static int FLAGS_ ## flag_name = default_value; - -#define InitGoogle(argv0, argc, argv, remove_flags) \ - INIT_GTEST(argc, argv) - -#endif - -#ifdef HAVE_LIBZ -#include "zlib.h" -#endif - -#ifdef HAVE_LIBLZO2 -#include "lzo/lzo1x.h" -#endif - -#ifdef HAVE_LIBLZF -extern "C" { -#include "lzf.h" -} -#endif - -#ifdef HAVE_LIBFASTLZ -#include "fastlz.h" -#endif - -#ifdef HAVE_LIBQUICKLZ -#include "quicklz.h" -#endif - -namespace { -namespace File { - void Init() { } - - void ReadFileToStringOrDie(const char* filename, string* data) { - FILE* fp = fopen(filename, "rb"); - if (fp == NULL) { - perror(filename); - exit(1); - } - - data->clear(); - while (!feof(fp)) { - char buf[4096]; - size_t ret = fread(buf, 1, 4096, fp); - if (ret == 0 && ferror(fp)) { - perror("fread"); - exit(1); - } - data->append(string(buf, ret)); - } - - fclose(fp); - } - - void ReadFileToStringOrDie(const string& filename, string* data) { - ReadFileToStringOrDie(filename.c_str(), data); - } - - void WriteStringToFileOrDie(const string& str, const char* filename) { - FILE* fp = fopen(filename, "wb"); - if (fp == NULL) { - perror(filename); - exit(1); - } - - int ret = fwrite(str.data(), str.size(), 1, fp); - if (ret != 1) { - perror("fwrite"); - exit(1); - } - - fclose(fp); - } -} // namespace File -} // namespace - -namespace snappy { - -#define FLAGS_test_random_seed 301 -typedef string TypeParam; - -void Test_CorruptedTest_VerifyCorrupted(); -void Test_Snappy_SimpleTests(); -void Test_Snappy_MaxBlowup(); -void Test_Snappy_RandomData(); -void Test_Snappy_FourByteOffset(); -void Test_SnappyCorruption_TruncatedVarint(); -void Test_SnappyCorruption_UnterminatedVarint(); -void Test_Snappy_ReadPastEndOfBuffer(); -void Test_Snappy_FindMatchLength(); -void Test_Snappy_FindMatchLengthRandom(); - -string ReadTestDataFile(const string& base); - -// A sprintf() variant that returns a std::string. -// Not safe for general use due to truncation issues. -string StringPrintf(const char* format, ...); - -// A simple, non-cryptographically-secure random generator. -class ACMRandom { - public: - explicit ACMRandom(uint32 seed) : seed_(seed) {} - - int32 Next(); - - int32 Uniform(int32 n) { - return Next() % n; - } - uint8 Rand8() { - return static_cast((Next() >> 1) & 0x000000ff); - } - bool OneIn(int X) { return Uniform(X) == 0; } - - // Skewed: pick "base" uniformly from range [0,max_log] and then - // return "base" random bits. The effect is to pick a number in the - // range [0,2^max_log-1] with bias towards smaller numbers. - int32 Skewed(int max_log); - - private: - static const uint32 M = 2147483647L; // 2^31-1 - uint32 seed_; -}; - -inline int32 ACMRandom::Next() { - static const uint64 A = 16807; // bits 14, 8, 7, 5, 2, 1, 0 - // We are computing - // seed_ = (seed_ * A) % M, where M = 2^31-1 - // - // seed_ must not be zero or M, or else all subsequent computed values - // will be zero or M respectively. For all other values, seed_ will end - // up cycling through every number in [1,M-1] - uint64 product = seed_ * A; - - // Compute (product % M) using the fact that ((x << 31) % M) == x. - seed_ = (product >> 31) + (product & M); - // The first reduction may overflow by 1 bit, so we may need to repeat. - // mod == M is not possible; using > allows the faster sign-bit-based test. - if (seed_ > M) { - seed_ -= M; - } - return seed_; -} - -inline int32 ACMRandom::Skewed(int max_log) { - const int32 base = (Next() - 1) % (max_log+1); - return (Next() - 1) & ((1u << base)-1); -} - -// A wall-time clock. This stub is not super-accurate, nor resistant to the -// system time changing. -class CycleTimer { - public: - CycleTimer() : real_time_us_(0) {} - - void Start() { -#ifdef WIN32 - QueryPerformanceCounter(&start_); -#else - gettimeofday(&start_, NULL); -#endif - } - - void Stop() { -#ifdef WIN32 - LARGE_INTEGER stop; - LARGE_INTEGER frequency; - QueryPerformanceCounter(&stop); - QueryPerformanceFrequency(&frequency); - - double elapsed = static_cast(stop.QuadPart - start_.QuadPart) / - frequency.QuadPart; - real_time_us_ += elapsed * 1e6 + 0.5; -#else - struct timeval stop; - gettimeofday(&stop, NULL); - - real_time_us_ += 1000000 * (stop.tv_sec - start_.tv_sec); - real_time_us_ += (stop.tv_usec - start_.tv_usec); -#endif - } - - double Get() { - return real_time_us_ * 1e-6; - } - - private: - int64 real_time_us_; -#ifdef WIN32 - LARGE_INTEGER start_; -#else - struct timeval start_; -#endif -}; - -// Minimalistic microbenchmark framework. - -typedef void (*BenchmarkFunction)(int, int); - -class Benchmark { - public: - Benchmark(const string& name, BenchmarkFunction function) : - name_(name), function_(function) {} - - Benchmark* DenseRange(int start, int stop) { - start_ = start; - stop_ = stop; - return this; - } - - void Run(); - - private: - const string name_; - const BenchmarkFunction function_; - int start_, stop_; -}; -#define BENCHMARK(benchmark_name) \ - Benchmark* Benchmark_ ## benchmark_name = \ - (new Benchmark(#benchmark_name, benchmark_name)) - -extern Benchmark* Benchmark_BM_UFlat; -extern Benchmark* Benchmark_BM_UValidate; -extern Benchmark* Benchmark_BM_ZFlat; - -void ResetBenchmarkTiming(); -void StartBenchmarkTiming(); -void StopBenchmarkTiming(); -void SetBenchmarkLabel(const string& str); -void SetBenchmarkBytesProcessed(int64 bytes); - -#ifdef HAVE_LIBZ - -// Object-oriented wrapper around zlib. -class ZLib { - public: - ZLib(); - ~ZLib(); - - // Wipe a ZLib object to a virgin state. This differs from Reset() - // in that it also breaks any state. - void Reinit(); - - // Call this to make a zlib buffer as good as new. Here's the only - // case where they differ: - // CompressChunk(a); CompressChunk(b); CompressChunkDone(); vs - // CompressChunk(a); Reset(); CompressChunk(b); CompressChunkDone(); - // You'll want to use Reset(), then, when you interrupt a compress - // (or uncompress) in the middle of a chunk and want to start over. - void Reset(); - - // According to the zlib manual, when you Compress, the destination - // buffer must have size at least src + .1%*src + 12. This function - // helps you calculate that. Augment this to account for a potential - // gzip header and footer, plus a few bytes of slack. - static int MinCompressbufSize(int uncompress_size) { - return uncompress_size + uncompress_size/1000 + 40; - } - - // Compresses the source buffer into the destination buffer. - // sourceLen is the byte length of the source buffer. - // Upon entry, destLen is the total size of the destination buffer, - // which must be of size at least MinCompressbufSize(sourceLen). - // Upon exit, destLen is the actual size of the compressed buffer. - // - // This function can be used to compress a whole file at once if the - // input file is mmap'ed. - // - // Returns Z_OK if success, Z_MEM_ERROR if there was not - // enough memory, Z_BUF_ERROR if there was not enough room in the - // output buffer. Note that if the output buffer is exactly the same - // size as the compressed result, we still return Z_BUF_ERROR. - // (check CL#1936076) - int Compress(Bytef *dest, uLongf *destLen, - const Bytef *source, uLong sourceLen); - - // Uncompresses the source buffer into the destination buffer. - // The destination buffer must be long enough to hold the entire - // decompressed contents. - // - // Returns Z_OK on success, otherwise, it returns a zlib error code. - int Uncompress(Bytef *dest, uLongf *destLen, - const Bytef *source, uLong sourceLen); - - // Uncompress data one chunk at a time -- ie you can call this - // more than once. To get this to work you need to call per-chunk - // and "done" routines. - // - // Returns Z_OK if success, Z_MEM_ERROR if there was not - // enough memory, Z_BUF_ERROR if there was not enough room in the - // output buffer. - - int UncompressAtMost(Bytef *dest, uLongf *destLen, - const Bytef *source, uLong *sourceLen); - - // Checks gzip footer information, as needed. Mostly this just - // makes sure the checksums match. Whenever you call this, it - // will assume the last 8 bytes from the previous UncompressChunk - // call are the footer. Returns true iff everything looks ok. - bool UncompressChunkDone(); - - private: - int InflateInit(); // sets up the zlib inflate structure - int DeflateInit(); // sets up the zlib deflate structure - - // These init the zlib data structures for compressing/uncompressing - int CompressInit(Bytef *dest, uLongf *destLen, - const Bytef *source, uLong *sourceLen); - int UncompressInit(Bytef *dest, uLongf *destLen, - const Bytef *source, uLong *sourceLen); - // Initialization method to be called if we hit an error while - // uncompressing. On hitting an error, call this method before - // returning the error. - void UncompressErrorInit(); - - // Helper function for Compress - int CompressChunkOrAll(Bytef *dest, uLongf *destLen, - const Bytef *source, uLong sourceLen, - int flush_mode); - int CompressAtMostOrAll(Bytef *dest, uLongf *destLen, - const Bytef *source, uLong *sourceLen, - int flush_mode); - - // Likewise for UncompressAndUncompressChunk - int UncompressChunkOrAll(Bytef *dest, uLongf *destLen, - const Bytef *source, uLong sourceLen, - int flush_mode); - - int UncompressAtMostOrAll(Bytef *dest, uLongf *destLen, - const Bytef *source, uLong *sourceLen, - int flush_mode); - - // Initialization method to be called if we hit an error while - // compressing. On hitting an error, call this method before - // returning the error. - void CompressErrorInit(); - - int compression_level_; // compression level - int window_bits_; // log base 2 of the window size used in compression - int mem_level_; // specifies the amount of memory to be used by - // compressor (1-9) - z_stream comp_stream_; // Zlib stream data structure - bool comp_init_; // True if we have initialized comp_stream_ - z_stream uncomp_stream_; // Zlib stream data structure - bool uncomp_init_; // True if we have initialized uncomp_stream_ - - // These are used only with chunked compression. - bool first_chunk_; // true if we need to emit headers with this chunk -}; - -#endif // HAVE_LIBZ - -} // namespace snappy - -DECLARE_bool(run_microbenchmarks); - -static void RunSpecifiedBenchmarks() { - if (!FLAGS_run_microbenchmarks) { - return; - } - - fprintf(stderr, "Running microbenchmarks.\n"); -#ifndef NDEBUG - fprintf(stderr, "WARNING: Compiled with assertions enabled, will be slow.\n"); -#endif -#ifndef __OPTIMIZE__ - fprintf(stderr, "WARNING: Compiled without optimization, will be slow.\n"); -#endif - fprintf(stderr, "Benchmark Time(ns) CPU(ns) Iterations\n"); - fprintf(stderr, "---------------------------------------------------\n"); - - snappy::Benchmark_BM_UFlat->Run(); - snappy::Benchmark_BM_UValidate->Run(); - snappy::Benchmark_BM_ZFlat->Run(); - - fprintf(stderr, "\n"); -} - -#ifndef HAVE_GTEST - -static inline int RUN_ALL_TESTS() { - fprintf(stderr, "Running correctness tests.\n"); - snappy::Test_CorruptedTest_VerifyCorrupted(); - snappy::Test_Snappy_SimpleTests(); - snappy::Test_Snappy_MaxBlowup(); - snappy::Test_Snappy_RandomData(); - snappy::Test_Snappy_FourByteOffset(); - snappy::Test_SnappyCorruption_TruncatedVarint(); - snappy::Test_SnappyCorruption_UnterminatedVarint(); - snappy::Test_Snappy_ReadPastEndOfBuffer(); - snappy::Test_Snappy_FindMatchLength(); - snappy::Test_Snappy_FindMatchLengthRandom(); - fprintf(stderr, "All tests passed.\n"); - - return 0; -} - -#endif // HAVE_GTEST - -// For main(). -namespace snappy { - -static void CompressFile(const char* fname); -static void UncompressFile(const char* fname); -static void MeasureFile(const char* fname); - -} // namespace - -using snappy::CompressFile; -using snappy::UncompressFile; -using snappy::MeasureFile; - -#endif // UTIL_SNAPPY_OPENSOURCE_SNAPPY_TEST_H_ diff --git a/deps/snappy-1.0.5/snappy.cc b/deps/snappy-1.0.5/snappy.cc deleted file mode 100644 index 4d4eb42..0000000 --- a/deps/snappy-1.0.5/snappy.cc +++ /dev/null @@ -1,1111 +0,0 @@ -// Copyright 2005 Google Inc. All Rights Reserved. -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -#include "snappy.h" -#include "snappy-internal.h" -#include "snappy-sinksource.h" - -#include - -#include -#include -#include - - -namespace snappy { - -// Any hash function will produce a valid compressed bitstream, but a good -// hash function reduces the number of collisions and thus yields better -// compression for compressible input, and more speed for incompressible -// input. Of course, it doesn't hurt if the hash function is reasonably fast -// either, as it gets called a lot. -static inline uint32 HashBytes(uint32 bytes, int shift) { - uint32 kMul = 0x1e35a7bd; - return (bytes * kMul) >> shift; -} -static inline uint32 Hash(const char* p, int shift) { - return HashBytes(UNALIGNED_LOAD32(p), shift); -} - -size_t MaxCompressedLength(size_t source_len) { - // Compressed data can be defined as: - // compressed := item* literal* - // item := literal* copy - // - // The trailing literal sequence has a space blowup of at most 62/60 - // since a literal of length 60 needs one tag byte + one extra byte - // for length information. - // - // Item blowup is trickier to measure. Suppose the "copy" op copies - // 4 bytes of data. Because of a special check in the encoding code, - // we produce a 4-byte copy only if the offset is < 65536. Therefore - // the copy op takes 3 bytes to encode, and this type of item leads - // to at most the 62/60 blowup for representing literals. - // - // Suppose the "copy" op copies 5 bytes of data. If the offset is big - // enough, it will take 5 bytes to encode the copy op. Therefore the - // worst case here is a one-byte literal followed by a five-byte copy. - // I.e., 6 bytes of input turn into 7 bytes of "compressed" data. - // - // This last factor dominates the blowup, so the final estimate is: - return 32 + source_len + source_len/6; -} - -enum { - LITERAL = 0, - COPY_1_BYTE_OFFSET = 1, // 3 bit length + 3 bits of offset in opcode - COPY_2_BYTE_OFFSET = 2, - COPY_4_BYTE_OFFSET = 3 -}; - -// Copy "len" bytes from "src" to "op", one byte at a time. Used for -// handling COPY operations where the input and output regions may -// overlap. For example, suppose: -// src == "ab" -// op == src + 2 -// len == 20 -// After IncrementalCopy(src, op, len), the result will have -// eleven copies of "ab" -// ababababababababababab -// Note that this does not match the semantics of either memcpy() -// or memmove(). -static inline void IncrementalCopy(const char* src, char* op, int len) { - DCHECK_GT(len, 0); - do { - *op++ = *src++; - } while (--len > 0); -} - -// Equivalent to IncrementalCopy except that it can write up to ten extra -// bytes after the end of the copy, and that it is faster. -// -// The main part of this loop is a simple copy of eight bytes at a time until -// we've copied (at least) the requested amount of bytes. However, if op and -// src are less than eight bytes apart (indicating a repeating pattern of -// length < 8), we first need to expand the pattern in order to get the correct -// results. For instance, if the buffer looks like this, with the eight-byte -// and patterns marked as intervals: -// -// abxxxxxxxxxxxx -// [------] src -// [------] op -// -// a single eight-byte copy from to will repeat the pattern once, -// after which we can move two bytes without moving : -// -// ababxxxxxxxxxx -// [------] src -// [------] op -// -// and repeat the exercise until the two no longer overlap. -// -// This allows us to do very well in the special case of one single byte -// repeated many times, without taking a big hit for more general cases. -// -// The worst case of extra writing past the end of the match occurs when -// op - src == 1 and len == 1; the last copy will read from byte positions -// [0..7] and write to [4..11], whereas it was only supposed to write to -// position 1. Thus, ten excess bytes. - -namespace { - -const int kMaxIncrementCopyOverflow = 10; - -} // namespace - -static inline void IncrementalCopyFastPath(const char* src, char* op, int len) { - while (op - src < 8) { - UnalignedCopy64(src, op); - len -= op - src; - op += op - src; - } - while (len > 0) { - UnalignedCopy64(src, op); - src += 8; - op += 8; - len -= 8; - } -} - -static inline char* EmitLiteral(char* op, - const char* literal, - int len, - bool allow_fast_path) { - int n = len - 1; // Zero-length literals are disallowed - if (n < 60) { - // Fits in tag byte - *op++ = LITERAL | (n << 2); - - // The vast majority of copies are below 16 bytes, for which a - // call to memcpy is overkill. This fast path can sometimes - // copy up to 15 bytes too much, but that is okay in the - // main loop, since we have a bit to go on for both sides: - // - // - The input will always have kInputMarginBytes = 15 extra - // available bytes, as long as we're in the main loop, and - // if not, allow_fast_path = false. - // - The output will always have 32 spare bytes (see - // MaxCompressedLength). - if (allow_fast_path && len <= 16) { - UnalignedCopy64(literal, op); - UnalignedCopy64(literal + 8, op + 8); - return op + len; - } - } else { - // Encode in upcoming bytes - char* base = op; - int count = 0; - op++; - while (n > 0) { - *op++ = n & 0xff; - n >>= 8; - count++; - } - assert(count >= 1); - assert(count <= 4); - *base = LITERAL | ((59+count) << 2); - } - memcpy(op, literal, len); - return op + len; -} - -static inline char* EmitCopyLessThan64(char* op, size_t offset, int len) { - DCHECK_LE(len, 64); - DCHECK_GE(len, 4); - DCHECK_LT(offset, 65536); - - if ((len < 12) && (offset < 2048)) { - size_t len_minus_4 = len - 4; - assert(len_minus_4 < 8); // Must fit in 3 bits - *op++ = COPY_1_BYTE_OFFSET | ((len_minus_4) << 2) | ((offset >> 8) << 5); - *op++ = offset & 0xff; - } else { - *op++ = COPY_2_BYTE_OFFSET | ((len-1) << 2); - LittleEndian::Store16(op, offset); - op += 2; - } - return op; -} - -static inline char* EmitCopy(char* op, size_t offset, int len) { - // Emit 64 byte copies but make sure to keep at least four bytes reserved - while (len >= 68) { - op = EmitCopyLessThan64(op, offset, 64); - len -= 64; - } - - // Emit an extra 60 byte copy if have too much data to fit in one copy - if (len > 64) { - op = EmitCopyLessThan64(op, offset, 60); - len -= 60; - } - - // Emit remainder - op = EmitCopyLessThan64(op, offset, len); - return op; -} - - -bool GetUncompressedLength(const char* start, size_t n, size_t* result) { - uint32 v = 0; - const char* limit = start + n; - if (Varint::Parse32WithLimit(start, limit, &v) != NULL) { - *result = v; - return true; - } else { - return false; - } -} - -namespace internal { -uint16* WorkingMemory::GetHashTable(size_t input_size, int* table_size) { - // Use smaller hash table when input.size() is smaller, since we - // fill the table, incurring O(hash table size) overhead for - // compression, and if the input is short, we won't need that - // many hash table entries anyway. - assert(kMaxHashTableSize >= 256); - size_t htsize = 256; - while (htsize < kMaxHashTableSize && htsize < input_size) { - htsize <<= 1; - } - CHECK_EQ(0, htsize & (htsize - 1)) << ": must be power of two"; - CHECK_LE(htsize, kMaxHashTableSize) << ": hash table too large"; - - uint16* table; - if (htsize <= ARRAYSIZE(small_table_)) { - table = small_table_; - } else { - if (large_table_ == NULL) { - large_table_ = new uint16[kMaxHashTableSize]; - } - table = large_table_; - } - - *table_size = htsize; - memset(table, 0, htsize * sizeof(*table)); - return table; -} -} // end namespace internal - -// For 0 <= offset <= 4, GetUint32AtOffset(GetEightBytesAt(p), offset) will -// equal UNALIGNED_LOAD32(p + offset). Motivation: On x86-64 hardware we have -// empirically found that overlapping loads such as -// UNALIGNED_LOAD32(p) ... UNALIGNED_LOAD32(p+1) ... UNALIGNED_LOAD32(p+2) -// are slower than UNALIGNED_LOAD64(p) followed by shifts and casts to uint32. -// -// We have different versions for 64- and 32-bit; ideally we would avoid the -// two functions and just inline the UNALIGNED_LOAD64 call into -// GetUint32AtOffset, but GCC (at least not as of 4.6) is seemingly not clever -// enough to avoid loading the value multiple times then. For 64-bit, the load -// is done when GetEightBytesAt() is called, whereas for 32-bit, the load is -// done at GetUint32AtOffset() time. - -#ifdef ARCH_K8 - -typedef uint64 EightBytesReference; - -static inline EightBytesReference GetEightBytesAt(const char* ptr) { - return UNALIGNED_LOAD64(ptr); -} - -static inline uint32 GetUint32AtOffset(uint64 v, int offset) { - DCHECK_GE(offset, 0); - DCHECK_LE(offset, 4); - return v >> (LittleEndian::IsLittleEndian() ? 8 * offset : 32 - 8 * offset); -} - -#else - -typedef const char* EightBytesReference; - -static inline EightBytesReference GetEightBytesAt(const char* ptr) { - return ptr; -} - -static inline uint32 GetUint32AtOffset(const char* v, int offset) { - DCHECK_GE(offset, 0); - DCHECK_LE(offset, 4); - return UNALIGNED_LOAD32(v + offset); -} - -#endif - -// Flat array compression that does not emit the "uncompressed length" -// prefix. Compresses "input" string to the "*op" buffer. -// -// REQUIRES: "input" is at most "kBlockSize" bytes long. -// REQUIRES: "op" points to an array of memory that is at least -// "MaxCompressedLength(input.size())" in size. -// REQUIRES: All elements in "table[0..table_size-1]" are initialized to zero. -// REQUIRES: "table_size" is a power of two -// -// Returns an "end" pointer into "op" buffer. -// "end - op" is the compressed size of "input". -namespace internal { -char* CompressFragment(const char* input, - size_t input_size, - char* op, - uint16* table, - const int table_size) { - // "ip" is the input pointer, and "op" is the output pointer. - const char* ip = input; - CHECK_LE(input_size, kBlockSize); - CHECK_EQ(table_size & (table_size - 1), 0) << ": table must be power of two"; - const int shift = 32 - Bits::Log2Floor(table_size); - DCHECK_EQ(static_cast(kuint32max >> shift), table_size - 1); - const char* ip_end = input + input_size; - const char* base_ip = ip; - // Bytes in [next_emit, ip) will be emitted as literal bytes. Or - // [next_emit, ip_end) after the main loop. - const char* next_emit = ip; - - const size_t kInputMarginBytes = 15; - if (PREDICT_TRUE(input_size >= kInputMarginBytes)) { - const char* ip_limit = input + input_size - kInputMarginBytes; - - for (uint32 next_hash = Hash(++ip, shift); ; ) { - DCHECK_LT(next_emit, ip); - // The body of this loop calls EmitLiteral once and then EmitCopy one or - // more times. (The exception is that when we're close to exhausting - // the input we goto emit_remainder.) - // - // In the first iteration of this loop we're just starting, so - // there's nothing to copy, so calling EmitLiteral once is - // necessary. And we only start a new iteration when the - // current iteration has determined that a call to EmitLiteral will - // precede the next call to EmitCopy (if any). - // - // Step 1: Scan forward in the input looking for a 4-byte-long match. - // If we get close to exhausting the input then goto emit_remainder. - // - // Heuristic match skipping: If 32 bytes are scanned with no matches - // found, start looking only at every other byte. If 32 more bytes are - // scanned, look at every third byte, etc.. When a match is found, - // immediately go back to looking at every byte. This is a small loss - // (~5% performance, ~0.1% density) for compressible data due to more - // bookkeeping, but for non-compressible data (such as JPEG) it's a huge - // win since the compressor quickly "realizes" the data is incompressible - // and doesn't bother looking for matches everywhere. - // - // The "skip" variable keeps track of how many bytes there are since the - // last match; dividing it by 32 (ie. right-shifting by five) gives the - // number of bytes to move ahead for each iteration. - uint32 skip = 32; - - const char* next_ip = ip; - const char* candidate; - do { - ip = next_ip; - uint32 hash = next_hash; - DCHECK_EQ(hash, Hash(ip, shift)); - uint32 bytes_between_hash_lookups = skip++ >> 5; - next_ip = ip + bytes_between_hash_lookups; - if (PREDICT_FALSE(next_ip > ip_limit)) { - goto emit_remainder; - } - next_hash = Hash(next_ip, shift); - candidate = base_ip + table[hash]; - DCHECK_GE(candidate, base_ip); - DCHECK_LT(candidate, ip); - - table[hash] = ip - base_ip; - } while (PREDICT_TRUE(UNALIGNED_LOAD32(ip) != - UNALIGNED_LOAD32(candidate))); - - // Step 2: A 4-byte match has been found. We'll later see if more - // than 4 bytes match. But, prior to the match, input - // bytes [next_emit, ip) are unmatched. Emit them as "literal bytes." - DCHECK_LE(next_emit + 16, ip_end); - op = EmitLiteral(op, next_emit, ip - next_emit, true); - - // Step 3: Call EmitCopy, and then see if another EmitCopy could - // be our next move. Repeat until we find no match for the - // input immediately after what was consumed by the last EmitCopy call. - // - // If we exit this loop normally then we need to call EmitLiteral next, - // though we don't yet know how big the literal will be. We handle that - // by proceeding to the next iteration of the main loop. We also can exit - // this loop via goto if we get close to exhausting the input. - EightBytesReference input_bytes; - uint32 candidate_bytes = 0; - - do { - // We have a 4-byte match at ip, and no need to emit any - // "literal bytes" prior to ip. - const char* base = ip; - int matched = 4 + FindMatchLength(candidate + 4, ip + 4, ip_end); - ip += matched; - size_t offset = base - candidate; - DCHECK_EQ(0, memcmp(base, candidate, matched)); - op = EmitCopy(op, offset, matched); - // We could immediately start working at ip now, but to improve - // compression we first update table[Hash(ip - 1, ...)]. - const char* insert_tail = ip - 1; - next_emit = ip; - if (PREDICT_FALSE(ip >= ip_limit)) { - goto emit_remainder; - } - input_bytes = GetEightBytesAt(insert_tail); - uint32 prev_hash = HashBytes(GetUint32AtOffset(input_bytes, 0), shift); - table[prev_hash] = ip - base_ip - 1; - uint32 cur_hash = HashBytes(GetUint32AtOffset(input_bytes, 1), shift); - candidate = base_ip + table[cur_hash]; - candidate_bytes = UNALIGNED_LOAD32(candidate); - table[cur_hash] = ip - base_ip; - } while (GetUint32AtOffset(input_bytes, 1) == candidate_bytes); - - next_hash = HashBytes(GetUint32AtOffset(input_bytes, 2), shift); - ++ip; - } - } - - emit_remainder: - // Emit the remaining bytes as a literal - if (next_emit < ip_end) { - op = EmitLiteral(op, next_emit, ip_end - next_emit, false); - } - - return op; -} -} // end namespace internal - -// Signature of output types needed by decompression code. -// The decompression code is templatized on a type that obeys this -// signature so that we do not pay virtual function call overhead in -// the middle of a tight decompression loop. -// -// class DecompressionWriter { -// public: -// // Called before decompression -// void SetExpectedLength(size_t length); -// -// // Called after decompression -// bool CheckLength() const; -// -// // Called repeatedly during decompression -// bool Append(const char* ip, size_t length); -// bool AppendFromSelf(uint32 offset, size_t length); -// -// // The difference between TryFastAppend and Append is that TryFastAppend -// // is allowed to read up to bytes from the input buffer, -// // whereas Append is allowed to read . -// // -// // Also, TryFastAppend is allowed to return false, declining the append, -// // without it being a fatal error -- just "return false" would be -// // a perfectly legal implementation of TryFastAppend. The intention -// // is for TryFastAppend to allow a fast path in the common case of -// // a small append. -// // -// // NOTE(user): TryFastAppend must always return decline (return false) -// // if is 61 or more, as in this case the literal length is not -// // decoded fully. In practice, this should not be a big problem, -// // as it is unlikely that one would implement a fast path accepting -// // this much data. -// bool TryFastAppend(const char* ip, size_t available, size_t length); -// }; - -// ----------------------------------------------------------------------- -// Lookup table for decompression code. Generated by ComputeTable() below. -// ----------------------------------------------------------------------- - -// Mapping from i in range [0,4] to a mask to extract the bottom 8*i bits -static const uint32 wordmask[] = { - 0u, 0xffu, 0xffffu, 0xffffffu, 0xffffffffu -}; - -// Data stored per entry in lookup table: -// Range Bits-used Description -// ------------------------------------ -// 1..64 0..7 Literal/copy length encoded in opcode byte -// 0..7 8..10 Copy offset encoded in opcode byte / 256 -// 0..4 11..13 Extra bytes after opcode -// -// We use eight bits for the length even though 7 would have sufficed -// because of efficiency reasons: -// (1) Extracting a byte is faster than a bit-field -// (2) It properly aligns copy offset so we do not need a <<8 -static const uint16 char_table[256] = { - 0x0001, 0x0804, 0x1001, 0x2001, 0x0002, 0x0805, 0x1002, 0x2002, - 0x0003, 0x0806, 0x1003, 0x2003, 0x0004, 0x0807, 0x1004, 0x2004, - 0x0005, 0x0808, 0x1005, 0x2005, 0x0006, 0x0809, 0x1006, 0x2006, - 0x0007, 0x080a, 0x1007, 0x2007, 0x0008, 0x080b, 0x1008, 0x2008, - 0x0009, 0x0904, 0x1009, 0x2009, 0x000a, 0x0905, 0x100a, 0x200a, - 0x000b, 0x0906, 0x100b, 0x200b, 0x000c, 0x0907, 0x100c, 0x200c, - 0x000d, 0x0908, 0x100d, 0x200d, 0x000e, 0x0909, 0x100e, 0x200e, - 0x000f, 0x090a, 0x100f, 0x200f, 0x0010, 0x090b, 0x1010, 0x2010, - 0x0011, 0x0a04, 0x1011, 0x2011, 0x0012, 0x0a05, 0x1012, 0x2012, - 0x0013, 0x0a06, 0x1013, 0x2013, 0x0014, 0x0a07, 0x1014, 0x2014, - 0x0015, 0x0a08, 0x1015, 0x2015, 0x0016, 0x0a09, 0x1016, 0x2016, - 0x0017, 0x0a0a, 0x1017, 0x2017, 0x0018, 0x0a0b, 0x1018, 0x2018, - 0x0019, 0x0b04, 0x1019, 0x2019, 0x001a, 0x0b05, 0x101a, 0x201a, - 0x001b, 0x0b06, 0x101b, 0x201b, 0x001c, 0x0b07, 0x101c, 0x201c, - 0x001d, 0x0b08, 0x101d, 0x201d, 0x001e, 0x0b09, 0x101e, 0x201e, - 0x001f, 0x0b0a, 0x101f, 0x201f, 0x0020, 0x0b0b, 0x1020, 0x2020, - 0x0021, 0x0c04, 0x1021, 0x2021, 0x0022, 0x0c05, 0x1022, 0x2022, - 0x0023, 0x0c06, 0x1023, 0x2023, 0x0024, 0x0c07, 0x1024, 0x2024, - 0x0025, 0x0c08, 0x1025, 0x2025, 0x0026, 0x0c09, 0x1026, 0x2026, - 0x0027, 0x0c0a, 0x1027, 0x2027, 0x0028, 0x0c0b, 0x1028, 0x2028, - 0x0029, 0x0d04, 0x1029, 0x2029, 0x002a, 0x0d05, 0x102a, 0x202a, - 0x002b, 0x0d06, 0x102b, 0x202b, 0x002c, 0x0d07, 0x102c, 0x202c, - 0x002d, 0x0d08, 0x102d, 0x202d, 0x002e, 0x0d09, 0x102e, 0x202e, - 0x002f, 0x0d0a, 0x102f, 0x202f, 0x0030, 0x0d0b, 0x1030, 0x2030, - 0x0031, 0x0e04, 0x1031, 0x2031, 0x0032, 0x0e05, 0x1032, 0x2032, - 0x0033, 0x0e06, 0x1033, 0x2033, 0x0034, 0x0e07, 0x1034, 0x2034, - 0x0035, 0x0e08, 0x1035, 0x2035, 0x0036, 0x0e09, 0x1036, 0x2036, - 0x0037, 0x0e0a, 0x1037, 0x2037, 0x0038, 0x0e0b, 0x1038, 0x2038, - 0x0039, 0x0f04, 0x1039, 0x2039, 0x003a, 0x0f05, 0x103a, 0x203a, - 0x003b, 0x0f06, 0x103b, 0x203b, 0x003c, 0x0f07, 0x103c, 0x203c, - 0x0801, 0x0f08, 0x103d, 0x203d, 0x1001, 0x0f09, 0x103e, 0x203e, - 0x1801, 0x0f0a, 0x103f, 0x203f, 0x2001, 0x0f0b, 0x1040, 0x2040 -}; - -// In debug mode, allow optional computation of the table at startup. -// Also, check that the decompression table is correct. -#ifndef NDEBUG -DEFINE_bool(snappy_dump_decompression_table, false, - "If true, we print the decompression table at startup."); - -static uint16 MakeEntry(unsigned int extra, - unsigned int len, - unsigned int copy_offset) { - // Check that all of the fields fit within the allocated space - DCHECK_EQ(extra, extra & 0x7); // At most 3 bits - DCHECK_EQ(copy_offset, copy_offset & 0x7); // At most 3 bits - DCHECK_EQ(len, len & 0x7f); // At most 7 bits - return len | (copy_offset << 8) | (extra << 11); -} - -static void ComputeTable() { - uint16 dst[256]; - - // Place invalid entries in all places to detect missing initialization - int assigned = 0; - for (int i = 0; i < 256; i++) { - dst[i] = 0xffff; - } - - // Small LITERAL entries. We store (len-1) in the top 6 bits. - for (unsigned int len = 1; len <= 60; len++) { - dst[LITERAL | ((len-1) << 2)] = MakeEntry(0, len, 0); - assigned++; - } - - // Large LITERAL entries. We use 60..63 in the high 6 bits to - // encode the number of bytes of length info that follow the opcode. - for (unsigned int extra_bytes = 1; extra_bytes <= 4; extra_bytes++) { - // We set the length field in the lookup table to 1 because extra - // bytes encode len-1. - dst[LITERAL | ((extra_bytes+59) << 2)] = MakeEntry(extra_bytes, 1, 0); - assigned++; - } - - // COPY_1_BYTE_OFFSET. - // - // The tag byte in the compressed data stores len-4 in 3 bits, and - // offset/256 in 5 bits. offset%256 is stored in the next byte. - // - // This format is used for length in range [4..11] and offset in - // range [0..2047] - for (unsigned int len = 4; len < 12; len++) { - for (unsigned int offset = 0; offset < 2048; offset += 256) { - dst[COPY_1_BYTE_OFFSET | ((len-4)<<2) | ((offset>>8)<<5)] = - MakeEntry(1, len, offset>>8); - assigned++; - } - } - - // COPY_2_BYTE_OFFSET. - // Tag contains len-1 in top 6 bits, and offset in next two bytes. - for (unsigned int len = 1; len <= 64; len++) { - dst[COPY_2_BYTE_OFFSET | ((len-1)<<2)] = MakeEntry(2, len, 0); - assigned++; - } - - // COPY_4_BYTE_OFFSET. - // Tag contents len-1 in top 6 bits, and offset in next four bytes. - for (unsigned int len = 1; len <= 64; len++) { - dst[COPY_4_BYTE_OFFSET | ((len-1)<<2)] = MakeEntry(4, len, 0); - assigned++; - } - - // Check that each entry was initialized exactly once. - CHECK_EQ(assigned, 256); - for (int i = 0; i < 256; i++) { - CHECK_NE(dst[i], 0xffff); - } - - if (FLAGS_snappy_dump_decompression_table) { - printf("static const uint16 char_table[256] = {\n "); - for (int i = 0; i < 256; i++) { - printf("0x%04x%s", - dst[i], - ((i == 255) ? "\n" : (((i%8) == 7) ? ",\n " : ", "))); - } - printf("};\n"); - } - - // Check that computed table matched recorded table - for (int i = 0; i < 256; i++) { - CHECK_EQ(dst[i], char_table[i]); - } -} -#endif /* !NDEBUG */ - -// Helper class for decompression -class SnappyDecompressor { - private: - Source* reader_; // Underlying source of bytes to decompress - const char* ip_; // Points to next buffered byte - const char* ip_limit_; // Points just past buffered bytes - uint32 peeked_; // Bytes peeked from reader (need to skip) - bool eof_; // Hit end of input without an error? - char scratch_[5]; // Temporary buffer for PeekFast() boundaries - - // Ensure that all of the tag metadata for the next tag is available - // in [ip_..ip_limit_-1]. Also ensures that [ip,ip+4] is readable even - // if (ip_limit_ - ip_ < 5). - // - // Returns true on success, false on error or end of input. - bool RefillTag(); - - public: - explicit SnappyDecompressor(Source* reader) - : reader_(reader), - ip_(NULL), - ip_limit_(NULL), - peeked_(0), - eof_(false) { - } - - ~SnappyDecompressor() { - // Advance past any bytes we peeked at from the reader - reader_->Skip(peeked_); - } - - // Returns true iff we have hit the end of the input without an error. - bool eof() const { - return eof_; - } - - // Read the uncompressed length stored at the start of the compressed data. - // On succcess, stores the length in *result and returns true. - // On failure, returns false. - bool ReadUncompressedLength(uint32* result) { - DCHECK(ip_ == NULL); // Must not have read anything yet - // Length is encoded in 1..5 bytes - *result = 0; - uint32 shift = 0; - while (true) { - if (shift >= 32) return false; - size_t n; - const char* ip = reader_->Peek(&n); - if (n == 0) return false; - const unsigned char c = *(reinterpret_cast(ip)); - reader_->Skip(1); - *result |= static_cast(c & 0x7f) << shift; - if (c < 128) { - break; - } - shift += 7; - } - return true; - } - - // Process the next item found in the input. - // Returns true if successful, false on error or end of input. - template - void DecompressAllTags(Writer* writer) { - const char* ip = ip_; - - // We could have put this refill fragment only at the beginning of the loop. - // However, duplicating it at the end of each branch gives the compiler more - // scope to optimize the expression based on the local - // context, which overall increases speed. - #define MAYBE_REFILL() \ - if (ip_limit_ - ip < 5) { \ - ip_ = ip; \ - if (!RefillTag()) return; \ - ip = ip_; \ - } - - MAYBE_REFILL(); - for ( ;; ) { - const unsigned char c = *(reinterpret_cast(ip++)); - - if ((c & 0x3) == LITERAL) { - size_t literal_length = (c >> 2) + 1u; - if (writer->TryFastAppend(ip, ip_limit_ - ip, literal_length)) { - DCHECK_LT(literal_length, 61); - ip += literal_length; - MAYBE_REFILL(); - continue; - } - if (PREDICT_FALSE(literal_length >= 61)) { - // Long literal. - const size_t literal_length_length = literal_length - 60; - literal_length = - (LittleEndian::Load32(ip) & wordmask[literal_length_length]) + 1; - ip += literal_length_length; - } - - size_t avail = ip_limit_ - ip; - while (avail < literal_length) { - if (!writer->Append(ip, avail)) return; - literal_length -= avail; - reader_->Skip(peeked_); - size_t n; - ip = reader_->Peek(&n); - avail = n; - peeked_ = avail; - if (avail == 0) return; // Premature end of input - ip_limit_ = ip + avail; - } - if (!writer->Append(ip, literal_length)) { - return; - } - ip += literal_length; - MAYBE_REFILL(); - } else { - const uint32 entry = char_table[c]; - const uint32 trailer = LittleEndian::Load32(ip) & wordmask[entry >> 11]; - const uint32 length = entry & 0xff; - ip += entry >> 11; - - // copy_offset/256 is encoded in bits 8..10. By just fetching - // those bits, we get copy_offset (since the bit-field starts at - // bit 8). - const uint32 copy_offset = entry & 0x700; - if (!writer->AppendFromSelf(copy_offset + trailer, length)) { - return; - } - MAYBE_REFILL(); - } - } - -#undef MAYBE_REFILL - } -}; - -bool SnappyDecompressor::RefillTag() { - const char* ip = ip_; - if (ip == ip_limit_) { - // Fetch a new fragment from the reader - reader_->Skip(peeked_); // All peeked bytes are used up - size_t n; - ip = reader_->Peek(&n); - peeked_ = n; - if (n == 0) { - eof_ = true; - return false; - } - ip_limit_ = ip + n; - } - - // Read the tag character - DCHECK_LT(ip, ip_limit_); - const unsigned char c = *(reinterpret_cast(ip)); - const uint32 entry = char_table[c]; - const uint32 needed = (entry >> 11) + 1; // +1 byte for 'c' - DCHECK_LE(needed, sizeof(scratch_)); - - // Read more bytes from reader if needed - uint32 nbuf = ip_limit_ - ip; - if (nbuf < needed) { - // Stitch together bytes from ip and reader to form the word - // contents. We store the needed bytes in "scratch_". They - // will be consumed immediately by the caller since we do not - // read more than we need. - memmove(scratch_, ip, nbuf); - reader_->Skip(peeked_); // All peeked bytes are used up - peeked_ = 0; - while (nbuf < needed) { - size_t length; - const char* src = reader_->Peek(&length); - if (length == 0) return false; - uint32 to_add = min(needed - nbuf, length); - memcpy(scratch_ + nbuf, src, to_add); - nbuf += to_add; - reader_->Skip(to_add); - } - DCHECK_EQ(nbuf, needed); - ip_ = scratch_; - ip_limit_ = scratch_ + needed; - } else if (nbuf < 5) { - // Have enough bytes, but move into scratch_ so that we do not - // read past end of input - memmove(scratch_, ip, nbuf); - reader_->Skip(peeked_); // All peeked bytes are used up - peeked_ = 0; - ip_ = scratch_; - ip_limit_ = scratch_ + nbuf; - } else { - // Pass pointer to buffer returned by reader_. - ip_ = ip; - } - return true; -} - -template -static bool InternalUncompress(Source* r, - Writer* writer, - uint32 max_len) { - // Read the uncompressed length from the front of the compressed input - SnappyDecompressor decompressor(r); - uint32 uncompressed_len = 0; - if (!decompressor.ReadUncompressedLength(&uncompressed_len)) return false; - return InternalUncompressAllTags( - &decompressor, writer, uncompressed_len, max_len); -} - -template -static bool InternalUncompressAllTags(SnappyDecompressor* decompressor, - Writer* writer, - uint32 uncompressed_len, - uint32 max_len) { - // Protect against possible DoS attack - if (static_cast(uncompressed_len) > max_len) { - return false; - } - - writer->SetExpectedLength(uncompressed_len); - - // Process the entire input - decompressor->DecompressAllTags(writer); - return (decompressor->eof() && writer->CheckLength()); -} - -bool GetUncompressedLength(Source* source, uint32* result) { - SnappyDecompressor decompressor(source); - return decompressor.ReadUncompressedLength(result); -} - -size_t Compress(Source* reader, Sink* writer) { - size_t written = 0; - size_t N = reader->Available(); - char ulength[Varint::kMax32]; - char* p = Varint::Encode32(ulength, N); - writer->Append(ulength, p-ulength); - written += (p - ulength); - - internal::WorkingMemory wmem; - char* scratch = NULL; - char* scratch_output = NULL; - - while (N > 0) { - // Get next block to compress (without copying if possible) - size_t fragment_size; - const char* fragment = reader->Peek(&fragment_size); - DCHECK_NE(fragment_size, 0) << ": premature end of input"; - const size_t num_to_read = min(N, kBlockSize); - size_t bytes_read = fragment_size; - - size_t pending_advance = 0; - if (bytes_read >= num_to_read) { - // Buffer returned by reader is large enough - pending_advance = num_to_read; - fragment_size = num_to_read; - } else { - // Read into scratch buffer - if (scratch == NULL) { - // If this is the last iteration, we want to allocate N bytes - // of space, otherwise the max possible kBlockSize space. - // num_to_read contains exactly the correct value - scratch = new char[num_to_read]; - } - memcpy(scratch, fragment, bytes_read); - reader->Skip(bytes_read); - - while (bytes_read < num_to_read) { - fragment = reader->Peek(&fragment_size); - size_t n = min(fragment_size, num_to_read - bytes_read); - memcpy(scratch + bytes_read, fragment, n); - bytes_read += n; - reader->Skip(n); - } - DCHECK_EQ(bytes_read, num_to_read); - fragment = scratch; - fragment_size = num_to_read; - } - DCHECK_EQ(fragment_size, num_to_read); - - // Get encoding table for compression - int table_size; - uint16* table = wmem.GetHashTable(num_to_read, &table_size); - - // Compress input_fragment and append to dest - const int max_output = MaxCompressedLength(num_to_read); - - // Need a scratch buffer for the output, in case the byte sink doesn't - // have room for us directly. - if (scratch_output == NULL) { - scratch_output = new char[max_output]; - } else { - // Since we encode kBlockSize regions followed by a region - // which is <= kBlockSize in length, a previously allocated - // scratch_output[] region is big enough for this iteration. - } - char* dest = writer->GetAppendBuffer(max_output, scratch_output); - char* end = internal::CompressFragment(fragment, fragment_size, - dest, table, table_size); - writer->Append(dest, end - dest); - written += (end - dest); - - N -= num_to_read; - reader->Skip(pending_advance); - } - - delete[] scratch; - delete[] scratch_output; - - return written; -} - -// ----------------------------------------------------------------------- -// Flat array interfaces -// ----------------------------------------------------------------------- - -// A type that writes to a flat array. -// Note that this is not a "ByteSink", but a type that matches the -// Writer template argument to SnappyDecompressor::DecompressAllTags(). -class SnappyArrayWriter { - private: - char* base_; - char* op_; - char* op_limit_; - - public: - inline explicit SnappyArrayWriter(char* dst) - : base_(dst), - op_(dst) { - } - - inline void SetExpectedLength(size_t len) { - op_limit_ = op_ + len; - } - - inline bool CheckLength() const { - return op_ == op_limit_; - } - - inline bool Append(const char* ip, size_t len) { - char* op = op_; - const size_t space_left = op_limit_ - op; - if (space_left < len) { - return false; - } - memcpy(op, ip, len); - op_ = op + len; - return true; - } - - inline bool TryFastAppend(const char* ip, size_t available, size_t len) { - char* op = op_; - const size_t space_left = op_limit_ - op; - if (len <= 16 && available >= 16 && space_left >= 16) { - // Fast path, used for the majority (about 95%) of invocations. - UnalignedCopy64(ip, op); - UnalignedCopy64(ip + 8, op + 8); - op_ = op + len; - return true; - } else { - return false; - } - } - - inline bool AppendFromSelf(size_t offset, size_t len) { - char* op = op_; - const size_t space_left = op_limit_ - op; - - if (op - base_ <= offset - 1u) { // -1u catches offset==0 - return false; - } - if (len <= 16 && offset >= 8 && space_left >= 16) { - // Fast path, used for the majority (70-80%) of dynamic invocations. - UnalignedCopy64(op - offset, op); - UnalignedCopy64(op - offset + 8, op + 8); - } else { - if (space_left >= len + kMaxIncrementCopyOverflow) { - IncrementalCopyFastPath(op - offset, op, len); - } else { - if (space_left < len) { - return false; - } - IncrementalCopy(op - offset, op, len); - } - } - - op_ = op + len; - return true; - } -}; - -bool RawUncompress(const char* compressed, size_t n, char* uncompressed) { - ByteArraySource reader(compressed, n); - return RawUncompress(&reader, uncompressed); -} - -bool RawUncompress(Source* compressed, char* uncompressed) { - SnappyArrayWriter output(uncompressed); - return InternalUncompress(compressed, &output, kuint32max); -} - -bool Uncompress(const char* compressed, size_t n, string* uncompressed) { - size_t ulength; - if (!GetUncompressedLength(compressed, n, &ulength)) { - return false; - } - // Protect against possible DoS attack - if ((static_cast(ulength) + uncompressed->size()) > - uncompressed->max_size()) { - return false; - } - STLStringResizeUninitialized(uncompressed, ulength); - return RawUncompress(compressed, n, string_as_array(uncompressed)); -} - - -// A Writer that drops everything on the floor and just does validation -class SnappyDecompressionValidator { - private: - size_t expected_; - size_t produced_; - - public: - inline SnappyDecompressionValidator() : produced_(0) { } - inline void SetExpectedLength(size_t len) { - expected_ = len; - } - inline bool CheckLength() const { - return expected_ == produced_; - } - inline bool Append(const char* ip, size_t len) { - produced_ += len; - return produced_ <= expected_; - } - inline bool TryFastAppend(const char* ip, size_t available, size_t length) { - return false; - } - inline bool AppendFromSelf(size_t offset, size_t len) { - if (produced_ <= offset - 1u) return false; // -1u catches offset==0 - produced_ += len; - return produced_ <= expected_; - } -}; - -bool IsValidCompressedBuffer(const char* compressed, size_t n) { - ByteArraySource reader(compressed, n); - SnappyDecompressionValidator writer; - return InternalUncompress(&reader, &writer, kuint32max); -} - -void RawCompress(const char* input, - size_t input_length, - char* compressed, - size_t* compressed_length) { - ByteArraySource reader(input, input_length); - UncheckedByteArraySink writer(compressed); - Compress(&reader, &writer); - - // Compute how many bytes were added - *compressed_length = (writer.CurrentDestination() - compressed); -} - -size_t Compress(const char* input, size_t input_length, string* compressed) { - // Pre-grow the buffer to the max length of the compressed output - compressed->resize(MaxCompressedLength(input_length)); - - size_t compressed_length; - RawCompress(input, input_length, string_as_array(compressed), - &compressed_length); - compressed->resize(compressed_length); - return compressed_length; -} - - -} // end namespace snappy - diff --git a/deps/snappy-1.0.5/snappy.h b/deps/snappy-1.0.5/snappy.h deleted file mode 100644 index 8c2075f..0000000 --- a/deps/snappy-1.0.5/snappy.h +++ /dev/null @@ -1,155 +0,0 @@ -// Copyright 2005 and onwards Google Inc. -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// -// A light-weight compression algorithm. It is designed for speed of -// compression and decompression, rather than for the utmost in space -// savings. -// -// For getting better compression ratios when you are compressing data -// with long repeated sequences or compressing data that is similar to -// other data, while still compressing fast, you might look at first -// using BMDiff and then compressing the output of BMDiff with -// Snappy. - -#ifndef UTIL_SNAPPY_SNAPPY_H__ -#define UTIL_SNAPPY_SNAPPY_H__ - -#include -#include - -#include "snappy-stubs-public.h" - -namespace snappy { - class Source; - class Sink; - - // ------------------------------------------------------------------------ - // Generic compression/decompression routines. - // ------------------------------------------------------------------------ - - // Compress the bytes read from "*source" and append to "*sink". Return the - // number of bytes written. - size_t Compress(Source* source, Sink* sink); - - bool GetUncompressedLength(Source* source, uint32* result); - - // ------------------------------------------------------------------------ - // Higher-level string based routines (should be sufficient for most users) - // ------------------------------------------------------------------------ - - // Sets "*output" to the compressed version of "input[0,input_length-1]". - // Original contents of *output are lost. - // - // REQUIRES: "input[]" is not an alias of "*output". - size_t Compress(const char* input, size_t input_length, string* output); - - // Decompresses "compressed[0,compressed_length-1]" to "*uncompressed". - // Original contents of "*uncompressed" are lost. - // - // REQUIRES: "compressed[]" is not an alias of "*uncompressed". - // - // returns false if the message is corrupted and could not be decompressed - bool Uncompress(const char* compressed, size_t compressed_length, - string* uncompressed); - - - // ------------------------------------------------------------------------ - // Lower-level character array based routines. May be useful for - // efficiency reasons in certain circumstances. - // ------------------------------------------------------------------------ - - // REQUIRES: "compressed" must point to an area of memory that is at - // least "MaxCompressedLength(input_length)" bytes in length. - // - // Takes the data stored in "input[0..input_length]" and stores - // it in the array pointed to by "compressed". - // - // "*compressed_length" is set to the length of the compressed output. - // - // Example: - // char* output = new char[snappy::MaxCompressedLength(input_length)]; - // size_t output_length; - // RawCompress(input, input_length, output, &output_length); - // ... Process(output, output_length) ... - // delete [] output; - void RawCompress(const char* input, - size_t input_length, - char* compressed, - size_t* compressed_length); - - // Given data in "compressed[0..compressed_length-1]" generated by - // calling the Snappy::Compress routine, this routine - // stores the uncompressed data to - // uncompressed[0..GetUncompressedLength(compressed)-1] - // returns false if the message is corrupted and could not be decrypted - bool RawUncompress(const char* compressed, size_t compressed_length, - char* uncompressed); - - // Given data from the byte source 'compressed' generated by calling - // the Snappy::Compress routine, this routine stores the uncompressed - // data to - // uncompressed[0..GetUncompressedLength(compressed,compressed_length)-1] - // returns false if the message is corrupted and could not be decrypted - bool RawUncompress(Source* compressed, char* uncompressed); - - // Returns the maximal size of the compressed representation of - // input data that is "source_bytes" bytes in length; - size_t MaxCompressedLength(size_t source_bytes); - - // REQUIRES: "compressed[]" was produced by RawCompress() or Compress() - // Returns true and stores the length of the uncompressed data in - // *result normally. Returns false on parsing error. - // This operation takes O(1) time. - bool GetUncompressedLength(const char* compressed, size_t compressed_length, - size_t* result); - - // Returns true iff the contents of "compressed[]" can be uncompressed - // successfully. Does not return the uncompressed data. Takes - // time proportional to compressed_length, but is usually at least - // a factor of four faster than actual decompression. - bool IsValidCompressedBuffer(const char* compressed, - size_t compressed_length); - - // *** DO NOT CHANGE THE VALUE OF kBlockSize *** - // - // New Compression code chops up the input into blocks of at most - // the following size. This ensures that back-references in the - // output never cross kBlockSize block boundaries. This can be - // helpful in implementing blocked decompression. However the - // decompression code should not rely on this guarantee since older - // compression code may not obey it. - static const int kBlockLog = 15; - static const size_t kBlockSize = 1 << kBlockLog; - - static const int kMaxHashTableBits = 14; - static const size_t kMaxHashTableSize = 1 << kMaxHashTableBits; - -} // end namespace snappy - - -#endif // UTIL_SNAPPY_SNAPPY_H__ diff --git a/deps/snappy-1.0.5/snappy_unittest.cc b/deps/snappy-1.0.5/snappy_unittest.cc deleted file mode 100644 index f3b9c83..0000000 --- a/deps/snappy-1.0.5/snappy_unittest.cc +++ /dev/null @@ -1,1155 +0,0 @@ -// Copyright 2005 and onwards Google Inc. -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -#include -#include - - -#include -#include -#include - -#include "snappy.h" -#include "snappy-internal.h" -#include "snappy-test.h" -#include "snappy-sinksource.h" - -DEFINE_int32(start_len, -1, - "Starting prefix size for testing (-1: just full file contents)"); -DEFINE_int32(end_len, -1, - "Starting prefix size for testing (-1: just full file contents)"); -DEFINE_int32(bytes, 10485760, - "How many bytes to compress/uncompress per file for timing"); - -DEFINE_bool(zlib, false, - "Run zlib compression (http://www.zlib.net)"); -DEFINE_bool(lzo, false, - "Run LZO compression (http://www.oberhumer.com/opensource/lzo/)"); -DEFINE_bool(quicklz, false, - "Run quickLZ compression (http://www.quicklz.com/)"); -DEFINE_bool(liblzf, false, - "Run libLZF compression " - "(http://www.goof.com/pcg/marc/liblzf.html)"); -DEFINE_bool(fastlz, false, - "Run FastLZ compression (http://www.fastlz.org/"); -DEFINE_bool(snappy, true, "Run snappy compression"); - - -DEFINE_bool(write_compressed, false, - "Write compressed versions of each file to .comp"); -DEFINE_bool(write_uncompressed, false, - "Write uncompressed versions of each file to .uncomp"); - -namespace snappy { - - -#ifdef HAVE_FUNC_MMAP - -// To test against code that reads beyond its input, this class copies a -// string to a newly allocated group of pages, the last of which -// is made unreadable via mprotect. Note that we need to allocate the -// memory with mmap(), as POSIX allows mprotect() only on memory allocated -// with mmap(), and some malloc/posix_memalign implementations expect to -// be able to read previously allocated memory while doing heap allocations. -class DataEndingAtUnreadablePage { - public: - explicit DataEndingAtUnreadablePage(const string& s) { - const size_t page_size = getpagesize(); - const size_t size = s.size(); - // Round up space for string to a multiple of page_size. - size_t space_for_string = (size + page_size - 1) & ~(page_size - 1); - alloc_size_ = space_for_string + page_size; - mem_ = mmap(NULL, alloc_size_, - PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0); - CHECK_NE(MAP_FAILED, mem_); - protected_page_ = reinterpret_cast(mem_) + space_for_string; - char* dst = protected_page_ - size; - memcpy(dst, s.data(), size); - data_ = dst; - size_ = size; - // Make guard page unreadable. - CHECK_EQ(0, mprotect(protected_page_, page_size, PROT_NONE)); - } - - ~DataEndingAtUnreadablePage() { - // Undo the mprotect. - CHECK_EQ(0, mprotect(protected_page_, getpagesize(), PROT_READ|PROT_WRITE)); - CHECK_EQ(0, munmap(mem_, alloc_size_)); - } - - const char* data() const { return data_; } - size_t size() const { return size_; } - - private: - size_t alloc_size_; - void* mem_; - char* protected_page_; - const char* data_; - size_t size_; -}; - -#else // HAVE_FUNC_MMAP - -// Fallback for systems without mmap. -typedef string DataEndingAtUnreadablePage; - -#endif - -enum CompressorType { - ZLIB, LZO, LIBLZF, QUICKLZ, FASTLZ, SNAPPY -}; - -const char* names[] = { - "ZLIB", "LZO", "LIBLZF", "QUICKLZ", "FASTLZ", "SNAPPY" -}; - -static size_t MinimumRequiredOutputSpace(size_t input_size, - CompressorType comp) { - switch (comp) { -#ifdef ZLIB_VERSION - case ZLIB: - return ZLib::MinCompressbufSize(input_size); -#endif // ZLIB_VERSION - -#ifdef LZO_VERSION - case LZO: - return input_size + input_size/64 + 16 + 3; -#endif // LZO_VERSION - -#ifdef LZF_VERSION - case LIBLZF: - return input_size; -#endif // LZF_VERSION - -#ifdef QLZ_VERSION_MAJOR - case QUICKLZ: - return input_size + 36000; // 36000 is used for scratch. -#endif // QLZ_VERSION_MAJOR - -#ifdef FASTLZ_VERSION - case FASTLZ: - return max(static_cast(ceil(input_size * 1.05)), 66); -#endif // FASTLZ_VERSION - - case SNAPPY: - return snappy::MaxCompressedLength(input_size); - - default: - LOG(FATAL) << "Unknown compression type number " << comp; - } -} - -// Returns true if we successfully compressed, false otherwise. -// -// If compressed_is_preallocated is set, do not resize the compressed buffer. -// This is typically what you want for a benchmark, in order to not spend -// time in the memory allocator. If you do set this flag, however, -// "compressed" must be preinitialized to at least MinCompressbufSize(comp) -// number of bytes, and may contain junk bytes at the end after return. -static bool Compress(const char* input, size_t input_size, CompressorType comp, - string* compressed, bool compressed_is_preallocated) { - if (!compressed_is_preallocated) { - compressed->resize(MinimumRequiredOutputSpace(input_size, comp)); - } - - switch (comp) { -#ifdef ZLIB_VERSION - case ZLIB: { - ZLib zlib; - uLongf destlen = compressed->size(); - int ret = zlib.Compress( - reinterpret_cast(string_as_array(compressed)), - &destlen, - reinterpret_cast(input), - input_size); - CHECK_EQ(Z_OK, ret); - if (!compressed_is_preallocated) { - compressed->resize(destlen); - } - return true; - } -#endif // ZLIB_VERSION - -#ifdef LZO_VERSION - case LZO: { - unsigned char* mem = new unsigned char[LZO1X_1_15_MEM_COMPRESS]; - lzo_uint destlen; - int ret = lzo1x_1_15_compress( - reinterpret_cast(input), - input_size, - reinterpret_cast(string_as_array(compressed)), - &destlen, - mem); - CHECK_EQ(LZO_E_OK, ret); - delete[] mem; - if (!compressed_is_preallocated) { - compressed->resize(destlen); - } - break; - } -#endif // LZO_VERSION - -#ifdef LZF_VERSION - case LIBLZF: { - int destlen = lzf_compress(input, - input_size, - string_as_array(compressed), - input_size); - if (destlen == 0) { - // lzf *can* cause lots of blowup when compressing, so they - // recommend to limit outsize to insize, and just not compress - // if it's bigger. Ideally, we'd just swap input and output. - compressed->assign(input, input_size); - destlen = input_size; - } - if (!compressed_is_preallocated) { - compressed->resize(destlen); - } - break; - } -#endif // LZF_VERSION - -#ifdef QLZ_VERSION_MAJOR - case QUICKLZ: { - qlz_state_compress *state_compress = new qlz_state_compress; - int destlen = qlz_compress(input, - string_as_array(compressed), - input_size, - state_compress); - delete state_compress; - CHECK_NE(0, destlen); - if (!compressed_is_preallocated) { - compressed->resize(destlen); - } - break; - } -#endif // QLZ_VERSION_MAJOR - -#ifdef FASTLZ_VERSION - case FASTLZ: { - // Use level 1 compression since we mostly care about speed. - int destlen = fastlz_compress_level( - 1, - input, - input_size, - string_as_array(compressed)); - if (!compressed_is_preallocated) { - compressed->resize(destlen); - } - CHECK_NE(destlen, 0); - break; - } -#endif // FASTLZ_VERSION - - case SNAPPY: { - size_t destlen; - snappy::RawCompress(input, input_size, - string_as_array(compressed), - &destlen); - CHECK_LE(destlen, snappy::MaxCompressedLength(input_size)); - if (!compressed_is_preallocated) { - compressed->resize(destlen); - } - break; - } - - - default: { - return false; // the asked-for library wasn't compiled in - } - } - return true; -} - -static bool Uncompress(const string& compressed, CompressorType comp, - int size, string* output) { - switch (comp) { -#ifdef ZLIB_VERSION - case ZLIB: { - output->resize(size); - ZLib zlib; - uLongf destlen = output->size(); - int ret = zlib.Uncompress( - reinterpret_cast(string_as_array(output)), - &destlen, - reinterpret_cast(compressed.data()), - compressed.size()); - CHECK_EQ(Z_OK, ret); - CHECK_EQ(static_cast(size), destlen); - break; - } -#endif // ZLIB_VERSION - -#ifdef LZO_VERSION - case LZO: { - output->resize(size); - lzo_uint destlen; - int ret = lzo1x_decompress( - reinterpret_cast(compressed.data()), - compressed.size(), - reinterpret_cast(string_as_array(output)), - &destlen, - NULL); - CHECK_EQ(LZO_E_OK, ret); - CHECK_EQ(static_cast(size), destlen); - break; - } -#endif // LZO_VERSION - -#ifdef LZF_VERSION - case LIBLZF: { - output->resize(size); - int destlen = lzf_decompress(compressed.data(), - compressed.size(), - string_as_array(output), - output->size()); - if (destlen == 0) { - // This error probably means we had decided not to compress, - // and thus have stored input in output directly. - output->assign(compressed.data(), compressed.size()); - destlen = compressed.size(); - } - CHECK_EQ(destlen, size); - break; - } -#endif // LZF_VERSION - -#ifdef QLZ_VERSION_MAJOR - case QUICKLZ: { - output->resize(size); - qlz_state_decompress *state_decompress = new qlz_state_decompress; - int destlen = qlz_decompress(compressed.data(), - string_as_array(output), - state_decompress); - delete state_decompress; - CHECK_EQ(destlen, size); - break; - } -#endif // QLZ_VERSION_MAJOR - -#ifdef FASTLZ_VERSION - case FASTLZ: { - output->resize(size); - int destlen = fastlz_decompress(compressed.data(), - compressed.length(), - string_as_array(output), - size); - CHECK_EQ(destlen, size); - break; - } -#endif // FASTLZ_VERSION - - case SNAPPY: { - snappy::RawUncompress(compressed.data(), compressed.size(), - string_as_array(output)); - break; - } - - - default: { - return false; // the asked-for library wasn't compiled in - } - } - return true; -} - -static void Measure(const char* data, - size_t length, - CompressorType comp, - int repeats, - int block_size) { - // Run tests a few time and pick median running times - static const int kRuns = 5; - double ctime[kRuns]; - double utime[kRuns]; - int compressed_size = 0; - - { - // Chop the input into blocks - int num_blocks = (length + block_size - 1) / block_size; - vector input(num_blocks); - vector input_length(num_blocks); - vector compressed(num_blocks); - vector output(num_blocks); - for (int b = 0; b < num_blocks; b++) { - int input_start = b * block_size; - int input_limit = min((b+1)*block_size, length); - input[b] = data+input_start; - input_length[b] = input_limit-input_start; - - // Pre-grow the output buffer so we don't measure string append time. - compressed[b].resize(MinimumRequiredOutputSpace(block_size, comp)); - } - - // First, try one trial compression to make sure the code is compiled in - if (!Compress(input[0], input_length[0], comp, &compressed[0], true)) { - LOG(WARNING) << "Skipping " << names[comp] << ": " - << "library not compiled in"; - return; - } - - for (int run = 0; run < kRuns; run++) { - CycleTimer ctimer, utimer; - - for (int b = 0; b < num_blocks; b++) { - // Pre-grow the output buffer so we don't measure string append time. - compressed[b].resize(MinimumRequiredOutputSpace(block_size, comp)); - } - - ctimer.Start(); - for (int b = 0; b < num_blocks; b++) - for (int i = 0; i < repeats; i++) - Compress(input[b], input_length[b], comp, &compressed[b], true); - ctimer.Stop(); - - // Compress once more, with resizing, so we don't leave junk - // at the end that will confuse the decompressor. - for (int b = 0; b < num_blocks; b++) { - Compress(input[b], input_length[b], comp, &compressed[b], false); - } - - for (int b = 0; b < num_blocks; b++) { - output[b].resize(input_length[b]); - } - - utimer.Start(); - for (int i = 0; i < repeats; i++) - for (int b = 0; b < num_blocks; b++) - Uncompress(compressed[b], comp, input_length[b], &output[b]); - utimer.Stop(); - - ctime[run] = ctimer.Get(); - utime[run] = utimer.Get(); - } - - compressed_size = 0; - for (int i = 0; i < compressed.size(); i++) { - compressed_size += compressed[i].size(); - } - } - - sort(ctime, ctime + kRuns); - sort(utime, utime + kRuns); - const int med = kRuns/2; - - float comp_rate = (length / ctime[med]) * repeats / 1048576.0; - float uncomp_rate = (length / utime[med]) * repeats / 1048576.0; - string x = names[comp]; - x += ":"; - string urate = (uncomp_rate >= 0) - ? StringPrintf("%.1f", uncomp_rate) - : string("?"); - printf("%-7s [b %dM] bytes %6d -> %6d %4.1f%% " - "comp %5.1f MB/s uncomp %5s MB/s\n", - x.c_str(), - block_size/(1<<20), - static_cast(length), static_cast(compressed_size), - (compressed_size * 100.0) / max(1, length), - comp_rate, - urate.c_str()); -} - - -static int VerifyString(const string& input) { - string compressed; - DataEndingAtUnreadablePage i(input); - const size_t written = snappy::Compress(i.data(), i.size(), &compressed); - CHECK_EQ(written, compressed.size()); - CHECK_LE(compressed.size(), - snappy::MaxCompressedLength(input.size())); - CHECK(snappy::IsValidCompressedBuffer(compressed.data(), compressed.size())); - - string uncompressed; - DataEndingAtUnreadablePage c(compressed); - CHECK(snappy::Uncompress(c.data(), c.size(), &uncompressed)); - CHECK_EQ(uncompressed, input); - return uncompressed.size(); -} - - -// Test that data compressed by a compressor that does not -// obey block sizes is uncompressed properly. -static void VerifyNonBlockedCompression(const string& input) { - if (input.length() > snappy::kBlockSize) { - // We cannot test larger blocks than the maximum block size, obviously. - return; - } - - string prefix; - Varint::Append32(&prefix, input.size()); - - // Setup compression table - snappy::internal::WorkingMemory wmem; - int table_size; - uint16* table = wmem.GetHashTable(input.size(), &table_size); - - // Compress entire input in one shot - string compressed; - compressed += prefix; - compressed.resize(prefix.size()+snappy::MaxCompressedLength(input.size())); - char* dest = string_as_array(&compressed) + prefix.size(); - char* end = snappy::internal::CompressFragment(input.data(), input.size(), - dest, table, table_size); - compressed.resize(end - compressed.data()); - - // Uncompress into string - string uncomp_str; - CHECK(snappy::Uncompress(compressed.data(), compressed.size(), &uncomp_str)); - CHECK_EQ(uncomp_str, input); - -} - -// Expand the input so that it is at least K times as big as block size -static string Expand(const string& input) { - static const int K = 3; - string data = input; - while (data.size() < K * snappy::kBlockSize) { - data += input; - } - return data; -} - -static int Verify(const string& input) { - VLOG(1) << "Verifying input of size " << input.size(); - - // Compress using string based routines - const int result = VerifyString(input); - - - VerifyNonBlockedCompression(input); - if (!input.empty()) { - VerifyNonBlockedCompression(Expand(input)); - } - - - return result; -} - -// This test checks to ensure that snappy doesn't coredump if it gets -// corrupted data. - -static bool IsValidCompressedBuffer(const string& c) { - return snappy::IsValidCompressedBuffer(c.data(), c.size()); -} -static bool Uncompress(const string& c, string* u) { - return snappy::Uncompress(c.data(), c.size(), u); -} - -TYPED_TEST(CorruptedTest, VerifyCorrupted) { - string source = "making sure we don't crash with corrupted input"; - VLOG(1) << source; - string dest; - TypeParam uncmp; - snappy::Compress(source.data(), source.size(), &dest); - - // Mess around with the data. It's hard to simulate all possible - // corruptions; this is just one example ... - CHECK_GT(dest.size(), 3); - dest[1]--; - dest[3]++; - // this really ought to fail. - CHECK(!IsValidCompressedBuffer(TypeParam(dest))); - CHECK(!Uncompress(TypeParam(dest), &uncmp)); - - // This is testing for a security bug - a buffer that decompresses to 100k - // but we lie in the snappy header and only reserve 0 bytes of memory :) - source.resize(100000); - for (int i = 0; i < source.length(); ++i) { - source[i] = 'A'; - } - snappy::Compress(source.data(), source.size(), &dest); - dest[0] = dest[1] = dest[2] = dest[3] = 0; - CHECK(!IsValidCompressedBuffer(TypeParam(dest))); - CHECK(!Uncompress(TypeParam(dest), &uncmp)); - - if (sizeof(void *) == 4) { - // Another security check; check a crazy big length can't DoS us with an - // over-allocation. - // Currently this is done only for 32-bit builds. On 64-bit builds, - // where 3 GB might be an acceptable allocation size, Uncompress() - // attempts to decompress, and sometimes causes the test to run out of - // memory. - dest[0] = dest[1] = dest[2] = dest[3] = 0xff; - // This decodes to a really large size, i.e., about 3 GB. - dest[4] = 'k'; - CHECK(!IsValidCompressedBuffer(TypeParam(dest))); - CHECK(!Uncompress(TypeParam(dest), &uncmp)); - } else { - LOG(WARNING) << "Crazy decompression lengths not checked on 64-bit build"; - } - - // This decodes to about 2 MB; much smaller, but should still fail. - dest[0] = dest[1] = dest[2] = 0xff; - dest[3] = 0x00; - CHECK(!IsValidCompressedBuffer(TypeParam(dest))); - CHECK(!Uncompress(TypeParam(dest), &uncmp)); - - // try reading stuff in from a bad file. - for (int i = 1; i <= 3; ++i) { - string data = ReadTestDataFile(StringPrintf("baddata%d.snappy", i).c_str()); - string uncmp; - // check that we don't return a crazy length - size_t ulen; - CHECK(!snappy::GetUncompressedLength(data.data(), data.size(), &ulen) - || (ulen < (1<<20))); - uint32 ulen2; - snappy::ByteArraySource source(data.data(), data.size()); - CHECK(!snappy::GetUncompressedLength(&source, &ulen2) || - (ulen2 < (1<<20))); - CHECK(!IsValidCompressedBuffer(TypeParam(data))); - CHECK(!Uncompress(TypeParam(data), &uncmp)); - } -} - -// Helper routines to construct arbitrary compressed strings. -// These mirror the compression code in snappy.cc, but are copied -// here so that we can bypass some limitations in the how snappy.cc -// invokes these routines. -static void AppendLiteral(string* dst, const string& literal) { - if (literal.empty()) return; - int n = literal.size() - 1; - if (n < 60) { - // Fit length in tag byte - dst->push_back(0 | (n << 2)); - } else { - // Encode in upcoming bytes - char number[4]; - int count = 0; - while (n > 0) { - number[count++] = n & 0xff; - n >>= 8; - } - dst->push_back(0 | ((59+count) << 2)); - *dst += string(number, count); - } - *dst += literal; -} - -static void AppendCopy(string* dst, int offset, int length) { - while (length > 0) { - // Figure out how much to copy in one shot - int to_copy; - if (length >= 68) { - to_copy = 64; - } else if (length > 64) { - to_copy = 60; - } else { - to_copy = length; - } - length -= to_copy; - - if ((to_copy < 12) && (offset < 2048)) { - assert(to_copy-4 < 8); // Must fit in 3 bits - dst->push_back(1 | ((to_copy-4) << 2) | ((offset >> 8) << 5)); - dst->push_back(offset & 0xff); - } else if (offset < 65536) { - dst->push_back(2 | ((to_copy-1) << 2)); - dst->push_back(offset & 0xff); - dst->push_back(offset >> 8); - } else { - dst->push_back(3 | ((to_copy-1) << 2)); - dst->push_back(offset & 0xff); - dst->push_back((offset >> 8) & 0xff); - dst->push_back((offset >> 16) & 0xff); - dst->push_back((offset >> 24) & 0xff); - } - } -} - -TEST(Snappy, SimpleTests) { - Verify(""); - Verify("a"); - Verify("ab"); - Verify("abc"); - - Verify("aaaaaaa" + string(16, 'b') + string("aaaaa") + "abc"); - Verify("aaaaaaa" + string(256, 'b') + string("aaaaa") + "abc"); - Verify("aaaaaaa" + string(2047, 'b') + string("aaaaa") + "abc"); - Verify("aaaaaaa" + string(65536, 'b') + string("aaaaa") + "abc"); - Verify("abcaaaaaaa" + string(65536, 'b') + string("aaaaa") + "abc"); -} - -// Verify max blowup (lots of four-byte copies) -TEST(Snappy, MaxBlowup) { - string input; - for (int i = 0; i < 20000; i++) { - ACMRandom rnd(i); - uint32 bytes = static_cast(rnd.Next()); - input.append(reinterpret_cast(&bytes), sizeof(bytes)); - } - for (int i = 19999; i >= 0; i--) { - ACMRandom rnd(i); - uint32 bytes = static_cast(rnd.Next()); - input.append(reinterpret_cast(&bytes), sizeof(bytes)); - } - Verify(input); -} - -TEST(Snappy, RandomData) { - ACMRandom rnd(FLAGS_test_random_seed); - - const int num_ops = 20000; - for (int i = 0; i < num_ops; i++) { - if ((i % 1000) == 0) { - VLOG(0) << "Random op " << i << " of " << num_ops; - } - - string x; - int len = rnd.Uniform(4096); - if (i < 100) { - len = 65536 + rnd.Uniform(65536); - } - while (x.size() < len) { - int run_len = 1; - if (rnd.OneIn(10)) { - run_len = rnd.Skewed(8); - } - char c = (i < 100) ? rnd.Uniform(256) : rnd.Skewed(3); - while (run_len-- > 0 && x.size() < len) { - x += c; - } - } - - Verify(x); - } -} - -TEST(Snappy, FourByteOffset) { - // The new compressor cannot generate four-byte offsets since - // it chops up the input into 32KB pieces. So we hand-emit the - // copy manually. - - // The two fragments that make up the input string. - string fragment1 = "012345689abcdefghijklmnopqrstuvwxyz"; - string fragment2 = "some other string"; - - // How many times each fragment is emitted. - const int n1 = 2; - const int n2 = 100000 / fragment2.size(); - const int length = n1 * fragment1.size() + n2 * fragment2.size(); - - string compressed; - Varint::Append32(&compressed, length); - - AppendLiteral(&compressed, fragment1); - string src = fragment1; - for (int i = 0; i < n2; i++) { - AppendLiteral(&compressed, fragment2); - src += fragment2; - } - AppendCopy(&compressed, src.size(), fragment1.size()); - src += fragment1; - CHECK_EQ(length, src.size()); - - string uncompressed; - CHECK(snappy::IsValidCompressedBuffer(compressed.data(), compressed.size())); - CHECK(snappy::Uncompress(compressed.data(), compressed.size(), &uncompressed)); - CHECK_EQ(uncompressed, src); -} - - -static bool CheckUncompressedLength(const string& compressed, - size_t* ulength) { - const bool result1 = snappy::GetUncompressedLength(compressed.data(), - compressed.size(), - ulength); - - snappy::ByteArraySource source(compressed.data(), compressed.size()); - uint32 length; - const bool result2 = snappy::GetUncompressedLength(&source, &length); - CHECK_EQ(result1, result2); - return result1; -} - -TEST(SnappyCorruption, TruncatedVarint) { - string compressed, uncompressed; - size_t ulength; - compressed.push_back('\xf0'); - CHECK(!CheckUncompressedLength(compressed, &ulength)); - CHECK(!snappy::IsValidCompressedBuffer(compressed.data(), compressed.size())); - CHECK(!snappy::Uncompress(compressed.data(), compressed.size(), - &uncompressed)); -} - -TEST(SnappyCorruption, UnterminatedVarint) { - string compressed, uncompressed; - size_t ulength; - compressed.push_back(128); - compressed.push_back(128); - compressed.push_back(128); - compressed.push_back(128); - compressed.push_back(128); - compressed.push_back(10); - CHECK(!CheckUncompressedLength(compressed, &ulength)); - CHECK(!snappy::IsValidCompressedBuffer(compressed.data(), compressed.size())); - CHECK(!snappy::Uncompress(compressed.data(), compressed.size(), - &uncompressed)); -} - -TEST(Snappy, ReadPastEndOfBuffer) { - // Check that we do not read past end of input - - // Make a compressed string that ends with a single-byte literal - string compressed; - Varint::Append32(&compressed, 1); - AppendLiteral(&compressed, "x"); - - string uncompressed; - DataEndingAtUnreadablePage c(compressed); - CHECK(snappy::Uncompress(c.data(), c.size(), &uncompressed)); - CHECK_EQ(uncompressed, string("x")); -} - -// Check for an infinite loop caused by a copy with offset==0 -TEST(Snappy, ZeroOffsetCopy) { - const char* compressed = "\x40\x12\x00\x00"; - // \x40 Length (must be > kMaxIncrementCopyOverflow) - // \x12\x00\x00 Copy with offset==0, length==5 - char uncompressed[100]; - EXPECT_FALSE(snappy::RawUncompress(compressed, 4, uncompressed)); -} - -TEST(Snappy, ZeroOffsetCopyValidation) { - const char* compressed = "\x05\x12\x00\x00"; - // \x05 Length - // \x12\x00\x00 Copy with offset==0, length==5 - EXPECT_FALSE(snappy::IsValidCompressedBuffer(compressed, 4)); -} - - -namespace { - -int TestFindMatchLength(const char* s1, const char *s2, unsigned length) { - return snappy::internal::FindMatchLength(s1, s2, s2 + length); -} - -} // namespace - -TEST(Snappy, FindMatchLength) { - // Exercise all different code paths through the function. - // 64-bit version: - - // Hit s1_limit in 64-bit loop, hit s1_limit in single-character loop. - EXPECT_EQ(6, TestFindMatchLength("012345", "012345", 6)); - EXPECT_EQ(11, TestFindMatchLength("01234567abc", "01234567abc", 11)); - - // Hit s1_limit in 64-bit loop, find a non-match in single-character loop. - EXPECT_EQ(9, TestFindMatchLength("01234567abc", "01234567axc", 9)); - - // Same, but edge cases. - EXPECT_EQ(11, TestFindMatchLength("01234567abc!", "01234567abc!", 11)); - EXPECT_EQ(11, TestFindMatchLength("01234567abc!", "01234567abc?", 11)); - - // Find non-match at once in first loop. - EXPECT_EQ(0, TestFindMatchLength("01234567xxxxxxxx", "?1234567xxxxxxxx", 16)); - EXPECT_EQ(1, TestFindMatchLength("01234567xxxxxxxx", "0?234567xxxxxxxx", 16)); - EXPECT_EQ(4, TestFindMatchLength("01234567xxxxxxxx", "01237654xxxxxxxx", 16)); - EXPECT_EQ(7, TestFindMatchLength("01234567xxxxxxxx", "0123456?xxxxxxxx", 16)); - - // Find non-match in first loop after one block. - EXPECT_EQ(8, TestFindMatchLength("abcdefgh01234567xxxxxxxx", - "abcdefgh?1234567xxxxxxxx", 24)); - EXPECT_EQ(9, TestFindMatchLength("abcdefgh01234567xxxxxxxx", - "abcdefgh0?234567xxxxxxxx", 24)); - EXPECT_EQ(12, TestFindMatchLength("abcdefgh01234567xxxxxxxx", - "abcdefgh01237654xxxxxxxx", 24)); - EXPECT_EQ(15, TestFindMatchLength("abcdefgh01234567xxxxxxxx", - "abcdefgh0123456?xxxxxxxx", 24)); - - // 32-bit version: - - // Short matches. - EXPECT_EQ(0, TestFindMatchLength("01234567", "?1234567", 8)); - EXPECT_EQ(1, TestFindMatchLength("01234567", "0?234567", 8)); - EXPECT_EQ(2, TestFindMatchLength("01234567", "01?34567", 8)); - EXPECT_EQ(3, TestFindMatchLength("01234567", "012?4567", 8)); - EXPECT_EQ(4, TestFindMatchLength("01234567", "0123?567", 8)); - EXPECT_EQ(5, TestFindMatchLength("01234567", "01234?67", 8)); - EXPECT_EQ(6, TestFindMatchLength("01234567", "012345?7", 8)); - EXPECT_EQ(7, TestFindMatchLength("01234567", "0123456?", 8)); - EXPECT_EQ(7, TestFindMatchLength("01234567", "0123456?", 7)); - EXPECT_EQ(7, TestFindMatchLength("01234567!", "0123456??", 7)); - - // Hit s1_limit in 32-bit loop, hit s1_limit in single-character loop. - EXPECT_EQ(10, TestFindMatchLength("xxxxxxabcd", "xxxxxxabcd", 10)); - EXPECT_EQ(10, TestFindMatchLength("xxxxxxabcd?", "xxxxxxabcd?", 10)); - EXPECT_EQ(13, TestFindMatchLength("xxxxxxabcdef", "xxxxxxabcdef", 13)); - - // Same, but edge cases. - EXPECT_EQ(12, TestFindMatchLength("xxxxxx0123abc!", "xxxxxx0123abc!", 12)); - EXPECT_EQ(12, TestFindMatchLength("xxxxxx0123abc!", "xxxxxx0123abc?", 12)); - - // Hit s1_limit in 32-bit loop, find a non-match in single-character loop. - EXPECT_EQ(11, TestFindMatchLength("xxxxxx0123abc", "xxxxxx0123axc", 13)); - - // Find non-match at once in first loop. - EXPECT_EQ(6, TestFindMatchLength("xxxxxx0123xxxxxxxx", - "xxxxxx?123xxxxxxxx", 18)); - EXPECT_EQ(7, TestFindMatchLength("xxxxxx0123xxxxxxxx", - "xxxxxx0?23xxxxxxxx", 18)); - EXPECT_EQ(8, TestFindMatchLength("xxxxxx0123xxxxxxxx", - "xxxxxx0132xxxxxxxx", 18)); - EXPECT_EQ(9, TestFindMatchLength("xxxxxx0123xxxxxxxx", - "xxxxxx012?xxxxxxxx", 18)); - - // Same, but edge cases. - EXPECT_EQ(6, TestFindMatchLength("xxxxxx0123", "xxxxxx?123", 10)); - EXPECT_EQ(7, TestFindMatchLength("xxxxxx0123", "xxxxxx0?23", 10)); - EXPECT_EQ(8, TestFindMatchLength("xxxxxx0123", "xxxxxx0132", 10)); - EXPECT_EQ(9, TestFindMatchLength("xxxxxx0123", "xxxxxx012?", 10)); - - // Find non-match in first loop after one block. - EXPECT_EQ(10, TestFindMatchLength("xxxxxxabcd0123xx", - "xxxxxxabcd?123xx", 16)); - EXPECT_EQ(11, TestFindMatchLength("xxxxxxabcd0123xx", - "xxxxxxabcd0?23xx", 16)); - EXPECT_EQ(12, TestFindMatchLength("xxxxxxabcd0123xx", - "xxxxxxabcd0132xx", 16)); - EXPECT_EQ(13, TestFindMatchLength("xxxxxxabcd0123xx", - "xxxxxxabcd012?xx", 16)); - - // Same, but edge cases. - EXPECT_EQ(10, TestFindMatchLength("xxxxxxabcd0123", "xxxxxxabcd?123", 14)); - EXPECT_EQ(11, TestFindMatchLength("xxxxxxabcd0123", "xxxxxxabcd0?23", 14)); - EXPECT_EQ(12, TestFindMatchLength("xxxxxxabcd0123", "xxxxxxabcd0132", 14)); - EXPECT_EQ(13, TestFindMatchLength("xxxxxxabcd0123", "xxxxxxabcd012?", 14)); -} - -TEST(Snappy, FindMatchLengthRandom) { - const int kNumTrials = 10000; - const int kTypicalLength = 10; - ACMRandom rnd(FLAGS_test_random_seed); - - for (int i = 0; i < kNumTrials; i++) { - string s, t; - char a = rnd.Rand8(); - char b = rnd.Rand8(); - while (!rnd.OneIn(kTypicalLength)) { - s.push_back(rnd.OneIn(2) ? a : b); - t.push_back(rnd.OneIn(2) ? a : b); - } - DataEndingAtUnreadablePage u(s); - DataEndingAtUnreadablePage v(t); - int matched = snappy::internal::FindMatchLength( - u.data(), v.data(), v.data() + t.size()); - if (matched == t.size()) { - EXPECT_EQ(s, t); - } else { - EXPECT_NE(s[matched], t[matched]); - for (int j = 0; j < matched; j++) { - EXPECT_EQ(s[j], t[j]); - } - } - } -} - - -static void CompressFile(const char* fname) { - string fullinput; - File::ReadFileToStringOrDie(fname, &fullinput); - - string compressed; - Compress(fullinput.data(), fullinput.size(), SNAPPY, &compressed, false); - - File::WriteStringToFileOrDie(compressed, - string(fname).append(".comp").c_str()); -} - -static void UncompressFile(const char* fname) { - string fullinput; - File::ReadFileToStringOrDie(fname, &fullinput); - - size_t uncompLength; - CHECK(CheckUncompressedLength(fullinput, &uncompLength)); - - string uncompressed; - uncompressed.resize(uncompLength); - CHECK(snappy::Uncompress(fullinput.data(), fullinput.size(), &uncompressed)); - - File::WriteStringToFileOrDie(uncompressed, - string(fname).append(".uncomp").c_str()); -} - -static void MeasureFile(const char* fname) { - string fullinput; - File::ReadFileToStringOrDie(fname, &fullinput); - printf("%-40s :\n", fname); - - int start_len = (FLAGS_start_len < 0) ? fullinput.size() : FLAGS_start_len; - int end_len = fullinput.size(); - if (FLAGS_end_len >= 0) { - end_len = min(fullinput.size(), FLAGS_end_len); - } - for (int len = start_len; len <= end_len; len++) { - const char* const input = fullinput.data(); - int repeats = (FLAGS_bytes + len) / (len + 1); - if (FLAGS_zlib) Measure(input, len, ZLIB, repeats, 1024<<10); - if (FLAGS_lzo) Measure(input, len, LZO, repeats, 1024<<10); - if (FLAGS_liblzf) Measure(input, len, LIBLZF, repeats, 1024<<10); - if (FLAGS_quicklz) Measure(input, len, QUICKLZ, repeats, 1024<<10); - if (FLAGS_fastlz) Measure(input, len, FASTLZ, repeats, 1024<<10); - if (FLAGS_snappy) Measure(input, len, SNAPPY, repeats, 4096<<10); - - // For block-size based measurements - if (0 && FLAGS_snappy) { - Measure(input, len, SNAPPY, repeats, 8<<10); - Measure(input, len, SNAPPY, repeats, 16<<10); - Measure(input, len, SNAPPY, repeats, 32<<10); - Measure(input, len, SNAPPY, repeats, 64<<10); - Measure(input, len, SNAPPY, repeats, 256<<10); - Measure(input, len, SNAPPY, repeats, 1024<<10); - } - } -} - -static struct { - const char* label; - const char* filename; -} files[] = { - { "html", "html" }, - { "urls", "urls.10K" }, - { "jpg", "house.jpg" }, - { "pdf", "mapreduce-osdi-1.pdf" }, - { "html4", "html_x_4" }, - { "cp", "cp.html" }, - { "c", "fields.c" }, - { "lsp", "grammar.lsp" }, - { "xls", "kennedy.xls" }, - { "txt1", "alice29.txt" }, - { "txt2", "asyoulik.txt" }, - { "txt3", "lcet10.txt" }, - { "txt4", "plrabn12.txt" }, - { "bin", "ptt5" }, - { "sum", "sum" }, - { "man", "xargs.1" }, - { "pb", "geo.protodata" }, - { "gaviota", "kppkn.gtb" }, -}; - -static void BM_UFlat(int iters, int arg) { - StopBenchmarkTiming(); - - // Pick file to process based on "arg" - CHECK_GE(arg, 0); - CHECK_LT(arg, ARRAYSIZE(files)); - string contents = ReadTestDataFile(files[arg].filename); - - string zcontents; - snappy::Compress(contents.data(), contents.size(), &zcontents); - char* dst = new char[contents.size()]; - - SetBenchmarkBytesProcessed(static_cast(iters) * - static_cast(contents.size())); - SetBenchmarkLabel(files[arg].label); - StartBenchmarkTiming(); - while (iters-- > 0) { - CHECK(snappy::RawUncompress(zcontents.data(), zcontents.size(), dst)); - } - StopBenchmarkTiming(); - - delete[] dst; -} -BENCHMARK(BM_UFlat)->DenseRange(0, 17); - -static void BM_UValidate(int iters, int arg) { - StopBenchmarkTiming(); - - // Pick file to process based on "arg" - CHECK_GE(arg, 0); - CHECK_LT(arg, ARRAYSIZE(files)); - string contents = ReadTestDataFile(files[arg].filename); - - string zcontents; - snappy::Compress(contents.data(), contents.size(), &zcontents); - - SetBenchmarkBytesProcessed(static_cast(iters) * - static_cast(contents.size())); - SetBenchmarkLabel(files[arg].label); - StartBenchmarkTiming(); - while (iters-- > 0) { - CHECK(snappy::IsValidCompressedBuffer(zcontents.data(), zcontents.size())); - } - StopBenchmarkTiming(); -} -BENCHMARK(BM_UValidate)->DenseRange(0, 4); - - -static void BM_ZFlat(int iters, int arg) { - StopBenchmarkTiming(); - - // Pick file to process based on "arg" - CHECK_GE(arg, 0); - CHECK_LT(arg, ARRAYSIZE(files)); - string contents = ReadTestDataFile(files[arg].filename); - - char* dst = new char[snappy::MaxCompressedLength(contents.size())]; - - SetBenchmarkBytesProcessed(static_cast(iters) * - static_cast(contents.size())); - StartBenchmarkTiming(); - - size_t zsize = 0; - while (iters-- > 0) { - snappy::RawCompress(contents.data(), contents.size(), dst, &zsize); - } - StopBenchmarkTiming(); - const double compression_ratio = - static_cast(zsize) / std::max(1, contents.size()); - SetBenchmarkLabel(StringPrintf("%s (%.2f %%)", - files[arg].label, 100.0 * compression_ratio)); - VLOG(0) << StringPrintf("compression for %s: %zd -> %zd bytes", - files[arg].label, contents.size(), zsize); - delete[] dst; -} -BENCHMARK(BM_ZFlat)->DenseRange(0, 17); - - -} // namespace snappy - - -int main(int argc, char** argv) { - InitGoogle(argv[0], &argc, &argv, true); - File::Init(); - RunSpecifiedBenchmarks(); - - - if (argc >= 2) { - for (int arg = 1; arg < argc; arg++) { - if (FLAGS_write_compressed) { - CompressFile(argv[arg]); - } else if (FLAGS_write_uncompressed) { - UncompressFile(argv[arg]); - } else { - MeasureFile(argv[arg]); - } - } - return 0; - } - - return RUN_ALL_TESTS(); -} diff --git a/deps/snappy-1.0.5/stamp-h1 b/deps/snappy-1.0.5/stamp-h1 deleted file mode 100644 index 4547fe1..0000000 --- a/deps/snappy-1.0.5/stamp-h1 +++ /dev/null @@ -1 +0,0 @@ -timestamp for config.h diff --git a/deps/snappy-1.0.5/testdata/alice29.txt b/deps/snappy-1.0.5/testdata/alice29.txt deleted file mode 100644 index 7033655..0000000 --- a/deps/snappy-1.0.5/testdata/alice29.txt +++ /dev/null @@ -1,3609 +0,0 @@ - - - - - ALICE'S ADVENTURES IN WONDERLAND - - Lewis Carroll - - THE MILLENNIUM FULCRUM EDITION 2.9 - - - - - CHAPTER I - - Down the Rabbit-Hole - - - Alice was beginning to get very tired of sitting by her sister -on the bank, and of having nothing to do: once or twice she had -peeped into the book her sister was reading, but it had no -pictures or conversations in it, `and what is the use of a book,' -thought Alice `without pictures or conversation?' - - So she was considering in her own mind (as well as she could, -for the hot day made her feel very sleepy and stupid), whether -the pleasure of making a daisy-chain would be worth the trouble -of getting up and picking the daisies, when suddenly a White -Rabbit with pink eyes ran close by her. - - There was nothing so VERY remarkable in that; nor did Alice -think it so VERY much out of the way to hear the Rabbit say to -itself, `Oh dear! Oh dear! I shall be late!' (when she thought -it over afterwards, it occurred to her that she ought to have -wondered at this, but at the time it all seemed quite natural); -but when the Rabbit actually TOOK A WATCH OUT OF ITS WAISTCOAT- -POCKET, and looked at it, and then hurried on, Alice started to -her feet, for it flashed across her mind that she had never -before seen a rabbit with either a waistcoat-pocket, or a watch to -take out of it, and burning with curiosity, she ran across the -field after it, and fortunately was just in time to see it pop -down a large rabbit-hole under the hedge. - - In another moment down went Alice after it, never once -considering how in the world she was to get out again. - - The rabbit-hole went straight on like a tunnel for some way, -and then dipped suddenly down, so suddenly that Alice had not a -moment to think about stopping herself before she found herself -falling down a very deep well. - - Either the well was very deep, or she fell very slowly, for she -had plenty of time as she went down to look about her and to -wonder what was going to happen next. First, she tried to look -down and make out what she was coming to, but it was too dark to -see anything; then she looked at the sides of the well, and -noticed that they were filled with cupboards and book-shelves; -here and there she saw maps and pictures hung upon pegs. She -took down a jar from one of the shelves as she passed; it was -labelled `ORANGE MARMALADE', but to her great disappointment it -was empty: she did not like to drop the jar for fear of killing -somebody, so managed to put it into one of the cupboards as she -fell past it. - - `Well!' thought Alice to herself, `after such a fall as this, I -shall think nothing of tumbling down stairs! How brave they'll -all think me at home! Why, I wouldn't say anything about it, -even if I fell off the top of the house!' (Which was very likely -true.) - - Down, down, down. Would the fall NEVER come to an end! `I -wonder how many miles I've fallen by this time?' she said aloud. -`I must be getting somewhere near the centre of the earth. Let -me see: that would be four thousand miles down, I think--' (for, -you see, Alice had learnt several things of this sort in her -lessons in the schoolroom, and though this was not a VERY good -opportunity for showing off her knowledge, as there was no one to -listen to her, still it was good practice to say it over) `--yes, -that's about the right distance--but then I wonder what Latitude -or Longitude I've got to?' (Alice had no idea what Latitude was, -or Longitude either, but thought they were nice grand words to -say.) - - Presently she began again. `I wonder if I shall fall right -THROUGH the earth! How funny it'll seem to come out among the -people that walk with their heads downward! The Antipathies, I -think--' (she was rather glad there WAS no one listening, this -time, as it didn't sound at all the right word) `--but I shall -have to ask them what the name of the country is, you know. -Please, Ma'am, is this New Zealand or Australia?' (and she tried -to curtsey as she spoke--fancy CURTSEYING as you're falling -through the air! Do you think you could manage it?) `And what -an ignorant little girl she'll think me for asking! No, it'll -never do to ask: perhaps I shall see it written up somewhere.' - - Down, down, down. There was nothing else to do, so Alice soon -began talking again. `Dinah'll miss me very much to-night, I -should think!' (Dinah was the cat.) `I hope they'll remember -her saucer of milk at tea-time. Dinah my dear! I wish you were -down here with me! There are no mice in the air, I'm afraid, but -you might catch a bat, and that's very like a mouse, you know. -But do cats eat bats, I wonder?' And here Alice began to get -rather sleepy, and went on saying to herself, in a dreamy sort of -way, `Do cats eat bats? Do cats eat bats?' and sometimes, `Do -bats eat cats?' for, you see, as she couldn't answer either -question, it didn't much matter which way she put it. She felt -that she was dozing off, and had just begun to dream that she -was walking hand in hand with Dinah, and saying to her very -earnestly, `Now, Dinah, tell me the truth: did you ever eat a -bat?' when suddenly, thump! thump! down she came upon a heap of -sticks and dry leaves, and the fall was over. - - Alice was not a bit hurt, and she jumped up on to her feet in a -moment: she looked up, but it was all dark overhead; before her -was another long passage, and the White Rabbit was still in -sight, hurrying down it. There was not a moment to be lost: -away went Alice like the wind, and was just in time to hear it -say, as it turned a corner, `Oh my ears and whiskers, how late -it's getting!' She was close behind it when she turned the -corner, but the Rabbit was no longer to be seen: she found -herself in a long, low hall, which was lit up by a row of lamps -hanging from the roof. - - There were doors all round the hall, but they were all locked; -and when Alice had been all the way down one side and up the -other, trying every door, she walked sadly down the middle, -wondering how she was ever to get out again. - - Suddenly she came upon a little three-legged table, all made of -solid glass; there was nothing on it except a tiny golden key, -and Alice's first thought was that it might belong to one of the -doors of the hall; but, alas! either the locks were too large, or -the key was too small, but at any rate it would not open any of -them. However, on the second time round, she came upon a low -curtain she had not noticed before, and behind it was a little -door about fifteen inches high: she tried the little golden key -in the lock, and to her great delight it fitted! - - Alice opened the door and found that it led into a small -passage, not much larger than a rat-hole: she knelt down and -looked along the passage into the loveliest garden you ever saw. -How she longed to get out of that dark hall, and wander about -among those beds of bright flowers and those cool fountains, but -she could not even get her head though the doorway; `and even if -my head would go through,' thought poor Alice, `it would be of -very little use without my shoulders. Oh, how I wish -I could shut up like a telescope! I think I could, if I only -know how to begin.' For, you see, so many out-of-the-way things -had happened lately, that Alice had begun to think that very few -things indeed were really impossible. - - There seemed to be no use in waiting by the little door, so she -went back to the table, half hoping she might find another key on -it, or at any rate a book of rules for shutting people up like -telescopes: this time she found a little bottle on it, (`which -certainly was not here before,' said Alice,) and round the neck -of the bottle was a paper label, with the words `DRINK ME' -beautifully printed on it in large letters. - - It was all very well to say `Drink me,' but the wise little -Alice was not going to do THAT in a hurry. `No, I'll look -first,' she said, `and see whether it's marked "poison" or not'; -for she had read several nice little histories about children who -had got burnt, and eaten up by wild beasts and other unpleasant -things, all because they WOULD not remember the simple rules -their friends had taught them: such as, that a red-hot poker -will burn you if you hold it too long; and that if you cut your -finger VERY deeply with a knife, it usually bleeds; and she had -never forgotten that, if you drink much from a bottle marked -`poison,' it is almost certain to disagree with you, sooner or -later. - - However, this bottle was NOT marked `poison,' so Alice ventured -to taste it, and finding it very nice, (it had, in fact, a sort -of mixed flavour of cherry-tart, custard, pine-apple, roast -turkey, toffee, and hot buttered toast,) she very soon finished -it off. - - * * * * * * * - - * * * * * * - - * * * * * * * - - `What a curious feeling!' said Alice; `I must be shutting up -like a telescope.' - - And so it was indeed: she was now only ten inches high, and -her face brightened up at the thought that she was now the right -size for going though the little door into that lovely garden. -First, however, she waited for a few minutes to see if she was -going to shrink any further: she felt a little nervous about -this; `for it might end, you know,' said Alice to herself, `in my -going out altogether, like a candle. I wonder what I should be -like then?' And she tried to fancy what the flame of a candle is -like after the candle is blown out, for she could not remember -ever having seen such a thing. - - After a while, finding that nothing more happened, she decided -on going into the garden at once; but, alas for poor Alice! when -she got to the door, she found he had forgotten the little golden -key, and when she went back to the table for it, she found she -could not possibly reach it: she could see it quite plainly -through the glass, and she tried her best to climb up one of the -legs of the table, but it was too slippery; and when she had -tired herself out with trying, the poor little thing sat down and -cried. - - `Come, there's no use in crying like that!' said Alice to -herself, rather sharply; `I advise you to leave off this minute!' -She generally gave herself very good advice, (though she very -seldom followed it), and sometimes she scolded herself so -severely as to bring tears into her eyes; and once she remembered -trying to box her own ears for having cheated herself in a game -of croquet she was playing against herself, for this curious -child was very fond of pretending to be two people. `But it's no -use now,' thought poor Alice, `to pretend to be two people! Why, -there's hardly enough of me left to make ONE respectable -person!' - - Soon her eye fell on a little glass box that was lying under -the table: she opened it, and found in it a very small cake, on -which the words `EAT ME' were beautifully marked in currants. -`Well, I'll eat it,' said Alice, `and if it makes me grow larger, -I can reach the key; and if it makes me grow smaller, I can creep -under the door; so either way I'll get into the garden, and I -don't care which happens!' - - She ate a little bit, and said anxiously to herself, `Which -way? Which way?', holding her hand on the top of her head to -feel which way it was growing, and she was quite surprised to -find that she remained the same size: to be sure, this generally -happens when one eats cake, but Alice had got so much into the -way of expecting nothing but out-of-the-way things to happen, -that it seemed quite dull and stupid for life to go on in the -common way. - - So she set to work, and very soon finished off the cake. - - * * * * * * * - - * * * * * * - - * * * * * * * - - - - - CHAPTER II - - The Pool of Tears - - - `Curiouser and curiouser!' cried Alice (she was so much -surprised, that for the moment she quite forgot how to speak good -English); `now I'm opening out like the largest telescope that -ever was! Good-bye, feet!' (for when she looked down at her -feet, they seemed to be almost out of sight, they were getting so -far off). `Oh, my poor little feet, I wonder who will put on -your shoes and stockings for you now, dears? I'm sure _I_ shan't -be able! I shall be a great deal too far off to trouble myself -about you: you must manage the best way you can; --but I must be -kind to them,' thought Alice, `or perhaps they won't walk the -way I want to go! Let me see: I'll give them a new pair of -boots every Christmas.' - - And she went on planning to herself how she would manage it. -`They must go by the carrier,' she thought; `and how funny it'll -seem, sending presents to one's own feet! And how odd the -directions will look! - - ALICE'S RIGHT FOOT, ESQ. - HEARTHRUG, - NEAR THE FENDER, - (WITH ALICE'S LOVE). - -Oh dear, what nonsense I'm talking!' - - Just then her head struck against the roof of the hall: in -fact she was now more than nine feet high, and she at once took -up the little golden key and hurried off to the garden door. - - Poor Alice! It was as much as she could do, lying down on one -side, to look through into the garden with one eye; but to get -through was more hopeless than ever: she sat down and began to -cry again. - - `You ought to be ashamed of yourself,' said Alice, `a great -girl like you,' (she might well say this), `to go on crying in -this way! Stop this moment, I tell you!' But she went on all -the same, shedding gallons of tears, until there was a large pool -all round her, about four inches deep and reaching half down the -hall. - - After a time she heard a little pattering of feet in the -distance, and she hastily dried her eyes to see what was coming. -It was the White Rabbit returning, splendidly dressed, with a -pair of white kid gloves in one hand and a large fan in the -other: he came trotting along in a great hurry, muttering to -himself as he came, `Oh! the Duchess, the Duchess! Oh! won't she -be savage if I've kept her waiting!' Alice felt so desperate -that she was ready to ask help of any one; so, when the Rabbit -came near her, she began, in a low, timid voice, `If you please, -sir--' The Rabbit started violently, dropped the white kid -gloves and the fan, and skurried away into the darkness as hard -as he could go. - - Alice took up the fan and gloves, and, as the hall was very -hot, she kept fanning herself all the time she went on talking: -`Dear, dear! How queer everything is to-day! And yesterday -things went on just as usual. I wonder if I've been changed in -the night? Let me think: was I the same when I got up this -morning? I almost think I can remember feeling a little -different. But if I'm not the same, the next question is, Who in -the world am I? Ah, THAT'S the great puzzle!' And she began -thinking over all the children she knew that were of the same age -as herself, to see if she could have been changed for any of -them. - - `I'm sure I'm not Ada,' she said, `for her hair goes in such -long ringlets, and mine doesn't go in ringlets at all; and I'm -sure I can't be Mabel, for I know all sorts of things, and she, -oh! she knows such a very little! Besides, SHE'S she, and I'm I, -and--oh dear, how puzzling it all is! I'll try if I know all the -things I used to know. Let me see: four times five is twelve, -and four times six is thirteen, and four times seven is--oh dear! -I shall never get to twenty at that rate! However, the -Multiplication Table doesn't signify: let's try Geography. -London is the capital of Paris, and Paris is the capital of Rome, -and Rome--no, THAT'S all wrong, I'm certain! I must have been -changed for Mabel! I'll try and say "How doth the little--"' -and she crossed her hands on her lap as if she were saying lessons, -and began to repeat it, but her voice sounded hoarse and -strange, and the words did not come the same as they used to do:-- - - `How doth the little crocodile - Improve his shining tail, - And pour the waters of the Nile - On every golden scale! - - `How cheerfully he seems to grin, - How neatly spread his claws, - And welcome little fishes in - With gently smiling jaws!' - - `I'm sure those are not the right words,' said poor Alice, and -her eyes filled with tears again as she went on, `I must be Mabel -after all, and I shall have to go and live in that poky little -house, and have next to no toys to play with, and oh! ever so -many lessons to learn! No, I've made up my mind about it; if I'm -Mabel, I'll stay down here! It'll be no use their putting their -heads down and saying "Come up again, dear!" I shall only look -up and say "Who am I then? Tell me that first, and then, if I -like being that person, I'll come up: if not, I'll stay down -here till I'm somebody else"--but, oh dear!' cried Alice, with a -sudden burst of tears, `I do wish they WOULD put their heads -down! I am so VERY tired of being all alone here!' - - As she said this she looked down at her hands, and was -surprised to see that she had put on one of the Rabbit's little -white kid gloves while she was talking. `How CAN I have done -that?' she thought. `I must be growing small again.' She got up -and went to the table to measure herself by it, and found that, -as nearly as she could guess, she was now about two feet high, -and was going on shrinking rapidly: she soon found out that the -cause of this was the fan she was holding, and she dropped it -hastily, just in time to avoid shrinking away altogether. - -`That WAS a narrow escape!' said Alice, a good deal frightened at -the sudden change, but very glad to find herself still in -existence; `and now for the garden!' and she ran with all speed -back to the little door: but, alas! the little door was shut -again, and the little golden key was lying on the glass table as -before, `and things are worse than ever,' thought the poor child, -`for I never was so small as this before, never! And I declare -it's too bad, that it is!' - - As she said these words her foot slipped, and in another -moment, splash! she was up to her chin in salt water. He first -idea was that she had somehow fallen into the sea, `and in that -case I can go back by railway,' she said to herself. (Alice had -been to the seaside once in her life, and had come to the general -conclusion, that wherever you go to on the English coast you find -a number of bathing machines in the sea, some children digging in -the sand with wooden spades, then a row of lodging houses, and -behind them a railway station.) However, she soon made out that -she was in the pool of tears which she had wept when she was nine -feet high. - - `I wish I hadn't cried so much!' said Alice, as she swam about, -trying to find her way out. `I shall be punished for it now, I -suppose, by being drowned in my own tears! That WILL be a queer -thing, to be sure! However, everything is queer to-day.' - - Just then she heard something splashing about in the pool a -little way off, and she swam nearer to make out what it was: at -first she thought it must be a walrus or hippopotamus, but then -she remembered how small she was now, and she soon made out that -it was only a mouse that had slipped in like herself. - - `Would it be of any use, now,' thought Alice, `to speak to this -mouse? Everything is so out-of-the-way down here, that I should -think very likely it can talk: at any rate, there's no harm in -trying.' So she began: `O Mouse, do you know the way out of -this pool? I am very tired of swimming about here, O Mouse!' -(Alice thought this must be the right way of speaking to a mouse: -she had never done such a thing before, but she remembered having -seen in her brother's Latin Grammar, `A mouse--of a mouse--to a -mouse--a mouse--O mouse!' The Mouse looked at her rather -inquisitively, and seemed to her to wink with one of its little -eyes, but it said nothing. - - `Perhaps it doesn't understand English,' thought Alice; `I -daresay it's a French mouse, come over with William the -Conqueror.' (For, with all her knowledge of history, Alice had -no very clear notion how long ago anything had happened.) So she -began again: `Ou est ma chatte?' which was the first sentence in -her French lesson-book. The Mouse gave a sudden leap out of the -water, and seemed to quiver all over with fright. `Oh, I beg -your pardon!' cried Alice hastily, afraid that she had hurt the -poor animal's feelings. `I quite forgot you didn't like cats.' - - `Not like cats!' cried the Mouse, in a shrill, passionate -voice. `Would YOU like cats if you were me?' - - `Well, perhaps not,' said Alice in a soothing tone: `don't be -angry about it. And yet I wish I could show you our cat Dinah: -I think you'd take a fancy to cats if you could only see her. -She is such a dear quiet thing,' Alice went on, half to herself, -as she swam lazily about in the pool, `and she sits purring so -nicely by the fire, licking her paws and washing her face--and -she is such a nice soft thing to nurse--and she's such a capital -one for catching mice--oh, I beg your pardon!' cried Alice again, -for this time the Mouse was bristling all over, and she felt -certain it must be really offended. `We won't talk about her any -more if you'd rather not.' - - `We indeed!' cried the Mouse, who was trembling down to the end -of his tail. `As if I would talk on such a subject! Our family -always HATED cats: nasty, low, vulgar things! Don't let me hear -the name again!' - - `I won't indeed!' said Alice, in a great hurry to change the -subject of conversation. `Are you--are you fond--of--of dogs?' -The Mouse did not answer, so Alice went on eagerly: `There is -such a nice little dog near our house I should like to show you! -A little bright-eyed terrier, you know, with oh, such long curly -brown hair! And it'll fetch things when you throw them, and -it'll sit up and beg for its dinner, and all sorts of things--I -can't remember half of them--and it belongs to a farmer, you -know, and he says it's so useful, it's worth a hundred pounds! -He says it kills all the rats and--oh dear!' cried Alice in a -sorrowful tone, `I'm afraid I've offended it again!' For the -Mouse was swimming away from her as hard as it could go, and -making quite a commotion in the pool as it went. - - So she called softly after it, `Mouse dear! Do come back -again, and we won't talk about cats or dogs either, if you don't -like them!' When the Mouse heard this, it turned round and swam -slowly back to her: its face was quite pale (with passion, Alice -thought), and it said in a low trembling voice, `Let us get to -the shore, and then I'll tell you my history, and you'll -understand why it is I hate cats and dogs.' - - It was high time to go, for the pool was getting quite crowded -with the birds and animals that had fallen into it: there were a -Duck and a Dodo, a Lory and an Eaglet, and several other curious -creatures. Alice led the way, and the whole party swam to the -shore. - - - - CHAPTER III - - A Caucus-Race and a Long Tale - - - They were indeed a queer-looking party that assembled on the -bank--the birds with draggled feathers, the animals with their -fur clinging close to them, and all dripping wet, cross, and -uncomfortable. - - The first question of course was, how to get dry again: they -had a consultation about this, and after a few minutes it seemed -quite natural to Alice to find herself talking familiarly with -them, as if she had known them all her life. Indeed, she had -quite a long argument with the Lory, who at last turned sulky, -and would only say, `I am older than you, and must know better'; -and this Alice would not allow without knowing how old it was, -and, as the Lory positively refused to tell its age, there was no -more to be said. - - At last the Mouse, who seemed to be a person of authority among -them, called out, `Sit down, all of you, and listen to me! I'LL -soon make you dry enough!' They all sat down at once, in a large -ring, with the Mouse in the middle. Alice kept her eyes -anxiously fixed on it, for she felt sure she would catch a bad -cold if she did not get dry very soon. - - `Ahem!' said the Mouse with an important air, `are you all ready? -This is the driest thing I know. Silence all round, if you please! -"William the Conqueror, whose cause was favoured by the pope, was -soon submitted to by the English, who wanted leaders, and had been -of late much accustomed to usurpation and conquest. Edwin and -Morcar, the earls of Mercia and Northumbria--"' - - `Ugh!' said the Lory, with a shiver. - - `I beg your pardon!' said the Mouse, frowning, but very -politely: `Did you speak?' - - `Not I!' said the Lory hastily. - - `I thought you did,' said the Mouse. `--I proceed. "Edwin and -Morcar, the earls of Mercia and Northumbria, declared for him: -and even Stigand, the patriotic archbishop of Canterbury, found -it advisable--"' - - `Found WHAT?' said the Duck. - - `Found IT,' the Mouse replied rather crossly: `of course you -know what "it" means.' - - `I know what "it" means well enough, when I find a thing,' said -the Duck: `it's generally a frog or a worm. The question is, -what did the archbishop find?' - - The Mouse did not notice this question, but hurriedly went on, -`"--found it advisable to go with Edgar Atheling to meet William -and offer him the crown. William's conduct at first was -moderate. But the insolence of his Normans--" How are you -getting on now, my dear?' it continued, turning to Alice as it -spoke. - - `As wet as ever,' said Alice in a melancholy tone: `it doesn't -seem to dry me at all.' - - `In that case,' said the Dodo solemnly, rising to its feet, `I -move that the meeting adjourn, for the immediate adoption of more -energetic remedies--' - - `Speak English!' said the Eaglet. `I don't know the meaning of -half those long words, and, what's more, I don't believe you do -either!' And the Eaglet bent down its head to hide a smile: -some of the other birds tittered audibly. - - `What I was going to say,' said the Dodo in an offended tone, -`was, that the best thing to get us dry would be a Caucus-race.' - - `What IS a Caucus-race?' said Alice; not that she wanted much -to know, but the Dodo had paused as if it thought that SOMEBODY -ought to speak, and no one else seemed inclined to say anything. - - `Why,' said the Dodo, `the best way to explain it is to do it.' -(And, as you might like to try the thing yourself, some winter -day, I will tell you how the Dodo managed it.) - - First it marked out a race-course, in a sort of circle, (`the -exact shape doesn't matter,' it said,) and then all the party -were placed along the course, here and there. There was no `One, -two, three, and away,' but they began running when they liked, -and left off when they liked, so that it was not easy to know -when the race was over. However, when they had been running half -an hour or so, and were quite dry again, the Dodo suddenly called -out `The race is over!' and they all crowded round it, panting, -and asking, `But who has won?' - - This question the Dodo could not answer without a great deal of -thought, and it sat for a long time with one finger pressed upon -its forehead (the position in which you usually see Shakespeare, -in the pictures of him), while the rest waited in silence. At -last the Dodo said, `EVERYBODY has won, and all must have -prizes.' - - `But who is to give the prizes?' quite a chorus of voices -asked. - - `Why, SHE, of course,' said the Dodo, pointing to Alice with -one finger; and the whole party at once crowded round her, -calling out in a confused way, `Prizes! Prizes!' - - Alice had no idea what to do, and in despair she put her hand -in her pocket, and pulled out a box of comfits, (luckily the salt -water had not got into it), and handed them round as prizes. -There was exactly one a-piece all round. - - `But she must have a prize herself, you know,' said the Mouse. - - `Of course,' the Dodo replied very gravely. `What else have -you got in your pocket?' he went on, turning to Alice. - - `Only a thimble,' said Alice sadly. - - `Hand it over here,' said the Dodo. - - Then they all crowded round her once more, while the Dodo -solemnly presented the thimble, saying `We beg your acceptance of -this elegant thimble'; and, when it had finished this short -speech, they all cheered. - - Alice thought the whole thing very absurd, but they all looked -so grave that she did not dare to laugh; and, as she could not -think of anything to say, she simply bowed, and took the thimble, -looking as solemn as she could. - - The next thing was to eat the comfits: this caused some noise -and confusion, as the large birds complained that they could not -taste theirs, and the small ones choked and had to be patted on -the back. However, it was over at last, and they sat down again -in a ring, and begged the Mouse to tell them something more. - - `You promised to tell me your history, you know,' said Alice, -`and why it is you hate--C and D,' she added in a whisper, half -afraid that it would be offended again. - - `Mine is a long and a sad tale!' said the Mouse, turning to -Alice, and sighing. - - `It IS a long tail, certainly,' said Alice, looking down with -wonder at the Mouse's tail; `but why do you call it sad?' And -she kept on puzzling about it while the Mouse was speaking, so -that her idea of the tale was something like this:-- - - `Fury said to a - mouse, That he - met in the - house, - "Let us - both go to - law: I will - prosecute - YOU. --Come, - I'll take no - denial; We - must have a - trial: For - really this - morning I've - nothing - to do." - Said the - mouse to the - cur, "Such - a trial, - dear Sir, - With - no jury - or judge, - would be - wasting - our - breath." - "I'll be - judge, I'll - be jury," - Said - cunning - old Fury: - "I'll - try the - whole - cause, - and - condemn - you - to - death."' - - - `You are not attending!' said the Mouse to Alice severely. -`What are you thinking of?' - - `I beg your pardon,' said Alice very humbly: `you had got to -the fifth bend, I think?' - - `I had NOT!' cried the Mouse, sharply and very angrily. - - `A knot!' said Alice, always ready to make herself useful, and -looking anxiously about her. `Oh, do let me help to undo it!' - - `I shall do nothing of the sort,' said the Mouse, getting up -and walking away. `You insult me by talking such nonsense!' - - `I didn't mean it!' pleaded poor Alice. `But you're so easily -offended, you know!' - - The Mouse only growled in reply. - - `Please come back and finish your story!' Alice called after -it; and the others all joined in chorus, `Yes, please do!' but -the Mouse only shook its head impatiently, and walked a little -quicker. - - `What a pity it wouldn't stay!' sighed the Lory, as soon as it -was quite out of sight; and an old Crab took the opportunity of -saying to her daughter `Ah, my dear! Let this be a lesson to you -never to lose YOUR temper!' `Hold your tongue, Ma!' said the -young Crab, a little snappishly. `You're enough to try the -patience of an oyster!' - - `I wish I had our Dinah here, I know I do!' said Alice aloud, -addressing nobody in particular. `She'd soon fetch it back!' - - `And who is Dinah, if I might venture to ask the question?' -said the Lory. - - Alice replied eagerly, for she was always ready to talk about -her pet: `Dinah's our cat. And she's such a capital one for -catching mice you can't think! And oh, I wish you could see her -after the birds! Why, she'll eat a little bird as soon as look -at it!' - - This speech caused a remarkable sensation among the party. -Some of the birds hurried off at once: one the old Magpie began -wrapping itself up very carefully, remarking, `I really must be -getting home; the night-air doesn't suit my throat!' and a Canary -called out in a trembling voice to its children, `Come away, my -dears! It's high time you were all in bed!' On various pretexts -they all moved off, and Alice was soon left alone. - - `I wish I hadn't mentioned Dinah!' she said to herself in a -melancholy tone. `Nobody seems to like her, down here, and I'm -sure she's the best cat in the world! Oh, my dear Dinah! I -wonder if I shall ever see you any more!' And here poor Alice -began to cry again, for she felt very lonely and low-spirited. -In a little while, however, she again heard a little pattering of -footsteps in the distance, and she looked up eagerly, half hoping -that the Mouse had changed his mind, and was coming back to -finish his story. - - - - CHAPTER IV - - The Rabbit Sends in a Little Bill - - - It was the White Rabbit, trotting slowly back again, and -looking anxiously about as it went, as if it had lost something; -and she heard it muttering to itself `The Duchess! The Duchess! -Oh my dear paws! Oh my fur and whiskers! She'll get me -executed, as sure as ferrets are ferrets! Where CAN I have -dropped them, I wonder?' Alice guessed in a moment that it was -looking for the fan and the pair of white kid gloves, and she -very good-naturedly began hunting about for them, but they were -nowhere to be seen--everything seemed to have changed since her -swim in the pool, and the great hall, with the glass table and -the little door, had vanished completely. - - Very soon the Rabbit noticed Alice, as she went hunting about, -and called out to her in an angry tone, `Why, Mary Ann, what ARE -you doing out here? Run home this moment, and fetch me a pair of -gloves and a fan! Quick, now!' And Alice was so much frightened -that she ran off at once in the direction it pointed to, without -trying to explain the mistake it had made. - - `He took me for his housemaid,' she said to herself as she ran. -`How surprised he'll be when he finds out who I am! But I'd -better take him his fan and gloves--that is, if I can find them.' -As she said this, she came upon a neat little house, on the door -of which was a bright brass plate with the name `W. RABBIT' -engraved upon it. She went in without knocking, and hurried -upstairs, in great fear lest she should meet the real Mary Ann, -and be turned out of the house before she had found the fan and -gloves. - - `How queer it seems,' Alice said to herself, `to be going -messages for a rabbit! I suppose Dinah'll be sending me on -messages next!' And she began fancying the sort of thing that -would happen: `"Miss Alice! Come here directly, and get ready -for your walk!" "Coming in a minute, nurse! But I've got to see -that the mouse doesn't get out." Only I don't think,' Alice went -on, `that they'd let Dinah stop in the house if it began ordering -people about like that!' - - By this time she had found her way into a tidy little room with -a table in the window, and on it (as she had hoped) a fan and two -or three pairs of tiny white kid gloves: she took up the fan and -a pair of the gloves, and was just going to leave the room, when -her eye fell upon a little bottle that stood near the looking- -glass. There was no label this time with the words `DRINK ME,' -but nevertheless she uncorked it and put it to her lips. `I know -SOMETHING interesting is sure to happen,' she said to herself, -`whenever I eat or drink anything; so I'll just see what this -bottle does. I do hope it'll make me grow large again, for -really I'm quite tired of being such a tiny little thing!' - - It did so indeed, and much sooner than she had expected: -before she had drunk half the bottle, she found her head pressing -against the ceiling, and had to stoop to save her neck from being -broken. She hastily put down the bottle, saying to herself -`That's quite enough--I hope I shan't grow any more--As it is, I -can't get out at the door--I do wish I hadn't drunk quite so -much!' - - Alas! it was too late to wish that! She went on growing, and -growing, and very soon had to kneel down on the floor: in -another minute there was not even room for this, and she tried -the effect of lying down with one elbow against the door, and the -other arm curled round her head. Still she went on growing, and, -as a last resource, she put one arm out of the window, and one -foot up the chimney, and said to herself `Now I can do no more, -whatever happens. What WILL become of me?' - - Luckily for Alice, the little magic bottle had now had its full -effect, and she grew no larger: still it was very uncomfortable, -and, as there seemed to be no sort of chance of her ever getting -out of the room again, no wonder she felt unhappy. - - `It was much pleasanter at home,' thought poor Alice, `when one -wasn't always growing larger and smaller, and being ordered about -by mice and rabbits. I almost wish I hadn't gone down that -rabbit-hole--and yet--and yet--it's rather curious, you know, -this sort of life! I do wonder what CAN have happened to me! -When I used to read fairy-tales, I fancied that kind of thing -never happened, and now here I am in the middle of one! There -ought to be a book written about me, that there ought! And when -I grow up, I'll write one--but I'm grown up now,' she added in a -sorrowful tone; `at least there's no room to grow up any more -HERE.' - - `But then,' thought Alice, `shall I NEVER get any older than I -am now? That'll be a comfort, one way--never to be an old woman- --but then--always to have lessons to learn! Oh, I shouldn't like -THAT!' - - `Oh, you foolish Alice!' she answered herself. `How can you -learn lessons in here? Why, there's hardly room for YOU, and no -room at all for any lesson-books!' - - And so she went on, taking first one side and then the other, -and making quite a conversation of it altogether; but after a few -minutes she heard a voice outside, and stopped to listen. - - `Mary Ann! Mary Ann!' said the voice. `Fetch me my gloves -this moment!' Then came a little pattering of feet on the -stairs. Alice knew it was the Rabbit coming to look for her, and -she trembled till she shook the house, quite forgetting that she -was now about a thousand times as large as the Rabbit, and had no -reason to be afraid of it. - - Presently the Rabbit came up to the door, and tried to open it; -but, as the door opened inwards, and Alice's elbow was pressed -hard against it, that attempt proved a failure. Alice heard it -say to itself `Then I'll go round and get in at the window.' - - `THAT you won't' thought Alice, and, after waiting till she -fancied she heard the Rabbit just under the window, she suddenly -spread out her hand, and made a snatch in the air. She did not -get hold of anything, but she heard a little shriek and a fall, -and a crash of broken glass, from which she concluded that it was -just possible it had fallen into a cucumber-frame, or something -of the sort. - - Next came an angry voice--the Rabbit's--`Pat! Pat! Where are -you?' And then a voice she had never heard before, `Sure then -I'm here! Digging for apples, yer honour!' - - `Digging for apples, indeed!' said the Rabbit angrily. `Here! -Come and help me out of THIS!' (Sounds of more broken glass.) - - `Now tell me, Pat, what's that in the window?' - - `Sure, it's an arm, yer honour!' (He pronounced it `arrum.') - - `An arm, you goose! Who ever saw one that size? Why, it -fills the whole window!' - - `Sure, it does, yer honour: but it's an arm for all that.' - - `Well, it's got no business there, at any rate: go and take it -away!' - - There was a long silence after this, and Alice could only hear -whispers now and then; such as, `Sure, I don't like it, yer -honour, at all, at all!' `Do as I tell you, you coward!' and at -last she spread out her hand again, and made another snatch in -the air. This time there were TWO little shrieks, and more -sounds of broken glass. `What a number of cucumber-frames there -must be!' thought Alice. `I wonder what they'll do next! As for -pulling me out of the window, I only wish they COULD! I'm sure I -don't want to stay in here any longer!' - - She waited for some time without hearing anything more: at -last came a rumbling of little cartwheels, and the sound of a -good many voice all talking together: she made out the words: -`Where's the other ladder?--Why, I hadn't to bring but one; -Bill's got the other--Bill! fetch it here, lad!--Here, put 'em up -at this corner--No, tie 'em together first--they don't reach half -high enough yet--Oh! they'll do well enough; don't be particular- --Here, Bill! catch hold of this rope--Will the roof bear?--Mind -that loose slate--Oh, it's coming down! Heads below!' (a loud -crash)--`Now, who did that?--It was Bill, I fancy--Who's to go -down the chimney?--Nay, I shan't! YOU do it!--That I won't, -then!--Bill's to go down--Here, Bill! the master says you're to -go down the chimney!' - - `Oh! So Bill's got to come down the chimney, has he?' said -Alice to herself. `Shy, they seem to put everything upon Bill! -I wouldn't be in Bill's place for a good deal: this fireplace is -narrow, to be sure; but I THINK I can kick a little!' - - She drew her foot as far down the chimney as she could, and -waited till she heard a little animal (she couldn't guess of what -sort it was) scratching and scrambling about in the chimney close -above her: then, saying to herself `This is Bill,' she gave one -sharp kick, and waited to see what would happen next. - - The first thing she heard was a general chorus of `There goes -Bill!' then the Rabbit's voice along--`Catch him, you by the -hedge!' then silence, and then another confusion of voices--`Hold -up his head--Brandy now--Don't choke him--How was it, old fellow? -What happened to you? Tell us all about it!' - - Last came a little feeble, squeaking voice, (`That's Bill,' -thought Alice,) `Well, I hardly know--No more, thank ye; I'm -better now--but I'm a deal too flustered to tell you--all I know -is, something comes at me like a Jack-in-the-box, and up I goes -like a sky-rocket!' - - `So you did, old fellow!' said the others. - - `We must burn the house down!' said the Rabbit's voice; and -Alice called out as loud as she could, `If you do. I'll set -Dinah at you!' - - There was a dead silence instantly, and Alice thought to -herself, `I wonder what they WILL do next! If they had any -sense, they'd take the roof off.' After a minute or two, they -began moving about again, and Alice heard the Rabbit say, `A -barrowful will do, to begin with.' - - `A barrowful of WHAT?' thought Alice; but she had not long to -doubt, for the next moment a shower of little pebbles came -rattling in at the window, and some of them hit her in the face. -`I'll put a stop to this,' she said to herself, and shouted out, -`You'd better not do that again!' which produced another dead -silence. - - Alice noticed with some surprise that the pebbles were all -turning into little cakes as they lay on the floor, and a bright -idea came into her head. `If I eat one of these cakes,' she -thought, `it's sure to make SOME change in my size; and as it -can't possibly make me larger, it must make me smaller, I -suppose.' - - So she swallowed one of the cakes, and was delighted to find -that she began shrinking directly. As soon as she was small -enough to get through the door, she ran out of the house, and -found quite a crowd of little animals and birds waiting outside. -The poor little Lizard, Bill, was in the middle, being held up by -two guinea-pigs, who were giving it something out of a bottle. -They all made a rush at Alice the moment she appeared; but she -ran off as hard as she could, and soon found herself safe in a -thick wood. - - `The first thing I've got to do,' said Alice to herself, as she -wandered about in the wood, `is to grow to my right size again; -and the second thing is to find my way into that lovely garden. -I think that will be the best plan.' - - It sounded an excellent plan, no doubt, and very neatly and -simply arranged; the only difficulty was, that she had not the -smallest idea how to set about it; and while she was peering -about anxiously among the trees, a little sharp bark just over -her head made her look up in a great hurry. - - An enormous puppy was looking down at her with large round -eyes, and feebly stretching out one paw, trying to touch her. -`Poor little thing!' said Alice, in a coaxing tone, and she tried -hard to whistle to it; but she was terribly frightened all the -time at the thought that it might be hungry, in which case it -would be very likely to eat her up in spite of all her coaxing. - - Hardly knowing what she did, she picked up a little bit of -stick, and held it out to the puppy; whereupon the puppy jumped -into the air off all its feet at once, with a yelp of delight, -and rushed at the stick, and made believe to worry it; then Alice -dodged behind a great thistle, to keep herself from being run -over; and the moment she appeared on the other side, the puppy -made another rush at the stick, and tumbled head over heels in -its hurry to get hold of it; then Alice, thinking it was very -like having a game of play with a cart-horse, and expecting every -moment to be trampled under its feet, ran round the thistle -again; then the puppy began a series of short charges at the -stick, running a very little way forwards each time and a long -way back, and barking hoarsely all the while, till at last it sat -down a good way off, panting, with its tongue hanging out of its -mouth, and its great eyes half shut. - - This seemed to Alice a good opportunity for making her escape; -so she set off at once, and ran till she was quite tired and out -of breath, and till the puppy's bark sounded quite faint in the -distance. - - `And yet what a dear little puppy it was!' said Alice, as she -leant against a buttercup to rest herself, and fanned herself -with one of the leaves: `I should have liked teaching it tricks -very much, if--if I'd only been the right size to do it! Oh -dear! I'd nearly forgotten that I've got to grow up again! Let -me see--how IS it to be managed? I suppose I ought to eat or -drink something or other; but the great question is, what?' - - The great question certainly was, what? Alice looked all round -her at the flowers and the blades of grass, but she did not see -anything that looked like the right thing to eat or drink under -the circumstances. There was a large mushroom growing near her, -about the same height as herself; and when she had looked under -it, and on both sides of it, and behind it, it occurred to her -that she might as well look and see what was on the top of it. - - She stretched herself up on tiptoe, and peeped over the edge of -the mushroom, and her eyes immediately met those of a large -caterpillar, that was sitting on the top with its arms folded, -quietly smoking a long hookah, and taking not the smallest notice -of her or of anything else. - - - - CHAPTER V - - Advice from a Caterpillar - - - The Caterpillar and Alice looked at each other for some time in -silence: at last the Caterpillar took the hookah out of its -mouth, and addressed her in a languid, sleepy voice. - - `Who are YOU?' said the Caterpillar. - - This was not an encouraging opening for a conversation. Alice -replied, rather shyly, `I--I hardly know, sir, just at present-- -at least I know who I WAS when I got up this morning, but I think -I must have been changed several times since then.' - - `What do you mean by that?' said the Caterpillar sternly. -`Explain yourself!' - - `I can't explain MYSELF, I'm afraid, sir' said Alice, `because -I'm not myself, you see.' - - `I don't see,' said the Caterpillar. - - `I'm afraid I can't put it more clearly,' Alice replied very -politely, `for I can't understand it myself to begin with; and -being so many different sizes in a day is very confusing.' - - `It isn't,' said the Caterpillar. - - `Well, perhaps you haven't found it so yet,' said Alice; `but -when you have to turn into a chrysalis--you will some day, you -know--and then after that into a butterfly, I should think you'll -feel it a little queer, won't you?' - - `Not a bit,' said the Caterpillar. - - `Well, perhaps your feelings may be different,' said Alice; -`all I know is, it would feel very queer to ME.' - - `You!' said the Caterpillar contemptuously. `Who are YOU?' - - Which brought them back again to the beginning of the -conversation. Alice felt a little irritated at the Caterpillar's -making such VERY short remarks, and she drew herself up and said, -very gravely, `I think, you ought to tell me who YOU are, first.' - - `Why?' said the Caterpillar. - - Here was another puzzling question; and as Alice could not -think of any good reason, and as the Caterpillar seemed to be in -a VERY unpleasant state of mind, she turned away. - - `Come back!' the Caterpillar called after her. `I've something -important to say!' - - This sounded promising, certainly: Alice turned and came back -again. - - `Keep your temper,' said the Caterpillar. - - `Is that all?' said Alice, swallowing down her anger as well as -she could. - - `No,' said the Caterpillar. - - Alice thought she might as well wait, as she had nothing else -to do, and perhaps after all it might tell her something worth -hearing. For some minutes it puffed away without speaking, but -at last it unfolded its arms, took the hookah out of its mouth -again, and said, `So you think you're changed, do you?' - - `I'm afraid I am, sir,' said Alice; `I can't remember things as -I used--and I don't keep the same size for ten minutes together!' - - `Can't remember WHAT things?' said the Caterpillar. - - `Well, I've tried to say "HOW DOTH THE LITTLE BUSY BEE," but it -all came different!' Alice replied in a very melancholy voice. - - `Repeat, "YOU ARE OLD, FATHER WILLIAM,"' said the Caterpillar. - - Alice folded her hands, and began:-- - - `You are old, Father William,' the young man said, - `And your hair has become very white; - And yet you incessantly stand on your head-- - Do you think, at your age, it is right?' - - `In my youth,' Father William replied to his son, - `I feared it might injure the brain; - But, now that I'm perfectly sure I have none, - Why, I do it again and again.' - - `You are old,' said the youth, `as I mentioned before, - And have grown most uncommonly fat; - Yet you turned a back-somersault in at the door-- - Pray, what is the reason of that?' - - `In my youth,' said the sage, as he shook his grey locks, - `I kept all my limbs very supple - By the use of this ointment--one shilling the box-- - Allow me to sell you a couple?' - - `You are old,' said the youth, `and your jaws are too weak - For anything tougher than suet; - Yet you finished the goose, with the bones and the beak-- - Pray how did you manage to do it?' - - `In my youth,' said his father, `I took to the law, - And argued each case with my wife; - And the muscular strength, which it gave to my jaw, - Has lasted the rest of my life.' - - `You are old,' said the youth, `one would hardly suppose - That your eye was as steady as ever; - Yet you balanced an eel on the end of your nose-- - What made you so awfully clever?' - - `I have answered three questions, and that is enough,' - Said his father; `don't give yourself airs! - Do you think I can listen all day to such stuff? - Be off, or I'll kick you down stairs!' - - - `That is not said right,' said the Caterpillar. - - `Not QUITE right, I'm afraid,' said Alice, timidly; `some of the -words have got altered.' - - `It is wrong from beginning to end,' said the Caterpillar -decidedly, and there was silence for some minutes. - - The Caterpillar was the first to speak. - - `What size do you want to be?' it asked. - - `Oh, I'm not particular as to size,' Alice hastily replied; -`only one doesn't like changing so often, you know.' - - `I DON'T know,' said the Caterpillar. - - Alice said nothing: she had never been so much contradicted in -her life before, and she felt that she was losing her temper. - - `Are you content now?' said the Caterpillar. - - `Well, I should like to be a LITTLE larger, sir, if you -wouldn't mind,' said Alice: `three inches is such a wretched -height to be.' - - `It is a very good height indeed!' said the Caterpillar -angrily, rearing itself upright as it spoke (it was exactly three -inches high). - - `But I'm not used to it!' pleaded poor Alice in a piteous tone. -And she thought of herself, `I wish the creatures wouldn't be so -easily offended!' - - `You'll get used to it in time,' said the Caterpillar; and it -put the hookah into its mouth and began smoking again. - - This time Alice waited patiently until it chose to speak again. -In a minute or two the Caterpillar took the hookah out of its -mouth and yawned once or twice, and shook itself. Then it got -down off the mushroom, and crawled away in the grass, merely -remarking as it went, `One side will make you grow taller, and -the other side will make you grow shorter.' - - `One side of WHAT? The other side of WHAT?' thought Alice to -herself. - - `Of the mushroom,' said the Caterpillar, just as if she had -asked it aloud; and in another moment it was out of sight. - - Alice remained looking thoughtfully at the mushroom for a -minute, trying to make out which were the two sides of it; and as -it was perfectly round, she found this a very difficult question. -However, at last she stretched her arms round it as far as they -would go, and broke off a bit of the edge with each hand. - - `And now which is which?' she said to herself, and nibbled a -little of the right-hand bit to try the effect: the next moment -she felt a violent blow underneath her chin: it had struck her -foot! - - She was a good deal frightened by this very sudden change, but -she felt that there was no time to be lost, as she was shrinking -rapidly; so she set to work at once to eat some of the other bit. -Her chin was pressed so closely against her foot, that there was -hardly room to open her mouth; but she did it at last, and -managed to swallow a morsel of the lefthand bit. - - - * * * * * * * - - * * * * * * - - * * * * * * * - - `Come, my head's free at last!' said Alice in a tone of -delight, which changed into alarm in another moment, when she -found that her shoulders were nowhere to be found: all she could -see, when she looked down, was an immense length of neck, which -seemed to rise like a stalk out of a sea of green leaves that lay -far below her. - - `What CAN all that green stuff be?' said Alice. `And where -HAVE my shoulders got to? And oh, my poor hands, how is it I -can't see you?' She was moving them about as she spoke, but no -result seemed to follow, except a little shaking among the -distant green leaves. - - As there seemed to be no chance of getting her hands up to her -head, she tried to get her head down to them, and was delighted -to find that her neck would bend about easily in any direction, -like a serpent. She had just succeeded in curving it down into a -graceful zigzag, and was going to dive in among the leaves, which -she found to be nothing but the tops of the trees under which she -had been wandering, when a sharp hiss made her draw back in a -hurry: a large pigeon had flown into her face, and was beating -her violently with its wings. - - `Serpent!' screamed the Pigeon. - - `I'm NOT a serpent!' said Alice indignantly. `Let me alone!' - - `Serpent, I say again!' repeated the Pigeon, but in a more -subdued tone, and added with a kind of sob, `I've tried every -way, and nothing seems to suit them!' - - `I haven't the least idea what you're talking about,' said -Alice. - - `I've tried the roots of trees, and I've tried banks, and I've -tried hedges,' the Pigeon went on, without attending to her; `but -those serpents! There's no pleasing them!' - - Alice was more and more puzzled, but she thought there was no -use in saying anything more till the Pigeon had finished. - - `As if it wasn't trouble enough hatching the eggs,' said the -Pigeon; `but I must be on the look-out for serpents night and -day! Why, I haven't had a wink of sleep these three weeks!' - - `I'm very sorry you've been annoyed,' said Alice, who was -beginning to see its meaning. - - `And just as I'd taken the highest tree in the wood,' continued -the Pigeon, raising its voice to a shriek, `and just as I was -thinking I should be free of them at last, they must needs come -wriggling down from the sky! Ugh, Serpent!' - - `But I'm NOT a serpent, I tell you!' said Alice. `I'm a--I'm -a--' - - `Well! WHAT are you?' said the Pigeon. `I can see you're -trying to invent something!' - - `I--I'm a little girl,' said Alice, rather doubtfully, as she -remembered the number of changes she had gone through that day. - - `A likely story indeed!' said the Pigeon in a tone of the -deepest contempt. `I've seen a good many little girls in my -time, but never ONE with such a neck as that! No, no! You're a -serpent; and there's no use denying it. I suppose you'll be -telling me next that you never tasted an egg!' - - `I HAVE tasted eggs, certainly,' said Alice, who was a very -truthful child; `but little girls eat eggs quite as much as -serpents do, you know.' - - `I don't believe it,' said the Pigeon; `but if they do, why -then they're a kind of serpent, that's all I can say.' - - This was such a new idea to Alice, that she was quite silent -for a minute or two, which gave the Pigeon the opportunity of -adding, `You're looking for eggs, I know THAT well enough; and -what does it matter to me whether you're a little girl or a -serpent?' - - `It matters a good deal to ME,' said Alice hastily; `but I'm -not looking for eggs, as it happens; and if I was, I shouldn't -want YOURS: I don't like them raw.' - - `Well, be off, then!' said the Pigeon in a sulky tone, as it -settled down again into its nest. Alice crouched down among the -trees as well as she could, for her neck kept getting entangled -among the branches, and every now and then she had to stop and -untwist it. After a while she remembered that she still held the -pieces of mushroom in her hands, and she set to work very -carefully, nibbling first at one and then at the other, and -growing sometimes taller and sometimes shorter, until she had -succeeded in bringing herself down to her usual height. - - It was so long since she had been anything near the right size, -that it felt quite strange at first; but she got used to it in a -few minutes, and began talking to herself, as usual. `Come, -there's half my plan done now! How puzzling all these changes -are! I'm never sure what I'm going to be, from one minute to -another! However, I've got back to my right size: the next -thing is, to get into that beautiful garden--how IS that to be -done, I wonder?' As she said this, she came suddenly upon an -open place, with a little house in it about four feet high. -`Whoever lives there,' thought Alice, `it'll never do to come -upon them THIS size: why, I should frighten them out of their -wits!' So she began nibbling at the righthand bit again, and did -not venture to go near the house till she had brought herself -down to nine inches high. - - - - CHAPTER VI - - Pig and Pepper - - - For a minute or two she stood looking at the house, and -wondering what to do next, when suddenly a footman in livery came -running out of the wood--(she considered him to be a footman -because he was in livery: otherwise, judging by his face only, -she would have called him a fish)--and rapped loudly at the door -with his knuckles. It was opened by another footman in livery, -with a round face, and large eyes like a frog; and both footmen, -Alice noticed, had powdered hair that curled all over their -heads. She felt very curious to know what it was all about, and -crept a little way out of the wood to listen. - - The Fish-Footman began by producing from under his arm a great -letter, nearly as large as himself, and this he handed over to -the other, saying, in a solemn tone, `For the Duchess. An -invitation from the Queen to play croquet.' The Frog-Footman -repeated, in the same solemn tone, only changing the order of the -words a little, `From the Queen. An invitation for the Duchess -to play croquet.' - - Then they both bowed low, and their curls got entangled -together. - - Alice laughed so much at this, that she had to run back into -the wood for fear of their hearing her; and when she next peeped -out the Fish-Footman was gone, and the other was sitting on the -ground near the door, staring stupidly up into the sky. - - Alice went timidly up to the door, and knocked. - - `There's no sort of use in knocking,' said the Footman, `and -that for two reasons. First, because I'm on the same side of the -door as you are; secondly, because they're making such a noise -inside, no one could possibly hear you.' And certainly there was -a most extraordinary noise going on within--a constant howling -and sneezing, and every now and then a great crash, as if a dish -or kettle had been broken to pieces. - - `Please, then,' said Alice, `how am I to get in?' - - `There might be some sense in your knocking,' the Footman went -on without attending to her, `if we had the door between us. For -instance, if you were INSIDE, you might knock, and I could let -you out, you know.' He was looking up into the sky all the time -he was speaking, and this Alice thought decidedly uncivil. `But -perhaps he can't help it,' she said to herself; `his eyes are so -VERY nearly at the top of his head. But at any rate he might -answer questions.--How am I to get in?' she repeated, aloud. - - `I shall sit here,' the Footman remarked, `till tomorrow--' - - At this moment the door of the house opened, and a large plate -came skimming out, straight at the Footman's head: it just -grazed his nose, and broke to pieces against one of the trees -behind him. - - `--or next day, maybe,' the Footman continued in the same tone, -exactly as if nothing had happened. - - `How am I to get in?' asked Alice again, in a louder tone. - - `ARE you to get in at all?' said the Footman. `That's the -first question, you know.' - - It was, no doubt: only Alice did not like to be told so. -`It's really dreadful,' she muttered to herself, `the way all the -creatures argue. It's enough to drive one crazy!' - - The Footman seemed to think this a good opportunity for -repeating his remark, with variations. `I shall sit here,' he -said, `on and off, for days and days.' - - `But what am I to do?' said Alice. - - `Anything you like,' said the Footman, and began whistling. - - `Oh, there's no use in talking to him,' said Alice desperately: -`he's perfectly idiotic!' And she opened the door and went in. - - The door led right into a large kitchen, which was full of -smoke from one end to the other: the Duchess was sitting on a -three-legged stool in the middle, nursing a baby; the cook was -leaning over the fire, stirring a large cauldron which seemed to -be full of soup. - - `There's certainly too much pepper in that soup!' Alice said to -herself, as well as she could for sneezing. - - There was certainly too much of it in the air. Even the -Duchess sneezed occasionally; and as for the baby, it was -sneezing and howling alternately without a moment's pause. The -only things in the kitchen that did not sneeze, were the cook, -and a large cat which was sitting on the hearth and grinning from -ear to ear. - - `Please would you tell me,' said Alice, a little timidly, for -she was not quite sure whether it was good manners for her to -speak first, `why your cat grins like that?' - - `It's a Cheshire cat,' said the Duchess, `and that's why. -Pig!' - - She said the last word with such sudden violence that Alice -quite jumped; but she saw in another moment that it was addressed -to the baby, and not to her, so she took courage, and went on -again:-- - - `I didn't know that Cheshire cats always grinned; in fact, I -didn't know that cats COULD grin.' - - `They all can,' said the Duchess; `and most of 'em do.' - - `I don't know of any that do,' Alice said very politely, -feeling quite pleased to have got into a conversation. - - `You don't know much,' said the Duchess; `and that's a fact.' - - Alice did not at all like the tone of this remark, and thought -it would be as well to introduce some other subject of -conversation. While she was trying to fix on one, the cook took -the cauldron of soup off the fire, and at once set to work -throwing everything within her reach at the Duchess and the baby ---the fire-irons came first; then followed a shower of saucepans, -plates, and dishes. The Duchess took no notice of them even when -they hit her; and the baby was howling so much already, that it -was quite impossible to say whether the blows hurt it or not. - - `Oh, PLEASE mind what you're doing!' cried Alice, jumping up -and down in an agony of terror. `Oh, there goes his PRECIOUS -nose'; as an unusually large saucepan flew close by it, and very -nearly carried it off. - - `If everybody minded their own business,' the Duchess said in a -hoarse growl, `the world would go round a deal faster than it -does.' - - `Which would NOT be an advantage,' said Alice, who felt very -glad to get an opportunity of showing off a little of her -knowledge. `Just think of what work it would make with the day -and night! You see the earth takes twenty-four hours to turn -round on its axis--' - - `Talking of axes,' said the Duchess, `chop off her head!' - - Alice glanced rather anxiously at the cook, to see if she meant -to take the hint; but the cook was busily stirring the soup, and -seemed not to be listening, so she went on again: `Twenty-four -hours, I THINK; or is it twelve? I--' - - `Oh, don't bother ME,' said the Duchess; `I never could abide -figures!' And with that she began nursing her child again, -singing a sort of lullaby to it as she did so, and giving it a -violent shake at the end of every line: - - `Speak roughly to your little boy, - And beat him when he sneezes: - He only does it to annoy, - Because he knows it teases.' - - CHORUS. - - (In which the cook and the baby joined):-- - - `Wow! wow! wow!' - - While the Duchess sang the second verse of the song, she kept -tossing the baby violently up and down, and the poor little thing -howled so, that Alice could hardly hear the words:-- - - `I speak severely to my boy, - I beat him when he sneezes; - For he can thoroughly enjoy - The pepper when he pleases!' - - CHORUS. - - `Wow! wow! wow!' - - `Here! you may nurse it a bit, if you like!' the Duchess said -to Alice, flinging the baby at her as she spoke. `I must go and -get ready to play croquet with the Queen,' and she hurried out of -the room. The cook threw a frying-pan after her as she went out, -but it just missed her. - - Alice caught the baby with some difficulty, as it was a queer- -shaped little creature, and held out its arms and legs in all -directions, `just like a star-fish,' thought Alice. The poor -little thing was snorting like a steam-engine when she caught it, -and kept doubling itself up and straightening itself out again, -so that altogether, for the first minute or two, it was as much -as she could do to hold it. - - As soon as she had made out the proper way of nursing it, -(which was to twist it up into a sort of knot, and then keep -tight hold of its right ear and left foot, so as to prevent its -undoing itself,) she carried it out into the open air. `IF I -don't take this child away with me,' thought Alice, `they're sure -to kill it in a day or two: wouldn't it be murder to leave it -behind?' She said the last words out loud, and the little thing -grunted in reply (it had left off sneezing by this time). `Don't -grunt,' said Alice; `that's not at all a proper way of expressing -yourself.' - - The baby grunted again, and Alice looked very anxiously into -its face to see what was the matter with it. There could be no -doubt that it had a VERY turn-up nose, much more like a snout -than a real nose; also its eyes were getting extremely small for -a baby: altogether Alice did not like the look of the thing at -all. `But perhaps it was only sobbing,' she thought, and looked -into its eyes again, to see if there were any tears. - - No, there were no tears. `If you're going to turn into a pig, -my dear,' said Alice, seriously, `I'll have nothing more to do -with you. Mind now!' The poor little thing sobbed again (or -grunted, it was impossible to say which), and they went on for -some while in silence. - - Alice was just beginning to think to herself, `Now, what am I -to do with this creature when I get it home?' when it grunted -again, so violently, that she looked down into its face in some -alarm. This time there could be NO mistake about it: it was -neither more nor less than a pig, and she felt that it would be -quite absurd for her to carry it further. - - So she set the little creature down, and felt quite relieved to -see it trot away quietly into the wood. `If it had grown up,' -she said to herself, `it would have made a dreadfully ugly child: -but it makes rather a handsome pig, I think.' And she began -thinking over other children she knew, who might do very well as -pigs, and was just saying to herself, `if one only knew the right -way to change them--' when she was a little startled by seeing -the Cheshire Cat sitting on a bough of a tree a few yards off. - - The Cat only grinned when it saw Alice. It looked good- -natured, she thought: still it had VERY long claws and a great -many teeth, so she felt that it ought to be treated with respect. - - `Cheshire Puss,' she began, rather timidly, as she did not at -all know whether it would like the name: however, it only -grinned a little wider. `Come, it's pleased so far,' thought -Alice, and she went on. `Would you tell me, please, which way I -ought to go from here?' - - `That depends a good deal on where you want to get to,' said -the Cat. - - `I don't much care where--' said Alice. - - `Then it doesn't matter which way you go,' said the Cat. - - `--so long as I get SOMEWHERE,' Alice added as an explanation. - - `Oh, you're sure to do that,' said the Cat, `if you only walk -long enough.' - - Alice felt that this could not be denied, so she tried another -question. `What sort of people live about here?' - - `In THAT direction,' the Cat said, waving its right paw round, -`lives a Hatter: and in THAT direction,' waving the other paw, -`lives a March Hare. Visit either you like: they're both mad.' - - `But I don't want to go among mad people,' Alice remarked. - - `Oh, you can't help that,' said the Cat: `we're all mad here. -I'm mad. You're mad.' - - `How do you know I'm mad?' said Alice. - - `You must be,' said the Cat, `or you wouldn't have come here.' - - Alice didn't think that proved it at all; however, she went on -`And how do you know that you're mad?' - - `To begin with,' said the Cat, `a dog's not mad. You grant -that?' - - `I suppose so,' said Alice. - - `Well, then,' the Cat went on, `you see, a dog growls when it's -angry, and wags its tail when it's pleased. Now I growl when I'm -pleased, and wag my tail when I'm angry. Therefore I'm mad.' - - `I call it purring, not growling,' said Alice. - - `Call it what you like,' said the Cat. `Do you play croquet -with the Queen to-day?' - - `I should like it very much,' said Alice, `but I haven't been -invited yet.' - - `You'll see me there,' said the Cat, and vanished. - - Alice was not much surprised at this, she was getting so used -to queer things happening. While she was looking at the place -where it had been, it suddenly appeared again. - - `By-the-bye, what became of the baby?' said the Cat. `I'd -nearly forgotten to ask.' - - `It turned into a pig,' Alice quietly said, just as if it had -come back in a natural way. - - `I thought it would,' said the Cat, and vanished again. - - Alice waited a little, half expecting to see it again, but it -did not appear, and after a minute or two she walked on in the -direction in which the March Hare was said to live. `I've seen -hatters before,' she said to herself; `the March Hare will be -much the most interesting, and perhaps as this is May it won't be -raving mad--at least not so mad as it was in March.' As she said -this, she looked up, and there was the Cat again, sitting on a -branch of a tree. - - `Did you say pig, or fig?' said the Cat. - - `I said pig,' replied Alice; `and I wish you wouldn't keep -appearing and vanishing so suddenly: you make one quite giddy.' - - `All right,' said the Cat; and this time it vanished quite -slowly, beginning with the end of the tail, and ending with the -grin, which remained some time after the rest of it had gone. - - `Well! I've often seen a cat without a grin,' thought Alice; -`but a grin without a cat! It's the most curious thing I ever -say in my life!' - - She had not gone much farther before she came in sight of the -house of the March Hare: she thought it must be the right house, -because the chimneys were shaped like ears and the roof was -thatched with fur. It was so large a house, that she did not -like to go nearer till she had nibbled some more of the lefthand -bit of mushroom, and raised herself to about two feet high: even -then she walked up towards it rather timidly, saying to herself -`Suppose it should be raving mad after all! I almost wish I'd -gone to see the Hatter instead!' - - - - CHAPTER VII - - A Mad Tea-Party - - - There was a table set out under a tree in front of the house, -and the March Hare and the Hatter were having tea at it: a -Dormouse was sitting between them, fast asleep, and the other two -were using it as a cushion, resting their elbows on it, and the -talking over its head. `Very uncomfortable for the Dormouse,' -thought Alice; `only, as it's asleep, I suppose it doesn't mind.' - - The table was a large one, but the three were all crowded -together at one corner of it: `No room! No room!' they cried -out when they saw Alice coming. `There's PLENTY of room!' said -Alice indignantly, and she sat down in a large arm-chair at one -end of the table. - - `Have some wine,' the March Hare said in an encouraging tone. - - Alice looked all round the table, but there was nothing on it -but tea. `I don't see any wine,' she remarked. - - `There isn't any,' said the March Hare. - - `Then it wasn't very civil of you to offer it,' said Alice -angrily. - - `It wasn't very civil of you to sit down without being -invited,' said the March Hare. - - `I didn't know it was YOUR table,' said Alice; `it's laid for a -great many more than three.' - - `Your hair wants cutting,' said the Hatter. He had been -looking at Alice for some time with great curiosity, and this was -his first speech. - - `You should learn not to make personal remarks,' Alice said -with some severity; `it's very rude.' - - The Hatter opened his eyes very wide on hearing this; but all -he SAID was, `Why is a raven like a writing-desk?' - - `Come, we shall have some fun now!' thought Alice. `I'm glad -they've begun asking riddles.--I believe I can guess that,' she -added aloud. - - `Do you mean that you think you can find out the answer to it?' -said the March Hare. - - `Exactly so,' said Alice. - - `Then you should say what you mean,' the March Hare went on. - - `I do,' Alice hastily replied; `at least--at least I mean what -I say--that's the same thing, you know.' - - `Not the same thing a bit!' said the Hatter. `You might just -as well say that "I see what I eat" is the same thing as "I eat -what I see"!' - - `You might just as well say,' added the March Hare, `that "I -like what I get" is the same thing as "I get what I like"!' - - `You might just as well say,' added the Dormouse, who seemed to -be talking in his sleep, `that "I breathe when I sleep" is the -same thing as "I sleep when I breathe"!' - - `It IS the same thing with you,' said the Hatter, and here the -conversation dropped, and the party sat silent for a minute, -while Alice thought over all she could remember about ravens and -writing-desks, which wasn't much. - - The Hatter was the first to break the silence. `What day of -the month is it?' he said, turning to Alice: he had taken his -watch out of his pocket, and was looking at it uneasily, shaking -it every now and then, and holding it to his ear. - - Alice considered a little, and then said `The fourth.' - - `Two days wrong!' sighed the Hatter. `I told you butter -wouldn't suit the works!' he added looking angrily at the March -Hare. - - `It was the BEST butter,' the March Hare meekly replied. - - `Yes, but some crumbs must have got in as well,' the Hatter -grumbled: `you shouldn't have put it in with the bread-knife.' - - The March Hare took the watch and looked at it gloomily: then -he dipped it into his cup of tea, and looked at it again: but he -could think of nothing better to say than his first remark, `It -was the BEST butter, you know.' - - Alice had been looking over his shoulder with some curiosity. -`What a funny watch!' she remarked. `It tells the day of the -month, and doesn't tell what o'clock it is!' - - `Why should it?' muttered the Hatter. `Does YOUR watch tell -you what year it is?' - - `Of course not,' Alice replied very readily: `but that's -because it stays the same year for such a long time together.' - - `Which is just the case with MINE,' said the Hatter. - - Alice felt dreadfully puzzled. The Hatter's remark seemed to -have no sort of meaning in it, and yet it was certainly English. -`I don't quite understand you,' she said, as politely as she -could. - - `The Dormouse is asleep again,' said the Hatter, and he poured -a little hot tea upon its nose. - - The Dormouse shook its head impatiently, and said, without -opening its eyes, `Of course, of course; just what I was going to -remark myself.' - - `Have you guessed the riddle yet?' the Hatter said, turning to -Alice again. - - `No, I give it up,' Alice replied: `what's the answer?' - - `I haven't the slightest idea,' said the Hatter. - - `Nor I,' said the March Hare. - - Alice sighed wearily. `I think you might do something better -with the time,' she said, `than waste it in asking riddles that -have no answers.' - - `If you knew Time as well as I do,' said the Hatter, `you -wouldn't talk about wasting IT. It's HIM.' - - `I don't know what you mean,' said Alice. - - `Of course you don't!' the Hatter said, tossing his head -contemptuously. `I dare say you never even spoke to Time!' - - `Perhaps not,' Alice cautiously replied: `but I know I have to -beat time when I learn music.' - - `Ah! that accounts for it,' said the Hatter. `He won't stand -beating. Now, if you only kept on good terms with him, he'd do -almost anything you liked with the clock. For instance, suppose -it were nine o'clock in the morning, just time to begin lessons: -you'd only have to whisper a hint to Time, and round goes the -clock in a twinkling! Half-past one, time for dinner!' - - (`I only wish it was,' the March Hare said to itself in a -whisper.) - - `That would be grand, certainly,' said Alice thoughtfully: -`but then--I shouldn't be hungry for it, you know.' - - `Not at first, perhaps,' said the Hatter: `but you could keep -it to half-past one as long as you liked.' - - `Is that the way YOU manage?' Alice asked. - - The Hatter shook his head mournfully. `Not I!' he replied. -`We quarrelled last March--just before HE went mad, you know--' -(pointing with his tea spoon at the March Hare,) `--it was at the -great concert given by the Queen of Hearts, and I had to sing - - "Twinkle, twinkle, little bat! - How I wonder what you're at!" - -You know the song, perhaps?' - - `I've heard something like it,' said Alice. - - `It goes on, you know,' the Hatter continued, `in this way:-- - - "Up above the world you fly, - Like a tea-tray in the sky. - Twinkle, twinkle--"' - -Here the Dormouse shook itself, and began singing in its sleep -`Twinkle, twinkle, twinkle, twinkle--' and went on so long that -they had to pinch it to make it stop. - - `Well, I'd hardly finished the first verse,' said the Hatter, -`when the Queen jumped up and bawled out, "He's murdering the -time! Off with his head!"' - - `How dreadfully savage!' exclaimed Alice. - - `And ever since that,' the Hatter went on in a mournful tone, -`he won't do a thing I ask! It's always six o'clock now.' - - A bright idea came into Alice's head. `Is that the reason so -many tea-things are put out here?' she asked. - - `Yes, that's it,' said the Hatter with a sigh: `it's always -tea-time, and we've no time to wash the things between whiles.' - - `Then you keep moving round, I suppose?' said Alice. - - `Exactly so,' said the Hatter: `as the things get used up.' - - `But what happens when you come to the beginning again?' Alice -ventured to ask. - - `Suppose we change the subject,' the March Hare interrupted, -yawning. `I'm getting tired of this. I vote the young lady -tells us a story.' - - `I'm afraid I don't know one,' said Alice, rather alarmed at -the proposal. - - `Then the Dormouse shall!' they both cried. `Wake up, -Dormouse!' And they pinched it on both sides at once. - - The Dormouse slowly opened his eyes. `I wasn't asleep,' he -said in a hoarse, feeble voice: `I heard every word you fellows -were saying.' - - `Tell us a story!' said the March Hare. - - `Yes, please do!' pleaded Alice. - - `And be quick about it,' added the Hatter, `or you'll be asleep -again before it's done.' - - `Once upon a time there were three little sisters,' the -Dormouse began in a great hurry; `and their names were Elsie, -Lacie, and Tillie; and they lived at the bottom of a well--' - - `What did they live on?' said Alice, who always took a great -interest in questions of eating and drinking. - - `They lived on treacle,' said the Dormouse, after thinking a -minute or two. - - `They couldn't have done that, you know,' Alice gently -remarked; `they'd have been ill.' - - `So they were,' said the Dormouse; `VERY ill.' - - Alice tried to fancy to herself what such an extraordinary ways -of living would be like, but it puzzled her too much, so she went -on: `But why did they live at the bottom of a well?' - - `Take some more tea,' the March Hare said to Alice, very -earnestly. - - `I've had nothing yet,' Alice replied in an offended tone, `so -I can't take more.' - - `You mean you can't take LESS,' said the Hatter: `it's very -easy to take MORE than nothing.' - - `Nobody asked YOUR opinion,' said Alice. - - `Who's making personal remarks now?' the Hatter asked -triumphantly. - - Alice did not quite know what to say to this: so she helped -herself to some tea and bread-and-butter, and then turned to the -Dormouse, and repeated her question. `Why did they live at the -bottom of a well?' - - The Dormouse again took a minute or two to think about it, and -then said, `It was a treacle-well.' - - `There's no such thing!' Alice was beginning very angrily, but -the Hatter and the March Hare went `Sh! sh!' and the Dormouse -sulkily remarked, `If you can't be civil, you'd better finish the -story for yourself.' - - `No, please go on!' Alice said very humbly; `I won't interrupt -again. I dare say there may be ONE.' - - `One, indeed!' said the Dormouse indignantly. However, he -consented to go on. `And so these three little sisters--they -were learning to draw, you know--' - - `What did they draw?' said Alice, quite forgetting her promise. - - `Treacle,' said the Dormouse, without considering at all this -time. - - `I want a clean cup,' interrupted the Hatter: `let's all move -one place on.' - - He moved on as he spoke, and the Dormouse followed him: the -March Hare moved into the Dormouse's place, and Alice rather -unwillingly took the place of the March Hare. The Hatter was the -only one who got any advantage from the change: and Alice was a -good deal worse off than before, as the March Hare had just upset -the milk-jug into his plate. - - Alice did not wish to offend the Dormouse again, so she began -very cautiously: `But I don't understand. Where did they draw -the treacle from?' - - `You can draw water out of a water-well,' said the Hatter; `so -I should think you could draw treacle out of a treacle-well--eh, -stupid?' - - `But they were IN the well,' Alice said to the Dormouse, not -choosing to notice this last remark. - - `Of course they were', said the Dormouse; `--well in.' - - This answer so confused poor Alice, that she let the Dormouse -go on for some time without interrupting it. - - `They were learning to draw,' the Dormouse went on, yawning and -rubbing its eyes, for it was getting very sleepy; `and they drew -all manner of things--everything that begins with an M--' - - `Why with an M?' said Alice. - - `Why not?' said the March Hare. - - Alice was silent. - - The Dormouse had closed its eyes by this time, and was going -off into a doze; but, on being pinched by the Hatter, it woke up -again with a little shriek, and went on: `--that begins with an -M, such as mouse-traps, and the moon, and memory, and muchness-- -you know you say things are "much of a muchness"--did you ever -see such a thing as a drawing of a muchness?' - - `Really, now you ask me,' said Alice, very much confused, `I -don't think--' - - `Then you shouldn't talk,' said the Hatter. - - This piece of rudeness was more than Alice could bear: she got -up in great disgust, and walked off; the Dormouse fell asleep -instantly, and neither of the others took the least notice of her -going, though she looked back once or twice, half hoping that -they would call after her: the last time she saw them, they were -trying to put the Dormouse into the teapot. - - `At any rate I'll never go THERE again!' said Alice as she -picked her way through the wood. `It's the stupidest tea-party I -ever was at in all my life!' - - Just as she said this, she noticed that one of the trees had a -door leading right into it. `That's very curious!' she thought. -`But everything's curious today. I think I may as well go in at -once.' And in she went. - - Once more she found herself in the long hall, and close to the -little glass table. `Now, I'll manage better this time,' she -said to herself, and began by taking the little golden key, and -unlocking the door that led into the garden. Then she went to -work nibbling at the mushroom (she had kept a piece of it in her -pocked) till she was about a foot high: then she walked down the -little passage: and THEN--she found herself at last in the -beautiful garden, among the bright flower-beds and the cool -fountains. - - - - CHAPTER VIII - - The Queen's Croquet-Ground - - - A large rose-tree stood near the entrance of the garden: the -roses growing on it were white, but there were three gardeners at -it, busily painting them red. Alice thought this a very curious -thing, and she went nearer to watch them, and just as she came up -to them she heard one of them say, `Look out now, Five! Don't go -splashing paint over me like that!' - - `I couldn't help it,' said Five, in a sulky tone; `Seven jogged -my elbow.' - - On which Seven looked up and said, `That's right, Five! Always -lay the blame on others!' - - `YOU'D better not talk!' said Five. `I heard the Queen say only -yesterday you deserved to be beheaded!' - - `What for?' said the one who had spoken first. - - `That's none of YOUR business, Two!' said Seven. - - `Yes, it IS his business!' said Five, `and I'll tell him--it -was for bringing the cook tulip-roots instead of onions.' - - Seven flung down his brush, and had just begun `Well, of all -the unjust things--' when his eye chanced to fall upon Alice, as -she stood watching them, and he checked himself suddenly: the -others looked round also, and all of them bowed low. - - `Would you tell me,' said Alice, a little timidly, `why you are -painting those roses?' - - Five and Seven said nothing, but looked at Two. Two began in a -low voice, `Why the fact is, you see, Miss, this here ought to -have been a RED rose-tree, and we put a white one in by mistake; -and if the Queen was to find it out, we should all have our heads -cut off, you know. So you see, Miss, we're doing our best, afore -she comes, to--' At this moment Five, who had been anxiously -looking across the garden, called out `The Queen! The Queen!' -and the three gardeners instantly threw themselves flat upon -their faces. There was a sound of many footsteps, and Alice -looked round, eager to see the Queen. - - First came ten soldiers carrying clubs; these were all shaped -like the three gardeners, oblong and flat, with their hands and -feet at the corners: next the ten courtiers; these were -ornamented all over with diamonds, and walked two and two, as the -soldiers did. After these came the royal children; there were -ten of them, and the little dears came jumping merrily along hand -in hand, in couples: they were all ornamented with hearts. Next -came the guests, mostly Kings and Queens, and among them Alice -recognised the White Rabbit: it was talking in a hurried nervous -manner, smiling at everything that was said, and went by without -noticing her. Then followed the Knave of Hearts, carrying the -King's crown on a crimson velvet cushion; and, last of all this -grand procession, came THE KING AND QUEEN OF HEARTS. - - Alice was rather doubtful whether she ought not to lie down on -her face like the three gardeners, but she could not remember -every having heard of such a rule at processions; `and besides, -what would be the use of a procession,' thought she, `if people -had all to lie down upon their faces, so that they couldn't see -it?' So she stood still where she was, and waited. - - When the procession came opposite to Alice, they all stopped -and looked at her, and the Queen said severely `Who is this?' -She said it to the Knave of Hearts, who only bowed and smiled in -reply. - - `Idiot!' said the Queen, tossing her head impatiently; and, -turning to Alice, she went on, `What's your name, child?' - - `My name is Alice, so please your Majesty,' said Alice very -politely; but she added, to herself, `Why, they're only a pack of -cards, after all. I needn't be afraid of them!' - - `And who are THESE?' said the Queen, pointing to the three -gardeners who were lying round the rosetree; for, you see, as -they were lying on their faces, and the pattern on their backs -was the same as the rest of the pack, she could not tell whether -they were gardeners, or soldiers, or courtiers, or three of her -own children. - - `How should I know?' said Alice, surprised at her own courage. -`It's no business of MINE.' - - The Queen turned crimson with fury, and, after glaring at her -for a moment like a wild beast, screamed `Off with her head! -Off--' - - `Nonsense!' said Alice, very loudly and decidedly, and the -Queen was silent. - - The King laid his hand upon her arm, and timidly said -`Consider, my dear: she is only a child!' - - The Queen turned angrily away from him, and said to the Knave -`Turn them over!' - - The Knave did so, very carefully, with one foot. - - `Get up!' said the Queen, in a shrill, loud voice, and the -three gardeners instantly jumped up, and began bowing to the -King, the Queen, the royal children, and everybody else. - - `Leave off that!' screamed the Queen. `You make me giddy.' -And then, turning to the rose-tree, she went on, `What HAVE you -been doing here?' - - `May it please your Majesty,' said Two, in a very humble tone, -going down on one knee as he spoke, `we were trying--' - - `I see!' said the Queen, who had meanwhile been examining the -roses. `Off with their heads!' and the procession moved on, -three of the soldiers remaining behind to execute the unfortunate -gardeners, who ran to Alice for protection. - - `You shan't be beheaded!' said Alice, and she put them into a -large flower-pot that stood near. The three soldiers wandered -about for a minute or two, looking for them, and then quietly -marched off after the others. - - `Are their heads off?' shouted the Queen. - - `Their heads are gone, if it please your Majesty!' the soldiers -shouted in reply. - - `That's right!' shouted the Queen. `Can you play croquet?' - - The soldiers were silent, and looked at Alice, as the question -was evidently meant for her. - - `Yes!' shouted Alice. - - `Come on, then!' roared the Queen, and Alice joined the -procession, wondering very much what would happen next. - - `It's--it's a very fine day!' said a timid voice at her side. -She was walking by the White Rabbit, who was peeping anxiously -into her face. - - `Very,' said Alice: `--where's the Duchess?' - - `Hush! Hush!' said the Rabbit in a low, hurried tone. He -looked anxiously over his shoulder as he spoke, and then raised -himself upon tiptoe, put his mouth close to her ear, and -whispered `She's under sentence of execution.' - - `What for?' said Alice. - - `Did you say "What a pity!"?' the Rabbit asked. - - `No, I didn't,' said Alice: `I don't think it's at all a pity. -I said "What for?"' - - `She boxed the Queen's ears--' the Rabbit began. Alice gave a -little scream of laughter. `Oh, hush!' the Rabbit whispered in a -frightened tone. `The Queen will hear you! You see, she came -rather late, and the Queen said--' - - `Get to your places!' shouted the Queen in a voice of thunder, -and people began running about in all directions, tumbling up -against each other; however, they got settled down in a minute or -two, and the game began. Alice thought she had never seen such a -curious croquet-ground in her life; it was all ridges and -furrows; the balls were live hedgehogs, the mallets live -flamingoes, and the soldiers had to double themselves up and to -stand on their hands and feet, to make the arches. - - The chief difficulty Alice found at first was in managing her -flamingo: she succeeded in getting its body tucked away, -comfortably enough, under her arm, with its legs hanging down, -but generally, just as she had got its neck nicely straightened -out, and was going to give the hedgehog a blow with its head, it -WOULD twist itself round and look up in her face, with such a -puzzled expression that she could not help bursting out laughing: -and when she had got its head down, and was going to begin again, -it was very provoking to find that the hedgehog had unrolled -itself, and was in the act of crawling away: besides all this, -there was generally a ridge or furrow in the way wherever she -wanted to send the hedgehog to, and, as the doubled-up soldiers -were always getting up and walking off to other parts of the -ground, Alice soon came to the conclusion that it was a very -difficult game indeed. - - The players all played at once without waiting for turns, -quarrelling all the while, and fighting for the hedgehogs; and in -a very short time the Queen was in a furious passion, and went -stamping about, and shouting `Off with his head!' or `Off with -her head!' about once in a minute. - - Alice began to feel very uneasy: to be sure, she had not as -yet had any dispute with the Queen, but she knew that it might -happen any minute, `and then,' thought she, `what would become of -me? They're dreadfully fond of beheading people here; the great -wonder is, that there's any one left alive!' - - She was looking about for some way of escape, and wondering -whether she could get away without being seen, when she noticed a -curious appearance in the air: it puzzled her very much at -first, but, after watching it a minute or two, she made it out to -be a grin, and she said to herself `It's the Cheshire Cat: now I -shall have somebody to talk to.' - - `How are you getting on?' said the Cat, as soon as there was -mouth enough for it to speak with. - - Alice waited till the eyes appeared, and then nodded. `It's no -use speaking to it,' she thought, `till its ears have come, or at -least one of them.' In another minute the whole head appeared, -and then Alice put down her flamingo, and began an account of the -game, feeling very glad she had someone to listen to her. The -Cat seemed to think that there was enough of it now in sight, and -no more of it appeared. - - `I don't think they play at all fairly,' Alice began, in rather -a complaining tone, `and they all quarrel so dreadfully one can't -hear oneself speak--and they don't seem to have any rules in -particular; at least, if there are, nobody attends to them--and -you've no idea how confusing it is all the things being alive; -for instance, there's the arch I've got to go through next -walking about at the other end of the ground--and I should have -croqueted the Queen's hedgehog just now, only it ran away when it -saw mine coming!' - - `How do you like the Queen?' said the Cat in a low voice. - - `Not at all,' said Alice: `she's so extremely--' Just then -she noticed that the Queen was close behind her, listening: so -she went on, `--likely to win, that it's hardly worth while -finishing the game.' - - The Queen smiled and passed on. - - `Who ARE you talking to?' said the King, going up to Alice, and -looking at the Cat's head with great curiosity. - - `It's a friend of mine--a Cheshire Cat,' said Alice: `allow me -to introduce it.' - - `I don't like the look of it at all,' said the King: `however, -it may kiss my hand if it likes.' - - `I'd rather not,' the Cat remarked. - - `Don't be impertinent,' said the King, `and don't look at me -like that!' He got behind Alice as he spoke. - - `A cat may look at a king,' said Alice. `I've read that in -some book, but I don't remember where.' - - `Well, it must be removed,' said the King very decidedly, and -he called the Queen, who was passing at the moment, `My dear! I -wish you would have this cat removed!' - - The Queen had only one way of settling all difficulties, great -or small. `Off with his head!' she said, without even looking -round. - - `I'll fetch the executioner myself,' said the King eagerly, and -he hurried off. - - Alice thought she might as well go back, and see how the game -was going on, as she heard the Queen's voice in the distance, -screaming with passion. She had already heard her sentence three -of the players to be executed for having missed their turns, and -she did not like the look of things at all, as the game was in -such confusion that she never knew whether it was her turn or -not. So she went in search of her hedgehog. - - The hedgehog was engaged in a fight with another hedgehog, -which seemed to Alice an excellent opportunity for croqueting one -of them with the other: the only difficulty was, that her -flamingo was gone across to the other side of the garden, where -Alice could see it trying in a helpless sort of way to fly up -into a tree. - - By the time she had caught the flamingo and brought it back, -the fight was over, and both the hedgehogs were out of sight: -`but it doesn't matter much,' thought Alice, `as all the arches -are gone from this side of the ground.' So she tucked it away -under her arm, that it might not escape again, and went back for -a little more conversation with her friend. - - When she got back to the Cheshire Cat, she was surprised to -find quite a large crowd collected round it: there was a dispute -going on between the executioner, the King, and the Queen, who -were all talking at once, while all the rest were quite silent, -and looked very uncomfortable. - - The moment Alice appeared, she was appealed to by all three to -settle the question, and they repeated their arguments to her, -though, as they all spoke at once, she found it very hard indeed -to make out exactly what they said. - - The executioner's argument was, that you couldn't cut off a -head unless there was a body to cut it off from: that he had -never had to do such a thing before, and he wasn't going to begin -at HIS time of life. - - The King's argument was, that anything that had a head could be -beheaded, and that you weren't to talk nonsense. - - The Queen's argument was, that if something wasn't done about -it in less than no time she'd have everybody executed, all round. -(It was this last remark that had made the whole party look so -grave and anxious.) - - Alice could think of nothing else to say but `It belongs to the -Duchess: you'd better ask HER about it.' - - `She's in prison,' the Queen said to the executioner: `fetch -her here.' And the executioner went off like an arrow. - - The Cat's head began fading away the moment he was gone, and, -by the time he had come back with the Dutchess, it had entirely -disappeared; so the King and the executioner ran wildly up and -down looking for it, while the rest of the party went back to the game. - - - - CHAPTER IX - - The Mock Turtle's Story - - - `You can't think how glad I am to see you again, you dear old -thing!' said the Duchess, as she tucked her arm affectionately -into Alice's, and they walked off together. - - Alice was very glad to find her in such a pleasant temper, and -thought to herself that perhaps it was only the pepper that had -made her so savage when they met in the kitchen. - - `When I'M a Duchess,' she said to herself, (not in a very -hopeful tone though), `I won't have any pepper in my kitchen AT -ALL. Soup does very well without--Maybe it's always pepper that -makes people hot-tempered,' she went on, very much pleased at -having found out a new kind of rule, `and vinegar that makes them -sour--and camomile that makes them bitter--and--and barley-sugar -and such things that make children sweet-tempered. I only wish -people knew that: then they wouldn't be so stingy about it, you -know--' - - She had quite forgotten the Duchess by this time, and was a -little startled when she heard her voice close to her ear. -`You're thinking about something, my dear, and that makes you -forget to talk. I can't tell you just now what the moral of that -is, but I shall remember it in a bit.' - - `Perhaps it hasn't one,' Alice ventured to remark. - - `Tut, tut, child!' said the Duchess. `Everything's got a -moral, if only you can find it.' And she squeezed herself up -closer to Alice's side as she spoke. - - Alice did not much like keeping so close to her: first, -because the Duchess was VERY ugly; and secondly, because she was -exactly the right height to rest her chin upon Alice's shoulder, -and it was an uncomfortably sharp chin. However, she did not -like to be rude, so she bore it as well as she could. - - `The game's going on rather better now,' she said, by way of -keeping up the conversation a little. - - `'Tis so,' said the Duchess: `and the moral of that is--"Oh, -'tis love, 'tis love, that makes the world go round!"' - - `Somebody said,' Alice whispered, `that it's done by everybody -minding their own business!' - - `Ah, well! It means much the same thing,' said the Duchess, -digging her sharp little chin into Alice's shoulder as she added, -`and the moral of THAT is--"Take care of the sense, and the -sounds will take care of themselves."' - - `How fond she is of finding morals in things!' Alice thought to -herself. - - `I dare say you're wondering why I don't put my arm round your -waist,' the Duchess said after a pause: `the reason is, that I'm -doubtful about the temper of your flamingo. Shall I try the -experiment?' - - `HE might bite,' Alice cautiously replied, not feeling at all -anxious to have the experiment tried. - - `Very true,' said the Duchess: `flamingoes and mustard both -bite. And the moral of that is--"Birds of a feather flock -together."' - - `Only mustard isn't a bird,' Alice remarked. - - `Right, as usual,' said the Duchess: `what a clear way you -have of putting things!' - - `It's a mineral, I THINK,' said Alice. - - `Of course it is,' said the Duchess, who seemed ready to agree -to everything that Alice said; `there's a large mustard-mine near -here. And the moral of that is--"The more there is of mine, the -less there is of yours."' - - `Oh, I know!' exclaimed Alice, who had not attended to this -last remark, `it's a vegetable. It doesn't look like one, but it -is.' - - `I quite agree with you,' said the Duchess; `and the moral of -that is--"Be what you would seem to be"--or if you'd like it put -more simply--"Never imagine yourself not to be otherwise than -what it might appear to others that what you were or might have -been was not otherwise than what you had been would have appeared -to them to be otherwise."' - - `I think I should understand that better,' Alice said very -politely, `if I had it written down: but I can't quite follow it -as you say it.' - - `That's nothing to what I could say if I chose,' the Duchess -replied, in a pleased tone. - - `Pray don't trouble yourself to say it any longer than that,' -said Alice. - - `Oh, don't talk about trouble!' said the Duchess. `I make you -a present of everything I've said as yet.' - - `A cheap sort of present!' thought Alice. `I'm glad they don't -give birthday presents like that!' But she did not venture to -say it out loud. - - `Thinking again?' the Duchess asked, with another dig of her -sharp little chin. - - `I've a right to think,' said Alice sharply, for she was -beginning to feel a little worried. - - `Just about as much right,' said the Duchess, `as pigs have to -fly; and the m--' - - But here, to Alice's great surprise, the Duchess's voice died -away, even in the middle of her favourite word `moral,' and the -arm that was linked into hers began to tremble. Alice looked up, -and there stood the Queen in front of them, with her arms folded, -frowning like a thunderstorm. - - `A fine day, your Majesty!' the Duchess began in a low, weak -voice. - - `Now, I give you fair warning,' shouted the Queen, stamping on -the ground as she spoke; `either you or your head must be off, -and that in about half no time! Take your choice!' - - The Duchess took her choice, and was gone in a moment. - - `Let's go on with the game,' the Queen said to Alice; and Alice -was too much frightened to say a word, but slowly followed her -back to the croquet-ground. - - The other guests had taken advantage of the Queen's absence, -and were resting in the shade: however, the moment they saw her, -they hurried back to the game, the Queen merely remarking that a -moment's delay would cost them their lives. - - All the time they were playing the Queen never left off -quarrelling with the other players, and shouting `Off with his -head!' or `Off with her head!' Those whom she sentenced were -taken into custody by the soldiers, who of course had to leave -off being arches to do this, so that by the end of half an hour -or so there were no arches left, and all the players, except the -King, the Queen, and Alice, were in custody and under sentence of -execution. - - Then the Queen left off, quite out of breath, and said to -Alice, `Have you seen the Mock Turtle yet?' - - `No,' said Alice. `I don't even know what a Mock Turtle is.' - - `It's the thing Mock Turtle Soup is made from,' said the Queen. - - `I never saw one, or heard of one,' said Alice. - - `Come on, then,' said the Queen, `and he shall tell you his -history,' - - As they walked off together, Alice heard the King say in a low -voice, to the company generally, `You are all pardoned.' `Come, -THAT'S a good thing!' she said to herself, for she had felt quite -unhappy at the number of executions the Queen had ordered. - - They very soon came upon a Gryphon, lying fast asleep in the -sun. (IF you don't know what a Gryphon is, look at the picture.) -`Up, lazy thing!' said the Queen, `and take this young lady to -see the Mock Turtle, and to hear his history. I must go back and -see after some executions I have ordered'; and she walked off, -leaving Alice alone with the Gryphon. Alice did not quite like -the look of the creature, but on the whole she thought it would -be quite as safe to stay with it as to go after that savage -Queen: so she waited. - - The Gryphon sat up and rubbed its eyes: then it watched the -Queen till she was out of sight: then it chuckled. `What fun!' -said the Gryphon, half to itself, half to Alice. - - `What IS the fun?' said Alice. - - `Why, SHE,' said the Gryphon. `It's all her fancy, that: they -never executes nobody, you know. Come on!' - - `Everybody says "come on!" here,' thought Alice, as she went -slowly after it: `I never was so ordered about in all my life, -never!' - - They had not gone far before they saw the Mock Turtle in the -distance, sitting sad and lonely on a little ledge of rock, and, -as they came nearer, Alice could hear him sighing as if his heart -would break. She pitied him deeply. `What is his sorrow?' she -asked the Gryphon, and the Gryphon answered, very nearly in the -same words as before, `It's all his fancy, that: he hasn't got -no sorrow, you know. Come on!' - - So they went up to the Mock Turtle, who looked at them with -large eyes full of tears, but said nothing. - - `This here young lady,' said the Gryphon, `she wants for to -know your history, she do.' - - `I'll tell it her,' said the Mock Turtle in a deep, hollow -tone: `sit down, both of you, and don't speak a word till I've -finished.' - - So they sat down, and nobody spoke for some minutes. Alice -thought to herself, `I don't see how he can EVEN finish, if he -doesn't begin.' But she waited patiently. - - `Once,' said the Mock Turtle at last, with a deep sigh, `I was -a real Turtle.' - - These words were followed by a very long silence, broken only -by an occasional exclamation of `Hjckrrh!' from the Gryphon, and -the constant heavy sobbing of the Mock Turtle. Alice was very -nearly getting up and saying, `Thank you, sir, for your -interesting story,' but she could not help thinking there MUST be -more to come, so she sat still and said nothing. - - `When we were little,' the Mock Turtle went on at last, more -calmly, though still sobbing a little now and then, `we went to -school in the sea. The master was an old Turtle--we used to call -him Tortoise--' - - `Why did you call him Tortoise, if he wasn't one?' Alice asked. - - `We called him Tortoise because he taught us,' said the Mock -Turtle angrily: `really you are very dull!' - - `You ought to be ashamed of yourself for asking such a simple -question,' added the Gryphon; and then they both sat silent and -looked at poor Alice, who felt ready to sink into the earth. At -last the Gryphon said to the Mock Turtle, `Drive on, old fellow! -Don't be all day about it!' and he went on in these words: - - `Yes, we went to school in the sea, though you mayn't believe -it--' - - `I never said I didn't!' interrupted Alice. - - `You did,' said the Mock Turtle. - - `Hold your tongue!' added the Gryphon, before Alice could speak -again. The Mock Turtle went on. - - `We had the best of educations--in fact, we went to school -every day--' - - `I'VE been to a day-school, too,' said Alice; `you needn't be -so proud as all that.' - - `With extras?' asked the Mock Turtle a little anxiously. - - `Yes,' said Alice, `we learned French and music.' - - `And washing?' said the Mock Turtle. - - `Certainly not!' said Alice indignantly. - - `Ah! then yours wasn't a really good school,' said the Mock -Turtle in a tone of great relief. `Now at OURS they had at the -end of the bill, "French, music, AND WASHING--extra."' - - `You couldn't have wanted it much,' said Alice; `living at the -bottom of the sea.' - - `I couldn't afford to learn it.' said the Mock Turtle with a -sigh. `I only took the regular course.' - - `What was that?' inquired Alice. - - `Reeling and Writhing, of course, to begin with,' the Mock -Turtle replied; `and then the different branches of Arithmetic-- -Ambition, Distraction, Uglification, and Derision.' - - `I never heard of "Uglification,"' Alice ventured to say. `What -is it?' - - The Gryphon lifted up both its paws in surprise. `What! Never -heard of uglifying!' it exclaimed. `You know what to beautify -is, I suppose?' - - `Yes,' said Alice doubtfully: `it means--to--make--anything-- -prettier.' - - `Well, then,' the Gryphon went on, `if you don't know what to -uglify is, you ARE a simpleton.' - - Alice did not feel encouraged to ask any more questions about -it, so she turned to the Mock Turtle, and said `What else had you -to learn?' - - `Well, there was Mystery,' the Mock Turtle replied, counting -off the subjects on his flappers, `--Mystery, ancient and modern, -with Seaography: then Drawling--the Drawling-master was an old -conger-eel, that used to come once a week: HE taught us -Drawling, Stretching, and Fainting in Coils.' - - `What was THAT like?' said Alice. - - `Well, I can't show it you myself,' the Mock Turtle said: `I'm -too stiff. And the Gryphon never learnt it.' - - `Hadn't time,' said the Gryphon: `I went to the Classics -master, though. He was an old crab, HE was.' - - `I never went to him,' the Mock Turtle said with a sigh: `he -taught Laughing and Grief, they used to say.' - - `So he did, so he did,' said the Gryphon, sighing in his turn; -and both creatures hid their faces in their paws. - - `And how many hours a day did you do lessons?' said Alice, in a -hurry to change the subject. - - `Ten hours the first day,' said the Mock Turtle: `nine the -next, and so on.' - - `What a curious plan!' exclaimed Alice. - - `That's the reason they're called lessons,' the Gryphon -remarked: `because they lessen from day to day.' - - This was quite a new idea to Alice, and she thought it over a -little before she made her next remark. `Then the eleventh day -must have been a holiday?' - - `Of course it was,' said the Mock Turtle. - - `And how did you manage on the twelfth?' Alice went on eagerly. - - `That's enough about lessons,' the Gryphon interrupted in a -very decided tone: `tell her something about the games now.' - - - - CHAPTER X - - The Lobster Quadrille - - - The Mock Turtle sighed deeply, and drew the back of one flapper -across his eyes. He looked at Alice, and tried to speak, but for -a minute or two sobs choked his voice. `Same as if he had a bone -in his throat,' said the Gryphon: and it set to work shaking him -and punching him in the back. At last the Mock Turtle recovered -his voice, and, with tears running down his cheeks, he went on -again:-- - - `You may not have lived much under the sea--' (`I haven't,' -said Alice)--`and perhaps you were never even introduced to a lobster--' -(Alice began to say `I once tasted--' but checked herself hastily, -and said `No, never') `--so you can have no idea what a delightful -thing a Lobster Quadrille is!' - - `No, indeed,' said Alice. `What sort of a dance is it?' - - `Why,' said the Gryphon, `you first form into a line along the -sea-shore--' - - `Two lines!' cried the Mock Turtle. `Seals, turtles, salmon, -and so on; then, when you've cleared all the jelly-fish out of -the way--' - - `THAT generally takes some time,' interrupted the Gryphon. - - `--you advance twice--' - - `Each with a lobster as a partner!' cried the Gryphon. - - `Of course,' the Mock Turtle said: `advance twice, set to -partners--' - - `--change lobsters, and retire in same order,' continued the -Gryphon. - - `Then, you know,' the Mock Turtle went on, `you throw the--' - - `The lobsters!' shouted the Gryphon, with a bound into the air. - - `--as far out to sea as you can--' - - `Swim after them!' screamed the Gryphon. - - `Turn a somersault in the sea!' cried the Mock Turtle, -capering wildly about. - - `Back to land again, and that's all the first figure,' said the -Mock Turtle, suddenly dropping his voice; and the two creatures, -who had been jumping about like mad things all this time, sat -down again very sadly and quietly, and looked at Alice. - - `It must be a very pretty dance,' said Alice timidly. - - `Would you like to see a little of it?' said the Mock Turtle. - - `Very much indeed,' said Alice. - - `Come, let's try the first figure!' said the Mock Turtle to the -Gryphon. `We can do without lobsters, you know. Which shall -sing?' - - `Oh, YOU sing,' said the Gryphon. `I've forgotten the words.' - - So they began solemnly dancing round and round Alice, every now -and then treading on her toes when they passed too close, and -waving their forepaws to mark the time, while the Mock Turtle -sang this, very slowly and sadly:-- - - -`"Will you walk a little faster?" said a whiting to a snail. -"There's a porpoise close behind us, and he's treading on my - tail. -See how eagerly the lobsters and the turtles all advance! -They are waiting on the shingle--will you come and join the -dance? - -Will you, won't you, will you, won't you, will you join the -dance? -Will you, won't you, will you, won't you, won't you join the -dance? - - -"You can really have no notion how delightful it will be -When they take us up and throw us, with the lobsters, out to - sea!" -But the snail replied "Too far, too far!" and gave a look - askance-- -Said he thanked the whiting kindly, but he would not join the - dance. - Would not, could not, would not, could not, would not join - the dance. - Would not, could not, would not, could not, could not join - the dance. - -`"What matters it how far we go?" his scaly friend replied. -"There is another shore, you know, upon the other side. -The further off from England the nearer is to France-- -Then turn not pale, beloved snail, but come and join the dance. - - Will you, won't you, will you, won't you, will you join the - dance? - Will you, won't you, will you, won't you, won't you join the - dance?"' - - - - `Thank you, it's a very interesting dance to watch,' said -Alice, feeling very glad that it was over at last: `and I do so -like that curious song about the whiting!' - - `Oh, as to the whiting,' said the Mock Turtle, `they--you've -seen them, of course?' - - `Yes,' said Alice, `I've often seen them at dinn--' she -checked herself hastily. - - `I don't know where Dinn may be,' said the Mock Turtle, `but -if you've seen them so often, of course you know what they're -like.' - - `I believe so,' Alice replied thoughtfully. `They have their -tails in their mouths--and they're all over crumbs.' - - `You're wrong about the crumbs,' said the Mock Turtle: -`crumbs would all wash off in the sea. But they HAVE their tails -in their mouths; and the reason is--' here the Mock Turtle -yawned and shut his eyes.--`Tell her about the reason and all -that,' he said to the Gryphon. - - `The reason is,' said the Gryphon, `that they WOULD go with -the lobsters to the dance. So they got thrown out to sea. So -they had to fall a long way. So they got their tails fast in -their mouths. So they couldn't get them out again. That's all.' - - `Thank you,' said Alice, `it's very interesting. I never knew -so much about a whiting before.' - - `I can tell you more than that, if you like,' said the -Gryphon. `Do you know why it's called a whiting?' - - `I never thought about it,' said Alice. `Why?' - - `IT DOES THE BOOTS AND SHOES.' the Gryphon replied very -solemnly. - - Alice was thoroughly puzzled. `Does the boots and shoes!' she -repeated in a wondering tone. - - `Why, what are YOUR shoes done with?' said the Gryphon. `I -mean, what makes them so shiny?' - - Alice looked down at them, and considered a little before she -gave her answer. `They're done with blacking, I believe.' - - `Boots and shoes under the sea,' the Gryphon went on in a deep -voice, `are done with a whiting. Now you know.' - - `And what are they made of?' Alice asked in a tone of great -curiosity. - - `Soles and eels, of course,' the Gryphon replied rather -impatiently: `any shrimp could have told you that.' - - `If I'd been the whiting,' said Alice, whose thoughts were -still running on the song, `I'd have said to the porpoise, "Keep -back, please: we don't want YOU with us!"' - - `They were obliged to have him with them,' the Mock Turtle -said: `no wise fish would go anywhere without a porpoise.' - - `Wouldn't it really?' said Alice in a tone of great surprise. - - `Of course not,' said the Mock Turtle: `why, if a fish came -to ME, and told me he was going a journey, I should say "With -what porpoise?"' - - `Don't you mean "purpose"?' said Alice. - - `I mean what I say,' the Mock Turtle replied in an offended -tone. And the Gryphon added `Come, let's hear some of YOUR -adventures.' - - `I could tell you my adventures--beginning from this morning,' -said Alice a little timidly: `but it's no use going back to -yesterday, because I was a different person then.' - - `Explain all that,' said the Mock Turtle. - - `No, no! The adventures first,' said the Gryphon in an -impatient tone: `explanations take such a dreadful time.' - - So Alice began telling them her adventures from the time when -she first saw the White Rabbit. She was a little nervous about -it just at first, the two creatures got so close to her, one on -each side, and opened their eyes and mouths so VERY wide, but she -gained courage as she went on. Her listeners were perfectly -quiet till she got to the part about her repeating `YOU ARE OLD, -FATHER WILLIAM,' to the Caterpillar, and the words all coming -different, and then the Mock Turtle drew a long breath, and said -`That's very curious.' - - `It's all about as curious as it can be,' said the Gryphon. - - `It all came different!' the Mock Turtle repeated -thoughtfully. `I should like to hear her try and repeat -something now. Tell her to begin.' He looked at the Gryphon as -if he thought it had some kind of authority over Alice. - - `Stand up and repeat "'TIS THE VOICE OF THE SLUGGARD,"' said -the Gryphon. - - `How the creatures order one about, and make one repeat -lessons!' thought Alice; `I might as well be at school at once.' -However, she got up, and began to repeat it, but her head was so -full of the Lobster Quadrille, that she hardly knew what she was -saying, and the words came very queer indeed:-- - - `'Tis the voice of the Lobster; I heard him declare, - "You have baked me too brown, I must sugar my hair." - As a duck with its eyelids, so he with his nose - Trims his belt and his buttons, and turns out his toes.' - - [later editions continued as follows - When the sands are all dry, he is gay as a lark, - And will talk in contemptuous tones of the Shark, - But, when the tide rises and sharks are around, - His voice has a timid and tremulous sound.] - - `That's different from what I used to say when I was a child,' -said the Gryphon. - - `Well, I never heard it before,' said the Mock Turtle; `but it -sounds uncommon nonsense.' - - Alice said nothing; she had sat down with her face in her -hands, wondering if anything would EVER happen in a natural way -again. - - `I should like to have it explained,' said the Mock Turtle. - - `She can't explain it,' said the Gryphon hastily. `Go on with -the next verse.' - - `But about his toes?' the Mock Turtle persisted. `How COULD -he turn them out with his nose, you know?' - - `It's the first position in dancing.' Alice said; but was -dreadfully puzzled by the whole thing, and longed to change the -subject. - - `Go on with the next verse,' the Gryphon repeated impatiently: -`it begins "I passed by his garden."' - - Alice did not dare to disobey, though she felt sure it would -all come wrong, and she went on in a trembling voice:-- - - `I passed by his garden, and marked, with one eye, - How the Owl and the Panther were sharing a pie--' - - [later editions continued as follows - The Panther took pie-crust, and gravy, and meat, - While the Owl had the dish as its share of the treat. - When the pie was all finished, the Owl, as a boon, - Was kindly permitted to pocket the spoon: - While the Panther received knife and fork with a growl, - And concluded the banquet--] - - `What IS the use of repeating all that stuff,' the Mock Turtle -interrupted, `if you don't explain it as you go on? It's by far -the most confusing thing I ever heard!' - - `Yes, I think you'd better leave off,' said the Gryphon: and -Alice was only too glad to do so. - - `Shall we try another figure of the Lobster Quadrille?' the -Gryphon went on. `Or would you like the Mock Turtle to sing you -a song?' - - `Oh, a song, please, if the Mock Turtle would be so kind,' -Alice replied, so eagerly that the Gryphon said, in a rather -offended tone, `Hm! No accounting for tastes! Sing her "Turtle -Soup," will you, old fellow?' - - The Mock Turtle sighed deeply, and began, in a voice sometimes -choked with sobs, to sing this:-- - - - `Beautiful Soup, so rich and green, - Waiting in a hot tureen! - Who for such dainties would not stoop? - Soup of the evening, beautiful Soup! - Soup of the evening, beautiful Soup! - Beau--ootiful Soo--oop! - Beau--ootiful Soo--oop! - Soo--oop of the e--e--evening, - Beautiful, beautiful Soup! - - `Beautiful Soup! Who cares for fish, - Game, or any other dish? - Who would not give all else for two p - ennyworth only of beautiful Soup? - Pennyworth only of beautiful Soup? - Beau--ootiful Soo--oop! - Beau--ootiful Soo--oop! - Soo--oop of the e--e--evening, - Beautiful, beauti--FUL SOUP!' - - `Chorus again!' cried the Gryphon, and the Mock Turtle had -just begun to repeat it, when a cry of `The trial's beginning!' -was heard in the distance. - - `Come on!' cried the Gryphon, and, taking Alice by the hand, -it hurried off, without waiting for the end of the song. - - `What trial is it?' Alice panted as she ran; but the Gryphon -only answered `Come on!' and ran the faster, while more and more -faintly came, carried on the breeze that followed them, the -melancholy words:-- - - `Soo--oop of the e--e--evening, - Beautiful, beautiful Soup!' - - - - CHAPTER XI - - Who Stole the Tarts? - - - The King and Queen of Hearts were seated on their throne when -they arrived, with a great crowd assembled about them--all sorts -of little birds and beasts, as well as the whole pack of cards: -the Knave was standing before them, in chains, with a soldier on -each side to guard him; and near the King was the White Rabbit, -with a trumpet in one hand, and a scroll of parchment in the -other. In the very middle of the court was a table, with a large -dish of tarts upon it: they looked so good, that it made Alice -quite hungry to look at them--`I wish they'd get the trial done,' -she thought, `and hand round the refreshments!' But there seemed -to be no chance of this, so she began looking at everything about -her, to pass away the time. - - Alice had never been in a court of justice before, but she had -read about them in books, and she was quite pleased to find that -she knew the name of nearly everything there. `That's the -judge,' she said to herself, `because of his great wig.' - - The judge, by the way, was the King; and as he wore his crown -over the wig, (look at the frontispiece if you want to see how he -did it,) he did not look at all comfortable, and it was certainly -not becoming. - - `And that's the jury-box,' thought Alice, `and those twelve -creatures,' (she was obliged to say `creatures,' you see, because -some of them were animals, and some were birds,) `I suppose they -are the jurors.' She said this last word two or three times over -to herself, being rather proud of it: for she thought, and -rightly too, that very few little girls of her age knew the -meaning of it at all. However, `jury-men' would have done just -as well. - - The twelve jurors were all writing very busily on slates. -`What are they doing?' Alice whispered to the Gryphon. `They -can't have anything to put down yet, before the trial's begun.' - - `They're putting down their names,' the Gryphon whispered in -reply, `for fear they should forget them before the end of the -trial.' - - `Stupid things!' Alice began in a loud, indignant voice, but -she stopped hastily, for the White Rabbit cried out, `Silence in -the court!' and the King put on his spectacles and looked -anxiously round, to make out who was talking. - - Alice could see, as well as if she were looking over their -shoulders, that all the jurors were writing down `stupid things!' -on their slates, and she could even make out that one of them -didn't know how to spell `stupid,' and that he had to ask his -neighbour to tell him. `A nice muddle their slates'll be in -before the trial's over!' thought Alice. - - One of the jurors had a pencil that squeaked. This of course, -Alice could not stand, and she went round the court and got -behind him, and very soon found an opportunity of taking it -away. She did it so quickly that the poor little juror (it was -Bill, the Lizard) could not make out at all what had become of -it; so, after hunting all about for it, he was obliged to write -with one finger for the rest of the day; and this was of very -little use, as it left no mark on the slate. - - `Herald, read the accusation!' said the King. - - On this the White Rabbit blew three blasts on the trumpet, and -then unrolled the parchment scroll, and read as follows:-- - - `The Queen of Hearts, she made some tarts, - All on a summer day: - The Knave of Hearts, he stole those tarts, - And took them quite away!' - - `Consider your verdict,' the King said to the jury. - - `Not yet, not yet!' the Rabbit hastily interrupted. `There's -a great deal to come before that!' - - `Call the first witness,' said the King; and the White Rabbit -blew three blasts on the trumpet, and called out, `First -witness!' - - The first witness was the Hatter. He came in with a teacup in -one hand and a piece of bread-and-butter in the other. `I beg -pardon, your Majesty,' he began, `for bringing these in: but I -hadn't quite finished my tea when I was sent for.' - - `You ought to have finished,' said the King. `When did you -begin?' - - The Hatter looked at the March Hare, who had followed him into -the court, arm-in-arm with the Dormouse. `Fourteenth of March, I -think it was,' he said. - - `Fifteenth,' said the March Hare. - - `Sixteenth,' added the Dormouse. - - `Write that down,' the King said to the jury, and the jury -eagerly wrote down all three dates on their slates, and then -added them up, and reduced the answer to shillings and pence. - - `Take off your hat,' the King said to the Hatter. - - `It isn't mine,' said the Hatter. - - `Stolen!' the King exclaimed, turning to the jury, who -instantly made a memorandum of the fact. - - `I keep them to sell,' the Hatter added as an explanation; -`I've none of my own. I'm a hatter.' - - Here the Queen put on her spectacles, and began staring at the -Hatter, who turned pale and fidgeted. - - `Give your evidence,' said the King; `and don't be nervous, or -I'll have you executed on the spot.' - - This did not seem to encourage the witness at all: he kept -shifting from one foot to the other, looking uneasily at the -Queen, and in his confusion he bit a large piece out of his -teacup instead of the bread-and-butter. - - Just at this moment Alice felt a very curious sensation, which -puzzled her a good deal until she made out what it was: she was -beginning to grow larger again, and she thought at first she -would get up and leave the court; but on second thoughts she -decided to remain where she was as long as there was room for -her. - - `I wish you wouldn't squeeze so.' said the Dormouse, who was -sitting next to her. `I can hardly breathe.' - - `I can't help it,' said Alice very meekly: `I'm growing.' - - `You've no right to grow here,' said the Dormouse. - - `Don't talk nonsense,' said Alice more boldly: `you know -you're growing too.' - - `Yes, but I grow at a reasonable pace,' said the Dormouse: -`not in that ridiculous fashion.' And he got up very sulkily -and crossed over to the other side of the court. - - All this time the Queen had never left off staring at the -Hatter, and, just as the Dormouse crossed the court, she said to -one of the officers of the court, `Bring me the list of the -singers in the last concert!' on which the wretched Hatter -trembled so, that he shook both his shoes off. - - `Give your evidence,' the King repeated angrily, `or I'll have -you executed, whether you're nervous or not.' - - `I'm a poor man, your Majesty,' the Hatter began, in a -trembling voice, `--and I hadn't begun my tea--not above a week -or so--and what with the bread-and-butter getting so thin--and -the twinkling of the tea--' - - `The twinkling of the what?' said the King. - - `It began with the tea,' the Hatter replied. - - `Of course twinkling begins with a T!' said the King sharply. -`Do you take me for a dunce? Go on!' - - `I'm a poor man,' the Hatter went on, `and most things -twinkled after that--only the March Hare said--' - - `I didn't!' the March Hare interrupted in a great hurry. - - `You did!' said the Hatter. - - `I deny it!' said the March Hare. - - `He denies it,' said the King: `leave out that part.' - - `Well, at any rate, the Dormouse said--' the Hatter went on, -looking anxiously round to see if he would deny it too: but the -Dormouse denied nothing, being fast asleep. - - `After that,' continued the Hatter, `I cut some more bread- -and-butter--' - - `But what did the Dormouse say?' one of the jury asked. - - `That I can't remember,' said the Hatter. - - `You MUST remember,' remarked the King, `or I'll have you -executed.' - - The miserable Hatter dropped his teacup and bread-and-butter, -and went down on one knee. `I'm a poor man, your Majesty,' he -began. - - `You're a very poor speaker,' said the King. - - Here one of the guinea-pigs cheered, and was immediately -suppressed by the officers of the court. (As that is rather a -hard word, I will just explain to you how it was done. They had -a large canvas bag, which tied up at the mouth with strings: -into this they slipped the guinea-pig, head first, and then sat -upon it.) - - `I'm glad I've seen that done,' thought Alice. `I've so often -read in the newspapers, at the end of trials, "There was some -attempts at applause, which was immediately suppressed by the -officers of the court," and I never understood what it meant -till now.' - - `If that's all you know about it, you may stand down,' -continued the King. - - `I can't go no lower,' said the Hatter: `I'm on the floor, as -it is.' - - `Then you may SIT down,' the King replied. - - Here the other guinea-pig cheered, and was suppressed. - - `Come, that finished the guinea-pigs!' thought Alice. `Now we -shall get on better.' - - `I'd rather finish my tea,' said the Hatter, with an anxious -look at the Queen, who was reading the list of singers. - - `You may go,' said the King, and the Hatter hurriedly left the -court, without even waiting to put his shoes on. - - `--and just take his head off outside,' the Queen added to one -of the officers: but the Hatter was out of sight before the -officer could get to the door. - - `Call the next witness!' said the King. - - The next witness was the Duchess's cook. She carried the -pepper-box in her hand, and Alice guessed who it was, even before -she got into the court, by the way the people near the door began -sneezing all at once. - - `Give your evidence,' said the King. - - `Shan't,' said the cook. - - The King looked anxiously at the White Rabbit, who said in a -low voice, `Your Majesty must cross-examine THIS witness.' - - `Well, if I must, I must,' the King said, with a melancholy -air, and, after folding his arms and frowning at the cook till -his eyes were nearly out of sight, he said in a deep voice, `What -are tarts made of?' - - `Pepper, mostly,' said the cook. - - `Treacle,' said a sleepy voice behind her. - - `Collar that Dormouse,' the Queen shrieked out. `Behead that -Dormouse! Turn that Dormouse out of court! Suppress him! Pinch -him! Off with his whiskers!' - - For some minutes the whole court was in confusion, getting the -Dormouse turned out, and, by the time they had settled down -again, the cook had disappeared. - - `Never mind!' said the King, with an air of great relief. -`Call the next witness.' And he added in an undertone to the -Queen, `Really, my dear, YOU must cross-examine the next witness. -It quite makes my forehead ache!' - - Alice watched the White Rabbit as he fumbled over the list, -feeling very curious to see what the next witness would be like, -`--for they haven't got much evidence YET,' she said to herself. -Imagine her surprise, when the White Rabbit read out, at the top -of his shrill little voice, the name `Alice!' - - - - CHAPTER XII - - Alice's Evidence - - - `Here!' cried Alice, quite forgetting in the flurry of the -moment how large she had grown in the last few minutes, and she -jumped up in such a hurry that she tipped over the jury-box with -the edge of her skirt, upsetting all the jurymen on to the heads -of the crowd below, and there they lay sprawling about, reminding -her very much of a globe of goldfish she had accidentally upset -the week before. - - `Oh, I BEG your pardon!' she exclaimed in a tone of great -dismay, and began picking them up again as quickly as she could, -for the accident of the goldfish kept running in her head, and -she had a vague sort of idea that they must be collected at once -and put back into the jury-box, or they would die. - - `The trial cannot proceed,' said the King in a very grave -voice, `until all the jurymen are back in their proper places-- -ALL,' he repeated with great emphasis, looking hard at Alice as -he said do. - - Alice looked at the jury-box, and saw that, in her haste, she -had put the Lizard in head downwards, and the poor little thing -was waving its tail about in a melancholy way, being quite unable -to move. She soon got it out again, and put it right; `not that -it signifies much,' she said to herself; `I should think it -would be QUITE as much use in the trial one way up as the other.' - - As soon as the jury had a little recovered from the shock of -being upset, and their slates and pencils had been found and -handed back to them, they set to work very diligently to write -out a history of the accident, all except the Lizard, who seemed -too much overcome to do anything but sit with its mouth open, -gazing up into the roof of the court. - - `What do you know about this business?' the King said to -Alice. - - `Nothing,' said Alice. - - `Nothing WHATEVER?' persisted the King. - - `Nothing whatever,' said Alice. - - `That's very important,' the King said, turning to the jury. -They were just beginning to write this down on their slates, when -the White Rabbit interrupted: `UNimportant, your Majesty means, -of course,' he said in a very respectful tone, but frowning and -making faces at him as he spoke. - - `UNimportant, of course, I meant,' the King hastily said, and -went on to himself in an undertone, `important--unimportant-- -unimportant--important--' as if he were trying which word -sounded best. - - Some of the jury wrote it down `important,' and some -`unimportant.' Alice could see this, as she was near enough to -look over their slates; `but it doesn't matter a bit,' she -thought to herself. - - At this moment the King, who had been for some time busily -writing in his note-book, cackled out `Silence!' and read out -from his book, `Rule Forty-two. ALL PERSONS MORE THAN A MILE -HIGH TO LEAVE THE COURT.' - - Everybody looked at Alice. - - `I'M not a mile high,' said Alice. - - `You are,' said the King. - - `Nearly two miles high,' added the Queen. - - `Well, I shan't go, at any rate,' said Alice: `besides, -that's not a regular rule: you invented it just now.' - - `It's the oldest rule in the book,' said the King. - - `Then it ought to be Number One,' said Alice. - - The King turned pale, and shut his note-book hastily. -`Consider your verdict,' he said to the jury, in a low, trembling -voice. - - `There's more evidence to come yet, please your Majesty,' said -the White Rabbit, jumping up in a great hurry; `this paper has -just been picked up.' - - `What's in it?' said the Queen. - - `I haven't opened it yet,' said the White Rabbit, `but it seems -to be a letter, written by the prisoner to--to somebody.' - - `It must have been that,' said the King, `unless it was -written to nobody, which isn't usual, you know.' - - `Who is it directed to?' said one of the jurymen. - - `It isn't directed at all,' said the White Rabbit; `in fact, -there's nothing written on the OUTSIDE.' He unfolded the paper -as he spoke, and added `It isn't a letter, after all: it's a set -of verses.' - - `Are they in the prisoner's handwriting?' asked another of -they jurymen. - - `No, they're not,' said the White Rabbit, `and that's the -queerest thing about it.' (The jury all looked puzzled.) - - `He must have imitated somebody else's hand,' said the King. -(The jury all brightened up again.) - - `Please your Majesty,' said the Knave, `I didn't write it, and -they can't prove I did: there's no name signed at the end.' - - `If you didn't sign it,' said the King, `that only makes the -matter worse. You MUST have meant some mischief, or else you'd -have signed your name like an honest man.' - - There was a general clapping of hands at this: it was the -first really clever thing the King had said that day. - - `That PROVES his guilt,' said the Queen. - - `It proves nothing of the sort!' said Alice. `Why, you don't -even know what they're about!' - - `Read them,' said the King. - - The White Rabbit put on his spectacles. `Where shall I begin, -please your Majesty?' he asked. - - `Begin at the beginning,' the King said gravely, `and go on -till you come to the end: then stop.' - - These were the verses the White Rabbit read:-- - - `They told me you had been to her, - And mentioned me to him: - She gave me a good character, - But said I could not swim. - - He sent them word I had not gone - (We know it to be true): - If she should push the matter on, - What would become of you? - - I gave her one, they gave him two, - You gave us three or more; - They all returned from him to you, - Though they were mine before. - - If I or she should chance to be - Involved in this affair, - He trusts to you to set them free, - Exactly as we were. - - My notion was that you had been - (Before she had this fit) - An obstacle that came between - Him, and ourselves, and it. - - Don't let him know she liked them best, - For this must ever be - A secret, kept from all the rest, - Between yourself and me.' - - `That's the most important piece of evidence we've heard yet,' -said the King, rubbing his hands; `so now let the jury--' - - `If any one of them can explain it,' said Alice, (she had -grown so large in the last few minutes that she wasn't a bit -afraid of interrupting him,) `I'll give him sixpence. _I_ don't -believe there's an atom of meaning in it.' - - The jury all wrote down on their slates, `SHE doesn't believe -there's an atom of meaning in it,' but none of them attempted to -explain the paper. - - `If there's no meaning in it,' said the King, `that saves a -world of trouble, you know, as we needn't try to find any. And -yet I don't know,' he went on, spreading out the verses on his -knee, and looking at them with one eye; `I seem to see some -meaning in them, after all. "--SAID I COULD NOT SWIM--" you -can't swim, can you?' he added, turning to the Knave. - - The Knave shook his head sadly. `Do I look like it?' he said. -(Which he certainly did NOT, being made entirely of cardboard.) - - `All right, so far,' said the King, and he went on muttering -over the verses to himself: `"WE KNOW IT TO BE TRUE--" that's -the jury, of course-- "I GAVE HER ONE, THEY GAVE HIM TWO--" why, -that must be what he did with the tarts, you know--' - - `But, it goes on "THEY ALL RETURNED FROM HIM TO YOU,"' said -Alice. - - `Why, there they are!' said the King triumphantly, pointing to -the tarts on the table. `Nothing can be clearer than THAT. -Then again--"BEFORE SHE HAD THIS FIT--" you never had fits, my -dear, I think?' he said to the Queen. - - `Never!' said the Queen furiously, throwing an inkstand at the -Lizard as she spoke. (The unfortunate little Bill had left off -writing on his slate with one finger, as he found it made no -mark; but he now hastily began again, using the ink, that was -trickling down his face, as long as it lasted.) - - `Then the words don't FIT you,' said the King, looking round -the court with a smile. There was a dead silence. - - `It's a pun!' the King added in an offended tone, and -everybody laughed, `Let the jury consider their verdict,' the -King said, for about the twentieth time that day. - - `No, no!' said the Queen. `Sentence first--verdict afterwards.' - - `Stuff and nonsense!' said Alice loudly. `The idea of having -the sentence first!' - - `Hold your tongue!' said the Queen, turning purple. - - `I won't!' said Alice. - - `Off with her head!' the Queen shouted at the top of her voice. -Nobody moved. - - `Who cares for you?' said Alice, (she had grown to her full -size by this time.) `You're nothing but a pack of cards!' - - At this the whole pack rose up into the air, and came flying -down upon her: she gave a little scream, half of fright and half -of anger, and tried to beat them off, and found herself lying on -the bank, with her head in the lap of her sister, who was gently -brushing away some dead leaves that had fluttered down from the -trees upon her face. - - `Wake up, Alice dear!' said her sister; `Why, what a long -sleep you've had!' - - `Oh, I've had such a curious dream!' said Alice, and she told -her sister, as well as she could remember them, all these strange -Adventures of hers that you have just been reading about; and -when she had finished, her sister kissed her, and said, `It WAS a -curious dream, dear, certainly: but now run in to your tea; it's -getting late.' So Alice got up and ran off, thinking while she -ran, as well she might, what a wonderful dream it had been. - - But her sister sat still just as she left her, leaning her -head on her hand, watching the setting sun, and thinking of -little Alice and all her wonderful Adventures, till she too began -dreaming after a fashion, and this was her dream:-- - - First, she dreamed of little Alice herself, and once again the -tiny hands were clasped upon her knee, and the bright eager eyes -were looking up into hers--she could hear the very tones of her -voice, and see that queer little toss of her head to keep back -the wandering hair that WOULD always get into her eyes--and -still as she listened, or seemed to listen, the whole place -around her became alive the strange creatures of her little -sister's dream. - - The long grass rustled at her feet as the White Rabbit hurried -by--the frightened Mouse splashed his way through the -neighbouring pool--she could hear the rattle of the teacups as -the March Hare and his friends shared their never-ending meal, -and the shrill voice of the Queen ordering off her unfortunate -guests to execution--once more the pig-baby was sneezing on the -Duchess's knee, while plates and dishes crashed around it--once -more the shriek of the Gryphon, the squeaking of the Lizard's -slate-pencil, and the choking of the suppressed guinea-pigs, -filled the air, mixed up with the distant sobs of the miserable -Mock Turtle. - - So she sat on, with closed eyes, and half believed herself in -Wonderland, though she knew she had but to open them again, and -all would change to dull reality--the grass would be only -rustling in the wind, and the pool rippling to the waving of the -reeds--the rattling teacups would change to tinkling sheep- -bells, and the Queen's shrill cries to the voice of the shepherd -boy--and the sneeze of the baby, the shriek of the Gryphon, and -all thy other queer noises, would change (she knew) to the -confused clamour of the busy farm-yard--while the lowing of the -cattle in the distance would take the place of the Mock Turtle's -heavy sobs. - - Lastly, she pictured to herself how this same little sister of -hers would, in the after-time, be herself a grown woman; and how -she would keep, through all her riper years, the simple and -loving heart of her childhood: and how she would gather about -her other little children, and make THEIR eyes bright and eager -with many a strange tale, perhaps even with the dream of -Wonderland of long ago: and how she would feel with all their -simple sorrows, and find a pleasure in all their simple joys, -remembering her own child-life, and the happy summer days. - - THE END - \ No newline at end of file diff --git a/deps/snappy-1.0.5/testdata/asyoulik.txt b/deps/snappy-1.0.5/testdata/asyoulik.txt deleted file mode 100644 index 88dc7b6..0000000 --- a/deps/snappy-1.0.5/testdata/asyoulik.txt +++ /dev/null @@ -1,4122 +0,0 @@ - AS YOU LIKE IT - - - DRAMATIS PERSONAE - - -DUKE SENIOR living in banishment. - -DUKE FREDERICK his brother, an usurper of his dominions. - - -AMIENS | - | lords attending on the banished duke. -JAQUES | - - -LE BEAU a courtier attending upon Frederick. - -CHARLES wrestler to Frederick. - - -OLIVER | - | -JAQUES (JAQUES DE BOYS:) | sons of Sir Rowland de Boys. - | -ORLANDO | - - -ADAM | - | servants to Oliver. -DENNIS | - - -TOUCHSTONE a clown. - -SIR OLIVER MARTEXT a vicar. - - -CORIN | - | shepherds. -SILVIUS | - - -WILLIAM a country fellow in love with Audrey. - - A person representing HYMEN. (HYMEN:) - -ROSALIND daughter to the banished duke. - -CELIA daughter to Frederick. - -PHEBE a shepherdess. - -AUDREY a country wench. - - Lords, pages, and attendants, &c. - (Forester:) - (A Lord:) - (First Lord:) - (Second Lord:) - (First Page:) - (Second Page:) - - -SCENE Oliver's house; Duke Frederick's court; and the - Forest of Arden. - - - - - AS YOU LIKE IT - - -ACT I - - - -SCENE I Orchard of Oliver's house. - - - [Enter ORLANDO and ADAM] - -ORLANDO As I remember, Adam, it was upon this fashion - bequeathed me by will but poor a thousand crowns, - and, as thou sayest, charged my brother, on his - blessing, to breed me well: and there begins my - sadness. My brother Jaques he keeps at school, and - report speaks goldenly of his profit: for my part, - he keeps me rustically at home, or, to speak more - properly, stays me here at home unkept; for call you - that keeping for a gentleman of my birth, that - differs not from the stalling of an ox? His horses - are bred better; for, besides that they are fair - with their feeding, they are taught their manage, - and to that end riders dearly hired: but I, his - brother, gain nothing under him but growth; for the - which his animals on his dunghills are as much - bound to him as I. Besides this nothing that he so - plentifully gives me, the something that nature gave - me his countenance seems to take from me: he lets - me feed with his hinds, bars me the place of a - brother, and, as much as in him lies, mines my - gentility with my education. This is it, Adam, that - grieves me; and the spirit of my father, which I - think is within me, begins to mutiny against this - servitude: I will no longer endure it, though yet I - know no wise remedy how to avoid it. - -ADAM Yonder comes my master, your brother. - -ORLANDO Go apart, Adam, and thou shalt hear how he will - shake me up. - - [Enter OLIVER] - -OLIVER Now, sir! what make you here? - -ORLANDO Nothing: I am not taught to make any thing. - -OLIVER What mar you then, sir? - -ORLANDO Marry, sir, I am helping you to mar that which God - made, a poor unworthy brother of yours, with idleness. - -OLIVER Marry, sir, be better employed, and be naught awhile. - -ORLANDO Shall I keep your hogs and eat husks with them? - What prodigal portion have I spent, that I should - come to such penury? - -OLIVER Know you where your are, sir? - -ORLANDO O, sir, very well; here in your orchard. - -OLIVER Know you before whom, sir? - -ORLANDO Ay, better than him I am before knows me. I know - you are my eldest brother; and, in the gentle - condition of blood, you should so know me. The - courtesy of nations allows you my better, in that - you are the first-born; but the same tradition - takes not away my blood, were there twenty brothers - betwixt us: I have as much of my father in me as - you; albeit, I confess, your coming before me is - nearer to his reverence. - -OLIVER What, boy! - -ORLANDO Come, come, elder brother, you are too young in this. - -OLIVER Wilt thou lay hands on me, villain? - -ORLANDO I am no villain; I am the youngest son of Sir - Rowland de Boys; he was my father, and he is thrice - a villain that says such a father begot villains. - Wert thou not my brother, I would not take this hand - from thy throat till this other had pulled out thy - tongue for saying so: thou hast railed on thyself. - -ADAM Sweet masters, be patient: for your father's - remembrance, be at accord. - -OLIVER Let me go, I say. - -ORLANDO I will not, till I please: you shall hear me. My - father charged you in his will to give me good - education: you have trained me like a peasant, - obscuring and hiding from me all gentleman-like - qualities. The spirit of my father grows strong in - me, and I will no longer endure it: therefore allow - me such exercises as may become a gentleman, or - give me the poor allottery my father left me by - testament; with that I will go buy my fortunes. - -OLIVER And what wilt thou do? beg, when that is spent? - Well, sir, get you in: I will not long be troubled - with you; you shall have some part of your will: I - pray you, leave me. - -ORLANDO I will no further offend you than becomes me for my good. - -OLIVER Get you with him, you old dog. - -ADAM Is 'old dog' my reward? Most true, I have lost my - teeth in your service. God be with my old master! - he would not have spoke such a word. - - [Exeunt ORLANDO and ADAM] - -OLIVER Is it even so? begin you to grow upon me? I will - physic your rankness, and yet give no thousand - crowns neither. Holla, Dennis! - - [Enter DENNIS] - -DENNIS Calls your worship? - -OLIVER Was not Charles, the duke's wrestler, here to speak with me? - -DENNIS So please you, he is here at the door and importunes - access to you. - -OLIVER Call him in. - - [Exit DENNIS] - - 'Twill be a good way; and to-morrow the wrestling is. - - [Enter CHARLES] - -CHARLES Good morrow to your worship. - -OLIVER Good Monsieur Charles, what's the new news at the - new court? - -CHARLES There's no news at the court, sir, but the old news: - that is, the old duke is banished by his younger - brother the new duke; and three or four loving lords - have put themselves into voluntary exile with him, - whose lands and revenues enrich the new duke; - therefore he gives them good leave to wander. - -OLIVER Can you tell if Rosalind, the duke's daughter, be - banished with her father? - -CHARLES O, no; for the duke's daughter, her cousin, so loves - her, being ever from their cradles bred together, - that she would have followed her exile, or have died - to stay behind her. She is at the court, and no - less beloved of her uncle than his own daughter; and - never two ladies loved as they do. - -OLIVER Where will the old duke live? - -CHARLES They say he is already in the forest of Arden, and - a many merry men with him; and there they live like - the old Robin Hood of England: they say many young - gentlemen flock to him every day, and fleet the time - carelessly, as they did in the golden world. - -OLIVER What, you wrestle to-morrow before the new duke? - -CHARLES Marry, do I, sir; and I came to acquaint you with a - matter. I am given, sir, secretly to understand - that your younger brother Orlando hath a disposition - to come in disguised against me to try a fall. - To-morrow, sir, I wrestle for my credit; and he that - escapes me without some broken limb shall acquit him - well. Your brother is but young and tender; and, - for your love, I would be loath to foil him, as I - must, for my own honour, if he come in: therefore, - out of my love to you, I came hither to acquaint you - withal, that either you might stay him from his - intendment or brook such disgrace well as he shall - run into, in that it is a thing of his own search - and altogether against my will. - -OLIVER Charles, I thank thee for thy love to me, which - thou shalt find I will most kindly requite. I had - myself notice of my brother's purpose herein and - have by underhand means laboured to dissuade him from - it, but he is resolute. I'll tell thee, Charles: - it is the stubbornest young fellow of France, full - of ambition, an envious emulator of every man's - good parts, a secret and villanous contriver against - me his natural brother: therefore use thy - discretion; I had as lief thou didst break his neck - as his finger. And thou wert best look to't; for if - thou dost him any slight disgrace or if he do not - mightily grace himself on thee, he will practise - against thee by poison, entrap thee by some - treacherous device and never leave thee till he - hath ta'en thy life by some indirect means or other; - for, I assure thee, and almost with tears I speak - it, there is not one so young and so villanous this - day living. I speak but brotherly of him; but - should I anatomize him to thee as he is, I must - blush and weep and thou must look pale and wonder. - -CHARLES I am heartily glad I came hither to you. If he come - to-morrow, I'll give him his payment: if ever he go - alone again, I'll never wrestle for prize more: and - so God keep your worship! - -OLIVER Farewell, good Charles. - - [Exit CHARLES] - - Now will I stir this gamester: I hope I shall see - an end of him; for my soul, yet I know not why, - hates nothing more than he. Yet he's gentle, never - schooled and yet learned, full of noble device, of - all sorts enchantingly beloved, and indeed so much - in the heart of the world, and especially of my own - people, who best know him, that I am altogether - misprised: but it shall not be so long; this - wrestler shall clear all: nothing remains but that - I kindle the boy thither; which now I'll go about. - - [Exit] - - - - - AS YOU LIKE IT - - -ACT I - - - -SCENE II Lawn before the Duke's palace. - - - [Enter CELIA and ROSALIND] - -CELIA I pray thee, Rosalind, sweet my coz, be merry. - -ROSALIND Dear Celia, I show more mirth than I am mistress of; - and would you yet I were merrier? Unless you could - teach me to forget a banished father, you must not - learn me how to remember any extraordinary pleasure. - -CELIA Herein I see thou lovest me not with the full weight - that I love thee. If my uncle, thy banished father, - had banished thy uncle, the duke my father, so thou - hadst been still with me, I could have taught my - love to take thy father for mine: so wouldst thou, - if the truth of thy love to me were so righteously - tempered as mine is to thee. - -ROSALIND Well, I will forget the condition of my estate, to - rejoice in yours. - -CELIA You know my father hath no child but I, nor none is - like to have: and, truly, when he dies, thou shalt - be his heir, for what he hath taken away from thy - father perforce, I will render thee again in - affection; by mine honour, I will; and when I break - that oath, let me turn monster: therefore, my - sweet Rose, my dear Rose, be merry. - -ROSALIND From henceforth I will, coz, and devise sports. Let - me see; what think you of falling in love? - -CELIA Marry, I prithee, do, to make sport withal: but - love no man in good earnest; nor no further in sport - neither than with safety of a pure blush thou mayst - in honour come off again. - -ROSALIND What shall be our sport, then? - -CELIA Let us sit and mock the good housewife Fortune from - her wheel, that her gifts may henceforth be bestowed equally. - -ROSALIND I would we could do so, for her benefits are - mightily misplaced, and the bountiful blind woman - doth most mistake in her gifts to women. - -CELIA 'Tis true; for those that she makes fair she scarce - makes honest, and those that she makes honest she - makes very ill-favouredly. - -ROSALIND Nay, now thou goest from Fortune's office to - Nature's: Fortune reigns in gifts of the world, - not in the lineaments of Nature. - - [Enter TOUCHSTONE] - -CELIA No? when Nature hath made a fair creature, may she - not by Fortune fall into the fire? Though Nature - hath given us wit to flout at Fortune, hath not - Fortune sent in this fool to cut off the argument? - -ROSALIND Indeed, there is Fortune too hard for Nature, when - Fortune makes Nature's natural the cutter-off of - Nature's wit. - -CELIA Peradventure this is not Fortune's work neither, but - Nature's; who perceiveth our natural wits too dull - to reason of such goddesses and hath sent this - natural for our whetstone; for always the dulness of - the fool is the whetstone of the wits. How now, - wit! whither wander you? - -TOUCHSTONE Mistress, you must come away to your father. - -CELIA Were you made the messenger? - -TOUCHSTONE No, by mine honour, but I was bid to come for you. - -ROSALIND Where learned you that oath, fool? - -TOUCHSTONE Of a certain knight that swore by his honour they - were good pancakes and swore by his honour the - mustard was naught: now I'll stand to it, the - pancakes were naught and the mustard was good, and - yet was not the knight forsworn. - -CELIA How prove you that, in the great heap of your - knowledge? - -ROSALIND Ay, marry, now unmuzzle your wisdom. - -TOUCHSTONE Stand you both forth now: stroke your chins, and - swear by your beards that I am a knave. - -CELIA By our beards, if we had them, thou art. - -TOUCHSTONE By my knavery, if I had it, then I were; but if you - swear by that that is not, you are not forsworn: no - more was this knight swearing by his honour, for he - never had any; or if he had, he had sworn it away - before ever he saw those pancakes or that mustard. - -CELIA Prithee, who is't that thou meanest? - -TOUCHSTONE One that old Frederick, your father, loves. - -CELIA My father's love is enough to honour him: enough! - speak no more of him; you'll be whipped for taxation - one of these days. - -TOUCHSTONE The more pity, that fools may not speak wisely what - wise men do foolishly. - -CELIA By my troth, thou sayest true; for since the little - wit that fools have was silenced, the little foolery - that wise men have makes a great show. Here comes - Monsieur Le Beau. - -ROSALIND With his mouth full of news. - -CELIA Which he will put on us, as pigeons feed their young. - -ROSALIND Then shall we be news-crammed. - -CELIA All the better; we shall be the more marketable. - - [Enter LE BEAU] - - Bon jour, Monsieur Le Beau: what's the news? - -LE BEAU Fair princess, you have lost much good sport. - -CELIA Sport! of what colour? - -LE BEAU What colour, madam! how shall I answer you? - -ROSALIND As wit and fortune will. - -TOUCHSTONE Or as the Destinies decree. - -CELIA Well said: that was laid on with a trowel. - -TOUCHSTONE Nay, if I keep not my rank,-- - -ROSALIND Thou losest thy old smell. - -LE BEAU You amaze me, ladies: I would have told you of good - wrestling, which you have lost the sight of. - -ROSALIND You tell us the manner of the wrestling. - -LE BEAU I will tell you the beginning; and, if it please - your ladyships, you may see the end; for the best is - yet to do; and here, where you are, they are coming - to perform it. - -CELIA Well, the beginning, that is dead and buried. - -LE BEAU There comes an old man and his three sons,-- - -CELIA I could match this beginning with an old tale. - -LE BEAU Three proper young men, of excellent growth and presence. - -ROSALIND With bills on their necks, 'Be it known unto all men - by these presents.' - -LE BEAU The eldest of the three wrestled with Charles, the - duke's wrestler; which Charles in a moment threw him - and broke three of his ribs, that there is little - hope of life in him: so he served the second, and - so the third. Yonder they lie; the poor old man, - their father, making such pitiful dole over them - that all the beholders take his part with weeping. - -ROSALIND Alas! - -TOUCHSTONE But what is the sport, monsieur, that the ladies - have lost? - -LE BEAU Why, this that I speak of. - -TOUCHSTONE Thus men may grow wiser every day: it is the first - time that ever I heard breaking of ribs was sport - for ladies. - -CELIA Or I, I promise thee. - -ROSALIND But is there any else longs to see this broken music - in his sides? is there yet another dotes upon - rib-breaking? Shall we see this wrestling, cousin? - -LE BEAU You must, if you stay here; for here is the place - appointed for the wrestling, and they are ready to - perform it. - -CELIA Yonder, sure, they are coming: let us now stay and see it. - - [Flourish. Enter DUKE FREDERICK, Lords, ORLANDO, - CHARLES, and Attendants] - -DUKE FREDERICK Come on: since the youth will not be entreated, his - own peril on his forwardness. - -ROSALIND Is yonder the man? - -LE BEAU Even he, madam. - -CELIA Alas, he is too young! yet he looks successfully. - -DUKE FREDERICK How now, daughter and cousin! are you crept hither - to see the wrestling? - -ROSALIND Ay, my liege, so please you give us leave. - -DUKE FREDERICK You will take little delight in it, I can tell you; - there is such odds in the man. In pity of the - challenger's youth I would fain dissuade him, but he - will not be entreated. Speak to him, ladies; see if - you can move him. - -CELIA Call him hither, good Monsieur Le Beau. - -DUKE FREDERICK Do so: I'll not be by. - -LE BEAU Monsieur the challenger, the princesses call for you. - -ORLANDO I attend them with all respect and duty. - -ROSALIND Young man, have you challenged Charles the wrestler? - -ORLANDO No, fair princess; he is the general challenger: I - come but in, as others do, to try with him the - strength of my youth. - -CELIA Young gentleman, your spirits are too bold for your - years. You have seen cruel proof of this man's - strength: if you saw yourself with your eyes or - knew yourself with your judgment, the fear of your - adventure would counsel you to a more equal - enterprise. We pray you, for your own sake, to - embrace your own safety and give over this attempt. - -ROSALIND Do, young sir; your reputation shall not therefore - be misprised: we will make it our suit to the duke - that the wrestling might not go forward. - -ORLANDO I beseech you, punish me not with your hard - thoughts; wherein I confess me much guilty, to deny - so fair and excellent ladies any thing. But let - your fair eyes and gentle wishes go with me to my - trial: wherein if I be foiled, there is but one - shamed that was never gracious; if killed, but one - dead that was willing to be so: I shall do my - friends no wrong, for I have none to lament me, the - world no injury, for in it I have nothing; only in - the world I fill up a place, which may be better - supplied when I have made it empty. - -ROSALIND The little strength that I have, I would it were with you. - -CELIA And mine, to eke out hers. - -ROSALIND Fare you well: pray heaven I be deceived in you! - -CELIA Your heart's desires be with you! - -CHARLES Come, where is this young gallant that is so - desirous to lie with his mother earth? - -ORLANDO Ready, sir; but his will hath in it a more modest working. - -DUKE FREDERICK You shall try but one fall. - -CHARLES No, I warrant your grace, you shall not entreat him - to a second, that have so mightily persuaded him - from a first. - -ORLANDO An you mean to mock me after, you should not have - mocked me before: but come your ways. - -ROSALIND Now Hercules be thy speed, young man! - -CELIA I would I were invisible, to catch the strong - fellow by the leg. - - [They wrestle] - -ROSALIND O excellent young man! - -CELIA If I had a thunderbolt in mine eye, I can tell who - should down. - - [Shout. CHARLES is thrown] - -DUKE FREDERICK No more, no more. - -ORLANDO Yes, I beseech your grace: I am not yet well breathed. - -DUKE FREDERICK How dost thou, Charles? - -LE BEAU He cannot speak, my lord. - -DUKE FREDERICK Bear him away. What is thy name, young man? - -ORLANDO Orlando, my liege; the youngest son of Sir Rowland de Boys. - -DUKE FREDERICK I would thou hadst been son to some man else: - The world esteem'd thy father honourable, - But I did find him still mine enemy: - Thou shouldst have better pleased me with this deed, - Hadst thou descended from another house. - But fare thee well; thou art a gallant youth: - I would thou hadst told me of another father. - - [Exeunt DUKE FREDERICK, train, and LE BEAU] - -CELIA Were I my father, coz, would I do this? - -ORLANDO I am more proud to be Sir Rowland's son, - His youngest son; and would not change that calling, - To be adopted heir to Frederick. - -ROSALIND My father loved Sir Rowland as his soul, - And all the world was of my father's mind: - Had I before known this young man his son, - I should have given him tears unto entreaties, - Ere he should thus have ventured. - -CELIA Gentle cousin, - Let us go thank him and encourage him: - My father's rough and envious disposition - Sticks me at heart. Sir, you have well deserved: - If you do keep your promises in love - But justly, as you have exceeded all promise, - Your mistress shall be happy. - -ROSALIND Gentleman, - - [Giving him a chain from her neck] - - Wear this for me, one out of suits with fortune, - That could give more, but that her hand lacks means. - Shall we go, coz? - -CELIA Ay. Fare you well, fair gentleman. - -ORLANDO Can I not say, I thank you? My better parts - Are all thrown down, and that which here stands up - Is but a quintain, a mere lifeless block. - -ROSALIND He calls us back: my pride fell with my fortunes; - I'll ask him what he would. Did you call, sir? - Sir, you have wrestled well and overthrown - More than your enemies. - -CELIA Will you go, coz? - -ROSALIND Have with you. Fare you well. - - [Exeunt ROSALIND and CELIA] - -ORLANDO What passion hangs these weights upon my tongue? - I cannot speak to her, yet she urged conference. - O poor Orlando, thou art overthrown! - Or Charles or something weaker masters thee. - - [Re-enter LE BEAU] - -LE BEAU Good sir, I do in friendship counsel you - To leave this place. Albeit you have deserved - High commendation, true applause and love, - Yet such is now the duke's condition - That he misconstrues all that you have done. - The duke is humorous; what he is indeed, - More suits you to conceive than I to speak of. - -ORLANDO I thank you, sir: and, pray you, tell me this: - Which of the two was daughter of the duke - That here was at the wrestling? - -LE BEAU Neither his daughter, if we judge by manners; - But yet indeed the lesser is his daughter - The other is daughter to the banish'd duke, - And here detain'd by her usurping uncle, - To keep his daughter company; whose loves - Are dearer than the natural bond of sisters. - But I can tell you that of late this duke - Hath ta'en displeasure 'gainst his gentle niece, - Grounded upon no other argument - But that the people praise her for her virtues - And pity her for her good father's sake; - And, on my life, his malice 'gainst the lady - Will suddenly break forth. Sir, fare you well: - Hereafter, in a better world than this, - I shall desire more love and knowledge of you. - -ORLANDO I rest much bounden to you: fare you well. - - [Exit LE BEAU] - - Thus must I from the smoke into the smother; - From tyrant duke unto a tyrant brother: - But heavenly Rosalind! - - [Exit] - - - - - AS YOU LIKE IT - - -ACT I - - - -SCENE III A room in the palace. - - - [Enter CELIA and ROSALIND] - -CELIA Why, cousin! why, Rosalind! Cupid have mercy! not a word? - -ROSALIND Not one to throw at a dog. - -CELIA No, thy words are too precious to be cast away upon - curs; throw some of them at me; come, lame me with reasons. - -ROSALIND Then there were two cousins laid up; when the one - should be lamed with reasons and the other mad - without any. - -CELIA But is all this for your father? - -ROSALIND No, some of it is for my child's father. O, how - full of briers is this working-day world! - -CELIA They are but burs, cousin, thrown upon thee in - holiday foolery: if we walk not in the trodden - paths our very petticoats will catch them. - -ROSALIND I could shake them off my coat: these burs are in my heart. - -CELIA Hem them away. - -ROSALIND I would try, if I could cry 'hem' and have him. - -CELIA Come, come, wrestle with thy affections. - -ROSALIND O, they take the part of a better wrestler than myself! - -CELIA O, a good wish upon you! you will try in time, in - despite of a fall. But, turning these jests out of - service, let us talk in good earnest: is it - possible, on such a sudden, you should fall into so - strong a liking with old Sir Rowland's youngest son? - -ROSALIND The duke my father loved his father dearly. - -CELIA Doth it therefore ensue that you should love his son - dearly? By this kind of chase, I should hate him, - for my father hated his father dearly; yet I hate - not Orlando. - -ROSALIND No, faith, hate him not, for my sake. - -CELIA Why should I not? doth he not deserve well? - -ROSALIND Let me love him for that, and do you love him - because I do. Look, here comes the duke. - -CELIA With his eyes full of anger. - - [Enter DUKE FREDERICK, with Lords] - -DUKE FREDERICK Mistress, dispatch you with your safest haste - And get you from our court. - -ROSALIND Me, uncle? - -DUKE FREDERICK You, cousin - Within these ten days if that thou be'st found - So near our public court as twenty miles, - Thou diest for it. - -ROSALIND I do beseech your grace, - Let me the knowledge of my fault bear with me: - If with myself I hold intelligence - Or have acquaintance with mine own desires, - If that I do not dream or be not frantic,-- - As I do trust I am not--then, dear uncle, - Never so much as in a thought unborn - Did I offend your highness. - -DUKE FREDERICK Thus do all traitors: - If their purgation did consist in words, - They are as innocent as grace itself: - Let it suffice thee that I trust thee not. - -ROSALIND Yet your mistrust cannot make me a traitor: - Tell me whereon the likelihood depends. - -DUKE FREDERICK Thou art thy father's daughter; there's enough. - -ROSALIND So was I when your highness took his dukedom; - So was I when your highness banish'd him: - Treason is not inherited, my lord; - Or, if we did derive it from our friends, - What's that to me? my father was no traitor: - Then, good my liege, mistake me not so much - To think my poverty is treacherous. - -CELIA Dear sovereign, hear me speak. - -DUKE FREDERICK Ay, Celia; we stay'd her for your sake, - Else had she with her father ranged along. - -CELIA I did not then entreat to have her stay; - It was your pleasure and your own remorse: - I was too young that time to value her; - But now I know her: if she be a traitor, - Why so am I; we still have slept together, - Rose at an instant, learn'd, play'd, eat together, - And wheresoever we went, like Juno's swans, - Still we went coupled and inseparable. - -DUKE FREDERICK She is too subtle for thee; and her smoothness, - Her very silence and her patience - Speak to the people, and they pity her. - Thou art a fool: she robs thee of thy name; - And thou wilt show more bright and seem more virtuous - When she is gone. Then open not thy lips: - Firm and irrevocable is my doom - Which I have pass'd upon her; she is banish'd. - -CELIA Pronounce that sentence then on me, my liege: - I cannot live out of her company. - -DUKE FREDERICK You are a fool. You, niece, provide yourself: - If you outstay the time, upon mine honour, - And in the greatness of my word, you die. - - [Exeunt DUKE FREDERICK and Lords] - -CELIA O my poor Rosalind, whither wilt thou go? - Wilt thou change fathers? I will give thee mine. - I charge thee, be not thou more grieved than I am. - -ROSALIND I have more cause. - -CELIA Thou hast not, cousin; - Prithee be cheerful: know'st thou not, the duke - Hath banish'd me, his daughter? - -ROSALIND That he hath not. - -CELIA No, hath not? Rosalind lacks then the love - Which teacheth thee that thou and I am one: - Shall we be sunder'd? shall we part, sweet girl? - No: let my father seek another heir. - Therefore devise with me how we may fly, - Whither to go and what to bear with us; - And do not seek to take your change upon you, - To bear your griefs yourself and leave me out; - For, by this heaven, now at our sorrows pale, - Say what thou canst, I'll go along with thee. - -ROSALIND Why, whither shall we go? - -CELIA To seek my uncle in the forest of Arden. - -ROSALIND Alas, what danger will it be to us, - Maids as we are, to travel forth so far! - Beauty provoketh thieves sooner than gold. - -CELIA I'll put myself in poor and mean attire - And with a kind of umber smirch my face; - The like do you: so shall we pass along - And never stir assailants. - -ROSALIND Were it not better, - Because that I am more than common tall, - That I did suit me all points like a man? - A gallant curtle-axe upon my thigh, - A boar-spear in my hand; and--in my heart - Lie there what hidden woman's fear there will-- - We'll have a swashing and a martial outside, - As many other mannish cowards have - That do outface it with their semblances. - -CELIA What shall I call thee when thou art a man? - -ROSALIND I'll have no worse a name than Jove's own page; - And therefore look you call me Ganymede. - But what will you be call'd? - -CELIA Something that hath a reference to my state - No longer Celia, but Aliena. - -ROSALIND But, cousin, what if we assay'd to steal - The clownish fool out of your father's court? - Would he not be a comfort to our travel? - -CELIA He'll go along o'er the wide world with me; - Leave me alone to woo him. Let's away, - And get our jewels and our wealth together, - Devise the fittest time and safest way - To hide us from pursuit that will be made - After my flight. Now go we in content - To liberty and not to banishment. - - [Exeunt] - - - - - AS YOU LIKE IT - - -ACT II - - - -SCENE I The Forest of Arden. - - - [Enter DUKE SENIOR, AMIENS, and two or three Lords, - like foresters] - -DUKE SENIOR Now, my co-mates and brothers in exile, - Hath not old custom made this life more sweet - Than that of painted pomp? Are not these woods - More free from peril than the envious court? - Here feel we but the penalty of Adam, - The seasons' difference, as the icy fang - And churlish chiding of the winter's wind, - Which, when it bites and blows upon my body, - Even till I shrink with cold, I smile and say - 'This is no flattery: these are counsellors - That feelingly persuade me what I am.' - Sweet are the uses of adversity, - Which, like the toad, ugly and venomous, - Wears yet a precious jewel in his head; - And this our life exempt from public haunt - Finds tongues in trees, books in the running brooks, - Sermons in stones and good in every thing. - I would not change it. - -AMIENS Happy is your grace, - That can translate the stubbornness of fortune - Into so quiet and so sweet a style. - -DUKE SENIOR Come, shall we go and kill us venison? - And yet it irks me the poor dappled fools, - Being native burghers of this desert city, - Should in their own confines with forked heads - Have their round haunches gored. - -First Lord Indeed, my lord, - The melancholy Jaques grieves at that, - And, in that kind, swears you do more usurp - Than doth your brother that hath banish'd you. - To-day my Lord of Amiens and myself - Did steal behind him as he lay along - Under an oak whose antique root peeps out - Upon the brook that brawls along this wood: - To the which place a poor sequester'd stag, - That from the hunter's aim had ta'en a hurt, - Did come to languish, and indeed, my lord, - The wretched animal heaved forth such groans - That their discharge did stretch his leathern coat - Almost to bursting, and the big round tears - Coursed one another down his innocent nose - In piteous chase; and thus the hairy fool - Much marked of the melancholy Jaques, - Stood on the extremest verge of the swift brook, - Augmenting it with tears. - -DUKE SENIOR But what said Jaques? - Did he not moralize this spectacle? - -First Lord O, yes, into a thousand similes. - First, for his weeping into the needless stream; - 'Poor deer,' quoth he, 'thou makest a testament - As worldlings do, giving thy sum of more - To that which had too much:' then, being there alone, - Left and abandon'd of his velvet friends, - ''Tis right:' quoth he; 'thus misery doth part - The flux of company:' anon a careless herd, - Full of the pasture, jumps along by him - And never stays to greet him; 'Ay' quoth Jaques, - 'Sweep on, you fat and greasy citizens; - 'Tis just the fashion: wherefore do you look - Upon that poor and broken bankrupt there?' - Thus most invectively he pierceth through - The body of the country, city, court, - Yea, and of this our life, swearing that we - Are mere usurpers, tyrants and what's worse, - To fright the animals and to kill them up - In their assign'd and native dwelling-place. - -DUKE SENIOR And did you leave him in this contemplation? - -Second Lord We did, my lord, weeping and commenting - Upon the sobbing deer. - -DUKE SENIOR Show me the place: - I love to cope him in these sullen fits, - For then he's full of matter. - -First Lord I'll bring you to him straight. - - [Exeunt] - - - - - AS YOU LIKE IT - - -ACT II - - - -SCENE II A room in the palace. - - - [Enter DUKE FREDERICK, with Lords] - -DUKE FREDERICK Can it be possible that no man saw them? - It cannot be: some villains of my court - Are of consent and sufferance in this. - -First Lord I cannot hear of any that did see her. - The ladies, her attendants of her chamber, - Saw her abed, and in the morning early - They found the bed untreasured of their mistress. - -Second Lord My lord, the roynish clown, at whom so oft - Your grace was wont to laugh, is also missing. - Hisperia, the princess' gentlewoman, - Confesses that she secretly o'erheard - Your daughter and her cousin much commend - The parts and graces of the wrestler - That did but lately foil the sinewy Charles; - And she believes, wherever they are gone, - That youth is surely in their company. - -DUKE FREDERICK Send to his brother; fetch that gallant hither; - If he be absent, bring his brother to me; - I'll make him find him: do this suddenly, - And let not search and inquisition quail - To bring again these foolish runaways. - - [Exeunt] - - - - - AS YOU LIKE IT - - -ACT II - - - -SCENE III Before OLIVER'S house. - - - [Enter ORLANDO and ADAM, meeting] - -ORLANDO Who's there? - -ADAM What, my young master? O, my gentle master! - O my sweet master! O you memory - Of old Sir Rowland! why, what make you here? - Why are you virtuous? why do people love you? - And wherefore are you gentle, strong and valiant? - Why would you be so fond to overcome - The bonny priser of the humorous duke? - Your praise is come too swiftly home before you. - Know you not, master, to some kind of men - Their graces serve them but as enemies? - No more do yours: your virtues, gentle master, - Are sanctified and holy traitors to you. - O, what a world is this, when what is comely - Envenoms him that bears it! - -ORLANDO Why, what's the matter? - -ADAM O unhappy youth! - Come not within these doors; within this roof - The enemy of all your graces lives: - Your brother--no, no brother; yet the son-- - Yet not the son, I will not call him son - Of him I was about to call his father-- - Hath heard your praises, and this night he means - To burn the lodging where you use to lie - And you within it: if he fail of that, - He will have other means to cut you off. - I overheard him and his practises. - This is no place; this house is but a butchery: - Abhor it, fear it, do not enter it. - -ORLANDO Why, whither, Adam, wouldst thou have me go? - -ADAM No matter whither, so you come not here. - -ORLANDO What, wouldst thou have me go and beg my food? - Or with a base and boisterous sword enforce - A thievish living on the common road? - This I must do, or know not what to do: - Yet this I will not do, do how I can; - I rather will subject me to the malice - Of a diverted blood and bloody brother. - -ADAM But do not so. I have five hundred crowns, - The thrifty hire I saved under your father, - Which I did store to be my foster-nurse - When service should in my old limbs lie lame - And unregarded age in corners thrown: - Take that, and He that doth the ravens feed, - Yea, providently caters for the sparrow, - Be comfort to my age! Here is the gold; - And all this I give you. Let me be your servant: - Though I look old, yet I am strong and lusty; - For in my youth I never did apply - Hot and rebellious liquors in my blood, - Nor did not with unbashful forehead woo - The means of weakness and debility; - Therefore my age is as a lusty winter, - Frosty, but kindly: let me go with you; - I'll do the service of a younger man - In all your business and necessities. - -ORLANDO O good old man, how well in thee appears - The constant service of the antique world, - When service sweat for duty, not for meed! - Thou art not for the fashion of these times, - Where none will sweat but for promotion, - And having that, do choke their service up - Even with the having: it is not so with thee. - But, poor old man, thou prunest a rotten tree, - That cannot so much as a blossom yield - In lieu of all thy pains and husbandry - But come thy ways; well go along together, - And ere we have thy youthful wages spent, - We'll light upon some settled low content. - -ADAM Master, go on, and I will follow thee, - To the last gasp, with truth and loyalty. - From seventeen years till now almost fourscore - Here lived I, but now live here no more. - At seventeen years many their fortunes seek; - But at fourscore it is too late a week: - Yet fortune cannot recompense me better - Than to die well and not my master's debtor. - - [Exeunt] - - - - - AS YOU LIKE IT - - -ACT II - - - -SCENE IV The Forest of Arden. - - - [Enter ROSALIND for Ganymede, CELIA for Aliena, - and TOUCHSTONE] - -ROSALIND O Jupiter, how weary are my spirits! - -TOUCHSTONE I care not for my spirits, if my legs were not weary. - -ROSALIND I could find in my heart to disgrace my man's - apparel and to cry like a woman; but I must comfort - the weaker vessel, as doublet and hose ought to show - itself courageous to petticoat: therefore courage, - good Aliena! - -CELIA I pray you, bear with me; I cannot go no further. - -TOUCHSTONE For my part, I had rather bear with you than bear - you; yet I should bear no cross if I did bear you, - for I think you have no money in your purse. - -ROSALIND Well, this is the forest of Arden. - -TOUCHSTONE Ay, now am I in Arden; the more fool I; when I was - at home, I was in a better place: but travellers - must be content. - -ROSALIND Ay, be so, good Touchstone. - - [Enter CORIN and SILVIUS] - - Look you, who comes here; a young man and an old in - solemn talk. - -CORIN That is the way to make her scorn you still. - -SILVIUS O Corin, that thou knew'st how I do love her! - -CORIN I partly guess; for I have loved ere now. - -SILVIUS No, Corin, being old, thou canst not guess, - Though in thy youth thou wast as true a lover - As ever sigh'd upon a midnight pillow: - But if thy love were ever like to mine-- - As sure I think did never man love so-- - How many actions most ridiculous - Hast thou been drawn to by thy fantasy? - -CORIN Into a thousand that I have forgotten. - -SILVIUS O, thou didst then ne'er love so heartily! - If thou remember'st not the slightest folly - That ever love did make thee run into, - Thou hast not loved: - Or if thou hast not sat as I do now, - Wearying thy hearer in thy mistress' praise, - Thou hast not loved: - Or if thou hast not broke from company - Abruptly, as my passion now makes me, - Thou hast not loved. - O Phebe, Phebe, Phebe! - - [Exit] - -ROSALIND Alas, poor shepherd! searching of thy wound, - I have by hard adventure found mine own. - -TOUCHSTONE And I mine. I remember, when I was in love I broke - my sword upon a stone and bid him take that for - coming a-night to Jane Smile; and I remember the - kissing of her batlet and the cow's dugs that her - pretty chopt hands had milked; and I remember the - wooing of a peascod instead of her, from whom I took - two cods and, giving her them again, said with - weeping tears 'Wear these for my sake.' We that are - true lovers run into strange capers; but as all is - mortal in nature, so is all nature in love mortal in folly. - -ROSALIND Thou speakest wiser than thou art ware of. - -TOUCHSTONE Nay, I shall ne'er be ware of mine own wit till I - break my shins against it. - -ROSALIND Jove, Jove! this shepherd's passion - Is much upon my fashion. - -TOUCHSTONE And mine; but it grows something stale with me. - -CELIA I pray you, one of you question yond man - If he for gold will give us any food: - I faint almost to death. - -TOUCHSTONE Holla, you clown! - -ROSALIND Peace, fool: he's not thy kinsman. - -CORIN Who calls? - -TOUCHSTONE Your betters, sir. - -CORIN Else are they very wretched. - -ROSALIND Peace, I say. Good even to you, friend. - -CORIN And to you, gentle sir, and to you all. - -ROSALIND I prithee, shepherd, if that love or gold - Can in this desert place buy entertainment, - Bring us where we may rest ourselves and feed: - Here's a young maid with travel much oppress'd - And faints for succor. - -CORIN Fair sir, I pity her - And wish, for her sake more than for mine own, - My fortunes were more able to relieve her; - But I am shepherd to another man - And do not shear the fleeces that I graze: - My master is of churlish disposition - And little recks to find the way to heaven - By doing deeds of hospitality: - Besides, his cote, his flocks and bounds of feed - Are now on sale, and at our sheepcote now, - By reason of his absence, there is nothing - That you will feed on; but what is, come see. - And in my voice most welcome shall you be. - -ROSALIND What is he that shall buy his flock and pasture? - -CORIN That young swain that you saw here but erewhile, - That little cares for buying any thing. - -ROSALIND I pray thee, if it stand with honesty, - Buy thou the cottage, pasture and the flock, - And thou shalt have to pay for it of us. - -CELIA And we will mend thy wages. I like this place. - And willingly could waste my time in it. - -CORIN Assuredly the thing is to be sold: - Go with me: if you like upon report - The soil, the profit and this kind of life, - I will your very faithful feeder be - And buy it with your gold right suddenly. - - [Exeunt] - - - - - AS YOU LIKE IT - - -ACT II - - - -SCENE V The Forest. - - - [Enter AMIENS, JAQUES, and others] - - SONG. -AMIENS Under the greenwood tree - Who loves to lie with me, - And turn his merry note - Unto the sweet bird's throat, - Come hither, come hither, come hither: - Here shall he see No enemy - But winter and rough weather. - -JAQUES More, more, I prithee, more. - -AMIENS It will make you melancholy, Monsieur Jaques. - -JAQUES I thank it. More, I prithee, more. I can suck - melancholy out of a song, as a weasel sucks eggs. - More, I prithee, more. - -AMIENS My voice is ragged: I know I cannot please you. - -JAQUES I do not desire you to please me; I do desire you to - sing. Come, more; another stanzo: call you 'em stanzos? - -AMIENS What you will, Monsieur Jaques. - -JAQUES Nay, I care not for their names; they owe me - nothing. Will you sing? - -AMIENS More at your request than to please myself. - -JAQUES Well then, if ever I thank any man, I'll thank you; - but that they call compliment is like the encounter - of two dog-apes, and when a man thanks me heartily, - methinks I have given him a penny and he renders me - the beggarly thanks. Come, sing; and you that will - not, hold your tongues. - -AMIENS Well, I'll end the song. Sirs, cover the while; the - duke will drink under this tree. He hath been all - this day to look you. - -JAQUES And I have been all this day to avoid him. He is - too disputable for my company: I think of as many - matters as he, but I give heaven thanks and make no - boast of them. Come, warble, come. - - SONG. - Who doth ambition shun - - [All together here] - - And loves to live i' the sun, - Seeking the food he eats - And pleased with what he gets, - Come hither, come hither, come hither: - Here shall he see No enemy - But winter and rough weather. - -JAQUES I'll give you a verse to this note that I made - yesterday in despite of my invention. - -AMIENS And I'll sing it. - -JAQUES Thus it goes:-- - - If it do come to pass - That any man turn ass, - Leaving his wealth and ease, - A stubborn will to please, - Ducdame, ducdame, ducdame: - Here shall he see - Gross fools as he, - An if he will come to me. - -AMIENS What's that 'ducdame'? - -JAQUES 'Tis a Greek invocation, to call fools into a - circle. I'll go sleep, if I can; if I cannot, I'll - rail against all the first-born of Egypt. - -AMIENS And I'll go seek the duke: his banquet is prepared. - - [Exeunt severally] - - - - - AS YOU LIKE IT - - -ACT II - - - -SCENE VI The forest. - - - [Enter ORLANDO and ADAM] - -ADAM Dear master, I can go no further. O, I die for food! - Here lie I down, and measure out my grave. Farewell, - kind master. - -ORLANDO Why, how now, Adam! no greater heart in thee? Live - a little; comfort a little; cheer thyself a little. - If this uncouth forest yield any thing savage, I - will either be food for it or bring it for food to - thee. Thy conceit is nearer death than thy powers. - For my sake be comfortable; hold death awhile at - the arm's end: I will here be with thee presently; - and if I bring thee not something to eat, I will - give thee leave to die: but if thou diest before I - come, thou art a mocker of my labour. Well said! - thou lookest cheerly, and I'll be with thee quickly. - Yet thou liest in the bleak air: come, I will bear - thee to some shelter; and thou shalt not die for - lack of a dinner, if there live any thing in this - desert. Cheerly, good Adam! - - [Exeunt] - - - - - AS YOU LIKE IT - - -ACT II - - - -SCENE VII The forest. - - - [A table set out. Enter DUKE SENIOR, AMIENS, and - Lords like outlaws] - -DUKE SENIOR I think he be transform'd into a beast; - For I can no where find him like a man. - -First Lord My lord, he is but even now gone hence: - Here was he merry, hearing of a song. - -DUKE SENIOR If he, compact of jars, grow musical, - We shall have shortly discord in the spheres. - Go, seek him: tell him I would speak with him. - - [Enter JAQUES] - -First Lord He saves my labour by his own approach. - -DUKE SENIOR Why, how now, monsieur! what a life is this, - That your poor friends must woo your company? - What, you look merrily! - -JAQUES A fool, a fool! I met a fool i' the forest, - A motley fool; a miserable world! - As I do live by food, I met a fool - Who laid him down and bask'd him in the sun, - And rail'd on Lady Fortune in good terms, - In good set terms and yet a motley fool. - 'Good morrow, fool,' quoth I. 'No, sir,' quoth he, - 'Call me not fool till heaven hath sent me fortune:' - And then he drew a dial from his poke, - And, looking on it with lack-lustre eye, - Says very wisely, 'It is ten o'clock: - Thus we may see,' quoth he, 'how the world wags: - 'Tis but an hour ago since it was nine, - And after one hour more 'twill be eleven; - And so, from hour to hour, we ripe and ripe, - And then, from hour to hour, we rot and rot; - And thereby hangs a tale.' When I did hear - The motley fool thus moral on the time, - My lungs began to crow like chanticleer, - That fools should be so deep-contemplative, - And I did laugh sans intermission - An hour by his dial. O noble fool! - A worthy fool! Motley's the only wear. - -DUKE SENIOR What fool is this? - -JAQUES O worthy fool! One that hath been a courtier, - And says, if ladies be but young and fair, - They have the gift to know it: and in his brain, - Which is as dry as the remainder biscuit - After a voyage, he hath strange places cramm'd - With observation, the which he vents - In mangled forms. O that I were a fool! - I am ambitious for a motley coat. - -DUKE SENIOR Thou shalt have one. - -JAQUES It is my only suit; - Provided that you weed your better judgments - Of all opinion that grows rank in them - That I am wise. I must have liberty - Withal, as large a charter as the wind, - To blow on whom I please; for so fools have; - And they that are most galled with my folly, - They most must laugh. And why, sir, must they so? - The 'why' is plain as way to parish church: - He that a fool doth very wisely hit - Doth very foolishly, although he smart, - Not to seem senseless of the bob: if not, - The wise man's folly is anatomized - Even by the squandering glances of the fool. - Invest me in my motley; give me leave - To speak my mind, and I will through and through - Cleanse the foul body of the infected world, - If they will patiently receive my medicine. - -DUKE SENIOR Fie on thee! I can tell what thou wouldst do. - -JAQUES What, for a counter, would I do but good? - -DUKE SENIOR Most mischievous foul sin, in chiding sin: - For thou thyself hast been a libertine, - As sensual as the brutish sting itself; - And all the embossed sores and headed evils, - That thou with licence of free foot hast caught, - Wouldst thou disgorge into the general world. - -JAQUES Why, who cries out on pride, - That can therein tax any private party? - Doth it not flow as hugely as the sea, - Till that the weary very means do ebb? - What woman in the city do I name, - When that I say the city-woman bears - The cost of princes on unworthy shoulders? - Who can come in and say that I mean her, - When such a one as she such is her neighbour? - Or what is he of basest function - That says his bravery is not of my cost, - Thinking that I mean him, but therein suits - His folly to the mettle of my speech? - There then; how then? what then? Let me see wherein - My tongue hath wrong'd him: if it do him right, - Then he hath wrong'd himself; if he be free, - Why then my taxing like a wild-goose flies, - Unclaim'd of any man. But who comes here? - - [Enter ORLANDO, with his sword drawn] - -ORLANDO Forbear, and eat no more. - -JAQUES Why, I have eat none yet. - -ORLANDO Nor shalt not, till necessity be served. - -JAQUES Of what kind should this cock come of? - -DUKE SENIOR Art thou thus bolden'd, man, by thy distress, - Or else a rude despiser of good manners, - That in civility thou seem'st so empty? - -ORLANDO You touch'd my vein at first: the thorny point - Of bare distress hath ta'en from me the show - Of smooth civility: yet am I inland bred - And know some nurture. But forbear, I say: - He dies that touches any of this fruit - Till I and my affairs are answered. - -JAQUES An you will not be answered with reason, I must die. - -DUKE SENIOR What would you have? Your gentleness shall force - More than your force move us to gentleness. - -ORLANDO I almost die for food; and let me have it. - -DUKE SENIOR Sit down and feed, and welcome to our table. - -ORLANDO Speak you so gently? Pardon me, I pray you: - I thought that all things had been savage here; - And therefore put I on the countenance - Of stern commandment. But whate'er you are - That in this desert inaccessible, - Under the shade of melancholy boughs, - Lose and neglect the creeping hours of time - If ever you have look'd on better days, - If ever been where bells have knoll'd to church, - If ever sat at any good man's feast, - If ever from your eyelids wiped a tear - And know what 'tis to pity and be pitied, - Let gentleness my strong enforcement be: - In the which hope I blush, and hide my sword. - -DUKE SENIOR True is it that we have seen better days, - And have with holy bell been knoll'd to church - And sat at good men's feasts and wiped our eyes - Of drops that sacred pity hath engender'd: - And therefore sit you down in gentleness - And take upon command what help we have - That to your wanting may be minister'd. - -ORLANDO Then but forbear your food a little while, - Whiles, like a doe, I go to find my fawn - And give it food. There is an old poor man, - Who after me hath many a weary step - Limp'd in pure love: till he be first sufficed, - Oppress'd with two weak evils, age and hunger, - I will not touch a bit. - -DUKE SENIOR Go find him out, - And we will nothing waste till you return. - -ORLANDO I thank ye; and be blest for your good comfort! - - [Exit] - -DUKE SENIOR Thou seest we are not all alone unhappy: - This wide and universal theatre - Presents more woeful pageants than the scene - Wherein we play in. - -JAQUES All the world's a stage, - And all the men and women merely players: - They have their exits and their entrances; - And one man in his time plays many parts, - His acts being seven ages. At first the infant, - Mewling and puking in the nurse's arms. - And then the whining school-boy, with his satchel - And shining morning face, creeping like snail - Unwillingly to school. And then the lover, - Sighing like furnace, with a woeful ballad - Made to his mistress' eyebrow. Then a soldier, - Full of strange oaths and bearded like the pard, - Jealous in honour, sudden and quick in quarrel, - Seeking the bubble reputation - Even in the cannon's mouth. And then the justice, - In fair round belly with good capon lined, - With eyes severe and beard of formal cut, - Full of wise saws and modern instances; - And so he plays his part. The sixth age shifts - Into the lean and slipper'd pantaloon, - With spectacles on nose and pouch on side, - His youthful hose, well saved, a world too wide - For his shrunk shank; and his big manly voice, - Turning again toward childish treble, pipes - And whistles in his sound. Last scene of all, - That ends this strange eventful history, - Is second childishness and mere oblivion, - Sans teeth, sans eyes, sans taste, sans everything. - - [Re-enter ORLANDO, with ADAM] - -DUKE SENIOR Welcome. Set down your venerable burthen, - And let him feed. - -ORLANDO I thank you most for him. - -ADAM So had you need: - I scarce can speak to thank you for myself. - -DUKE SENIOR Welcome; fall to: I will not trouble you - As yet, to question you about your fortunes. - Give us some music; and, good cousin, sing. - - SONG. -AMIENS Blow, blow, thou winter wind. - Thou art not so unkind - As man's ingratitude; - Thy tooth is not so keen, - Because thou art not seen, - Although thy breath be rude. - Heigh-ho! sing, heigh-ho! unto the green holly: - Most friendship is feigning, most loving mere folly: - Then, heigh-ho, the holly! - This life is most jolly. - Freeze, freeze, thou bitter sky, - That dost not bite so nigh - As benefits forgot: - Though thou the waters warp, - Thy sting is not so sharp - As friend remember'd not. - Heigh-ho! sing, &c. - -DUKE SENIOR If that you were the good Sir Rowland's son, - As you have whisper'd faithfully you were, - And as mine eye doth his effigies witness - Most truly limn'd and living in your face, - Be truly welcome hither: I am the duke - That loved your father: the residue of your fortune, - Go to my cave and tell me. Good old man, - Thou art right welcome as thy master is. - Support him by the arm. Give me your hand, - And let me all your fortunes understand. - - [Exeunt] - - - - - AS YOU LIKE IT - - -ACT III - - - -SCENE I A room in the palace. - - - [Enter DUKE FREDERICK, Lords, and OLIVER] - -DUKE FREDERICK Not see him since? Sir, sir, that cannot be: - But were I not the better part made mercy, - I should not seek an absent argument - Of my revenge, thou present. But look to it: - Find out thy brother, wheresoe'er he is; - Seek him with candle; bring him dead or living - Within this twelvemonth, or turn thou no more - To seek a living in our territory. - Thy lands and all things that thou dost call thine - Worth seizure do we seize into our hands, - Till thou canst quit thee by thy brothers mouth - Of what we think against thee. - -OLIVER O that your highness knew my heart in this! - I never loved my brother in my life. - -DUKE FREDERICK More villain thou. Well, push him out of doors; - And let my officers of such a nature - Make an extent upon his house and lands: - Do this expediently and turn him going. - - [Exeunt] - - - - - AS YOU LIKE IT - - -ACT III - - - -SCENE II The forest. - - - [Enter ORLANDO, with a paper] - -ORLANDO Hang there, my verse, in witness of my love: - And thou, thrice-crowned queen of night, survey - With thy chaste eye, from thy pale sphere above, - Thy huntress' name that my full life doth sway. - O Rosalind! these trees shall be my books - And in their barks my thoughts I'll character; - That every eye which in this forest looks - Shall see thy virtue witness'd every where. - Run, run, Orlando; carve on every tree - The fair, the chaste and unexpressive she. - - [Exit] - - [Enter CORIN and TOUCHSTONE] - -CORIN And how like you this shepherd's life, Master Touchstone? - -TOUCHSTONE Truly, shepherd, in respect of itself, it is a good - life, but in respect that it is a shepherd's life, - it is naught. In respect that it is solitary, I - like it very well; but in respect that it is - private, it is a very vile life. Now, in respect it - is in the fields, it pleaseth me well; but in - respect it is not in the court, it is tedious. As - is it a spare life, look you, it fits my humour well; - but as there is no more plenty in it, it goes much - against my stomach. Hast any philosophy in thee, shepherd? - -CORIN No more but that I know the more one sickens the - worse at ease he is; and that he that wants money, - means and content is without three good friends; - that the property of rain is to wet and fire to - burn; that good pasture makes fat sheep, and that a - great cause of the night is lack of the sun; that - he that hath learned no wit by nature nor art may - complain of good breeding or comes of a very dull kindred. - -TOUCHSTONE Such a one is a natural philosopher. Wast ever in - court, shepherd? - -CORIN No, truly. - -TOUCHSTONE Then thou art damned. - -CORIN Nay, I hope. - -TOUCHSTONE Truly, thou art damned like an ill-roasted egg, all - on one side. - -CORIN For not being at court? Your reason. - -TOUCHSTONE Why, if thou never wast at court, thou never sawest - good manners; if thou never sawest good manners, - then thy manners must be wicked; and wickedness is - sin, and sin is damnation. Thou art in a parlous - state, shepherd. - -CORIN Not a whit, Touchstone: those that are good manners - at the court are as ridiculous in the country as the - behavior of the country is most mockable at the - court. You told me you salute not at the court, but - you kiss your hands: that courtesy would be - uncleanly, if courtiers were shepherds. - -TOUCHSTONE Instance, briefly; come, instance. - -CORIN Why, we are still handling our ewes, and their - fells, you know, are greasy. - -TOUCHSTONE Why, do not your courtier's hands sweat? and is not - the grease of a mutton as wholesome as the sweat of - a man? Shallow, shallow. A better instance, I say; come. - -CORIN Besides, our hands are hard. - -TOUCHSTONE Your lips will feel them the sooner. Shallow again. - A more sounder instance, come. - -CORIN And they are often tarred over with the surgery of - our sheep: and would you have us kiss tar? The - courtier's hands are perfumed with civet. - -TOUCHSTONE Most shallow man! thou worms-meat, in respect of a - good piece of flesh indeed! Learn of the wise, and - perpend: civet is of a baser birth than tar, the - very uncleanly flux of a cat. Mend the instance, shepherd. - -CORIN You have too courtly a wit for me: I'll rest. - -TOUCHSTONE Wilt thou rest damned? God help thee, shallow man! - God make incision in thee! thou art raw. - -CORIN Sir, I am a true labourer: I earn that I eat, get - that I wear, owe no man hate, envy no man's - happiness, glad of other men's good, content with my - harm, and the greatest of my pride is to see my ewes - graze and my lambs suck. - -TOUCHSTONE That is another simple sin in you, to bring the ewes - and the rams together and to offer to get your - living by the copulation of cattle; to be bawd to a - bell-wether, and to betray a she-lamb of a - twelvemonth to a crooked-pated, old, cuckoldly ram, - out of all reasonable match. If thou beest not - damned for this, the devil himself will have no - shepherds; I cannot see else how thou shouldst - 'scape. - -CORIN Here comes young Master Ganymede, my new mistress's brother. - - [Enter ROSALIND, with a paper, reading] - -ROSALIND From the east to western Ind, - No jewel is like Rosalind. - Her worth, being mounted on the wind, - Through all the world bears Rosalind. - All the pictures fairest lined - Are but black to Rosalind. - Let no fair be kept in mind - But the fair of Rosalind. - -TOUCHSTONE I'll rhyme you so eight years together, dinners and - suppers and sleeping-hours excepted: it is the - right butter-women's rank to market. - -ROSALIND Out, fool! - -TOUCHSTONE For a taste: - If a hart do lack a hind, - Let him seek out Rosalind. - If the cat will after kind, - So be sure will Rosalind. - Winter garments must be lined, - So must slender Rosalind. - They that reap must sheaf and bind; - Then to cart with Rosalind. - Sweetest nut hath sourest rind, - Such a nut is Rosalind. - He that sweetest rose will find - Must find love's prick and Rosalind. - This is the very false gallop of verses: why do you - infect yourself with them? - -ROSALIND Peace, you dull fool! I found them on a tree. - -TOUCHSTONE Truly, the tree yields bad fruit. - -ROSALIND I'll graff it with you, and then I shall graff it - with a medlar: then it will be the earliest fruit - i' the country; for you'll be rotten ere you be half - ripe, and that's the right virtue of the medlar. - -TOUCHSTONE You have said; but whether wisely or no, let the - forest judge. - - [Enter CELIA, with a writing] - -ROSALIND Peace! Here comes my sister, reading: stand aside. - -CELIA [Reads] - - Why should this a desert be? - For it is unpeopled? No: - Tongues I'll hang on every tree, - That shall civil sayings show: - Some, how brief the life of man - Runs his erring pilgrimage, - That the stretching of a span - Buckles in his sum of age; - Some, of violated vows - 'Twixt the souls of friend and friend: - But upon the fairest boughs, - Or at every sentence end, - Will I Rosalinda write, - Teaching all that read to know - The quintessence of every sprite - Heaven would in little show. - Therefore Heaven Nature charged - That one body should be fill'd - With all graces wide-enlarged: - Nature presently distill'd - Helen's cheek, but not her heart, - Cleopatra's majesty, - Atalanta's better part, - Sad Lucretia's modesty. - Thus Rosalind of many parts - By heavenly synod was devised, - Of many faces, eyes and hearts, - To have the touches dearest prized. - Heaven would that she these gifts should have, - And I to live and die her slave. - -ROSALIND O most gentle pulpiter! what tedious homily of love - have you wearied your parishioners withal, and never - cried 'Have patience, good people!' - -CELIA How now! back, friends! Shepherd, go off a little. - Go with him, sirrah. - -TOUCHSTONE Come, shepherd, let us make an honourable retreat; - though not with bag and baggage, yet with scrip and scrippage. - - [Exeunt CORIN and TOUCHSTONE] - -CELIA Didst thou hear these verses? - -ROSALIND O, yes, I heard them all, and more too; for some of - them had in them more feet than the verses would bear. - -CELIA That's no matter: the feet might bear the verses. - -ROSALIND Ay, but the feet were lame and could not bear - themselves without the verse and therefore stood - lamely in the verse. - -CELIA But didst thou hear without wondering how thy name - should be hanged and carved upon these trees? - -ROSALIND I was seven of the nine days out of the wonder - before you came; for look here what I found on a - palm-tree. I was never so be-rhymed since - Pythagoras' time, that I was an Irish rat, which I - can hardly remember. - -CELIA Trow you who hath done this? - -ROSALIND Is it a man? - -CELIA And a chain, that you once wore, about his neck. - Change you colour? - -ROSALIND I prithee, who? - -CELIA O Lord, Lord! it is a hard matter for friends to - meet; but mountains may be removed with earthquakes - and so encounter. - -ROSALIND Nay, but who is it? - -CELIA Is it possible? - -ROSALIND Nay, I prithee now with most petitionary vehemence, - tell me who it is. - -CELIA O wonderful, wonderful, and most wonderful - wonderful! and yet again wonderful, and after that, - out of all hooping! - -ROSALIND Good my complexion! dost thou think, though I am - caparisoned like a man, I have a doublet and hose in - my disposition? One inch of delay more is a - South-sea of discovery; I prithee, tell me who is it - quickly, and speak apace. I would thou couldst - stammer, that thou mightst pour this concealed man - out of thy mouth, as wine comes out of a narrow- - mouthed bottle, either too much at once, or none at - all. I prithee, take the cork out of thy mouth that - may drink thy tidings. - -CELIA So you may put a man in your belly. - -ROSALIND Is he of God's making? What manner of man? Is his - head worth a hat, or his chin worth a beard? - -CELIA Nay, he hath but a little beard. - -ROSALIND Why, God will send more, if the man will be - thankful: let me stay the growth of his beard, if - thou delay me not the knowledge of his chin. - -CELIA It is young Orlando, that tripped up the wrestler's - heels and your heart both in an instant. - -ROSALIND Nay, but the devil take mocking: speak, sad brow and - true maid. - -CELIA I' faith, coz, 'tis he. - -ROSALIND Orlando? - -CELIA Orlando. - -ROSALIND Alas the day! what shall I do with my doublet and - hose? What did he when thou sawest him? What said - he? How looked he? Wherein went he? What makes - him here? Did he ask for me? Where remains he? - How parted he with thee? and when shalt thou see - him again? Answer me in one word. - -CELIA You must borrow me Gargantua's mouth first: 'tis a - word too great for any mouth of this age's size. To - say ay and no to these particulars is more than to - answer in a catechism. - -ROSALIND But doth he know that I am in this forest and in - man's apparel? Looks he as freshly as he did the - day he wrestled? - -CELIA It is as easy to count atomies as to resolve the - propositions of a lover; but take a taste of my - finding him, and relish it with good observance. - I found him under a tree, like a dropped acorn. - -ROSALIND It may well be called Jove's tree, when it drops - forth such fruit. - -CELIA Give me audience, good madam. - -ROSALIND Proceed. - -CELIA There lay he, stretched along, like a wounded knight. - -ROSALIND Though it be pity to see such a sight, it well - becomes the ground. - -CELIA Cry 'holla' to thy tongue, I prithee; it curvets - unseasonably. He was furnished like a hunter. - -ROSALIND O, ominous! he comes to kill my heart. - -CELIA I would sing my song without a burden: thou bringest - me out of tune. - -ROSALIND Do you not know I am a woman? when I think, I must - speak. Sweet, say on. - -CELIA You bring me out. Soft! comes he not here? - - [Enter ORLANDO and JAQUES] - -ROSALIND 'Tis he: slink by, and note him. - -JAQUES I thank you for your company; but, good faith, I had - as lief have been myself alone. - -ORLANDO And so had I; but yet, for fashion sake, I thank you - too for your society. - -JAQUES God be wi' you: let's meet as little as we can. - -ORLANDO I do desire we may be better strangers. - -JAQUES I pray you, mar no more trees with writing - love-songs in their barks. - -ORLANDO I pray you, mar no more of my verses with reading - them ill-favouredly. - -JAQUES Rosalind is your love's name? - -ORLANDO Yes, just. - -JAQUES I do not like her name. - -ORLANDO There was no thought of pleasing you when she was - christened. - -JAQUES What stature is she of? - -ORLANDO Just as high as my heart. - -JAQUES You are full of pretty answers. Have you not been - acquainted with goldsmiths' wives, and conned them - out of rings? - -ORLANDO Not so; but I answer you right painted cloth, from - whence you have studied your questions. - -JAQUES You have a nimble wit: I think 'twas made of - Atalanta's heels. Will you sit down with me? and - we two will rail against our mistress the world and - all our misery. - -ORLANDO I will chide no breather in the world but myself, - against whom I know most faults. - -JAQUES The worst fault you have is to be in love. - -ORLANDO 'Tis a fault I will not change for your best virtue. - I am weary of you. - -JAQUES By my troth, I was seeking for a fool when I found - you. - -ORLANDO He is drowned in the brook: look but in, and you - shall see him. - -JAQUES There I shall see mine own figure. - -ORLANDO Which I take to be either a fool or a cipher. - -JAQUES I'll tarry no longer with you: farewell, good - Signior Love. - -ORLANDO I am glad of your departure: adieu, good Monsieur - Melancholy. - - [Exit JAQUES] - -ROSALIND [Aside to CELIA] I will speak to him, like a saucy - lackey and under that habit play the knave with him. - Do you hear, forester? - -ORLANDO Very well: what would you? - -ROSALIND I pray you, what is't o'clock? - -ORLANDO You should ask me what time o' day: there's no clock - in the forest. - -ROSALIND Then there is no true lover in the forest; else - sighing every minute and groaning every hour would - detect the lazy foot of Time as well as a clock. - -ORLANDO And why not the swift foot of Time? had not that - been as proper? - -ROSALIND By no means, sir: Time travels in divers paces with - divers persons. I'll tell you who Time ambles - withal, who Time trots withal, who Time gallops - withal and who he stands still withal. - -ORLANDO I prithee, who doth he trot withal? - -ROSALIND Marry, he trots hard with a young maid between the - contract of her marriage and the day it is - solemnized: if the interim be but a se'nnight, - Time's pace is so hard that it seems the length of - seven year. - -ORLANDO Who ambles Time withal? - -ROSALIND With a priest that lacks Latin and a rich man that - hath not the gout, for the one sleeps easily because - he cannot study, and the other lives merrily because - he feels no pain, the one lacking the burden of lean - and wasteful learning, the other knowing no burden - of heavy tedious penury; these Time ambles withal. - -ORLANDO Who doth he gallop withal? - -ROSALIND With a thief to the gallows, for though he go as - softly as foot can fall, he thinks himself too soon there. - -ORLANDO Who stays it still withal? - -ROSALIND With lawyers in the vacation, for they sleep between - term and term and then they perceive not how Time moves. - -ORLANDO Where dwell you, pretty youth? - -ROSALIND With this shepherdess, my sister; here in the - skirts of the forest, like fringe upon a petticoat. - -ORLANDO Are you native of this place? - -ROSALIND As the cony that you see dwell where she is kindled. - -ORLANDO Your accent is something finer than you could - purchase in so removed a dwelling. - -ROSALIND I have been told so of many: but indeed an old - religious uncle of mine taught me to speak, who was - in his youth an inland man; one that knew courtship - too well, for there he fell in love. I have heard - him read many lectures against it, and I thank God - I am not a woman, to be touched with so many - giddy offences as he hath generally taxed their - whole sex withal. - -ORLANDO Can you remember any of the principal evils that he - laid to the charge of women? - -ROSALIND There were none principal; they were all like one - another as half-pence are, every one fault seeming - monstrous till his fellow fault came to match it. - -ORLANDO I prithee, recount some of them. - -ROSALIND No, I will not cast away my physic but on those that - are sick. There is a man haunts the forest, that - abuses our young plants with carving 'Rosalind' on - their barks; hangs odes upon hawthorns and elegies - on brambles, all, forsooth, deifying the name of - Rosalind: if I could meet that fancy-monger I would - give him some good counsel, for he seems to have the - quotidian of love upon him. - -ORLANDO I am he that is so love-shaked: I pray you tell me - your remedy. - -ROSALIND There is none of my uncle's marks upon you: he - taught me how to know a man in love; in which cage - of rushes I am sure you are not prisoner. - -ORLANDO What were his marks? - -ROSALIND A lean cheek, which you have not, a blue eye and - sunken, which you have not, an unquestionable - spirit, which you have not, a beard neglected, - which you have not; but I pardon you for that, for - simply your having in beard is a younger brother's - revenue: then your hose should be ungartered, your - bonnet unbanded, your sleeve unbuttoned, your shoe - untied and every thing about you demonstrating a - careless desolation; but you are no such man; you - are rather point-device in your accoutrements as - loving yourself than seeming the lover of any other. - -ORLANDO Fair youth, I would I could make thee believe I love. - -ROSALIND Me believe it! you may as soon make her that you - love believe it; which, I warrant, she is apter to - do than to confess she does: that is one of the - points in the which women still give the lie to - their consciences. But, in good sooth, are you he - that hangs the verses on the trees, wherein Rosalind - is so admired? - -ORLANDO I swear to thee, youth, by the white hand of - Rosalind, I am that he, that unfortunate he. - -ROSALIND But are you so much in love as your rhymes speak? - -ORLANDO Neither rhyme nor reason can express how much. - -ROSALIND Love is merely a madness, and, I tell you, deserves - as well a dark house and a whip as madmen do: and - the reason why they are not so punished and cured - is, that the lunacy is so ordinary that the whippers - are in love too. Yet I profess curing it by counsel. - -ORLANDO Did you ever cure any so? - -ROSALIND Yes, one, and in this manner. He was to imagine me - his love, his mistress; and I set him every day to - woo me: at which time would I, being but a moonish - youth, grieve, be effeminate, changeable, longing - and liking, proud, fantastical, apish, shallow, - inconstant, full of tears, full of smiles, for every - passion something and for no passion truly any - thing, as boys and women are for the most part - cattle of this colour; would now like him, now loathe - him; then entertain him, then forswear him; now weep - for him, then spit at him; that I drave my suitor - from his mad humour of love to a living humour of - madness; which was, to forswear the full stream of - the world, and to live in a nook merely monastic. - And thus I cured him; and this way will I take upon - me to wash your liver as clean as a sound sheep's - heart, that there shall not be one spot of love in't. - -ORLANDO I would not be cured, youth. - -ROSALIND I would cure you, if you would but call me Rosalind - and come every day to my cote and woo me. - -ORLANDO Now, by the faith of my love, I will: tell me - where it is. - -ROSALIND Go with me to it and I'll show it you and by the way - you shall tell me where in the forest you live. - Will you go? - -ORLANDO With all my heart, good youth. - -ROSALIND Nay you must call me Rosalind. Come, sister, will you go? - - [Exeunt] - - - - - AS YOU LIKE IT - - -ACT III - - - -SCENE III The forest. - - - [Enter TOUCHSTONE and AUDREY; JAQUES behind] - -TOUCHSTONE Come apace, good Audrey: I will fetch up your - goats, Audrey. And how, Audrey? am I the man yet? - doth my simple feature content you? - -AUDREY Your features! Lord warrant us! what features! - -TOUCHSTONE I am here with thee and thy goats, as the most - capricious poet, honest Ovid, was among the Goths. - -JAQUES [Aside] O knowledge ill-inhabited, worse than Jove - in a thatched house! - -TOUCHSTONE When a man's verses cannot be understood, nor a - man's good wit seconded with the forward child - Understanding, it strikes a man more dead than a - great reckoning in a little room. Truly, I would - the gods had made thee poetical. - -AUDREY I do not know what 'poetical' is: is it honest in - deed and word? is it a true thing? - -TOUCHSTONE No, truly; for the truest poetry is the most - feigning; and lovers are given to poetry, and what - they swear in poetry may be said as lovers they do feign. - -AUDREY Do you wish then that the gods had made me poetical? - -TOUCHSTONE I do, truly; for thou swearest to me thou art - honest: now, if thou wert a poet, I might have some - hope thou didst feign. - -AUDREY Would you not have me honest? - -TOUCHSTONE No, truly, unless thou wert hard-favoured; for - honesty coupled to beauty is to have honey a sauce to sugar. - -JAQUES [Aside] A material fool! - -AUDREY Well, I am not fair; and therefore I pray the gods - make me honest. - -TOUCHSTONE Truly, and to cast away honesty upon a foul slut - were to put good meat into an unclean dish. - -AUDREY I am not a slut, though I thank the gods I am foul. - -TOUCHSTONE Well, praised be the gods for thy foulness! - sluttishness may come hereafter. But be it as it may - be, I will marry thee, and to that end I have been - with Sir Oliver Martext, the vicar of the next - village, who hath promised to meet me in this place - of the forest and to couple us. - -JAQUES [Aside] I would fain see this meeting. - -AUDREY Well, the gods give us joy! - -TOUCHSTONE Amen. A man may, if he were of a fearful heart, - stagger in this attempt; for here we have no temple - but the wood, no assembly but horn-beasts. But what - though? Courage! As horns are odious, they are - necessary. It is said, 'many a man knows no end of - his goods:' right; many a man has good horns, and - knows no end of them. Well, that is the dowry of - his wife; 'tis none of his own getting. Horns? - Even so. Poor men alone? No, no; the noblest deer - hath them as huge as the rascal. Is the single man - therefore blessed? No: as a walled town is more - worthier than a village, so is the forehead of a - married man more honourable than the bare brow of a - bachelor; and by how much defence is better than no - skill, by so much is a horn more precious than to - want. Here comes Sir Oliver. - - [Enter SIR OLIVER MARTEXT] - - Sir Oliver Martext, you are well met: will you - dispatch us here under this tree, or shall we go - with you to your chapel? - -SIR OLIVER MARTEXT Is there none here to give the woman? - -TOUCHSTONE I will not take her on gift of any man. - -SIR OLIVER MARTEXT Truly, she must be given, or the marriage is not lawful. - -JAQUES [Advancing] - - Proceed, proceed I'll give her. - -TOUCHSTONE Good even, good Master What-ye-call't: how do you, - sir? You are very well met: God 'ild you for your - last company: I am very glad to see you: even a - toy in hand here, sir: nay, pray be covered. - -JAQUES Will you be married, motley? - -TOUCHSTONE As the ox hath his bow, sir, the horse his curb and - the falcon her bells, so man hath his desires; and - as pigeons bill, so wedlock would be nibbling. - -JAQUES And will you, being a man of your breeding, be - married under a bush like a beggar? Get you to - church, and have a good priest that can tell you - what marriage is: this fellow will but join you - together as they join wainscot; then one of you will - prove a shrunk panel and, like green timber, warp, warp. - -TOUCHSTONE [Aside] I am not in the mind but I were better to be - married of him than of another: for he is not like - to marry me well; and not being well married, it - will be a good excuse for me hereafter to leave my wife. - -JAQUES Go thou with me, and let me counsel thee. - -TOUCHSTONE 'Come, sweet Audrey: - We must be married, or we must live in bawdry. - Farewell, good Master Oliver: not,-- - O sweet Oliver, - O brave Oliver, - Leave me not behind thee: but,-- - Wind away, - Begone, I say, - I will not to wedding with thee. - - [Exeunt JAQUES, TOUCHSTONE and AUDREY] - -SIR OLIVER MARTEXT 'Tis no matter: ne'er a fantastical knave of them - all shall flout me out of my calling. - - [Exit] - - - - - AS YOU LIKE IT - - -ACT III - - - -SCENE IV The forest. - - - [Enter ROSALIND and CELIA] - -ROSALIND Never talk to me; I will weep. - -CELIA Do, I prithee; but yet have the grace to consider - that tears do not become a man. - -ROSALIND But have I not cause to weep? - -CELIA As good cause as one would desire; therefore weep. - -ROSALIND His very hair is of the dissembling colour. - -CELIA Something browner than Judas's marry, his kisses are - Judas's own children. - -ROSALIND I' faith, his hair is of a good colour. - -CELIA An excellent colour: your chestnut was ever the only colour. - -ROSALIND And his kissing is as full of sanctity as the touch - of holy bread. - -CELIA He hath bought a pair of cast lips of Diana: a nun - of winter's sisterhood kisses not more religiously; - the very ice of chastity is in them. - -ROSALIND But why did he swear he would come this morning, and - comes not? - -CELIA Nay, certainly, there is no truth in him. - -ROSALIND Do you think so? - -CELIA Yes; I think he is not a pick-purse nor a - horse-stealer, but for his verity in love, I do - think him as concave as a covered goblet or a - worm-eaten nut. - -ROSALIND Not true in love? - -CELIA Yes, when he is in; but I think he is not in. - -ROSALIND You have heard him swear downright he was. - -CELIA 'Was' is not 'is:' besides, the oath of a lover is - no stronger than the word of a tapster; they are - both the confirmer of false reckonings. He attends - here in the forest on the duke your father. - -ROSALIND I met the duke yesterday and had much question with - him: he asked me of what parentage I was; I told - him, of as good as he; so he laughed and let me go. - But what talk we of fathers, when there is such a - man as Orlando? - -CELIA O, that's a brave man! he writes brave verses, - speaks brave words, swears brave oaths and breaks - them bravely, quite traverse, athwart the heart of - his lover; as a puisny tilter, that spurs his horse - but on one side, breaks his staff like a noble - goose: but all's brave that youth mounts and folly - guides. Who comes here? - - [Enter CORIN] - -CORIN Mistress and master, you have oft inquired - After the shepherd that complain'd of love, - Who you saw sitting by me on the turf, - Praising the proud disdainful shepherdess - That was his mistress. - -CELIA Well, and what of him? - -CORIN If you will see a pageant truly play'd, - Between the pale complexion of true love - And the red glow of scorn and proud disdain, - Go hence a little and I shall conduct you, - If you will mark it. - -ROSALIND O, come, let us remove: - The sight of lovers feedeth those in love. - Bring us to this sight, and you shall say - I'll prove a busy actor in their play. - - [Exeunt] - - - - - AS YOU LIKE IT - - -ACT III - - - -SCENE V Another part of the forest. - - - [Enter SILVIUS and PHEBE] - -SILVIUS Sweet Phebe, do not scorn me; do not, Phebe; - Say that you love me not, but say not so - In bitterness. The common executioner, - Whose heart the accustom'd sight of death makes hard, - Falls not the axe upon the humbled neck - But first begs pardon: will you sterner be - Than he that dies and lives by bloody drops? - - [Enter ROSALIND, CELIA, and CORIN, behind] - -PHEBE I would not be thy executioner: - I fly thee, for I would not injure thee. - Thou tell'st me there is murder in mine eye: - 'Tis pretty, sure, and very probable, - That eyes, that are the frail'st and softest things, - Who shut their coward gates on atomies, - Should be call'd tyrants, butchers, murderers! - Now I do frown on thee with all my heart; - And if mine eyes can wound, now let them kill thee: - Now counterfeit to swoon; why now fall down; - Or if thou canst not, O, for shame, for shame, - Lie not, to say mine eyes are murderers! - Now show the wound mine eye hath made in thee: - Scratch thee but with a pin, and there remains - Some scar of it; lean but upon a rush, - The cicatrice and capable impressure - Thy palm some moment keeps; but now mine eyes, - Which I have darted at thee, hurt thee not, - Nor, I am sure, there is no force in eyes - That can do hurt. - -SILVIUS O dear Phebe, - If ever,--as that ever may be near,-- - You meet in some fresh cheek the power of fancy, - Then shall you know the wounds invisible - That love's keen arrows make. - -PHEBE But till that time - Come not thou near me: and when that time comes, - Afflict me with thy mocks, pity me not; - As till that time I shall not pity thee. - -ROSALIND And why, I pray you? Who might be your mother, - That you insult, exult, and all at once, - Over the wretched? What though you have no beauty,-- - As, by my faith, I see no more in you - Than without candle may go dark to bed-- - Must you be therefore proud and pitiless? - Why, what means this? Why do you look on me? - I see no more in you than in the ordinary - Of nature's sale-work. 'Od's my little life, - I think she means to tangle my eyes too! - No, faith, proud mistress, hope not after it: - 'Tis not your inky brows, your black silk hair, - Your bugle eyeballs, nor your cheek of cream, - That can entame my spirits to your worship. - You foolish shepherd, wherefore do you follow her, - Like foggy south puffing with wind and rain? - You are a thousand times a properer man - Than she a woman: 'tis such fools as you - That makes the world full of ill-favour'd children: - 'Tis not her glass, but you, that flatters her; - And out of you she sees herself more proper - Than any of her lineaments can show her. - But, mistress, know yourself: down on your knees, - And thank heaven, fasting, for a good man's love: - For I must tell you friendly in your ear, - Sell when you can: you are not for all markets: - Cry the man mercy; love him; take his offer: - Foul is most foul, being foul to be a scoffer. - So take her to thee, shepherd: fare you well. - -PHEBE Sweet youth, I pray you, chide a year together: - I had rather hear you chide than this man woo. - -ROSALIND He's fallen in love with your foulness and she'll - fall in love with my anger. If it be so, as fast as - she answers thee with frowning looks, I'll sauce her - with bitter words. Why look you so upon me? - -PHEBE For no ill will I bear you. - -ROSALIND I pray you, do not fall in love with me, - For I am falser than vows made in wine: - Besides, I like you not. If you will know my house, - 'Tis at the tuft of olives here hard by. - Will you go, sister? Shepherd, ply her hard. - Come, sister. Shepherdess, look on him better, - And be not proud: though all the world could see, - None could be so abused in sight as he. - Come, to our flock. - - [Exeunt ROSALIND, CELIA and CORIN] - -PHEBE Dead Shepherd, now I find thy saw of might, - 'Who ever loved that loved not at first sight?' - -SILVIUS Sweet Phebe,-- - -PHEBE Ha, what say'st thou, Silvius? - -SILVIUS Sweet Phebe, pity me. - -PHEBE Why, I am sorry for thee, gentle Silvius. - -SILVIUS Wherever sorrow is, relief would be: - If you do sorrow at my grief in love, - By giving love your sorrow and my grief - Were both extermined. - -PHEBE Thou hast my love: is not that neighbourly? - -SILVIUS I would have you. - -PHEBE Why, that were covetousness. - Silvius, the time was that I hated thee, - And yet it is not that I bear thee love; - But since that thou canst talk of love so well, - Thy company, which erst was irksome to me, - I will endure, and I'll employ thee too: - But do not look for further recompense - Than thine own gladness that thou art employ'd. - -SILVIUS So holy and so perfect is my love, - And I in such a poverty of grace, - That I shall think it a most plenteous crop - To glean the broken ears after the man - That the main harvest reaps: loose now and then - A scatter'd smile, and that I'll live upon. - -PHEBE Know'st now the youth that spoke to me erewhile? - -SILVIUS Not very well, but I have met him oft; - And he hath bought the cottage and the bounds - That the old carlot once was master of. - -PHEBE Think not I love him, though I ask for him: - 'Tis but a peevish boy; yet he talks well; - But what care I for words? yet words do well - When he that speaks them pleases those that hear. - It is a pretty youth: not very pretty: - But, sure, he's proud, and yet his pride becomes him: - He'll make a proper man: the best thing in him - Is his complexion; and faster than his tongue - Did make offence his eye did heal it up. - He is not very tall; yet for his years he's tall: - His leg is but so so; and yet 'tis well: - There was a pretty redness in his lip, - A little riper and more lusty red - Than that mix'd in his cheek; 'twas just the difference - Between the constant red and mingled damask. - There be some women, Silvius, had they mark'd him - In parcels as I did, would have gone near - To fall in love with him; but, for my part, - I love him not nor hate him not; and yet - I have more cause to hate him than to love him: - For what had he to do to chide at me? - He said mine eyes were black and my hair black: - And, now I am remember'd, scorn'd at me: - I marvel why I answer'd not again: - But that's all one; omittance is no quittance. - I'll write to him a very taunting letter, - And thou shalt bear it: wilt thou, Silvius? - -SILVIUS Phebe, with all my heart. - -PHEBE I'll write it straight; - The matter's in my head and in my heart: - I will be bitter with him and passing short. - Go with me, Silvius. - - [Exeunt] - - - - - AS YOU LIKE IT - - -ACT IV - - - -SCENE I The forest. - - - [Enter ROSALIND, CELIA, and JAQUES] - -JAQUES I prithee, pretty youth, let me be better acquainted - with thee. - -ROSALIND They say you are a melancholy fellow. - -JAQUES I am so; I do love it better than laughing. - -ROSALIND Those that are in extremity of either are abominable - fellows and betray themselves to every modern - censure worse than drunkards. - -JAQUES Why, 'tis good to be sad and say nothing. - -ROSALIND Why then, 'tis good to be a post. - -JAQUES I have neither the scholar's melancholy, which is - emulation, nor the musician's, which is fantastical, - nor the courtier's, which is proud, nor the - soldier's, which is ambitious, nor the lawyer's, - which is politic, nor the lady's, which is nice, nor - the lover's, which is all these: but it is a - melancholy of mine own, compounded of many simples, - extracted from many objects, and indeed the sundry's - contemplation of my travels, in which my often - rumination wraps me m a most humorous sadness. - -ROSALIND A traveller! By my faith, you have great reason to - be sad: I fear you have sold your own lands to see - other men's; then, to have seen much and to have - nothing, is to have rich eyes and poor hands. - -JAQUES Yes, I have gained my experience. - -ROSALIND And your experience makes you sad: I had rather have - a fool to make me merry than experience to make me - sad; and to travel for it too! - - [Enter ORLANDO] - -ORLANDO Good day and happiness, dear Rosalind! - -JAQUES Nay, then, God be wi' you, an you talk in blank verse. - - [Exit] - -ROSALIND Farewell, Monsieur Traveller: look you lisp and - wear strange suits, disable all the benefits of your - own country, be out of love with your nativity and - almost chide God for making you that countenance you - are, or I will scarce think you have swam in a - gondola. Why, how now, Orlando! where have you been - all this while? You a lover! An you serve me such - another trick, never come in my sight more. - -ORLANDO My fair Rosalind, I come within an hour of my promise. - -ROSALIND Break an hour's promise in love! He that will - divide a minute into a thousand parts and break but - a part of the thousandth part of a minute in the - affairs of love, it may be said of him that Cupid - hath clapped him o' the shoulder, but I'll warrant - him heart-whole. - -ORLANDO Pardon me, dear Rosalind. - -ROSALIND Nay, an you be so tardy, come no more in my sight: I - had as lief be wooed of a snail. - -ORLANDO Of a snail? - -ROSALIND Ay, of a snail; for though he comes slowly, he - carries his house on his head; a better jointure, - I think, than you make a woman: besides he brings - his destiny with him. - -ORLANDO What's that? - -ROSALIND Why, horns, which such as you are fain to be - beholding to your wives for: but he comes armed in - his fortune and prevents the slander of his wife. - -ORLANDO Virtue is no horn-maker; and my Rosalind is virtuous. - -ROSALIND And I am your Rosalind. - -CELIA It pleases him to call you so; but he hath a - Rosalind of a better leer than you. - -ROSALIND Come, woo me, woo me, for now I am in a holiday - humour and like enough to consent. What would you - say to me now, an I were your very very Rosalind? - -ORLANDO I would kiss before I spoke. - -ROSALIND Nay, you were better speak first, and when you were - gravelled for lack of matter, you might take - occasion to kiss. Very good orators, when they are - out, they will spit; and for lovers lacking--God - warn us!--matter, the cleanliest shift is to kiss. - -ORLANDO How if the kiss be denied? - -ROSALIND Then she puts you to entreaty, and there begins new matter. - -ORLANDO Who could be out, being before his beloved mistress? - -ROSALIND Marry, that should you, if I were your mistress, or - I should think my honesty ranker than my wit. - -ORLANDO What, of my suit? - -ROSALIND Not out of your apparel, and yet out of your suit. - Am not I your Rosalind? - -ORLANDO I take some joy to say you are, because I would be - talking of her. - -ROSALIND Well in her person I say I will not have you. - -ORLANDO Then in mine own person I die. - -ROSALIND No, faith, die by attorney. The poor world is - almost six thousand years old, and in all this time - there was not any man died in his own person, - videlicit, in a love-cause. Troilus had his brains - dashed out with a Grecian club; yet he did what he - could to die before, and he is one of the patterns - of love. Leander, he would have lived many a fair - year, though Hero had turned nun, if it had not been - for a hot midsummer night; for, good youth, he went - but forth to wash him in the Hellespont and being - taken with the cramp was drowned and the foolish - coroners of that age found it was 'Hero of Sestos.' - But these are all lies: men have died from time to - time and worms have eaten them, but not for love. - -ORLANDO I would not have my right Rosalind of this mind, - for, I protest, her frown might kill me. - -ROSALIND By this hand, it will not kill a fly. But come, now - I will be your Rosalind in a more coming-on - disposition, and ask me what you will. I will grant - it. - -ORLANDO Then love me, Rosalind. - -ROSALIND Yes, faith, will I, Fridays and Saturdays and all. - -ORLANDO And wilt thou have me? - -ROSALIND Ay, and twenty such. - -ORLANDO What sayest thou? - -ROSALIND Are you not good? - -ORLANDO I hope so. - -ROSALIND Why then, can one desire too much of a good thing? - Come, sister, you shall be the priest and marry us. - Give me your hand, Orlando. What do you say, sister? - -ORLANDO Pray thee, marry us. - -CELIA I cannot say the words. - -ROSALIND You must begin, 'Will you, Orlando--' - -CELIA Go to. Will you, Orlando, have to wife this Rosalind? - -ORLANDO I will. - -ROSALIND Ay, but when? - -ORLANDO Why now; as fast as she can marry us. - -ROSALIND Then you must say 'I take thee, Rosalind, for wife.' - -ORLANDO I take thee, Rosalind, for wife. - -ROSALIND I might ask you for your commission; but I do take - thee, Orlando, for my husband: there's a girl goes - before the priest; and certainly a woman's thought - runs before her actions. - -ORLANDO So do all thoughts; they are winged. - -ROSALIND Now tell me how long you would have her after you - have possessed her. - -ORLANDO For ever and a day. - -ROSALIND Say 'a day,' without the 'ever.' No, no, Orlando; - men are April when they woo, December when they wed: - maids are May when they are maids, but the sky - changes when they are wives. I will be more jealous - of thee than a Barbary cock-pigeon over his hen, - more clamorous than a parrot against rain, more - new-fangled than an ape, more giddy in my desires - than a monkey: I will weep for nothing, like Diana - in the fountain, and I will do that when you are - disposed to be merry; I will laugh like a hyen, and - that when thou art inclined to sleep. - -ORLANDO But will my Rosalind do so? - -ROSALIND By my life, she will do as I do. - -ORLANDO O, but she is wise. - -ROSALIND Or else she could not have the wit to do this: the - wiser, the waywarder: make the doors upon a woman's - wit and it will out at the casement; shut that and - 'twill out at the key-hole; stop that, 'twill fly - with the smoke out at the chimney. - -ORLANDO A man that had a wife with such a wit, he might say - 'Wit, whither wilt?' - -ROSALIND Nay, you might keep that cheque for it till you met - your wife's wit going to your neighbour's bed. - -ORLANDO And what wit could wit have to excuse that? - -ROSALIND Marry, to say she came to seek you there. You shall - never take her without her answer, unless you take - her without her tongue. O, that woman that cannot - make her fault her husband's occasion, let her - never nurse her child herself, for she will breed - it like a fool! - -ORLANDO For these two hours, Rosalind, I will leave thee. - -ROSALIND Alas! dear love, I cannot lack thee two hours. - -ORLANDO I must attend the duke at dinner: by two o'clock I - will be with thee again. - -ROSALIND Ay, go your ways, go your ways; I knew what you - would prove: my friends told me as much, and I - thought no less: that flattering tongue of yours - won me: 'tis but one cast away, and so, come, - death! Two o'clock is your hour? - -ORLANDO Ay, sweet Rosalind. - -ROSALIND By my troth, and in good earnest, and so God mend - me, and by all pretty oaths that are not dangerous, - if you break one jot of your promise or come one - minute behind your hour, I will think you the most - pathetical break-promise and the most hollow lover - and the most unworthy of her you call Rosalind that - may be chosen out of the gross band of the - unfaithful: therefore beware my censure and keep - your promise. - -ORLANDO With no less religion than if thou wert indeed my - Rosalind: so adieu. - -ROSALIND Well, Time is the old justice that examines all such - offenders, and let Time try: adieu. - - [Exit ORLANDO] - -CELIA You have simply misused our sex in your love-prate: - we must have your doublet and hose plucked over your - head, and show the world what the bird hath done to - her own nest. - -ROSALIND O coz, coz, coz, my pretty little coz, that thou - didst know how many fathom deep I am in love! But - it cannot be sounded: my affection hath an unknown - bottom, like the bay of Portugal. - -CELIA Or rather, bottomless, that as fast as you pour - affection in, it runs out. - -ROSALIND No, that same wicked bastard of Venus that was begot - of thought, conceived of spleen and born of madness, - that blind rascally boy that abuses every one's eyes - because his own are out, let him be judge how deep I - am in love. I'll tell thee, Aliena, I cannot be out - of the sight of Orlando: I'll go find a shadow and - sigh till he come. - -CELIA And I'll sleep. - - [Exeunt] - - - - - AS YOU LIKE IT - - -ACT IV - - - -SCENE II The forest. - - - [Enter JAQUES, Lords, and Foresters] - -JAQUES Which is he that killed the deer? - -A Lord Sir, it was I. - -JAQUES Let's present him to the duke, like a Roman - conqueror; and it would do well to set the deer's - horns upon his head, for a branch of victory. Have - you no song, forester, for this purpose? - -Forester Yes, sir. - -JAQUES Sing it: 'tis no matter how it be in tune, so it - make noise enough. - - SONG. -Forester What shall he have that kill'd the deer? - His leather skin and horns to wear. - Then sing him home; - - [The rest shall bear this burden] - - Take thou no scorn to wear the horn; - It was a crest ere thou wast born: - Thy father's father wore it, - And thy father bore it: - The horn, the horn, the lusty horn - Is not a thing to laugh to scorn. - - [Exeunt] - - - - - AS YOU LIKE IT - - -ACT IV - - - -SCENE III The forest. - - - [Enter ROSALIND and CELIA] - -ROSALIND How say you now? Is it not past two o'clock? and - here much Orlando! - -CELIA I warrant you, with pure love and troubled brain, he - hath ta'en his bow and arrows and is gone forth to - sleep. Look, who comes here. - - [Enter SILVIUS] - -SILVIUS My errand is to you, fair youth; - My gentle Phebe bid me give you this: - I know not the contents; but, as I guess - By the stern brow and waspish action - Which she did use as she was writing of it, - It bears an angry tenor: pardon me: - I am but as a guiltless messenger. - -ROSALIND Patience herself would startle at this letter - And play the swaggerer; bear this, bear all: - She says I am not fair, that I lack manners; - She calls me proud, and that she could not love me, - Were man as rare as phoenix. 'Od's my will! - Her love is not the hare that I do hunt: - Why writes she so to me? Well, shepherd, well, - This is a letter of your own device. - -SILVIUS No, I protest, I know not the contents: - Phebe did write it. - -ROSALIND Come, come, you are a fool - And turn'd into the extremity of love. - I saw her hand: she has a leathern hand. - A freestone-colour'd hand; I verily did think - That her old gloves were on, but 'twas her hands: - She has a huswife's hand; but that's no matter: - I say she never did invent this letter; - This is a man's invention and his hand. - -SILVIUS Sure, it is hers. - -ROSALIND Why, 'tis a boisterous and a cruel style. - A style for-challengers; why, she defies me, - Like Turk to Christian: women's gentle brain - Could not drop forth such giant-rude invention - Such Ethiope words, blacker in their effect - Than in their countenance. Will you hear the letter? - -SILVIUS So please you, for I never heard it yet; - Yet heard too much of Phebe's cruelty. - -ROSALIND She Phebes me: mark how the tyrant writes. - - [Reads] - - Art thou god to shepherd turn'd, - That a maiden's heart hath burn'd? - Can a woman rail thus? - -SILVIUS Call you this railing? - -ROSALIND [Reads] - - Why, thy godhead laid apart, - Warr'st thou with a woman's heart? - Did you ever hear such railing? - Whiles the eye of man did woo me, - That could do no vengeance to me. - Meaning me a beast. - If the scorn of your bright eyne - Have power to raise such love in mine, - Alack, in me what strange effect - Would they work in mild aspect! - Whiles you chid me, I did love; - How then might your prayers move! - He that brings this love to thee - Little knows this love in me: - And by him seal up thy mind; - Whether that thy youth and kind - Will the faithful offer take - Of me and all that I can make; - Or else by him my love deny, - And then I'll study how to die. - -SILVIUS Call you this chiding? - -CELIA Alas, poor shepherd! - -ROSALIND Do you pity him? no, he deserves no pity. Wilt - thou love such a woman? What, to make thee an - instrument and play false strains upon thee! not to - be endured! Well, go your way to her, for I see - love hath made thee a tame snake, and say this to - her: that if she love me, I charge her to love - thee; if she will not, I will never have her unless - thou entreat for her. If you be a true lover, - hence, and not a word; for here comes more company. - - [Exit SILVIUS] - - [Enter OLIVER] - -OLIVER Good morrow, fair ones: pray you, if you know, - Where in the purlieus of this forest stands - A sheep-cote fenced about with olive trees? - -CELIA West of this place, down in the neighbour bottom: - The rank of osiers by the murmuring stream - Left on your right hand brings you to the place. - But at this hour the house doth keep itself; - There's none within. - -OLIVER If that an eye may profit by a tongue, - Then should I know you by description; - Such garments and such years: 'The boy is fair, - Of female favour, and bestows himself - Like a ripe sister: the woman low - And browner than her brother.' Are not you - The owner of the house I did inquire for? - -CELIA It is no boast, being ask'd, to say we are. - -OLIVER Orlando doth commend him to you both, - And to that youth he calls his Rosalind - He sends this bloody napkin. Are you he? - -ROSALIND I am: what must we understand by this? - -OLIVER Some of my shame; if you will know of me - What man I am, and how, and why, and where - This handkercher was stain'd. - -CELIA I pray you, tell it. - -OLIVER When last the young Orlando parted from you - He left a promise to return again - Within an hour, and pacing through the forest, - Chewing the food of sweet and bitter fancy, - Lo, what befell! he threw his eye aside, - And mark what object did present itself: - Under an oak, whose boughs were moss'd with age - And high top bald with dry antiquity, - A wretched ragged man, o'ergrown with hair, - Lay sleeping on his back: about his neck - A green and gilded snake had wreathed itself, - Who with her head nimble in threats approach'd - The opening of his mouth; but suddenly, - Seeing Orlando, it unlink'd itself, - And with indented glides did slip away - Into a bush: under which bush's shade - A lioness, with udders all drawn dry, - Lay couching, head on ground, with catlike watch, - When that the sleeping man should stir; for 'tis - The royal disposition of that beast - To prey on nothing that doth seem as dead: - This seen, Orlando did approach the man - And found it was his brother, his elder brother. - -CELIA O, I have heard him speak of that same brother; - And he did render him the most unnatural - That lived amongst men. - -OLIVER And well he might so do, - For well I know he was unnatural. - -ROSALIND But, to Orlando: did he leave him there, - Food to the suck'd and hungry lioness? - -OLIVER Twice did he turn his back and purposed so; - But kindness, nobler ever than revenge, - And nature, stronger than his just occasion, - Made him give battle to the lioness, - Who quickly fell before him: in which hurtling - From miserable slumber I awaked. - -CELIA Are you his brother? - -ROSALIND Wast you he rescued? - -CELIA Was't you that did so oft contrive to kill him? - -OLIVER 'Twas I; but 'tis not I I do not shame - To tell you what I was, since my conversion - So sweetly tastes, being the thing I am. - -ROSALIND But, for the bloody napkin? - -OLIVER By and by. - When from the first to last betwixt us two - Tears our recountments had most kindly bathed, - As how I came into that desert place:-- - In brief, he led me to the gentle duke, - Who gave me fresh array and entertainment, - Committing me unto my brother's love; - Who led me instantly unto his cave, - There stripp'd himself, and here upon his arm - The lioness had torn some flesh away, - Which all this while had bled; and now he fainted - And cried, in fainting, upon Rosalind. - Brief, I recover'd him, bound up his wound; - And, after some small space, being strong at heart, - He sent me hither, stranger as I am, - To tell this story, that you might excuse - His broken promise, and to give this napkin - Dyed in his blood unto the shepherd youth - That he in sport doth call his Rosalind. - - [ROSALIND swoons] - -CELIA Why, how now, Ganymede! sweet Ganymede! - -OLIVER Many will swoon when they do look on blood. - -CELIA There is more in it. Cousin Ganymede! - -OLIVER Look, he recovers. - -ROSALIND I would I were at home. - -CELIA We'll lead you thither. - I pray you, will you take him by the arm? - -OLIVER Be of good cheer, youth: you a man! you lack a - man's heart. - -ROSALIND I do so, I confess it. Ah, sirrah, a body would - think this was well counterfeited! I pray you, tell - your brother how well I counterfeited. Heigh-ho! - -OLIVER This was not counterfeit: there is too great - testimony in your complexion that it was a passion - of earnest. - -ROSALIND Counterfeit, I assure you. - -OLIVER Well then, take a good heart and counterfeit to be a man. - -ROSALIND So I do: but, i' faith, I should have been a woman by right. - -CELIA Come, you look paler and paler: pray you, draw - homewards. Good sir, go with us. - -OLIVER That will I, for I must bear answer back - How you excuse my brother, Rosalind. - -ROSALIND I shall devise something: but, I pray you, commend - my counterfeiting to him. Will you go? - - [Exeunt] - - - - - AS YOU LIKE IT - - -ACT V - - - -SCENE I The forest. - - - [Enter TOUCHSTONE and AUDREY] - -TOUCHSTONE We shall find a time, Audrey; patience, gentle Audrey. - -AUDREY Faith, the priest was good enough, for all the old - gentleman's saying. - -TOUCHSTONE A most wicked Sir Oliver, Audrey, a most vile - Martext. But, Audrey, there is a youth here in the - forest lays claim to you. - -AUDREY Ay, I know who 'tis; he hath no interest in me in - the world: here comes the man you mean. - -TOUCHSTONE It is meat and drink to me to see a clown: by my - troth, we that have good wits have much to answer - for; we shall be flouting; we cannot hold. - - [Enter WILLIAM] - -WILLIAM Good even, Audrey. - -AUDREY God ye good even, William. - -WILLIAM And good even to you, sir. - -TOUCHSTONE Good even, gentle friend. Cover thy head, cover thy - head; nay, prithee, be covered. How old are you, friend? - -WILLIAM Five and twenty, sir. - -TOUCHSTONE A ripe age. Is thy name William? - -WILLIAM William, sir. - -TOUCHSTONE A fair name. Wast born i' the forest here? - -WILLIAM Ay, sir, I thank God. - -TOUCHSTONE 'Thank God;' a good answer. Art rich? - -WILLIAM Faith, sir, so so. - -TOUCHSTONE 'So so' is good, very good, very excellent good; and - yet it is not; it is but so so. Art thou wise? - -WILLIAM Ay, sir, I have a pretty wit. - -TOUCHSTONE Why, thou sayest well. I do now remember a saying, - 'The fool doth think he is wise, but the wise man - knows himself to be a fool.' The heathen - philosopher, when he had a desire to eat a grape, - would open his lips when he put it into his mouth; - meaning thereby that grapes were made to eat and - lips to open. You do love this maid? - -WILLIAM I do, sir. - -TOUCHSTONE Give me your hand. Art thou learned? - -WILLIAM No, sir. - -TOUCHSTONE Then learn this of me: to have, is to have; for it - is a figure in rhetoric that drink, being poured out - of a cup into a glass, by filling the one doth empty - the other; for all your writers do consent that ipse - is he: now, you are not ipse, for I am he. - -WILLIAM Which he, sir? - -TOUCHSTONE He, sir, that must marry this woman. Therefore, you - clown, abandon,--which is in the vulgar leave,--the - society,--which in the boorish is company,--of this - female,--which in the common is woman; which - together is, abandon the society of this female, or, - clown, thou perishest; or, to thy better - understanding, diest; or, to wit I kill thee, make - thee away, translate thy life into death, thy - liberty into bondage: I will deal in poison with - thee, or in bastinado, or in steel; I will bandy - with thee in faction; I will o'errun thee with - policy; I will kill thee a hundred and fifty ways: - therefore tremble and depart. - -AUDREY Do, good William. - -WILLIAM God rest you merry, sir. - - [Exit] - - [Enter CORIN] - -CORIN Our master and mistress seeks you; come, away, away! - -TOUCHSTONE Trip, Audrey! trip, Audrey! I attend, I attend. - - [Exeunt] - - - - - AS YOU LIKE IT - - -ACT V - - - -SCENE II The forest. - - - [Enter ORLANDO and OLIVER] - -ORLANDO Is't possible that on so little acquaintance you - should like her? that but seeing you should love - her? and loving woo? and, wooing, she should - grant? and will you persever to enjoy her? - -OLIVER Neither call the giddiness of it in question, the - poverty of her, the small acquaintance, my sudden - wooing, nor her sudden consenting; but say with me, - I love Aliena; say with her that she loves me; - consent with both that we may enjoy each other: it - shall be to your good; for my father's house and all - the revenue that was old Sir Rowland's will I - estate upon you, and here live and die a shepherd. - -ORLANDO You have my consent. Let your wedding be to-morrow: - thither will I invite the duke and all's contented - followers. Go you and prepare Aliena; for look - you, here comes my Rosalind. - - [Enter ROSALIND] - -ROSALIND God save you, brother. - -OLIVER And you, fair sister. - - [Exit] - -ROSALIND O, my dear Orlando, how it grieves me to see thee - wear thy heart in a scarf! - -ORLANDO It is my arm. - -ROSALIND I thought thy heart had been wounded with the claws - of a lion. - -ORLANDO Wounded it is, but with the eyes of a lady. - -ROSALIND Did your brother tell you how I counterfeited to - swoon when he showed me your handkerchief? - -ORLANDO Ay, and greater wonders than that. - -ROSALIND O, I know where you are: nay, 'tis true: there was - never any thing so sudden but the fight of two rams - and Caesar's thrasonical brag of 'I came, saw, and - overcame:' for your brother and my sister no sooner - met but they looked, no sooner looked but they - loved, no sooner loved but they sighed, no sooner - sighed but they asked one another the reason, no - sooner knew the reason but they sought the remedy; - and in these degrees have they made a pair of stairs - to marriage which they will climb incontinent, or - else be incontinent before marriage: they are in - the very wrath of love and they will together; clubs - cannot part them. - -ORLANDO They shall be married to-morrow, and I will bid the - duke to the nuptial. But, O, how bitter a thing it - is to look into happiness through another man's - eyes! By so much the more shall I to-morrow be at - the height of heart-heaviness, by how much I shall - think my brother happy in having what he wishes for. - -ROSALIND Why then, to-morrow I cannot serve your turn for Rosalind? - -ORLANDO I can live no longer by thinking. - -ROSALIND I will weary you then no longer with idle talking. - Know of me then, for now I speak to some purpose, - that I know you are a gentleman of good conceit: I - speak not this that you should bear a good opinion - of my knowledge, insomuch I say I know you are; - neither do I labour for a greater esteem than may in - some little measure draw a belief from you, to do - yourself good and not to grace me. Believe then, if - you please, that I can do strange things: I have, - since I was three year old, conversed with a - magician, most profound in his art and yet not - damnable. If you do love Rosalind so near the heart - as your gesture cries it out, when your brother - marries Aliena, shall you marry her: I know into - what straits of fortune she is driven; and it is - not impossible to me, if it appear not inconvenient - to you, to set her before your eyes tomorrow human - as she is and without any danger. - -ORLANDO Speakest thou in sober meanings? - -ROSALIND By my life, I do; which I tender dearly, though I - say I am a magician. Therefore, put you in your - best array: bid your friends; for if you will be - married to-morrow, you shall, and to Rosalind, if you will. - - [Enter SILVIUS and PHEBE] - - Look, here comes a lover of mine and a lover of hers. - -PHEBE Youth, you have done me much ungentleness, - To show the letter that I writ to you. - -ROSALIND I care not if I have: it is my study - To seem despiteful and ungentle to you: - You are there followed by a faithful shepherd; - Look upon him, love him; he worships you. - -PHEBE Good shepherd, tell this youth what 'tis to love. - -SILVIUS It is to be all made of sighs and tears; - And so am I for Phebe. - -PHEBE And I for Ganymede. - -ORLANDO And I for Rosalind. - -ROSALIND And I for no woman. - -SILVIUS It is to be all made of faith and service; - And so am I for Phebe. - -PHEBE And I for Ganymede. - -ORLANDO And I for Rosalind. - -ROSALIND And I for no woman. - -SILVIUS It is to be all made of fantasy, - All made of passion and all made of wishes, - All adoration, duty, and observance, - All humbleness, all patience and impatience, - All purity, all trial, all observance; - And so am I for Phebe. - -PHEBE And so am I for Ganymede. - -ORLANDO And so am I for Rosalind. - -ROSALIND And so am I for no woman. - -PHEBE If this be so, why blame you me to love you? - -SILVIUS If this be so, why blame you me to love you? - -ORLANDO If this be so, why blame you me to love you? - -ROSALIND Who do you speak to, 'Why blame you me to love you?' - -ORLANDO To her that is not here, nor doth not hear. - -ROSALIND Pray you, no more of this; 'tis like the howling - of Irish wolves against the moon. - - [To SILVIUS] - - I will help you, if I can: - - [To PHEBE] - - I would love you, if I could. To-morrow meet me all together. - - [To PHEBE] - - I will marry you, if ever I marry woman, and I'll be - married to-morrow: - - [To ORLANDO] - - I will satisfy you, if ever I satisfied man, and you - shall be married to-morrow: - - [To SILVIUS] - - I will content you, if what pleases you contents - you, and you shall be married to-morrow. - - [To ORLANDO] - - As you love Rosalind, meet: - - [To SILVIUS] - - as you love Phebe, meet: and as I love no woman, - I'll meet. So fare you well: I have left you commands. - -SILVIUS I'll not fail, if I live. - -PHEBE Nor I. - -ORLANDO Nor I. - - [Exeunt] - - - - - AS YOU LIKE IT - - -ACT V - - - -SCENE III The forest. - - - [Enter TOUCHSTONE and AUDREY] - -TOUCHSTONE To-morrow is the joyful day, Audrey; to-morrow will - we be married. - -AUDREY I do desire it with all my heart; and I hope it is - no dishonest desire to desire to be a woman of the - world. Here comes two of the banished duke's pages. - - [Enter two Pages] - -First Page Well met, honest gentleman. - -TOUCHSTONE By my troth, well met. Come, sit, sit, and a song. - -Second Page We are for you: sit i' the middle. - -First Page Shall we clap into't roundly, without hawking or - spitting or saying we are hoarse, which are the only - prologues to a bad voice? - -Second Page I'faith, i'faith; and both in a tune, like two - gipsies on a horse. - - SONG. - It was a lover and his lass, - With a hey, and a ho, and a hey nonino, - That o'er the green corn-field did pass - In the spring time, the only pretty ring time, - When birds do sing, hey ding a ding, ding: - Sweet lovers love the spring. - - Between the acres of the rye, - With a hey, and a ho, and a hey nonino - These pretty country folks would lie, - In spring time, &c. - - This carol they began that hour, - With a hey, and a ho, and a hey nonino, - How that a life was but a flower - In spring time, &c. - - And therefore take the present time, - With a hey, and a ho, and a hey nonino; - For love is crowned with the prime - In spring time, &c. - -TOUCHSTONE Truly, young gentlemen, though there was no great - matter in the ditty, yet the note was very - untuneable. - -First Page You are deceived, sir: we kept time, we lost not our time. - -TOUCHSTONE By my troth, yes; I count it but time lost to hear - such a foolish song. God be wi' you; and God mend - your voices! Come, Audrey. - - [Exeunt] - - - - - AS YOU LIKE IT - - -ACT V - - - -SCENE IV The forest. - - - [Enter DUKE SENIOR, AMIENS, JAQUES, ORLANDO, OLIVER, - and CELIA] - -DUKE SENIOR Dost thou believe, Orlando, that the boy - Can do all this that he hath promised? - -ORLANDO I sometimes do believe, and sometimes do not; - As those that fear they hope, and know they fear. - - [Enter ROSALIND, SILVIUS, and PHEBE] - -ROSALIND Patience once more, whiles our compact is urged: - You say, if I bring in your Rosalind, - You will bestow her on Orlando here? - -DUKE SENIOR That would I, had I kingdoms to give with her. - -ROSALIND And you say, you will have her, when I bring her? - -ORLANDO That would I, were I of all kingdoms king. - -ROSALIND You say, you'll marry me, if I be willing? - -PHEBE That will I, should I die the hour after. - -ROSALIND But if you do refuse to marry me, - You'll give yourself to this most faithful shepherd? - -PHEBE So is the bargain. - -ROSALIND You say, that you'll have Phebe, if she will? - -SILVIUS Though to have her and death were both one thing. - -ROSALIND I have promised to make all this matter even. - Keep you your word, O duke, to give your daughter; - You yours, Orlando, to receive his daughter: - Keep your word, Phebe, that you'll marry me, - Or else refusing me, to wed this shepherd: - Keep your word, Silvius, that you'll marry her. - If she refuse me: and from hence I go, - To make these doubts all even. - - [Exeunt ROSALIND and CELIA] - -DUKE SENIOR I do remember in this shepherd boy - Some lively touches of my daughter's favour. - -ORLANDO My lord, the first time that I ever saw him - Methought he was a brother to your daughter: - But, my good lord, this boy is forest-born, - And hath been tutor'd in the rudiments - Of many desperate studies by his uncle, - Whom he reports to be a great magician, - Obscured in the circle of this forest. - - [Enter TOUCHSTONE and AUDREY] - -JAQUES There is, sure, another flood toward, and these - couples are coming to the ark. Here comes a pair of - very strange beasts, which in all tongues are called fools. - -TOUCHSTONE Salutation and greeting to you all! - -JAQUES Good my lord, bid him welcome: this is the - motley-minded gentleman that I have so often met in - the forest: he hath been a courtier, he swears. - -TOUCHSTONE If any man doubt that, let him put me to my - purgation. I have trod a measure; I have flattered - a lady; I have been politic with my friend, smooth - with mine enemy; I have undone three tailors; I have - had four quarrels, and like to have fought one. - -JAQUES And how was that ta'en up? - -TOUCHSTONE Faith, we met, and found the quarrel was upon the - seventh cause. - -JAQUES How seventh cause? Good my lord, like this fellow. - -DUKE SENIOR I like him very well. - -TOUCHSTONE God 'ild you, sir; I desire you of the like. I - press in here, sir, amongst the rest of the country - copulatives, to swear and to forswear: according as - marriage binds and blood breaks: a poor virgin, - sir, an ill-favoured thing, sir, but mine own; a poor - humour of mine, sir, to take that that no man else - will: rich honesty dwells like a miser, sir, in a - poor house; as your pearl in your foul oyster. - -DUKE SENIOR By my faith, he is very swift and sententious. - -TOUCHSTONE According to the fool's bolt, sir, and such dulcet diseases. - -JAQUES But, for the seventh cause; how did you find the - quarrel on the seventh cause? - -TOUCHSTONE Upon a lie seven times removed:--bear your body more - seeming, Audrey:--as thus, sir. I did dislike the - cut of a certain courtier's beard: he sent me word, - if I said his beard was not cut well, he was in the - mind it was: this is called the Retort Courteous. - If I sent him word again 'it was not well cut,' he - would send me word, he cut it to please himself: - this is called the Quip Modest. If again 'it was - not well cut,' he disabled my judgment: this is - called the Reply Churlish. If again 'it was not - well cut,' he would answer, I spake not true: this - is called the Reproof Valiant. If again 'it was not - well cut,' he would say I lied: this is called the - Counter-cheque Quarrelsome: and so to the Lie - Circumstantial and the Lie Direct. - -JAQUES And how oft did you say his beard was not well cut? - -TOUCHSTONE I durst go no further than the Lie Circumstantial, - nor he durst not give me the Lie Direct; and so we - measured swords and parted. - -JAQUES Can you nominate in order now the degrees of the lie? - -TOUCHSTONE O sir, we quarrel in print, by the book; as you have - books for good manners: I will name you the degrees. - The first, the Retort Courteous; the second, the - Quip Modest; the third, the Reply Churlish; the - fourth, the Reproof Valiant; the fifth, the - Countercheque Quarrelsome; the sixth, the Lie with - Circumstance; the seventh, the Lie Direct. All - these you may avoid but the Lie Direct; and you may - avoid that too, with an If. I knew when seven - justices could not take up a quarrel, but when the - parties were met themselves, one of them thought but - of an If, as, 'If you said so, then I said so;' and - they shook hands and swore brothers. Your If is the - only peacemaker; much virtue in If. - -JAQUES Is not this a rare fellow, my lord? he's as good at - any thing and yet a fool. - -DUKE SENIOR He uses his folly like a stalking-horse and under - the presentation of that he shoots his wit. - - [Enter HYMEN, ROSALIND, and CELIA] - - [Still Music] - -HYMEN Then is there mirth in heaven, - When earthly things made even - Atone together. - Good duke, receive thy daughter - Hymen from heaven brought her, - Yea, brought her hither, - That thou mightst join her hand with his - Whose heart within his bosom is. - -ROSALIND [To DUKE SENIOR] To you I give myself, for I am yours. - - [To ORLANDO] - - To you I give myself, for I am yours. - -DUKE SENIOR If there be truth in sight, you are my daughter. - -ORLANDO If there be truth in sight, you are my Rosalind. - -PHEBE If sight and shape be true, - Why then, my love adieu! - -ROSALIND I'll have no father, if you be not he: - I'll have no husband, if you be not he: - Nor ne'er wed woman, if you be not she. - -HYMEN Peace, ho! I bar confusion: - 'Tis I must make conclusion - Of these most strange events: - Here's eight that must take hands - To join in Hymen's bands, - If truth holds true contents. - You and you no cross shall part: - You and you are heart in heart - You to his love must accord, - Or have a woman to your lord: - You and you are sure together, - As the winter to foul weather. - Whiles a wedlock-hymn we sing, - Feed yourselves with questioning; - That reason wonder may diminish, - How thus we met, and these things finish. - - SONG. - Wedding is great Juno's crown: - O blessed bond of board and bed! - 'Tis Hymen peoples every town; - High wedlock then be honoured: - Honour, high honour and renown, - To Hymen, god of every town! - -DUKE SENIOR O my dear niece, welcome thou art to me! - Even daughter, welcome, in no less degree. - -PHEBE I will not eat my word, now thou art mine; - Thy faith my fancy to thee doth combine. - - [Enter JAQUES DE BOYS] - -JAQUES DE BOYS Let me have audience for a word or two: - I am the second son of old Sir Rowland, - That bring these tidings to this fair assembly. - Duke Frederick, hearing how that every day - Men of great worth resorted to this forest, - Address'd a mighty power; which were on foot, - In his own conduct, purposely to take - His brother here and put him to the sword: - And to the skirts of this wild wood he came; - Where meeting with an old religious man, - After some question with him, was converted - Both from his enterprise and from the world, - His crown bequeathing to his banish'd brother, - And all their lands restored to them again - That were with him exiled. This to be true, - I do engage my life. - -DUKE SENIOR Welcome, young man; - Thou offer'st fairly to thy brothers' wedding: - To one his lands withheld, and to the other - A land itself at large, a potent dukedom. - First, in this forest, let us do those ends - That here were well begun and well begot: - And after, every of this happy number - That have endured shrewd days and nights with us - Shall share the good of our returned fortune, - According to the measure of their states. - Meantime, forget this new-fall'n dignity - And fall into our rustic revelry. - Play, music! And you, brides and bridegrooms all, - With measure heap'd in joy, to the measures fall. - -JAQUES Sir, by your patience. If I heard you rightly, - The duke hath put on a religious life - And thrown into neglect the pompous court? - -JAQUES DE BOYS He hath. - -JAQUES To him will I : out of these convertites - There is much matter to be heard and learn'd. - - [To DUKE SENIOR] - - You to your former honour I bequeath; - Your patience and your virtue well deserves it: - - [To ORLANDO] - - You to a love that your true faith doth merit: - - [To OLIVER] - - You to your land and love and great allies: - - [To SILVIUS] - - You to a long and well-deserved bed: - - [To TOUCHSTONE] - - And you to wrangling; for thy loving voyage - Is but for two months victuall'd. So, to your pleasures: - I am for other than for dancing measures. - -DUKE SENIOR Stay, Jaques, stay. - -JAQUES To see no pastime I what you would have - I'll stay to know at your abandon'd cave. - - [Exit] - -DUKE SENIOR Proceed, proceed: we will begin these rites, - As we do trust they'll end, in true delights. - - [A dance] - - - - - AS YOU LIKE IT - - EPILOGUE - - -ROSALIND It is not the fashion to see the lady the epilogue; - but it is no more unhandsome than to see the lord - the prologue. If it be true that good wine needs - no bush, 'tis true that a good play needs no - epilogue; yet to good wine they do use good bushes, - and good plays prove the better by the help of good - epilogues. What a case am I in then, that am - neither a good epilogue nor cannot insinuate with - you in the behalf of a good play! I am not - furnished like a beggar, therefore to beg will not - become me: my way is to conjure you; and I'll begin - with the women. I charge you, O women, for the love - you bear to men, to like as much of this play as - please you: and I charge you, O men, for the love - you bear to women--as I perceive by your simpering, - none of you hates them--that between you and the - women the play may please. If I were a woman I - would kiss as many of you as had beards that pleased - me, complexions that liked me and breaths that I - defied not: and, I am sure, as many as have good - beards or good faces or sweet breaths will, for my - kind offer, when I make curtsy, bid me farewell. - - [Exeunt] diff --git a/deps/snappy-1.0.5/testdata/baddata1.snappy b/deps/snappy-1.0.5/testdata/baddata1.snappy deleted file mode 100644 index 99d970f..0000000 Binary files a/deps/snappy-1.0.5/testdata/baddata1.snappy and /dev/null differ diff --git a/deps/snappy-1.0.5/testdata/baddata2.snappy b/deps/snappy-1.0.5/testdata/baddata2.snappy deleted file mode 100644 index 8f5cb13..0000000 Binary files a/deps/snappy-1.0.5/testdata/baddata2.snappy and /dev/null differ diff --git a/deps/snappy-1.0.5/testdata/baddata3.snappy b/deps/snappy-1.0.5/testdata/baddata3.snappy deleted file mode 100644 index 774aead..0000000 Binary files a/deps/snappy-1.0.5/testdata/baddata3.snappy and /dev/null differ diff --git a/deps/snappy-1.0.5/testdata/cp.html b/deps/snappy-1.0.5/testdata/cp.html deleted file mode 100644 index 1d0ca37..0000000 --- a/deps/snappy-1.0.5/testdata/cp.html +++ /dev/null @@ -1,645 +0,0 @@ - -Compression Pointers - - - - - -
-

Compression Pointers

- - - -
- -

-Compression resources, conferences, and some research -groups and companies, are listed towards the end of this page.

- -Use this handy form to add something to this page, or to simply say you liked this page -

- - - - - -

- -

What's New?

- - -Jean-loup Gailly -- Mr. gzip, -PNG, CCR (1996-06-10) - -
- -MPEG Pointers and Resources - -
- -Robert M. Gray -- Signal -compression, VQ, image quality evaluation (1996-04-22) -
- -Compression and -Classification Group -- ISL,EE,Stanford (1996-04-22) -
- -Signal Processing -and the International Information Infrastructure -- Web sites (1996-04-22) -
- -Valenta, Vladimir -- (1996-04-22) -
- - -Jordan, Frederic -- Parallel Image Compression (1996-04-12) -
-Electro-Optical Technologies, Inc. -- Consultant (1996-04-12) -
-quicktime.apple.com -- Quicktime site (1996-03-11) -
-IBM Hardware -- Compression chips (1996-03-11) -
- - - - - - - - - - - - - - - - - - - - - - - - -

- - -

- - -

People

-

A

- -Adler, Mark -- Info-ZIP; Zip, UnZip, gzip and zlib co-author; PNG group -

- -

B

- -Baker, Matthew -- Region based video compression -

-Bamberger, Roberto H. -

-Bell, Daniel -- Region based image compression -

-Bell, Tim -- compression, computer science for children, and computers and music. -

-Bellard, Fabrice -- Author of LZEXE -

-Berghorn, Willy -

-Bhaskaran, Vasudev -- Image and Video compression -

-Bloom, Charles -- text compression, LZ methods, PPM methods... -

-Brito, Roger -- Arithmetic Coding, LZW, Text Compression -

-Budge, Scott E. -- medical/lossy image compression -

-Burnett, Ian -- Speech coding, prototype waveform techniques -

- - -

C

- -Chan, Christopher -- universal lossy source coding, adaptive VQ -

-Chao, Hong-yang -- Lightning strike image compressor -

-Chao, Stewart -

-Cherriman, Peter -

-Cheung, S.C. -- Scalable video compression algorithms (18th Feb 1996) -

- -Christopoulos, Charilaos -- Image and Video compression -

-Chrysafis, Christos -

-Chung, Wilson C. -- R-D image and video coding, subband/wavelet, filter banks -

-Clark, Alan -- primary contact for V.42bis. Developed BTLZ variant of LZW -

-Cleary, John -- PPM, PPM*, K* -

-Cohn, Martin -

- -Cormack, Gordon V. -- DMC -

-Cramer, Chris -- neural network image compression -

- -

D

-Danskin, John -- Protocol compression, document compression (9th Feb 1996) -

-Davis, Geoff -- wavelets, image compression, medical -

-Dilger, Andreas -- fractal block coding of video sequences -

- - -

E

-Estes, Robert -

- - - -

F

-Fisher, Yuval -- Fractal Image Compression -

-Ford, Adrian -- Subjective and Objective Compression quality (5th Mar 1996) -

- -

G

-Jean-loup Gailly -- -Mr. gzip, PNG, CCR (1996-06-10) -

- -Gersho, Allen -- Vector Quantisation, Image Compression -

-Goertzel, Ben -

-Gooch, Mark -- High Performance Hardware Compression (7th Feb 1996) -

-Goyal, Vivek -- overcomplete representations, adaptive transform coding, VQ -

-Robert M. Gray -- Signal -compression, VQ, image quality evaluation -

- -

H

-Hafner, Ullrich -- WFA image compression -

-Hirschberg, Dan -- algorithm theory, compression -

-Holland, Scott -

-Horspool, R. Nigel -- text compression, ECG compression - -

I

-Inglis, Stuart -- image compression, OCR, lossy/lossless document compression -

- -

J

-Jones, Douglas -- splay-tree based compression and encryption -

-Jones, Simon -- Lossless compression, High Performance Hardware (7th Feb 1996) -

-Jordan, Frederic -- Parallel Image Compression (12th April 1996) -

-Jung, Robert K. -- ARJ -

-jutta -

- - - -

K

-Kominek, John -- Fractal and spline based compression -

-Kjelso, Morten -- Main memory compression, High performance hardware -

-Kuhn, Markus -- JBIG implementation -

-Kuo, C.-C. Jay -

-Kuru, Esa -

-Kyfonidis, Theodoros -

- -

L

-Lamparter, Bernd -

-Langdon, Glen -

-Larsson, Jesper -- algorithms and data structures, text compression -

- - -

M

-Manber, Udi -

-Mangen, Jean-Michel -- image compression, wavelets, satellite -

-Moffat, Alistair -- text and index compression, coding methods, information retrieval, document databases -

-Montgomery, Christopher -- OggSquish, audio compression -

-Mueller, Urban Dominik -- XPK system -

-

N

-Neal, Radford -

-Nevill-Manning, Craig -

-Nicholls, Jeremy -

-Noah, Matt -- speech, ATC, ACELP and IMBE -

-Nuri, Veyis -- wavelets, data compression, DSP (speech & image) - -

O

-Oleg -- Lots of code -

-Ortega, Antonio -- Video compression, Packet video, Adaptive quantization -

-Owen, Charles -

- -

P

-Provine, -Joseph -- Model based coding -

- -

R

-Robinson, John -- Binary Tree Predictive Coding -

-Roelofs, Greg -- Info-ZIP; primary UnZip author; PNG group -

-Rose, Kenneth -

-Russo, Roberto Maria -- Multiplatform Data Compression -

- -

S

-Schmidt, Bill -

-Shaw, Sandy C. -

-Sharifi, Kamran -- Video over ATM networks -

-Shende, Sunil M. -

-Silverstein, D. Amnon -

-Smoot, Steve -- MPEG -

-Storer, James A. -

-Streit, Jurgen -- Low bitrate coding -

-Strutz, Tilo -- Wavelet image compressor, demonstration execs -

- - -

T

-Tate, Steve -

-Teahan, Bill -- PPM, PPM*, master of the Calgary Corpus -

-Thomson, Duncan -- ECG compression with ANNs -

-Tilton, James C. -

-Tomczyk, Marek -

-Turpin, Andrew -- Prefix Codes -

- -

V

-Vetterli, Martin -- wavelets, subband coding, video compression, computational complexity -

-Vitter, Jeff -

-Voukelatos, Stathis -

-de Vries, Nico -- AIP-NL, UltraCompressor II development -

- -

W

- -Wareham, Paul -- Region-oriented video coding -

-Wegener, Al -- DSP, lossless audio compression and AC-2 -

-Wei, Dong -- Wavelet compression -

-Williams, Ross -

-Witten, Ian -- PPM, mg, arithmetic coding -

-Wolff, Gerry -

-Woo, Woon-Tack -- stereo image and video compression (12th Feb 1996) -

-Wu, Xiaolin -- CALIC -

- - -

Z

-Zobel, Justin -- index compression, database compression -

- -
-
- - - - -

Conferences

-Data Compression Conference (DCC), Snowbird, Utah, USA.
-

- - - -

Resources

-
-Where to get answers... -
-
International Telecommunication Union (ITU) -- standards documents (CCITT) -
-
comp.compression -- Frequently Asked Questions -- Come here 1st! -
-JPEG - Frequently Asked Questions -
-MPEG - Frequently Asked Questions -
-Standards - Frequenty Asked Questions -
-usenet newsgroup: comp.compression.research -
-
-Archive Compression Test -- Summary of all archivers -
-
-Fractal compression bibliography -- bibtex file -
-
-LZ/Complexity Seminars -- (in German) -
-
-Comparitive Compression Ratios -- Sofar...B&W, Gray Scale, Text Compression -
-
-VCN (Video, Compression, Networking) -Glossary -
-
-Digital Library -- search for compression -
- - -
-
-Reports/Ph.D. Theses -
-Paul Howards Ph.D. thesis
-
The Design and Analysis of Efficient Lossless Data Compression Systems -
- - - - -
-
-Source code -
-Arithmetic coding routines -
        (from Moffat, Neal and Witten, Proc. DCC, April 1995) -
-
-CACM Arithmetic coding package -
        (Witten, Neal and Cleary, CACM 30:520-541, June 1987) -
-
-JBIG Source code Includes a Q-coder -
-
Markus Kuhn's JBIG implementation -
-
-k-arithmetic coder -
-
-Lossless Data Compression toolkit 1.1 -
-
-Splay Trees Code -- by Douglas W. Jones -
-
Block compression code -- Excellent text compressor -
- - - -
-
-Test Files -
-Test Images -- CCITT images (pbm), Lena etc. (Sun raster) -
-
-Stockholm test images -- You have to buy a CDROM, thats all I know! :-( -
         mail me at singlis@cs.waikato.ac.nz if you know anything about them. -
-
-Calgary Text Compression Corpus (Text Compression, Bell, Cleary and Witten, 1990) -
- - -
- - - - -

Research Projects, Standards & Companies

- -

-

-Research/Free software Groups -
Compression and -Classification Group -- ISL,EE,Stanford (22th April 1996) - -
Voice email -- Lossless audio compression (18th Feb 1996) - - -
Electro-Optical Technologies, Inc. -- Consultant (12th April 1996) - -
quicktime.apple.com -- Quicktime site (11th Mar 1996) - -
IMAGE etc. -- Commercial image compression software (Fractals/Wavelets) (29th Feb 1996) - -
NCAR CCM Compression and Visualisation -- (18th Feb 1996) -
-
SPIHT -- Wavelet Natural Image Compressor (12th Feb 1996) -
-
Real-Time Lossless Compression Systems -- Loughborough University -
-
Web site for Multirate Signal Processing -- University of Wisconsin, Madison -
-
Info-ZIP -- free, -portable Zip and UnZip utilities -
-
CEDIS -- NASA, Maryland, Image/data compression -
-
CIC-3 Image Compression -- FBI Fingerprints -
-
Signal Compression Lab at UCSB -
-
University of -Washington compression lab -- VQ, Wavelets, Shlomo -
- - - -

-

-Snippets -
Signal Processing -and the International Information Infrastructure -- Web sites (22th April 1996) -
Increasing Web bandwith -- comparing GIF, JPEG, Fractal compression -
-
Fractal Links on Yahoo -
-
Digital Speech Compression GSM 06.10 RPE-LTP -- DDJ -
-
CREW -- Continuous tone loss(y/less) wavelet compression -
-
CALIC -- Context-based adaptive lossless image compressor -
-
Berkeley MPEG -- MPEG tools -
-
MPEG Pointers and Resources -
- - - - - - -

-

-Wavelets -
- - EPIC (Efficient Pyramid Image Coder) -- by Eero Simoncelli -
-
-Tucker, Michael -- FASTWAVE, audio/image compression -
-
-HARC -- Lossy Wavelet Compression technology -
-
-UC Berkeley Wavelet Group -
-
-Khoros Wavetlet and Compression Toolbox -
-
-The Wavelet Digest -
-
-Rice DSP Publications Archive -- Wavelets, Time Frequency/Scale -
- - -

-

-Fractals -
-Fractal Image Compression -- Software, Pointers, Conferences -
-
-Fractal Design Corporation -
-
-New Fractal Image Compression program -
- - -

-

-Companies -
IBM Hardware -- Compression chips (11th Mar 1996) - -
Summus Wavelet Technology -- Wavelet image and video compressors (11th Mar 1996) -
Fractal Image Compression -- Mitsubishi (18th Feb 1996) - -
Terran Interactive -- Video compression for the Mac (1st Feb 1996) -
- -
DV Mpeg -- Windows drivers (18th Feb 1996) -
- -
Crawford Compression Services -- MPEG post-production (18th Feb 1996) -
- -
Intelligent Compression Technologies (18th Feb 1996) -
- -
Pegasus Imaging -- Compression software/dev. kits (12th Feb 1996) -
-
Aladdin Systems -- StuffIt compression products -
-
Stac Electronics -
-
DCP Research -- Hardware solutions -
-
Aware Inc. -- Specialised compression company -
-
IVS - INRIA Videoconferencing System -
-
Telvox Teleinformatica -- Multiplatform Data Compressor -
-
Compression Technologies, -Inc -- Canada -
-
Optivision -- MPEG -
-
PKWARE -- Makers of PKZIP -
-
Multimedia Imaging Services -
- - -

-

-Audio compression -
Fraunhofer Institut fr Integrierte Schaltungen -
-
Shorten -
-
digital speech compression -
-
Audio compression references -
-
SpeakFreely - compression -
-
SpeakFreely - Contents -
diff --git a/deps/snappy-1.0.5/testdata/fields.c b/deps/snappy-1.0.5/testdata/fields.c deleted file mode 100644 index 63cdc03..0000000 --- a/deps/snappy-1.0.5/testdata/fields.c +++ /dev/null @@ -1,431 +0,0 @@ -#ifndef lint -static char Rcs_Id[] = - "$Id: fields.c,v 1.7 1994/01/06 05:26:37 geoff Exp $"; -#endif - -/* - * $Log: fields.c,v $ - * Revision 1.7 1994/01/06 05:26:37 geoff - * Get rid of all references to System V string routines, for portability - * (sigh). - * - * Revision 1.6 1994/01/05 20:13:43 geoff - * Add the maxf parameter - * - * Revision 1.5 1994/01/04 02:40:21 geoff - * Make the increments settable (field_line_inc and field_field_inc). - * Add support for the FLD_NOSHRINK flag. - * - * Revision 1.4 1993/09/27 17:48:02 geoff - * Fix some lint complaints and some parenthesization errors. - * - * Revision 1.3 1993/09/09 01:11:11 geoff - * Add a return value to fieldwrite. Add support for backquotes and for - * unstripped backslashes. - * - * Revision 1.2 1993/08/26 00:02:50 geoff - * Fix a stupid null-pointer bug - * - * Revision 1.1 1993/08/25 21:32:05 geoff - * Initial revision - * - */ - -#include -#include "config.h" -#include "fields.h" - -field_t * fieldread P ((FILE * file, char * delims, - int flags, int maxf)); - /* Read a line with fields from a file */ -field_t * fieldmake P ((char * line, int allocated, char * delims, - int flags, int maxf)); - /* Make a field structure from a line */ -static field_t * fieldparse P ((field_t * fieldp, char * line, char * delims, - int flags, int maxf)); - /* Parse the fields in a line */ -static int fieldbackch P ((char * str, char ** out, int strip)); - /* Process backslash sequences */ -int fieldwrite P ((FILE * file, field_t * fieldp, int delim)); - /* Write a line with fields to a file */ -void fieldfree P ((field_t * fieldp)); - /* Free a field returned by fieldread */ - -unsigned int field_field_inc = 20; /* Increment to increase # fields by */ -unsigned int field_line_inc = 512; /* Incr to increase line length by */ - -#ifndef USG -#define strchr index -#endif /* USG */ - -extern void free (); -extern char * malloc (); -extern char * realloc (); -extern char * strchr (); -extern int strlen (); - -/* - * Read one line of the given file into a buffer, break it up into - * fields, and return them to the caller. The field_t structure - * returned must eventually be freed with fieldfree. - */ -field_t * fieldread (file, delims, flags, maxf) - FILE * file; /* File to read lines from */ - char * delims; /* Characters to use for field delimiters */ - int flags; /* Option flags; see fields.h */ - int maxf; /* Maximum number of fields to parse */ - { - register char * linebuf; /* Buffer to hold the line read in */ - int linemax; /* Maximum line buffer size */ - int linesize; /* Current line buffer size */ - - linebuf = (char *) malloc (field_line_inc); - if (linebuf == NULL) - return NULL; - linemax = field_line_inc; - linesize = 0; - /* - * Read in the line. - */ - while (fgets (&linebuf[linesize], linemax - linesize, file) - != NULL) - { - linesize += strlen (&linebuf[linesize]); - if (linebuf[linesize - 1] == '\n') - break; - else - { - linemax += field_line_inc; - linebuf = (char *) realloc (linebuf, linemax); - if (linebuf == NULL) - return NULL; - } - } - if (linesize == 0) - { - free (linebuf); - return NULL; - } - return fieldmake (linebuf, 1, delims, flags, maxf); - } - -field_t * fieldmake (line, allocated, delims, flags, maxf) - char * line; /* Line to make into a field structure */ - int allocated; /* NZ if line allocated with malloc */ - char * delims; /* Characters to use for field delimiters */ - int flags; /* Option flags; see fields.h */ - int maxf; /* Maximum number of fields to parse */ - { - register field_t * fieldp; /* Structure describing the fields */ - int linesize; /* Current line buffer size */ - - fieldp = (field_t *) malloc (sizeof (field_t)); - if (fieldp == NULL) - return NULL; - fieldp->nfields = 0; - fieldp->linebuf = allocated ? line : NULL; - fieldp->fields = NULL; - fieldp->hadnl = 0; - linesize = strlen (line); - if (line[linesize - 1] == '\n') - { - line[--linesize] = '\0'; - fieldp->hadnl = 1; - } - /* - * Shrink the line buffer if necessary. - */ - if (allocated && (flags & FLD_NOSHRINK) == 0) - { - line = fieldp->linebuf = - (char *) realloc (fieldp->linebuf, linesize + 1); - if (fieldp->linebuf == NULL) - { - fieldfree (fieldp); - return NULL; - } - } - return fieldparse (fieldp, line, delims, flags, maxf); - } - -static field_t * fieldparse (fieldp, line, delims, flags, maxf) - register field_t * fieldp; /* Field structure to parse into */ - register char * line; /* Line to be parsed */ - char * delims; /* Characters to use for field delimiters */ - int flags; /* Option flags; see fields.h */ - int maxf; /* Maximum number of fields to parse */ - { - int fieldmax; /* Max size of fields array */ - char * lineout; /* Where to store xlated char in line */ - char quote; /* Quote character in use */ - - fieldp->nfields = 0; - fieldmax = - (maxf != 0 && maxf < field_field_inc) ? maxf + 2 : field_field_inc; - fieldp->fields = (char **) malloc (fieldmax * sizeof (char *)); - if (fieldp->fields == NULL) - { - fieldfree (fieldp); - return NULL; - } - if ((flags - & (FLD_SHQUOTES | FLD_SNGLQUOTES | FLD_BACKQUOTES | FLD_DBLQUOTES)) - == FLD_SHQUOTES) - flags |= FLD_SNGLQUOTES | FLD_BACKQUOTES | FLD_DBLQUOTES; - while (1) - { - if (flags & FLD_RUNS) - { - while (*line != '\0' && strchr (delims, *line) != NULL) - line++; /* Skip runs of delimiters */ - if (*line == '\0') - break; - } - fieldp->fields[fieldp->nfields] = lineout = line; - /* - * Skip to the next delimiter. At the end of skipping, "line" will - * point to either a delimiter or a null byte. - */ - if (flags - & (FLD_SHQUOTES | FLD_SNGLQUOTES | FLD_BACKQUOTES - | FLD_DBLQUOTES | FLD_BACKSLASH)) - { - while (*line != '\0') - { - if (strchr (delims, *line) != NULL) - break; - else if (((flags & FLD_SNGLQUOTES) && *line == '\'') - || ((flags & FLD_BACKQUOTES) && *line == '`') - || ((flags & FLD_DBLQUOTES) && *line == '"')) - { - if ((flags & FLD_SHQUOTES) == 0 - && line != fieldp->fields[fieldp->nfields]) - quote = '\0'; - else - quote = *line; - } - else - quote = '\0'; - if (quote == '\0') - { - if (*line == '\\' && (flags & FLD_BACKSLASH)) - { - line++; - if (*line == '\0') - break; - line += fieldbackch (line, &lineout, - flags & FLD_STRIPQUOTES); - } - else - *lineout++ = *line++; - } - else - { - /* Process quoted string */ - if ((flags & FLD_STRIPQUOTES) == 0) - *lineout++ = quote; - ++line; - while (*line != '\0') - { - if (*line == quote) - { - if ((flags & FLD_STRIPQUOTES) == 0) - *lineout++ = quote; - line++; /* Go on past quote */ - if ((flags & FLD_SHQUOTES) == 0) - { - while (*line != '\0' - && strchr (delims, *line) == NULL) - line++; /* Skip to delimiter */ - } - break; - } - else if (*line == '\\') - { - if (flags & FLD_BACKSLASH) - { - line++; - if (*line == '\0') - break; - else - line += fieldbackch (line, &lineout, - flags & FLD_STRIPQUOTES); - } - else - { - *lineout++ = '\\'; - if (*++line == '\0') - break; - *lineout++ = *line; - } - } - else - *lineout++ = *line++; - } - } - } - } - else - { - while (*line != '\0' && strchr (delims, *line) == NULL) - line++; /* Skip to delimiter */ - lineout = line; - } - fieldp->nfields++; - if (*line++ == '\0') - break; - if (maxf != 0 && fieldp->nfields > maxf) - break; - *lineout = '\0'; - if (fieldp->nfields >= fieldmax) - { - fieldmax += field_field_inc; - fieldp->fields = - (char **) realloc (fieldp->fields, fieldmax * sizeof (char *)); - if (fieldp->fields == NULL) - { - fieldfree (fieldp); - return NULL; - } - } - } - /* - * Shrink the field pointers and return the field structure. - */ - if ((flags & FLD_NOSHRINK) == 0 && fieldp->nfields >= fieldmax) - { - fieldp->fields = (char **) realloc (fieldp->fields, - (fieldp->nfields + 1) * sizeof (char *)); - if (fieldp->fields == NULL) - { - fieldfree (fieldp); - return NULL; - } - } - fieldp->fields[fieldp->nfields] = NULL; - return fieldp; - } - -static int fieldbackch (str, out, strip) - register char * str; /* First char of backslash sequence */ - register char ** out; /* Where to store result */ - int strip; /* NZ to convert the sequence */ - { - register int ch; /* Character being developed */ - char * origstr; /* Original value of str */ - - if (!strip) - { - *(*out)++ = '\\'; - if (*str != 'x' && *str != 'X' && (*str < '0' || *str > '7')) - { - *(*out)++ = *str; - return *str != '\0'; - } - } - switch (*str) - { - case '\0': - *(*out)++ = '\0'; - return 0; - case 'a': - *(*out)++ = '\007'; - return 1; - case 'b': - *(*out)++ = '\b'; - return 1; - case 'f': - *(*out)++ = '\f'; - return 1; - case 'n': - *(*out)++ = '\n'; - return 1; - case 'r': - *(*out)++ = '\r'; - return 1; - case 'v': - *(*out)++ = '\v'; - return 1; - case 'X': - case 'x': - /* Hexadecimal sequence */ - origstr = str++; - ch = 0; - if (*str >= '0' && *str <= '9') - ch = *str++ - '0'; - else if (*str >= 'a' && *str <= 'f') - ch = *str++ - 'a' + 0xa; - else if (*str >= 'A' && *str <= 'F') - ch = *str++ - 'A' + 0xa; - if (*str >= '0' && *str <= '9') - ch = (ch << 4) | (*str++ - '0'); - else if (*str >= 'a' && *str <= 'f') - ch = (ch << 4) | (*str++ - 'a' + 0xa); - else if (*str >= 'A' && *str <= 'F') - ch = (ch << 4) | (*str++ - 'A' + 0xa); - break; - case '0': - case '1': - case '2': - case '3': - case '4': - case '5': - case '6': - case '7': - /* Octal sequence */ - origstr = str; - ch = *str++ - '0'; - if (*str >= '0' && *str <= '7') - ch = (ch << 3) | (*str++ - '0'); - if (*str >= '0' && *str <= '7') - ch = (ch << 3) | (*str++ - '0'); - break; - default: - *(*out)++ = *str; - return 1; - } - if (strip) - { - *(*out)++ = ch; - return str - origstr; - } - else - { - for (ch = 0; origstr < str; ch++) - *(*out)++ = *origstr++; - return ch; - } - } - -int fieldwrite (file, fieldp, delim) - FILE * file; /* File to write to */ - register field_t * fieldp; /* Field structure to write */ - int delim; /* Delimiter to place between fields */ - { - int error; /* NZ if an error occurs */ - register int fieldno; /* Number of field being written */ - - error = 0; - for (fieldno = 0; fieldno < fieldp->nfields; fieldno++) - { - if (fieldno != 0) - error |= putc (delim, file) == EOF; - error |= fputs (fieldp->fields[fieldno], file) == EOF; - } - if (fieldp->hadnl) - error |= putc ('\n', file) == EOF; - return error; - } - -void fieldfree (fieldp) - register field_t * fieldp; /* Field structure to free */ - { - - if (fieldp == NULL) - return; - if (fieldp->linebuf != NULL) - free ((char *) fieldp->linebuf); - if (fieldp->fields != NULL) - free ((char *) fieldp->fields); - free ((char *) fieldp); - } diff --git a/deps/snappy-1.0.5/testdata/geo.protodata b/deps/snappy-1.0.5/testdata/geo.protodata deleted file mode 100644 index c4e3e0d..0000000 Binary files a/deps/snappy-1.0.5/testdata/geo.protodata and /dev/null differ diff --git a/deps/snappy-1.0.5/testdata/grammar.lsp b/deps/snappy-1.0.5/testdata/grammar.lsp deleted file mode 100644 index c60a993..0000000 --- a/deps/snappy-1.0.5/testdata/grammar.lsp +++ /dev/null @@ -1,94 +0,0 @@ -;;; -*- Mode: Lisp; Syntax: Common-Lisp; -*- - -(define-language - :grammar - '(((S $any) -> (S1 $any)) - ((S (Compound $s1 $s2)) -> (S1 $s1) (Conjunction) (S1 $s2)) - - ((S1 (Statement $v)) -> (NP $subj) (VP $subj $tense $v)) - ((S1 (Acknowledge $a)) -> (Acknowledge $a)) - ((S1 (Command $v)) -> (VP Self present $v)) - ((S1 (Question $v)) -> (Aux $tense) (NP $subj) (VP $subj $tense $v)) - ((S1 (Question $v)) -> (Be $tense) (NP $subj) (Be-Arg $subj $tense $v)) - - ((Be-Arg $subj $tense (Occur $tense (loc $subj $loc))) -> - (Loc-Adjunct $tense (loc $subj $loc))) - - ((VP $subj $tense (Occur $tense $v)) -> (VP1 $subj $tense $v)) - ((VP $subj $tense (Occur $tense $v)) -> (Aux $tense)(VP1 $subj present $v)) - - ((VP1 $subj $tense $v) -> (VP2 $subj $tense $v) (Adjunct? $v)) - - ((VP2 $subj $tense ($rel $subj $loc)) -> - (Verb/in $rel $tense)) - ((VP2 $subj $tense ($rel $subj $loc $obj)) -> - (Verb/tr $rel $tense) (NP $obj)) - ((VP2 $subj $tense ($rel $subj $loc $obj $obj2)) -> - (Verb/di $rel $tense) (NP $obj) (NP $obj2)) - ((VP2 $subj $tense (loc $subj $loc)) -> - (Be $tense) (Loc-Adjunct $tense (loc $subj $loc))) - - ((NP $n) -> (Pronoun $n)) - ((NP $n) -> (Article) (Noun $n)) - ((NP $n) -> (Noun $n)) - ((NP ($x $y)) -> (Number $x) (Number $y)) - - ((PP ($prep $n)) -> (Prep $prep) (NP $n)) - ((Adjunct? $v) ->) - ((Adjunct? $v) -> (Loc-Adjunct $tense $v)) - #+Allegro ((Loc-Adjunct $tense ($rel $subj $loc @rest)) -> (PP $loc)) - #+Allegro ((Loc-Adjunct $tense ($rel $subj $loc @rest)) -> (Adjunct $loc)) - #+Lucid ((Loc-Adjunct $tense ($rel $subj $loc . $rest)) -> (PP $loc)) - #+Lucid ((Loc-Adjunct $tense ($rel $subj $loc . $rest)) -> (Adjunct $loc)) - - ) - :lexicon - '( - ((Acknowledge $a) -> (yes true) (no false) (maybe unknown) (huh unparsed)) - ((Adjunct $loc) -> here there (nearby near) near left right up down) - ((Article) -> a an the) - ((Aux $tense) -> (will future) (did past) (do $finite)) - ((Be $tense) -> (am present) (are present) (is present) (be $finite) - (was past) (were past)) - ((Conjunction) -> and --) - ((Noun $n) -> gold Wumpus pit breeze stench glitter nothing) - ((Number $n) -> 0 1 2 3 4 5 6 7 8 9) - ((Prep $prep) -> in at to near) - ((Pronoun $n) -> (you self) (me master) (I master)) - - ((Verb/in $rel $tense) -> (go move $finite) (went move past) - (move move $finite) (move move past) (shoot shoot $finite)) - ((Verb/tr $rel $tense) -> (move carry $finite) (moved carry past) - (carry carry $finite) (carry carried past) - (grab grab $finite) (grab grabbed past) (get grab $finite) - (got grab past) (release release $finite) (release release past) - (drop release $finite) (dropped release past) (shoot shoot-at $finite) - (shot shoot-at past) (kill shoot-at $finite) (killed shoot-at past) - (smell perceive $finite) (feel perceive $finite) (felt perceive past)) - ((Verb/di $rel $tense) -> (bring bring $finite) (brought bring past) - (get bring $finite) (got bring past)) - )) - -(defparameter *sentences* - '((I will shoot the wumpus at 4 4) - (yes) - (You went right -- I will go left) - (carry the gold) - (yes and no) - (did you bring me the gold) - (a breeze is here -- I am near 5 3) - (a stench is in 3 5) - (a pit is nearby) - (is the wumpus near) - (Did you go to 3 8) - (Yes -- Nothing is there) - (Shoot -- Shoot left) - (Kill the wumpus -- shoot up))) - -(defun ss (&optional (sentences *sentences*)) - "Run some test sentences, and count how many were not parsed." - (count-if-not - #'(lambda (s) - (format t "~2&>>> ~(~{~a ~}~)~%" s) - (write (second (parse s)) :pretty t)) - *sentences*)) diff --git a/deps/snappy-1.0.5/testdata/house.jpg b/deps/snappy-1.0.5/testdata/house.jpg deleted file mode 100644 index 6b3aae8..0000000 Binary files a/deps/snappy-1.0.5/testdata/house.jpg and /dev/null differ diff --git a/deps/snappy-1.0.5/testdata/html b/deps/snappy-1.0.5/testdata/html deleted file mode 100644 index ef768cc..0000000 --- a/deps/snappy-1.0.5/testdata/html +++ /dev/null @@ -1 +0,0 @@ - content: @ 1099872000000000: 'HTTP/1.1 200 OK\r\nX-Google-Crawl-Date: Mon, 08 Nov 2004 17:22:09 GMT\r\nContent-Type: text/html\r\nConnection: close\r\nX-Powered-By: PHP/4.3.8\r\nServer: Apache/1.3.31 (Unix) mod_gzip/1.3.19.1a PHP/4.3.8\r\nDate: Mon, 08 Nov 2004 17:19:07 GMT\r\n\r\n \r\n\r\n\r\n\r\n\r\n\nMicro Achat : Ordinateurs, PDA - Toute l\'informatique avec 01Informatique, L\'Ordinateur Individuel, Micro Hebdo, D\351cision Informatique et 01R\351seaux\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\t\r\n\t\t\r\n\t\r\n\t\r\n\t\t\r\n\t\t\r\n\t\r\n
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Derni\350re mise \340 jour de cette page : lundi 8 novembre 2004  |  16:45
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\"\"
Imagerie 
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\n\t\t\t\t\t\t\t\t\t\340 partir de\n\t\t\t\t\t\t\t\t\t
332.89 €
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Ordinateurs 
\"\"\n\t\t\t\t\t\t\t\tAcer Veriton 7600G\n\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\340 partir de\n\t\t\t\t\t\t\t\t\t
705 €
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Ordinateurs 
\"\"\n\t\t\t\t\t\t\t\tShuttle SN95G5\n\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\340 partir de\n\t\t\t\t\t\t\t\t\t
375 €
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Composants 
\"\"\n\t\t\t\t\t\t\t\tAsus A7N8X-E Deluxe\n\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\340 partir de\n\t\t\t\t\t\t\t\t\t
91.99 €
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Composants 
\"\"\n\t\t\t\t\t\t\t\tThermalright SP-94\n\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\340 partir de\n\t\t\t\t\t\t\t\t\t
49 €
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\"\"
1 \">\"PC Look
2 \">\"Atelier Informatique
3 \">\"Zanax Multim\351dia
4 \">\"MISTEROOPS
5 \">\"168 Golden Avenue
6 \">\"microchoix
7 \">\"e-Soph
8 \">\"PC Price Club
9 \">\"PC 77
10 \">\"Web In Informatique
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CD et DVD bient\364t insensibles aux rayures
OpenOffice gagne son service
La messagerie en cinq minutes selon Ipswitch
> toutes les news


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Recevez chaque jour l\'actualit\351 des produits et des promos
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Entreprise
\r\n\t\t\t\tQuand le billet papier s\'envole vers la d\351mat\351rialisation


Trucs et astuces
\r\n\t\t\t\tD\351pannez Windows XP


Conso
\r\n\t\t\t\tVos photos sur papier imprimante ou labo ?


Produits & Tests
\r\n\t\t\t\t5 programmes d\222encodage vid\351o gratuits


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\r\nPortable
\r\nUn nouvel ultra portable r\351alis\351 par Nec
\r\n\r\n\t\t\t\t\t \t \t\t\t\t\t\t\t\t\t\t\t\t\t
\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t \t\r\nLe Versa S940 a un format r\351duit, mais ses performances sont \340 la hauteur.
\r\n\340 partir de 1663 \200\r\n		\r\n
\r\nPortable
\r\nAsus pr\351sente trois petits nouveaux dans la gamme A3N
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\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t \t\r\nCes trois portables Centrino int\350grent, entre autres, une webcam et un contr\364leur Wi-Fi.
\r\n\340 partir de 1346 \200\r\n
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BON PLAN
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\r\nLes derni\350res technologies INTEL dans un nouveau design pour ce shuttle haut de gamme, pour un prix abordable.
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publicit\351
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\r\n\t\t\t\tDesktops
\r\n\t\t\t\tPortables
\r\n\t\t\t\tMini-PC
\r\n\t\t\t\tPda / Tablets-PC
\r\n\t\t\t\tApple
\r\n\t\t\t\tGPS
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\r\n\t\r\n\t\t\r\n\t\r\n\t\r\n\t\t\t\t\r\n\t\r\n\t\r\n\t\t\t\t\r\n\t\r\n\t\r\n\t\t\t\t\r\n\t\r\n\t\r\n\t\t\t\t\t\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t
\r\n\tPortable Toshiba consacre deux gammes de machines au multim\351dia
\r\n\tEquipement haut de gamme et Windows Media Center sont au menu de ces portables \340 vocation multim\351dia.

\r\n\tOrdinateur Arriv\351e d\'un Power Mac G5 d\'entr\351e de gamme
\r\n\tLa firme \340 la pomme propose une station de travail \351volutive et relativement abordable.

\r\n\tPC Alienware propose deux machines au look \351trange
\r\n\tAurora et Area 51 sont deux gammes d\'ordinateurs enti\350rement configurables.

\r\n\tPortable Trois nouveaux iBook G4 chez Apple
\r\n\tChez Apple, les portables gagnent en vitesse et communiquent sans fil en standard.

\r\n\t\t\t\t> toutes les news\r\n\t\t\t
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\r\n\t\t\t\t\t \t \t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t \tAsus A3N15-C Pro
\r\n Voici un portable autonome et puissant gr\342ce \340 la technologie Intel Centrino.
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\r\n\t1170 \200
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\r\n\t\t\t\t\t \t \t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t \tSoltek EQ3702A Miroir
\r\n Ce mini PC est une solution int\351ressante pour les utilisateurs poss\351dant d\351j\340 un \351cran.
\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t
\r\n\t559 \200
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\r\n\t\t\t\t\t \t \t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t \tIBM ThinkPad R51
\r\n Voici un portable complet et pourtant relativement l\351ger.
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\r\nLes graveurs de DVD
\r\nQuel graveur choisir ? Quel type de format ? Quelle vitesse ? Double couche ou simple couche ? Voici tout ce qu\'il faut savoir pour faire le bon choix.
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\r\n\t\t\t\tChoisir une r\351gion
\r\n\r\n
Un d\351partement
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Un arrondissement
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\r\n\t\t\t\tRecherche directe
\r\n\t\t\t\trechercher une ville
et/ou une boutique
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\r\n\t\t\t\t \r\n\t\t\t\t\r\n\t\t\t\t\t\r\n\t\t\t\t\t\t\r\n\t\t\t\t\t\r\n\t\t\t\t
Recherche avanc\351e
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Bureautique
\r\n\t\t\t\tTraducteur, organiseur...

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Multim\351dia
\r\n\t\t\t\tPhoto, audio, vid\351o...

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Utilitaires
\r\n\t\t\t\tAntivirus, pilotes, gravure...

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Personnaliser son PC
\r\n\t\t\t\tEcrans de veille, th\350mes...

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D\351veloppement
\r\n\t\t\t\tCr\351ation de logiciels, BDD...

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Jeux
\r\n\t\t\t\tAction, simulation...

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Internet
\r\n\t\t\t\tUtilitaires, email, FTP...

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\r\n\t\t\t\tHumour, culture...

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\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\nMicro Achat : Ordinateurs, PDA - Toute l\'informatique avec 01Informatique, L\'Ordinateur Individuel, Micro Hebdo, D\351cision Informatique et 01R\351seaux\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\t\r\n\t\t\r\n\t\r\n\t\r\n\t\t\r\n\t\t\r\n\t\r\n
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Derni\350re mise \340 jour de cette page : lundi 8 novembre 2004  |  16:45
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\"\"
Imagerie 
\"\"\n\t\t\t\t\t\t\t\tLG L1720B\n\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\340 partir de\n\t\t\t\t\t\t\t\t\t
332.89 €
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Ordinateurs 
\"\"\n\t\t\t\t\t\t\t\tAcer Veriton 7600G\n\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\340 partir de\n\t\t\t\t\t\t\t\t\t
705 €
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Ordinateurs 
\"\"\n\t\t\t\t\t\t\t\tShuttle SN95G5\n\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\340 partir de\n\t\t\t\t\t\t\t\t\t
375 €
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Composants 
\"\"\n\t\t\t\t\t\t\t\tAsus A7N8X-E Deluxe\n\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\340 partir de\n\t\t\t\t\t\t\t\t\t
91.99 €
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Composants 
\"\"\n\t\t\t\t\t\t\t\tThermalright SP-94\n\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\340 partir de\n\t\t\t\t\t\t\t\t\t
49 €
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\"\"
1 \">\"PC Look
2 \">\"Atelier Informatique
3 \">\"Zanax Multim\351dia
4 \">\"MISTEROOPS
5 \">\"168 Golden Avenue
6 \">\"microchoix
7 \">\"e-Soph
8 \">\"PC Price Club
9 \">\"PC 77
10 \">\"Web In Informatique
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CD et DVD bient\364t insensibles aux rayures
OpenOffice gagne son service
La messagerie en cinq minutes selon Ipswitch
> toutes les news


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Recevez chaque jour l\'actualit\351 des produits et des promos
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Entreprise
\r\n\t\t\t\tQuand le billet papier s\'envole vers la d\351mat\351rialisation


Trucs et astuces
\r\n\t\t\t\tD\351pannez Windows XP


Conso
\r\n\t\t\t\tVos photos sur papier imprimante ou labo ?


Produits & Tests
\r\n\t\t\t\t5 programmes d\222encodage vid\351o gratuits


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\r\n
\r\nPortable
\r\nUn nouvel ultra portable r\351alis\351 par Nec
\r\n\r\n\t\t\t\t\t \t \t\t\t\t\t\t\t\t\t\t\t\t\t
\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t \t\r\nLe Versa S940 a un format r\351duit, mais ses performances sont \340 la hauteur.
\r\n\340 partir de 1663 \200\r\n		\r\n
\r\nPortable
\r\nAsus pr\351sente trois petits nouveaux dans la gamme A3N
\r\n\r\n\t\t\t\t\t \t \t\t\t\t\t\t\t\t\t\t\t\t\t
\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t \t\r\nCes trois portables Centrino int\350grent, entre autres, une webcam et un contr\364leur Wi-Fi.
\r\n\340 partir de 1346 \200\r\n
\r\n		 \r\n\t\r\n\t\r\n\t\r\n \t\r\n\t\r\n\t\r\n \t\r\n\t\r\n\t
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BON PLAN
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\r\nLes derni\350res technologies INTEL dans un nouveau design pour ce shuttle haut de gamme, pour un prix abordable.
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\r\n\340 partir de
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415 \200
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publicit\351
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\r\n\t\t\t\tDesktops
\r\n\t\t\t\tPortables
\r\n\t\t\t\tMini-PC
\r\n\t\t\t\tPda / Tablets-PC
\r\n\t\t\t\tApple
\r\n\t\t\t\tGPS
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\r\n\tPortable Toshiba consacre deux gammes de machines au multim\351dia
\r\n\tEquipement haut de gamme et Windows Media Center sont au menu de ces portables \340 vocation multim\351dia.

\r\n\tOrdinateur Arriv\351e d\'un Power Mac G5 d\'entr\351e de gamme
\r\n\tLa firme \340 la pomme propose une station de travail \351volutive et relativement abordable.

\r\n\tPC Alienware propose deux machines au look \351trange
\r\n\tAurora et Area 51 sont deux gammes d\'ordinateurs enti\350rement configurables.

\r\n\tPortable Trois nouveaux iBook G4 chez Apple
\r\n\tChez Apple, les portables gagnent en vitesse et communiquent sans fil en standard.

\r\n\t\t\t\t> toutes les news\r\n\t\t\t
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\r\n\r\n\t\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
\r\n\t\t\t\t\t \t \t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t \tAsus A3N15-C Pro
\r\n Voici un portable autonome et puissant gr\342ce \340 la technologie Intel Centrino.
\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t
\r\n\t1170 \200
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\r\n\t\t\t\t\t \t \t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t \tSoltek EQ3702A Miroir
\r\n Ce mini PC est une solution int\351ressante pour les utilisateurs poss\351dant d\351j\340 un \351cran.
\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t
\r\n\t559 \200
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\r\n\t\t\t\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
\r\n\t\t\t\t\t \t \t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t \tIBM ThinkPad R51
\r\n Voici un portable complet et pourtant relativement l\351ger.
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\r\n\t1299 \200
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\r\n\t\t\t\t> toutes les promos\r\n\t\t
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\r\n
\r\nLes graveurs de DVD
\r\nQuel graveur choisir ? Quel type de format ? Quelle vitesse ? Double couche ou simple couche ? Voici tout ce qu\'il faut savoir pour faire le bon choix.
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\r\n\t\t\t\tChoisir une r\351gion
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Un d\351partement
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Un arrondissement
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\r\n\t\t\t\tRecherche directe
\r\n\t\t\t\trechercher une ville
et/ou une boutique
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\r\n\t\t\t\t \r\n\t\t\t\t\r\n\t\t\t\t\t\r\n\t\t\t\t\t\t\r\n\t\t\t\t\t\r\n\t\t\t\t
Recherche avanc\351e
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Bureautique
\r\n\t\t\t\tTraducteur, organiseur...

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Multim\351dia
\r\n\t\t\t\tPhoto, audio, vid\351o...

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Utilitaires
\r\n\t\t\t\tAntivirus, pilotes, gravure...

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Personnaliser son PC
\r\n\t\t\t\tEcrans de veille, th\350mes...

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D\351veloppement
\r\n\t\t\t\tCr\351ation de logiciels, BDD...

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Jeux
\r\n\t\t\t\tAction, simulation...

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Internet
\r\n\t\t\t\tUtilitaires, email, FTP...

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Loisirs
\r\n\t\t\t\tHumour, culture...

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\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\nMicro Achat : Ordinateurs, PDA - Toute l\'informatique avec 01Informatique, L\'Ordinateur Individuel, Micro Hebdo, D\351cision Informatique et 01R\351seaux\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\t\r\n\t\t\r\n\t\r\n\t\r\n\t\t\r\n\t\t\r\n\t\r\n
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Derni\350re mise \340 jour de cette page : lundi 8 novembre 2004  |  16:45
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\"\"
Imagerie 
\"\"\n\t\t\t\t\t\t\t\tLG L1720B\n\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\340 partir de\n\t\t\t\t\t\t\t\t\t
332.89 €
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Ordinateurs 
\"\"\n\t\t\t\t\t\t\t\tAcer Veriton 7600G\n\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\340 partir de\n\t\t\t\t\t\t\t\t\t
705 €
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Ordinateurs 
\"\"\n\t\t\t\t\t\t\t\tShuttle SN95G5\n\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\340 partir de\n\t\t\t\t\t\t\t\t\t
375 €
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Composants 
\"\"\n\t\t\t\t\t\t\t\tAsus A7N8X-E Deluxe\n\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\340 partir de\n\t\t\t\t\t\t\t\t\t
91.99 €
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Composants 
\"\"\n\t\t\t\t\t\t\t\tThermalright SP-94\n\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\340 partir de\n\t\t\t\t\t\t\t\t\t
49 €
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\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t
\"\"
1 \">\"PC Look
2 \">\"Atelier Informatique
3 \">\"Zanax Multim\351dia
4 \">\"MISTEROOPS
5 \">\"168 Golden Avenue
6 \">\"microchoix
7 \">\"e-Soph
8 \">\"PC Price Club
9 \">\"PC 77
10 \">\"Web In Informatique
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\r\n \r\n\r\n\r\n\r\n\r\n\r\n
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\r\n\r\n\r\n \r\n \r\n\t\r\n\t\t\r\n\t\t\r\n\t\t\r\n\t\r\n
\r\n\t\t\r\n\t\t\t\r\n\t\t\t\t\r\n\t\t\t\r\n\t\t\t\t\r\n\t\t\t\t\r\n\t\t\t\t\r\n\t\t\t\r\n\t\t\t\t\t\t\r\n\t\t\t\t\r\n\t\t\t\t\r\n\t\t\t\r\n\t\t\t\t\t\t\r\n\t\t\t\t\r\n\t\t\t\t\r\n\t\t\t\r\n\t\t\t\t\t\t\t\t\r\n\t\t\t\t\r\n\t\t\t\r\n\t\t\t\t\r\n\t\t\t\t\r\n\t\t\t\r\n\t\t

CD et DVD bient\364t insensibles aux rayures
OpenOffice gagne son service
La messagerie en cinq minutes selon Ipswitch
> toutes les news


\r\n\t\t
\r\n \r\n\r\n\r\n\r\n\t\r\n\t\t\r\n\t\t\r\n\t\t\r\n\t\r\n\t\r\n\t\t\r\n\t\t\r\n\t\t\r\n\t\t\r\n\t\r\n\t\r\n\t\t\r\n\t\t\r\n\t\t\r\n\t\r\n
\r\n\t\t\r\n\t\t\t\r\n\t\t\t\t\r\n\t\t\t\t\r\n\t\t\t\r\n\t\t

Recevez chaque jour l\'actualit\351 des produits et des promos
\r\n\t\t\t\t\r\n\t\t\t\t\t\r\n\t\t\t\t\t\t\r\n\t\t\t\t\t\r\n\t\t\t\t


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\r\n\t\t\r\n\t\t\t\r\n\t\t\t\t\r\n\t\t\t\r\n\t\t\t\r\n\t\t\t\t\r\n\t\t\t\t\r\n\t\t\t\t\r\n\t\t\t\t\r\n\t\t\t\r\n\t\t\t\r\n\t\t\t\t\r\n\t\t\t\r\n\t\t\t\r\n\t\t\t\t\r\n\t\t\t\t\r\n\t\t\t\t\r\n\t\t\t\t\r\n\t\t\t\r\n\t\t\t\r\n\t\t\t\t\r\n\t\t\t\r\n\t\t \r\n\t\t\t\t\r\n\t\t\t\t\r\n\t\t\t\r\n\t\t\t\r\n\t\t\t\t\r\n\t\t\t\r\n\t\t\r\n\t\t\r\n\t\t\t\r\n\t\t\t\t\r\n\t\t\t\t\r\n\t\t\t\r\n\t\t\t\r\n\t\t\t\t\r\n\t\t\t\r\n\t\t

Entreprise
\r\n\t\t\t\tQuand le billet papier s\'envole vers la d\351mat\351rialisation


Trucs et astuces
\r\n\t\t\t\tD\351pannez Windows XP


Conso
\r\n\t\t\t\tVos photos sur papier imprimante ou labo ?


Produits & Tests
\r\n\t\t\t\t5 programmes d\222encodage vid\351o gratuits


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\r\n\r\n\t\r\n\t\t\r\n\t\t\r\n\t\r\n
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\r\n
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\r\n\t
\r\n\t\t\r\n\t\t\r\n\r\n\r\n\r\n \r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\t\t\r\n\t\t
\r\n
\r\n\r\n\r\n\t\r\n\r\n\r\n\r\n\t\t\t\r\n\r\n\r\n\r\n\t\t\t\t\r\n
\r\n
\r\nPortable
\r\nUn nouvel ultra portable r\351alis\351 par Nec
\r\n\r\n\t\t\t\t\t \t \t\t\t\t\t\t\t\t\t\t\t\t\t
\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t \t\r\nLe Versa S940 a un format r\351duit, mais ses performances sont \340 la hauteur.
\r\n\340 partir de 1663 \200\r\n		\r\n
\r\nPortable
\r\nAsus pr\351sente trois petits nouveaux dans la gamme A3N
\r\n\r\n\t\t\t\t\t \t \t\t\t\t\t\t\t\t\t\t\t\t\t
\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t \t\r\nCes trois portables Centrino int\350grent, entre autres, une webcam et un contr\364leur Wi-Fi.
\r\n\340 partir de 1346 \200\r\n
\r\n		 \r\n\t\r\n\t\r\n\t\r\n \t\r\n\t\r\n\t\r\n \t\r\n\t\r\n\t
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\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
BON PLAN
\r\n
\r\n
\r\nLes derni\350res technologies INTEL dans un nouveau design pour ce shuttle haut de gamme, pour un prix abordable.
\r\n

\r\n
\r\n\340 partir de
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415 \200
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publicit\351
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\r\n\r\n\t\r\n\t\t\r\n\t\t\r\n\t\r\n\t\r\n\t\t\r\n\t\t\r\n\t\t\r\n\t\r\n\t\r\n\t\t\r\n\t\t\r\n\t\r\n
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\r\n\t\t\t\tDesktops
\r\n\t\t\t\tPortables
\r\n\t\t\t\tMini-PC
\r\n\t\t\t\tPda / Tablets-PC
\r\n\t\t\t\tApple
\r\n\t\t\t\tGPS
\r\n\t\t\t\t
\r\n\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\r\n\t\t\t\t\t\t\r\n\t\t\t\t\t\r\n\t\t\t\t


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\r\n\t\r\n\t\t\r\n\t\r\n\t\r\n\t\t\t\t\r\n\t\r\n\t\r\n\t\t\t\t\r\n\t\r\n\t\r\n\t\t\t\t\r\n\t\r\n\t\r\n\t\t\t\t\t\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t
\r\n\tPortable Toshiba consacre deux gammes de machines au multim\351dia
\r\n\tEquipement haut de gamme et Windows Media Center sont au menu de ces portables \340 vocation multim\351dia.

\r\n\tOrdinateur Arriv\351e d\'un Power Mac G5 d\'entr\351e de gamme
\r\n\tLa firme \340 la pomme propose une station de travail \351volutive et relativement abordable.

\r\n\tPC Alienware propose deux machines au look \351trange
\r\n\tAurora et Area 51 sont deux gammes d\'ordinateurs enti\350rement configurables.

\r\n\tPortable Trois nouveaux iBook G4 chez Apple
\r\n\tChez Apple, les portables gagnent en vitesse et communiquent sans fil en standard.

\r\n\t\t\t\t> toutes les news\r\n\t\t\t
\r\n
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\r\n\r\n\t\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
\r\n\t\t\t\t\t \t \t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t \tAsus A3N15-C Pro
\r\n Voici un portable autonome et puissant gr\342ce \340 la technologie Intel Centrino.
\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t
\r\n\t1170 \200
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\r\n\t\t\t\t\t \t \t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t \tSoltek EQ3702A Miroir
\r\n Ce mini PC est une solution int\351ressante pour les utilisateurs poss\351dant d\351j\340 un \351cran.
\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t
\r\n\t559 \200
\r\n
\r\n\t\t\t\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
\r\n\t\t\t\t\t \t \t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t \tIBM ThinkPad R51
\r\n Voici un portable complet et pourtant relativement l\351ger.
\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t\r\n\t
\r\n\t1299 \200
\r\n
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\r\n\t\t\t\t> toutes les promos\r\n\t\t
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\r\n		 \r\n\r\n\t\r\n\t\t\r\n\t\r\n

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\r\n\t\t\t\r\n\t\t\t\t\r\n\r\n\r\n\r\n \r\n\r\n\r\n \r\n\r\n\r\n\r\n\r\n\t\t\r\n\t\t
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\r\n\r\n\t\r\n\t\t\r\n\t\t\r\n\t\r\n\t\r\n\t\t\r\n\t\r\n
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\r\n\t\r\n\r\n
\r\n\r\n\t\t\t\t\t \t \t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t \t\r\n
\r\n
\r\nLes graveurs de DVD
\r\nQuel graveur choisir ? Quel type de format ? Quelle vitesse ? Double couche ou simple couche ? Voici tout ce qu\'il faut savoir pour faire le bon choix.
\r\n\t\t\t\t\t\t
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\r\n\r\n\t\r\n\t\t\r\n\t\t\r\n\t\r\n\t\r\n\t\t\r\n\t\r\n
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\r\n		 \r\n\r\n\r\n\t\r\n\t\t\r\n\r\n\r\n \t\r\n
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\r\n\t\t\t\t

\r\n\t\t\t\tChoisir une r\351gion
\r\n\r\n
Un d\351partement
\r\n\r\n
\r\n
Un arrondissement
\r\n\r\n
\r\n
\r\n\t\t\t\tRecherche directe
\r\n\t\t\t\trechercher une ville
et/ou une boutique
\r\n\t\t\t\t

\r\n\t\t\t\t \r\n\t\t\t\t\r\n\t\t\t\t\t\r\n\t\t\t\t\t\t\r\n\t\t\t\t\t\r\n\t\t\t\t
Recherche avanc\351e
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\r\n\r\n\t\r\n\t\t\r\n\t\r\n\t\r\n\t\t\r\n\t\r\n\t\r\n\t\t\r\n\t\r\n
\r\n\t\t\r\n\t\t\t\r\n\t\t\t\t\r\n\t\t\t\t\r\n\t\t\t\t\r\n\t\t\t\r\n\t\t\t\r\n\t\t\t\t\r\n\t\t\t\r\n\t\t\t\r\n\t\t\t\t\r\n\t\t\t\r\n\t\t\t\r\n\t\t\t\t\r\n\t\t\t\r\n\t\t\t\r\n\t\t\t\t\r\n\t\t\t\r\n\t\t\t\r\n\t\t\t\t\r\n\t\t\t\r\n\t\t\t\r\n\t\t\t\t\r\n\t\t\t\r\n\t\t\t\r\n\t\t\t\t\r\n\t\t\t\r\n\t\t\t\r\n\t\t\t\t\r\n\t\t\t\r\n\t\t\t\r\n\t\t\t\t\r\n\t\t\t\r\n\t\t\t\r\n\t\t\t\t\r\n\t\t\t\r\n\t\t\t\r\n\t\t\t\t\r\n\t\t\t\r\n\t\t\t\r\n\t\t\t\t\r\n\t\t\t\r\n\t\t\t\r\n\t\t\t\t\r\n\t\t\t\r\n\t\t\t\r\n\t\t\t\t\r\n\t\t\t\r\n\t\t\t\r\n\t\t\t\t\r\n\t\t\t\r\n\t\t\t\r\n\t\t\t\t\r\n\t\t\t\r\n\t\t
Bureautique
\r\n\t\t\t\tTraducteur, organiseur...

\r\n\t\t\t\t

Multim\351dia
\r\n\t\t\t\tPhoto, audio, vid\351o...

\r\n\t\t\t\t

Utilitaires
\r\n\t\t\t\tAntivirus, pilotes, gravure...

\r\n\t\t\t\t

Personnaliser son PC
\r\n\t\t\t\tEcrans de veille, th\350mes...

\r\n\t\t\t\t

D\351veloppement
\r\n\t\t\t\tCr\351ation de logiciels, BDD...

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Jeux
\r\n\t\t\t\tAction, simulation...

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Internet
\r\n\t\t\t\tUtilitaires, email, FTP...

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Loisirs
\r\n\t\t\t\tHumour, culture...

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\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\nMicro Achat : Ordinateurs, PDA - Toute l\'informatique avec 01Informatique, L\'Ordinateur Individuel, Micro Hebdo, D\351cision Informatique et 01R\351seaux\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\t\r\n\t\t\r\n\t\r\n\t\r\n\t\t\r\n\t\t\r\n\t\r\n
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Derni\350re mise \340 jour de cette page : lundi 8 novembre 2004  |  16:45
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Imagerie 
\"\"\n\t\t\t\t\t\t\t\tLG L1720B\n\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\340 partir de\n\t\t\t\t\t\t\t\t\t
332.89 €
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Ordinateurs 
\"\"\n\t\t\t\t\t\t\t\tAcer Veriton 7600G\n\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\340 partir de\n\t\t\t\t\t\t\t\t\t
705 €
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Ordinateurs 
\"\"\n\t\t\t\t\t\t\t\tShuttle SN95G5\n\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\340 partir de\n\t\t\t\t\t\t\t\t\t
375 €
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Composants 
\"\"\n\t\t\t\t\t\t\t\tAsus A7N8X-E Deluxe\n\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\340 partir de\n\t\t\t\t\t\t\t\t\t
91.99 €
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Composants 
\"\"\n\t\t\t\t\t\t\t\tThermalright SP-94\n\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\340 partir de\n\t\t\t\t\t\t\t\t\t
49 €
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\"\"
1 \">\"PC Look
2 \">\"Atelier Informatique
3 \">\"Zanax Multim\351dia
4 \">\"MISTEROOPS
5 \">\"168 Golden Avenue
6 \">\"microchoix
7 \">\"e-Soph
8 \">\"PC Price Club
9 \">\"PC 77
10 \">\"Web In Informatique
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CD et DVD bient\364t insensibles aux rayures
OpenOffice gagne son service
La messagerie en cinq minutes selon Ipswitch
> toutes les news


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Recevez chaque jour l\'actualit\351 des produits et des promos
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Entreprise
\r\n\t\t\t\tQuand le billet papier s\'envole vers la d\351mat\351rialisation


Trucs et astuces
\r\n\t\t\t\tD\351pannez Windows XP


Conso
\r\n\t\t\t\tVos photos sur papier imprimante ou labo ?


Produits & Tests
\r\n\t\t\t\t5 programmes d\222encodage vid\351o gratuits


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\r\nPortable
\r\nUn nouvel ultra portable r\351alis\351 par Nec
\r\n\r\n\t\t\t\t\t \t \t\t\t\t\t\t\t\t\t\t\t\t\t
\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t \t\r\nLe Versa S940 a un format r\351duit, mais ses performances sont \340 la hauteur.
\r\n\340 partir de 1663 \200\r\n		\r\n
\r\nPortable
\r\nAsus pr\351sente trois petits nouveaux dans la gamme A3N
\r\n\r\n\t\t\t\t\t \t \t\t\t\t\t\t\t\t\t\t\t\t\t
\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t \t\r\nCes trois portables Centrino int\350grent, entre autres, une webcam et un contr\364leur Wi-Fi.
\r\n\340 partir de 1346 \200\r\n
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BON PLAN
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\r\nLes derni\350res technologies INTEL dans un nouveau design pour ce shuttle haut de gamme, pour un prix abordable.
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publicit\351
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\r\n\tPortable Toshiba consacre deux gammes de machines au multim\351dia
\r\n\tEquipement haut de gamme et Windows Media Center sont au menu de ces portables \340 vocation multim\351dia.

\r\n\tOrdinateur Arriv\351e d\'un Power Mac G5 d\'entr\351e de gamme
\r\n\tLa firme \340 la pomme propose une station de travail \351volutive et relativement abordable.

\r\n\tPC Alienware propose deux machines au look \351trange
\r\n\tAurora et Area 51 sont deux gammes d\'ordinateurs enti\350rement configurables.

\r\n\tPortable Trois nouveaux iBook G4 chez Apple
\r\n\tChez Apple, les portables gagnent en vitesse et communiquent sans fil en standard.

\r\n\t\t\t\t> toutes les news\r\n\t\t\t
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\r\n Voici un portable autonome et puissant gr\342ce \340 la technologie Intel Centrino.
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\r\n Ce mini PC est une solution int\351ressante pour les utilisateurs poss\351dant d\351j\340 un \351cran.
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\r\n\t559 \200
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\r\n Voici un portable complet et pourtant relativement l\351ger.
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\r\n\t1299 \200
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\r\nLes graveurs de DVD
\r\nQuel graveur choisir ? Quel type de format ? Quelle vitesse ? Double couche ou simple couche ? Voici tout ce qu\'il faut savoir pour faire le bon choix.
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\r\n\t\t\t\tChoisir une r\351gion
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Un d\351partement
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Un arrondissement
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\r\n\t\t\t\tRecherche directe
\r\n\t\t\t\trechercher une ville
et/ou une boutique
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\r\n\t\t\t\t \r\n\t\t\t\t\r\n\t\t\t\t\t\r\n\t\t\t\t\t\t\r\n\t\t\t\t\t\r\n\t\t\t\t
Recherche avanc\351e
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Bureautique
\r\n\t\t\t\tTraducteur, organiseur...

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Multim\351dia
\r\n\t\t\t\tPhoto, audio, vid\351o...

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Utilitaires
\r\n\t\t\t\tAntivirus, pilotes, gravure...

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Personnaliser son PC
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D\351veloppement
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\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\nMicro Achat : Ordinateurs, PDA - Toute l\'informatique avec 01Informatique, L\'Ordinateur Individuel, Micro Hebdo, D\351cision Informatique et 01R\351seaux\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\t\r\n\t\t\r\n\t\r\n\t\r\n\t\t\r\n\t\t\r\n\t\r\n
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Derni\350re mise \340 jour de cette page : lundi 8 novembre 2004  |  16:45
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Imagerie 
\"\"\n\t\t\t\t\t\t\t\tLG L1720B\n\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\340 partir de\n\t\t\t\t\t\t\t\t\t
332.89 €
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\"\"\n\t\t\t\t\t\t\t\tAcer Veriton 7600G\n\t\t\t\t\t\t\t\t
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705 €
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Ordinateurs 
\"\"\n\t\t\t\t\t\t\t\tShuttle SN95G5\n\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\340 partir de\n\t\t\t\t\t\t\t\t\t
375 €
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Composants 
\"\"\n\t\t\t\t\t\t\t\tAsus A7N8X-E Deluxe\n\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\340 partir de\n\t\t\t\t\t\t\t\t\t
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Composants 
\"\"\n\t\t\t\t\t\t\t\tThermalright SP-94\n\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\340 partir de\n\t\t\t\t\t\t\t\t\t
49 €
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\"\"
1 \">\"PC Look
2 \">\"Atelier Informatique
3 \">\"Zanax Multim\351dia
4 \">\"MISTEROOPS
5 \">\"168 Golden Avenue
6 \">\"microchoix
7 \">\"e-Soph
8 \">\"PC Price Club
9 \">\"PC 77
10 \">\"Web In Informatique
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CD et DVD bient\364t insensibles aux rayures
OpenOffice gagne son service
La messagerie en cinq minutes selon Ipswitch
> toutes les news


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Recevez chaque jour l\'actualit\351 des produits et des promos
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Entreprise
\r\n\t\t\t\tQuand le billet papier s\'envole vers la d\351mat\351rialisation


Trucs et astuces
\r\n\t\t\t\tD\351pannez Windows XP


Conso
\r\n\t\t\t\tVos photos sur papier imprimante ou labo ?


Produits & Tests
\r\n\t\t\t\t5 programmes d\222encodage vid\351o gratuits


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\r\nPortable
\r\nUn nouvel ultra portable r\351alis\351 par Nec
\r\n\r\n\t\t\t\t\t \t \t\t\t\t\t\t\t\t\t\t\t\t\t
\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t \t\r\nLe Versa S940 a un format r\351duit, mais ses performances sont \340 la hauteur.
\r\n\340 partir de 1663 \200\r\n		\r\n
\r\nPortable
\r\nAsus pr\351sente trois petits nouveaux dans la gamme A3N
\r\n\r\n\t\t\t\t\t \t \t\t\t\t\t\t\t\t\t\t\t\t\t
\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t \t\r\nCes trois portables Centrino int\350grent, entre autres, une webcam et un contr\364leur Wi-Fi.
\r\n\340 partir de 1346 \200\r\n
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BON PLAN
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\r\nLes derni\350res technologies INTEL dans un nouveau design pour ce shuttle haut de gamme, pour un prix abordable.
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publicit\351
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\r\n\tPortable Toshiba consacre deux gammes de machines au multim\351dia
\r\n\tEquipement haut de gamme et Windows Media Center sont au menu de ces portables \340 vocation multim\351dia.

\r\n\tOrdinateur Arriv\351e d\'un Power Mac G5 d\'entr\351e de gamme
\r\n\tLa firme \340 la pomme propose une station de travail \351volutive et relativement abordable.

\r\n\tPC Alienware propose deux machines au look \351trange
\r\n\tAurora et Area 51 sont deux gammes d\'ordinateurs enti\350rement configurables.

\r\n\tPortable Trois nouveaux iBook G4 chez Apple
\r\n\tChez Apple, les portables gagnent en vitesse et communiquent sans fil en standard.

\r\n\t\t\t\t> toutes les news\r\n\t\t\t
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\r\n Voici un portable autonome et puissant gr\342ce \340 la technologie Intel Centrino.
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\r\n Ce mini PC est une solution int\351ressante pour les utilisateurs poss\351dant d\351j\340 un \351cran.
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\r\n\t559 \200
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\r\n Voici un portable complet et pourtant relativement l\351ger.
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\r\n\t\t\t\t> toutes les promos\r\n\t\t
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\r\nLes graveurs de DVD
\r\nQuel graveur choisir ? Quel type de format ? Quelle vitesse ? Double couche ou simple couche ? Voici tout ce qu\'il faut savoir pour faire le bon choix.
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\r\n\t\t\t\tChoisir une r\351gion
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Un d\351partement
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Un arrondissement
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\r\n\t\t\t\tRecherche directe
\r\n\t\t\t\trechercher une ville
et/ou une boutique
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Recherche avanc\351e
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Bureautique
\r\n\t\t\t\tTraducteur, organiseur...

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Multim\351dia
\r\n\t\t\t\tPhoto, audio, vid\351o...

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Utilitaires
\r\n\t\t\t\tAntivirus, pilotes, gravure...

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Personnaliser son PC
\r\n\t\t\t\tEcrans de veille, th\350mes...

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D\351veloppement
\r\n\t\t\t\tCr\351ation de logiciels, BDD...

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Jeux
\r\n\t\t\t\tAction, simulation...

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Internet
\r\n\t\t\t\tUtilitaires, email, FTP...

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Loisirs
\r\n\t\t\t\tHumour, culture...

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\r\n\r\n\r\n\r\nconn, $params); if($data == "NULL") return NULL; - return $data; + if(strcasecmp($method, "ds_mget") == 0 || strcasecmp($method, "ds_hmget") == 0) + return $this->array_to_hash($data); + + return $data; } diff --git a/redis.conf b/redis.conf index c2f2e73..cf7814e 100644 --- a/redis.conf +++ b/redis.conf @@ -1,552 +1,46 @@ -# Redis configuration file example - -# Note on units: when memory size is needed, it is possible to specify -# it in the usual form of 1k 5GB 4M and so forth: -# -# 1k => 1000 bytes -# 1kb => 1024 bytes -# 1m => 1000000 bytes -# 1mb => 1024*1024 bytes -# 1g => 1000000000 bytes -# 1gb => 1024*1024*1024 bytes -# -# units are case insensitive so 1GB 1Gb 1gB are all the same. - -# By default Redis does not run as a daemon. Use 'yes' if you need it. -# Note that Redis will write a pid file in /var/run/redis.pid when daemonized. -daemonize no - -# When running daemonized, Redis writes a pid file in /var/run/redis.pid by -# default. You can specify a custom pid file location here. -pidfile /var/run/redis.pid - -# Accept connections on the specified port, default is 6379. -# If port 0 is specified Redis will not listen on a TCP socket. +daemonize yes +pidfile ./log/redis.pid port 6379 - -# If you want you can bind a single interface, if the bind option is not -# specified all the interfaces will listen for incoming connections. -# -# bind 127.0.0.1 - -# Specify the path for the unix socket that will be used to listen for -# incoming connections. There is no default, so Redis will not listen -# on a unix socket when not specified. -# -# unixsocket /tmp/redis.sock -# unixsocketperm 755 - -# Close the connection after a client is idle for N seconds (0 to disable) +bind 127.0.0.1 timeout 0 - -# Set server verbosity to 'debug' -# it can be one of: -# debug (a lot of information, useful for development/testing) -# verbose (many rarely useful info, but not a mess like the debug level) -# notice (moderately verbose, what you want in production probably) -# warning (only very important / critical messages are logged) loglevel notice - -# Specify the log file name. Also 'stdout' can be used to force -# Redis to log on the standard output. Note that if you use standard -# output for logging but daemonize, logs will be sent to /dev/null -logfile stdout - -# To enable logging to the system logger, just set 'syslog-enabled' to yes, -# and optionally update the other syslog parameters to suit your needs. -# syslog-enabled no - -# Specify the syslog identity. -# syslog-ident redis - -# Specify the syslog facility. Must be USER or between LOCAL0-LOCAL7. -# syslog-facility local0 - -# Set the number of databases. The default database is DB 0, you can select -# a different one on a per-connection basis using SELECT where -# dbid is a number between 0 and 'databases'-1 +logfile ./log/redis.log databases 16 - -################################ SNAPSHOTTING ################################# -# -# Save the DB on disk: -# -# save -# -# Will save the DB if both the given number of seconds and the given -# number of write operations against the DB occurred. -# -# In the example below the behaviour will be to save: -# after 900 sec (15 min) if at least 1 key changed -# after 300 sec (5 min) if at least 10 keys changed -# after 60 sec if at least 10000 keys changed -# -# Note: you can disable saving at all commenting all the "save" lines. -# -# It is also possible to remove all the previously configured save -# points by adding a save directive with a single empty string argument -# like in the following example: -# -# save "" - -save 900 1 -save 300 10 -save 60 10000 - -# By default Redis will stop accepting writes if RDB snapshots are enabled -# (at least one save point) and the latest background save failed. -# This will make the user aware (in an hard way) that data is not persisting -# on disk properly, otherwise chances are that no one will notice and some -# distater will happen. -# -# If the background saving process will start working again Redis will -# automatically allow writes again. -# -# However if you have setup your proper monitoring of the Redis server -# and persistence, you may want to disable this feature so that Redis will -# continue to work as usually even if there are problems with disk, -# permissions, and so forth. stop-writes-on-bgsave-error yes - -# Compress string objects using LZF when dump .rdb databases? -# For default that's set to 'yes' as it's almost always a win. -# If you want to save some CPU in the saving child set it to 'no' but -# the dataset will likely be bigger if you have compressible values or keys. rdbcompression yes - -# Since verison 5 of RDB a CRC64 checksum is placed at the end of the file. -# This makes the format more resistant to corruption but there is a performance -# hit to pay (around 10%) when saving and loading RDB files, so you can disable it -# for maximum performances. -# -# RDB files created with checksum disabled have a checksum of zero that will -# tell the loading code to skip the check. rdbchecksum yes - -# The filename where to dump the DB -dbfilename dump.rdb - -# The working directory. -# -# The DB will be written inside this directory, with the filename specified -# above using the 'dbfilename' configuration directive. -# -# Also the Append Only File will be created inside this directory. -# -# Note that you must specify a directory here, not a file name. +dbfilename redis_storage.rdb dir ./ - -################################# REPLICATION ################################# - -# Master-Slave replication. Use slaveof to make a Redis instance a copy of -# another Redis server. Note that the configuration is local to the slave -# so for example it is possible to configure the slave to save the DB with a -# different interval, or to listen to another port, and so on. -# -# slaveof - -# If the master is password protected (using the "requirepass" configuration -# directive below) it is possible to tell the slave to authenticate before -# starting the replication synchronization process, otherwise the master will -# refuse the slave request. -# -# masterauth - -# When a slave lost the connection with the master, or when the replication -# is still in progress, the slave can act in two different ways: -# -# 1) if slave-serve-stale-data is set to 'yes' (the default) the slave will -# still reply to client requests, possibly with out of date data, or the -# data set may just be empty if this is the first synchronization. -# -# 2) if slave-serve-stale data is set to 'no' the slave will reply with -# an error "SYNC with master in progress" to all the kind of commands -# but to INFO and SLAVEOF. -# slave-serve-stale-data yes - -# You can configure a slave instance to accept writes or not. Writing against -# a slave instance may be useful to store some ephemeral data (because data -# written on a slave will be easily deleted after resync with the master) but -# may also cause problems if clients are writing to it because of a -# misconfiguration. -# -# Since Redis 2.6 by default slaves are read-only. -# -# Note: read only slaves are not designed to be exposed to untrusted clients -# on the internet. It's just a protection layer against misuse of the instance. -# Still a read only slave exports by default all the administrative commands -# such as CONFIG, DEBUG, and so forth. To a limited extend you can improve -# security of read only slaves using 'rename-command' to shadow all the -# administrative / dangerous commands. slave-read-only yes - -# Slaves send PINGs to server in a predefined interval. It's possible to change -# this interval with the repl_ping_slave_period option. The default value is 10 -# seconds. -# -# repl-ping-slave-period 10 - -# The following option sets a timeout for both Bulk transfer I/O timeout and -# master data or ping response timeout. The default value is 60 seconds. -# -# It is important to make sure that this value is greater than the value -# specified for repl-ping-slave-period otherwise a timeout will be detected -# every time there is low traffic between the master and the slave. -# -# repl-timeout 60 - -# The slave priority is an integer number published by Redis in the INFO output. -# It is used by Redis Sentinel in order to select a slave to promote into a -# master if the master is no longer working correctly. -# -# A slave with a low priority number is considered better for promotion, so -# for instance if there are three slaves with priority 10, 100, 25 Sentinel will -# pick the one wtih priority 10, that is the lowest. -# -# However a special priority of 0 marks the slave as not able to perform the -# role of master, so a slave with priority of 0 will never be selected by -# Redis Sentinel for promotion. -# -# By default the priority is 100. slave-priority 100 - -################################## SECURITY ################################### - -# Require clients to issue AUTH before processing any other -# commands. This might be useful in environments in which you do not trust -# others with access to the host running redis-server. -# -# This should stay commented out for backward compatibility and because most -# people do not need auth (e.g. they run their own servers). -# -# Warning: since Redis is pretty fast an outside user can try up to -# 150k passwords per second against a good box. This means that you should -# use a very strong password otherwise it will be very easy to break. -# -# requirepass foobared - -# Command renaming. -# -# It is possible to change the name of dangerous commands in a shared -# environment. For instance the CONFIG command may be renamed into something -# of hard to guess so that it will be still available for internal-use -# tools but not available for general clients. -# -# Example: -# -# rename-command CONFIG b840fc02d524045429941cc15f59e41cb7be6c52 -# -# It is also possible to completely kill a command renaming it into -# an empty string: -# -# rename-command CONFIG "" - -################################### LIMITS #################################### - -# Set the max number of connected clients at the same time. By default -# this limit is set to 10000 clients, however if the Redis server is not -# able ot configure the process file limit to allow for the specified limit -# the max number of allowed clients is set to the current file limit -# minus 32 (as Redis reserves a few file descriptors for internal uses). -# -# Once the limit is reached Redis will close all the new connections sending -# an error 'max number of clients reached'. -# -# maxclients 10000 - -# Don't use more memory than the specified amount of bytes. -# When the memory limit is reached Redis will try to remove keys -# accordingly to the eviction policy selected (see maxmemmory-policy). -# -# If Redis can't remove keys according to the policy, or if the policy is -# set to 'noeviction', Redis will start to reply with errors to commands -# that would use more memory, like SET, LPUSH, and so on, and will continue -# to reply to read-only commands like GET. -# -# This option is usually useful when using Redis as an LRU cache, or to set -# an hard memory limit for an instance (using the 'noeviction' policy). -# -# WARNING: If you have slaves attached to an instance with maxmemory on, -# the size of the output buffers needed to feed the slaves are subtracted -# from the used memory count, so that network problems / resyncs will -# not trigger a loop where keys are evicted, and in turn the output -# buffer of slaves is full with DELs of keys evicted triggering the deletion -# of more keys, and so forth until the database is completely emptied. -# -# In short... if you have slaves attached it is suggested that you set a lower -# limit for maxmemory so that there is some free RAM on the system for slave -# output buffers (but this is not needed if the policy is 'noeviction'). -# -# maxmemory - -# MAXMEMORY POLICY: how Redis will select what to remove when maxmemory -# is reached? You can select among five behavior: -# -# volatile-lru -> remove the key with an expire set using an LRU algorithm -# allkeys-lru -> remove any key accordingly to the LRU algorithm -# volatile-random -> remove a random key with an expire set -# allkeys-random -> remove a random key, any key -# volatile-ttl -> remove the key with the nearest expire time (minor TTL) -# noeviction -> don't expire at all, just return an error on write operations -# -# Note: with all the kind of policies, Redis will return an error on write -# operations, when there are not suitable keys for eviction. -# -# At the date of writing this commands are: set setnx setex append -# incr decr rpush lpush rpushx lpushx linsert lset rpoplpush sadd -# sinter sinterstore sunion sunionstore sdiff sdiffstore zadd zincrby -# zunionstore zinterstore hset hsetnx hmset hincrby incrby decrby -# getset mset msetnx exec sort -# -# The default is: -# -# maxmemory-policy volatile-lru - -# LRU and minimal TTL algorithms are not precise algorithms but approximated -# algorithms (in order to save memory), so you can select as well the sample -# size to check. For instance for default Redis will check three keys and -# pick the one that was used less recently, you can change the sample size -# using the following configuration directive. -# -# maxmemory-samples 3 - -############################## APPEND ONLY MODE ############################### - -# By default Redis asynchronously dumps the dataset on disk. This mode is -# good enough in many applications, but an issue with the Redis process or -# a power outage may result into a few minutes of writes lost (depending on -# the configured save points). -# -# The Append Only File is an alternative persistence mode that provides -# much better durability. For instance using the default data fsync policy -# (see later in the config file) Redis can lose just one second of writes in a -# dramatic event like a server power outage, or a single write if something -# wrong with the Redis process itself happens, but the operating system is -# still running correctly. -# -# AOF and RDB persistence can be enabled at the same time without problems. -# If the AOF is enabled on startup Redis will load the AOF, that is the file -# with the better durability guarantees. -# -# Please check http://redis.io/topics/persistence for more information. - -appendonly no - -# The name of the append only file (default: "appendonly.aof") -# appendfilename appendonly.aof - -# The fsync() call tells the Operating System to actually write data on disk -# instead to wait for more data in the output buffer. Some OS will really flush -# data on disk, some other OS will just try to do it ASAP. -# -# Redis supports three different modes: -# -# no: don't fsync, just let the OS flush the data when it wants. Faster. -# always: fsync after every write to the append only log . Slow, Safest. -# everysec: fsync only one time every second. Compromise. -# -# The default is "everysec" that's usually the right compromise between -# speed and data safety. It's up to you to understand if you can relax this to -# "no" that will let the operating system flush the output buffer when -# it wants, for better performances (but if you can live with the idea of -# some data loss consider the default persistence mode that's snapshotting), -# or on the contrary, use "always" that's very slow but a bit safer than -# everysec. -# -# More details please check the following article: -# http://antirez.com/post/redis-persistence-demystified.html -# -# If unsure, use "everysec". - -# appendfsync always appendfsync everysec -# appendfsync no - -# When the AOF fsync policy is set to always or everysec, and a background -# saving process (a background save or AOF log background rewriting) is -# performing a lot of I/O against the disk, in some Linux configurations -# Redis may block too long on the fsync() call. Note that there is no fix for -# this currently, as even performing fsync in a different thread will block -# our synchronous write(2) call. -# -# In order to mitigate this problem it's possible to use the following option -# that will prevent fsync() from being called in the main process while a -# BGSAVE or BGREWRITEAOF is in progress. -# -# This means that while another child is saving the durability of Redis is -# the same as "appendfsync none", that in practical terms means that it is -# possible to lost up to 30 seconds of log in the worst scenario (with the -# default Linux settings). -# -# If you have latency problems turn this to "yes". Otherwise leave it as -# "no" that is the safest pick from the point of view of durability. no-appendfsync-on-rewrite no - -# Automatic rewrite of the append only file. -# Redis is able to automatically rewrite the log file implicitly calling -# BGREWRITEAOF when the AOF log size will growth by the specified percentage. -# -# This is how it works: Redis remembers the size of the AOF file after the -# latest rewrite (or if no rewrite happened since the restart, the size of -# the AOF at startup is used). -# -# This base size is compared to the current size. If the current size is -# bigger than the specified percentage, the rewrite is triggered. Also -# you need to specify a minimal size for the AOF file to be rewritten, this -# is useful to avoid rewriting the AOF file even if the percentage increase -# is reached but it is still pretty small. -# -# Specify a percentage of zero in order to disable the automatic AOF -# rewrite feature. - auto-aof-rewrite-percentage 100 auto-aof-rewrite-min-size 64mb - -################################ LUA SCRIPTING ############################### - -# Max execution time of a Lua script in milliseconds. -# -# If the maximum execution time is reached Redis will log that a script is -# still in execution after the maximum allowed time and will start to -# reply to queries with an error. -# -# When a long running script exceed the maximum execution time only the -# SCRIPT KILL and SHUTDOWN NOSAVE commands are available. The first can be -# used to stop a script that did not yet called write commands. The second -# is the only way to shut down the server in the case a write commands was -# already issue by the script but the user don't want to wait for the natural -# termination of the script. -# -# Set it to 0 or a negative value for unlimited execution without warnings. lua-time-limit 5000 - -################################## SLOW LOG ################################### - -# The Redis Slow Log is a system to log queries that exceeded a specified -# execution time. The execution time does not include the I/O operations -# like talking with the client, sending the reply and so forth, -# but just the time needed to actually execute the command (this is the only -# stage of command execution where the thread is blocked and can not serve -# other requests in the meantime). -# -# You can configure the slow log with two parameters: one tells Redis -# what is the execution time, in microseconds, to exceed in order for the -# command to get logged, and the other parameter is the length of the -# slow log. When a new command is logged the oldest one is removed from the -# queue of logged commands. - -# The following time is expressed in microseconds, so 1000000 is equivalent -# to one second. Note that a negative number disables the slow log, while -# a value of zero forces the logging of every command. slowlog-log-slower-than 10000 - -# There is no limit to this length. Just be aware that it will consume memory. -# You can reclaim memory used by the slow log with SLOWLOG RESET. slowlog-max-len 128 - -############################### ADVANCED CONFIG ############################### - -# Hashes are encoded using a memory efficient data structure when they have a -# small number of entries, and the biggest entry does not exceed a given -# threshold. These thresholds can be configured using the following directives. hash-max-ziplist-entries 512 hash-max-ziplist-value 64 - -# Similarly to hashes, small lists are also encoded in a special way in order -# to save a lot of space. The special representation is only used when -# you are under the following limits: list-max-ziplist-entries 512 list-max-ziplist-value 64 - -# Sets have a special encoding in just one case: when a set is composed -# of just strings that happens to be integers in radix 10 in the range -# of 64 bit signed integers. -# The following configuration setting sets the limit in the size of the -# set in order to use this special memory saving encoding. set-max-intset-entries 512 - -# Similarly to hashes and lists, sorted sets are also specially encoded in -# order to save a lot of space. This encoding is only used when the length and -# elements of a sorted set are below the following limits: zset-max-ziplist-entries 128 zset-max-ziplist-value 64 - -# Active rehashing uses 1 millisecond every 100 milliseconds of CPU time in -# order to help rehashing the main Redis hash table (the one mapping top-level -# keys to values). The hash table implementation Redis uses (see dict.c) -# performs a lazy rehashing: the more operation you run into an hash table -# that is rehashing, the more rehashing "steps" are performed, so if the -# server is idle the rehashing is never complete and some more memory is used -# by the hash table. -# -# The default is to use this millisecond 10 times every second in order to -# active rehashing the main dictionaries, freeing memory when possible. -# -# If unsure: -# use "activerehashing no" if you have hard latency requirements and it is -# not a good thing in your environment that Redis can reply form time to time -# to queries with 2 milliseconds delay. -# -# use "activerehashing yes" if you don't have such hard requirements but -# want to free memory asap when possible. activerehashing yes - -# The client output buffer limits can be used to force disconnection of clients -# that are not reading data from the server fast enough for some reason (a -# common reason is that a Pub/Sub client can't consume messages as fast as the -# publisher can produce them). -# -# The limit can be set differently for the three different classes of clients: -# -# normal -> normal clients -# slave -> slave clients and MONITOR clients -# pubsub -> clients subcribed to at least one pubsub channel or pattern -# -# The syntax of every client-output-buffer-limit directive is the following: -# -# client-output-buffer-limit -# -# A client is immediately disconnected once the hard limit is reached, or if -# the soft limit is reached and remains reached for the specified number of -# seconds (continuously). -# So for instance if the hard limit is 32 megabytes and the soft limit is -# 16 megabytes / 10 seconds, the client will get disconnected immediately -# if the size of the output buffers reach 32 megabytes, but will also get -# disconnected if the client reaches 16 megabytes and continuously overcomes -# the limit for 10 seconds. -# -# By default normal clients are not limited because they don't receive data -# without asking (in a push way), but just after a request, so only -# asynchronous clients may create a scenario where data is requested faster -# than it can read. -# -# Instead there is a default limit for pubsub and slave clients, since -# subscribers and slaves receive data in a push fashion. -# -# Both the hard or the soft limit can be disabled just setting it to zero. client-output-buffer-limit normal 0 0 0 client-output-buffer-limit slave 256mb 64mb 60 client-output-buffer-limit pubsub 32mb 8mb 60 - -################################## INCLUDES ################################### - -# Include one or more other config files here. This is useful if you -# have a standard template that goes to all Redis server but also need -# to customize a few per-server settings. Include files can include -# other files, so use this wisely. -# -# include /path/to/local.conf -# include /path/to/other.conf - +ds:open 1 ds:create_if_missing 1 -ds:error_if_exists 0 +ds:error_if_exists 0 ds:paranoid_checks 0 -ds:ds_lru_cache 99999999 -ds:block_cache_size 99999999 -ds:write_buffer_size 999999 -ds:block_size 4096 -ds:max_open_files 4000 +ds:ds_lru_cache 500 +ds:write_buffer_size 64 +ds:block_size 32 +ds:max_open_files 1000 ds:block_restart_interval 16 -ds:path ./leveldb - +ds:path ./db/leveldb +rl:ttl 172800 +rl:ttlcheck 14400 \ No newline at end of file diff --git a/redis_storage.so.conf b/redis_storage.so.conf new file mode 100644 index 0000000..7ba1558 --- /dev/null +++ b/redis_storage.so.conf @@ -0,0 +1 @@ +/usr/local/lib \ No newline at end of file diff --git a/runtest b/runtest index 0eb384c..d8451df 100755 --- a/runtest +++ b/runtest @@ -1,9 +1,14 @@ #!/bin/sh -TCL=tclsh8.5 -which $TCL -if [ "$?" != "0" ] +TCL_VERSIONS="8.5 8.6" +TCLSH="" + +for VERSION in $TCL_VERSIONS; do + TCL=`which tclsh$VERSION 2>/dev/null` && TCLSH=$TCL +done + +if [ -z $TCLSH ] then - echo "You need '$TCL' in order to run the Redis test" + echo "You need tcl 8.5 or newer in order to run the Redis test" exit 1 fi -$TCL tests/test_helper.tcl $* +$TCLSH tests/test_helper.tcl $* diff --git a/sentinel.conf b/sentinel.conf index 94169ee..ac687b5 100644 --- a/sentinel.conf +++ b/sentinel.conf @@ -71,7 +71,7 @@ sentinel parallel-syncs mymaster 1 # Default is 15 minutes. sentinel failover-timeout mymaster 900000 -# SCRIPTS EXECTION +# SCRIPTS EXECUTION # # sentinel notification-script and sentinel reconfig-script are used in order # to configure scripts that are called to notify the system administrator diff --git a/src/.DS_Store b/src/.DS_Store new file mode 100644 index 0000000..4530e62 Binary files /dev/null and b/src/.DS_Store differ diff --git a/src/.make-settings b/src/.make-settings index 4ff736d..6474949 100644 --- a/src/.make-settings +++ b/src/.make-settings @@ -6,5 +6,5 @@ CFLAGS= LDFLAGS= REDIS_CFLAGS= REDIS_LDFLAGS= -PREV_FINAL_CFLAGS=-std=c99 -pedantic -Wall -O2 -g -rdynamic -ggdb -I../deps/hiredis -I../deps/linenoise -I../deps/lua/src -I../deps/leveldb-1.8.0/include -I../deps/gperftools-2.0/src -DUSE_TCMALLOC +PREV_FINAL_CFLAGS=-std=c99 -pedantic -Wall -O2 -g -rdynamic -ggdb -I../deps/hiredis -I../deps/linenoise -I../deps/lua/src -I../deps/leveldb-1.10.0/include -I../deps/gperftools-2.0/src -DUSE_TCMALLOC PREV_FINAL_LDFLAGS= -g -rdynamic -ggdb diff --git a/src/Makefile b/src/Makefile index 3c39377..0d91bfa 100644 --- a/src/Makefile +++ b/src/Makefile @@ -1,231 +1,234 @@ -# Redis Makefile -# Copyright (C) 2009 Salvatore Sanfilippo -# This file is released under the BSD license, see the COPYING file -# -# The Makefile composes the final FINAL_CFLAGS and FINAL_LDFLAGS using -# what is needed for Redis plus the standard CFLAGS and LDFLAGS passed. -# However when building the dependencies (Jemalloc, Lua, Hiredis, ...) -# CFLAGS and LDFLAGS are propagated to the dependencies, so to pass -# flags only to be used when compiling / linking Redis itself REDIS_CFLAGS -# and REDIS_LDFLAGS are used instead (this is the case of 'make gcov'). -# -# Dependencies are stored in the Makefile.dep file. To rebuild this file -# Just use 'make dep', but this is only needed by developers. - -release_hdr := $(shell sh -c './mkreleasehdr.sh') -uname_S := $(shell sh -c 'uname -s 2>/dev/null || echo not') -OPTIMIZATION?=-O2 -DEPENDENCY_TARGETS=hiredis linenoise lua - -# Default settings -STD= -std=c99 -pedantic -WARN= -Wall -OPT= $(OPTIMIZATION) - -# Default allocator -ifeq ($(uname_S),Linux) - MALLOC=jemalloc -else - MALLOC=libc -endif - -# Backwards compatibility for selecting an allocator -ifeq ($(USE_TCMALLOC),yes) - MALLOC=tcmalloc -endif - -ifeq ($(USE_TCMALLOC_MINIMAL),yes) - MALLOC=tcmalloc_minimal -endif - -ifeq ($(USE_JEMALLOC),yes) - MALLOC=jemalloc -endif - -# Override default settings if possible --include .make-settings - -ifeq ($(uname_S),SunOS) - FINAL_CFLAGS= $(STD) $(WARN) $(OPT) $(DEBUG) $(CFLAGS) $(REDIS_CFLAGS) -D__EXTENSIONS__ -D_XPG6 - FINAL_LDFLAGS= $(LDFLAGS) $(REDIS_LDFLAGS) -g -ggdb - FINAL_LIBS= -ldl -lnsl -lsocket -lm -lpthread - DEBUG= -g -ggdb -else - FINAL_CFLAGS= $(STD) $(WARN) $(OPT) $(DEBUG) $(CFLAGS) $(REDIS_CFLAGS) - FINAL_LDFLAGS= $(LDFLAGS) $(REDIS_LDFLAGS) -g -rdynamic -ggdb - FINAL_LIBS= -lm -pthread - DEBUG= -g -rdynamic -ggdb -endif - -# Include paths to dependencies -FINAL_CFLAGS+= -I../deps/hiredis -I../deps/linenoise -I../deps/lua/src -I../deps/leveldb-1.8.0/include -I../deps/gperftools-2.0/src - -ifeq ($(MALLOC),tcmalloc) - FINAL_CFLAGS+= -DUSE_TCMALLOC - FINAL_LIBS+= -ltcmalloc -endif - -ifeq ($(MALLOC),tcmalloc_minimal) - FINAL_CFLAGS+= -DUSE_TCMALLOC - FINAL_LIBS+= ../deps/gperftools-2.0/.libs/libtcmalloc_minimal.a -ldl -endif - -ifeq ($(MALLOC),jemalloc) - DEPENDENCY_TARGETS+= jemalloc - FINAL_CFLAGS+= -DUSE_JEMALLOC -I../deps/jemalloc/include - FINAL_LIBS+= ../deps/jemalloc/lib/libjemalloc.a -ldl -endif - -REDIS_CC=$(QUIET_CC)$(CC) $(FINAL_CFLAGS) -REDIS_LD=$(QUIET_LINK)$(CC) $(FINAL_LDFLAGS) -REDIS_INSTALL=$(QUIET_INSTALL)$(INSTALL) - -PREFIX?=/usr/local -INSTALL_BIN= $(PREFIX)/bin -INSTALL= cp -pf - -CCCOLOR="\033[34m" -LINKCOLOR="\033[34;1m" -SRCCOLOR="\033[33m" -BINCOLOR="\033[37;1m" -MAKECOLOR="\033[32;1m" -ENDCOLOR="\033[0m" - -ifndef V -QUIET_CC = @printf ' %b %b\n' $(CCCOLOR)CC$(ENDCOLOR) $(SRCCOLOR)$@$(ENDCOLOR) 1>&2; -QUIET_LINK = @printf ' %b %b\n' $(LINKCOLOR)LINK$(ENDCOLOR) $(BINCOLOR)$@$(ENDCOLOR) 1>&2; -QUIET_INSTALL = @printf ' %b %b\n' $(LINKCOLOR)INSTALL$(ENDCOLOR) $(BINCOLOR)$@$(ENDCOLOR) 1>&2; -endif - -REDIS_SERVER_NAME= redis-server -REDIS_SENTINEL_NAME= redis-sentinel -REDIS_SERVER_OBJ= ds.o strbuf.o lua_cmsgpack.o lua_cjson.o lua_struct.o adlist.o ae.o anet.o dict.o redis.o sds.o zmalloc.o lzf_c.o lzf_d.o pqsort.o zipmap.o sha1.o ziplist.o release.o networking.o util.o object.o db.o replication.o rdb.o t_string.o t_list.o t_set.o t_zset.o t_hash.o config.o aof.o pubsub.o multi.o debug.o sort.o intset.o syncio.o migrate.o endianconv.o slowlog.o scripting.o bio.o rio.o rand.o memtest.o crc64.o bitops.o sentinel.o -REDIS_CLI_NAME= redis-cli -REDIS_CLI_OBJ= anet.o sds.o adlist.o redis-cli.o zmalloc.o release.o anet.o ae.o -REDIS_BENCHMARK_NAME= redis-benchmark -REDIS_BENCHMARK_OBJ= ae.o anet.o redis-benchmark.o sds.o adlist.o zmalloc.o redis-benchmark.o -REDIS_CHECK_DUMP_NAME= redis-check-dump -REDIS_CHECK_DUMP_OBJ= redis-check-dump.o lzf_c.o lzf_d.o crc64.o -REDIS_CHECK_AOF_NAME= redis-check-aof -REDIS_CHECK_AOF_OBJ= redis-check-aof.o - -all: $(REDIS_SERVER_NAME) $(REDIS_SENTINEL_NAME) $(REDIS_CLI_NAME) $(REDIS_BENCHMARK_NAME) $(REDIS_CHECK_DUMP_NAME) $(REDIS_CHECK_AOF_NAME) - @echo "" - @echo "Hint: To run 'make test' is a good idea ;)" - @echo "" - -.PHONY: all - -# Deps (use make dep to generate this) -include Makefile.dep - -dep: - $(REDIS_CC) -MM *.c > Makefile.dep - -.PHONY: dep - -persist-settings: distclean - echo STD=$(STD) >> .make-settings - echo WARN=$(WARN) >> .make-settings - echo OPT=$(OPT) >> .make-settings - echo MALLOC=$(MALLOC) >> .make-settings - echo CFLAGS=$(CFLAGS) >> .make-settings - echo LDFLAGS=$(LDFLAGS) >> .make-settings - echo REDIS_CFLAGS=$(REDIS_CFLAGS) >> .make-settings - echo REDIS_LDFLAGS=$(REDIS_LDFLAGS) >> .make-settings - echo PREV_FINAL_CFLAGS=$(FINAL_CFLAGS) >> .make-settings - echo PREV_FINAL_LDFLAGS=$(FINAL_LDFLAGS) >> .make-settings - -(cd ../deps && $(MAKE) $(DEPENDENCY_TARGETS)) - -.PHONY: persist-settings - -# Prerequisites target -.make-prerequisites: - @touch $@ - -# Clean everything, persist settings and build dependencies if anything changed -ifneq ($(strip $(PREV_FINAL_CFLAGS)), $(strip $(FINAL_CFLAGS))) -.make-prerequisites: persist-settings -endif - -ifneq ($(strip $(PREV_FINAL_LDFLAGS)), $(strip $(FINAL_LDFLAGS))) -.make-prerequisites: persist-settings -endif - -# redis-server -$(REDIS_SERVER_NAME): $(REDIS_SERVER_OBJ) - $(REDIS_LD) -o $@ $^ ../deps/hiredis/libhiredis.a -lstdc++ -I../deps/lua/src ../deps/lua/src/libluajit.a -L../deps/leveldb-1.8.0 -lleveldb $(FINAL_LIBS) - -# redis-sentinel -$(REDIS_SENTINEL_NAME): $(REDIS_SERVER_NAME) - $(REDIS_INSTALL) $(REDIS_SERVER_NAME) $(REDIS_SENTINEL_NAME) - -# redis-cli -$(REDIS_CLI_NAME): $(REDIS_CLI_OBJ) - $(REDIS_LD) -o $@ $^ ../deps/hiredis/libhiredis.a -lstdc++ ../deps/linenoise/linenoise.o $(FINAL_LIBS) - -# redis-benchmark -$(REDIS_BENCHMARK_NAME): $(REDIS_BENCHMARK_OBJ) - $(REDIS_LD) -o $@ $^ ../deps/hiredis/libhiredis.a -lstdc++ $(FINAL_LIBS) - -# redis-check-dump -$(REDIS_CHECK_DUMP_NAME): $(REDIS_CHECK_DUMP_OBJ) - $(REDIS_LD) -o $@ $^ -lstdc++ $(FINAL_LIBS) - -# redis-check-aof -$(REDIS_CHECK_AOF_NAME): $(REDIS_CHECK_AOF_OBJ) - $(REDIS_LD) -o $@ $^ -lstdc++ $(FINAL_LIBS) - -# Because the jemalloc.h header is generated as a part of the jemalloc build, -# building it should complete before building any other object. Instead of -# depending on a single artifact, build all dependencies first. -%.o: %.c .make-prerequisites - $(REDIS_CC) -c $< - -clean: - rm -rf $(REDIS_SERVER_NAME) $(REDIS_SENTINEL_NAME) $(REDIS_CLI_NAME) $(REDIS_BENCHMARK_NAME) $(REDIS_CHECK_DUMP_NAME) $(REDIS_CHECK_AOF_NAME) *.o *.gcda *.gcno *.gcov redis.info lcov-html - -.PHONY: clean - -distclean: clean - -(cd ../deps && $(MAKE) distclean) - -(rm -f .make-*) - -.PHONY: distclean - -test: $(REDIS_SERVER_NAME) $(REDIS_CHECK_AOF_NAME) - @(cd ..; ./runtest) - -lcov: - $(MAKE) gcov - @(set -e; cd ..; ./runtest --clients 1) - @geninfo -o redis.info . - @genhtml --legend -o lcov-html redis.info - -.PHONY: lcov - -bench: $(REDIS_BENCHMARK_NAME) - ./$(REDIS_BENCHMARK_NAME) - -32bit: - @echo "" - @echo "WARNING: if it fails under Linux you probably need to install libc6-dev-i386" - @echo "" - $(MAKE) CFLAGS="-m32" LDFLAGS="-m32" - -gcov: - $(MAKE) REDIS_CFLAGS="-fprofile-arcs -ftest-coverage -DCOVERAGE_TEST" REDIS_LDFLAGS="-fprofile-arcs -ftest-coverage" - -noopt: - $(MAKE) OPT="-O0" - -src/help.h: - @../utils/generate-command-help.rb > help.h - -install: all - mkdir -p $(INSTALL_BIN) - $(REDIS_INSTALL) $(REDIS_SERVER_NAME) $(INSTALL_BIN) - $(REDIS_INSTALL) $(REDIS_BENCHMARK_NAME) $(INSTALL_BIN) - $(REDIS_INSTALL) $(REDIS_CLI_NAME) $(INSTALL_BIN) - $(REDIS_INSTALL) $(REDIS_CHECK_DUMP_NAME) $(INSTALL_BIN) - $(REDIS_INSTALL) $(REDIS_CHECK_AOF_NAME) $(INSTALL_BIN) +# Redis Makefile +# Copyright (C) 2009 Salvatore Sanfilippo +# This file is released under the BSD license, see the COPYING file +# +# The Makefile composes the final FINAL_CFLAGS and FINAL_LDFLAGS using +# what is needed for Redis plus the standard CFLAGS and LDFLAGS passed. +# However when building the dependencies (Jemalloc, Lua, Hiredis, ...) +# CFLAGS and LDFLAGS are propagated to the dependencies, so to pass +# flags only to be used when compiling / linking Redis itself REDIS_CFLAGS +# and REDIS_LDFLAGS are used instead (this is the case of 'make gcov'). +# +# Dependencies are stored in the Makefile.dep file. To rebuild this file +# Just use 'make dep', but this is only needed by developers. + +release_hdr := $(shell sh -c './mkreleasehdr.sh') +uname_S := $(shell sh -c 'uname -s 2>/dev/null || echo not') +OPTIMIZATION?=-O2 +DEPENDENCY_TARGETS=hiredis linenoise lua + +# Default settings +STD= -std=c99 -pedantic +WARN= -Wall +OPT= $(OPTIMIZATION) + +# Default allocator +ifeq ($(uname_S),Linux) + MALLOC=jemalloc +else + MALLOC=libc +endif + +# Backwards compatibility for selecting an allocator +ifeq ($(USE_TCMALLOC),yes) + MALLOC=tcmalloc +endif + +ifeq ($(USE_TCMALLOC_MINIMAL),yes) + MALLOC=tcmalloc_minimal +endif + +ifeq ($(USE_JEMALLOC),yes) + MALLOC=jemalloc +endif + +# Override default settings if possible +-include .make-settings + +ifeq ($(uname_S),SunOS) + FINAL_CFLAGS= $(STD) $(WARN) $(OPT) $(DEBUG) $(CFLAGS) $(REDIS_CFLAGS) -D__EXTENSIONS__ -D_XPG6 + FINAL_LDFLAGS= $(LDFLAGS) $(REDIS_LDFLAGS) -g -ggdb + FINAL_LIBS= -ldl -lnsl -lsocket -lm -lpthread + DEBUG= -g -ggdb +else + FINAL_CFLAGS= $(STD) $(WARN) $(OPT) $(DEBUG) $(CFLAGS) $(REDIS_CFLAGS) + FINAL_LDFLAGS= $(LDFLAGS) $(REDIS_LDFLAGS) -g -rdynamic -ggdb + FINAL_LIBS= -lm -pthread + DEBUG= -g -rdynamic -ggdb +endif + +# Include paths to dependencies +FINAL_CFLAGS+= -I../deps/hiredis -I../deps/linenoise -I../deps/lua/src -I../deps/leveldb-1.10.0/include -I../deps/gperftools-2.0/src + +ifeq ($(MALLOC),tcmalloc) + FINAL_CFLAGS+= -DUSE_TCMALLOC + FINAL_LIBS+= -ltcmalloc +endif + +ifeq ($(MALLOC),tcmalloc_minimal) + FINAL_CFLAGS+= -DUSE_TCMALLOC + FINAL_LIBS+= ../deps/gperftools-2.0/.libs/libtcmalloc_minimal.a -ldl +endif + +ifeq ($(MALLOC),jemalloc) + DEPENDENCY_TARGETS+= jemalloc + FINAL_CFLAGS+= -DUSE_JEMALLOC -I../deps/jemalloc/include + FINAL_LIBS+= ../deps/jemalloc/lib/libjemalloc.a -ldl +endif + +REDIS_CC=$(QUIET_CC)$(CC) $(FINAL_CFLAGS) +REDIS_LD=$(QUIET_LINK)$(CC) $(FINAL_LDFLAGS) +REDIS_INSTALL=$(QUIET_INSTALL)$(INSTALL) + +PREFIX?=/usr/local +INSTALL_BIN= $(PREFIX)/bin +INSTALL= cp -pf + +CCCOLOR="\033[34m" +LINKCOLOR="\033[34;1m" +SRCCOLOR="\033[33m" +BINCOLOR="\033[37;1m" +MAKECOLOR="\033[32;1m" +ENDCOLOR="\033[0m" + +ifndef V +QUIET_CC = @printf ' %b %b\n' $(CCCOLOR)CC$(ENDCOLOR) $(SRCCOLOR)$@$(ENDCOLOR) 1>&2; +QUIET_LINK = @printf ' %b %b\n' $(LINKCOLOR)LINK$(ENDCOLOR) $(BINCOLOR)$@$(ENDCOLOR) 1>&2; +QUIET_INSTALL = @printf ' %b %b\n' $(LINKCOLOR)INSTALL$(ENDCOLOR) $(BINCOLOR)$@$(ENDCOLOR) 1>&2; +endif + +REDIS_SERVER_NAME= redis-server +REDIS_SENTINEL_NAME= redis-sentinel +REDIS_SERVER_OBJ= ds.o strbuf.o lua_cmsgpack.o lua_cjson.o lua_struct.o adlist.o ae.o anet.o dict.o redis.o sds.o zmalloc.o lzf_c.o lzf_d.o pqsort.o zipmap.o sha1.o ziplist.o release.o networking.o util.o object.o db.o replication.o rdb.o t_string.o t_list.o t_set.o t_zset.o t_hash.o config.o aof.o pubsub.o multi.o debug.o sort.o intset.o syncio.o migrate.o endianconv.o slowlog.o scripting.o bio.o rio.o rand.o memtest.o crc64.o bitops.o sentinel.o +REDIS_CLI_NAME= redis-cli +REDIS_CLI_OBJ= anet.o sds.o adlist.o redis-cli.o zmalloc.o release.o anet.o ae.o +REDIS_BENCHMARK_NAME= redis-benchmark +REDIS_BENCHMARK_OBJ= ae.o anet.o redis-benchmark.o sds.o adlist.o zmalloc.o redis-benchmark.o +REDIS_CHECK_DUMP_NAME= redis-check-dump +REDIS_CHECK_DUMP_OBJ= redis-check-dump.o lzf_c.o lzf_d.o crc64.o +REDIS_CHECK_AOF_NAME= redis-check-aof +REDIS_CHECK_AOF_OBJ= redis-check-aof.o + +all: $(REDIS_SERVER_NAME) $(REDIS_SENTINEL_NAME) $(REDIS_CLI_NAME) $(REDIS_BENCHMARK_NAME) $(REDIS_CHECK_DUMP_NAME) $(REDIS_CHECK_AOF_NAME) + @echo "" + @echo "Hint: To run 'make test' is a good idea ;)" + @echo "" + +.PHONY: all + +# Deps (use make dep to generate this) +include Makefile.dep + +dep: + $(REDIS_CC) -MM *.c > Makefile.dep + +.PHONY: dep + +persist-settings: distclean + echo STD=$(STD) >> .make-settings + echo WARN=$(WARN) >> .make-settings + echo OPT=$(OPT) >> .make-settings + echo MALLOC=$(MALLOC) >> .make-settings + echo CFLAGS=$(CFLAGS) >> .make-settings + echo LDFLAGS=$(LDFLAGS) >> .make-settings + echo REDIS_CFLAGS=$(REDIS_CFLAGS) >> .make-settings + echo REDIS_LDFLAGS=$(REDIS_LDFLAGS) >> .make-settings + echo PREV_FINAL_CFLAGS=$(FINAL_CFLAGS) >> .make-settings + echo PREV_FINAL_LDFLAGS=$(FINAL_LDFLAGS) >> .make-settings + -(cd ../deps && $(MAKE) $(DEPENDENCY_TARGETS)) + +.PHONY: persist-settings + +# Prerequisites target +.make-prerequisites: + @touch $@ + +# Clean everything, persist settings and build dependencies if anything changed +ifneq ($(strip $(PREV_FINAL_CFLAGS)), $(strip $(FINAL_CFLAGS))) +.make-prerequisites: persist-settings +endif + +ifneq ($(strip $(PREV_FINAL_LDFLAGS)), $(strip $(FINAL_LDFLAGS))) +.make-prerequisites: persist-settings +endif + +# redis-server +$(REDIS_SERVER_NAME): $(REDIS_SERVER_OBJ) + $(REDIS_LD) -o $@ $^ ../deps/hiredis/libhiredis.a -lstdc++ -I../deps/lua/src ../deps/lua/src/libluajit.a -L../deps/leveldb-1.10.0 -lleveldb $(FINAL_LIBS) + +# redis-sentinel +$(REDIS_SENTINEL_NAME): $(REDIS_SERVER_NAME) + $(REDIS_INSTALL) $(REDIS_SERVER_NAME) $(REDIS_SENTINEL_NAME) + +# redis-cli +$(REDIS_CLI_NAME): $(REDIS_CLI_OBJ) + $(REDIS_LD) -o $@ $^ ../deps/hiredis/libhiredis.a -lstdc++ ../deps/linenoise/linenoise.o $(FINAL_LIBS) + +# redis-benchmark +$(REDIS_BENCHMARK_NAME): $(REDIS_BENCHMARK_OBJ) + $(REDIS_LD) -o $@ $^ ../deps/hiredis/libhiredis.a -lstdc++ $(FINAL_LIBS) + +# redis-check-dump +$(REDIS_CHECK_DUMP_NAME): $(REDIS_CHECK_DUMP_OBJ) + $(REDIS_LD) -o $@ $^ -lstdc++ $(FINAL_LIBS) + +# redis-check-aof +$(REDIS_CHECK_AOF_NAME): $(REDIS_CHECK_AOF_OBJ) + $(REDIS_LD) -o $@ $^ -lstdc++ $(FINAL_LIBS) + +# Because the jemalloc.h header is generated as a part of the jemalloc build, +# building it should complete before building any other object. Instead of +# depending on a single artifact, build all dependencies first. +%.o: %.c .make-prerequisites + $(REDIS_CC) -c $< + +clean: + rm -rf $(REDIS_SERVER_NAME) $(REDIS_SENTINEL_NAME) $(REDIS_CLI_NAME) $(REDIS_BENCHMARK_NAME) $(REDIS_CHECK_DUMP_NAME) $(REDIS_CHECK_AOF_NAME) *.o *.gcda *.gcno *.gcov redis.info lcov-html + +.PHONY: clean + +distclean: clean + -(cd ../deps && $(MAKE) distclean) + -(rm -f .make-*) + +.PHONY: distclean + +test: $(REDIS_SERVER_NAME) $(REDIS_CHECK_AOF_NAME) + @(cd ..; ./runtest) + +lcov: + $(MAKE) gcov + @(set -e; cd ..; ./runtest --clients 1) + @geninfo -o redis.info . + @genhtml --legend -o lcov-html redis.info + +.PHONY: lcov + +bench: $(REDIS_BENCHMARK_NAME) + ./$(REDIS_BENCHMARK_NAME) + +32bit: + @echo "" + @echo "WARNING: if it fails under Linux you probably need to install libc6-dev-i386" + @echo "" + $(MAKE) CFLAGS="-m32" LDFLAGS="-m32" + +gcov: + $(MAKE) REDIS_CFLAGS="-fprofile-arcs -ftest-coverage -DCOVERAGE_TEST" REDIS_LDFLAGS="-fprofile-arcs -ftest-coverage" + +noopt: + $(MAKE) OPTIMIZATION="-O0" + +valgrind: + $(MAKE) OPTIMIZATION="-O0" MALLOC="libc" + +src/help.h: + @../utils/generate-command-help.rb > help.h + +install: all + mkdir -p $(INSTALL_BIN) + $(REDIS_INSTALL) $(REDIS_SERVER_NAME) $(INSTALL_BIN) + $(REDIS_INSTALL) $(REDIS_BENCHMARK_NAME) $(INSTALL_BIN) + $(REDIS_INSTALL) $(REDIS_CLI_NAME) $(INSTALL_BIN) + $(REDIS_INSTALL) $(REDIS_CHECK_DUMP_NAME) $(INSTALL_BIN) + $(REDIS_INSTALL) $(REDIS_CHECK_AOF_NAME) $(INSTALL_BIN) diff --git a/src/Makefile.dep b/src/Makefile.dep index 5331189..10b9cb5 100644 --- a/src/Makefile.dep +++ b/src/Makefile.dep @@ -1,101 +1,110 @@ -adlist.o: adlist.c adlist.h zmalloc.h -ae.o: ae.c ae.h zmalloc.h config.h ae_kqueue.c -ae_epoll.o: ae_epoll.c -ae_kqueue.o: ae_kqueue.c -ae_select.o: ae_select.c -anet.o: anet.c fmacros.h anet.h -aof.o: aof.c redis.h fmacros.h config.h ../deps/lua/src/lua.h \ - ../deps/lua/src/luaconf.h ae.h sds.h dict.h adlist.h zmalloc.h anet.h \ - ziplist.h intset.h version.h util.h rdb.h rio.h bio.h -bio.o: bio.c redis.h fmacros.h config.h ../deps/lua/src/lua.h \ - ../deps/lua/src/luaconf.h ae.h sds.h dict.h adlist.h zmalloc.h anet.h \ - ziplist.h intset.h version.h util.h rdb.h rio.h bio.h -config.o: config.c redis.h fmacros.h config.h ../deps/lua/src/lua.h \ - ../deps/lua/src/luaconf.h ae.h sds.h dict.h adlist.h zmalloc.h anet.h \ - ziplist.h intset.h version.h util.h rdb.h rio.h -crc64.o: crc64.c -db.o: db.c redis.h fmacros.h config.h ../deps/lua/src/lua.h \ - ../deps/lua/src/luaconf.h ae.h sds.h dict.h adlist.h zmalloc.h anet.h \ - ziplist.h intset.h version.h util.h rdb.h rio.h -debug.o: debug.c redis.h fmacros.h config.h ../deps/lua/src/lua.h \ - ../deps/lua/src/luaconf.h ae.h sds.h dict.h adlist.h zmalloc.h anet.h \ - ziplist.h intset.h version.h util.h rdb.h rio.h sha1.h -dict.o: dict.c fmacros.h dict.h zmalloc.h -endianconv.o: endianconv.c -intset.o: intset.c intset.h zmalloc.h endianconv.h -lzf_c.o: lzf_c.c lzfP.h -lzf_d.o: lzf_d.c lzfP.h -memtest.o: memtest.c -migrate.o: migrate.c redis.h fmacros.h config.h ../deps/lua/src/lua.h \ - ../deps/lua/src/luaconf.h ae.h sds.h dict.h adlist.h zmalloc.h anet.h \ - ziplist.h intset.h version.h util.h rdb.h rio.h endianconv.h -multi.o: multi.c redis.h fmacros.h config.h ../deps/lua/src/lua.h \ - ../deps/lua/src/luaconf.h ae.h sds.h dict.h adlist.h zmalloc.h anet.h \ - ziplist.h intset.h version.h util.h rdb.h rio.h -networking.o: networking.c redis.h fmacros.h config.h \ - ../deps/lua/src/lua.h ../deps/lua/src/luaconf.h ae.h sds.h dict.h \ - adlist.h zmalloc.h anet.h ziplist.h intset.h version.h util.h rdb.h \ - rio.h -object.o: object.c redis.h fmacros.h config.h ../deps/lua/src/lua.h \ - ../deps/lua/src/luaconf.h ae.h sds.h dict.h adlist.h zmalloc.h anet.h \ - ziplist.h intset.h version.h util.h rdb.h rio.h -pqsort.o: pqsort.c -pubsub.o: pubsub.c redis.h fmacros.h config.h ../deps/lua/src/lua.h \ - ../deps/lua/src/luaconf.h ae.h sds.h dict.h adlist.h zmalloc.h anet.h \ - ziplist.h intset.h version.h util.h rdb.h rio.h -rand.o: rand.c -rdb.o: rdb.c redis.h fmacros.h config.h ../deps/lua/src/lua.h \ - ../deps/lua/src/luaconf.h ae.h sds.h dict.h adlist.h zmalloc.h anet.h \ - ziplist.h intset.h version.h util.h rdb.h rio.h lzf.h zipmap.h \ - endianconv.h -redis-benchmark.o: redis-benchmark.c fmacros.h ae.h \ - ../deps/hiredis/hiredis.h sds.h adlist.h zmalloc.h -redis-check-aof.o: redis-check-aof.c fmacros.h config.h -redis-check-dump.o: redis-check-dump.c lzf.h -redis-cli.o: redis-cli.c fmacros.h version.h ../deps/hiredis/hiredis.h \ - sds.h zmalloc.h ../deps/linenoise/linenoise.h help.h -redis.o: redis.c redis.h fmacros.h config.h ../deps/lua/src/lua.h \ - ../deps/lua/src/luaconf.h ae.h sds.h dict.h adlist.h zmalloc.h anet.h \ - ziplist.h intset.h version.h util.h rdb.h rio.h slowlog.h bio.h \ - asciilogo.h -release.o: release.c release.h -replication.o: replication.c redis.h fmacros.h config.h \ - ../deps/lua/src/lua.h ../deps/lua/src/luaconf.h ae.h sds.h dict.h \ - adlist.h zmalloc.h anet.h ziplist.h intset.h version.h util.h rdb.h \ - rio.h -rio.o: rio.c fmacros.h rio.h sds.h util.h -scripting.o: scripting.c redis.h fmacros.h config.h ../deps/lua/src/lua.h \ - ../deps/lua/src/luaconf.h ae.h sds.h dict.h adlist.h zmalloc.h anet.h \ - ziplist.h intset.h version.h util.h rdb.h rio.h sha1.h rand.h \ - ../deps/lua/src/lauxlib.h ../deps/lua/src/lua.h \ - ../deps/lua/src/lualib.h -sds.o: sds.c sds.h zmalloc.h -sha1.o: sha1.c sha1.h config.h -slowlog.o: slowlog.c redis.h fmacros.h config.h ../deps/lua/src/lua.h \ - ../deps/lua/src/luaconf.h ae.h sds.h dict.h adlist.h zmalloc.h anet.h \ - ziplist.h intset.h version.h util.h rdb.h rio.h slowlog.h -sort.o: sort.c redis.h fmacros.h config.h ../deps/lua/src/lua.h \ - ../deps/lua/src/luaconf.h ae.h sds.h dict.h adlist.h zmalloc.h anet.h \ - ziplist.h intset.h version.h util.h rdb.h rio.h pqsort.h -syncio.o: syncio.c redis.h fmacros.h config.h ../deps/lua/src/lua.h \ - ../deps/lua/src/luaconf.h ae.h sds.h dict.h adlist.h zmalloc.h anet.h \ - ziplist.h intset.h version.h util.h rdb.h rio.h -t_hash.o: t_hash.c redis.h fmacros.h config.h ../deps/lua/src/lua.h \ - ../deps/lua/src/luaconf.h ae.h sds.h dict.h adlist.h zmalloc.h anet.h \ - ziplist.h intset.h version.h util.h rdb.h rio.h -t_list.o: t_list.c redis.h fmacros.h config.h ../deps/lua/src/lua.h \ - ../deps/lua/src/luaconf.h ae.h sds.h dict.h adlist.h zmalloc.h anet.h \ - ziplist.h intset.h version.h util.h rdb.h rio.h -t_set.o: t_set.c redis.h fmacros.h config.h ../deps/lua/src/lua.h \ - ../deps/lua/src/luaconf.h ae.h sds.h dict.h adlist.h zmalloc.h anet.h \ - ziplist.h intset.h version.h util.h rdb.h rio.h -t_string.o: t_string.c redis.h fmacros.h config.h ../deps/lua/src/lua.h \ - ../deps/lua/src/luaconf.h ae.h sds.h dict.h adlist.h zmalloc.h anet.h \ - ziplist.h intset.h version.h util.h rdb.h rio.h -t_zset.o: t_zset.c redis.h fmacros.h config.h ../deps/lua/src/lua.h \ - ../deps/lua/src/luaconf.h ae.h sds.h dict.h adlist.h zmalloc.h anet.h \ - ziplist.h intset.h version.h util.h rdb.h rio.h -util.o: util.c fmacros.h util.h -ziplist.o: ziplist.c zmalloc.h util.h ziplist.h endianconv.h -zipmap.o: zipmap.c zmalloc.h endianconv.h -zmalloc.o: zmalloc.c config.h zmalloc.h +adlist.o: adlist.c adlist.h zmalloc.h +ae.o: ae.c ae.h zmalloc.h config.h ae_kqueue.c +ae_epoll.o: ae_epoll.c +ae_evport.o: ae_evport.c +ae_kqueue.o: ae_kqueue.c +ae_select.o: ae_select.c +anet.o: anet.c fmacros.h anet.h +aof.o: aof.c redis.h fmacros.h config.h ../deps/lua/src/lua.h \ + ../deps/lua/src/luaconf.h ae.h sds.h dict.h adlist.h zmalloc.h anet.h \ + ziplist.h intset.h version.h util.h rdb.h rio.h bio.h +bio.o: bio.c redis.h fmacros.h config.h ../deps/lua/src/lua.h \ + ../deps/lua/src/luaconf.h ae.h sds.h dict.h adlist.h zmalloc.h anet.h \ + ziplist.h intset.h version.h util.h rdb.h rio.h bio.h +bitops.o: bitops.c redis.h fmacros.h config.h ../deps/lua/src/lua.h \ + ../deps/lua/src/luaconf.h ae.h sds.h dict.h adlist.h zmalloc.h anet.h \ + ziplist.h intset.h version.h util.h rdb.h rio.h +config.o: config.c redis.h fmacros.h config.h ../deps/lua/src/lua.h \ + ../deps/lua/src/luaconf.h ae.h sds.h dict.h adlist.h zmalloc.h anet.h \ + ziplist.h intset.h version.h util.h rdb.h rio.h +crc64.o: crc64.c +db.o: db.c redis.h fmacros.h config.h ../deps/lua/src/lua.h \ + ../deps/lua/src/luaconf.h ae.h sds.h dict.h adlist.h zmalloc.h anet.h \ + ziplist.h intset.h version.h util.h rdb.h rio.h +debug.o: debug.c redis.h fmacros.h config.h ../deps/lua/src/lua.h \ + ../deps/lua/src/luaconf.h ae.h sds.h dict.h adlist.h zmalloc.h anet.h \ + ziplist.h intset.h version.h util.h rdb.h rio.h sha1.h +dict.o: dict.c fmacros.h dict.h zmalloc.h +endianconv.o: endianconv.c +intset.o: intset.c intset.h zmalloc.h endianconv.h config.h +lzf_c.o: lzf_c.c lzfP.h +lzf_d.o: lzf_d.c lzfP.h +memtest.o: memtest.c +migrate.o: migrate.c redis.h fmacros.h config.h ../deps/lua/src/lua.h \ + ../deps/lua/src/luaconf.h ae.h sds.h dict.h adlist.h zmalloc.h anet.h \ + ziplist.h intset.h version.h util.h rdb.h rio.h endianconv.h +multi.o: multi.c redis.h fmacros.h config.h ../deps/lua/src/lua.h \ + ../deps/lua/src/luaconf.h ae.h sds.h dict.h adlist.h zmalloc.h anet.h \ + ziplist.h intset.h version.h util.h rdb.h rio.h +networking.o: networking.c redis.h fmacros.h config.h \ + ../deps/lua/src/lua.h ../deps/lua/src/luaconf.h ae.h sds.h dict.h \ + adlist.h zmalloc.h anet.h ziplist.h intset.h version.h util.h rdb.h \ + rio.h +object.o: object.c redis.h fmacros.h config.h ../deps/lua/src/lua.h \ + ../deps/lua/src/luaconf.h ae.h sds.h dict.h adlist.h zmalloc.h anet.h \ + ziplist.h intset.h version.h util.h rdb.h rio.h +pqsort.o: pqsort.c +pubsub.o: pubsub.c redis.h fmacros.h config.h ../deps/lua/src/lua.h \ + ../deps/lua/src/luaconf.h ae.h sds.h dict.h adlist.h zmalloc.h anet.h \ + ziplist.h intset.h version.h util.h rdb.h rio.h +rand.o: rand.c +rdb.o: rdb.c redis.h fmacros.h config.h ../deps/lua/src/lua.h \ + ../deps/lua/src/luaconf.h ae.h sds.h dict.h adlist.h zmalloc.h anet.h \ + ziplist.h intset.h version.h util.h rdb.h rio.h lzf.h zipmap.h \ + endianconv.h +redis-benchmark.o: redis-benchmark.c fmacros.h ae.h \ + ../deps/hiredis/hiredis.h sds.h adlist.h zmalloc.h +redis-check-aof.o: redis-check-aof.c fmacros.h config.h +redis-check-dump.o: redis-check-dump.c lzf.h +redis-cli.o: redis-cli.c fmacros.h version.h ../deps/hiredis/hiredis.h \ + sds.h zmalloc.h ../deps/linenoise/linenoise.h help.h anet.h ae.h +redis.o: redis.c redis.h fmacros.h config.h ../deps/lua/src/lua.h \ + ../deps/lua/src/luaconf.h ae.h sds.h dict.h adlist.h zmalloc.h anet.h \ + ziplist.h intset.h version.h util.h rdb.h rio.h slowlog.h bio.h \ + asciilogo.h +release.o: release.c release.h +replication.o: replication.c redis.h fmacros.h config.h \ + ../deps/lua/src/lua.h ../deps/lua/src/luaconf.h ae.h sds.h dict.h \ + adlist.h zmalloc.h anet.h ziplist.h intset.h version.h util.h rdb.h \ + rio.h +rio.o: rio.c fmacros.h rio.h sds.h util.h +scripting.o: scripting.c redis.h fmacros.h config.h ../deps/lua/src/lua.h \ + ../deps/lua/src/luaconf.h ae.h sds.h dict.h adlist.h zmalloc.h anet.h \ + ziplist.h intset.h version.h util.h rdb.h rio.h sha1.h rand.h \ + ../deps/lua/src/lauxlib.h ../deps/lua/src/lua.h \ + ../deps/lua/src/lualib.h +sds.o: sds.c sds.h zmalloc.h +sentinel.o: sentinel.c redis.h fmacros.h config.h ../deps/lua/src/lua.h \ + ../deps/lua/src/luaconf.h ae.h sds.h dict.h adlist.h zmalloc.h anet.h \ + ziplist.h intset.h version.h util.h rdb.h rio.h \ + ../deps/hiredis/hiredis.h ../deps/hiredis/async.h \ + ../deps/hiredis/hiredis.h +sha1.o: sha1.c sha1.h config.h +slowlog.o: slowlog.c redis.h fmacros.h config.h ../deps/lua/src/lua.h \ + ../deps/lua/src/luaconf.h ae.h sds.h dict.h adlist.h zmalloc.h anet.h \ + ziplist.h intset.h version.h util.h rdb.h rio.h slowlog.h +sort.o: sort.c redis.h fmacros.h config.h ../deps/lua/src/lua.h \ + ../deps/lua/src/luaconf.h ae.h sds.h dict.h adlist.h zmalloc.h anet.h \ + ziplist.h intset.h version.h util.h rdb.h rio.h pqsort.h +syncio.o: syncio.c redis.h fmacros.h config.h ../deps/lua/src/lua.h \ + ../deps/lua/src/luaconf.h ae.h sds.h dict.h adlist.h zmalloc.h anet.h \ + ziplist.h intset.h version.h util.h rdb.h rio.h +t_hash.o: t_hash.c redis.h fmacros.h config.h ../deps/lua/src/lua.h \ + ../deps/lua/src/luaconf.h ae.h sds.h dict.h adlist.h zmalloc.h anet.h \ + ziplist.h intset.h version.h util.h rdb.h rio.h +t_list.o: t_list.c redis.h fmacros.h config.h ../deps/lua/src/lua.h \ + ../deps/lua/src/luaconf.h ae.h sds.h dict.h adlist.h zmalloc.h anet.h \ + ziplist.h intset.h version.h util.h rdb.h rio.h +t_set.o: t_set.c redis.h fmacros.h config.h ../deps/lua/src/lua.h \ + ../deps/lua/src/luaconf.h ae.h sds.h dict.h adlist.h zmalloc.h anet.h \ + ziplist.h intset.h version.h util.h rdb.h rio.h +t_string.o: t_string.c redis.h fmacros.h config.h ../deps/lua/src/lua.h \ + ../deps/lua/src/luaconf.h ae.h sds.h dict.h adlist.h zmalloc.h anet.h \ + ziplist.h intset.h version.h util.h rdb.h rio.h +t_zset.o: t_zset.c redis.h fmacros.h config.h ../deps/lua/src/lua.h \ + ../deps/lua/src/luaconf.h ae.h sds.h dict.h adlist.h zmalloc.h anet.h \ + ziplist.h intset.h version.h util.h rdb.h rio.h +util.o: util.c fmacros.h util.h +ziplist.o: ziplist.c zmalloc.h util.h ziplist.h endianconv.h config.h +zipmap.o: zipmap.c zmalloc.h endianconv.h config.h +zmalloc.o: zmalloc.c config.h zmalloc.h diff --git a/src/adlist.c b/src/adlist.c index e48957e..f075e1b 100644 --- a/src/adlist.c +++ b/src/adlist.c @@ -97,7 +97,7 @@ list *listAddNodeHead(list *list, void *value) return list; } -/* Add a new node to the list, to tail, contaning the specified 'value' +/* Add a new node to the list, to tail, containing the specified 'value' * pointer as value. * * On error, NULL is returned and no operation is performed (i.e. the @@ -308,7 +308,7 @@ listNode *listSearchKey(list *list, void *key) /* Return the element at the specified zero-based index * where 0 is the head, 1 is the element next to head * and so on. Negative integers are used in order to count - * from the tail, -1 is the last element, -2 the penultimante + * from the tail, -1 is the last element, -2 the penultimate * and so on. If the index is out of range NULL is returned. */ listNode *listIndex(list *list, long index) { listNode *n; @@ -330,7 +330,7 @@ void listRotate(list *list) { if (listLength(list) <= 1) return; - /* Detatch current tail */ + /* Detach current tail */ list->tail = tail->prev; list->tail->next = NULL; /* Move it as head */ diff --git a/src/ae.c b/src/ae.c index d2faed3..2fcb54f 100644 --- a/src/ae.c +++ b/src/ae.c @@ -1,431 +1,435 @@ -/* A simple event-driven programming library. Originally I wrote this code - * for the Jim's event-loop (Jim is a Tcl interpreter) but later translated - * it in form of a library for easy reuse. - * - * Copyright (c) 2006-2010, Salvatore Sanfilippo - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * * Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * * Neither the name of Redis nor the names of its contributors may be used - * to endorse or promote products derived from this software without - * specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -#include -#include -#include -#include -#include -#include -#include -#include - -#include "ae.h" -#include "zmalloc.h" -#include "config.h" - -/* Include the best multiplexing layer supported by this system. - * The following should be ordered by performances, descending. */ -#ifdef HAVE_EVPORT -#include "ae_evport.c" -#else - #ifdef HAVE_EPOLL - #include "ae_epoll.c" - #else - #ifdef HAVE_KQUEUE - #include "ae_kqueue.c" - #else - #include "ae_select.c" - #endif - #endif -#endif - -aeEventLoop *aeCreateEventLoop(int setsize) { - aeEventLoop *eventLoop; - int i; - - if ((eventLoop = zmalloc(sizeof(*eventLoop))) == NULL) goto err; - eventLoop->events = zmalloc(sizeof(aeFileEvent)*setsize); - eventLoop->fired = zmalloc(sizeof(aeFiredEvent)*setsize); - if (eventLoop->events == NULL || eventLoop->fired == NULL) goto err; - eventLoop->setsize = setsize; - eventLoop->lastTime = time(NULL); - eventLoop->timeEventHead = NULL; - eventLoop->timeEventNextId = 0; - eventLoop->stop = 0; - eventLoop->maxfd = -1; - eventLoop->beforesleep = NULL; - if (aeApiCreate(eventLoop) == -1) goto err; - /* Events with mask == AE_NONE are not set. So let's initialize the - * vector with it. */ - for (i = 0; i < setsize; i++) - eventLoop->events[i].mask = AE_NONE; - return eventLoop; - -err: - if (eventLoop) { - zfree(eventLoop->events); - zfree(eventLoop->fired); - zfree(eventLoop); - } - return NULL; -} - -void aeDeleteEventLoop(aeEventLoop *eventLoop) { - aeApiFree(eventLoop); - zfree(eventLoop->events); - zfree(eventLoop->fired); - zfree(eventLoop); -} - -void aeStop(aeEventLoop *eventLoop) { - eventLoop->stop = 1; -} - -int aeCreateFileEvent(aeEventLoop *eventLoop, int fd, int mask, - aeFileProc *proc, void *clientData) -{ - if (fd >= eventLoop->setsize) return AE_ERR; - aeFileEvent *fe = &eventLoop->events[fd]; - - if (aeApiAddEvent(eventLoop, fd, mask) == -1) - return AE_ERR; - fe->mask |= mask; - if (mask & AE_READABLE) fe->rfileProc = proc; - if (mask & AE_WRITABLE) fe->wfileProc = proc; - fe->clientData = clientData; - if (fd > eventLoop->maxfd) - eventLoop->maxfd = fd; - return AE_OK; -} - -void aeDeleteFileEvent(aeEventLoop *eventLoop, int fd, int mask) -{ - if (fd >= eventLoop->setsize) return; - aeFileEvent *fe = &eventLoop->events[fd]; - - if (fe->mask == AE_NONE) return; - fe->mask = fe->mask & (~mask); - if (fd == eventLoop->maxfd && fe->mask == AE_NONE) { - /* Update the max fd */ - int j; - - for (j = eventLoop->maxfd-1; j >= 0; j--) - if (eventLoop->events[j].mask != AE_NONE) break; - eventLoop->maxfd = j; - } - aeApiDelEvent(eventLoop, fd, mask); -} - -int aeGetFileEvents(aeEventLoop *eventLoop, int fd) { - if (fd >= eventLoop->setsize) return 0; - aeFileEvent *fe = &eventLoop->events[fd]; - - return fe->mask; -} - -static void aeGetTime(long *seconds, long *milliseconds) -{ - struct timeval tv; - - gettimeofday(&tv, NULL); - *seconds = tv.tv_sec; - *milliseconds = tv.tv_usec/1000; -} - -static void aeAddMillisecondsToNow(long long milliseconds, long *sec, long *ms) { - long cur_sec, cur_ms, when_sec, when_ms; - - aeGetTime(&cur_sec, &cur_ms); - when_sec = cur_sec + milliseconds/1000; - when_ms = cur_ms + milliseconds%1000; - if (when_ms >= 1000) { - when_sec ++; - when_ms -= 1000; - } - *sec = when_sec; - *ms = when_ms; -} - -long long aeCreateTimeEvent(aeEventLoop *eventLoop, long long milliseconds, - aeTimeProc *proc, void *clientData, - aeEventFinalizerProc *finalizerProc) -{ - long long id = eventLoop->timeEventNextId++; - aeTimeEvent *te; - - te = zmalloc(sizeof(*te)); - if (te == NULL) return AE_ERR; - te->id = id; - aeAddMillisecondsToNow(milliseconds,&te->when_sec,&te->when_ms); - te->timeProc = proc; - te->finalizerProc = finalizerProc; - te->clientData = clientData; - te->next = eventLoop->timeEventHead; - eventLoop->timeEventHead = te; - return id; -} - -int aeDeleteTimeEvent(aeEventLoop *eventLoop, long long id) -{ - aeTimeEvent *te, *prev = NULL; - - te = eventLoop->timeEventHead; - while(te) { - if (te->id == id) { - if (prev == NULL) - eventLoop->timeEventHead = te->next; - else - prev->next = te->next; - if (te->finalizerProc) - te->finalizerProc(eventLoop, te->clientData); - zfree(te); - return AE_OK; - } - prev = te; - te = te->next; - } - return AE_ERR; /* NO event with the specified ID found */ -} - -/* Search the first timer to fire. - * This operation is useful to know how many time the select can be - * put in sleep without to delay any event. - * If there are no timers NULL is returned. - * - * Note that's O(N) since time events are unsorted. - * Possible optimizations (not needed by Redis so far, but...): - * 1) Insert the event in order, so that the nearest is just the head. - * Much better but still insertion or deletion of timers is O(N). - * 2) Use a skiplist to have this operation as O(1) and insertion as O(log(N)). - */ -static aeTimeEvent *aeSearchNearestTimer(aeEventLoop *eventLoop) -{ - aeTimeEvent *te = eventLoop->timeEventHead; - aeTimeEvent *nearest = NULL; - - while(te) { - if (!nearest || te->when_sec < nearest->when_sec || - (te->when_sec == nearest->when_sec && - te->when_ms < nearest->when_ms)) - nearest = te; - te = te->next; - } - return nearest; -} - -/* Process time events */ -static int processTimeEvents(aeEventLoop *eventLoop) { - int processed = 0; - aeTimeEvent *te; - long long maxId; - time_t now = time(NULL); - - /* If the system clock is moved to the future, and then set back to the - * right value, time events may be delayed in a random way. Often this - * means that scheduled operations will not be performed soon enough. - * - * Here we try to detect system clock skews, and force all the time - * events to be processed ASAP when this happens: the idea is that - * processing events earlier is less dangerous than delaying them - * indefinitely, and practice suggests it is. */ - if (now < eventLoop->lastTime) { - te = eventLoop->timeEventHead; - while(te) { - te->when_sec = 0; - te = te->next; - } - } - eventLoop->lastTime = now; - - te = eventLoop->timeEventHead; - maxId = eventLoop->timeEventNextId-1; - while(te) { - long now_sec, now_ms; - long long id; - - if (te->id > maxId) { - te = te->next; - continue; - } - aeGetTime(&now_sec, &now_ms); - if (now_sec > te->when_sec || - (now_sec == te->when_sec && now_ms >= te->when_ms)) - { - int retval; - - id = te->id; - retval = te->timeProc(eventLoop, id, te->clientData); - processed++; - /* After an event is processed our time event list may - * no longer be the same, so we restart from head. - * Still we make sure to don't process events registered - * by event handlers itself in order to don't loop forever. - * To do so we saved the max ID we want to handle. - * - * FUTURE OPTIMIZATIONS: - * Note that this is NOT great algorithmically. Redis uses - * a single time event so it's not a problem but the right - * way to do this is to add the new elements on head, and - * to flag deleted elements in a special way for later - * deletion (putting references to the nodes to delete into - * another linked list). */ - if (retval != AE_NOMORE) { - aeAddMillisecondsToNow(retval,&te->when_sec,&te->when_ms); - } else { - aeDeleteTimeEvent(eventLoop, id); - } - te = eventLoop->timeEventHead; - } else { - te = te->next; - } - } - return processed; -} - -/* Process every pending time event, then every pending file event - * (that may be registered by time event callbacks just processed). - * Without special flags the function sleeps until some file event - * fires, or when the next time event occurrs (if any). - * - * If flags is 0, the function does nothing and returns. - * if flags has AE_ALL_EVENTS set, all the kind of events are processed. - * if flags has AE_FILE_EVENTS set, file events are processed. - * if flags has AE_TIME_EVENTS set, time events are processed. - * if flags has AE_DONT_WAIT set the function returns ASAP until all - * the events that's possible to process without to wait are processed. - * - * The function returns the number of events processed. */ -int aeProcessEvents(aeEventLoop *eventLoop, int flags) -{ - int processed = 0, numevents; - - /* Nothing to do? return ASAP */ - if (!(flags & AE_TIME_EVENTS) && !(flags & AE_FILE_EVENTS)) return 0; - - /* Note that we want call select() even if there are no - * file events to process as long as we want to process time - * events, in order to sleep until the next time event is ready - * to fire. */ - if (eventLoop->maxfd != -1 || - ((flags & AE_TIME_EVENTS) && !(flags & AE_DONT_WAIT))) { - int j; - aeTimeEvent *shortest = NULL; - struct timeval tv, *tvp; - - if (flags & AE_TIME_EVENTS && !(flags & AE_DONT_WAIT)) - shortest = aeSearchNearestTimer(eventLoop); - if (shortest) { - long now_sec, now_ms; - - /* Calculate the time missing for the nearest - * timer to fire. */ - aeGetTime(&now_sec, &now_ms); - tvp = &tv; - tvp->tv_sec = shortest->when_sec - now_sec; - if (shortest->when_ms < now_ms) { - tvp->tv_usec = ((shortest->when_ms+1000) - now_ms)*1000; - tvp->tv_sec --; - } else { - tvp->tv_usec = (shortest->when_ms - now_ms)*1000; - } - if (tvp->tv_sec < 0) tvp->tv_sec = 0; - if (tvp->tv_usec < 0) tvp->tv_usec = 0; - } else { - /* If we have to check for events but need to return - * ASAP because of AE_DONT_WAIT we need to se the timeout - * to zero */ - if (flags & AE_DONT_WAIT) { - tv.tv_sec = tv.tv_usec = 0; - tvp = &tv; - } else { - /* Otherwise we can block */ - tvp = NULL; /* wait forever */ - } - } - - numevents = aeApiPoll(eventLoop, tvp); - for (j = 0; j < numevents; j++) { - aeFileEvent *fe = &eventLoop->events[eventLoop->fired[j].fd]; - int mask = eventLoop->fired[j].mask; - int fd = eventLoop->fired[j].fd; - int rfired = 0; - - /* note the fe->mask & mask & ... code: maybe an already processed - * event removed an element that fired and we still didn't - * processed, so we check if the event is still valid. */ - if (fe->mask & mask & AE_READABLE) { - rfired = 1; - fe->rfileProc(eventLoop,fd,fe->clientData,mask); - } - if (fe->mask & mask & AE_WRITABLE) { - if (!rfired || fe->wfileProc != fe->rfileProc) - fe->wfileProc(eventLoop,fd,fe->clientData,mask); - } - processed++; - } - } - /* Check time events */ - if (flags & AE_TIME_EVENTS) - processed += processTimeEvents(eventLoop); - - return processed; /* return the number of processed file/time events */ -} - -/* Wait for millseconds until the given file descriptor becomes - * writable/readable/exception */ -int aeWait(int fd, int mask, long long milliseconds) { - struct pollfd pfd; - int retmask = 0, retval; - - memset(&pfd, 0, sizeof(pfd)); - pfd.fd = fd; - if (mask & AE_READABLE) pfd.events |= POLLIN; - if (mask & AE_WRITABLE) pfd.events |= POLLOUT; - - if ((retval = poll(&pfd, 1, milliseconds))== 1) { - if (pfd.revents & POLLIN) retmask |= AE_READABLE; - if (pfd.revents & POLLOUT) retmask |= AE_WRITABLE; - if (pfd.revents & POLLERR) retmask |= AE_WRITABLE; - if (pfd.revents & POLLHUP) retmask |= AE_WRITABLE; - return retmask; - } else { - return retval; - } -} - -void aeMain(aeEventLoop *eventLoop) { - eventLoop->stop = 0; - while (!eventLoop->stop) { - if (eventLoop->beforesleep != NULL) - eventLoop->beforesleep(eventLoop); - aeProcessEvents(eventLoop, AE_ALL_EVENTS); - } -} - -char *aeGetApiName(void) { - return aeApiName(); -} - -void aeSetBeforeSleepProc(aeEventLoop *eventLoop, aeBeforeSleepProc *beforesleep) { - eventLoop->beforesleep = beforesleep; -} +/* A simple event-driven programming library. Originally I wrote this code + * for the Jim's event-loop (Jim is a Tcl interpreter) but later translated + * it in form of a library for easy reuse. + * + * Copyright (c) 2006-2010, Salvatore Sanfilippo + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of Redis nor the names of its contributors may be used + * to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "ae.h" +#include "zmalloc.h" +#include "config.h" + +/* Include the best multiplexing layer supported by this system. + * The following should be ordered by performances, descending. */ +#ifdef HAVE_EVPORT +#include "ae_evport.c" +#else + #ifdef HAVE_EPOLL + #include "ae_epoll.c" + #else + #ifdef HAVE_KQUEUE + #include "ae_kqueue.c" + #else + #include "ae_select.c" + #endif + #endif +#endif + +aeEventLoop *aeCreateEventLoop(int setsize) { + aeEventLoop *eventLoop; + int i; + + if ((eventLoop = zmalloc(sizeof(*eventLoop))) == NULL) goto err; + eventLoop->events = zmalloc(sizeof(aeFileEvent)*setsize); + eventLoop->fired = zmalloc(sizeof(aeFiredEvent)*setsize); + if (eventLoop->events == NULL || eventLoop->fired == NULL) goto err; + eventLoop->setsize = setsize; + eventLoop->lastTime = time(NULL); + eventLoop->timeEventHead = NULL; + eventLoop->timeEventNextId = 0; + eventLoop->stop = 0; + eventLoop->maxfd = -1; + eventLoop->beforesleep = NULL; + if (aeApiCreate(eventLoop) == -1) goto err; + /* Events with mask == AE_NONE are not set. So let's initialize the + * vector with it. */ + for (i = 0; i < setsize; i++) + eventLoop->events[i].mask = AE_NONE; + return eventLoop; + +err: + if (eventLoop) { + zfree(eventLoop->events); + zfree(eventLoop->fired); + zfree(eventLoop); + } + return NULL; +} + +void aeDeleteEventLoop(aeEventLoop *eventLoop) { + aeApiFree(eventLoop); + zfree(eventLoop->events); + zfree(eventLoop->fired); + zfree(eventLoop); +} + +void aeStop(aeEventLoop *eventLoop) { + eventLoop->stop = 1; +} + +int aeCreateFileEvent(aeEventLoop *eventLoop, int fd, int mask, + aeFileProc *proc, void *clientData) +{ + if (fd >= eventLoop->setsize) { + errno = ERANGE; + return AE_ERR; + } + aeFileEvent *fe = &eventLoop->events[fd]; + + if (aeApiAddEvent(eventLoop, fd, mask) == -1) + return AE_ERR; + fe->mask |= mask; + if (mask & AE_READABLE) fe->rfileProc = proc; + if (mask & AE_WRITABLE) fe->wfileProc = proc; + fe->clientData = clientData; + if (fd > eventLoop->maxfd) + eventLoop->maxfd = fd; + return AE_OK; +} + +void aeDeleteFileEvent(aeEventLoop *eventLoop, int fd, int mask) +{ + if (fd >= eventLoop->setsize) return; + aeFileEvent *fe = &eventLoop->events[fd]; + + if (fe->mask == AE_NONE) return; + fe->mask = fe->mask & (~mask); + if (fd == eventLoop->maxfd && fe->mask == AE_NONE) { + /* Update the max fd */ + int j; + + for (j = eventLoop->maxfd-1; j >= 0; j--) + if (eventLoop->events[j].mask != AE_NONE) break; + eventLoop->maxfd = j; + } + aeApiDelEvent(eventLoop, fd, mask); +} + +int aeGetFileEvents(aeEventLoop *eventLoop, int fd) { + if (fd >= eventLoop->setsize) return 0; + aeFileEvent *fe = &eventLoop->events[fd]; + + return fe->mask; +} + +static void aeGetTime(long *seconds, long *milliseconds) +{ + struct timeval tv; + + gettimeofday(&tv, NULL); + *seconds = tv.tv_sec; + *milliseconds = tv.tv_usec/1000; +} + +static void aeAddMillisecondsToNow(long long milliseconds, long *sec, long *ms) { + long cur_sec, cur_ms, when_sec, when_ms; + + aeGetTime(&cur_sec, &cur_ms); + when_sec = cur_sec + milliseconds/1000; + when_ms = cur_ms + milliseconds%1000; + if (when_ms >= 1000) { + when_sec ++; + when_ms -= 1000; + } + *sec = when_sec; + *ms = when_ms; +} + +long long aeCreateTimeEvent(aeEventLoop *eventLoop, long long milliseconds, + aeTimeProc *proc, void *clientData, + aeEventFinalizerProc *finalizerProc) +{ + long long id = eventLoop->timeEventNextId++; + aeTimeEvent *te; + + te = zmalloc(sizeof(*te)); + if (te == NULL) return AE_ERR; + te->id = id; + aeAddMillisecondsToNow(milliseconds,&te->when_sec,&te->when_ms); + te->timeProc = proc; + te->finalizerProc = finalizerProc; + te->clientData = clientData; + te->next = eventLoop->timeEventHead; + eventLoop->timeEventHead = te; + return id; +} + +int aeDeleteTimeEvent(aeEventLoop *eventLoop, long long id) +{ + aeTimeEvent *te, *prev = NULL; + + te = eventLoop->timeEventHead; + while(te) { + if (te->id == id) { + if (prev == NULL) + eventLoop->timeEventHead = te->next; + else + prev->next = te->next; + if (te->finalizerProc) + te->finalizerProc(eventLoop, te->clientData); + zfree(te); + return AE_OK; + } + prev = te; + te = te->next; + } + return AE_ERR; /* NO event with the specified ID found */ +} + +/* Search the first timer to fire. + * This operation is useful to know how many time the select can be + * put in sleep without to delay any event. + * If there are no timers NULL is returned. + * + * Note that's O(N) since time events are unsorted. + * Possible optimizations (not needed by Redis so far, but...): + * 1) Insert the event in order, so that the nearest is just the head. + * Much better but still insertion or deletion of timers is O(N). + * 2) Use a skiplist to have this operation as O(1) and insertion as O(log(N)). + */ +static aeTimeEvent *aeSearchNearestTimer(aeEventLoop *eventLoop) +{ + aeTimeEvent *te = eventLoop->timeEventHead; + aeTimeEvent *nearest = NULL; + + while(te) { + if (!nearest || te->when_sec < nearest->when_sec || + (te->when_sec == nearest->when_sec && + te->when_ms < nearest->when_ms)) + nearest = te; + te = te->next; + } + return nearest; +} + +/* Process time events */ +static int processTimeEvents(aeEventLoop *eventLoop) { + int processed = 0; + aeTimeEvent *te; + long long maxId; + time_t now = time(NULL); + + /* If the system clock is moved to the future, and then set back to the + * right value, time events may be delayed in a random way. Often this + * means that scheduled operations will not be performed soon enough. + * + * Here we try to detect system clock skews, and force all the time + * events to be processed ASAP when this happens: the idea is that + * processing events earlier is less dangerous than delaying them + * indefinitely, and practice suggests it is. */ + if (now < eventLoop->lastTime) { + te = eventLoop->timeEventHead; + while(te) { + te->when_sec = 0; + te = te->next; + } + } + eventLoop->lastTime = now; + + te = eventLoop->timeEventHead; + maxId = eventLoop->timeEventNextId-1; + while(te) { + long now_sec, now_ms; + long long id; + + if (te->id > maxId) { + te = te->next; + continue; + } + aeGetTime(&now_sec, &now_ms); + if (now_sec > te->when_sec || + (now_sec == te->when_sec && now_ms >= te->when_ms)) + { + int retval; + + id = te->id; + retval = te->timeProc(eventLoop, id, te->clientData); + processed++; + /* After an event is processed our time event list may + * no longer be the same, so we restart from head. + * Still we make sure to don't process events registered + * by event handlers itself in order to don't loop forever. + * To do so we saved the max ID we want to handle. + * + * FUTURE OPTIMIZATIONS: + * Note that this is NOT great algorithmically. Redis uses + * a single time event so it's not a problem but the right + * way to do this is to add the new elements on head, and + * to flag deleted elements in a special way for later + * deletion (putting references to the nodes to delete into + * another linked list). */ + if (retval != AE_NOMORE) { + aeAddMillisecondsToNow(retval,&te->when_sec,&te->when_ms); + } else { + aeDeleteTimeEvent(eventLoop, id); + } + te = eventLoop->timeEventHead; + } else { + te = te->next; + } + } + return processed; +} + +/* Process every pending time event, then every pending file event + * (that may be registered by time event callbacks just processed). + * Without special flags the function sleeps until some file event + * fires, or when the next time event occurs (if any). + * + * If flags is 0, the function does nothing and returns. + * if flags has AE_ALL_EVENTS set, all the kind of events are processed. + * if flags has AE_FILE_EVENTS set, file events are processed. + * if flags has AE_TIME_EVENTS set, time events are processed. + * if flags has AE_DONT_WAIT set the function returns ASAP until all + * the events that's possible to process without to wait are processed. + * + * The function returns the number of events processed. */ +int aeProcessEvents(aeEventLoop *eventLoop, int flags) +{ + int processed = 0, numevents; + + /* Nothing to do? return ASAP */ + if (!(flags & AE_TIME_EVENTS) && !(flags & AE_FILE_EVENTS)) return 0; + + /* Note that we want call select() even if there are no + * file events to process as long as we want to process time + * events, in order to sleep until the next time event is ready + * to fire. */ + if (eventLoop->maxfd != -1 || + ((flags & AE_TIME_EVENTS) && !(flags & AE_DONT_WAIT))) { + int j; + aeTimeEvent *shortest = NULL; + struct timeval tv, *tvp; + + if (flags & AE_TIME_EVENTS && !(flags & AE_DONT_WAIT)) + shortest = aeSearchNearestTimer(eventLoop); + if (shortest) { + long now_sec, now_ms; + + /* Calculate the time missing for the nearest + * timer to fire. */ + aeGetTime(&now_sec, &now_ms); + tvp = &tv; + tvp->tv_sec = shortest->when_sec - now_sec; + if (shortest->when_ms < now_ms) { + tvp->tv_usec = ((shortest->when_ms+1000) - now_ms)*1000; + tvp->tv_sec --; + } else { + tvp->tv_usec = (shortest->when_ms - now_ms)*1000; + } + if (tvp->tv_sec < 0) tvp->tv_sec = 0; + if (tvp->tv_usec < 0) tvp->tv_usec = 0; + } else { + /* If we have to check for events but need to return + * ASAP because of AE_DONT_WAIT we need to set the timeout + * to zero */ + if (flags & AE_DONT_WAIT) { + tv.tv_sec = tv.tv_usec = 0; + tvp = &tv; + } else { + /* Otherwise we can block */ + tvp = NULL; /* wait forever */ + } + } + + numevents = aeApiPoll(eventLoop, tvp); + for (j = 0; j < numevents; j++) { + aeFileEvent *fe = &eventLoop->events[eventLoop->fired[j].fd]; + int mask = eventLoop->fired[j].mask; + int fd = eventLoop->fired[j].fd; + int rfired = 0; + + /* note the fe->mask & mask & ... code: maybe an already processed + * event removed an element that fired and we still didn't + * processed, so we check if the event is still valid. */ + if (fe->mask & mask & AE_READABLE) { + rfired = 1; + fe->rfileProc(eventLoop,fd,fe->clientData,mask); + } + if (fe->mask & mask & AE_WRITABLE) { + if (!rfired || fe->wfileProc != fe->rfileProc) + fe->wfileProc(eventLoop,fd,fe->clientData,mask); + } + processed++; + } + } + /* Check time events */ + if (flags & AE_TIME_EVENTS) + processed += processTimeEvents(eventLoop); + + return processed; /* return the number of processed file/time events */ +} + +/* Wait for milliseconds until the given file descriptor becomes + * writable/readable/exception */ +int aeWait(int fd, int mask, long long milliseconds) { + struct pollfd pfd; + int retmask = 0, retval; + + memset(&pfd, 0, sizeof(pfd)); + pfd.fd = fd; + if (mask & AE_READABLE) pfd.events |= POLLIN; + if (mask & AE_WRITABLE) pfd.events |= POLLOUT; + + if ((retval = poll(&pfd, 1, milliseconds))== 1) { + if (pfd.revents & POLLIN) retmask |= AE_READABLE; + if (pfd.revents & POLLOUT) retmask |= AE_WRITABLE; + if (pfd.revents & POLLERR) retmask |= AE_WRITABLE; + if (pfd.revents & POLLHUP) retmask |= AE_WRITABLE; + return retmask; + } else { + return retval; + } +} + +void aeMain(aeEventLoop *eventLoop) { + eventLoop->stop = 0; + while (!eventLoop->stop) { + if (eventLoop->beforesleep != NULL) + eventLoop->beforesleep(eventLoop); + aeProcessEvents(eventLoop, AE_ALL_EVENTS); + } +} + +char *aeGetApiName(void) { + return aeApiName(); +} + +void aeSetBeforeSleepProc(aeEventLoop *eventLoop, aeBeforeSleepProc *beforesleep) { + eventLoop->beforesleep = beforesleep; +} diff --git a/src/ae_evport.c b/src/ae_evport.c index 0196dcc..94413c1 100644 --- a/src/ae_evport.c +++ b/src/ae_evport.c @@ -50,15 +50,15 @@ static int evport_debug = 0; * aeApiPoll, the corresponding file descriptors become dissociated from the * port. This is necessary because poll events are level-triggered, so if the * fd didn't become dissociated, it would immediately fire another event since - * the underlying state hasn't changed yet. We must reassociate the file + * the underlying state hasn't changed yet. We must re-associate the file * descriptor, but only after we know that our caller has actually read from it. * The ae API does not tell us exactly when that happens, but we do know that * it must happen by the time aeApiPoll is called again. Our solution is to - * keep track of the last fds returned by aeApiPoll and reassociate them next + * keep track of the last fds returned by aeApiPoll and re-associate them next * time aeApiPoll is invoked. * * To summarize, in this module, each fd association is EITHER (a) represented - * only via the in-kernel assocation OR (b) represented by pending_fds and + * only via the in-kernel association OR (b) represented by pending_fds and * pending_masks. (b) is only true for the last fds we returned from aeApiPoll, * and only until we enter aeApiPoll again (at which point we restore the * in-kernel association). @@ -164,7 +164,7 @@ static int aeApiAddEvent(aeEventLoop *eventLoop, int fd, int mask) { * This fd was recently returned from aeApiPoll. It should be safe to * assume that the consumer has processed that poll event, but we play * it safer by simply updating pending_mask. The fd will be - * reassociated as usual when aeApiPoll is called again. + * re-associated as usual when aeApiPoll is called again. */ if (evport_debug) fprintf(stderr, "aeApiAddEvent: adding to pending fd %d\n", fd); @@ -228,7 +228,7 @@ static void aeApiDelEvent(aeEventLoop *eventLoop, int fd, int mask) { * ENOMEM is a potentially transient condition, but the kernel won't * generally return it unless things are really bad. EAGAIN indicates * we've reached an resource limit, for which it doesn't make sense to - * retry (counterintuitively). All other errors indicate a bug. In any + * retry (counter-intuitively). All other errors indicate a bug. In any * of these cases, the best we can do is to abort. */ abort(); /* will not return */ @@ -243,7 +243,7 @@ static int aeApiPoll(aeEventLoop *eventLoop, struct timeval *tvp) { port_event_t event[MAX_EVENT_BATCHSZ]; /* - * If we've returned fd events before, we must reassociate them with the + * If we've returned fd events before, we must re-associate them with the * port now, before calling port_get(). See the block comment at the top of * this file for an explanation of why. */ diff --git a/src/anet.c b/src/anet.c index ae8e9a6..963b668 100644 --- a/src/anet.c +++ b/src/anet.c @@ -61,7 +61,7 @@ int anetNonBlock(char *err, int fd) { int flags; - /* Set the socket nonblocking. + /* Set the socket non-blocking. * Note that fcntl(2) for F_GETFL and F_SETFL can't be * interrupted by a signal. */ if ((flags = fcntl(fd, F_GETFL)) == -1) { @@ -75,10 +75,56 @@ int anetNonBlock(char *err, int fd) return ANET_OK; } -int anetTcpNoDelay(char *err, int fd) +/* Set TCP keep alive option to detect dead peers. The interval option + * is only used for Linux as we are using Linux-specific APIs to set + * the probe send time, interval, and count. */ +int anetKeepAlive(char *err, int fd, int interval) { - int yes = 1; - if (setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, &yes, sizeof(yes)) == -1) + int val = 1; + + if (setsockopt(fd, SOL_SOCKET, SO_KEEPALIVE, &val, sizeof(val)) == -1) + { + anetSetError(err, "setsockopt SO_KEEPALIVE: %s", strerror(errno)); + return ANET_ERR; + } + +#ifdef __linux__ + /* Default settings are more or less garbage, with the keepalive time + * set to 7200 by default on Linux. Modify settings to make the feature + * actually useful. */ + + /* Send first probe after interval. */ + val = interval; + if (setsockopt(fd, IPPROTO_TCP, TCP_KEEPIDLE, &val, sizeof(val)) < 0) { + anetSetError(err, "setsockopt TCP_KEEPIDLE: %s\n", strerror(errno)); + return ANET_ERR; + } + + /* Send next probes after the specified interval. Note that we set the + * delay as interval / 3, as we send three probes before detecting + * an error (see the next setsockopt call). */ + val = interval/3; + if (val == 0) val = 1; + if (setsockopt(fd, IPPROTO_TCP, TCP_KEEPINTVL, &val, sizeof(val)) < 0) { + anetSetError(err, "setsockopt TCP_KEEPINTVL: %s\n", strerror(errno)); + return ANET_ERR; + } + + /* Consider the socket in error state after three we send three ACK + * probes without getting a reply. */ + val = 3; + if (setsockopt(fd, IPPROTO_TCP, TCP_KEEPCNT, &val, sizeof(val)) < 0) { + anetSetError(err, "setsockopt TCP_KEEPCNT: %s\n", strerror(errno)); + return ANET_ERR; + } +#endif + + return ANET_OK; +} + +static int anetSetTcpNoDelay(char *err, int fd, int val) +{ + if (setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, &val, sizeof(val)) == -1) { anetSetError(err, "setsockopt TCP_NODELAY: %s", strerror(errno)); return ANET_ERR; @@ -86,6 +132,17 @@ int anetTcpNoDelay(char *err, int fd) return ANET_OK; } +int anetEnableTcpNoDelay(char *err, int fd) +{ + return anetSetTcpNoDelay(err, fd, 1); +} + +int anetDisableTcpNoDelay(char *err, int fd) +{ + return anetSetTcpNoDelay(err, fd, 0); +} + + int anetSetSendBuffer(char *err, int fd, int buffsize) { if (setsockopt(fd, SOL_SOCKET, SO_SNDBUF, &buffsize, sizeof(buffsize)) == -1) @@ -132,7 +189,7 @@ static int anetCreateSocket(char *err, int domain) { return ANET_ERR; } - /* Make sure connection-intensive things like the redis benckmark + /* Make sure connection-intensive things like the redis benchmark * will be able to close/open sockets a zillion of times */ if (setsockopt(s, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on)) == -1) { anetSetError(err, "setsockopt SO_REUSEADDR: %s", strerror(errno)); diff --git a/src/anet.h b/src/anet.h index 062b22c..696c2c2 100644 --- a/src/anet.h +++ b/src/anet.h @@ -51,8 +51,10 @@ int anetTcpAccept(char *err, int serversock, char *ip, int *port); int anetUnixAccept(char *err, int serversock); int anetWrite(int fd, char *buf, int count); int anetNonBlock(char *err, int fd); -int anetTcpNoDelay(char *err, int fd); +int anetEnableTcpNoDelay(char *err, int fd); +int anetDisableTcpNoDelay(char *err, int fd); int anetTcpKeepAlive(char *err, int fd); int anetPeerToString(int fd, char *ip, int *port); +int anetKeepAlive(char *err, int fd, int interval); #endif diff --git a/src/aof.c b/src/aof.c index 6289e4d..8cd0a45 100644 --- a/src/aof.c +++ b/src/aof.c @@ -1,1172 +1,1176 @@ -/* - * Copyright (c) 2009-2012, Salvatore Sanfilippo - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * * Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * * Neither the name of Redis nor the names of its contributors may be used - * to endorse or promote products derived from this software without - * specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -#include "redis.h" -#include "bio.h" -#include "rio.h" - -#include -#include -#include -#include -#include -#include -#include - -void aofUpdateCurrentSize(void); - -/* ---------------------------------------------------------------------------- - * AOF rewrite buffer implementation. - * - * The following code implement a simple buffer used in order to accumulate - * changes while the background process is rewriting the AOF file. - * - * We only need to append, but can't just use realloc with a large block - * because 'huge' reallocs are not always handled as one could expect - * (via remapping of pages at OS level) but may involve copying data. - * - * For this reason we use a list of blocks, every block is - * AOF_RW_BUF_BLOCK_SIZE bytes. - * ------------------------------------------------------------------------- */ - -#define AOF_RW_BUF_BLOCK_SIZE (1024*1024*10) /* 10 MB per block */ - -typedef struct aofrwblock { - unsigned long used, free; - char buf[AOF_RW_BUF_BLOCK_SIZE]; -} aofrwblock; - -/* This function free the old AOF rewrite buffer if needed, and initialize - * a fresh new one. It tests for server.aof_rewrite_buf_blocks equal to NULL - * so can be used for the first initialization as well. */ -void aofRewriteBufferReset(void) { - if (server.aof_rewrite_buf_blocks) - listRelease(server.aof_rewrite_buf_blocks); - - server.aof_rewrite_buf_blocks = listCreate(); - listSetFreeMethod(server.aof_rewrite_buf_blocks,zfree); -} - -/* Return the current size of the AOF rerwite buffer. */ -unsigned long aofRewriteBufferSize(void) { - listNode *ln = listLast(server.aof_rewrite_buf_blocks); - aofrwblock *block = ln ? ln->value : NULL; - - if (block == NULL) return 0; - unsigned long size = - (listLength(server.aof_rewrite_buf_blocks)-1) * AOF_RW_BUF_BLOCK_SIZE; - size += block->used; - return size; -} - -/* Append data to the AOF rewrite buffer, allocating new blocks if needed. */ -void aofRewriteBufferAppend(unsigned char *s, unsigned long len) { - listNode *ln = listLast(server.aof_rewrite_buf_blocks); - aofrwblock *block = ln ? ln->value : NULL; - - while(len) { - /* If we already got at least an allocated block, try appending - * at least some piece into it. */ - if (block) { - unsigned long thislen = (block->free < len) ? block->free : len; - if (thislen) { /* The current block is not already full. */ - memcpy(block->buf+block->used, s, thislen); - block->used += thislen; - block->free -= thislen; - s += thislen; - len -= thislen; - } - } - - if (len) { /* First block to allocate, or need another block. */ - int numblocks; - - block = zmalloc(sizeof(*block)); - block->free = AOF_RW_BUF_BLOCK_SIZE; - block->used = 0; - listAddNodeTail(server.aof_rewrite_buf_blocks,block); - - /* Log every time we cross more 10 or 100 blocks, respectively - * as a notice or warning. */ - numblocks = listLength(server.aof_rewrite_buf_blocks); - if (((numblocks+1) % 10) == 0) { - int level = ((numblocks+1) % 100) == 0 ? REDIS_WARNING : - REDIS_NOTICE; - redisLog(level,"Background AOF buffer size: %lu MB", - aofRewriteBufferSize()/(1024*1024)); - } - } - } -} - -/* Write the buffer (possibly composed of multiple blocks) into the specified - * fd. If no short write or any other error happens -1 is returned, - * otherwise the number of bytes written is returned. */ -ssize_t aofRewriteBufferWrite(int fd) { - listNode *ln; - listIter li; - ssize_t count = 0; - - listRewind(server.aof_rewrite_buf_blocks,&li); - while((ln = listNext(&li))) { - aofrwblock *block = listNodeValue(ln); - ssize_t nwritten; - - if (block->used) { - nwritten = write(fd,block->buf,block->used); - if (nwritten != block->used) { - if (nwritten == 0) errno = EIO; - return -1; - } - count += nwritten; - } - } - return count; -} - -/* ---------------------------------------------------------------------------- - * AOF file implementation - * ------------------------------------------------------------------------- */ - -/* Starts a background task that performs fsync() against the specified - * file descriptor (the one of the AOF file) in another thread. */ -void aof_background_fsync(int fd) { - bioCreateBackgroundJob(REDIS_BIO_AOF_FSYNC,(void*)(long)fd,NULL,NULL); -} - -/* Called when the user switches from "appendonly yes" to "appendonly no" - * at runtime using the CONFIG command. */ -void stopAppendOnly(void) { - redisAssert(server.aof_state != REDIS_AOF_OFF); - flushAppendOnlyFile(1); - aof_fsync(server.aof_fd); - close(server.aof_fd); - - server.aof_fd = -1; - server.aof_selected_db = -1; - server.aof_state = REDIS_AOF_OFF; - /* rewrite operation in progress? kill it, wait child exit */ - if (server.aof_child_pid != -1) { - int statloc; - - redisLog(REDIS_NOTICE,"Killing running AOF rewrite child: %ld", - (long) server.aof_child_pid); - if (kill(server.aof_child_pid,SIGKILL) != -1) - wait3(&statloc,0,NULL); - /* reset the buffer accumulating changes while the child saves */ - aofRewriteBufferReset(); - aofRemoveTempFile(server.aof_child_pid); - server.aof_child_pid = -1; - server.aof_rewrite_time_start = -1; - } -} - -/* Called when the user switches from "appendonly no" to "appendonly yes" - * at runtime using the CONFIG command. */ -int startAppendOnly(void) { - server.aof_last_fsync = server.unixtime; - server.aof_fd = open(server.aof_filename,O_WRONLY|O_APPEND|O_CREAT,0644); - redisAssert(server.aof_state == REDIS_AOF_OFF); - if (server.aof_fd == -1) { - redisLog(REDIS_WARNING,"Redis needs to enable the AOF but can't open the append only file: %s",strerror(errno)); - return REDIS_ERR; - } - if (rewriteAppendOnlyFileBackground() == REDIS_ERR) { - close(server.aof_fd); - redisLog(REDIS_WARNING,"Redis needs to enable the AOF but can't trigger a background AOF rewrite operation. Check the above logs for more info about the error."); - return REDIS_ERR; - } - /* We correctly switched on AOF, now wait for the rerwite to be complete - * in order to append data on disk. */ - server.aof_state = REDIS_AOF_WAIT_REWRITE; - return REDIS_OK; -} - -/* Write the append only file buffer on disk. - * - * Since we are required to write the AOF before replying to the client, - * and the only way the client socket can get a write is entering when the - * the event loop, we accumulate all the AOF writes in a memory - * buffer and write it on disk using this function just before entering - * the event loop again. - * - * About the 'force' argument: - * - * When the fsync policy is set to 'everysec' we may delay the flush if there - * is still an fsync() going on in the background thread, since for instance - * on Linux write(2) will be blocked by the background fsync anyway. - * When this happens we remember that there is some aof buffer to be - * flushed ASAP, and will try to do that in the serverCron() function. - * - * However if force is set to 1 we'll write regardless of the background - * fsync. */ -void flushAppendOnlyFile(int force) { - ssize_t nwritten; - int sync_in_progress = 0; - - if (sdslen(server.aof_buf) == 0) return; - - if (server.aof_fsync == AOF_FSYNC_EVERYSEC) - sync_in_progress = bioPendingJobsOfType(REDIS_BIO_AOF_FSYNC) != 0; - - if (server.aof_fsync == AOF_FSYNC_EVERYSEC && !force) { - /* With this append fsync policy we do background fsyncing. - * If the fsync is still in progress we can try to delay - * the write for a couple of seconds. */ - if (sync_in_progress) { - if (server.aof_flush_postponed_start == 0) { - /* No previous write postponinig, remember that we are - * postponing the flush and return. */ - server.aof_flush_postponed_start = server.unixtime; - return; - } else if (server.unixtime - server.aof_flush_postponed_start < 2) { - /* We were already waiting for fsync to finish, but for less - * than two seconds this is still ok. Postpone again. */ - return; - } - /* Otherwise fall trough, and go write since we can't wait - * over two seconds. */ - server.aof_delayed_fsync++; - redisLog(REDIS_NOTICE,"Asynchronous AOF fsync is taking too long (disk is busy?). Writing the AOF buffer without waiting for fsync to complete, this may slow down Redis."); - } - } - /* If you are following this code path, then we are going to write so - * set reset the postponed flush sentinel to zero. */ - server.aof_flush_postponed_start = 0; - - /* We want to perform a single write. This should be guaranteed atomic - * at least if the filesystem we are writing is a real physical one. - * While this will save us against the server being killed I don't think - * there is much to do about the whole server stopping for power problems - * or alike */ - nwritten = write(server.aof_fd,server.aof_buf,sdslen(server.aof_buf)); - if (nwritten != (signed)sdslen(server.aof_buf)) { - /* Ooops, we are in troubles. The best thing to do for now is - * aborting instead of giving the illusion that everything is - * working as expected. */ - if (nwritten == -1) { - redisLog(REDIS_WARNING,"Exiting on error writing to the append-only file: %s",strerror(errno)); - } else { - redisLog(REDIS_WARNING,"Exiting on short write while writing to " - "the append-only file: %s (nwritten=%ld, " - "expected=%ld)", - strerror(errno), - (long)nwritten, - (long)sdslen(server.aof_buf)); - - if (ftruncate(server.aof_fd, server.aof_current_size) == -1) { - redisLog(REDIS_WARNING, "Could not remove short write " - "from the append-only file. Redis may refuse " - "to load the AOF the next time it starts. " - "ftruncate: %s", strerror(errno)); - } - } - exit(1); - } - server.aof_current_size += nwritten; - - /* Re-use AOF buffer when it is small enough. The maximum comes from the - * arena size of 4k minus some overhead (but is otherwise arbitrary). */ - if ((sdslen(server.aof_buf)+sdsavail(server.aof_buf)) < 4000) { - sdsclear(server.aof_buf); - } else { - sdsfree(server.aof_buf); - server.aof_buf = sdsempty(); - } - - /* Don't fsync if no-appendfsync-on-rewrite is set to yes and there are - * children doing I/O in the background. */ - if (server.aof_no_fsync_on_rewrite && - (server.aof_child_pid != -1 || server.rdb_child_pid != -1)) - return; - - /* Perform the fsync if needed. */ - if (server.aof_fsync == AOF_FSYNC_ALWAYS) { - /* aof_fsync is defined as fdatasync() for Linux in order to avoid - * flushing metadata. */ - aof_fsync(server.aof_fd); /* Let's try to get this data on the disk */ - server.aof_last_fsync = server.unixtime; - } else if ((server.aof_fsync == AOF_FSYNC_EVERYSEC && - server.unixtime > server.aof_last_fsync)) { - if (!sync_in_progress) aof_background_fsync(server.aof_fd); - server.aof_last_fsync = server.unixtime; - } -} - -sds catAppendOnlyGenericCommand(sds dst, int argc, robj **argv) { - char buf[32]; - int len, j; - robj *o; - - buf[0] = '*'; - len = 1+ll2string(buf+1,sizeof(buf)-1,argc); - buf[len++] = '\r'; - buf[len++] = '\n'; - dst = sdscatlen(dst,buf,len); - - for (j = 0; j < argc; j++) { - o = getDecodedObject(argv[j]); - buf[0] = '$'; - len = 1+ll2string(buf+1,sizeof(buf)-1,sdslen(o->ptr)); - buf[len++] = '\r'; - buf[len++] = '\n'; - dst = sdscatlen(dst,buf,len); - dst = sdscatlen(dst,o->ptr,sdslen(o->ptr)); - dst = sdscatlen(dst,"\r\n",2); - decrRefCount(o); - } - return dst; -} - -/* Create the sds representation of an PEXPIREAT command, using - * 'seconds' as time to live and 'cmd' to understand what command - * we are translating into a PEXPIREAT. - * - * This command is used in order to translate EXPIRE and PEXPIRE commands - * into PEXPIREAT command so that we retain precision in the append only - * file, and the time is always absolute and not relative. */ -sds catAppendOnlyExpireAtCommand(sds buf, struct redisCommand *cmd, robj *key, robj *seconds) { - long long when; - robj *argv[3]; - - /* Make sure we can use strtol */ - seconds = getDecodedObject(seconds); - when = strtoll(seconds->ptr,NULL,10); - /* Convert argument into milliseconds for EXPIRE, SETEX, EXPIREAT */ - if (cmd->proc == expireCommand || cmd->proc == setexCommand || - cmd->proc == expireatCommand) - { - when *= 1000; - } - /* Convert into absolute time for EXPIRE, PEXPIRE, SETEX, PSETEX */ - if (cmd->proc == expireCommand || cmd->proc == pexpireCommand || - cmd->proc == setexCommand || cmd->proc == psetexCommand) - { - when += mstime(); - } - decrRefCount(seconds); - - argv[0] = createStringObject("PEXPIREAT",9); - argv[1] = key; - argv[2] = createStringObjectFromLongLong(when); - buf = catAppendOnlyGenericCommand(buf, 3, argv); - decrRefCount(argv[0]); - decrRefCount(argv[2]); - return buf; -} - -void feedAppendOnlyFile(struct redisCommand *cmd, int dictid, robj **argv, int argc) { - sds buf = sdsempty(); - robj *tmpargv[3]; - - /* The DB this command was targetting is not the same as the last command - * we appendend. To issue a SELECT command is needed. */ - if (dictid != server.aof_selected_db) { - char seldb[64]; - - snprintf(seldb,sizeof(seldb),"%d",dictid); - buf = sdscatprintf(buf,"*2\r\n$6\r\nSELECT\r\n$%lu\r\n%s\r\n", - (unsigned long)strlen(seldb),seldb); - server.aof_selected_db = dictid; - } - - if (cmd->proc == expireCommand || cmd->proc == pexpireCommand || - cmd->proc == expireatCommand) { - /* Translate EXPIRE/PEXPIRE/EXPIREAT into PEXPIREAT */ - buf = catAppendOnlyExpireAtCommand(buf,cmd,argv[1],argv[2]); - } else if (cmd->proc == setexCommand || cmd->proc == psetexCommand) { - /* Translate SETEX/PSETEX to SET and PEXPIREAT */ - tmpargv[0] = createStringObject("SET",3); - tmpargv[1] = argv[1]; - tmpargv[2] = argv[3]; - buf = catAppendOnlyGenericCommand(buf,3,tmpargv); - decrRefCount(tmpargv[0]); - buf = catAppendOnlyExpireAtCommand(buf,cmd,argv[1],argv[2]); - } else { - /* All the other commands don't need translation or need the - * same translation already operated in the command vector - * for the replication itself. */ - buf = catAppendOnlyGenericCommand(buf,argc,argv); - } - - /* Append to the AOF buffer. This will be flushed on disk just before - * of re-entering the event loop, so before the client will get a - * positive reply about the operation performed. */ - if (server.aof_state == REDIS_AOF_ON) - server.aof_buf = sdscatlen(server.aof_buf,buf,sdslen(buf)); - - /* If a background append only file rewriting is in progress we want to - * accumulate the differences between the child DB and the current one - * in a buffer, so that when the child process will do its work we - * can append the differences to the new append only file. */ - if (server.aof_child_pid != -1) - aofRewriteBufferAppend((unsigned char*)buf,sdslen(buf)); - - sdsfree(buf); -} - -/* ---------------------------------------------------------------------------- - * AOF loading - * ------------------------------------------------------------------------- */ - -/* In Redis commands are always executed in the context of a client, so in - * order to load the append only file we need to create a fake client. */ -struct redisClient *createFakeClient(void) { - struct redisClient *c = zmalloc(sizeof(*c)); - - selectDb(c,0); - c->fd = -1; - c->querybuf = sdsempty(); - c->querybuf_peak = 0; - c->argc = 0; - c->argv = NULL; - c->bufpos = 0; - c->flags = 0; - /* We set the fake client as a slave waiting for the synchronization - * so that Redis will not try to send replies to this client. */ - c->replstate = REDIS_REPL_WAIT_BGSAVE_START; - c->reply = listCreate(); - c->reply_bytes = 0; - c->obuf_soft_limit_reached_time = 0; - c->watched_keys = listCreate(); - listSetFreeMethod(c->reply,decrRefCount); - listSetDupMethod(c->reply,dupClientReplyValue); - initClientMultiState(c); - return c; -} - -void freeFakeClient(struct redisClient *c) { - sdsfree(c->querybuf); - listRelease(c->reply); - listRelease(c->watched_keys); - freeClientMultiState(c); - zfree(c); -} - -/* Replay the append log file. On error REDIS_OK is returned. On non fatal - * error (the append only file is zero-length) REDIS_ERR is returned. On - * fatal error an error message is logged and the program exists. */ -int loadAppendOnlyFile(char *filename) { - struct redisClient *fakeClient; - FILE *fp = fopen(filename,"r"); - struct redis_stat sb; - int old_aof_state = server.aof_state; - long loops = 0; - - if (fp && redis_fstat(fileno(fp),&sb) != -1 && sb.st_size == 0) { - server.aof_current_size = 0; - fclose(fp); - return REDIS_ERR; - } - - if (fp == NULL) { - redisLog(REDIS_WARNING,"Fatal error: can't open the append log file for reading: %s",strerror(errno)); - exit(1); - } - - /* Temporarily disable AOF, to prevent EXEC from feeding a MULTI - * to the same file we're about to read. */ - server.aof_state = REDIS_AOF_OFF; - - fakeClient = createFakeClient(); - startLoading(fp); - - while(1) { - int argc, j; - unsigned long len; - robj **argv; - char buf[128]; - sds argsds; - struct redisCommand *cmd; - - /* Serve the clients from time to time */ - if (!(loops++ % 1000)) { - loadingProgress(ftello(fp)); - aeProcessEvents(server.el, AE_FILE_EVENTS|AE_DONT_WAIT); - } - - if (fgets(buf,sizeof(buf),fp) == NULL) { - if (feof(fp)) - break; - else - goto readerr; - } - if (buf[0] != '*') goto fmterr; - argc = atoi(buf+1); - if (argc < 1) goto fmterr; - - argv = zmalloc(sizeof(robj*)*argc); - for (j = 0; j < argc; j++) { - if (fgets(buf,sizeof(buf),fp) == NULL) goto readerr; - if (buf[0] != '$') goto fmterr; - len = strtol(buf+1,NULL,10); - argsds = sdsnewlen(NULL,len); - if (len && fread(argsds,len,1,fp) == 0) goto fmterr; - argv[j] = createObject(REDIS_STRING,argsds); - if (fread(buf,2,1,fp) == 0) goto fmterr; /* discard CRLF */ - } - - /* Command lookup */ - cmd = lookupCommand(argv[0]->ptr); - if (!cmd) { - redisLog(REDIS_WARNING,"Unknown command '%s' reading the append only file", argv[0]->ptr); - exit(1); - } - /* Run the command in the context of a fake client */ - fakeClient->argc = argc; - fakeClient->argv = argv; - cmd->proc(fakeClient); - - /* The fake client should not have a reply */ - redisAssert(fakeClient->bufpos == 0 && listLength(fakeClient->reply) == 0); - /* The fake client should never get blocked */ - redisAssert((fakeClient->flags & REDIS_BLOCKED) == 0); - - /* Clean up. Command code may have changed argv/argc so we use the - * argv/argc of the client instead of the local variables. */ - for (j = 0; j < fakeClient->argc; j++) - decrRefCount(fakeClient->argv[j]); - zfree(fakeClient->argv); - } - - /* This point can only be reached when EOF is reached without errors. - * If the client is in the middle of a MULTI/EXEC, log error and quit. */ - if (fakeClient->flags & REDIS_MULTI) goto readerr; - - fclose(fp); - freeFakeClient(fakeClient); - server.aof_state = old_aof_state; - stopLoading(); - aofUpdateCurrentSize(); - server.aof_rewrite_base_size = server.aof_current_size; - return REDIS_OK; - -readerr: - if (feof(fp)) { - redisLog(REDIS_WARNING,"Unexpected end of file reading the append only file"); - } else { - redisLog(REDIS_WARNING,"Unrecoverable error reading the append only file: %s", strerror(errno)); - } - exit(1); -fmterr: - redisLog(REDIS_WARNING,"Bad file format reading the append only file: make a backup of your AOF file, then use ./redis-check-aof --fix "); - exit(1); -} - -/* ---------------------------------------------------------------------------- - * AOF rewrite - * ------------------------------------------------------------------------- */ - -/* Delegate writing an object to writing a bulk string or bulk long long. - * This is not placed in rio.c since that adds the redis.h dependency. */ -int rioWriteBulkObject(rio *r, robj *obj) { - /* Avoid using getDecodedObject to help copy-on-write (we are often - * in a child process when this function is called). */ - if (obj->encoding == REDIS_ENCODING_INT) { - return rioWriteBulkLongLong(r,(long)obj->ptr); - } else if (obj->encoding == REDIS_ENCODING_RAW) { - return rioWriteBulkString(r,obj->ptr,sdslen(obj->ptr)); - } else { - redisPanic("Unknown string encoding"); - } -} - -/* Emit the commands needed to rebuild a list object. - * The function returns 0 on error, 1 on success. */ -int rewriteListObject(rio *r, robj *key, robj *o) { - long long count = 0, items = listTypeLength(o); - - if (o->encoding == REDIS_ENCODING_ZIPLIST) { - unsigned char *zl = o->ptr; - unsigned char *p = ziplistIndex(zl,0); - unsigned char *vstr; - unsigned int vlen; - long long vlong; - - while(ziplistGet(p,&vstr,&vlen,&vlong)) { - if (count == 0) { - int cmd_items = (items > REDIS_AOF_REWRITE_ITEMS_PER_CMD) ? - REDIS_AOF_REWRITE_ITEMS_PER_CMD : items; - - if (rioWriteBulkCount(r,'*',2+cmd_items) == 0) return 0; - if (rioWriteBulkString(r,"RPUSH",5) == 0) return 0; - if (rioWriteBulkObject(r,key) == 0) return 0; - } - if (vstr) { - if (rioWriteBulkString(r,(char*)vstr,vlen) == 0) return 0; - } else { - if (rioWriteBulkLongLong(r,vlong) == 0) return 0; - } - p = ziplistNext(zl,p); - if (++count == REDIS_AOF_REWRITE_ITEMS_PER_CMD) count = 0; - items--; - } - } else if (o->encoding == REDIS_ENCODING_LINKEDLIST) { - list *list = o->ptr; - listNode *ln; - listIter li; - - listRewind(list,&li); - while((ln = listNext(&li))) { - robj *eleobj = listNodeValue(ln); - - if (count == 0) { - int cmd_items = (items > REDIS_AOF_REWRITE_ITEMS_PER_CMD) ? - REDIS_AOF_REWRITE_ITEMS_PER_CMD : items; - - if (rioWriteBulkCount(r,'*',2+cmd_items) == 0) return 0; - if (rioWriteBulkString(r,"RPUSH",5) == 0) return 0; - if (rioWriteBulkObject(r,key) == 0) return 0; - } - if (rioWriteBulkObject(r,eleobj) == 0) return 0; - if (++count == REDIS_AOF_REWRITE_ITEMS_PER_CMD) count = 0; - items--; - } - } else { - redisPanic("Unknown list encoding"); - } - return 1; -} - -/* Emit the commands needed to rebuild a set object. - * The function returns 0 on error, 1 on success. */ -int rewriteSetObject(rio *r, robj *key, robj *o) { - long long count = 0, items = setTypeSize(o); - - if (o->encoding == REDIS_ENCODING_INTSET) { - int ii = 0; - int64_t llval; - - while(intsetGet(o->ptr,ii++,&llval)) { - if (count == 0) { - int cmd_items = (items > REDIS_AOF_REWRITE_ITEMS_PER_CMD) ? - REDIS_AOF_REWRITE_ITEMS_PER_CMD : items; - - if (rioWriteBulkCount(r,'*',2+cmd_items) == 0) return 0; - if (rioWriteBulkString(r,"SADD",4) == 0) return 0; - if (rioWriteBulkObject(r,key) == 0) return 0; - } - if (rioWriteBulkLongLong(r,llval) == 0) return 0; - if (++count == REDIS_AOF_REWRITE_ITEMS_PER_CMD) count = 0; - items--; - } - } else if (o->encoding == REDIS_ENCODING_HT) { - dictIterator *di = dictGetIterator(o->ptr); - dictEntry *de; - - while((de = dictNext(di)) != NULL) { - robj *eleobj = dictGetKey(de); - if (count == 0) { - int cmd_items = (items > REDIS_AOF_REWRITE_ITEMS_PER_CMD) ? - REDIS_AOF_REWRITE_ITEMS_PER_CMD : items; - - if (rioWriteBulkCount(r,'*',2+cmd_items) == 0) return 0; - if (rioWriteBulkString(r,"SADD",4) == 0) return 0; - if (rioWriteBulkObject(r,key) == 0) return 0; - } - if (rioWriteBulkObject(r,eleobj) == 0) return 0; - if (++count == REDIS_AOF_REWRITE_ITEMS_PER_CMD) count = 0; - items--; - } - dictReleaseIterator(di); - } else { - redisPanic("Unknown set encoding"); - } - return 1; -} - -/* Emit the commands needed to rebuild a sorted set object. - * The function returns 0 on error, 1 on success. */ -int rewriteSortedSetObject(rio *r, robj *key, robj *o) { - long long count = 0, items = zsetLength(o); - - if (o->encoding == REDIS_ENCODING_ZIPLIST) { - unsigned char *zl = o->ptr; - unsigned char *eptr, *sptr; - unsigned char *vstr; - unsigned int vlen; - long long vll; - double score; - - eptr = ziplistIndex(zl,0); - redisAssert(eptr != NULL); - sptr = ziplistNext(zl,eptr); - redisAssert(sptr != NULL); - - while (eptr != NULL) { - redisAssert(ziplistGet(eptr,&vstr,&vlen,&vll)); - score = zzlGetScore(sptr); - - if (count == 0) { - int cmd_items = (items > REDIS_AOF_REWRITE_ITEMS_PER_CMD) ? - REDIS_AOF_REWRITE_ITEMS_PER_CMD : items; - - if (rioWriteBulkCount(r,'*',2+cmd_items*2) == 0) return 0; - if (rioWriteBulkString(r,"ZADD",4) == 0) return 0; - if (rioWriteBulkObject(r,key) == 0) return 0; - } - if (rioWriteBulkDouble(r,score) == 0) return 0; - if (vstr != NULL) { - if (rioWriteBulkString(r,(char*)vstr,vlen) == 0) return 0; - } else { - if (rioWriteBulkLongLong(r,vll) == 0) return 0; - } - zzlNext(zl,&eptr,&sptr); - if (++count == REDIS_AOF_REWRITE_ITEMS_PER_CMD) count = 0; - items--; - } - } else if (o->encoding == REDIS_ENCODING_SKIPLIST) { - zset *zs = o->ptr; - dictIterator *di = dictGetIterator(zs->dict); - dictEntry *de; - - while((de = dictNext(di)) != NULL) { - robj *eleobj = dictGetKey(de); - double *score = dictGetVal(de); - - if (count == 0) { - int cmd_items = (items > REDIS_AOF_REWRITE_ITEMS_PER_CMD) ? - REDIS_AOF_REWRITE_ITEMS_PER_CMD : items; - - if (rioWriteBulkCount(r,'*',2+cmd_items*2) == 0) return 0; - if (rioWriteBulkString(r,"ZADD",4) == 0) return 0; - if (rioWriteBulkObject(r,key) == 0) return 0; - } - if (rioWriteBulkDouble(r,*score) == 0) return 0; - if (rioWriteBulkObject(r,eleobj) == 0) return 0; - if (++count == REDIS_AOF_REWRITE_ITEMS_PER_CMD) count = 0; - items--; - } - dictReleaseIterator(di); - } else { - redisPanic("Unknown sorted zset encoding"); - } - return 1; -} - -/* Write either the key or the value of the currently selected item of an hash. - * The 'hi' argument passes a valid Redis hash iterator. - * The 'what' filed specifies if to write a key or a value and can be - * either REDIS_HASH_KEY or REDIS_HASH_VALUE. - * - * The function returns 0 on error, non-zero on success. */ -static int rioWriteHashIteratorCursor(rio *r, hashTypeIterator *hi, int what) { - if (hi->encoding == REDIS_ENCODING_ZIPLIST) { - unsigned char *vstr = NULL; - unsigned int vlen = UINT_MAX; - long long vll = LLONG_MAX; - - hashTypeCurrentFromZiplist(hi, what, &vstr, &vlen, &vll); - if (vstr) { - return rioWriteBulkString(r, (char*)vstr, vlen); - } else { - return rioWriteBulkLongLong(r, vll); - } - - } else if (hi->encoding == REDIS_ENCODING_HT) { - robj *value; - - hashTypeCurrentFromHashTable(hi, what, &value); - return rioWriteBulkObject(r, value); - } - - redisPanic("Unknown hash encoding"); - return 0; -} - -/* Emit the commands needed to rebuild a hash object. - * The function returns 0 on error, 1 on success. */ -int rewriteHashObject(rio *r, robj *key, robj *o) { - hashTypeIterator *hi; - long long count = 0, items = hashTypeLength(o); - - hi = hashTypeInitIterator(o); - while (hashTypeNext(hi) != REDIS_ERR) { - if (count == 0) { - int cmd_items = (items > REDIS_AOF_REWRITE_ITEMS_PER_CMD) ? - REDIS_AOF_REWRITE_ITEMS_PER_CMD : items; - - if (rioWriteBulkCount(r,'*',2+cmd_items*2) == 0) return 0; - if (rioWriteBulkString(r,"HMSET",5) == 0) return 0; - if (rioWriteBulkObject(r,key) == 0) return 0; - } - - if (rioWriteHashIteratorCursor(r, hi, REDIS_HASH_KEY) == 0) return 0; - if (rioWriteHashIteratorCursor(r, hi, REDIS_HASH_VALUE) == 0) return 0; - if (++count == REDIS_AOF_REWRITE_ITEMS_PER_CMD) count = 0; - items--; - } - - hashTypeReleaseIterator(hi); - - return 1; -} - -/* Write a sequence of commands able to fully rebuild the dataset into - * "filename". Used both by REWRITEAOF and BGREWRITEAOF. - * - * In order to minimize the number of commands needed in the rewritten - * log Redis uses variadic commands when possible, such as RPUSH, SADD - * and ZADD. However at max REDIS_AOF_REWRITE_ITEMS_PER_CMD items per time - * are inserted using a single command. */ -int rewriteAppendOnlyFile(char *filename) { - dictIterator *di = NULL; - dictEntry *de; - rio aof; - FILE *fp; - char tmpfile[256]; - int j; - long long now = mstime(); - - /* Note that we have to use a different temp name here compared to the - * one used by rewriteAppendOnlyFileBackground() function. */ - snprintf(tmpfile,256,"temp-rewriteaof-%d.aof", (int) getpid()); - fp = fopen(tmpfile,"w"); - if (!fp) { - redisLog(REDIS_WARNING, "Opening the temp file for AOF rewrite in rewriteAppendOnlyFile(): %s", strerror(errno)); - return REDIS_ERR; - } - - rioInitWithFile(&aof,fp); - for (j = 0; j < server.dbnum; j++) { - char selectcmd[] = "*2\r\n$6\r\nSELECT\r\n"; - redisDb *db = server.db+j; - dict *d = db->dict; - if (dictSize(d) == 0) continue; - di = dictGetSafeIterator(d); - if (!di) { - fclose(fp); - return REDIS_ERR; - } - - /* SELECT the new DB */ - if (rioWrite(&aof,selectcmd,sizeof(selectcmd)-1) == 0) goto werr; - if (rioWriteBulkLongLong(&aof,j) == 0) goto werr; - - /* Iterate this DB writing every entry */ - while((de = dictNext(di)) != NULL) { - sds keystr; - robj key, *o; - long long expiretime; - - keystr = dictGetKey(de); - o = dictGetVal(de); - initStaticStringObject(key,keystr); - - expiretime = getExpire(db,&key); - - /* Save the key and associated value */ - if (o->type == REDIS_STRING) { - /* Emit a SET command */ - char cmd[]="*3\r\n$3\r\nSET\r\n"; - if (rioWrite(&aof,cmd,sizeof(cmd)-1) == 0) goto werr; - /* Key and value */ - if (rioWriteBulkObject(&aof,&key) == 0) goto werr; - if (rioWriteBulkObject(&aof,o) == 0) goto werr; - } else if (o->type == REDIS_LIST) { - if (rewriteListObject(&aof,&key,o) == 0) goto werr; - } else if (o->type == REDIS_SET) { - if (rewriteSetObject(&aof,&key,o) == 0) goto werr; - } else if (o->type == REDIS_ZSET) { - if (rewriteSortedSetObject(&aof,&key,o) == 0) goto werr; - } else if (o->type == REDIS_HASH) { - if (rewriteHashObject(&aof,&key,o) == 0) goto werr; - } else { - redisPanic("Unknown object type"); - } - /* Save the expire time */ - if (expiretime != -1) { - char cmd[]="*3\r\n$9\r\nPEXPIREAT\r\n"; - /* If this key is already expired skip it */ - if (expiretime < now) continue; - if (rioWrite(&aof,cmd,sizeof(cmd)-1) == 0) goto werr; - if (rioWriteBulkObject(&aof,&key) == 0) goto werr; - if (rioWriteBulkLongLong(&aof,expiretime) == 0) goto werr; - } - } - dictReleaseIterator(di); - } - - /* Make sure data will not remain on the OS's output buffers */ - fflush(fp); - aof_fsync(fileno(fp)); - fclose(fp); - - /* Use RENAME to make sure the DB file is changed atomically only - * if the generate DB file is ok. */ - if (rename(tmpfile,filename) == -1) { - redisLog(REDIS_WARNING,"Error moving temp append only file on the final destination: %s", strerror(errno)); - unlink(tmpfile); - return REDIS_ERR; - } - redisLog(REDIS_NOTICE,"SYNC append only file rewrite performed"); - return REDIS_OK; - -werr: - fclose(fp); - unlink(tmpfile); - redisLog(REDIS_WARNING,"Write error writing append only file on disk: %s", strerror(errno)); - if (di) dictReleaseIterator(di); - return REDIS_ERR; -} - -/* This is how rewriting of the append only file in background works: - * - * 1) The user calls BGREWRITEAOF - * 2) Redis calls this function, that forks(): - * 2a) the child rewrite the append only file in a temp file. - * 2b) the parent accumulates differences in server.aof_rewrite_buf. - * 3) When the child finished '2a' exists. - * 4) The parent will trap the exit code, if it's OK, will append the - * data accumulated into server.aof_rewrite_buf into the temp file, and - * finally will rename(2) the temp file in the actual file name. - * The the new file is reopened as the new append only file. Profit! - */ -int rewriteAppendOnlyFileBackground(void) { - pid_t childpid; - long long start; - - if (server.aof_child_pid != -1) return REDIS_ERR; - start = ustime(); - if ((childpid = fork()) == 0) { - char tmpfile[256]; - - /* Child */ - if (server.ipfd > 0) close(server.ipfd); - if (server.sofd > 0) close(server.sofd); - snprintf(tmpfile,256,"temp-rewriteaof-bg-%d.aof", (int) getpid()); - if (rewriteAppendOnlyFile(tmpfile) == REDIS_OK) { - size_t private_dirty = zmalloc_get_private_dirty(); - - if (private_dirty) { - redisLog(REDIS_NOTICE, - "AOF rewrite: %lu MB of memory used by copy-on-write", - private_dirty/(1024*1024)); - } - exitFromChild(0); - } else { - exitFromChild(1); - } - } else { - /* Parent */ - server.stat_fork_time = ustime()-start; - if (childpid == -1) { - redisLog(REDIS_WARNING, - "Can't rewrite append only file in background: fork: %s", - strerror(errno)); - return REDIS_ERR; - } - redisLog(REDIS_NOTICE, - "Background append only file rewriting started by pid %d",childpid); - server.aof_rewrite_scheduled = 0; - server.aof_rewrite_time_start = time(NULL); - server.aof_child_pid = childpid; - updateDictResizePolicy(); - /* We set appendseldb to -1 in order to force the next call to the - * feedAppendOnlyFile() to issue a SELECT command, so the differences - * accumulated by the parent into server.aof_rewrite_buf will start - * with a SELECT statement and it will be safe to merge. */ - server.aof_selected_db = -1; - return REDIS_OK; - } - return REDIS_OK; /* unreached */ -} - -void bgrewriteaofCommand(redisClient *c) { - if (server.aof_child_pid != -1) { - addReplyError(c,"Background append only file rewriting already in progress"); - } else if (server.rdb_child_pid != -1) { - server.aof_rewrite_scheduled = 1; - addReplyStatus(c,"Background append only file rewriting scheduled"); - } else if (rewriteAppendOnlyFileBackground() == REDIS_OK) { - addReplyStatus(c,"Background append only file rewriting started"); - } else { - addReply(c,shared.err); - } -} - -void aofRemoveTempFile(pid_t childpid) { - char tmpfile[256]; - - snprintf(tmpfile,256,"temp-rewriteaof-bg-%d.aof", (int) childpid); - unlink(tmpfile); -} - -/* Update the server.aof_current_size filed explicitly using stat(2) - * to check the size of the file. This is useful after a rewrite or after - * a restart, normally the size is updated just adding the write length - * to the current length, that is much faster. */ -void aofUpdateCurrentSize(void) { - struct redis_stat sb; - - if (redis_fstat(server.aof_fd,&sb) == -1) { - redisLog(REDIS_WARNING,"Unable to obtain the AOF file length. stat: %s", - strerror(errno)); - } else { - server.aof_current_size = sb.st_size; - } -} - -/* A background append only file rewriting (BGREWRITEAOF) terminated its work. - * Handle this. */ -void backgroundRewriteDoneHandler(int exitcode, int bysignal) { - if (!bysignal && exitcode == 0) { - int newfd, oldfd; - char tmpfile[256]; - long long now = ustime(); - - redisLog(REDIS_NOTICE, - "Background AOF rewrite terminated with success"); - - /* Flush the differences accumulated by the parent to the - * rewritten AOF. */ - snprintf(tmpfile,256,"temp-rewriteaof-bg-%d.aof", - (int)server.aof_child_pid); - newfd = open(tmpfile,O_WRONLY|O_APPEND); - if (newfd == -1) { - redisLog(REDIS_WARNING, - "Unable to open the temporary AOF produced by the child: %s", strerror(errno)); - goto cleanup; - } - - if (aofRewriteBufferWrite(newfd) == -1) { - redisLog(REDIS_WARNING, - "Error trying to flush the parent diff to the rewritten AOF: %s", strerror(errno)); - close(newfd); - goto cleanup; - } - - redisLog(REDIS_NOTICE, - "Parent diff successfully flushed to the rewritten AOF (%lu bytes)", aofRewriteBufferSize()); - - /* The only remaining thing to do is to rename the temporary file to - * the configured file and switch the file descriptor used to do AOF - * writes. We don't want close(2) or rename(2) calls to block the - * server on old file deletion. - * - * There are two possible scenarios: - * - * 1) AOF is DISABLED and this was a one time rewrite. The temporary - * file will be renamed to the configured file. When this file already - * exists, it will be unlinked, which may block the server. - * - * 2) AOF is ENABLED and the rewritten AOF will immediately start - * receiving writes. After the temporary file is renamed to the - * configured file, the original AOF file descriptor will be closed. - * Since this will be the last reference to that file, closing it - * causes the underlying file to be unlinked, which may block the - * server. - * - * To mitigate the blocking effect of the unlink operation (either - * caused by rename(2) in scenario 1, or by close(2) in scenario 2), we - * use a background thread to take care of this. First, we - * make scenario 1 identical to scenario 2 by opening the target file - * when it exists. The unlink operation after the rename(2) will then - * be executed upon calling close(2) for its descriptor. Everything to - * guarantee atomicity for this switch has already happened by then, so - * we don't care what the outcome or duration of that close operation - * is, as long as the file descriptor is released again. */ - if (server.aof_fd == -1) { - /* AOF disabled */ - - /* Don't care if this fails: oldfd will be -1 and we handle that. - * One notable case of -1 return is if the old file does - * not exist. */ - oldfd = open(server.aof_filename,O_RDONLY|O_NONBLOCK); - } else { - /* AOF enabled */ - oldfd = -1; /* We'll set this to the current AOF filedes later. */ - } - - /* Rename the temporary file. This will not unlink the target file if - * it exists, because we reference it with "oldfd". */ - if (rename(tmpfile,server.aof_filename) == -1) { - redisLog(REDIS_WARNING, - "Error trying to rename the temporary AOF file: %s", strerror(errno)); - close(newfd); - if (oldfd != -1) close(oldfd); - goto cleanup; - } - - if (server.aof_fd == -1) { - /* AOF disabled, we don't need to set the AOF file descriptor - * to this new file, so we can close it. */ - close(newfd); - } else { - /* AOF enabled, replace the old fd with the new one. */ - oldfd = server.aof_fd; - server.aof_fd = newfd; - if (server.aof_fsync == AOF_FSYNC_ALWAYS) - aof_fsync(newfd); - else if (server.aof_fsync == AOF_FSYNC_EVERYSEC) - aof_background_fsync(newfd); - server.aof_selected_db = -1; /* Make sure SELECT is re-issued */ - aofUpdateCurrentSize(); - server.aof_rewrite_base_size = server.aof_current_size; - - /* Clear regular AOF buffer since its contents was just written to - * the new AOF from the background rewrite buffer. */ - sdsfree(server.aof_buf); - server.aof_buf = sdsempty(); - } - - server.aof_lastbgrewrite_status = REDIS_OK; - - redisLog(REDIS_NOTICE, "Background AOF rewrite finished successfully"); - /* Change state from WAIT_REWRITE to ON if needed */ - if (server.aof_state == REDIS_AOF_WAIT_REWRITE) - server.aof_state = REDIS_AOF_ON; - - /* Asynchronously close the overwritten AOF. */ - if (oldfd != -1) bioCreateBackgroundJob(REDIS_BIO_CLOSE_FILE,(void*)(long)oldfd,NULL,NULL); - - redisLog(REDIS_VERBOSE, - "Background AOF rewrite signal handler took %lldus", ustime()-now); - } else if (!bysignal && exitcode != 0) { - server.aof_lastbgrewrite_status = REDIS_ERR; - - redisLog(REDIS_WARNING, - "Background AOF rewrite terminated with error"); - } else { - server.aof_lastbgrewrite_status = REDIS_ERR; - - redisLog(REDIS_WARNING, - "Background AOF rewrite terminated by signal %d", bysignal); - } - -cleanup: - aofRewriteBufferReset(); - aofRemoveTempFile(server.aof_child_pid); - server.aof_child_pid = -1; - server.aof_rewrite_time_last = time(NULL)-server.aof_rewrite_time_start; - server.aof_rewrite_time_start = -1; - /* Schedule a new rewrite if we are waiting for it to switch the AOF ON. */ - if (server.aof_state == REDIS_AOF_WAIT_REWRITE) - server.aof_rewrite_scheduled = 1; -} +/* + * Copyright (c) 2009-2012, Salvatore Sanfilippo + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of Redis nor the names of its contributors may be used + * to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include "redis.h" +#include "bio.h" +#include "rio.h" + +#include +#include +#include +#include +#include +#include +#include + +void aofUpdateCurrentSize(void); + +/* ---------------------------------------------------------------------------- + * AOF rewrite buffer implementation. + * + * The following code implement a simple buffer used in order to accumulate + * changes while the background process is rewriting the AOF file. + * + * We only need to append, but can't just use realloc with a large block + * because 'huge' reallocs are not always handled as one could expect + * (via remapping of pages at OS level) but may involve copying data. + * + * For this reason we use a list of blocks, every block is + * AOF_RW_BUF_BLOCK_SIZE bytes. + * ------------------------------------------------------------------------- */ + +#define AOF_RW_BUF_BLOCK_SIZE (1024*1024*10) /* 10 MB per block */ + +typedef struct aofrwblock { + unsigned long used, free; + char buf[AOF_RW_BUF_BLOCK_SIZE]; +} aofrwblock; + +/* This function free the old AOF rewrite buffer if needed, and initialize + * a fresh new one. It tests for server.aof_rewrite_buf_blocks equal to NULL + * so can be used for the first initialization as well. */ +void aofRewriteBufferReset(void) { + if (server.aof_rewrite_buf_blocks) + listRelease(server.aof_rewrite_buf_blocks); + + server.aof_rewrite_buf_blocks = listCreate(); + listSetFreeMethod(server.aof_rewrite_buf_blocks,zfree); +} + +/* Return the current size of the AOF rerwite buffer. */ +unsigned long aofRewriteBufferSize(void) { + listNode *ln = listLast(server.aof_rewrite_buf_blocks); + aofrwblock *block = ln ? ln->value : NULL; + + if (block == NULL) return 0; + unsigned long size = + (listLength(server.aof_rewrite_buf_blocks)-1) * AOF_RW_BUF_BLOCK_SIZE; + size += block->used; + return size; +} + +/* Append data to the AOF rewrite buffer, allocating new blocks if needed. */ +void aofRewriteBufferAppend(unsigned char *s, unsigned long len) { + listNode *ln = listLast(server.aof_rewrite_buf_blocks); + aofrwblock *block = ln ? ln->value : NULL; + + while(len) { + /* If we already got at least an allocated block, try appending + * at least some piece into it. */ + if (block) { + unsigned long thislen = (block->free < len) ? block->free : len; + if (thislen) { /* The current block is not already full. */ + memcpy(block->buf+block->used, s, thislen); + block->used += thislen; + block->free -= thislen; + s += thislen; + len -= thislen; + } + } + + if (len) { /* First block to allocate, or need another block. */ + int numblocks; + + block = zmalloc(sizeof(*block)); + block->free = AOF_RW_BUF_BLOCK_SIZE; + block->used = 0; + listAddNodeTail(server.aof_rewrite_buf_blocks,block); + + /* Log every time we cross more 10 or 100 blocks, respectively + * as a notice or warning. */ + numblocks = listLength(server.aof_rewrite_buf_blocks); + if (((numblocks+1) % 10) == 0) { + int level = ((numblocks+1) % 100) == 0 ? REDIS_WARNING : + REDIS_NOTICE; + redisLog(level,"Background AOF buffer size: %lu MB", + aofRewriteBufferSize()/(1024*1024)); + } + } + } +} + +/* Write the buffer (possibly composed of multiple blocks) into the specified + * fd. If no short write or any other error happens -1 is returned, + * otherwise the number of bytes written is returned. */ +ssize_t aofRewriteBufferWrite(int fd) { + listNode *ln; + listIter li; + ssize_t count = 0; + + listRewind(server.aof_rewrite_buf_blocks,&li); + while((ln = listNext(&li))) { + aofrwblock *block = listNodeValue(ln); + ssize_t nwritten; + + if (block->used) { + nwritten = write(fd,block->buf,block->used); + if (nwritten != block->used) { + if (nwritten == 0) errno = EIO; + return -1; + } + count += nwritten; + } + } + return count; +} + +/* ---------------------------------------------------------------------------- + * AOF file implementation + * ------------------------------------------------------------------------- */ + +/* Starts a background task that performs fsync() against the specified + * file descriptor (the one of the AOF file) in another thread. */ +void aof_background_fsync(int fd) { + bioCreateBackgroundJob(REDIS_BIO_AOF_FSYNC,(void*)(long)fd,NULL,NULL); +} + +/* Called when the user switches from "appendonly yes" to "appendonly no" + * at runtime using the CONFIG command. */ +void stopAppendOnly(void) { + redisAssert(server.aof_state != REDIS_AOF_OFF); + flushAppendOnlyFile(1); + aof_fsync(server.aof_fd); + close(server.aof_fd); + + server.aof_fd = -1; + server.aof_selected_db = -1; + server.aof_state = REDIS_AOF_OFF; + /* rewrite operation in progress? kill it, wait child exit */ + if (server.aof_child_pid != -1) { + int statloc; + + redisLog(REDIS_NOTICE,"Killing running AOF rewrite child: %ld", + (long) server.aof_child_pid); + if (kill(server.aof_child_pid,SIGUSR1) != -1) + wait3(&statloc,0,NULL); + /* reset the buffer accumulating changes while the child saves */ + aofRewriteBufferReset(); + aofRemoveTempFile(server.aof_child_pid); + server.aof_child_pid = -1; + server.aof_rewrite_time_start = -1; + } +} + +/* Called when the user switches from "appendonly no" to "appendonly yes" + * at runtime using the CONFIG command. */ +int startAppendOnly(void) { + server.aof_last_fsync = server.unixtime; + server.aof_fd = open(server.aof_filename,O_WRONLY|O_APPEND|O_CREAT,0644); + redisAssert(server.aof_state == REDIS_AOF_OFF); + if (server.aof_fd == -1) { + redisLog(REDIS_WARNING,"Redis needs to enable the AOF but can't open the append only file: %s",strerror(errno)); + return REDIS_ERR; + } + if (rewriteAppendOnlyFileBackground() == REDIS_ERR) { + close(server.aof_fd); + redisLog(REDIS_WARNING,"Redis needs to enable the AOF but can't trigger a background AOF rewrite operation. Check the above logs for more info about the error."); + return REDIS_ERR; + } + /* We correctly switched on AOF, now wait for the rerwite to be complete + * in order to append data on disk. */ + server.aof_state = REDIS_AOF_WAIT_REWRITE; + return REDIS_OK; +} + +/* Write the append only file buffer on disk. + * + * Since we are required to write the AOF before replying to the client, + * and the only way the client socket can get a write is entering when the + * the event loop, we accumulate all the AOF writes in a memory + * buffer and write it on disk using this function just before entering + * the event loop again. + * + * About the 'force' argument: + * + * When the fsync policy is set to 'everysec' we may delay the flush if there + * is still an fsync() going on in the background thread, since for instance + * on Linux write(2) will be blocked by the background fsync anyway. + * When this happens we remember that there is some aof buffer to be + * flushed ASAP, and will try to do that in the serverCron() function. + * + * However if force is set to 1 we'll write regardless of the background + * fsync. */ +void flushAppendOnlyFile(int force) { + ssize_t nwritten; + int sync_in_progress = 0; + + if (sdslen(server.aof_buf) == 0) return; + + if (server.aof_fsync == AOF_FSYNC_EVERYSEC) + sync_in_progress = bioPendingJobsOfType(REDIS_BIO_AOF_FSYNC) != 0; + + if (server.aof_fsync == AOF_FSYNC_EVERYSEC && !force) { + /* With this append fsync policy we do background fsyncing. + * If the fsync is still in progress we can try to delay + * the write for a couple of seconds. */ + if (sync_in_progress) { + if (server.aof_flush_postponed_start == 0) { + /* No previous write postponinig, remember that we are + * postponing the flush and return. */ + server.aof_flush_postponed_start = server.unixtime; + return; + } else if (server.unixtime - server.aof_flush_postponed_start < 2) { + /* We were already waiting for fsync to finish, but for less + * than two seconds this is still ok. Postpone again. */ + return; + } + /* Otherwise fall trough, and go write since we can't wait + * over two seconds. */ + server.aof_delayed_fsync++; + redisLog(REDIS_NOTICE,"Asynchronous AOF fsync is taking too long (disk is busy?). Writing the AOF buffer without waiting for fsync to complete, this may slow down Redis."); + } + } + /* If you are following this code path, then we are going to write so + * set reset the postponed flush sentinel to zero. */ + server.aof_flush_postponed_start = 0; + + /* We want to perform a single write. This should be guaranteed atomic + * at least if the filesystem we are writing is a real physical one. + * While this will save us against the server being killed I don't think + * there is much to do about the whole server stopping for power problems + * or alike */ + nwritten = write(server.aof_fd,server.aof_buf,sdslen(server.aof_buf)); + if (nwritten != (signed)sdslen(server.aof_buf)) { + /* Ooops, we are in troubles. The best thing to do for now is + * aborting instead of giving the illusion that everything is + * working as expected. */ + if (nwritten == -1) { + redisLog(REDIS_WARNING,"Exiting on error writing to the append-only file: %s",strerror(errno)); + } else { + redisLog(REDIS_WARNING,"Exiting on short write while writing to " + "the append-only file: %s (nwritten=%ld, " + "expected=%ld)", + strerror(errno), + (long)nwritten, + (long)sdslen(server.aof_buf)); + + if (ftruncate(server.aof_fd, server.aof_current_size) == -1) { + redisLog(REDIS_WARNING, "Could not remove short write " + "from the append-only file. Redis may refuse " + "to load the AOF the next time it starts. " + "ftruncate: %s", strerror(errno)); + } + } + exit(1); + } + server.aof_current_size += nwritten; + + /* Re-use AOF buffer when it is small enough. The maximum comes from the + * arena size of 4k minus some overhead (but is otherwise arbitrary). */ + if ((sdslen(server.aof_buf)+sdsavail(server.aof_buf)) < 4000) { + sdsclear(server.aof_buf); + } else { + sdsfree(server.aof_buf); + server.aof_buf = sdsempty(); + } + + /* Don't fsync if no-appendfsync-on-rewrite is set to yes and there are + * children doing I/O in the background. */ + if (server.aof_no_fsync_on_rewrite && + (server.aof_child_pid != -1 || server.rdb_child_pid != -1)) + return; + + /* Perform the fsync if needed. */ + if (server.aof_fsync == AOF_FSYNC_ALWAYS) { + /* aof_fsync is defined as fdatasync() for Linux in order to avoid + * flushing metadata. */ + aof_fsync(server.aof_fd); /* Let's try to get this data on the disk */ + server.aof_last_fsync = server.unixtime; + } else if ((server.aof_fsync == AOF_FSYNC_EVERYSEC && + server.unixtime > server.aof_last_fsync)) { + if (!sync_in_progress) aof_background_fsync(server.aof_fd); + server.aof_last_fsync = server.unixtime; + } +} + +sds catAppendOnlyGenericCommand(sds dst, int argc, robj **argv) { + char buf[32]; + int len, j; + robj *o; + + buf[0] = '*'; + len = 1+ll2string(buf+1,sizeof(buf)-1,argc); + buf[len++] = '\r'; + buf[len++] = '\n'; + dst = sdscatlen(dst,buf,len); + + for (j = 0; j < argc; j++) { + o = getDecodedObject(argv[j]); + buf[0] = '$'; + len = 1+ll2string(buf+1,sizeof(buf)-1,sdslen(o->ptr)); + buf[len++] = '\r'; + buf[len++] = '\n'; + dst = sdscatlen(dst,buf,len); + dst = sdscatlen(dst,o->ptr,sdslen(o->ptr)); + dst = sdscatlen(dst,"\r\n",2); + decrRefCount(o); + } + return dst; +} + +/* Create the sds representation of an PEXPIREAT command, using + * 'seconds' as time to live and 'cmd' to understand what command + * we are translating into a PEXPIREAT. + * + * This command is used in order to translate EXPIRE and PEXPIRE commands + * into PEXPIREAT command so that we retain precision in the append only + * file, and the time is always absolute and not relative. */ +sds catAppendOnlyExpireAtCommand(sds buf, struct redisCommand *cmd, robj *key, robj *seconds) { + long long when; + robj *argv[3]; + + /* Make sure we can use strtol */ + seconds = getDecodedObject(seconds); + when = strtoll(seconds->ptr,NULL,10); + /* Convert argument into milliseconds for EXPIRE, SETEX, EXPIREAT */ + if (cmd->proc == expireCommand || cmd->proc == setexCommand || + cmd->proc == expireatCommand) + { + when *= 1000; + } + /* Convert into absolute time for EXPIRE, PEXPIRE, SETEX, PSETEX */ + if (cmd->proc == expireCommand || cmd->proc == pexpireCommand || + cmd->proc == setexCommand || cmd->proc == psetexCommand) + { + when += mstime(); + } + decrRefCount(seconds); + + argv[0] = createStringObject("PEXPIREAT",9); + argv[1] = key; + argv[2] = createStringObjectFromLongLong(when); + buf = catAppendOnlyGenericCommand(buf, 3, argv); + decrRefCount(argv[0]); + decrRefCount(argv[2]); + return buf; +} + +void feedAppendOnlyFile(struct redisCommand *cmd, int dictid, robj **argv, int argc) { + sds buf = sdsempty(); + robj *tmpargv[3]; + + /* The DB this command was targeting is not the same as the last command + * we appendend. To issue a SELECT command is needed. */ + if (dictid != server.aof_selected_db) { + char seldb[64]; + + snprintf(seldb,sizeof(seldb),"%d",dictid); + buf = sdscatprintf(buf,"*2\r\n$6\r\nSELECT\r\n$%lu\r\n%s\r\n", + (unsigned long)strlen(seldb),seldb); + server.aof_selected_db = dictid; + } + + if (cmd->proc == expireCommand || cmd->proc == pexpireCommand || + cmd->proc == expireatCommand) { + /* Translate EXPIRE/PEXPIRE/EXPIREAT into PEXPIREAT */ + buf = catAppendOnlyExpireAtCommand(buf,cmd,argv[1],argv[2]); + } else if (cmd->proc == setexCommand || cmd->proc == psetexCommand) { + /* Translate SETEX/PSETEX to SET and PEXPIREAT */ + tmpargv[0] = createStringObject("SET",3); + tmpargv[1] = argv[1]; + tmpargv[2] = argv[3]; + buf = catAppendOnlyGenericCommand(buf,3,tmpargv); + decrRefCount(tmpargv[0]); + buf = catAppendOnlyExpireAtCommand(buf,cmd,argv[1],argv[2]); + } else { + /* All the other commands don't need translation or need the + * same translation already operated in the command vector + * for the replication itself. */ + buf = catAppendOnlyGenericCommand(buf,argc,argv); + } + + /* Append to the AOF buffer. This will be flushed on disk just before + * of re-entering the event loop, so before the client will get a + * positive reply about the operation performed. */ + if (server.aof_state == REDIS_AOF_ON) + server.aof_buf = sdscatlen(server.aof_buf,buf,sdslen(buf)); + + /* If a background append only file rewriting is in progress we want to + * accumulate the differences between the child DB and the current one + * in a buffer, so that when the child process will do its work we + * can append the differences to the new append only file. */ + if (server.aof_child_pid != -1) + aofRewriteBufferAppend((unsigned char*)buf,sdslen(buf)); + + sdsfree(buf); +} + +/* ---------------------------------------------------------------------------- + * AOF loading + * ------------------------------------------------------------------------- */ + +/* In Redis commands are always executed in the context of a client, so in + * order to load the append only file we need to create a fake client. */ +struct redisClient *createFakeClient(void) { + struct redisClient *c = zmalloc(sizeof(*c)); + + selectDb(c,0); + c->fd = -1; + c->name = NULL; + c->querybuf = sdsempty(); + c->querybuf_peak = 0; + c->argc = 0; + c->argv = NULL; + c->bufpos = 0; + c->flags = 0; + /* We set the fake client as a slave waiting for the synchronization + * so that Redis will not try to send replies to this client. */ + c->replstate = REDIS_REPL_WAIT_BGSAVE_START; + c->reply = listCreate(); + c->reply_bytes = 0; + c->obuf_soft_limit_reached_time = 0; + c->watched_keys = listCreate(); + listSetFreeMethod(c->reply,decrRefCount); + listSetDupMethod(c->reply,dupClientReplyValue); + initClientMultiState(c); + return c; +} + +void freeFakeClient(struct redisClient *c) { + sdsfree(c->querybuf); + listRelease(c->reply); + listRelease(c->watched_keys); + freeClientMultiState(c); + zfree(c); +} + +/* Replay the append log file. On error REDIS_OK is returned. On non fatal + * error (the append only file is zero-length) REDIS_ERR is returned. On + * fatal error an error message is logged and the program exists. */ +int loadAppendOnlyFile(char *filename) { + struct redisClient *fakeClient; + FILE *fp = fopen(filename,"r"); + struct redis_stat sb; + int old_aof_state = server.aof_state; + long loops = 0; + + if (fp && redis_fstat(fileno(fp),&sb) != -1 && sb.st_size == 0) { + server.aof_current_size = 0; + fclose(fp); + return REDIS_ERR; + } + + if (fp == NULL) { + redisLog(REDIS_WARNING,"Fatal error: can't open the append log file for reading: %s",strerror(errno)); + exit(1); + } + + /* Temporarily disable AOF, to prevent EXEC from feeding a MULTI + * to the same file we're about to read. */ + server.aof_state = REDIS_AOF_OFF; + + fakeClient = createFakeClient(); + startLoading(fp); + + while(1) { + int argc, j; + unsigned long len; + robj **argv; + char buf[128]; + sds argsds; + struct redisCommand *cmd; + + /* Serve the clients from time to time */ + if (!(loops++ % 1000)) { + loadingProgress(ftello(fp)); + aeProcessEvents(server.el, AE_FILE_EVENTS|AE_DONT_WAIT); + } + + if (fgets(buf,sizeof(buf),fp) == NULL) { + if (feof(fp)) + break; + else + goto readerr; + } + if (buf[0] != '*') goto fmterr; + argc = atoi(buf+1); + if (argc < 1) goto fmterr; + + argv = zmalloc(sizeof(robj*)*argc); + for (j = 0; j < argc; j++) { + if (fgets(buf,sizeof(buf),fp) == NULL) goto readerr; + if (buf[0] != '$') goto fmterr; + len = strtol(buf+1,NULL,10); + argsds = sdsnewlen(NULL,len); + if (len && fread(argsds,len,1,fp) == 0) goto fmterr; + argv[j] = createObject(REDIS_STRING,argsds); + if (fread(buf,2,1,fp) == 0) goto fmterr; /* discard CRLF */ + } + + /* Command lookup */ + cmd = lookupCommand(argv[0]->ptr); + if (!cmd) { + redisLog(REDIS_WARNING,"Unknown command '%s' reading the append only file", argv[0]->ptr); + exit(1); + } + /* Run the command in the context of a fake client */ + fakeClient->argc = argc; + fakeClient->argv = argv; + cmd->proc(fakeClient); + + /* The fake client should not have a reply */ + redisAssert(fakeClient->bufpos == 0 && listLength(fakeClient->reply) == 0); + /* The fake client should never get blocked */ + redisAssert((fakeClient->flags & REDIS_BLOCKED) == 0); + + /* Clean up. Command code may have changed argv/argc so we use the + * argv/argc of the client instead of the local variables. */ + for (j = 0; j < fakeClient->argc; j++) + decrRefCount(fakeClient->argv[j]); + zfree(fakeClient->argv); + } + + /* This point can only be reached when EOF is reached without errors. + * If the client is in the middle of a MULTI/EXEC, log error and quit. */ + if (fakeClient->flags & REDIS_MULTI) goto readerr; + + fclose(fp); + freeFakeClient(fakeClient); + server.aof_state = old_aof_state; + stopLoading(); + aofUpdateCurrentSize(); + server.aof_rewrite_base_size = server.aof_current_size; + return REDIS_OK; + +readerr: + if (feof(fp)) { + redisLog(REDIS_WARNING,"Unexpected end of file reading the append only file"); + } else { + redisLog(REDIS_WARNING,"Unrecoverable error reading the append only file: %s", strerror(errno)); + } + exit(1); +fmterr: + redisLog(REDIS_WARNING,"Bad file format reading the append only file: make a backup of your AOF file, then use ./redis-check-aof --fix "); + exit(1); +} + +/* ---------------------------------------------------------------------------- + * AOF rewrite + * ------------------------------------------------------------------------- */ + +/* Delegate writing an object to writing a bulk string or bulk long long. + * This is not placed in rio.c since that adds the redis.h dependency. */ +int rioWriteBulkObject(rio *r, robj *obj) { + /* Avoid using getDecodedObject to help copy-on-write (we are often + * in a child process when this function is called). */ + if (obj->encoding == REDIS_ENCODING_INT) { + return rioWriteBulkLongLong(r,(long)obj->ptr); + } else if (obj->encoding == REDIS_ENCODING_RAW) { + return rioWriteBulkString(r,obj->ptr,sdslen(obj->ptr)); + } else { + redisPanic("Unknown string encoding"); + } +} + +/* Emit the commands needed to rebuild a list object. + * The function returns 0 on error, 1 on success. */ +int rewriteListObject(rio *r, robj *key, robj *o) { + long long count = 0, items = listTypeLength(o); + + if (o->encoding == REDIS_ENCODING_ZIPLIST) { + unsigned char *zl = o->ptr; + unsigned char *p = ziplistIndex(zl,0); + unsigned char *vstr; + unsigned int vlen; + long long vlong; + + while(ziplistGet(p,&vstr,&vlen,&vlong)) { + if (count == 0) { + int cmd_items = (items > REDIS_AOF_REWRITE_ITEMS_PER_CMD) ? + REDIS_AOF_REWRITE_ITEMS_PER_CMD : items; + + if (rioWriteBulkCount(r,'*',2+cmd_items) == 0) return 0; + if (rioWriteBulkString(r,"RPUSH",5) == 0) return 0; + if (rioWriteBulkObject(r,key) == 0) return 0; + } + if (vstr) { + if (rioWriteBulkString(r,(char*)vstr,vlen) == 0) return 0; + } else { + if (rioWriteBulkLongLong(r,vlong) == 0) return 0; + } + p = ziplistNext(zl,p); + if (++count == REDIS_AOF_REWRITE_ITEMS_PER_CMD) count = 0; + items--; + } + } else if (o->encoding == REDIS_ENCODING_LINKEDLIST) { + list *list = o->ptr; + listNode *ln; + listIter li; + + listRewind(list,&li); + while((ln = listNext(&li))) { + robj *eleobj = listNodeValue(ln); + + if (count == 0) { + int cmd_items = (items > REDIS_AOF_REWRITE_ITEMS_PER_CMD) ? + REDIS_AOF_REWRITE_ITEMS_PER_CMD : items; + + if (rioWriteBulkCount(r,'*',2+cmd_items) == 0) return 0; + if (rioWriteBulkString(r,"RPUSH",5) == 0) return 0; + if (rioWriteBulkObject(r,key) == 0) return 0; + } + if (rioWriteBulkObject(r,eleobj) == 0) return 0; + if (++count == REDIS_AOF_REWRITE_ITEMS_PER_CMD) count = 0; + items--; + } + } else { + redisPanic("Unknown list encoding"); + } + return 1; +} + +/* Emit the commands needed to rebuild a set object. + * The function returns 0 on error, 1 on success. */ +int rewriteSetObject(rio *r, robj *key, robj *o) { + long long count = 0, items = setTypeSize(o); + + if (o->encoding == REDIS_ENCODING_INTSET) { + int ii = 0; + int64_t llval; + + while(intsetGet(o->ptr,ii++,&llval)) { + if (count == 0) { + int cmd_items = (items > REDIS_AOF_REWRITE_ITEMS_PER_CMD) ? + REDIS_AOF_REWRITE_ITEMS_PER_CMD : items; + + if (rioWriteBulkCount(r,'*',2+cmd_items) == 0) return 0; + if (rioWriteBulkString(r,"SADD",4) == 0) return 0; + if (rioWriteBulkObject(r,key) == 0) return 0; + } + if (rioWriteBulkLongLong(r,llval) == 0) return 0; + if (++count == REDIS_AOF_REWRITE_ITEMS_PER_CMD) count = 0; + items--; + } + } else if (o->encoding == REDIS_ENCODING_HT) { + dictIterator *di = dictGetIterator(o->ptr); + dictEntry *de; + + while((de = dictNext(di)) != NULL) { + robj *eleobj = dictGetKey(de); + if (count == 0) { + int cmd_items = (items > REDIS_AOF_REWRITE_ITEMS_PER_CMD) ? + REDIS_AOF_REWRITE_ITEMS_PER_CMD : items; + + if (rioWriteBulkCount(r,'*',2+cmd_items) == 0) return 0; + if (rioWriteBulkString(r,"SADD",4) == 0) return 0; + if (rioWriteBulkObject(r,key) == 0) return 0; + } + if (rioWriteBulkObject(r,eleobj) == 0) return 0; + if (++count == REDIS_AOF_REWRITE_ITEMS_PER_CMD) count = 0; + items--; + } + dictReleaseIterator(di); + } else { + redisPanic("Unknown set encoding"); + } + return 1; +} + +/* Emit the commands needed to rebuild a sorted set object. + * The function returns 0 on error, 1 on success. */ +int rewriteSortedSetObject(rio *r, robj *key, robj *o) { + long long count = 0, items = zsetLength(o); + + if (o->encoding == REDIS_ENCODING_ZIPLIST) { + unsigned char *zl = o->ptr; + unsigned char *eptr, *sptr; + unsigned char *vstr; + unsigned int vlen; + long long vll; + double score; + + eptr = ziplistIndex(zl,0); + redisAssert(eptr != NULL); + sptr = ziplistNext(zl,eptr); + redisAssert(sptr != NULL); + + while (eptr != NULL) { + redisAssert(ziplistGet(eptr,&vstr,&vlen,&vll)); + score = zzlGetScore(sptr); + + if (count == 0) { + int cmd_items = (items > REDIS_AOF_REWRITE_ITEMS_PER_CMD) ? + REDIS_AOF_REWRITE_ITEMS_PER_CMD : items; + + if (rioWriteBulkCount(r,'*',2+cmd_items*2) == 0) return 0; + if (rioWriteBulkString(r,"ZADD",4) == 0) return 0; + if (rioWriteBulkObject(r,key) == 0) return 0; + } + if (rioWriteBulkDouble(r,score) == 0) return 0; + if (vstr != NULL) { + if (rioWriteBulkString(r,(char*)vstr,vlen) == 0) return 0; + } else { + if (rioWriteBulkLongLong(r,vll) == 0) return 0; + } + zzlNext(zl,&eptr,&sptr); + if (++count == REDIS_AOF_REWRITE_ITEMS_PER_CMD) count = 0; + items--; + } + } else if (o->encoding == REDIS_ENCODING_SKIPLIST) { + zset *zs = o->ptr; + dictIterator *di = dictGetIterator(zs->dict); + dictEntry *de; + + while((de = dictNext(di)) != NULL) { + robj *eleobj = dictGetKey(de); + double *score = dictGetVal(de); + + if (count == 0) { + int cmd_items = (items > REDIS_AOF_REWRITE_ITEMS_PER_CMD) ? + REDIS_AOF_REWRITE_ITEMS_PER_CMD : items; + + if (rioWriteBulkCount(r,'*',2+cmd_items*2) == 0) return 0; + if (rioWriteBulkString(r,"ZADD",4) == 0) return 0; + if (rioWriteBulkObject(r,key) == 0) return 0; + } + if (rioWriteBulkDouble(r,*score) == 0) return 0; + if (rioWriteBulkObject(r,eleobj) == 0) return 0; + if (++count == REDIS_AOF_REWRITE_ITEMS_PER_CMD) count = 0; + items--; + } + dictReleaseIterator(di); + } else { + redisPanic("Unknown sorted zset encoding"); + } + return 1; +} + +/* Write either the key or the value of the currently selected item of an hash. + * The 'hi' argument passes a valid Redis hash iterator. + * The 'what' filed specifies if to write a key or a value and can be + * either REDIS_HASH_KEY or REDIS_HASH_VALUE. + * + * The function returns 0 on error, non-zero on success. */ +static int rioWriteHashIteratorCursor(rio *r, hashTypeIterator *hi, int what) { + if (hi->encoding == REDIS_ENCODING_ZIPLIST) { + unsigned char *vstr = NULL; + unsigned int vlen = UINT_MAX; + long long vll = LLONG_MAX; + + hashTypeCurrentFromZiplist(hi, what, &vstr, &vlen, &vll); + if (vstr) { + return rioWriteBulkString(r, (char*)vstr, vlen); + } else { + return rioWriteBulkLongLong(r, vll); + } + + } else if (hi->encoding == REDIS_ENCODING_HT) { + robj *value; + + hashTypeCurrentFromHashTable(hi, what, &value); + return rioWriteBulkObject(r, value); + } + + redisPanic("Unknown hash encoding"); + return 0; +} + +/* Emit the commands needed to rebuild a hash object. + * The function returns 0 on error, 1 on success. */ +int rewriteHashObject(rio *r, robj *key, robj *o) { + hashTypeIterator *hi; + long long count = 0, items = hashTypeLength(o); + + hi = hashTypeInitIterator(o); + while (hashTypeNext(hi) != REDIS_ERR) { + if (count == 0) { + int cmd_items = (items > REDIS_AOF_REWRITE_ITEMS_PER_CMD) ? + REDIS_AOF_REWRITE_ITEMS_PER_CMD : items; + + if (rioWriteBulkCount(r,'*',2+cmd_items*2) == 0) return 0; + if (rioWriteBulkString(r,"HMSET",5) == 0) return 0; + if (rioWriteBulkObject(r,key) == 0) return 0; + } + + if (rioWriteHashIteratorCursor(r, hi, REDIS_HASH_KEY) == 0) return 0; + if (rioWriteHashIteratorCursor(r, hi, REDIS_HASH_VALUE) == 0) return 0; + if (++count == REDIS_AOF_REWRITE_ITEMS_PER_CMD) count = 0; + items--; + } + + hashTypeReleaseIterator(hi); + + return 1; +} + +/* Write a sequence of commands able to fully rebuild the dataset into + * "filename". Used both by REWRITEAOF and BGREWRITEAOF. + * + * In order to minimize the number of commands needed in the rewritten + * log Redis uses variadic commands when possible, such as RPUSH, SADD + * and ZADD. However at max REDIS_AOF_REWRITE_ITEMS_PER_CMD items per time + * are inserted using a single command. */ +int rewriteAppendOnlyFile(char *filename) { + dictIterator *di = NULL; + dictEntry *de; + rio aof; + FILE *fp; + char tmpfile[256]; + int j; + long long now = mstime(); + + /* Note that we have to use a different temp name here compared to the + * one used by rewriteAppendOnlyFileBackground() function. */ + snprintf(tmpfile,256,"temp-rewriteaof-%d.aof", (int) getpid()); + fp = fopen(tmpfile,"w"); + if (!fp) { + redisLog(REDIS_WARNING, "Opening the temp file for AOF rewrite in rewriteAppendOnlyFile(): %s", strerror(errno)); + return REDIS_ERR; + } + + rioInitWithFile(&aof,fp); + if (server.aof_rewrite_incremental_fsync) + rioSetAutoSync(&aof,REDIS_AOF_AUTOSYNC_BYTES); + for (j = 0; j < server.dbnum; j++) { + char selectcmd[] = "*2\r\n$6\r\nSELECT\r\n"; + redisDb *db = server.db+j; + dict *d = db->dict; + if (dictSize(d) == 0) continue; + di = dictGetSafeIterator(d); + if (!di) { + fclose(fp); + return REDIS_ERR; + } + + /* SELECT the new DB */ + if (rioWrite(&aof,selectcmd,sizeof(selectcmd)-1) == 0) goto werr; + if (rioWriteBulkLongLong(&aof,j) == 0) goto werr; + + /* Iterate this DB writing every entry */ + while((de = dictNext(di)) != NULL) { + sds keystr; + robj key, *o; + long long expiretime; + + keystr = dictGetKey(de); + o = dictGetVal(de); + initStaticStringObject(key,keystr); + + expiretime = getExpire(db,&key); + + /* If this key is already expired skip it */ + if (expiretime != -1 && expiretime < now) continue; + + /* Save the key and associated value */ + if (o->type == REDIS_STRING) { + /* Emit a SET command */ + char cmd[]="*3\r\n$3\r\nSET\r\n"; + if (rioWrite(&aof,cmd,sizeof(cmd)-1) == 0) goto werr; + /* Key and value */ + if (rioWriteBulkObject(&aof,&key) == 0) goto werr; + if (rioWriteBulkObject(&aof,o) == 0) goto werr; + } else if (o->type == REDIS_LIST) { + if (rewriteListObject(&aof,&key,o) == 0) goto werr; + } else if (o->type == REDIS_SET) { + if (rewriteSetObject(&aof,&key,o) == 0) goto werr; + } else if (o->type == REDIS_ZSET) { + if (rewriteSortedSetObject(&aof,&key,o) == 0) goto werr; + } else if (o->type == REDIS_HASH) { + if (rewriteHashObject(&aof,&key,o) == 0) goto werr; + } else { + redisPanic("Unknown object type"); + } + /* Save the expire time */ + if (expiretime != -1) { + char cmd[]="*3\r\n$9\r\nPEXPIREAT\r\n"; + if (rioWrite(&aof,cmd,sizeof(cmd)-1) == 0) goto werr; + if (rioWriteBulkObject(&aof,&key) == 0) goto werr; + if (rioWriteBulkLongLong(&aof,expiretime) == 0) goto werr; + } + } + dictReleaseIterator(di); + } + + /* Make sure data will not remain on the OS's output buffers */ + fflush(fp); + aof_fsync(fileno(fp)); + fclose(fp); + + /* Use RENAME to make sure the DB file is changed atomically only + * if the generate DB file is ok. */ + if (rename(tmpfile,filename) == -1) { + redisLog(REDIS_WARNING,"Error moving temp append only file on the final destination: %s", strerror(errno)); + unlink(tmpfile); + return REDIS_ERR; + } + redisLog(REDIS_NOTICE,"SYNC append only file rewrite performed"); + return REDIS_OK; + +werr: + fclose(fp); + unlink(tmpfile); + redisLog(REDIS_WARNING,"Write error writing append only file on disk: %s", strerror(errno)); + if (di) dictReleaseIterator(di); + return REDIS_ERR; +} + +/* This is how rewriting of the append only file in background works: + * + * 1) The user calls BGREWRITEAOF + * 2) Redis calls this function, that forks(): + * 2a) the child rewrite the append only file in a temp file. + * 2b) the parent accumulates differences in server.aof_rewrite_buf. + * 3) When the child finished '2a' exists. + * 4) The parent will trap the exit code, if it's OK, will append the + * data accumulated into server.aof_rewrite_buf into the temp file, and + * finally will rename(2) the temp file in the actual file name. + * The the new file is reopened as the new append only file. Profit! + */ +int rewriteAppendOnlyFileBackground(void) { + pid_t childpid; + long long start; + + if (server.aof_child_pid != -1) return REDIS_ERR; + start = ustime(); + if ((childpid = fork()) == 0) { + char tmpfile[256]; + + /* Child */ + if (server.ipfd > 0) close(server.ipfd); + if (server.sofd > 0) close(server.sofd); + snprintf(tmpfile,256,"temp-rewriteaof-bg-%d.aof", (int) getpid()); + if (rewriteAppendOnlyFile(tmpfile) == REDIS_OK) { + size_t private_dirty = zmalloc_get_private_dirty(); + + if (private_dirty) { + redisLog(REDIS_NOTICE, + "AOF rewrite: %lu MB of memory used by copy-on-write", + private_dirty/(1024*1024)); + } + exitFromChild(0); + } else { + exitFromChild(1); + } + } else { + /* Parent */ + server.stat_fork_time = ustime()-start; + if (childpid == -1) { + redisLog(REDIS_WARNING, + "Can't rewrite append only file in background: fork: %s", + strerror(errno)); + return REDIS_ERR; + } + redisLog(REDIS_NOTICE, + "Background append only file rewriting started by pid %d",childpid); + server.aof_rewrite_scheduled = 0; + server.aof_rewrite_time_start = time(NULL); + server.aof_child_pid = childpid; + updateDictResizePolicy(); + /* We set appendseldb to -1 in order to force the next call to the + * feedAppendOnlyFile() to issue a SELECT command, so the differences + * accumulated by the parent into server.aof_rewrite_buf will start + * with a SELECT statement and it will be safe to merge. */ + server.aof_selected_db = -1; + return REDIS_OK; + } + return REDIS_OK; /* unreached */ +} + +void bgrewriteaofCommand(redisClient *c) { + if (server.aof_child_pid != -1) { + addReplyError(c,"Background append only file rewriting already in progress"); + } else if (server.rdb_child_pid != -1) { + server.aof_rewrite_scheduled = 1; + addReplyStatus(c,"Background append only file rewriting scheduled"); + } else if (rewriteAppendOnlyFileBackground() == REDIS_OK) { + addReplyStatus(c,"Background append only file rewriting started"); + } else { + addReply(c,shared.err); + } +} + +void aofRemoveTempFile(pid_t childpid) { + char tmpfile[256]; + + snprintf(tmpfile,256,"temp-rewriteaof-bg-%d.aof", (int) childpid); + unlink(tmpfile); +} + +/* Update the server.aof_current_size filed explicitly using stat(2) + * to check the size of the file. This is useful after a rewrite or after + * a restart, normally the size is updated just adding the write length + * to the current length, that is much faster. */ +void aofUpdateCurrentSize(void) { + struct redis_stat sb; + + if (redis_fstat(server.aof_fd,&sb) == -1) { + redisLog(REDIS_WARNING,"Unable to obtain the AOF file length. stat: %s", + strerror(errno)); + } else { + server.aof_current_size = sb.st_size; + } +} + +/* A background append only file rewriting (BGREWRITEAOF) terminated its work. + * Handle this. */ +void backgroundRewriteDoneHandler(int exitcode, int bysignal) { + if (!bysignal && exitcode == 0) { + int newfd, oldfd; + char tmpfile[256]; + long long now = ustime(); + + redisLog(REDIS_NOTICE, + "Background AOF rewrite terminated with success"); + + /* Flush the differences accumulated by the parent to the + * rewritten AOF. */ + snprintf(tmpfile,256,"temp-rewriteaof-bg-%d.aof", + (int)server.aof_child_pid); + newfd = open(tmpfile,O_WRONLY|O_APPEND); + if (newfd == -1) { + redisLog(REDIS_WARNING, + "Unable to open the temporary AOF produced by the child: %s", strerror(errno)); + goto cleanup; + } + + if (aofRewriteBufferWrite(newfd) == -1) { + redisLog(REDIS_WARNING, + "Error trying to flush the parent diff to the rewritten AOF: %s", strerror(errno)); + close(newfd); + goto cleanup; + } + + redisLog(REDIS_NOTICE, + "Parent diff successfully flushed to the rewritten AOF (%lu bytes)", aofRewriteBufferSize()); + + /* The only remaining thing to do is to rename the temporary file to + * the configured file and switch the file descriptor used to do AOF + * writes. We don't want close(2) or rename(2) calls to block the + * server on old file deletion. + * + * There are two possible scenarios: + * + * 1) AOF is DISABLED and this was a one time rewrite. The temporary + * file will be renamed to the configured file. When this file already + * exists, it will be unlinked, which may block the server. + * + * 2) AOF is ENABLED and the rewritten AOF will immediately start + * receiving writes. After the temporary file is renamed to the + * configured file, the original AOF file descriptor will be closed. + * Since this will be the last reference to that file, closing it + * causes the underlying file to be unlinked, which may block the + * server. + * + * To mitigate the blocking effect of the unlink operation (either + * caused by rename(2) in scenario 1, or by close(2) in scenario 2), we + * use a background thread to take care of this. First, we + * make scenario 1 identical to scenario 2 by opening the target file + * when it exists. The unlink operation after the rename(2) will then + * be executed upon calling close(2) for its descriptor. Everything to + * guarantee atomicity for this switch has already happened by then, so + * we don't care what the outcome or duration of that close operation + * is, as long as the file descriptor is released again. */ + if (server.aof_fd == -1) { + /* AOF disabled */ + + /* Don't care if this fails: oldfd will be -1 and we handle that. + * One notable case of -1 return is if the old file does + * not exist. */ + oldfd = open(server.aof_filename,O_RDONLY|O_NONBLOCK); + } else { + /* AOF enabled */ + oldfd = -1; /* We'll set this to the current AOF filedes later. */ + } + + /* Rename the temporary file. This will not unlink the target file if + * it exists, because we reference it with "oldfd". */ + if (rename(tmpfile,server.aof_filename) == -1) { + redisLog(REDIS_WARNING, + "Error trying to rename the temporary AOF file: %s", strerror(errno)); + close(newfd); + if (oldfd != -1) close(oldfd); + goto cleanup; + } + + if (server.aof_fd == -1) { + /* AOF disabled, we don't need to set the AOF file descriptor + * to this new file, so we can close it. */ + close(newfd); + } else { + /* AOF enabled, replace the old fd with the new one. */ + oldfd = server.aof_fd; + server.aof_fd = newfd; + if (server.aof_fsync == AOF_FSYNC_ALWAYS) + aof_fsync(newfd); + else if (server.aof_fsync == AOF_FSYNC_EVERYSEC) + aof_background_fsync(newfd); + server.aof_selected_db = -1; /* Make sure SELECT is re-issued */ + aofUpdateCurrentSize(); + server.aof_rewrite_base_size = server.aof_current_size; + + /* Clear regular AOF buffer since its contents was just written to + * the new AOF from the background rewrite buffer. */ + sdsfree(server.aof_buf); + server.aof_buf = sdsempty(); + } + + server.aof_lastbgrewrite_status = REDIS_OK; + + redisLog(REDIS_NOTICE, "Background AOF rewrite finished successfully"); + /* Change state from WAIT_REWRITE to ON if needed */ + if (server.aof_state == REDIS_AOF_WAIT_REWRITE) + server.aof_state = REDIS_AOF_ON; + + /* Asynchronously close the overwritten AOF. */ + if (oldfd != -1) bioCreateBackgroundJob(REDIS_BIO_CLOSE_FILE,(void*)(long)oldfd,NULL,NULL); + + redisLog(REDIS_VERBOSE, + "Background AOF rewrite signal handler took %lldus", ustime()-now); + } else if (!bysignal && exitcode != 0) { + server.aof_lastbgrewrite_status = REDIS_ERR; + + redisLog(REDIS_WARNING, + "Background AOF rewrite terminated with error"); + } else { + server.aof_lastbgrewrite_status = REDIS_ERR; + + redisLog(REDIS_WARNING, + "Background AOF rewrite terminated by signal %d", bysignal); + } + +cleanup: + aofRewriteBufferReset(); + aofRemoveTempFile(server.aof_child_pid); + server.aof_child_pid = -1; + server.aof_rewrite_time_last = time(NULL)-server.aof_rewrite_time_start; + server.aof_rewrite_time_start = -1; + /* Schedule a new rewrite if we are waiting for it to switch the AOF ON. */ + if (server.aof_state == REDIS_AOF_WAIT_REWRITE) + server.aof_rewrite_scheduled = 1; +} diff --git a/src/asciilogo.h b/src/asciilogo.h index 83c538b..ed7cf46 100644 --- a/src/asciilogo.h +++ b/src/asciilogo.h @@ -1,47 +1,47 @@ -/* - * Copyright (c) 2009-2012, Salvatore Sanfilippo - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * * Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * * Neither the name of Redis nor the names of its contributors may be used - * to endorse or promote products derived from this software without - * specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -char *ascii_logo = -" _._ \n" -" _.-``__ ''-._ \n" -" _.-`` `. `_. ''-._ Redis %s (%s/%d) %s bit\n" -" .-`` .-```. ```\\/ _.,_ ''-._ \n" -" ( ' , .-` | `, ) Running in %s mode\n" -" |`-._`-...-` __...-.``-._|'` _.-'| Port: %d\n" -" | `-._ `._ / _.-' | PID: %ld\n" -" `-._ `-._ `-./ _.-' _.-' \n" -" |`-._`-._ `-.__.-' _.-'_.-'| \n" -" | `-._`-._ _.-'_.-' | http://redis.io \n" -" `-._ `-._`-.__.-'_.-' _.-' \n" -" |`-._`-._ `-.__.-' _.-'_.-'| \n" -" | `-._`-._ _.-'_.-' | \n" -" `-._ `-._`-.__.-'_.-' _.-' \n" -" `-._ `-.__.-' _.-' \n" -" `-._ _.-' \n" -" `-.__.-' \n\n"; +/* + * Copyright (c) 2009-2012, Salvatore Sanfilippo + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of Redis nor the names of its contributors may be used + * to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +char *ascii_logo = +" _._ \n" +" _.-``__ ''-._ \n" +" _.-`` `. `_. ''-._ Redis-storage %s (%s/%d) %s bit\n" +" .-`` .-```. ```\\/ _.,_ ''-._ \n" +" ( ' , .-` | `, ) Running in %s mode\n" +" |`-._`-...-` __...-.``-._|'` _.-'| Port: %d\n" +" | `-._ `._ / _.-' | PID: %ld\n" +" `-._ `-._ `-./ _.-' _.-' \n" +" |`-._`-._ `-.__.-' _.-'_.-'| \n" +" | `-._`-._ _.-'_.-' | https://github.com/shenzhe/redis-storage \n" +" `-._ `-._`-.__.-'_.-' _.-' \n" +" |`-._`-._ `-.__.-' _.-'_.-'| \n" +" | `-._`-._ _.-'_.-' | \n" +" `-._ `-._`-.__.-'_.-' _.-' \n" +" `-._ `-.__.-' _.-' \n" +" `-._ _.-' \n" +" `-.__.-' \n\n"; diff --git a/src/bio.c b/src/bio.c index f3ddd67..744c4c9 100644 --- a/src/bio.c +++ b/src/bio.c @@ -73,7 +73,7 @@ static list *bio_jobs[REDIS_BIO_NUM_OPS]; static unsigned long long bio_pending[REDIS_BIO_NUM_OPS]; /* This structure represents a background Job. It is only used locally to this - * file as the API deos not expose the internals at all. */ + * file as the API does not expose the internals at all. */ struct bio_job { time_t time; /* Time at which the job was created. */ /* Job specific arguments pointers. If we need to pass more than three diff --git a/src/bitops.c b/src/bitops.c index 3ef0a8f..926d1ea 100644 --- a/src/bitops.c +++ b/src/bitops.c @@ -34,7 +34,7 @@ * Helpers and low level bit functions. * -------------------------------------------------------------------------- */ -/* This helper function used by GETBIT / SETBIT parses the bit offset arguemnt +/* This helper function used by GETBIT / SETBIT parses the bit offset argument * making sure an error is returned if it is negative or if it overflows * Redis 512 MB limit for the string value. */ static int getBitOffsetFromArgument(redisClient *c, robj *o, size_t *offset) { @@ -58,8 +58,8 @@ static int getBitOffsetFromArgument(redisClient *c, robj *o, size_t *offset) { /* Count number of bits set in the binary array pointed by 's' and long * 'count' bytes. The implementation of this function is required to * work with a input string length up to 512 MB. */ -long popcount(void *s, long count) { - long bits = 0; +size_t popcount(void *s, long count) { + size_t bits = 0; unsigned char *p; uint32_t *p4 = s; static const unsigned char bitsinbyte[256] = {0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4,1,2,2,3,2,3,3,4,2,3,3,4,3,4,4,5,1,2,2,3,2,3,3,4,2,3,3,4,3,4,4,5,2,3,3,4,3,4,4,5,3,4,4,5,4,5,5,6,1,2,2,3,2,3,3,4,2,3,3,4,3,4,4,5,2,3,3,4,3,4,4,5,3,4,4,5,4,5,5,6,2,3,3,4,3,4,4,5,3,4,4,5,4,5,5,6,3,4,4,5,4,5,5,6,4,5,5,6,5,6,6,7,1,2,2,3,2,3,3,4,2,3,3,4,3,4,4,5,2,3,3,4,3,4,4,5,3,4,4,5,4,5,5,6,2,3,3,4,3,4,4,5,3,4,4,5,4,5,5,6,3,4,4,5,4,5,5,6,4,5,5,6,5,6,6,7,2,3,3,4,3,4,4,5,3,4,4,5,4,5,5,6,3,4,4,5,4,5,5,6,4,5,5,6,5,6,6,7,3,4,4,5,4,5,5,6,4,5,5,6,5,6,6,7,4,5,5,6,5,6,6,7,5,6,6,7,6,7,7,8}; @@ -189,7 +189,7 @@ void bitopCommand(redisClient *c) { char *opname = c->argv[1]->ptr; robj *o, *targetkey = c->argv[2]; long op, j, numkeys; - robj **objects; /* Array of soruce objects. */ + robj **objects; /* Array of source objects. */ unsigned char **src; /* Array of source strings pointers. */ long *len, maxlen = 0; /* Array of length of src strings, and max len. */ long minlen = 0; /* Min len among the input keys. */ diff --git a/src/config.c b/src/config.c index 26601d9..6bcffb1 100644 --- a/src/config.c +++ b/src/config.c @@ -68,11 +68,21 @@ void loadServerConfigFromString(char *config) { linenum = i+1; lines[i] = sdstrim(lines[i]," \t\r\n"); - /* Skip comments and blank lines*/ + /* Skip comments and blank lines */ if (lines[i][0] == '#' || lines[i][0] == '\0') continue; /* Split into arguments */ argv = sdssplitargs(lines[i],&argc); + if (argv == NULL) { + err = "Unbalanced quotes in configuration line"; + goto loaderr; + } + + /* Skip this line if the resulting command vector is empty. */ + if (argc == 0) { + sdsfreesplitres(argv,argc); + return; + } sdstolower(argv[0]); /* Execute config directives */ @@ -81,7 +91,20 @@ void loadServerConfigFromString(char *config) { if (server.maxidletime < 0) { err = "Invalid timeout value"; goto loaderr; } - } + } else if (!strcasecmp(argv[0],"tcp-keepalive") && argc == 2) { + server.tcpkeepalive = atoi(argv[1]); + if (server.tcpkeepalive < 0) { + err = "Invalid tcp-keepalive value"; goto loaderr; + } + } + else if (!strcasecmp(argv[0],"ds:open") && argc == 2) + { + server.ds_open = atoi(argv[1]); + if (server.ds_open < 0 || server.ds_open > 1) + { + err = "Invalid ds_open"; goto loaderr; + } + } else if (!strcasecmp(argv[0],"ds:create_if_missing") && argc == 2) { server.ds_create_if_missing = atoi(argv[1]); @@ -109,10 +132,6 @@ void loadServerConfigFromString(char *config) { else if (!strcasecmp(argv[0],"ds:ds_lru_cache") && argc == 2) { server.ds_lru_cache = strtoul(argv[1],NULL,10); - } - else if (!strcasecmp(argv[0],"ds:block_cache_size") && argc == 2) - { - server.ds_block_cache_size = strtoul(argv[1],NULL,10); } else if (!strcasecmp(argv[0],"ds:write_buffer_size") && argc == 2) { @@ -133,6 +152,14 @@ void loadServerConfigFromString(char *config) { else if (!strcasecmp(argv[0],"ds:path") && argc == 2) { server.ds_path = zstrdup(argv[1]); + } + else if (!strcasecmp(argv[0],"rl:ttl") && argc == 2) + { + server.rl_ttl = atoi(argv[1]); + } + else if (!strcasecmp(argv[0],"rl:ttlcheck") && argc == 2) + { + server.rl_ttlcheck = atoi(argv[1]); } else if (!strcasecmp(argv[0],"port") && argc == 2) { server.port = atoi(argv[1]); @@ -283,6 +310,10 @@ void loadServerConfigFromString(char *config) { err = "repl-timeout must be 1 or greater"; goto loaderr; } + } else if (!strcasecmp(argv[0],"repl-disable-tcp-nodelay") && argc==2) { + if ((server.repl_disable_tcp_nodelay = yesnotoi(argv[1])) == -1) { + err = "argument must be 'yes' or 'no'"; goto loaderr; + } } else if (!strcasecmp(argv[0],"masterauth") && argc == 2) { server.masterauth = zstrdup(argv[1]); } else if (!strcasecmp(argv[0],"slave-serve-stale-data") && argc == 2) { @@ -309,6 +340,10 @@ void loadServerConfigFromString(char *config) { if ((server.daemonize = yesnotoi(argv[1])) == -1) { err = "argument must be 'yes' or 'no'"; goto loaderr; } + } else if (!strcasecmp(argv[0],"hz") && argc == 2) { + server.hz = atoi(argv[1]); + if (server.hz < REDIS_MIN_HZ) server.hz = REDIS_MIN_HZ; + if (server.hz > REDIS_MAX_HZ) server.hz = REDIS_MAX_HZ; } else if (!strcasecmp(argv[0],"appendonly") && argc == 2) { int yes; @@ -347,6 +382,12 @@ void loadServerConfigFromString(char *config) { argc == 2) { server.aof_rewrite_min_size = memtoll(argv[1],NULL); + } else if (!strcasecmp(argv[0],"aof-rewrite-incremental-fsync") && + argc == 2) + { + if ((server.aof_rewrite_incremental_fsync = yesnotoi(argv[1])) == -1) { + err = "argument must be 'yes' or 'no'"; goto loaderr; + } } else if (!strcasecmp(argv[0],"requirepass") && argc == 2) { if (strlen(argv[1]) > REDIS_AUTHPASS_MAX_LEN) { err = "Password is longer than REDIS_AUTHPASS_MAX_LEN"; @@ -382,7 +423,7 @@ void loadServerConfigFromString(char *config) { goto loaderr; } - /* If the target command name is the emtpy string we just + /* If the target command name is the empty string we just * remove it from the command table. */ retval = dictDelete(server.commands, argv[1]); redisAssert(retval == DICT_OK); @@ -420,7 +461,7 @@ void loadServerConfigFromString(char *config) { soft = memtoll(argv[3],NULL); soft_seconds = atoi(argv[4]); if (soft_seconds < 0) { - err = "Negative number of seconds in soft limt is invalid"; + err = "Negative number of seconds in soft limit is invalid"; goto loaderr; } server.client_obuf_limits[class].hard_limit_bytes = hard; @@ -465,7 +506,7 @@ void loadServerConfigFromString(char *config) { * in the 'options' string to the config file before loading. * * Both filename and options can be NULL, in such a case are considered - * emtpy. This way loadServerConfig can be used to just load a file or + * empty. This way loadServerConfig can be used to just load a file or * just load a string. */ void loadServerConfig(char *filename, char *options) { sds config = sdsempty(); @@ -517,7 +558,7 @@ void configSetCommand(redisClient *c) { server.requirepass = ((char*)o->ptr)[0] ? zstrdup(o->ptr) : NULL; } else if (!strcasecmp(c->argv[2]->ptr,"masterauth")) { zfree(server.masterauth); - server.masterauth = zstrdup(o->ptr); + server.masterauth = ((char*)o->ptr)[0] ? zstrdup(o->ptr) : NULL; } else if (!strcasecmp(c->argv[2]->ptr,"maxmemory")) { if (getLongLongFromObject(o,&ll) == REDIS_ERR || ll < 0) goto badfmt; @@ -528,6 +569,12 @@ void configSetCommand(redisClient *c) { } freeMemoryIfNeeded(); } + } else if (!strcasecmp(c->argv[2]->ptr,"hz")) { + if (getLongLongFromObject(o,&ll) == REDIS_ERR || + ll < 0) goto badfmt; + server.hz = (int) ll; + if (server.hz < REDIS_MIN_HZ) server.hz = REDIS_MIN_HZ; + if (server.hz > REDIS_MAX_HZ) server.hz = REDIS_MAX_HZ; } else if (!strcasecmp(c->argv[2]->ptr,"maxmemory-policy")) { if (!strcasecmp(o->ptr,"volatile-lru")) { server.maxmemory_policy = REDIS_MAXMEMORY_VOLATILE_LRU; @@ -552,6 +599,10 @@ void configSetCommand(redisClient *c) { if (getLongLongFromObject(o,&ll) == REDIS_ERR || ll < 0 || ll > LONG_MAX) goto badfmt; server.maxidletime = ll; + } else if (!strcasecmp(c->argv[2]->ptr,"tcp-keepalive")) { + if (getLongLongFromObject(o,&ll) == REDIS_ERR || + ll < 0 || ll > INT_MAX) goto badfmt; + server.tcpkeepalive = ll; } else if (!strcasecmp(c->argv[2]->ptr,"appendfsync")) { if (!strcasecmp(o->ptr,"no")) { server.aof_fsync = AOF_FSYNC_NO; @@ -586,6 +637,11 @@ void configSetCommand(redisClient *c) { } else if (!strcasecmp(c->argv[2]->ptr,"auto-aof-rewrite-min-size")) { if (getLongLongFromObject(o,&ll) == REDIS_ERR || ll < 0) goto badfmt; server.aof_rewrite_min_size = ll; + } else if (!strcasecmp(c->argv[2]->ptr,"aof-rewrite-incremental-fsync")) { + int yn = yesnotoi(o->ptr); + + if (yn == -1) goto badfmt; + server.aof_rewrite_incremental_fsync = yn; } else if (!strcasecmp(c->argv[2]->ptr,"save")) { int vlen, j; sds *v = sdssplitlen(o->ptr,sdslen(o->ptr)," ",1,&vlen); @@ -750,6 +806,11 @@ void configSetCommand(redisClient *c) { if (yn == -1) goto badfmt; server.rdb_checksum = yn; + } else if (!strcasecmp(c->argv[2]->ptr,"repl-disable-tcp-nodelay")) { + int yn = yesnotoi(o->ptr); + + if (yn == -1) goto badfmt; + server.repl_disable_tcp_nodelay = yn; } else if (!strcasecmp(c->argv[2]->ptr,"slave-priority")) { if (getLongLongFromObject(o,&ll) == REDIS_ERR || ll <= 0) goto badfmt; @@ -804,7 +865,7 @@ void configGetCommand(redisClient *c) { /* String values */ config_get_string_field("dbfilename",server.rdb_filename); config_get_string_field("requirepass",server.requirepass); - config_get_string_field("masterauth",server.requirepass); + config_get_string_field("masterauth",server.masterauth); config_get_string_field("bind",server.bindaddr); config_get_string_field("unixsocket",server.unixsocket); config_get_string_field("logfile",server.logfile); @@ -814,6 +875,7 @@ void configGetCommand(redisClient *c) { config_get_numerical_field("maxmemory",server.maxmemory); config_get_numerical_field("maxmemory-samples",server.maxmemory_samples); config_get_numerical_field("timeout",server.maxidletime); + config_get_numerical_field("tcp-keepalive",server.tcpkeepalive); config_get_numerical_field("auto-aof-rewrite-percentage", server.aof_rewrite_perc); config_get_numerical_field("auto-aof-rewrite-min-size", @@ -844,6 +906,7 @@ void configGetCommand(redisClient *c) { config_get_numerical_field("maxclients",server.maxclients); config_get_numerical_field("watchdog-period",server.watchdog_period); config_get_numerical_field("slave-priority",server.slave_priority); + config_get_numerical_field("hz",server.hz); /* Bool (yes/no) values */ config_get_bool_field("no-appendfsync-on-rewrite", @@ -858,6 +921,10 @@ void configGetCommand(redisClient *c) { config_get_bool_field("rdbcompression", server.rdb_compression); config_get_bool_field("rdbchecksum", server.rdb_checksum); config_get_bool_field("activerehashing", server.activerehashing); + config_get_bool_field("repl-disable-tcp-nodelay", + server.repl_disable_tcp_nodelay); + config_get_bool_field("aof-rewrite-incremental-fsync", + server.aof_rewrite_incremental_fsync); /* Everything we can't handle with macros follows. */ diff --git a/src/config.h b/src/config.h index db33407..1a6d12c 100644 --- a/src/config.h +++ b/src/config.h @@ -1,166 +1,179 @@ -/* - * Copyright (c) 2009-2012, Salvatore Sanfilippo - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * * Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * * Neither the name of Redis nor the names of its contributors may be used - * to endorse or promote products derived from this software without - * specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -#ifndef __CONFIG_H -#define __CONFIG_H - -#ifdef __APPLE__ -#include -#endif - -/* Define redis_fstat to fstat or fstat64() */ -#if defined(__APPLE__) && !defined(MAC_OS_X_VERSION_10_6) -#define redis_fstat fstat64 -#define redis_stat stat64 -#else -#define redis_fstat fstat -#define redis_stat stat -#endif - -/* Test for proc filesystem */ -#ifdef __linux__ -#define HAVE_PROCFS 1 -#endif - -/* Test for task_info() */ -#if defined(__APPLE__) -#define HAVE_TASKINFO 1 -#endif - -/* Test for backtrace() */ -#if defined(__APPLE__) || defined(__linux__) || defined(__sun) -#define HAVE_BACKTRACE 1 -#endif - -/* Test for polling API */ -#ifdef __linux__ -#define HAVE_EPOLL 1 -#endif - -#if (defined(__APPLE__) && defined(MAC_OS_X_VERSION_10_6)) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined (__NetBSD__) -#define HAVE_KQUEUE 1 -#endif - -#ifdef __sun -#include -#ifdef _DTRACE_VERSION -#define HAVE_EVPORT 1 -#endif -#endif - -/* Define aof_fsync to fdatasync() in Linux and fsync() for all the rest */ -#ifdef __linux__ -#define aof_fsync fdatasync -#else -#define aof_fsync fsync -#endif - -/* Define rdb_fsync_range to sync_file_range() on Linux, otherwise we use - * the plain fsync() call. */ -#ifdef __linux__ -#include -#include -#if defined(__GLIBC__) && defined(__GLIBC_PREREQ) -#if (LINUX_VERSION_CODE >= 0x020611 && __GLIBC_PREREQ(2, 6)) -#define HAVE_SYNC_FILE_RANGE 1 -#endif -#else -#if (LINUX_VERSION_CODE >= 0x020611) -#define HAVE_SYNC_FILE_RANGE 1 -#endif -#endif -#endif - -#ifdef HAVE_SYNC_FILE_RANGE -#define rdb_fsync_range(fd,off,size) sync_file_range(fd,off,size,SYNC_FILE_RANGE_WAIT_BEFORE|SYNC_FILE_RANGE_WRITE) -#else -#define rdb_fsync_range(fd,off,size) fsync(fd) -#endif - -/* Byte ordering detection */ -#include /* This will likely define BYTE_ORDER */ - -#ifndef BYTE_ORDER -#if (BSD >= 199103) -# include -#else -#if defined(linux) || defined(__linux__) -# include -#else -#define LITTLE_ENDIAN 1234 /* least-significant byte first (vax, pc) */ -#define BIG_ENDIAN 4321 /* most-significant byte first (IBM, net) */ -#define PDP_ENDIAN 3412 /* LSB first in word, MSW first in long (pdp)*/ - -#if defined(__i386__) || defined(__x86_64__) || defined(__amd64__) || \ - defined(vax) || defined(ns32000) || defined(sun386) || \ - defined(MIPSEL) || defined(_MIPSEL) || defined(BIT_ZERO_ON_RIGHT) || \ - defined(__alpha__) || defined(__alpha) -#define BYTE_ORDER LITTLE_ENDIAN -#endif - -#if defined(sel) || defined(pyr) || defined(mc68000) || defined(sparc) || \ - defined(is68k) || defined(tahoe) || defined(ibm032) || defined(ibm370) || \ - defined(MIPSEB) || defined(_MIPSEB) || defined(_IBMR2) || defined(DGUX) ||\ - defined(apollo) || defined(__convex__) || defined(_CRAY) || \ - defined(__hppa) || defined(__hp9000) || \ - defined(__hp9000s300) || defined(__hp9000s700) || \ - defined (BIT_ZERO_ON_LEFT) || defined(m68k) || defined(__sparc) -#define BYTE_ORDER BIG_ENDIAN -#endif -#endif /* linux */ -#endif /* BSD */ -#endif /* BYTE_ORDER */ - -#if defined(__BYTE_ORDER) && !defined(BYTE_ORDER) -#if (__BYTE_ORDER == __LITTLE_ENDIAN) -#define BYTE_ORDER LITTLE_ENDIAN -#else -#define BYTE_ORDER BIG_ENDIAN -#endif -#endif - -#if !defined(BYTE_ORDER) || \ - (BYTE_ORDER != BIG_ENDIAN && BYTE_ORDER != LITTLE_ENDIAN) - /* you must determine what the correct bit order is for - * your compiler - the next line is an intentional error - * which will force your compiles to bomb until you fix - * the above macros. - */ -#error "Undefined or invalid BYTE_ORDER" -#endif - -#if (__i386 || __amd64) && __GNUC__ -#define GNUC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__) -#if GNUC_VERSION >= 40100 -#define HAVE_ATOMIC -#endif -#endif - - -#endif +/* + * Copyright (c) 2009-2012, Salvatore Sanfilippo + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of Redis nor the names of its contributors may be used + * to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef __CONFIG_H +#define __CONFIG_H + +#ifdef __APPLE__ +#include +#endif + +/* Define redis_fstat to fstat or fstat64() */ +#if defined(__APPLE__) && !defined(MAC_OS_X_VERSION_10_6) +#define redis_fstat fstat64 +#define redis_stat stat64 +#else +#define redis_fstat fstat +#define redis_stat stat +#endif + +/* Test for proc filesystem */ +#ifdef __linux__ +#define HAVE_PROCFS 1 +#endif + +/* Test for task_info() */ +#if defined(__APPLE__) +#define HAVE_TASKINFO 1 +#endif + +/* Test for backtrace() */ +#if defined(__APPLE__) || defined(__linux__) || defined(__sun) +#define HAVE_BACKTRACE 1 +#endif + +/* Test for polling API */ +#ifdef __linux__ +#define HAVE_EPOLL 1 +#endif + +#if (defined(__APPLE__) && defined(MAC_OS_X_VERSION_10_6)) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined (__NetBSD__) +#define HAVE_KQUEUE 1 +#endif + +#ifdef __sun +#include +#ifdef _DTRACE_VERSION +#define HAVE_EVPORT 1 +#endif +#endif + +/* Define aof_fsync to fdatasync() in Linux and fsync() for all the rest */ +#ifdef __linux__ +#define aof_fsync fdatasync +#else +#define aof_fsync fsync +#endif + +/* Define rdb_fsync_range to sync_file_range() on Linux, otherwise we use + * the plain fsync() call. */ +#ifdef __linux__ +#include +#include +#if defined(__GLIBC__) && defined(__GLIBC_PREREQ) +#if (LINUX_VERSION_CODE >= 0x020611 && __GLIBC_PREREQ(2, 6)) +#define HAVE_SYNC_FILE_RANGE 1 +#endif +#else +#if (LINUX_VERSION_CODE >= 0x020611) +#define HAVE_SYNC_FILE_RANGE 1 +#endif +#endif +#endif + +#ifdef HAVE_SYNC_FILE_RANGE +#define rdb_fsync_range(fd,off,size) sync_file_range(fd,off,size,SYNC_FILE_RANGE_WAIT_BEFORE|SYNC_FILE_RANGE_WRITE) +#else +#define rdb_fsync_range(fd,off,size) fsync(fd) +#endif + +/* Byte ordering detection */ +#include /* This will likely define BYTE_ORDER */ + +#ifndef BYTE_ORDER +#if (BSD >= 199103) +# include +#else +#if defined(linux) || defined(__linux__) +# include +#else +#define LITTLE_ENDIAN 1234 /* least-significant byte first (vax, pc) */ +#define BIG_ENDIAN 4321 /* most-significant byte first (IBM, net) */ +#define PDP_ENDIAN 3412 /* LSB first in word, MSW first in long (pdp)*/ + +#if defined(__i386__) || defined(__x86_64__) || defined(__amd64__) || \ + defined(vax) || defined(ns32000) || defined(sun386) || \ + defined(MIPSEL) || defined(_MIPSEL) || defined(BIT_ZERO_ON_RIGHT) || \ + defined(__alpha__) || defined(__alpha) +#define BYTE_ORDER LITTLE_ENDIAN +#endif + +#if defined(sel) || defined(pyr) || defined(mc68000) || defined(sparc) || \ + defined(is68k) || defined(tahoe) || defined(ibm032) || defined(ibm370) || \ + defined(MIPSEB) || defined(_MIPSEB) || defined(_IBMR2) || defined(DGUX) ||\ + defined(apollo) || defined(__convex__) || defined(_CRAY) || \ + defined(__hppa) || defined(__hp9000) || \ + defined(__hp9000s300) || defined(__hp9000s700) || \ + defined (BIT_ZERO_ON_LEFT) || defined(m68k) || defined(__sparc) +#define BYTE_ORDER BIG_ENDIAN +#endif +#endif /* linux */ +#endif /* BSD */ +#endif /* BYTE_ORDER */ + +/* Sometimes after including an OS-specific header that defines the + * endianess we end with __BYTE_ORDER but not with BYTE_ORDER that is what + * the Redis code uses. In this case let's define everything without the + * underscores. */ +#ifndef BYTE_ORDER +#ifdef __BYTE_ORDER +#if defined(__LITTLE_ENDIAN) && defined(__BIG_ENDIAN) +#ifndef LITTLE_ENDIAN +#define LITTLE_ENDIAN __LITTLE_ENDIAN +#endif +#ifndef BIG_ENDIAN +#define BIG_ENDIAN __BIG_ENDIAN +#endif +#if (__BYTE_ORDER == __LITTLE_ENDIAN) +#define BYTE_ORDER LITTLE_ENDIAN +#else +#define BYTE_ORDER BIG_ENDIAN +#endif +#endif +#endif +#endif + +#if !defined(BYTE_ORDER) || \ + (BYTE_ORDER != BIG_ENDIAN && BYTE_ORDER != LITTLE_ENDIAN) + /* you must determine what the correct bit order is for + * your compiler - the next line is an intentional error + * which will force your compiles to bomb until you fix + * the above macros. + */ +#error "Undefined or invalid BYTE_ORDER" +#endif + +#if (__i386 || __amd64) && __GNUC__ +#define GNUC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__) +#if GNUC_VERSION >= 40100 +#define HAVE_ATOMIC +#endif +#endif + +#endif diff --git a/src/db.c b/src/db.c index 5947957..fce1f5f 100644 --- a/src/db.c +++ b/src/db.c @@ -44,7 +44,7 @@ robj *lookupKey(redisDb *db, robj *key) { if (de) { robj *val = dictGetVal(de); - /* Update the access time for the aging algorithm. + /* Update the access time for the ageing algorithm. * Don't do it if we have a saving child, as this will trigger * a copy on write madness. */ if (server.rdb_child_pid == -1 && server.aof_child_pid == -1) @@ -85,7 +85,7 @@ robj *lookupKeyWriteOrReply(redisClient *c, robj *key, robj *reply) { } /* Add the key to the DB. It's up to the caller to increment the reference - * counte of the value if needed. + * counter of the value if needed. * * The program is aborted if the key already exists. */ void dbAdd(redisDb *db, robj *key, robj *val) { @@ -219,7 +219,7 @@ void flushallCommand(redisClient *c) { server.dirty += emptyDb(); addReply(c,shared.ok); if (server.rdb_child_pid != -1) { - kill(server.rdb_child_pid,SIGKILL); + kill(server.rdb_child_pid,SIGUSR1); rdbRemoveTempFile(server.rdb_child_pid); } if (server.saveparamslen > 0) { @@ -455,6 +455,7 @@ void setExpire(redisDb *db, robj *key, long long when) { /* Reuse the sds from the main dict in the expire dict */ kde = dictFind(db->dict,key->ptr); + if(kde == NULL) return; redisAssertWithInfo(NULL,key,kde != NULL); de = dictReplaceRaw(db->expires,dictGetKey(kde)); dictSetSignedIntegerVal(de,when); @@ -538,9 +539,8 @@ int expireIfNeeded(redisDb *db, robj *key) { * for *AT variants of the command, or the current time for relative expires). * * unit is either UNIT_SECONDS or UNIT_MILLISECONDS, and is only used for - * the argv[2] parameter. The basetime is always specified in milliesconds. */ + * the argv[2] parameter. The basetime is always specified in milliseconds. */ void expireGenericCommand(redisClient *c, long long basetime, int unit) { - dictEntry *de; robj *key = c->argv[1], *param = c->argv[2]; long long when; /* unix time in milliseconds when the key will expire. */ @@ -550,11 +550,12 @@ void expireGenericCommand(redisClient *c, long long basetime, int unit) { if (unit == UNIT_SECONDS) when *= 1000; when += basetime; - de = dictFind(c->db->dict,key->ptr); - if (de == NULL) { + /* No key, return zero. */ + if (lookupKeyRead(c->db,key) == NULL) { addReply(c,shared.czero); return; } + /* EXPIRE with negative TTL, or EXPIREAT with a timestamp into the past * should never be executed as a DEL when load the AOF or in the context * of a slave instance. diff --git a/src/debug.c b/src/debug.c index 1a0e1b7..db1d8fe 100644 --- a/src/debug.c +++ b/src/debug.c @@ -42,7 +42,7 @@ /* ================================= Debugging ============================== */ /* Compute the sha1 of string at 's' with 'len' bytes long. - * The SHA1 is then xored againt the string pointed by digest. + * The SHA1 is then xored against the string pointed by digest. * Since xor is commutative, this operation is used in order to * "add" digests relative to unordered elements. * @@ -67,7 +67,7 @@ void xorObjectDigest(unsigned char *digest, robj *o) { } /* This function instead of just computing the SHA1 and xoring it - * against diget, also perform the digest of "digest" itself and + * against digest, also perform the digest of "digest" itself and * replace the old value with the new one. * * So the final digest will be: @@ -330,9 +330,14 @@ void debugCommand(redisClient *c) { usleep(utime); addReply(c,shared.ok); + } else if (!strcasecmp(c->argv[1]->ptr,"set-active-expire") && + c->argc == 3) + { + server.active_expire_enabled = atoi(c->argv[2]->ptr); + addReply(c,shared.ok); } else { - addReplyError(c, - "Syntax error, try DEBUG [SEGFAULT|OBJECT |SWAPIN |SWAPOUT |RELOAD]"); + addReplyErrorFormat(c, "Unknown DEBUG subcommand or wrong number of arguments for '%s'", + (char*)c->argv[1]->ptr); } } @@ -382,9 +387,12 @@ void redisLogObjectDebugInfo(robj *o) { redisLog(REDIS_WARNING,"Object encoding: %d", o->encoding); redisLog(REDIS_WARNING,"Object refcount: %d", o->refcount); if (o->type == REDIS_STRING && o->encoding == REDIS_ENCODING_RAW) { - redisLog(REDIS_WARNING,"Object raw string len: %d", sdslen(o->ptr)); - if (sdslen(o->ptr) < 4096) - redisLog(REDIS_WARNING,"Object raw string content: \"%s\"", (char*)o->ptr); + redisLog(REDIS_WARNING,"Object raw string len: %zu", sdslen(o->ptr)); + if (sdslen(o->ptr) < 4096) { + sds repr = sdscatrepr(sdsempty(),o->ptr,sdslen(o->ptr)); + redisLog(REDIS_WARNING,"Object raw string content: %s", repr); + sdsfree(repr); + } } else if (o->type == REDIS_LIST) { redisLog(REDIS_WARNING,"List length: %d", (int) listTypeLength(o)); } else if (o->type == REDIS_SET) { @@ -795,7 +803,7 @@ void enableWatchdog(int period) { /* If the configured period is smaller than twice the timer period, it is * too short for the software watchdog to work reliably. Fix it now * if needed. */ - min_period = (1000/REDIS_HZ)*2; + min_period = (1000/server.hz)*2; if (period < min_period) period = min_period; watchdogScheduleSignal(period); /* Adjust the current timer. */ server.watchdog_period = period; diff --git a/src/dict.c b/src/dict.c index 1e7d760..4bb60e0 100644 --- a/src/dict.c +++ b/src/dict.c @@ -610,7 +610,7 @@ static int _dictExpandIfNeeded(dict *d) /* Incremental rehashing already in progress. Return. */ if (dictIsRehashing(d)) return DICT_OK; - /* If the hash table is empty expand it to the intial size. */ + /* If the hash table is empty expand it to the initial size. */ if (d->ht[0].size == 0) return dictExpand(d, DICT_HT_INITIAL_SIZE); /* If we reached the 1:1 ratio, and we are allowed to resize the hash diff --git a/src/ds.c b/src/ds.c index 1b381b5..2e492f6 100644 --- a/src/ds.c +++ b/src/ds.c @@ -1,890 +1,2650 @@ #include "redis.h" -/* -static char *urlencode(char const *s, int len, int *new_length) -{ - #define safe_emalloc(nmemb, size, offset) zmalloc((nmemb) * (size) + (offset)) - static unsigned char hexchars[] = "0123456789ABCDEF"; - register unsigned char c; - unsigned char *to, *start; - unsigned char const *from, *end; - - from = (unsigned char *)s; - end = (unsigned char *)s + len; - start = to = (unsigned char *) safe_emalloc(3, len, 1); - - while (from < end) { - c = *from++; - - if (c == ' ') { - *to++ = '+'; -#ifndef CHARSET_EBCDIC - } else if ((c < '0' && c != '-' && c != '.') || - (c < 'A' && c > '9') || - (c > 'Z' && c < 'a' && c != '_') || - (c > 'z')) { - to[0] = '%'; - to[1] = hexchars[c >> 4]; - to[2] = hexchars[c & 15]; - to += 3; -#else //CHARSET_EBCDIC - } else if (!isalnum(c) && strchr("_-.", c) == NULL) { - // Allow only alphanumeric chars and '_', '-', '.'; escape the rest - to[0] = '%'; - to[1] = hexchars[os_toascii[c] >> 4]; - to[2] = hexchars[os_toascii[c] & 15]; - to += 3; -#endif //CHARSET_EBCDIC - } else { - *to++ = c; - } - } - *to = 0; - if (new_length) { - *new_length = to - start; - } - return (char *) start; -} -*/ - -void ds_init() -{ - char *err = NULL; - - server.ds_cache = leveldb_cache_create_lru(server.ds_lru_cache); - server.ds_options = leveldb_options_create(); - - server.policy = leveldb_filterpolicy_create_bloom(10); - - - //leveldb_options_set_comparator(server.ds_options, cmp); - leveldb_options_set_filter_policy(server.ds_options, server.policy); +#define KEY_PREFIX_HASH "\xFF\x01" +#define KEY_PREFIX_ZSET "\xFF\x02" +#define KEY_PREFIX_SET "\xFF\x03" +#define KEY_PREFIX_LENGTH 2 +#define MEMBER_PREFIX "\x01" +#define MEMBER_PREFIX_LENGTH 1 + +// 常规key不使用前缀，用户自己控制自己的key不带有上述前缀 + +void ds_init() { + if(!server.ds_open) { + return ; + } + char *err = NULL; + + server.ds_cache = leveldb_cache_create_lru(server.ds_lru_cache * 1048576); + server.ds_options = leveldb_options_create(); + + server.policy = leveldb_filterpolicy_create_bloom(10); + + + //leveldb_options_set_comparator(server.ds_options, cmp); + leveldb_options_set_filter_policy(server.ds_options, server.policy); leveldb_options_set_create_if_missing(server.ds_options, server.ds_create_if_missing); - leveldb_options_set_error_if_exists(server.ds_options, server.ds_error_if_exists); - leveldb_options_set_cache(server.ds_options, server.ds_cache); - leveldb_options_set_info_log(server.ds_options, NULL); - leveldb_options_set_write_buffer_size(server.ds_options, server.ds_write_buffer_size); - leveldb_options_set_paranoid_checks(server.ds_options, server.ds_paranoid_checks); - leveldb_options_set_max_open_files(server.ds_options, server.ds_max_open_files); - leveldb_options_set_block_size(server.ds_options, server.ds_block_cache_size); - leveldb_options_set_block_restart_interval(server.ds_options, server.ds_block_restart_interval); - leveldb_options_set_compression(server.ds_options, leveldb_snappy_compression); - + leveldb_options_set_error_if_exists(server.ds_options, server.ds_error_if_exists); + leveldb_options_set_cache(server.ds_options, server.ds_cache); + leveldb_options_set_info_log(server.ds_options, NULL); + leveldb_options_set_write_buffer_size(server.ds_options, server.ds_write_buffer_size * 1048576); + leveldb_options_set_paranoid_checks(server.ds_options, server.ds_paranoid_checks); + leveldb_options_set_max_open_files(server.ds_options, server.ds_max_open_files); + leveldb_options_set_block_size(server.ds_options, server.ds_block_size * 1024); + leveldb_options_set_block_restart_interval(server.ds_options, server.ds_block_restart_interval); + leveldb_options_set_compression(server.ds_options, leveldb_snappy_compression); + server.ds_db = leveldb_open(server.ds_options, server.ds_path, &err); - if (err != NULL) - { - fprintf(stderr, "%s:%d: %s\n", __FILE__, __LINE__,err); - leveldb_free(err); - exit(1); - } -} - -void ds_mget(redisClient *c) -{ - int i, len, pos; - size_t val_len; - char *err, *value; - - leveldb_readoptions_t *roptions; - - roptions = leveldb_readoptions_create(); - leveldb_readoptions_set_verify_checksums(roptions, 0); - leveldb_readoptions_set_fill_cache(roptions, 1); - - addReplyMultiBulkLen(c,c->argc-1); - for(i=1; iargc; i++) - { - err = NULL; - value = NULL; - val_len = pos = 0; - len = strlen((char *)c->argv[i]->ptr); - value = leveldb_get(server.ds_db, roptions, (char *)c->argv[i]->ptr, len, &val_len, &err); - if(err != NULL) - { - addReplyError(c, err); - leveldb_free(err); - leveldb_free(value); - leveldb_readoptions_destroy(roptions); - return ; - } - else if(val_len > 0) - { - addReplyBulkCBuffer(c, value, val_len); - leveldb_free(value); - value = NULL; - } - else - { - addReply(c,shared.nullbulk); - - } - } - leveldb_readoptions_destroy(roptions); -} - -void ds_get(redisClient *c) -{ - - bool is_int; - int64_t recore; + if (err != NULL) { + fprintf(stderr, "%s:%d: %s\n", __FILE__, __LINE__, err); + leveldb_free(err); + exit(1); + } + + server.woptions = leveldb_writeoptions_create(); + server.roptions = leveldb_readoptions_create(); + leveldb_readoptions_set_verify_checksums(server.roptions, 0); + leveldb_readoptions_set_fill_cache(server.roptions, 1); + + leveldb_writeoptions_set_sync(server.woptions, 0); +} + +static void checkRlTTL(redisDb *db, robj *key) { + if(server.rl_ttl) { + if(server.rl_ttlcheck >= server.rl_ttl) { + return; + } + long long expire = getExpire(db,key); + if(expire == -1 || expire-mstime() < server.rl_ttlcheck*1000) { + expire = server.rl_ttl * 1000; + setExpire(db, key, mstime()+expire); + } + } +} + +void ds_exists(redisClient *c) { + if(!server.ds_open) { + addReplyError(c,"REDIS_STORAGE CLOSED"); + return; + } + int i; + char *err; + leveldb_iterator_t *iter; + char *kp; + size_t kl; + sds str, ret; + + iter = leveldb_create_iterator(server.ds_db, server.roptions); + //addReplyMultiBulkLen(c, c->argc-1); + + str = sdsempty(); + + for (i = 1; i < c->argc; i++) { + leveldb_iter_seek(iter, c->argv[i]->ptr, sdslen((sds) c->argv[i]->ptr)); + if (leveldb_iter_valid(iter)) { + + kp = (char *) leveldb_iter_key(iter, &kl); + + if (sdslen((sds) c->argv[i]->ptr) == kl && 0 == memcmp(c->argv[i]->ptr, kp, kl)) + //addReplyLongLong(c,1); + str = sdscatlen(str, ":1\r\n", 4); + else + //addReplyLongLong(c,0); + str = sdscatlen(str, ":0\r\n", 4); + + } else + //addReplyLongLong(c, 0); + str = sdscatlen(str, ":0\r\n", 4); + } + + err = NULL; + leveldb_iter_get_error(iter, &err); + leveldb_iter_destroy(iter); + + if (err != NULL) { + addReplyError(c, err); + leveldb_free(err); + sdsfree(str); + return; + } + + ret = sdsempty(); + ret = sdscatprintf(ret, "*%d\r\n", c->argc - 1); + ret = sdscatsds(ret, str); + addReplySds(c, ret); + sdsfree(str); + return; +} + +void ds_hexists(redisClient *c) { + if(!server.ds_open) { + addReplyError(c,"REDIS_STORAGE CLOSED"); + return; + } + int i; + sds key; + char *err; + leveldb_iterator_t *iter; + char *kp; + size_t kl; + sds str, ret; + + key = sdsempty(); + iter = leveldb_create_iterator(server.ds_db, server.roptions); + //addReplyMultiBulkLen(c, c->argc-2); + + str = sdsempty(); + + for (i = 2; i < c->argc; i++) { + sdsclear(key); + key = sdscatlen(key, KEY_PREFIX_HASH, KEY_PREFIX_LENGTH); + key = sdscatsds(key, c->argv[1]->ptr); + key = sdscatlen(key, MEMBER_PREFIX, MEMBER_PREFIX_LENGTH); + key = sdscatsds(key, c->argv[i]->ptr); + + leveldb_iter_seek(iter, key, sdslen(key)); + if (leveldb_iter_valid(iter)) { + kp = (char*) leveldb_iter_key(iter, &kl); + + if (sdslen(key) == kl && 0 == memcmp(key, kp, kl)) + //addReplyLongLong(c,1); + str = sdscatlen(str, ":1\r\n", 4); + else + //addReplyLongLong(c,0); + str = sdscatlen(str, ":0\r\n", 4); + + } else + //addReplyLongLong(c, 0); + str = sdscatlen(str, ":0\r\n", 4); + } + + err = NULL; + leveldb_iter_get_error(iter, &err); + leveldb_iter_destroy(iter); + sdsfree(key); + if (err != NULL) { + addReplyError(c, err); + leveldb_free(err); + sdsfree(str); + return; + } + + ret = sdsempty(); + ret = sdscatprintf(ret, "*%d\r\n", c->argc - 2); + ret = sdscatsds(ret, str); + addReplySds(c, ret); + sdsfree(str); + return; +} + +/** + * usage: ds_keys_count startKey endKey + * return: integer + */ +void ds_keys_count(redisClient *c) { + if(!server.ds_open) { + addReplyError(c,"REDIS_STORAGE CLOSED"); + return; + } + char *err; + + const char *key; + size_t key_len, len, i; + + leveldb_iterator_t *iter; + + char *skey, *ekey; // key pair + size_t skey_len, ekey_len; + + char *k1, *k2; + int cmp; + + skey = c->argv[1]->ptr; + skey_len = sdslen(c->argv[1]->ptr); + + ekey = c->argv[2]->ptr; + ekey_len = sdslen(c->argv[2]->ptr); + + + // return 0 when skey > ekey + k1 = zmalloc(skey_len + 1); + k2 = zmalloc(ekey_len + 1); + memcpy(k1, skey, skey_len); + memcpy(k2, ekey, ekey_len); + k1[skey_len] = k2[ekey_len] = '\0'; + + cmp = strcmp(k1, k2); + + if (cmp > 0) { + zfree(k1); + zfree(k2); + addReplyLongLong(c, 0); + return; + } + + i = 0; + len = 0; + + iter = leveldb_create_iterator(server.ds_db, server.roptions); + + leveldb_iter_seek(iter, skey, skey_len); + + for (; leveldb_iter_valid(iter); leveldb_iter_next(iter)) { + key_len = 0; + key = leveldb_iter_key(iter, &key_len); + + // skip KEY_PREFIX_ + if (((unsigned char*) key)[0] == 0xFF) { + + //位于haskkey 空间，后面的key无需扫描 + break; + //continue; + } + + if (k1 != NULL) { + zfree(k1); + k1 = NULL; + } + + k1 = zmalloc(key_len + 1); + memcpy(k1, key, key_len); + k1[key_len] = '\0'; + + cmp = strcmp(k1, k2); + + if (cmp > 0) + break; + + i++; + } + + err = NULL; + leveldb_iter_get_error(iter, &err); + leveldb_iter_destroy(iter); + + if (err) { + addReplyError(c, err); + leveldb_free(err); + } else { + addReplyLongLong(c, i); + } + + if (k1) zfree(k1); + if (k2) zfree(k2); + + return; +} + +/** + * hashkey range counter + * + * usage: ds_hkeys_count startKey endKey + * return: integer + */ +void ds_hkeys_count(redisClient *c) { + if(!server.ds_open) { + addReplyError(c,"REDIS_STORAGE CLOSED"); + return; + } char *err = NULL; - size_t val_len, i; - char *key = NULL; + + const char *key; + size_t key_len, len, i; + + leveldb_iterator_t *iter; + + char *skey, *ekey; // key pair + size_t skey_len, ekey_len; + + char *k1, *k2; + int cmp; + + skey = (char *) c->argv[1]->ptr; + skey_len = sdslen(skey); + + ekey = (char *) c->argv[2]->ptr; + ekey_len = sdslen(ekey); + + + // return 0 when skey > ekey + k1 = zmalloc(skey_len + KEY_PREFIX_LENGTH + MEMBER_PREFIX_LENGTH + 1); + k2 = zmalloc(ekey_len + KEY_PREFIX_LENGTH + MEMBER_PREFIX_LENGTH + 1); + memcpy(k1, KEY_PREFIX_HASH, KEY_PREFIX_LENGTH); + memcpy(k1 + KEY_PREFIX_LENGTH, skey, skey_len); + memcpy(k2, KEY_PREFIX_HASH, KEY_PREFIX_LENGTH); + memcpy(k2 + KEY_PREFIX_LENGTH, ekey, ekey_len); + k1[skey_len + KEY_PREFIX_LENGTH] = k2[ekey_len + KEY_PREFIX_LENGTH] = MEMBER_PREFIX[0]; + k1[skey_len + KEY_PREFIX_LENGTH + MEMBER_PREFIX_LENGTH] = k2[ekey_len + KEY_PREFIX_LENGTH + MEMBER_PREFIX_LENGTH] = '\0'; + + cmp = strcmp(k1, k2); + + if (cmp > 0) { + zfree(k1); + zfree(k2); + addReplyLongLong(c, 0); + return; + } + + i = 0; + len = 0; + + iter = leveldb_create_iterator(server.ds_db, server.roptions); + + leveldb_iter_seek(iter, k1, skey_len + KEY_PREFIX_LENGTH + MEMBER_PREFIX_LENGTH); + + for (; leveldb_iter_valid(iter); leveldb_iter_next(iter)) { + key_len = 0; + key = leveldb_iter_key(iter, &key_len); + + if (key_len < KEY_PREFIX_LENGTH + MEMBER_PREFIX_LENGTH + || 0 != memcmp(key, KEY_PREFIX_HASH, KEY_PREFIX_LENGTH) // not hashkey + ) { + + //已经不在hashkey空间 + break; + } + if (((unsigned char *) key)[key_len - 1] != MEMBER_PREFIX[0]) { + // hash member + continue; + } + + if (k1 != NULL) { + zfree(k1); + k1 = NULL; + } + + k1 = zmalloc(key_len + 1); + memcpy(k1, key, key_len); + k1[key_len] = '\0'; + + cmp = strcmp(k1, k2); + + if (cmp > 0) + break; + + i++; + } + + err = NULL; + leveldb_iter_get_error(iter, &err); + leveldb_iter_destroy(iter); + + if (err) { + addReplyError(c, err); + leveldb_free(err); + } else { + addReplyLongLong(c, i); + } + if (k1) zfree(k1); + if (k2) zfree(k2); + + return; +} + +/** + * usage: + * 1. ds_keys_asc + * 2. ds_keys_asc key + * 3. ds_keys_asc 100 + * 4. ds_keys_asc key 100 + */ +void ds_keys_asc(redisClient *c) { + if(!server.ds_open) { + addReplyError(c,"REDIS_STORAGE CLOSED"); + return; + } + sds str, header; + char *err; + + unsigned long limit; + const char *key; + size_t key_len, len, i; + + leveldb_iterator_t *iter; + + char *skey; // start key + size_t skey_len = 0; + int is_limit; + + // max result = 1000,large limit will eat lot's of disk/network io. + const unsigned long max_result = 1000; + + limit = 30; //default + skey = NULL; //seek first + + //limit = strtoul(c->argv[1]->ptr, NULL, 10); + + if (c->argc > 3) { + addReplyError(c, "too many arguments."); + return; + } else if (c->argc == 1) { + // default limit and seek to first + } else if (c->argc == 2) { + + //is digit ? + is_limit = 1; + len = sdslen(c->argv[1]->ptr); + i = 0; + while (i < len) { + if (!isdigit(((char *) c->argv[1]->ptr)[i++])) { + is_limit = 0; + break; + } + } + + if (is_limit) { + limit = strtoul(c->argv[1]->ptr, NULL, 10); + + } else { + + // start key + skey = c->argv[1]->ptr; + skey_len = len; + } + } else { + // 3 args + // argv[1] as start key + skey = c->argv[1]->ptr; + skey_len = sdslen(c->argv[1]->ptr); + + // argv[2] as limit + limit = strtoul(c->argv[2]->ptr, NULL, 10); + + } + + //check limit + if (limit == 0) + limit = 30; + + if (limit > max_result) + limit = max_result; + + + i = 0; + len = 0; + str = sdsempty(); + + iter = leveldb_create_iterator(server.ds_db, server.roptions); + + if (skey) //seek key + leveldb_iter_seek(iter, skey, skey_len); + else + leveldb_iter_seek_to_first(iter); + + for (; leveldb_iter_valid(iter); leveldb_iter_next(iter)) { + key_len = 0; + key = leveldb_iter_key(iter, &key_len); + + // skip hashtable and hash field + if (((unsigned char*) key)[0] == 0xFF) { + + //已经位于 hashkey的空间了，扫描后面的key已经没有意义 + + break; + //continue; + } else { + str = sdscatprintf(str, "$%zu\r\n", key_len); + str = sdscatlen(str, key, key_len); + str = sdscatlen(str, "\r\n", 2); + i++; + } + + if (i >= limit) + break; + + } + + err = NULL; + leveldb_iter_get_error(iter, &err); + leveldb_iter_destroy(iter); + + if (err) { + addReplyError(c, err); + leveldb_free(err); + } else if (i == 0) { + addReply(c, shared.nullbulk); + } else { + header = sdsempty(); + header = sdscatprintf(header, "*%zu\r\n", i); + header = sdscatlen(header, str, sdslen(str)); + + addReplySds(c, header); + //addReplySds() will free header + } + sdsfree(str); + return; +} + +/** + * hashkey asc iterator + * usage: + * 1. ds_hkeys_asc + * 2. ds_hkeys_asc key + * 3. ds_hkeys_asc 100 + * 4. ds_hkeys_asc key 100 + */ +void ds_hkeys_asc(redisClient *c) { + if(!server.ds_open) { + addReplyError(c,"REDIS_STORAGE CLOSED"); + return; + } + sds str, header, skeyh; + char *err; + + unsigned long limit; + const char *key; + size_t key_len, len, i; + + leveldb_iterator_t *iter; + + char *skey; // start key + size_t skey_len = 0; + int is_limit; + + // max result = 1000,large limit will eat lot's of disk/network io. + const unsigned long max_result = 1000; + + limit = 30; //default + skey = NULL; //seek first + + //limit = strtoul(c->argv[1]->ptr, NULL, 10); + + if (c->argc > 3) { + addReplyError(c, "too many arguments."); + return; + } else if (c->argc == 1) { + // default limit and seek to first + } else if (c->argc == 2) { + + //is digit ? + is_limit = 1; + len = sdslen(c->argv[1]->ptr); + i = 0; + while (i < len) { + if (!isdigit(((char *) c->argv[1]->ptr)[i++])) { + is_limit = 0; + break; + } + } + + if (is_limit) { + limit = strtoul(c->argv[1]->ptr, NULL, 10); + + } else { + + // start key + skey = c->argv[1]->ptr; + skey_len = len; + } + } else { + // 3 args + // argv[1] as start key + skey = c->argv[1]->ptr; + skey_len = sdslen(c->argv[1]->ptr); + + // argv[2] as limit + limit = strtoul(c->argv[2]->ptr, NULL, 10); + + } + + //check limit + if (limit == 0) + limit = 30; + + if (limit > max_result) + limit = max_result; + + i = 0; + len = 0; + str = sdsempty(); + skeyh = sdsempty(); + + + iter = leveldb_create_iterator(server.ds_db, server.roptions); + + if (skey) { //seek key + skeyh = sdscatlen(skeyh, KEY_PREFIX_HASH, KEY_PREFIX_LENGTH); + skeyh = sdscatlen(skeyh, skey, skey_len); + skeyh = sdscatlen(skeyh, MEMBER_PREFIX, MEMBER_PREFIX_LENGTH); + + //fprintf(stderr,"SK: %s\n",skeyh); + + leveldb_iter_seek(iter, skeyh, sdslen(skeyh)); + } else { + //hashkey空间下限是 KEY_PREFIX_HASH + + leveldb_iter_seek(iter, KEY_PREFIX_HASH, KEY_PREFIX_LENGTH); + + //如果失败，说明没有任何hashkey存在 + } + + for (; leveldb_iter_valid(iter); leveldb_iter_next(iter)) { + key_len = 0; + key = leveldb_iter_key(iter, &key_len); + + //fprintf(stderr,"FK: %s\n",key); + + if (key_len < KEY_PREFIX_LENGTH + MEMBER_PREFIX_LENGTH + || 0 != memcmp(key, KEY_PREFIX_HASH, KEY_PREFIX_LENGTH) // not hashkey + ) { + //已经不在hashkey空间 + break; + } + if (((unsigned char *) key)[key_len - 1] != MEMBER_PREFIX[0]) { + // hash member + continue; + } else { + str = sdscatprintf(str, "$%zu\r\n", key_len - MEMBER_PREFIX_LENGTH - KEY_PREFIX_LENGTH); // remove the MEMBER_PREFIX + str = sdscatlen(str, key + KEY_PREFIX_LENGTH, key_len - KEY_PREFIX_LENGTH - MEMBER_PREFIX_LENGTH); + str = sdscatlen(str, "\r\n", 2); + i++; + } + + if (i >= limit) + break; + + } + + err = NULL; + leveldb_iter_get_error(iter, &err); + leveldb_iter_destroy(iter); + + if (err) { + addReplyError(c, err); + leveldb_free(err); + } else if (i == 0) { + addReply(c, shared.nullbulk); + } else { + header = sdsempty(); + header = sdscatprintf(header, "*%zu\r\n", i); + header = sdscatlen(header, str, sdslen(str)); + + addReplySds(c, header); + //addReplySds() will free header + } + sdsfree(str); + sdsfree(skeyh); + return; +} + +/** + * usage: + * 1. ds_keys_desc + * 2. ds_keys_desc key + * 3. ds_keys_desc 100 + * 4. ds_keys_desc key 100 + */ +void ds_keys_desc(redisClient *c) { + if(!server.ds_open) { + addReplyError(c,"REDIS_STORAGE CLOSED"); + return; + } + sds str, header; + char *err; + + unsigned long limit; + const char *key; + size_t key_len, len, i; + + leveldb_iterator_t *iter; + + char *skey; // start key + size_t skey_len = 0; + int is_limit; + + char *ck1 = NULL, *ck2 = NULL; // compaire the first key + + // max result = 1000,large limit will eat lot's of disk/network io. + const unsigned long max_result = 1000; + + limit = 30; //default + skey = NULL; //seek first + + //limit = strtoul(c->argv[1]->ptr, NULL, 10); + + if (c->argc > 3) { + addReplyError(c, "too many arguments."); + return; + } else if (c->argc == 1) { + // default limit and seek to first + } else if (c->argc == 2) { + + //is digit ? + is_limit = 1; + len = sdslen(c->argv[1]->ptr); + i = 0; + while (i < len) { + if (!isdigit(((char *) c->argv[1]->ptr)[i++])) { + is_limit = 0; + break; + } + } + + if (is_limit) { + limit = strtoul(c->argv[1]->ptr, NULL, 10); + + } else { + + // start key + skey = c->argv[1]->ptr; + skey_len = len; + } + } else { + // 3 args + // argv[1] as start key + skey = c->argv[1]->ptr; + skey_len = sdslen(c->argv[1]->ptr); + + // argv[2] as limit + limit = strtoul(c->argv[2]->ptr, NULL, 10); + + } + + //check limit + if (limit == 0) + limit = 30; + + if (limit > max_result) + limit = max_result; + + + i = 0; + len = 0; + str = sdsempty(); + + iter = leveldb_create_iterator(server.ds_db, server.roptions); + + if (skey) { //seek key + leveldb_iter_seek(iter, skey, skey_len); + + // maybe, there's no stored key >= skey + // we should seek to last + if (!leveldb_iter_valid(iter)) + leveldb_iter_seek_to_last(iter); + + //普通key定位失败，说明skey已经大于当前db中的最大key了，直接定位到最后 + + } else { + //对于常规key，上限是 0xFF + leveldb_iter_seek(iter, "\xFF", 1); + + //如果失败，说明整个key空间只有常规key，直接定位到最后 + if (!leveldb_iter_valid(iter)) + leveldb_iter_seek_to_last(iter); + } + + for (; leveldb_iter_valid(iter); leveldb_iter_prev(iter)) { + key_len = 0; + key = leveldb_iter_key(iter, &key_len); + + //fprintf(stderr,"current key:%s\n",key); + + // skip hashtable and hash field + if (((unsigned char*) key)[0] == 0xFF) { + //前面的操作已经保证我们位于常规key空间的上限附近，这批数量不会太多，跳过 + continue; + } else { + + if (skey && ck1 == NULL) { + // we are in reverse order,and seek() always stop at key>= what we want + // so if current key > what we want ,we should skip it. + + // skey and key are both \0 terminated + ck1 = (char*) zmalloc(skey_len + 1); + ck2 = (char*) zmalloc(key_len + 1); + memcpy(ck1, skey, skey_len); + memcpy(ck2, key, key_len); + ck1[skey_len] = '\0'; + ck2[key_len] = '\0'; + + //fprintf(stderr,"\n\nkeyF:%s\nkeyS:%s\n\n",ck2,ck1); + + if (strcmp(ck2, ck1) > 0) + continue; + + } + + + str = sdscatprintf(str, "$%zu\r\n", key_len); + str = sdscatlen(str, key, key_len); + str = sdscatlen(str, "\r\n", 2); + i++; + } + + if (i >= limit) + break; + + } + + err = NULL; + leveldb_iter_get_error(iter, &err); + leveldb_iter_destroy(iter); + + if (err) { + addReplyError(c, err); + leveldb_free(err); + } else if (i == 0) { + addReply(c, shared.nullbulk); + } else { + header = sdsempty(); + header = sdscatprintf(header, "*%zu\r\n", i); + header = sdscatlen(header, str, sdslen(str)); + + addReplySds(c, header); + //addReplySds() will free header + } + + if (ck1) + zfree(ck1); + if (ck2) + zfree(ck2); + + sdsfree(str); + return; +} + +/** + * hashkey desc itorator + * usage: + * 1. ds_hkeys_desc + * 2. ds_hkeys_desc key + * 3. ds_hkeys_desc 100 + * 4. ds_hkeys_desc key 100 + */ +void ds_hkeys_desc(redisClient *c) { + if(!server.ds_open) { + addReplyError(c,"REDIS_STORAGE CLOSED"); + return; + } + sds str, header, skeyh; + char *err; + + unsigned long limit; + const char *key; + size_t key_len, len, i, e; + + leveldb_iterator_t *iter; + + unsigned char maxkey[KEY_PREFIX_LENGTH + 1]; + char *skey; // start key + size_t skey_len = 0; + int is_limit; + + char *ck1 = NULL, *ck2 = NULL; // compaire the first key + + // max result = 1000,large limit will eat lot's of disk/network io. + const unsigned long max_result = 1000; + + limit = 30; //default + skey = NULL; //seek first + + //limit = strtoul(c->argv[1]->ptr, NULL, 10); + + if (c->argc > 3) { + addReplyError(c, "too many arguments."); + return; + } else if (c->argc == 1) { + // default limit and seek to first + } else if (c->argc == 2) { + + //is digit ? + is_limit = 1; + len = sdslen(c->argv[1]->ptr); + i = 0; + while (i < len) { + if (!isdigit(((char *) c->argv[1]->ptr)[i++])) { + is_limit = 0; + break; + } + } + + if (is_limit) { + limit = strtoul(c->argv[1]->ptr, NULL, 10); + + } else { + + // start key + skey = c->argv[1]->ptr; + skey_len = len; + } + } else { + // 3 args + // argv[1] as start key + skey = c->argv[1]->ptr; + skey_len = sdslen(c->argv[1]->ptr); + + // argv[2] as limit + limit = strtoul(c->argv[2]->ptr, NULL, 10); + + } + + //check limit + if (limit == 0) + limit = 30; + + if (limit > max_result) + limit = max_result; + + //fprintf(stderr,"l:%d sk:%s\n",limit ,skey ? skey :""); + + i = 0; + e = 0; + len = 0; + str = sdsempty(); + skeyh = sdsempty(); + + memcpy(maxkey, KEY_PREFIX_HASH, KEY_PREFIX_LENGTH); + maxkey[KEY_PREFIX_LENGTH - 1] = KEY_PREFIX_HASH[KEY_PREFIX_LENGTH - 1] + 1; // e.g. 0xFF01 -> 0xFF02 + + iter = leveldb_create_iterator(server.ds_db, server.roptions); + + if (skey) { //seek key + skeyh = sdscatlen(skeyh, KEY_PREFIX_HASH, KEY_PREFIX_LENGTH); + skeyh = sdscatlen(skeyh, skey, skey_len); + skeyh = sdscatlen(skeyh, MEMBER_PREFIX, MEMBER_PREFIX_LENGTH); + leveldb_iter_seek(iter, skeyh, sdslen(skeyh)); + + // maybe, there's no stored key >= skey + // we should seek to last + if (!leveldb_iter_valid(iter)) { + //定位到hashkey上限 + leveldb_iter_seek(iter, (char *) maxkey, KEY_PREFIX_LENGTH); + + if (!leveldb_iter_valid(iter)) { + //如果失败，表明hashkey上限之上已经没有key存在 + leveldb_iter_seek_to_last(iter); + } + } + } else { + //定位到hashkey上限 + leveldb_iter_seek(iter, (char *) maxkey, KEY_PREFIX_LENGTH); + + if (!leveldb_iter_valid(iter)) { + //如果失败，定位到最后 + leveldb_iter_seek_to_last(iter); + } + } + for (; leveldb_iter_valid(iter); leveldb_iter_prev(iter)) { + key_len = 0; + key = leveldb_iter_key(iter, &key_len); + + //fprintf(stderr,"current key:%s\n",key); + + if (key_len < KEY_PREFIX_LENGTH + MEMBER_PREFIX_LENGTH + || 0 != memcmp(key, KEY_PREFIX_HASH, KEY_PREFIX_LENGTH) // not hashkey + ) { + + //fprintf(stderr,"miss match key:%s\n",key); + + e++; //无效命中计数 + + if (e > 10) break; //之前已经定位到hashkey空间上限附近，如果无效命中太多，说明已经偏离太多，不用继续往前扫描了。 + + continue; + } + + if (((unsigned char *) key)[key_len - 1] != MEMBER_PREFIX[0]) { + // hash member + continue; + } else { + + if (skey && ck1 == NULL) { + // we are in reverse order,and seek() always stop at key>= what we want + // so if current key > what we want ,we should skip it. + + // skey and key are both \0 terminated + ck1 = (char*) zmalloc(sdslen(skeyh) + 1); //skeyh is avaliable,and contain key_prefix and member_prefix + ck2 = (char*) zmalloc(key_len + 1); + memcpy(ck1, skeyh, sdslen(skeyh)); + memcpy(ck2, key, key_len); + ck1[sdslen(skeyh)] = '\0'; + ck2[key_len] = '\0'; + + //fprintf(stderr,"\n\nkeyF:%s\nkeyS:%s\n\n",ck2,ck1); + + if (strcmp(ck2, ck1) > 0) + continue; + + } + + + str = sdscatprintf(str, "$%zu\r\n", key_len - KEY_PREFIX_LENGTH - MEMBER_PREFIX_LENGTH); // remove the prefix part + str = sdscatlen(str, key + KEY_PREFIX_LENGTH, key_len - KEY_PREFIX_LENGTH - MEMBER_PREFIX_LENGTH); + str = sdscatlen(str, "\r\n", 2); + i++; + } + + if (i >= limit) + break; + + } + + err = NULL; + leveldb_iter_get_error(iter, &err); + leveldb_iter_destroy(iter); + + if (err) { + addReplyError(c, err); + leveldb_free(err); + } else if (i == 0) { + addReply(c, shared.nullbulk); + } else { + header = sdsempty(); + header = sdscatprintf(header, "*%zu\r\n", i); + header = sdscatlen(header, str, sdslen(str)); + + addReplySds(c, header); + //addReplySds() will free header + } + + if (ck1) + zfree(ck1); + if (ck2) + zfree(ck2); + + sdsfree(str); + sdsfree(skeyh); + return; +} + +void ds_mget(redisClient *c) { + if(!server.ds_open) { + addReplyError(c,"REDIS_STORAGE CLOSED"); + return; + } + int i; + size_t val_len; + char *err, *value; + sds str, ret; + + str = sdsempty(); + + // addReplyMultiBulkLen(c,c->argc-1); + // err in loop will break the protocal + for (i = 1; i < c->argc; i++) { + err = NULL; + value = NULL; + val_len = 0; + value = leveldb_get(server.ds_db, server.roptions, c->argv[i]->ptr, sdslen((sds) c->argv[i]->ptr), &val_len, &err); + if (err != NULL) { + addReplyError(c, err); + leveldb_free(err); + leveldb_free(value); + sdsfree(str); + return; + } else if (val_len > 0) { + str = sdscatprintf(str, "$%zu\r\n", val_len); + str = sdscatlen(str, value, val_len); + str = sdscatlen(str, "\r\n", 2); + //addReplyBulkCBuffer(c, value, val_len); + leveldb_free(value); + value = NULL; + } else { + str = sdscatlen(str, "$-1\r\n", 5); //nullbulk + //addReply(c,shared.nullbulk); + + } + } + + ret = sdsempty(); + ret = sdscatprintf(ret, "*%d\r\n", c->argc - 1); + ret = sdscatsds(ret, str); + + sdsfree(str); + + addReplySds(c, ret); +} + +static void ds_getCommand(redisClient *c, int set) { + char *err; + size_t val_len; + char *key = NULL; char *value = NULL; - - leveldb_readoptions_t *roptions; - - roptions = leveldb_readoptions_create(); - leveldb_readoptions_set_verify_checksums(roptions, 0); - leveldb_readoptions_set_fill_cache(roptions, 1); - - key = (char *)c->argv[1]->ptr; - value = leveldb_get(server.ds_db, roptions, key, strlen(key), &val_len, &err); - leveldb_readoptions_destroy(roptions); - if(err != NULL) - { - addReplyError(c, err); + + + err = NULL; + key = (char *) c->argv[1]->ptr; + value = leveldb_get(server.ds_db, server.roptions, key, sdslen((sds) key), &val_len, &err); + if (err != NULL) { + addReplyError(c, err); leveldb_free(err); - leveldb_free(value); + leveldb_free(value); - return ; + return; + } else if (value == NULL) { + addReply(c, shared.nullbulk); + return; } - else if(value == NULL) - { - addReply(c,shared.nullbulk); - return ; + + if(set) { + robj *rv; + rv = createStringObject(value, val_len); + setKey(c->db, c->argv[1], rv); + checkRlTTL(c->db, c->argv[1]); } + + addReplyBulkCBuffer(c, value, val_len); + + leveldb_free(value); + + return; - is_int = true; - for(i=0; value[i]!=0; i++) - { - is_int = isgraph(value[i]) ? false : true; +} + +robj *ds_hgetToRobj(char *key, char *field, char **err) { + sds keyword; + size_t val_len; + char *value = NULL; + keyword = sdsempty(); + keyword = sdscatlen(keyword, KEY_PREFIX_HASH, KEY_PREFIX_LENGTH); + keyword = sdscatsds(keyword, key); + keyword = sdscatlen(keyword, MEMBER_PREFIX, MEMBER_PREFIX_LENGTH); + keyword = sdscatsds(keyword, field); + value = leveldb_get(server.ds_db, server.roptions, keyword, sdslen(keyword), &val_len, err); + if (*err != NULL) { + leveldb_free(*err); + if (val_len > 0) leveldb_free(value); + sdsfree(keyword); + return NULL; + } else if (value == NULL) { + sdsfree(keyword); + return NULL; } - - if(is_int) - { - recore = *(int64_t *)value; - addReplyLongLong(c, recore); + sdsfree(keyword); + + robj *rv; + rv = createStringObject(value, val_len); + leveldb_free(value); + return rv; +} + +void ds_get(redisClient *c) { + if(!server.ds_open) { + addReplyError(c,"REDIS_STORAGE CLOSED"); + return; } - else - { - addReplyBulkCBuffer(c, value, val_len); + ds_getCommand(c, 0); + return; +} + + +static void rl_getCommand(redisClient *c, int set) { + //从redis里取数据 + robj *o; + + if ((o = lookupKeyRead(c->db, c->argv[1])) == NULL) { + ds_getCommand(c, set); + checkRlTTL(c->db, c->argv[1]); + return; } - leveldb_free(value); + + if (o->type == REDIS_STRING) { + addReplyBulk(c, o); + checkRlTTL(c->db, c->argv[1]); + return; + } + + addReply(c, shared.nullbulk); + } -void rl_get(redisClient *c) -{ - //从redis里取数据 - robj *o; - if ((o = lookupKeyReadOrReply(c,c->argv[1],shared.nullbulk)) != NULL) { +void rl_get(redisClient *c) { + if(!server.ds_open) { + addReplyError(c,"REDIS_STORAGE CLOSED"); + return; + } + rl_getCommand(c, 0); + return; +} - if (o->type == REDIS_STRING) { - addReplyBulk(c,o); - return; - } - } +void rl_getset(redisClient *c) { + if(!server.ds_open) { + addReplyError(c,"REDIS_STORAGE CLOSED"); + return; + } + rl_getCommand(c, 1); +} + + +static int ds_msetCommand(redisClient *c, int reply) { + int i; + char *key, *value; + char *err = NULL; + + leveldb_writebatch_t *wb; + + if ((c->argc % 2) == 0) { + addReply(c, shared.nullbulk); + return 0; + } + + + wb = leveldb_writebatch_create(); + for (i = 1; i < c->argc; i++) { + key = (char *) c->argv[i]->ptr; + value = (char *) c->argv[++i]->ptr; + leveldb_writebatch_put(wb, key, sdslen((sds) key), value, sdslen((sds) value)); + } + leveldb_write(server.ds_db, server.woptions, wb, &err); + leveldb_writebatch_destroy(wb); + + if (err != NULL) { + addReplyError(c, err); + leveldb_free(err); + return 0; + } + + if(reply) { + addReply(c, shared.ok); + } + + return 1; +} + +void ds_mset(redisClient *c) { + if(!server.ds_open) { + addReplyError(c,"REDIS_STORAGE CLOSED"); + return; + } + ds_msetCommand(c, 1); + return; +} + + +void rl_mset(redisClient *c) { + if(!server.ds_open) { + addReplyError(c,"REDIS_STORAGE CLOSED"); + return; + } + if(ds_msetCommand(c, 0)) { + msetCommand(c); + } +} + +static void rl_mgetCommand(redisClient *c, int set) { + int i; + size_t val_len; + char *err, *value; + addReplyMultiBulkLen(c,c->argc-1); + for (i = 1; i < c->argc; i++) { + robj *o = lookupKeyRead(c->db,c->argv[i]); + if (o == NULL) { + err = NULL; + value = NULL; + val_len = 0; + value = leveldb_get(server.ds_db, server.roptions, c->argv[i]->ptr, sdslen((sds) c->argv[i]->ptr), &val_len, &err); + if (err != NULL) { + addReplyError(c, err); + leveldb_free(err); + leveldb_free(value); + return; + } else if (val_len > 0) { + o = createStringObject(value, val_len); + if(set) { + setKey(c->db, c->argv[i], o); + checkRlTTL(c->db, c->argv[1]); + } + leveldb_free(value); + value = NULL; + addReplyBulk(c,o); + } else { + addReply(c,shared.nullbulk); + } + } else { + if (o->type != REDIS_STRING) { + addReply(c,shared.nullbulk); + return; + } else { + addReplyBulk(c,o); + } + } - ds_get(c); + } } +void rl_mget(redisClient *c) { + if(!server.ds_open) { + addReplyError(c,"REDIS_STORAGE CLOSED"); + return; + } + rl_mgetCommand(c, 0); +} +void rl_mgetset(redisClient *c) { + if(!server.ds_open) { + addReplyError(c,"REDIS_STORAGE CLOSED"); + return; + } + rl_mgetCommand(c, 1); +} -void ds_mset(redisClient *c) -{ - int i; - char *key, *value; - char *err = NULL; - leveldb_writeoptions_t *woptions; - leveldb_writebatch_t *wb; - - if((c->argc%2) == 0) - { - addReply(c,shared.nullbulk); - return ; - } - - - woptions = leveldb_writeoptions_create(); - wb = leveldb_writebatch_create(); - for(i=1; iargc; i++) - { - key = (char *)c->argv[i]->ptr; - value = (char *)c->argv[++i]->ptr; - leveldb_writebatch_put(wb, key, strlen(key), value, strlen(value)); - } - leveldb_write(server.ds_db, woptions, wb, &err); - leveldb_writeoptions_destroy(woptions); - leveldb_writebatch_destroy(wb); - - if(err != NULL) - { - addReplyError(c, err); - leveldb_free(err); - return ; - } - addReply(c,shared.ok); - - return ; -} - - -void ds_hincrby(redisClient *c) -{ - int64_t val, recore; - sds keyword; +void ds_hincrby(redisClient *c) { + if(!server.ds_open) { + addReplyError(c,"REDIS_STORAGE CLOSED"); + return; + } char *value; - + sds keyword, data; + size_t val_len; char *err = NULL; - leveldb_writeoptions_t *woptions; - leveldb_readoptions_t *roptions; - - - roptions = leveldb_readoptions_create(); - leveldb_readoptions_set_verify_checksums(roptions, 0); - leveldb_readoptions_set_fill_cache(roptions, 1); - - err = NULL; + + int64_t val, recore; + + err = NULL; val_len = 0; keyword = sdsempty(); - keyword = sdscpy(keyword, c->argv[1]->ptr); - keyword = sdscatlen(keyword, "*", 1); - keyword = sdscat(keyword, c->argv[2]->ptr); - - value = leveldb_get(server.ds_db, roptions, keyword, sdslen(keyword), &val_len, &err); - leveldb_readoptions_destroy(roptions); + keyword = sdscatlen(keyword, KEY_PREFIX_HASH, KEY_PREFIX_LENGTH); + keyword = sdscatsds(keyword, c->argv[1]->ptr); + keyword = sdscatlen(keyword, MEMBER_PREFIX, MEMBER_PREFIX_LENGTH); + keyword = sdscatsds(keyword, c->argv[2]->ptr); - if(err != NULL) - { + value = leveldb_get(server.ds_db, server.roptions, keyword, sdslen(keyword), &val_len, &err); + if (err != NULL) { sdsfree(keyword); - leveldb_free(err); - if(val_len > 0) leveldb_free(value); + if (val_len > 0) leveldb_free(value); addReplyError(c, err); - return ; - } - else if(val_len < 1) - { + leveldb_free(err); + return; + } else if (val_len < 1) { val = 0; - } - else - { - val = *(int64_t *)value; + } else { + val = strtoll(value, NULL, 10); } - - err = NULL; - recore = strtoll(c->argv[3]->ptr, NULL, 10); - recore = val + recore; - woptions = leveldb_writeoptions_create(); - - leveldb_put(server.ds_db, woptions, keyword, sdslen(keyword), (char *)&recore, sizeof(int64_t), &err); - leveldb_writeoptions_destroy(woptions); - if(err != NULL) - { - addReplyError(c, err); + + err = NULL; + recore = strtoll(c->argv[3]->ptr, NULL, 10); + recore = val + recore; + data = sdsfromlonglong(recore); + + leveldb_put(server.ds_db, server.woptions, keyword, sdslen(keyword), data, sdslen(data), &err); + if (err != NULL) { + addReplyError(c, err); leveldb_free(err); - } - else - { + } else { addReplyLongLong(c, recore); } + + sdsfree(data); + sdsfree(keyword); leveldb_free(value); - sdsfree(keyword); - return ; + return; } -void ds_hmget(redisClient *c) -{ - int i; - sds keyword; +/** + * 跨hash取值 + * ds_mhget key field [key field ...] + */ +void ds_mhget(redisClient *c) { + if(!server.ds_open) { + addReplyError(c,"REDIS_STORAGE CLOSED"); + return; + } + int i; + sds keyword, str, ret; size_t val_len; - char *key, *err = NULL, *value = NULL; - - leveldb_readoptions_t *roptions; - - roptions = leveldb_readoptions_create(); - leveldb_readoptions_set_verify_checksums(roptions, 0); - leveldb_readoptions_set_fill_cache(roptions, 1); + char *err = NULL, *value = NULL; + + if (((c->argc - 1) % 2) != 0) { + addReplyError(c, "syntax error"); + return; + } + + //addReplyMultiBulkLen(c, c->argc-2); - addReplyMultiBulkLen(c, c->argc-2); - - key = (char *)c->argv[1]->ptr; keyword = sdsempty(); - - for(i=2; iargc; i++) - { - err = NULL; - value = NULL; - val_len = 0; - + + + str = sdsempty(); + + for (i = 1; i < c->argc - 1; i += 2) { + err = NULL; + value = NULL; + val_len = 0; + sdsclear(keyword); - keyword = sdscat(keyword, key); - keyword = sdscatlen(keyword, "*", 1); - keyword = sdscat(keyword, c->argv[i]->ptr); - - value = leveldb_get(server.ds_db, roptions, keyword, sdslen(keyword), &val_len, &err); - if(err != NULL) - { + keyword = sdscatlen(keyword, KEY_PREFIX_HASH, KEY_PREFIX_LENGTH); + keyword = sdscatsds(keyword, c->argv[i]->ptr); + keyword = sdscatlen(keyword, MEMBER_PREFIX, MEMBER_PREFIX_LENGTH); + keyword = sdscatsds(keyword, c->argv[i + 1]->ptr); + + //fprintf(stderr,"K:%s\n",keyword); + + value = leveldb_get(server.ds_db, server.roptions, keyword, sdslen(keyword), &val_len, &err); + if (err != NULL) { sdsfree(keyword); - leveldb_free(err); - leveldb_free(value); + leveldb_free(value); addReplyError(c, err); - leveldb_readoptions_destroy(roptions); - return ; - } - else if(val_len > 0) - { - addReplyBulkCBuffer(c, value, val_len); - leveldb_free(value); - value = NULL; - } - else - { - addReply(c,shared.nullbulk); - - } - } - + leveldb_free(err); + sdsfree(str); + return; + } else if (val_len > 0) { + //addReplyBulkCBuffer(c, value, val_len); + + str = sdscatprintf(str, "$%zu\r\n", val_len); + str = sdscatlen(str, value, val_len); + str = sdscatlen(str, "\r\n", 2); + + leveldb_free(value); + value = NULL; + } else { + //addReply(c,shared.nullbulk); + str = sdscatlen(str, "$-1\r\n", 5); //nullbulk + } + } + sdsfree(keyword); - leveldb_readoptions_destroy(roptions); + + ret = sdsempty(); + ret = sdscatprintf(ret, "*%d\r\n", (c->argc - 1) / 2); + ret = sdscatsds(ret, str); + sdsfree(str); + + addReplySds(c, ret); +} + +static void ds_hmgetCommand(redisClient *c, int set) { + if(!server.ds_open) { + addReplyError(c,"REDIS_STORAGE CLOSED"); + return; + } + int i; + char *key, *err = NULL; + addReplyMultiBulkLen(c, c->argc-2); + robj *o; + key = (char *) c->argv[1]->ptr; + + for (i = 2; i < c->argc; i++) { + err = NULL; + o = ds_hgetToRobj(key, (char *) c->argv[i]->ptr, &err); + if(err != NULL) { + addReplyError(c, err); + leveldb_free(err); + return; + } + if(o == NULL) { + addReply(c, shared.nullbulk); + } else { + addReplyBulk(c, o); + if(set) { + robj *so; + if ((so = hashTypeLookupWriteOrCreate(c,c->argv[1])) != NULL){ + hashTypeTryConversion(so,c->argv,2,3); + hashTypeTryObjectEncoding(so,&c->argv[i], &o); + hashTypeSet(so,c->argv[i], o); + signalModifiedKey(c->db,c->argv[1]); + } + } + } + } + + if(set) { + checkRlTTL(c->db, c->argv[1]); + } +} + +void ds_hmget(redisClient *c) { + if(!server.ds_open) { + addReplyError(c,"REDIS_STORAGE CLOSED"); + return; + } + ds_hmgetCommand(c, 0); } -void ds_hmset(redisClient *c) -{ - int i; - sds keyword; - char *key, *field, *value; + +static int ds_hmsetCommand(redisClient *c, int ret) { + int i; + sds keyword; + char *key, *field, *value; char *err = NULL; - leveldb_writeoptions_t *woptions; - leveldb_writebatch_t *wb; - - if((c->argc%2) != 0) - { - addReply(c,shared.nullbulk); - return ; - } - - keyword = sdsempty(); - woptions = leveldb_writeoptions_create(); - wb = leveldb_writebatch_create(); - key = (char *)c->argv[1]->ptr; - - keyword = sdscat(keyword, key); - keyword = sdscatlen(keyword, "*", 1); + leveldb_writebatch_t *wb; + + if ((c->argc % 2) != 0) { + addReply(c, shared.nullbulk); + return 0; + } + + keyword = sdsempty(); + wb = leveldb_writebatch_create(); + key = (char *) c->argv[1]->ptr; + + keyword = sdscatlen(keyword, KEY_PREFIX_HASH, KEY_PREFIX_LENGTH); + keyword = sdscatsds(keyword, key); + keyword = sdscatlen(keyword, MEMBER_PREFIX, MEMBER_PREFIX_LENGTH); leveldb_writebatch_put(wb, keyword, sdslen(keyword), "1", 1); - for(i=2; iargc; i++) - { - field = (char *)c->argv[i]->ptr; - value = (char *)c->argv[++i]->ptr; - + for (i = 2; i < c->argc; i++) { + field = (char *) c->argv[i]->ptr; + value = (char *) c->argv[++i]->ptr; + sdsclear(keyword); - keyword = sdscat(keyword, key); - keyword = sdscatlen(keyword, "*", 1); - keyword = sdscat(keyword, field); - leveldb_writebatch_put(wb, keyword, sdslen(keyword), value, strlen(value)); - } + keyword = sdscatlen(keyword, KEY_PREFIX_HASH, KEY_PREFIX_LENGTH); + keyword = sdscatsds(keyword, key); + keyword = sdscatlen(keyword, MEMBER_PREFIX, MEMBER_PREFIX_LENGTH); + keyword = sdscatsds(keyword, field); + leveldb_writebatch_put(wb, keyword, sdslen(keyword), value, sdslen((sds) value)); + } sdsfree(keyword); - - leveldb_write(server.ds_db, woptions, wb, &err); - leveldb_writeoptions_destroy(woptions); - leveldb_writebatch_destroy(wb); - if(err != NULL) - { - addReplyError(c, err); - leveldb_free(err); - return ; - } - addReply(c,shared.ok); + leveldb_write(server.ds_db, server.woptions, wb, &err); + leveldb_writebatch_destroy(wb); + + if (err != NULL) { + addReplyError(c, err); + leveldb_free(err); + return 0; + } + if(ret) { + addReply(c, shared.ok); + } + + return 1; +} + +void ds_hmset(redisClient *c) { + if(!server.ds_open) { + addReplyError(c,"REDIS_STORAGE CLOSED"); + return; + } + ds_hmsetCommand(c, 1); +} - return ; +void rl_hmset(redisClient *c) { + if(!server.ds_open) { + addReplyError(c,"REDIS_STORAGE CLOSED"); + return; + } + if(ds_hmsetCommand(c, 0)) { + hmsetCommand(c); + checkRlTTL(c->db, c->argv[1]); + } } -void ds_hset(redisClient *c) -{ +static int ds_hsetCommand(redisClient *c, int ret) { sds str; char *key, *field, *value, *err; - leveldb_writeoptions_t *woptions; - leveldb_writebatch_t *wb; - - key = (char *)c->argv[1]->ptr; - field = (char *)c->argv[2]->ptr; - value = (char *)c->argv[3]->ptr; - - woptions = leveldb_writeoptions_create(); - wb = leveldb_writebatch_create(); - - str = sdsempty(); - str = sdscpy(str, key); - str = sdscatlen(str, "*", 1); - + leveldb_writebatch_t *wb; + + key = (char *) c->argv[1]->ptr; + field = (char *) c->argv[2]->ptr; + value = (char *) c->argv[3]->ptr; + + wb = leveldb_writebatch_create(); + + str = sdsempty(); + str = sdscatlen(str, KEY_PREFIX_HASH, KEY_PREFIX_LENGTH); + str = sdscatsds(str, key); + str = sdscatlen(str, MEMBER_PREFIX, MEMBER_PREFIX_LENGTH); + leveldb_writebatch_put(wb, str, sdslen(str), "1", 1); - + + // append member + str = sdscatsds(str, field); + leveldb_writebatch_put(wb, str, sdslen(str), value, sdslen((sds) value)); + + err = NULL; + leveldb_write(server.ds_db, server.woptions, wb, &err); + leveldb_writebatch_destroy(wb); + sdsfree(str); + + if (err != NULL) { + addReplyError(c, err); + leveldb_free(err); + return 0; + } else { + //addReply(c,shared.ok); + // keep the same return type as redis's hset + // TODO: how to distinguish the create(return 1) and update(return 0) ? + if(ret) { + addReplyLongLong(c, 1); + } + return 1; + } +} + +void ds_hset(redisClient *c) { + if(!server.ds_open) { + addReplyError(c,"REDIS_STORAGE CLOSED"); + return; + } + ds_hsetCommand(c, 1); +} + +/** + * set if not exists. + * return 1 (not exists and saved) + * return 0 (already exists) + */ +void ds_hsetnx(redisClient *c) { + if(!server.ds_open) { + addReplyError(c,"REDIS_STORAGE CLOSED"); + return; + } + char *value; + sds keyword; + + size_t val_len; + char *err = NULL; + leveldb_writebatch_t *wb; + + err = NULL; + val_len = 0; + keyword = sdsempty(); + keyword = sdscatlen(keyword, KEY_PREFIX_HASH, KEY_PREFIX_LENGTH); + keyword = sdscatsds(keyword, c->argv[1]->ptr); + keyword = sdscatlen(keyword, MEMBER_PREFIX, MEMBER_PREFIX_LENGTH); + + wb = leveldb_writebatch_create(); + // key + leveldb_writebatch_put(wb, keyword, sdslen(keyword), "1", 1); + + // append hash field + keyword = sdscatsds(keyword, c->argv[2]->ptr); + + value = leveldb_get(server.ds_db, server.roptions, keyword, sdslen(keyword), &val_len, &err); + if (err != NULL) { + //error + sdsfree(keyword); + if (val_len > 0) leveldb_free(value); + addReplyError(c, err); + leveldb_free(err); + leveldb_writebatch_destroy(wb); + return; + } else if (val_len > 0) { + // already exists + sdsfree(keyword); + leveldb_free(value); + addReplyLongLong(c, 0); + leveldb_writebatch_destroy(wb); + return; + } + + err = NULL; + leveldb_writebatch_put(wb, keyword, sdslen(keyword), (char *) c->argv[3]->ptr, sdslen((sds) c->argv[3]->ptr)); + leveldb_write(server.ds_db, server.woptions, wb, &err); + if (err != NULL) { + addReplyError(c, err); + leveldb_free(err); + } else { + addReplyLongLong(c, 1); + } + + sdsfree(keyword); + leveldb_writebatch_destroy(wb); + return; +} + +void rl_hset(redisClient *c) { + if(!server.ds_open) { + addReplyError(c,"REDIS_STORAGE CLOSED"); + return; + } + if(ds_hsetCommand(c, 0)) { + hsetCommand(c); + checkRlTTL(c->db, c->argv[1]); + } +} + +void rl_hdel(redisClient *c) { + if(!server.ds_open) { + addReplyError(c,"REDIS_STORAGE CLOSED"); + return; + } + robj *o; + int j, deleted = 0; + + if ((o = lookupKeyWrite(c->db, c->argv[1])) == NULL || + checkType(c, o, REDIS_HASH)) { + ds_hdel(c); + return; + } + + for (j = 2; j < c->argc; j++) { + if (hashTypeDelete(o, c->argv[j])) { + deleted++; + if (hashTypeLength(o) == 0) { + dbDelete(c->db, c->argv[1]); + break; + } + } + } + if (deleted) { + signalModifiedKey(c->db, c->argv[1]); + server.dirty += deleted; + } + + ds_hdel(c); + +} + +void ds_hgetall(redisClient *c) { + if(!server.ds_open) { + addReplyError(c,"REDIS_STORAGE CLOSED"); + return; + } + sds str, header; + char *keyword = NULL, *err; + + leveldb_iterator_t *iter; + + const char *key, *value; + size_t key_len, value_len, len, i; + + i = 0; + str = sdsempty(); + + str = sdscatlen(str, KEY_PREFIX_HASH, KEY_PREFIX_LENGTH); + str = sdscatsds(str, c->argv[1]->ptr); + str = sdscatlen(str, MEMBER_PREFIX, MEMBER_PREFIX_LENGTH); + len = sdslen(str); + keyword = zmalloc(len + 1); + memcpy(keyword, str, len); + + keyword[len] = '\0'; + sdsclear(str); - str = sdscpy(str, key); - str = sdscatlen(str, "*", 1); - str = sdscat(str, field); - leveldb_writebatch_put(wb, str, sdslen(str), value, strlen(value)); - - leveldb_write(server.ds_db, woptions, wb, &err); - - leveldb_writeoptions_destroy(woptions); - leveldb_writebatch_destroy(wb); + iter = leveldb_create_iterator(server.ds_db, server.roptions); + for (leveldb_iter_seek(iter, keyword, len); leveldb_iter_valid(iter); leveldb_iter_next(iter)) { + + key_len = value_len = 0; + key = leveldb_iter_key(iter, &key_len); + + + if (key_len < len || strncmp(keyword, key, len) != 0) + break; + + + if (key_len == len) + continue; + value = leveldb_iter_value(iter, &value_len); + + str = sdscatprintf(str, "$%zu\r\n", key_len - len); + str = sdscatlen(str, key + len, key_len - len); + str = sdscatprintf(str, "\r\n$%zu\r\n", value_len); + str = sdscatlen(str, value, value_len); + str = sdscatlen(str, "\r\n", 2); + + i++; + } + err = NULL; + zfree(keyword); + leveldb_iter_get_error(iter, &err); + leveldb_iter_destroy(iter); + + if (err) { + addReplyError(c, err); + leveldb_free(err); + } else if (i == 0) { + addReply(c, shared.nullbulk); + } else { + + header = sdsempty(); + header = sdscatprintf(header, "*%zu\r\n", (i * 2)); + header = sdscatlen(header, str, sdslen(str)); + addReplySds(c, header); + } + sdsfree(str); - - addReply(c,shared.ok); - return ; + + return; +} + +static void rl_HgetallCommand(redisClient *c, int flags) { + robj *o; + + o = lookupKeyRead(c->db, c->argv[1]); + if (o == NULL) { + if (flags == REDIS_HASH_KEY) { + ds_hkeys(c); + } else if (flags == REDIS_HASH_VALUE) { + ds_hvals(c); + }else{ + ds_hgetall(c); + } + return; + } + + if(o->type != REDIS_HASH) { + addReply(c, shared.wrongtypeerr); + return; + } + + checkRlTTL(c->db, c->argv[1]); + + + hashTypeIterator *hi; + int multiplier = 0; + int length, count = 0; + + if (flags & REDIS_HASH_KEY) multiplier++; + if (flags & REDIS_HASH_VALUE) multiplier++; + + length = hashTypeLength(o) * multiplier; + addReplyMultiBulkLen(c, length); + + hi = hashTypeInitIterator(o); + while (hashTypeNext(hi) != REDIS_ERR) { + if (flags & REDIS_HASH_KEY) { + addHashIteratorCursorToReply(c, hi, REDIS_HASH_KEY); + count++; + } + if (flags & REDIS_HASH_VALUE) { + addHashIteratorCursorToReply(c, hi, REDIS_HASH_VALUE); + count++; + } + } + + hashTypeReleaseIterator(hi); + redisAssert(count == length); } -void ds_hgetall(redisClient *c) -{ +void rl_hkeys(redisClient *c) { + if(!server.ds_open) { + addReplyError(c,"REDIS_STORAGE CLOSED"); + return; + } + rl_HgetallCommand(c,REDIS_HASH_KEY); +} + +void rl_hvals(redisClient *c) { + if(!server.ds_open) { + addReplyError(c,"REDIS_STORAGE CLOSED"); + return; + } + rl_HgetallCommand(c,REDIS_HASH_VALUE); +} + +void rl_hgetall(redisClient *c) { + if(!server.ds_open) { + addReplyError(c,"REDIS_STORAGE CLOSED"); + return; + } + rl_HgetallCommand(c,REDIS_HASH_KEY|REDIS_HASH_VALUE); +} + +void ds_hkeys(redisClient *c) { + if(!server.ds_open) { + addReplyError(c,"REDIS_STORAGE CLOSED"); + return; + } sds str, header; - char *keyword = NULL; - + char *keyword = NULL, *err; + + leveldb_iterator_t *iter; + + const char *key; + size_t key_len, value_len, len, i; + + i = 0; + str = sdsempty(); + + str = sdscatlen(str, KEY_PREFIX_HASH, KEY_PREFIX_LENGTH); + str = sdscatsds(str, c->argv[1]->ptr); + str = sdscatlen(str, MEMBER_PREFIX, MEMBER_PREFIX_LENGTH); + len = sdslen(str); + keyword = zmalloc(len + 1); + memcpy(keyword, str, len); + + keyword[len] = '\0'; + + sdsclear(str); + iter = leveldb_create_iterator(server.ds_db, server.roptions); + for (leveldb_iter_seek(iter, keyword, len); leveldb_iter_valid(iter); leveldb_iter_next(iter)) { + + key_len = value_len = 0; + key = leveldb_iter_key(iter, &key_len); + + // make sure the hashtable is the same + if (key_len < len || strncmp(keyword, key, len) != 0) + break; + + // skip the hashtable itself + if (key_len == len) + continue; + + str = sdscatprintf(str, "$%zu\r\n", (key_len - len)); + str = sdscatlen(str, key + len, key_len - len); + str = sdscatlen(str, "\r\n", 2); + + i++; + } + err = NULL; + zfree(keyword); + leveldb_iter_get_error(iter, &err); + leveldb_iter_destroy(iter); + + if (err) { + addReplyError(c, err); + leveldb_free(err); + } else if (i == 0) { + addReply(c, shared.nullbulk); + } else { + + header = sdsempty(); + header = sdscatprintf(header, "*%zu\r\n", (i * 1)); + header = sdscatlen(header, str, sdslen(str)); + addReplySds(c, header); + } + + sdsfree(str); + + return; +} + +void ds_hvals(redisClient *c) { + if(!server.ds_open) { + addReplyError(c,"REDIS_STORAGE CLOSED"); + return; + } + sds str, header; + char *keyword = NULL, *err; + + leveldb_iterator_t *iter; + const char *key, *value; size_t key_len, value_len, len, i; - - leveldb_iterator_t *iter; - leveldb_readoptions_t *roptions; - - roptions = leveldb_readoptions_create(); - leveldb_readoptions_set_verify_checksums(roptions, 0); - leveldb_readoptions_set_fill_cache(roptions, 1); - - i = 0; - str = sdsempty(); - iter = leveldb_create_iterator(server.ds_db, roptions); - - str = sdscpy(str, c->argv[1]->ptr); - str = sdscatlen(str, "*", 1); - len = sdslen(str); - keyword = zmalloc(len+1); + + i = 0; + str = sdsempty(); + + str = sdscatlen(str, KEY_PREFIX_HASH, KEY_PREFIX_LENGTH); + str = sdscatsds(str, c->argv[1]->ptr); + str = sdscatlen(str, MEMBER_PREFIX, MEMBER_PREFIX_LENGTH); + len = sdslen(str); + keyword = zmalloc(len + 1); memcpy(keyword, str, len); - leveldb_iter_seek(iter, keyword, len); - - if(!leveldb_iter_valid(iter)) - { - sdsfree(str); - zfree(keyword); - addReply(c,shared.nullbulk); - leveldb_iter_destroy(iter); - leveldb_readoptions_destroy(roptions); - return ; - } - + keyword[len] = '\0'; + sdsclear(str); - leveldb_iter_next(iter); - while(1) - { - if(!leveldb_iter_valid(iter)) - break; - + iter = leveldb_create_iterator(server.ds_db, server.roptions); + for (leveldb_iter_seek(iter, keyword, len); leveldb_iter_valid(iter); leveldb_iter_next(iter)) { + key_len = value_len = 0; - key = leveldb_iter_key(iter, &key_len); - value = leveldb_iter_value(iter, &value_len); - - if(strncmp(keyword, key, len) != 0) + key = leveldb_iter_key(iter, &key_len); + + // make sure the hashtable is the same + if (key_len < len || strncmp(keyword, key, len) != 0) break; - - str = sdscatprintf(str, "$%lu\r\n", key_len-len); - str = sdscatlen(str, key+len, key_len-len); - str = sdscatprintf(str, "\r\n$%lu\r\n", value_len); + + // skip the hashtable itself + if (key_len == len) + continue; + + // now, key is valid and get value here + value = leveldb_iter_value(iter, &value_len); + + str = sdscatprintf(str, "$%zu\r\n", value_len); str = sdscatlen(str, value, value_len); str = sdscatlen(str, "\r\n", 2); - + i++; - leveldb_iter_next(iter); - } - - if(i == 0) - { - addReply(c,shared.nullbulk); } - else - { + err = NULL; + zfree(keyword); + leveldb_iter_get_error(iter, &err); + leveldb_iter_destroy(iter); + + if (err) { + addReplyError(c, err); + leveldb_free(err); + } else if (i == 0) { + addReply(c, shared.nullbulk); + } else { + header = sdsempty(); - header = sdscatprintf(header, "*%lu\r\n", i*2); + header = sdscatprintf(header, "*%zu\r\n", (i * 1)); header = sdscatlen(header, str, sdslen(str)); addReplySds(c, header); - sdsfree(header); } - + sdsfree(str); + + return; +} + +void ds_hlen(redisClient *c) { + if(!server.ds_open) { + addReplyError(c,"REDIS_STORAGE CLOSED"); + return; + } + sds str; + char *keyword = NULL, *err; + + leveldb_iterator_t *iter; + + const char *key; + size_t key_len, value_len, len, i; + + i = 0; + str = sdsempty(); + + str = sdscatlen(str, KEY_PREFIX_HASH, KEY_PREFIX_LENGTH); + str = sdscatsds(str, c->argv[1]->ptr); + str = sdscatlen(str, MEMBER_PREFIX, MEMBER_PREFIX_LENGTH); + len = sdslen(str); + keyword = zmalloc(len + 1); + memcpy(keyword, str, len); + + keyword[len] = '\0'; + + sdsclear(str); + iter = leveldb_create_iterator(server.ds_db, server.roptions); + for (leveldb_iter_seek(iter, keyword, len); leveldb_iter_valid(iter); leveldb_iter_next(iter)) { + + key_len = value_len = 0; + key = leveldb_iter_key(iter, &key_len); + + // make sure the hashtable is the same + if (key_len < len || strncmp(keyword, key, len) != 0) + break; + + // skip the hashtable itself + if (key_len == len) + continue; + + i++; + } + err = NULL; zfree(keyword); + leveldb_iter_get_error(iter, &err); leveldb_iter_destroy(iter); - leveldb_readoptions_destroy(roptions); - return ; + + if (err) { + addReplyError(c, err); + leveldb_free(err); + } else if (i == 0) { + addReply(c, shared.nullbulk); + } else { + + addReplyLongLong(c, i); + } + + sdsfree(str); + return; } +void rl_hlen(redisClient *c) { + robj *o; + + o = lookupKeyRead(c->db, c->argv[1]); + if (o == NULL) { + ds_hlen(c); + return; + } + + if(o->type != REDIS_HASH) { + addReply(c, shared.wrongtypeerr); + return; + } + + checkRlTTL(c->db, c->argv[1]); -void ds_hdel(redisClient *c) -{ - const char *key; + addReplyLongLong(c,hashTypeLength(o)); +} + +void ds_hdel(redisClient *c) { + if(!server.ds_open) { + addReplyError(c,"REDIS_STORAGE CLOSED"); + return; + } + const char *key; size_t key_len, i; - + sds keyword; char *err = NULL; - leveldb_writeoptions_t *woptions; - leveldb_writebatch_t *wb; - leveldb_iterator_t *iter; - leveldb_readoptions_t *roptions; - - roptions = leveldb_readoptions_create(); - leveldb_readoptions_set_verify_checksums(roptions, 0); - leveldb_readoptions_set_fill_cache(roptions, 1); - - iter = leveldb_create_iterator(server.ds_db, roptions); - - keyword = sdsempty(); - woptions = leveldb_writeoptions_create(); - - if(c->argc < 3) - { - keyword = sdscpy(keyword, c->argv[1]->ptr); - keyword = sdscatlen(keyword, "*", 1); - - leveldb_iter_seek(iter, keyword, sdslen(keyword)); - if(!leveldb_iter_valid(iter)) - { - sdsfree(keyword); - addReply(c,shared.nullbulk); - leveldb_iter_destroy(iter); - leveldb_readoptions_destroy(roptions); - leveldb_writeoptions_destroy(woptions); - return ; - } - + leveldb_writebatch_t *wb; + leveldb_iterator_t *iter; + int dflag = 0; + + keyword = sdsempty(); + + //delete hashtable key + if (c->argc < 3) { + keyword = sdscatlen(keyword, KEY_PREFIX_HASH, KEY_PREFIX_LENGTH); + keyword = sdscatsds(keyword, c->argv[1]->ptr); + keyword = sdscatlen(keyword, MEMBER_PREFIX, MEMBER_PREFIX_LENGTH); + + + iter = leveldb_create_iterator(server.ds_db, server.roptions); wb = leveldb_writebatch_create(); - while(1) - { + + for (leveldb_iter_seek(iter, keyword, sdslen(keyword)); leveldb_iter_valid(iter); leveldb_iter_next(iter)) { key_len = 0; - key = leveldb_iter_key(iter, &key_len); - - if(strncmp(keyword, key, sdslen(keyword)) != 0) + key = leveldb_iter_key(iter, &key_len); + + if (key_len < sdslen(keyword) || strncmp(keyword, key, sdslen(keyword)) != 0) break; - - //printf("key = %s\r\n", key); + leveldb_writebatch_delete(wb, key, key_len); - leveldb_iter_next(iter); - if(!leveldb_iter_valid(iter)) - break; + if (!dflag) { + dflag = 1; + } } - - leveldb_write(server.ds_db, woptions, wb, &err); - leveldb_writeoptions_destroy(woptions); - leveldb_writebatch_destroy(wb); - - if(err != NULL) - { - addReplyError(c, err); - leveldb_free(err); - - sdsfree(keyword); - leveldb_iter_destroy(iter); - leveldb_readoptions_destroy(roptions); - leveldb_writeoptions_destroy(woptions); - return ; - } - addReply(c,shared.ok); - + + leveldb_write(server.ds_db, server.woptions, wb, &err); + leveldb_writebatch_clear(wb); + leveldb_writebatch_destroy(wb); sdsfree(keyword); + + if (err != NULL) { + addReplyError(c, err); + leveldb_free(err); + return; + } + + err = NULL; + leveldb_iter_get_error(iter, &err); leveldb_iter_destroy(iter); - leveldb_readoptions_destroy(roptions); - leveldb_writeoptions_destroy(woptions); - - return ; - } - - wb = leveldb_writebatch_create(); - for(i=2; iargc; i++) - { + + if (err) { + addReplyError(c, err); + leveldb_free(err); + + return; + } + + addReply(c, dflag ? shared.cone : shared.czero); + return; + } + + err = NULL; + + wb = leveldb_writebatch_create(); + for (i = 2; i < c->argc; i++) { sdsclear(keyword); - keyword = sdscpy(keyword, c->argv[1]->ptr); - keyword = sdscatlen(keyword, "*", 1); - keyword = sdscat(keyword, c->argv[i]->ptr); - leveldb_writebatch_delete(wb, keyword, sdslen(keyword)); - } - + keyword = sdscatlen(keyword, KEY_PREFIX_HASH, KEY_PREFIX_LENGTH); + keyword = sdscatsds(keyword, c->argv[1]->ptr); + keyword = sdscatlen(keyword, MEMBER_PREFIX, MEMBER_PREFIX_LENGTH); + keyword = sdscatsds(keyword, c->argv[i]->ptr); + leveldb_writebatch_delete(wb, keyword, sdslen(keyword)); + } + sdsfree(keyword); - leveldb_write(server.ds_db, woptions, wb, &err); - leveldb_readoptions_destroy(roptions); - leveldb_writeoptions_destroy(woptions); - leveldb_writebatch_destroy(wb); - + leveldb_write(server.ds_db, server.woptions, wb, &err); + leveldb_writebatch_clear(wb); + leveldb_writebatch_destroy(wb); + + + if (err != NULL) { + addReplyError(c, err); + leveldb_free(err); + return; + } + - if(err != NULL) - { - addReplyError(c, err); - leveldb_free(err); - return ; - } - addReply(c,shared.ok); + addReplyLongLong(c, c->argc - 2); - return ; + return; } -void ds_hget(redisClient *c) -{ +static void ds_hgetCommand(redisClient *c, int set) { sds str; size_t val_len = 0; char *key = NULL, *field = NULL, *value = NULL, *err = NULL; - - leveldb_readoptions_t *roptions; - - key = (char *)c->argv[1]->ptr; - field = (char *)c->argv[2]->ptr; - - roptions = leveldb_readoptions_create(); - leveldb_readoptions_set_verify_checksums(roptions, 0); - leveldb_readoptions_set_fill_cache(roptions, 1); - - str = sdsnew(key); - str = sdscatlen(str, "*", 1); - str = sdscat(str, field); - value = leveldb_get(server.ds_db, roptions, str, sdslen(str), &val_len, &err); - leveldb_readoptions_destroy(roptions); - - if(err != NULL) - { - addReplyError(c, err); + + + key = (char *) c->argv[1]->ptr; + field = (char *) c->argv[2]->ptr; + + str = sdsempty(); + str = sdscatlen(str, KEY_PREFIX_HASH, KEY_PREFIX_LENGTH); + str = sdscatsds(str, key); + str = sdscatlen(str, MEMBER_PREFIX, MEMBER_PREFIX_LENGTH); + str = sdscatsds(str, field); + value = leveldb_get(server.ds_db, server.roptions, str, sdslen(str), &val_len, &err); + if (err != NULL) { + addReplyError(c, err); leveldb_free(err); - if(val_len > 0) leveldb_free(value); + if (val_len > 0) leveldb_free(value); - return ; + sdsfree(str); + return; + } else if (value == NULL) { + addReply(c, shared.nullbulk); + + sdsfree(str); + return; } - else if(value == NULL) - { - addReply(c,shared.nullbulk); - return ; - } sdsfree(str); - + + if(set) { + robj *o; + + if ((o = hashTypeLookupWriteOrCreate(c,c->argv[1])) != NULL){ + robj *rv; + rv = createStringObject(value, val_len); + hashTypeSet(o,c->argv[2], rv); + } + } + addReplyBulkCBuffer(c, value, val_len); leveldb_free(value); + +} + +void ds_hget(redisClient *c) { + if(!server.ds_open) { + addReplyError(c,"REDIS_STORAGE CLOSED"); + return; + } + ds_hgetCommand(c, 0); + return; +} + +static void rl_hgetCommand(redisClient *c, int set) { + robj *o; + + if ((o = lookupKeyRead(c->db, c->argv[1])) != NULL) { + //addHashFieldToReply(c, o, c->argv[2]); + //checkRlTTL(c->db, c->argv[1]); + if(o->type != REDIS_HASH) { + addReply(c, shared.wrongtypeerr); + return; + } + + int ret; + + if (o->encoding == REDIS_ENCODING_ZIPLIST) { + unsigned char *vstr = NULL; + unsigned int vlen = UINT_MAX; + long long vll = LLONG_MAX; + + ret = hashTypeGetFromZiplist(o, c->argv[2], &vstr, &vlen, &vll); + if (ret < 0) { + ds_hgetCommand(c, set); + } else { + if (vstr) { + addReplyBulkCBuffer(c, vstr, vlen); + } else { + addReplyBulkLongLong(c, vll); + } + checkRlTTL(c->db, c->argv[1]); + } + + } else if (o->encoding == REDIS_ENCODING_HT) { + robj *value; + + ret = hashTypeGetFromHashTable(o, c->argv[2], &value); + if (ret < 0) { + //addReply(c, shared.nullbulk); + ds_hgetCommand(c, set); + checkRlTTL(c->db, c->argv[1]); + } else { + addReplyBulk(c, value); + } + + } else { + redisPanic("Unknown hash encoding"); + } + return; + } + ds_hgetCommand(c, set); + +} + +void rl_hget(redisClient *c) { + if(!server.ds_open) { + addReplyError(c,"REDIS_STORAGE CLOSED"); + return; + } + rl_hgetCommand(c, 0); + return; +} + +void rl_hgetset(redisClient *c) { + if(!server.ds_open) { + addReplyError(c,"REDIS_STORAGE CLOSED"); + return; + } + rl_hgetCommand(c, 1); + return; +} + +static void rl_hmgetCommand(redisClient *c, int set) { + robj *o; + o = lookupKeyRead(c->db, c->argv[1]); + if (o == NULL) { + ds_hmgetCommand(c, set); + return; + } + + if(o->type != REDIS_HASH) { + addReply(c, shared.wrongtypeerr); + return; + } + checkRlTTL(c->db, c->argv[1]); + + int i; + char *key, *err = NULL; + addReplyMultiBulkLen(c, c->argc-2); + + key = (char *) c->argv[1]->ptr; + + for (i = 2; i < c->argc; i++) { + int ret; + + if (o == NULL) { + addReply(c, shared.nullbulk); + return; + } + + if (o->encoding == REDIS_ENCODING_ZIPLIST) { + unsigned char *vstr = NULL; + unsigned int vlen = UINT_MAX; + long long vll = LLONG_MAX; + + ret = hashTypeGetFromZiplist(o, c->argv[i], &vstr, &vlen, &vll); + if (ret < 0) { + //addReply(c, shared.nullbulk); + err = NULL; + robj *vo = ds_hgetToRobj(key, (char *) c->argv[i]->ptr, &err); + if(err != NULL) { + addReplyError(c, err); + leveldb_free(err); + return; + } + if(vo == NULL) { + addReply(c, shared.nullbulk); + } else { + addReplyBulk(c, vo); + if(set) { + robj *so; + if ((so = hashTypeLookupWriteOrCreate(c,c->argv[1])) != NULL){ + hashTypeTryConversion(so,c->argv,2,3); + hashTypeTryObjectEncoding(so,&c->argv[i], &vo); + hashTypeSet(so,c->argv[i], vo); + signalModifiedKey(c->db,c->argv[1]); + } + } + } + } else { + + if (vstr) { + addReplyBulkCBuffer(c, vstr, vlen); + } else { + addReplyBulkLongLong(c, vll); + } + + } + + } else if (o->encoding == REDIS_ENCODING_HT) { + robj *value; + + ret = hashTypeGetFromHashTable(o, c->argv[i], &value); + if (ret < 0) { + //addReply(c, shared.nullbulk); + err = NULL; + robj *vo = ds_hgetToRobj(key, (char *) c->argv[i]->ptr, &err); + if(err != NULL) { + addReplyError(c, err); + leveldb_free(err); + return; + } + if(vo == NULL) { + addReply(c, shared.nullbulk); + } else { + addReplyBulk(c, vo); + if(set) { + robj *so; + if ((so = hashTypeLookupWriteOrCreate(c,c->argv[1])) != NULL){ + hashTypeTryConversion(so,c->argv,2,3); + hashTypeTryObjectEncoding(so,&c->argv[i], &vo); + hashTypeSet(so,c->argv[i], vo); + signalModifiedKey(c->db,c->argv[1]); + } + } + } + } else { + addReplyBulk(c, value); + } + + } else { + redisPanic("Unknown hash encoding"); + } + + } +} + +void rl_hmget(redisClient *c) { + if(!server.ds_open) { + addReplyError(c,"REDIS_STORAGE CLOSED"); + return; + } + rl_hmgetCommand(c, 0); } +void rl_hmgetset(redisClient *c) { + if(!server.ds_open) { + addReplyError(c,"REDIS_STORAGE CLOSED"); + return; + } + rl_hmgetCommand(c, 1); +} -void ds_incrby(redisClient *c) -{ +void ds_incrby(redisClient *c) { + if(!server.ds_open) { + addReplyError(c,"REDIS_STORAGE CLOSED"); + return; + } + sds data; char *value; int64_t val, recore; - + size_t val_len; char *err = NULL; - leveldb_writeoptions_t *woptions; - leveldb_readoptions_t *roptions; - - - roptions = leveldb_readoptions_create(); - leveldb_readoptions_set_verify_checksums(roptions, 0); - leveldb_readoptions_set_fill_cache(roptions, 1); - - err = NULL; + + err = NULL; val_len = 0; - - value = leveldb_get(server.ds_db, roptions, c->argv[1]->ptr, strlen(c->argv[1]->ptr), &val_len, &err); - leveldb_readoptions_destroy(roptions); - if(err != NULL) - { - leveldb_free(err); - if(val_len > 0) leveldb_free(value); + value = leveldb_get(server.ds_db, server.roptions, c->argv[1]->ptr, sdslen((sds) c->argv[1]->ptr), &val_len, &err); + if (err != NULL) { + if (val_len > 0) leveldb_free(value); addReplyError(c, err); - return ; - } - else if(val_len < 1) - { + leveldb_free(err); + return; + } else if (val_len < 1) { val = 0; - } - else - { - val = *(int64_t *)value; + } else { + val = strtoll(value, NULL, 10); } - - err = NULL; - recore = strtoll(c->argv[2]->ptr, NULL, 10); - recore = val + recore; - woptions = leveldb_writeoptions_create(); - - leveldb_put(server.ds_db, woptions, c->argv[1]->ptr, strlen(c->argv[1]->ptr), (char *)&recore, sizeof(int64_t), &err); - leveldb_writeoptions_destroy(woptions); - if(err != NULL) - { - addReplyError(c, err); + + err = NULL; + recore = strtoll(c->argv[2]->ptr, NULL, 10); + recore = val + recore; + data = sdsfromlonglong(recore); + + leveldb_put(server.ds_db, server.woptions, c->argv[1]->ptr, sdslen((sds) c->argv[1]->ptr), data, sdslen(data), &err); + if (err != NULL) { + addReplyError(c, err); leveldb_free(err); - } - else - { + } else { addReplyLongLong(c, recore); } + + sdsfree(data); leveldb_free(value); - return ; + return; } - -void ds_append(redisClient *c) -{ - sds recore; +void ds_append(redisClient *c) { + if(!server.ds_open) { + addReplyError(c,"REDIS_STORAGE CLOSED"); + return; + } + sds recore; char *value; - + size_t val_len; char *err = NULL; - leveldb_writeoptions_t *woptions; - leveldb_readoptions_t *roptions; - - - roptions = leveldb_readoptions_create(); - leveldb_readoptions_set_verify_checksums(roptions, 0); - leveldb_readoptions_set_fill_cache(roptions, 1); - - err = NULL; + + err = NULL; val_len = 0; - - value = leveldb_get(server.ds_db, roptions, c->argv[1]->ptr, strlen(c->argv[1]->ptr), &val_len, &err); - leveldb_readoptions_destroy(roptions); - if(err != NULL) - { - leveldb_free(err); - if(val_len > 0) leveldb_free(value); + value = leveldb_get(server.ds_db, server.roptions, c->argv[1]->ptr, sdslen((sds) c->argv[1]->ptr), &val_len, &err); + if (err != NULL) { + if (val_len > 0) leveldb_free(value); addReplyError(c, err); - return ; - } - - - err = NULL; - recore = sdsempty(); - if(val_len > 0) - { - recore = sdscpy(recore, value); - } - recore = sdscat(recore, c->argv[1]->ptr); - woptions = leveldb_writeoptions_create(); - - leveldb_put(server.ds_db, woptions, c->argv[1]->ptr, strlen(c->argv[1]->ptr), recore, sdslen(recore), &err); - leveldb_writeoptions_destroy(woptions); - if(err != NULL) - { - addReplyError(c, err); leveldb_free(err); + return; } - else - { - addReply(c,shared.ok); + + + err = NULL; + recore = sdsempty(); + if (val_len > 0) { + recore = sdscpylen(recore, value, val_len); } - + recore = sdscatsds(recore, c->argv[2]->ptr); + + leveldb_put(server.ds_db, server.woptions, c->argv[1]->ptr, sdslen((sds) c->argv[1]->ptr), recore, sdslen(recore), &err); + if (err != NULL) { + addReplyError(c, err); + leveldb_free(err); + } else { + addReplyLongLong(c, sdslen(recore)); + } + sdsfree(recore); leveldb_free(value); - return ; + return; } -void ds_set(redisClient *c) -{ - char *key, *value; +void ds_set(redisClient *c) { + if(!server.ds_open) { + addReplyError(c,"REDIS_STORAGE CLOSED"); + return; + } + char *key, *value; char *err = NULL; - leveldb_writeoptions_t *woptions; - woptions = leveldb_writeoptions_create(); - - key = (char *)c->argv[1]->ptr; - value = (char *)c->argv[2]->ptr; - leveldb_put(server.ds_db, woptions, key, strlen(key), value, strlen(value), &err); - leveldb_writeoptions_destroy(woptions); - if(err != NULL) - { - addReplyError(c, err); + key = (char *) c->argv[1]->ptr; + value = (char *) c->argv[2]->ptr; + leveldb_put(server.ds_db, server.woptions, key, sdslen((sds) key), value, sdslen((sds) value), &err); + if (err != NULL) { + addReplyError(c, err); leveldb_free(err); - return ; + return; } - addReply(c,shared.ok); - return ; + addReply(c, shared.ok); + return; } -void rl_set(redisClient *c) -{ - char *key, *value; +void rl_set(redisClient *c) { + if(!server.ds_open) { + addReplyError(c,"REDIS_STORAGE CLOSED"); + return; + } + char *key, *value; char *err = NULL; - leveldb_writeoptions_t *woptions; - woptions = leveldb_writeoptions_create(); - - key = (char *)c->argv[1]->ptr; - value = (char *)c->argv[2]->ptr; - leveldb_put(server.ds_db, woptions, key, strlen(key), value, strlen(value), &err); - leveldb_writeoptions_destroy(woptions); - if(err != NULL) - { + key = (char *) c->argv[1]->ptr; + value = (char *) c->argv[2]->ptr; + leveldb_put(server.ds_db, server.woptions, key, sdslen((sds) key), value, sdslen((sds) value), &err); + if (err != NULL) { addReplyError(c, err); leveldb_free(err); - return ; + return; } //addReply(c,shared.ok); //存到redis setCommand(c); + checkRlTTL(c->db, c->argv[1]); + } -void ds_delete(redisClient *c) -{ - int i; - char *key; +void ds_delete(redisClient *c) { + if(!server.ds_open) { + addReplyError(c,"REDIS_STORAGE CLOSED"); + return; + } + int i; + char *key; char *err = NULL; - leveldb_writeoptions_t *woptions; - leveldb_writebatch_t *wb; + leveldb_writebatch_t *wb; - woptions = leveldb_writeoptions_create(); - - if(c->argc < 3) - { - key = (char *)c->argv[1]->ptr; - leveldb_delete(server.ds_db, woptions, key, strlen(key), &err); - leveldb_writeoptions_destroy(woptions); - if(err != NULL) - { - addReplyError(c, err); - leveldb_free(err); - return ; - } - addReply(c,shared.ok); - return ; - } - - wb = leveldb_writebatch_create(); - for(i=1; iargc; i++) - { - leveldb_writebatch_delete(wb, (char *)c->argv[i]->ptr, strlen((char *)c->argv[i]->ptr)); - } - leveldb_write(server.ds_db, woptions, wb, &err); - leveldb_writeoptions_destroy(woptions); - leveldb_writebatch_destroy(wb); - - if(err != NULL) - { - addReplyError(c, err); - leveldb_free(err); - return ; - } - addReply(c,shared.ok); - - return ; -} - - - -void rl_delete(redisClient *c) -{ - ds_delete(c); - delCommand(c); + if (c->argc < 3) { + key = (char *) c->argv[1]->ptr; + leveldb_delete(server.ds_db, server.woptions, key, sdslen((sds) key), &err); + if (err != NULL) { + addReplyError(c, err); + leveldb_free(err); + return; + } + addReply(c, shared.cone); + return; + } + + wb = leveldb_writebatch_create(); + for (i = 1; i < c->argc; i++) { + leveldb_writebatch_delete(wb, (char *) c->argv[i]->ptr, sdslen((sds) c->argv[i]->ptr)); + } + leveldb_write(server.ds_db, server.woptions, wb, &err); + leveldb_writebatch_clear(wb); + leveldb_writebatch_destroy(wb); + wb = NULL; + + if (err != NULL) { + addReplyError(c, err); + leveldb_free(err); + return; + } + + addReplyLongLong(c, c->argc - 1); + + return; } -void ds_close() -{ - leveldb_options_set_filter_policy(server.ds_options, NULL); - leveldb_filterpolicy_destroy(server.policy); - leveldb_close(server.ds_db); - leveldb_options_destroy(server.ds_options); - leveldb_cache_destroy(server.ds_cache); +void rl_delete(redisClient *c) { + if(!server.ds_open) { + addReplyError(c,"REDIS_STORAGE CLOSED"); + return; + } + int i; + char *key; + char *err = NULL; + leveldb_writebatch_t *wb; + + if (c->argc < 3) { + key = (char *) c->argv[1]->ptr; + leveldb_delete(server.ds_db, server.woptions, key, sdslen((sds) key), &err); + if (err != NULL) { + addReplyError(c, err); + leveldb_free(err); + return; + } + delCommand(c); + return; + } + + wb = leveldb_writebatch_create(); + for (i = 1; i < c->argc; i++) { + leveldb_writebatch_delete(wb, (char *) c->argv[i]->ptr, sdslen((sds) c->argv[i]->ptr)); + } + leveldb_write(server.ds_db, server.woptions, wb, &err); + leveldb_writebatch_clear(wb); + leveldb_writebatch_destroy(wb); + wb = NULL; + + if (err != NULL) { + addReplyError(c, err); + leveldb_free(err); + return; + } + + delCommand(c); + } +void ds_close() { + if(server.ds_open) { + leveldb_readoptions_destroy(server.roptions); + leveldb_writeoptions_destroy(server.woptions); + leveldb_options_set_filter_policy(server.ds_options, NULL); + leveldb_filterpolicy_destroy(server.policy); + leveldb_close(server.ds_db); + leveldb_options_destroy(server.ds_options); + leveldb_cache_destroy(server.ds_cache); + } +} diff --git a/src/endianconv.h b/src/endianconv.h index f76e0e6..450fb51 100644 --- a/src/endianconv.h +++ b/src/endianconv.h @@ -1,63 +1,64 @@ -/* See endianconv.c top comments for more information - * - * ---------------------------------------------------------------------------- - * - * Copyright (c) 2011-2012, Salvatore Sanfilippo - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * * Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * * Neither the name of Redis nor the names of its contributors may be used - * to endorse or promote products derived from this software without - * specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -#ifndef __ENDIANCONV_H -#define __ENDIANCONV_H - -#include - -void memrev16(void *p); -void memrev32(void *p); -void memrev64(void *p); -uint16_t intrev16(uint16_t v); -uint32_t intrev32(uint32_t v); -uint64_t intrev64(uint64_t v); - -/* variants of the function doing the actual convertion only if the target - * host is big endian */ -#if (BYTE_ORDER == LITTLE_ENDIAN) -#define memrev16ifbe(p) -#define memrev32ifbe(p) -#define memrev64ifbe(p) -#define intrev16ifbe(v) (v) -#define intrev32ifbe(v) (v) -#define intrev64ifbe(v) (v) -#else -#define memrev16ifbe(p) memrev16(p) -#define memrev32ifbe(p) memrev32(p) -#define memrev64ifbe(p) memrev64(p) -#define intrev16ifbe(v) intrev16(v) -#define intrev32ifbe(v) intrev32(v) -#define intrev64ifbe(v) intrev64(v) -#endif - -#endif +/* See endianconv.c top comments for more information + * + * ---------------------------------------------------------------------------- + * + * Copyright (c) 2011-2012, Salvatore Sanfilippo + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of Redis nor the names of its contributors may be used + * to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef __ENDIANCONV_H +#define __ENDIANCONV_H + +#include "config.h" +#include + +void memrev16(void *p); +void memrev32(void *p); +void memrev64(void *p); +uint16_t intrev16(uint16_t v); +uint32_t intrev32(uint32_t v); +uint64_t intrev64(uint64_t v); + +/* variants of the function doing the actual convertion only if the target + * host is big endian */ +#if (BYTE_ORDER == LITTLE_ENDIAN) +#define memrev16ifbe(p) +#define memrev32ifbe(p) +#define memrev64ifbe(p) +#define intrev16ifbe(v) (v) +#define intrev32ifbe(v) (v) +#define intrev64ifbe(v) (v) +#else +#define memrev16ifbe(p) memrev16(p) +#define memrev32ifbe(p) memrev32(p) +#define memrev64ifbe(p) memrev64(p) +#define intrev16ifbe(v) intrev16(v) +#define intrev32ifbe(v) intrev32(v) +#define intrev64ifbe(v) intrev64(v) +#endif + +#endif diff --git a/src/fmacros.h b/src/fmacros.h index 6f3c4b4..3f2c8c7 100644 --- a/src/fmacros.h +++ b/src/fmacros.h @@ -1,48 +1,48 @@ -/* - * Copyright (c) 2009-2012, Salvatore Sanfilippo - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * * Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * * Neither the name of Redis nor the names of its contributors may be used - * to endorse or promote products derived from this software without - * specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -#ifndef _REDIS_FMACRO_H -#define _REDIS_FMACRO_H - -#define _BSD_SOURCE - -#if defined(__linux__) -#define _GNU_SOURCE -#endif - -#if defined(__linux__) || defined(__OpenBSD__) -#define _XOPEN_SOURCE 700 -#else -#define _XOPEN_SOURCE -#endif - -#define _LARGEFILE_SOURCE -#define _FILE_OFFSET_BITS 64 - -#endif +/* + * Copyright (c) 2009-2012, Salvatore Sanfilippo + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of Redis nor the names of its contributors may be used + * to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _REDIS_FMACRO_H +#define _REDIS_FMACRO_H + +#define _BSD_SOURCE + +#if defined(__linux__) +#define _GNU_SOURCE +#endif + +#if defined(__linux__) || defined(__OpenBSD__) || defined(__NetBSD__) +#define _XOPEN_SOURCE 700 +#else +#define _XOPEN_SOURCE +#endif + +#define _LARGEFILE_SOURCE +#define _FILE_OFFSET_BITS 64 + +#endif diff --git a/src/help.h b/src/help.h index 1378b8b..60a5726 100644 --- a/src/help.h +++ b/src/help.h @@ -69,6 +69,11 @@ struct commandHelp { "Pop a value from a list, push it to another list and return it; or block until one is available", 2, "2.2.0" }, + { "CLIENT GETNAME", + "-", + "Get the current connection name", + 9, + "2.6.9" }, { "CLIENT KILL", "ip:port", "Kill the connection of a client", @@ -79,6 +84,11 @@ struct commandHelp { "Get the list of client connections", 9, "2.4.0" }, + { "CLIENT SETNAME", + "connection-name", + "Set the current connection name", + 9, + "2.6.9" }, { "CONFIG GET", "parameter", "Get the value of a configuration parameter", @@ -280,7 +290,7 @@ struct commandHelp { 1, "2.6.0" }, { "INFO", - "-", + "[section]", "Get information and statistics about the server", 9, "1.0.0" }, @@ -525,7 +535,7 @@ struct commandHelp { 8, "1.0.0" }, { "SET", - "key value", + "key value [EX seconds] [PX milliseconds] [NX|XX]", "Set the string value of a key", 1, "1.0.0" }, @@ -665,7 +675,7 @@ struct commandHelp { 7, "2.2.0" }, { "ZADD", - "key score member [score] [member]", + "key score member [score member ...]", "Add one or more members to a sorted set, or update its score if it already exists", 4, "1.2.0" }, diff --git a/src/lzfP.h b/src/lzfP.h index d533f18..10d804e 100644 --- a/src/lzfP.h +++ b/src/lzfP.h @@ -93,7 +93,7 @@ /* * Avoid assigning values to errno variable? for some embedding purposes - * (linux kernel for example), this is neccessary. NOTE: this breaks + * (linux kernel for example), this is necessary. NOTE: this breaks * the documentation in lzf.h. */ #ifndef AVOID_ERRNO @@ -101,7 +101,7 @@ #endif /* - * Wether to pass the LZF_STATE variable as argument, or allocate it + * Whether to pass the LZF_STATE variable as argument, or allocate it * on the stack. For small-stack environments, define this to 1. * NOTE: this breaks the prototype in lzf.h. */ @@ -110,11 +110,11 @@ #endif /* - * Wether to add extra checks for input validity in lzf_decompress + * Whether to add extra checks for input validity in lzf_decompress * and return EINVAL if the input stream has been corrupted. This * only shields against overflowing the input buffer and will not * detect most corrupted streams. - * This check is not normally noticable on modern hardware + * This check is not normally noticeable on modern hardware * (<1% slowdown), but might slow down older cpus considerably. */ #ifndef CHECK_INPUT diff --git a/src/memtest.c b/src/memtest.c index 56162ff..a0b99f9 100644 --- a/src/memtest.c +++ b/src/memtest.c @@ -78,10 +78,8 @@ void memtest_progress_end(void) { void memtest_progress_step(size_t curr, size_t size, char c) { size_t chars = ((unsigned long long)curr*progress_full)/size, j; - for (j = 0; j < chars-progress_printed; j++) { - printf("%c",c); - progress_printed++; - } + for (j = 0; j < chars-progress_printed; j++) printf("%c",c); + progress_printed = chars; fflush(stdout); } diff --git a/src/multi.c b/src/multi.c index 064a409..7000c48 100644 --- a/src/multi.c +++ b/src/multi.c @@ -102,14 +102,12 @@ void discardCommand(redisClient *c) { } /* Send a MULTI command to all the slaves and AOF file. Check the execCommand - * implememntation for more information. */ -void execCommandReplicateMulti(redisClient *c) { + * implementation for more information. */ +void execCommandPropagateMulti(redisClient *c) { robj *multistring = createStringObject("MULTI",5); - if (server.aof_state != REDIS_AOF_OFF) - feedAppendOnlyFile(server.multiCommand,c->db->id,&multistring,1); - if (listLength(server.slaves)) - replicationFeedSlaves(server.slaves,c->db->id,&multistring,1); + propagate(server.multiCommand,c->db->id,&multistring,1, + REDIS_PROPAGATE_AOF|REDIS_PROPAGATE_REPL); decrRefCount(multistring); } @@ -118,6 +116,7 @@ void execCommand(redisClient *c) { robj **orig_argv; int orig_argc; struct redisCommand *orig_cmd; + int must_propagate = 0; /* Need to propagate MULTI/EXEC to AOF / slaves? */ if (!(c->flags & REDIS_MULTI)) { addReplyError(c,"EXEC without MULTI"); @@ -133,19 +132,10 @@ void execCommand(redisClient *c) { if (c->flags & (REDIS_DIRTY_CAS|REDIS_DIRTY_EXEC)) { addReply(c, c->flags & REDIS_DIRTY_EXEC ? shared.execaborterr : shared.nullmultibulk); - freeClientMultiState(c); - initClientMultiState(c); - c->flags &= ~(REDIS_MULTI|REDIS_DIRTY_CAS|REDIS_DIRTY_EXEC); - unwatchAllKeys(c); + discardTransaction(c); goto handle_monitor; } - /* Replicate a MULTI request now that we are sure the block is executed. - * This way we'll deliver the MULTI/..../EXEC block as a whole and - * both the AOF and the replication link will have the same consistency - * and atomicity guarantees. */ - execCommandReplicateMulti(c); - /* Exec all the queued commands */ unwatchAllKeys(c); /* Unwatch ASAP otherwise we'll waste CPU cycles */ orig_argv = c->argv; @@ -156,6 +146,16 @@ void execCommand(redisClient *c) { c->argc = c->mstate.commands[j].argc; c->argv = c->mstate.commands[j].argv; c->cmd = c->mstate.commands[j].cmd; + + /* Propagate a MULTI request once we encounter the first write op. + * This way we'll deliver the MULTI/..../EXEC block as a whole and + * both the AOF and the replication link will have the same consistency + * and atomicity guarantees. */ + if (!must_propagate && !(c->cmd->flags & REDIS_CMD_READONLY)) { + execCommandPropagateMulti(c); + must_propagate = 1; + } + call(c,REDIS_CALL_FULL); /* Commands may alter argc/argv, restore mstate. */ @@ -166,13 +166,10 @@ void execCommand(redisClient *c) { c->argv = orig_argv; c->argc = orig_argc; c->cmd = orig_cmd; - freeClientMultiState(c); - initClientMultiState(c); - c->flags &= ~(REDIS_MULTI|REDIS_DIRTY_CAS|REDIS_DIRTY_EXEC); - /* Make sure the EXEC command is always replicated / AOF, since we - * always send the MULTI command (we can't know beforehand if the - * next operations will contain at least a modification to the DB). */ - server.dirty++; + discardTransaction(c); + /* Make sure the EXEC command will be propagated as well if MULTI + * was already propagated. */ + if (must_propagate) server.dirty++; handle_monitor: /* Send EXEC to clients waiting data from MONITOR. We do it here @@ -223,7 +220,7 @@ void watchForKey(redisClient *c, robj *key) { incrRefCount(key); } listAddNodeTail(clients,c); - /* Add the new key to the lits of keys watched by this client */ + /* Add the new key to the list of keys watched by this client */ wk = zmalloc(sizeof(*wk)); wk->key = key; wk->db = c->db; diff --git a/src/networking.c b/src/networking.c index 4365bc8..e5f8e2f 100644 --- a/src/networking.c +++ b/src/networking.c @@ -1,1372 +1,1413 @@ -/* - * Copyright (c) 2009-2012, Salvatore Sanfilippo - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * * Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * * Neither the name of Redis nor the names of its contributors may be used - * to endorse or promote products derived from this software without - * specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -#include "redis.h" -#include - -static void setProtocolError(redisClient *c, int pos); - -/* To evaluate the output buffer size of a client we need to get size of - * allocated objects, however we can't used zmalloc_size() directly on sds - * strings because of the trick they use to work (the header is before the - * returned pointer), so we use this helper function. */ -size_t zmalloc_size_sds(sds s) { - return zmalloc_size(s-sizeof(struct sdshdr)); -} - -void *dupClientReplyValue(void *o) { - incrRefCount((robj*)o); - return o; -} - -int listMatchObjects(void *a, void *b) { - return equalStringObjects(a,b); -} - -redisClient *createClient(int fd) { - redisClient *c = zmalloc(sizeof(redisClient)); - - /* passing -1 as fd it is possible to create a non connected client. - * This is useful since all the Redis commands needs to be executed - * in the context of a client. When commands are executed in other - * contexts (for instance a Lua script) we need a non connected client. */ - if (fd != -1) { - anetNonBlock(NULL,fd); - anetTcpNoDelay(NULL,fd); - if (aeCreateFileEvent(server.el,fd,AE_READABLE, - readQueryFromClient, c) == AE_ERR) - { - close(fd); - zfree(c); - return NULL; - } - } - - selectDb(c,0); - c->fd = fd; - c->bufpos = 0; - c->querybuf = sdsempty(); - c->querybuf_peak = 0; - c->reqtype = 0; - c->argc = 0; - c->argv = NULL; - c->cmd = c->lastcmd = NULL; - c->multibulklen = 0; - c->bulklen = -1; - c->sentlen = 0; - c->flags = 0; - c->ctime = c->lastinteraction = server.unixtime; - c->authenticated = 0; - c->replstate = REDIS_REPL_NONE; - c->slave_listening_port = 0; - c->reply = listCreate(); - c->reply_bytes = 0; - c->obuf_soft_limit_reached_time = 0; - listSetFreeMethod(c->reply,decrRefCount); - listSetDupMethod(c->reply,dupClientReplyValue); - c->bpop.keys = dictCreate(&setDictType,NULL); - c->bpop.timeout = 0; - c->bpop.target = NULL; - c->io_keys = listCreate(); - c->watched_keys = listCreate(); - listSetFreeMethod(c->io_keys,decrRefCount); - c->pubsub_channels = dictCreate(&setDictType,NULL); - c->pubsub_patterns = listCreate(); - listSetFreeMethod(c->pubsub_patterns,decrRefCount); - listSetMatchMethod(c->pubsub_patterns,listMatchObjects); - if (fd != -1) listAddNodeTail(server.clients,c); - initClientMultiState(c); - return c; -} - -/* This function is called every time we are going to transmit new data - * to the client. The behavior is the following: - * - * If the client should receive new data (normal clients will) the function - * returns REDIS_OK, and make sure to install the write handler in our event - * loop so that when the socket is writable new data gets written. - * - * If the client should not receive new data, because it is a fake client - * or a slave, or because the setup of the write handler failed, the function - * returns REDIS_ERR. - * - * Typically gets called every time a reply is built, before adding more - * data to the clients output buffers. If the function returns REDIS_ERR no - * data should be appended to the output buffers. */ -int prepareClientToWrite(redisClient *c) { - if (c->flags & REDIS_LUA_CLIENT) return REDIS_OK; - if (c->fd <= 0) return REDIS_ERR; /* Fake client */ - if (c->bufpos == 0 && listLength(c->reply) == 0 && - (c->replstate == REDIS_REPL_NONE || - c->replstate == REDIS_REPL_ONLINE) && - aeCreateFileEvent(server.el, c->fd, AE_WRITABLE, - sendReplyToClient, c) == AE_ERR) return REDIS_ERR; - return REDIS_OK; -} - -/* Create a duplicate of the last object in the reply list when - * it is not exclusively owned by the reply list. */ -robj *dupLastObjectIfNeeded(list *reply) { - robj *new, *cur; - listNode *ln; - redisAssert(listLength(reply) > 0); - ln = listLast(reply); - cur = listNodeValue(ln); - if (cur->refcount > 1) { - new = dupStringObject(cur); - decrRefCount(cur); - listNodeValue(ln) = new; - } - return listNodeValue(ln); -} - -/* ----------------------------------------------------------------------------- - * Low level functions to add more data to output buffers. - * -------------------------------------------------------------------------- */ - -int _addReplyToBuffer(redisClient *c, char *s, size_t len) { - size_t available = sizeof(c->buf)-c->bufpos; - - if (c->flags & REDIS_CLOSE_AFTER_REPLY) return REDIS_OK; - - /* If there already are entries in the reply list, we cannot - * add anything more to the static buffer. */ - if (listLength(c->reply) > 0) return REDIS_ERR; - - /* Check that the buffer has enough space available for this string. */ - if (len > available) return REDIS_ERR; - - memcpy(c->buf+c->bufpos,s,len); - c->bufpos+=len; - return REDIS_OK; -} - -void _addReplyObjectToList(redisClient *c, robj *o) { - robj *tail; - - if (c->flags & REDIS_CLOSE_AFTER_REPLY) return; - - if (listLength(c->reply) == 0) { - incrRefCount(o); - listAddNodeTail(c->reply,o); - c->reply_bytes += zmalloc_size_sds(o->ptr); - } else { - tail = listNodeValue(listLast(c->reply)); - - /* Append to this object when possible. */ - if (tail->ptr != NULL && - sdslen(tail->ptr)+sdslen(o->ptr) <= REDIS_REPLY_CHUNK_BYTES) - { - c->reply_bytes -= zmalloc_size_sds(tail->ptr); - tail = dupLastObjectIfNeeded(c->reply); - tail->ptr = sdscatlen(tail->ptr,o->ptr,sdslen(o->ptr)); - c->reply_bytes += zmalloc_size_sds(tail->ptr); - } else { - incrRefCount(o); - listAddNodeTail(c->reply,o); - c->reply_bytes += zmalloc_size_sds(o->ptr); - } - } - asyncCloseClientOnOutputBufferLimitReached(c); -} - -/* This method takes responsibility over the sds. When it is no longer - * needed it will be free'd, otherwise it ends up in a robj. */ -void _addReplySdsToList(redisClient *c, sds s) { - robj *tail; - - if (c->flags & REDIS_CLOSE_AFTER_REPLY) { - sdsfree(s); - return; - } - - if (listLength(c->reply) == 0) { - listAddNodeTail(c->reply,createObject(REDIS_STRING,s)); - c->reply_bytes += zmalloc_size_sds(s); - } else { - tail = listNodeValue(listLast(c->reply)); - - /* Append to this object when possible. */ - if (tail->ptr != NULL && - sdslen(tail->ptr)+sdslen(s) <= REDIS_REPLY_CHUNK_BYTES) - { - c->reply_bytes -= zmalloc_size_sds(tail->ptr); - tail = dupLastObjectIfNeeded(c->reply); - tail->ptr = sdscatlen(tail->ptr,s,sdslen(s)); - c->reply_bytes += zmalloc_size_sds(tail->ptr); - sdsfree(s); - } else { - listAddNodeTail(c->reply,createObject(REDIS_STRING,s)); - c->reply_bytes += zmalloc_size_sds(s); - } - } - asyncCloseClientOnOutputBufferLimitReached(c); -} - -void _addReplyStringToList(redisClient *c, char *s, size_t len) { - robj *tail; - - if (c->flags & REDIS_CLOSE_AFTER_REPLY) return; - - if (listLength(c->reply) == 0) { - robj *o = createStringObject(s,len); - - listAddNodeTail(c->reply,o); - c->reply_bytes += zmalloc_size_sds(o->ptr); - } else { - tail = listNodeValue(listLast(c->reply)); - - /* Append to this object when possible. */ - if (tail->ptr != NULL && - sdslen(tail->ptr)+len <= REDIS_REPLY_CHUNK_BYTES) - { - c->reply_bytes -= zmalloc_size_sds(tail->ptr); - tail = dupLastObjectIfNeeded(c->reply); - tail->ptr = sdscatlen(tail->ptr,s,len); - c->reply_bytes += zmalloc_size_sds(tail->ptr); - } else { - robj *o = createStringObject(s,len); - - listAddNodeTail(c->reply,o); - c->reply_bytes += zmalloc_size_sds(o->ptr); - } - } - asyncCloseClientOnOutputBufferLimitReached(c); -} - -/* ----------------------------------------------------------------------------- - * Higher level functions to queue data on the client output buffer. - * The following functions are the ones that commands implementations will call. - * -------------------------------------------------------------------------- */ - -void addReply(redisClient *c, robj *obj) { - if (prepareClientToWrite(c) != REDIS_OK) return; - - /* This is an important place where we can avoid copy-on-write - * when there is a saving child running, avoiding touching the - * refcount field of the object if it's not needed. - * - * If the encoding is RAW and there is room in the static buffer - * we'll be able to send the object to the client without - * messing with its page. */ - if (obj->encoding == REDIS_ENCODING_RAW) { - if (_addReplyToBuffer(c,obj->ptr,sdslen(obj->ptr)) != REDIS_OK) - _addReplyObjectToList(c,obj); - } else if (obj->encoding == REDIS_ENCODING_INT) { - /* Optimization: if there is room in the static buffer for 32 bytes - * (more than the max chars a 64 bit integer can take as string) we - * avoid decoding the object and go for the lower level approach. */ - if (listLength(c->reply) == 0 && (sizeof(c->buf) - c->bufpos) >= 32) { - char buf[32]; - int len; - - len = ll2string(buf,sizeof(buf),(long)obj->ptr); - if (_addReplyToBuffer(c,buf,len) == REDIS_OK) - return; - /* else... continue with the normal code path, but should never - * happen actually since we verified there is room. */ - } - obj = getDecodedObject(obj); - if (_addReplyToBuffer(c,obj->ptr,sdslen(obj->ptr)) != REDIS_OK) - _addReplyObjectToList(c,obj); - decrRefCount(obj); - } else { - redisPanic("Wrong obj->encoding in addReply()"); - } -} - -void addReplySds(redisClient *c, sds s) { - if (prepareClientToWrite(c) != REDIS_OK) { - /* The caller expects the sds to be free'd. */ - sdsfree(s); - return; - } - if (_addReplyToBuffer(c,s,sdslen(s)) == REDIS_OK) { - sdsfree(s); - } else { - /* This method free's the sds when it is no longer needed. */ - _addReplySdsToList(c,s); - } -} - -void addReplyString(redisClient *c, char *s, size_t len) { - if (prepareClientToWrite(c) != REDIS_OK) return; - if (_addReplyToBuffer(c,s,len) != REDIS_OK) - _addReplyStringToList(c,s,len); -} - -void addReplyErrorLength(redisClient *c, char *s, size_t len) { - addReplyString(c,"-ERR ",5); - addReplyString(c,s,len); - addReplyString(c,"\r\n",2); -} - -void addReplyError(redisClient *c, char *err) { - addReplyErrorLength(c,err,strlen(err)); -} - -void addReplyErrorFormat(redisClient *c, const char *fmt, ...) { - size_t l, j; - va_list ap; - va_start(ap,fmt); - sds s = sdscatvprintf(sdsempty(),fmt,ap); - va_end(ap); - /* Make sure there are no newlines in the string, otherwise invalid protocol - * is emitted. */ - l = sdslen(s); - for (j = 0; j < l; j++) { - if (s[j] == '\r' || s[j] == '\n') s[j] = ' '; - } - addReplyErrorLength(c,s,sdslen(s)); - sdsfree(s); -} - -void addReplyStatusLength(redisClient *c, char *s, size_t len) { - addReplyString(c,"+",1); - addReplyString(c,s,len); - addReplyString(c,"\r\n",2); -} - -void addReplyStatus(redisClient *c, char *status) { - addReplyStatusLength(c,status,strlen(status)); -} - -void addReplyStatusFormat(redisClient *c, const char *fmt, ...) { - va_list ap; - va_start(ap,fmt); - sds s = sdscatvprintf(sdsempty(),fmt,ap); - va_end(ap); - addReplyStatusLength(c,s,sdslen(s)); - sdsfree(s); -} - -/* Adds an empty object to the reply list that will contain the multi bulk - * length, which is not known when this function is called. */ -void *addDeferredMultiBulkLength(redisClient *c) { - /* Note that we install the write event here even if the object is not - * ready to be sent, since we are sure that before returning to the - * event loop setDeferredMultiBulkLength() will be called. */ - if (prepareClientToWrite(c) != REDIS_OK) return NULL; - listAddNodeTail(c->reply,createObject(REDIS_STRING,NULL)); - return listLast(c->reply); -} - -/* Populate the length object and try glueing it to the next chunk. */ -void setDeferredMultiBulkLength(redisClient *c, void *node, long length) { - listNode *ln = (listNode*)node; - robj *len, *next; - - /* Abort when *node is NULL (see addDeferredMultiBulkLength). */ - if (node == NULL) return; - - len = listNodeValue(ln); - len->ptr = sdscatprintf(sdsempty(),"*%ld\r\n",length); - c->reply_bytes += zmalloc_size_sds(len->ptr); - if (ln->next != NULL) { - next = listNodeValue(ln->next); - - /* Only glue when the next node is non-NULL (an sds in this case) */ - if (next->ptr != NULL) { - c->reply_bytes -= zmalloc_size_sds(len->ptr); - c->reply_bytes -= zmalloc_size_sds(next->ptr); - len->ptr = sdscatlen(len->ptr,next->ptr,sdslen(next->ptr)); - c->reply_bytes += zmalloc_size_sds(len->ptr); - listDelNode(c->reply,ln->next); - } - } - asyncCloseClientOnOutputBufferLimitReached(c); -} - -/* Add a duble as a bulk reply */ -void addReplyDouble(redisClient *c, double d) { - char dbuf[128], sbuf[128]; - int dlen, slen; - dlen = snprintf(dbuf,sizeof(dbuf),"%.17g",d); - slen = snprintf(sbuf,sizeof(sbuf),"$%d\r\n%s\r\n",dlen,dbuf); - addReplyString(c,sbuf,slen); -} - -/* Add a long long as integer reply or bulk len / multi bulk count. - * Basically this is used to output . */ -void addReplyLongLongWithPrefix(redisClient *c, long long ll, char prefix) { - char buf[128]; - int len; - - /* Things like $3\r\n or *2\r\n are emitted very often by the protocol - * so we have a few shared objects to use if the integer is small - * like it is most of the times. */ - if (prefix == '*' && ll < REDIS_SHARED_BULKHDR_LEN) { - addReply(c,shared.mbulkhdr[ll]); - return; - } else if (prefix == '$' && ll < REDIS_SHARED_BULKHDR_LEN) { - addReply(c,shared.bulkhdr[ll]); - return; - } - - buf[0] = prefix; - len = ll2string(buf+1,sizeof(buf)-1,ll); - buf[len+1] = '\r'; - buf[len+2] = '\n'; - addReplyString(c,buf,len+3); -} - -void addReplyLongLong(redisClient *c, long long ll) { - if (ll == 0) - addReply(c,shared.czero); - else if (ll == 1) - addReply(c,shared.cone); - else - addReplyLongLongWithPrefix(c,ll,':'); -} - -void addReplyMultiBulkLen(redisClient *c, long length) { - addReplyLongLongWithPrefix(c,length,'*'); -} - -/* Create the length prefix of a bulk reply, example: $2234 */ -void addReplyBulkLen(redisClient *c, robj *obj) { - size_t len; - - if (obj->encoding == REDIS_ENCODING_RAW) { - len = sdslen(obj->ptr); - } else { - long n = (long)obj->ptr; - - /* Compute how many bytes will take this integer as a radix 10 string */ - len = 1; - if (n < 0) { - len++; - n = -n; - } - while((n = n/10) != 0) { - len++; - } - } - addReplyLongLongWithPrefix(c,len,'$'); -} - -/* Add a Redis Object as a bulk reply */ -void addReplyBulk(redisClient *c, robj *obj) { - addReplyBulkLen(c,obj); - addReply(c,obj); - addReply(c,shared.crlf); -} - -/* Add a C buffer as bulk reply */ -void addReplyBulkCBuffer(redisClient *c, void *p, size_t len) { - addReplyLongLongWithPrefix(c,len,'$'); - addReplyString(c,p,len); - addReply(c,shared.crlf); -} - -/* Add a C nul term string as bulk reply */ -void addReplyBulkCString(redisClient *c, char *s) { - if (s == NULL) { - addReply(c,shared.nullbulk); - } else { - addReplyBulkCBuffer(c,s,strlen(s)); - } -} - -/* Add a long long as a bulk reply */ -void addReplyBulkLongLong(redisClient *c, long long ll) { - char buf[64]; - int len; - - len = ll2string(buf,64,ll); - addReplyBulkCBuffer(c,buf,len); -} - -/* Copy 'src' client output buffers into 'dst' client output buffers. - * The function takes care of freeing the old output buffers of the - * destination client. */ -void copyClientOutputBuffer(redisClient *dst, redisClient *src) { - listRelease(dst->reply); - dst->reply = listDup(src->reply); - memcpy(dst->buf,src->buf,src->bufpos); - dst->bufpos = src->bufpos; - dst->reply_bytes = src->reply_bytes; -} - -static void acceptCommonHandler(int fd, int flags) { - redisClient *c; - if ((c = createClient(fd)) == NULL) { - redisLog(REDIS_WARNING,"Error allocating resources for the client"); - close(fd); /* May be already closed, just ignore errors */ - return; - } - /* If maxclient directive is set and this is one client more... close the - * connection. Note that we create the client instead to check before - * for this condition, since now the socket is already set in nonblocking - * mode and we can send an error for free using the Kernel I/O */ - if (listLength(server.clients) > server.maxclients) { - char *err = "-ERR max number of clients reached\r\n"; - - /* That's a best effort error message, don't check write errors */ - if (write(c->fd,err,strlen(err)) == -1) { - /* Nothing to do, Just to avoid the warning... */ - } - server.stat_rejected_conn++; - freeClient(c); - return; - } - server.stat_numconnections++; - c->flags |= flags; -} - -void acceptTcpHandler(aeEventLoop *el, int fd, void *privdata, int mask) { - int cport, cfd; - char cip[128]; - REDIS_NOTUSED(el); - REDIS_NOTUSED(mask); - REDIS_NOTUSED(privdata); - - cfd = anetTcpAccept(server.neterr, fd, cip, &cport); - if (cfd == AE_ERR) { - redisLog(REDIS_WARNING,"Accepting client connection: %s", server.neterr); - return; - } - redisLog(REDIS_VERBOSE,"Accepted %s:%d", cip, cport); - acceptCommonHandler(cfd,0); -} - -void acceptUnixHandler(aeEventLoop *el, int fd, void *privdata, int mask) { - int cfd; - REDIS_NOTUSED(el); - REDIS_NOTUSED(mask); - REDIS_NOTUSED(privdata); - - cfd = anetUnixAccept(server.neterr, fd); - if (cfd == AE_ERR) { - redisLog(REDIS_WARNING,"Accepting client connection: %s", server.neterr); - return; - } - redisLog(REDIS_VERBOSE,"Accepted connection to %s", server.unixsocket); - acceptCommonHandler(cfd,REDIS_UNIX_SOCKET); -} - - -static void freeClientArgv(redisClient *c) { - int j; - for (j = 0; j < c->argc; j++) - decrRefCount(c->argv[j]); - c->argc = 0; - c->cmd = NULL; -} - -/* Close all the slaves connections. This is useful in chained replication - * when we resync with our own master and want to force all our slaves to - * resync with us as well. */ -void disconnectSlaves(void) { - while (listLength(server.slaves)) { - listNode *ln = listFirst(server.slaves); - freeClient((redisClient*)ln->value); - } -} - -void freeClient(redisClient *c) { - listNode *ln; - - /* If this is marked as current client unset it */ - if (server.current_client == c) server.current_client = NULL; - - /* Note that if the client we are freeing is blocked into a blocking - * call, we have to set querybuf to NULL *before* to call - * unblockClientWaitingData() to avoid processInputBuffer() will get - * called. Also it is important to remove the file events after - * this, because this call adds the READABLE event. */ - sdsfree(c->querybuf); - c->querybuf = NULL; - if (c->flags & REDIS_BLOCKED) - unblockClientWaitingData(c); - dictRelease(c->bpop.keys); - - /* UNWATCH all the keys */ - unwatchAllKeys(c); - listRelease(c->watched_keys); - /* Unsubscribe from all the pubsub channels */ - pubsubUnsubscribeAllChannels(c,0); - pubsubUnsubscribeAllPatterns(c,0); - dictRelease(c->pubsub_channels); - listRelease(c->pubsub_patterns); - /* Obvious cleanup */ - aeDeleteFileEvent(server.el,c->fd,AE_READABLE); - aeDeleteFileEvent(server.el,c->fd,AE_WRITABLE); - listRelease(c->reply); - freeClientArgv(c); - close(c->fd); - /* Remove from the list of clients */ - ln = listSearchKey(server.clients,c); - redisAssert(ln != NULL); - listDelNode(server.clients,ln); - /* When client was just unblocked because of a blocking operation, - * remove it from the list with unblocked clients. */ - if (c->flags & REDIS_UNBLOCKED) { - ln = listSearchKey(server.unblocked_clients,c); - redisAssert(ln != NULL); - listDelNode(server.unblocked_clients,ln); - } - listRelease(c->io_keys); - /* Master/slave cleanup. - * Case 1: we lost the connection with a slave. */ - if (c->flags & REDIS_SLAVE) { - if (c->replstate == REDIS_REPL_SEND_BULK && c->repldbfd != -1) - close(c->repldbfd); - list *l = (c->flags & REDIS_MONITOR) ? server.monitors : server.slaves; - ln = listSearchKey(l,c); - redisAssert(ln != NULL); - listDelNode(l,ln); - } - - /* Case 2: we lost the connection with the master. */ - if (c->flags & REDIS_MASTER) { - server.master = NULL; - server.repl_state = REDIS_REPL_CONNECT; - server.repl_down_since = server.unixtime; - /* We lost connection with our master, force our slaves to resync - * with us as well to load the new data set. - * - * If server.masterhost is NULL the user called SLAVEOF NO ONE so - * slave resync is not needed. */ - if (server.masterhost != NULL) disconnectSlaves(); - } - - /* If this client was scheduled for async freeing we need to remove it - * from the queue. */ - if (c->flags & REDIS_CLOSE_ASAP) { - ln = listSearchKey(server.clients_to_close,c); - redisAssert(ln != NULL); - listDelNode(server.clients_to_close,ln); - } - - /* Release memory */ - zfree(c->argv); - freeClientMultiState(c); - zfree(c); -} - -/* Schedule a client to free it at a safe time in the serverCron() function. - * This function is useful when we need to terminate a client but we are in - * a context where calling freeClient() is not possible, because the client - * should be valid for the continuation of the flow of the program. */ -void freeClientAsync(redisClient *c) { - if (c->flags & REDIS_CLOSE_ASAP) return; - c->flags |= REDIS_CLOSE_ASAP; - listAddNodeTail(server.clients_to_close,c); -} - -void freeClientsInAsyncFreeQueue(void) { - while (listLength(server.clients_to_close)) { - listNode *ln = listFirst(server.clients_to_close); - redisClient *c = listNodeValue(ln); - - c->flags &= ~REDIS_CLOSE_ASAP; - freeClient(c); - listDelNode(server.clients_to_close,ln); - } -} - -void sendReplyToClient(aeEventLoop *el, int fd, void *privdata, int mask) { - redisClient *c = privdata; - int nwritten = 0, totwritten = 0, objlen; - size_t objmem; - robj *o; - REDIS_NOTUSED(el); - REDIS_NOTUSED(mask); - - while(c->bufpos > 0 || listLength(c->reply)) { - if (c->bufpos > 0) { - if (c->flags & REDIS_MASTER) { - /* Don't reply to a master */ - nwritten = c->bufpos - c->sentlen; - } else { - nwritten = write(fd,c->buf+c->sentlen,c->bufpos-c->sentlen); - if (nwritten <= 0) break; - } - c->sentlen += nwritten; - totwritten += nwritten; - - /* If the buffer was sent, set bufpos to zero to continue with - * the remainder of the reply. */ - if (c->sentlen == c->bufpos) { - c->bufpos = 0; - c->sentlen = 0; - } - } else { - o = listNodeValue(listFirst(c->reply)); - objlen = sdslen(o->ptr); - objmem = zmalloc_size_sds(o->ptr); - - if (objlen == 0) { - listDelNode(c->reply,listFirst(c->reply)); - continue; - } - - if (c->flags & REDIS_MASTER) { - /* Don't reply to a master */ - nwritten = objlen - c->sentlen; - } else { - nwritten = write(fd, ((char*)o->ptr)+c->sentlen,objlen-c->sentlen); - if (nwritten <= 0) break; - } - c->sentlen += nwritten; - totwritten += nwritten; - - /* If we fully sent the object on head go to the next one */ - if (c->sentlen == objlen) { - listDelNode(c->reply,listFirst(c->reply)); - c->sentlen = 0; - c->reply_bytes -= objmem; - } - } - /* Note that we avoid to send more than REDIS_MAX_WRITE_PER_EVENT - * bytes, in a single threaded server it's a good idea to serve - * other clients as well, even if a very large request comes from - * super fast link that is always able to accept data (in real world - * scenario think about 'KEYS *' against the loopback interface). - * - * However if we are over the maxmemory limit we ignore that and - * just deliver as much data as it is possible to deliver. */ - if (totwritten > REDIS_MAX_WRITE_PER_EVENT && - (server.maxmemory == 0 || - zmalloc_used_memory() < server.maxmemory)) break; - } - if (nwritten == -1) { - if (errno == EAGAIN) { - nwritten = 0; - } else { - redisLog(REDIS_VERBOSE, - "Error writing to client: %s", strerror(errno)); - freeClient(c); - return; - } - } - if (totwritten > 0) c->lastinteraction = server.unixtime; - if (c->bufpos == 0 && listLength(c->reply) == 0) { - c->sentlen = 0; - aeDeleteFileEvent(server.el,c->fd,AE_WRITABLE); - - /* Close connection after entire reply has been sent. */ - if (c->flags & REDIS_CLOSE_AFTER_REPLY) freeClient(c); - } -} - -/* resetClient prepare the client to process the next command */ -void resetClient(redisClient *c) { - freeClientArgv(c); - c->reqtype = 0; - c->multibulklen = 0; - c->bulklen = -1; - /* We clear the ASKING flag as well if we are not inside a MULTI. */ - if (!(c->flags & REDIS_MULTI)) c->flags &= (~REDIS_ASKING); -} - -int processInlineBuffer(redisClient *c) { - char *newline = strstr(c->querybuf,"\r\n"); - int argc, j; - sds *argv; - size_t querylen; - - /* Nothing to do without a \r\n */ - if (newline == NULL) { - if (sdslen(c->querybuf) > REDIS_INLINE_MAX_SIZE) { - addReplyError(c,"Protocol error: too big inline request"); - setProtocolError(c,0); - } - return REDIS_ERR; - } - - /* Split the input buffer up to the \r\n */ - querylen = newline-(c->querybuf); - argv = sdssplitlen(c->querybuf,querylen," ",1,&argc); - - /* Leave data after the first line of the query in the buffer */ - c->querybuf = sdsrange(c->querybuf,querylen+2,-1); - - /* Setup argv array on client structure */ - if (c->argv) zfree(c->argv); - c->argv = zmalloc(sizeof(robj*)*argc); - - /* Create redis objects for all arguments. */ - for (c->argc = 0, j = 0; j < argc; j++) { - if (sdslen(argv[j])) { - c->argv[c->argc] = createObject(REDIS_STRING,argv[j]); - c->argc++; - } else { - sdsfree(argv[j]); - } - } - zfree(argv); - return REDIS_OK; -} - -/* Helper function. Trims query buffer to make the function that processes - * multi bulk requests idempotent. */ -static void setProtocolError(redisClient *c, int pos) { - if (server.verbosity >= REDIS_VERBOSE) { - sds client = getClientInfoString(c); - redisLog(REDIS_VERBOSE, - "Protocol error from client: %s", client); - sdsfree(client); - } - c->flags |= REDIS_CLOSE_AFTER_REPLY; - c->querybuf = sdsrange(c->querybuf,pos,-1); -} - -int processMultibulkBuffer(redisClient *c) { - char *newline = NULL; - int pos = 0, ok; - long long ll; - - if (c->multibulklen == 0) { - /* The client should have been reset */ - redisAssertWithInfo(c,NULL,c->argc == 0); - - /* Multi bulk length cannot be read without a \r\n */ - newline = strchr(c->querybuf,'\r'); - if (newline == NULL) { - if (sdslen(c->querybuf) > REDIS_INLINE_MAX_SIZE) { - addReplyError(c,"Protocol error: too big mbulk count string"); - setProtocolError(c,0); - } - return REDIS_ERR; - } - - /* Buffer should also contain \n */ - if (newline-(c->querybuf) > ((signed)sdslen(c->querybuf)-2)) - return REDIS_ERR; - - /* We know for sure there is a whole line since newline != NULL, - * so go ahead and find out the multi bulk length. */ - redisAssertWithInfo(c,NULL,c->querybuf[0] == '*'); - ok = string2ll(c->querybuf+1,newline-(c->querybuf+1),&ll); - if (!ok || ll > 1024*1024) { - addReplyError(c,"Protocol error: invalid multibulk length"); - setProtocolError(c,pos); - return REDIS_ERR; - } - - pos = (newline-c->querybuf)+2; - if (ll <= 0) { - c->querybuf = sdsrange(c->querybuf,pos,-1); - return REDIS_OK; - } - - c->multibulklen = ll; - - /* Setup argv array on client structure */ - if (c->argv) zfree(c->argv); - c->argv = zmalloc(sizeof(robj*)*c->multibulklen); - } - - redisAssertWithInfo(c,NULL,c->multibulklen > 0); - while(c->multibulklen) { - /* Read bulk length if unknown */ - if (c->bulklen == -1) { - newline = strchr(c->querybuf+pos,'\r'); - if (newline == NULL) { - if (sdslen(c->querybuf) > REDIS_INLINE_MAX_SIZE) { - addReplyError(c,"Protocol error: too big bulk count string"); - setProtocolError(c,0); - } - break; - } - - /* Buffer should also contain \n */ - if (newline-(c->querybuf) > ((signed)sdslen(c->querybuf)-2)) - break; - - if (c->querybuf[pos] != '$') { - addReplyErrorFormat(c, - "Protocol error: expected '$', got '%c'", - c->querybuf[pos]); - setProtocolError(c,pos); - return REDIS_ERR; - } - - ok = string2ll(c->querybuf+pos+1,newline-(c->querybuf+pos+1),&ll); - if (!ok || ll < 0 || ll > 512*1024*1024) { - addReplyError(c,"Protocol error: invalid bulk length"); - setProtocolError(c,pos); - return REDIS_ERR; - } - - pos += newline-(c->querybuf+pos)+2; - if (ll >= REDIS_MBULK_BIG_ARG) { - /* If we are going to read a large object from network - * try to make it likely that it will start at c->querybuf - * boundary so that we can optimized object creation - * avoiding a large copy of data. */ - c->querybuf = sdsrange(c->querybuf,pos,-1); - pos = 0; - /* Hint the sds library about the amount of bytes this string is - * going to contain. */ - c->querybuf = sdsMakeRoomFor(c->querybuf,ll+2); - } - c->bulklen = ll; - } - - /* Read bulk argument */ - if (sdslen(c->querybuf)-pos < (unsigned)(c->bulklen+2)) { - /* Not enough data (+2 == trailing \r\n) */ - break; - } else { - /* Optimization: if the buffer contanins JUST our bulk element - * instead of creating a new object by *copying* the sds we - * just use the current sds string. */ - if (pos == 0 && - c->bulklen >= REDIS_MBULK_BIG_ARG && - (signed) sdslen(c->querybuf) == c->bulklen+2) - { - c->argv[c->argc++] = createObject(REDIS_STRING,c->querybuf); - sdsIncrLen(c->querybuf,-2); /* remove CRLF */ - c->querybuf = sdsempty(); - /* Assume that if we saw a fat argument we'll see another one - * likely... */ - c->querybuf = sdsMakeRoomFor(c->querybuf,c->bulklen+2); - pos = 0; - } else { - c->argv[c->argc++] = - createStringObject(c->querybuf+pos,c->bulklen); - pos += c->bulklen+2; - } - c->bulklen = -1; - c->multibulklen--; - } - } - - /* Trim to pos */ - if (pos) c->querybuf = sdsrange(c->querybuf,pos,-1); - - /* We're done when c->multibulk == 0 */ - if (c->multibulklen == 0) return REDIS_OK; - - /* Still not read to process the command */ - return REDIS_ERR; -} - -void processInputBuffer(redisClient *c) { - /* Keep processing while there is something in the input buffer */ - while(sdslen(c->querybuf)) { - /* Immediately abort if the client is in the middle of something. */ - if (c->flags & REDIS_BLOCKED) return; - - /* REDIS_CLOSE_AFTER_REPLY closes the connection once the reply is - * written to the client. Make sure to not let the reply grow after - * this flag has been set (i.e. don't process more commands). */ - if (c->flags & REDIS_CLOSE_AFTER_REPLY) return; - - /* Determine request type when unknown. */ - if (!c->reqtype) { - if (c->querybuf[0] == '*') { - c->reqtype = REDIS_REQ_MULTIBULK; - } else { - c->reqtype = REDIS_REQ_INLINE; - } - } - - if (c->reqtype == REDIS_REQ_INLINE) { - if (processInlineBuffer(c) != REDIS_OK) break; - } else if (c->reqtype == REDIS_REQ_MULTIBULK) { - if (processMultibulkBuffer(c) != REDIS_OK) break; - } else { - redisPanic("Unknown request type"); - } - - /* Multibulk processing could see a <= 0 length. */ - if (c->argc == 0) { - resetClient(c); - } else { - /* Only reset the client when the command was executed. */ - if (processCommand(c) == REDIS_OK) - resetClient(c); - } - } -} - -void readQueryFromClient(aeEventLoop *el, int fd, void *privdata, int mask) { - redisClient *c = (redisClient*) privdata; - int nread, readlen; - size_t qblen; - REDIS_NOTUSED(el); - REDIS_NOTUSED(mask); - - server.current_client = c; - readlen = REDIS_IOBUF_LEN; - /* If this is a multi bulk request, and we are processing a bulk reply - * that is large enough, try to maximize the probability that the query - * buffer contains exactly the SDS string representing the object, even - * at the risk of requiring more read(2) calls. This way the function - * processMultiBulkBuffer() can avoid copying buffers to create the - * Redis Object representing the argument. */ - if (c->reqtype == REDIS_REQ_MULTIBULK && c->multibulklen && c->bulklen != -1 - && c->bulklen >= REDIS_MBULK_BIG_ARG) - { - int remaining = (unsigned)(c->bulklen+2)-sdslen(c->querybuf); - - if (remaining < readlen) readlen = remaining; - } - - qblen = sdslen(c->querybuf); - if (c->querybuf_peak < qblen) c->querybuf_peak = qblen; - c->querybuf = sdsMakeRoomFor(c->querybuf, readlen); - nread = read(fd, c->querybuf+qblen, readlen); - if (nread == -1) { - if (errno == EAGAIN) { - nread = 0; - } else { - redisLog(REDIS_VERBOSE, "Reading from client: %s",strerror(errno)); - freeClient(c); - return; - } - } else if (nread == 0) { - redisLog(REDIS_VERBOSE, "Client closed connection"); - freeClient(c); - return; - } - if (nread) { - sdsIncrLen(c->querybuf,nread); - c->lastinteraction = server.unixtime; - } else { - server.current_client = NULL; - return; - } - if (sdslen(c->querybuf) > server.client_max_querybuf_len) { - sds ci = getClientInfoString(c), bytes = sdsempty(); - - bytes = sdscatrepr(bytes,c->querybuf,64); - redisLog(REDIS_WARNING,"Closing client that reached max query buffer length: %s (qbuf initial bytes: %s)", ci, bytes); - sdsfree(ci); - sdsfree(bytes); - freeClient(c); - return; - } - processInputBuffer(c); - server.current_client = NULL; -} - -void getClientsMaxBuffers(unsigned long *longest_output_list, - unsigned long *biggest_input_buffer) { - redisClient *c; - listNode *ln; - listIter li; - unsigned long lol = 0, bib = 0; - - listRewind(server.clients,&li); - while ((ln = listNext(&li)) != NULL) { - c = listNodeValue(ln); - - if (listLength(c->reply) > lol) lol = listLength(c->reply); - if (sdslen(c->querybuf) > bib) bib = sdslen(c->querybuf); - } - *longest_output_list = lol; - *biggest_input_buffer = bib; -} - -/* Turn a Redis client into an sds string representing its state. */ -sds getClientInfoString(redisClient *client) { - char ip[32], flags[16], events[3], *p; - int port = 0; /* initialized to zero for the unix socket case. */ - int emask; - - if (!(client->flags & REDIS_UNIX_SOCKET)) - anetPeerToString(client->fd,ip,&port); - p = flags; - if (client->flags & REDIS_SLAVE) { - if (client->flags & REDIS_MONITOR) - *p++ = 'O'; - else - *p++ = 'S'; - } - if (client->flags & REDIS_MASTER) *p++ = 'M'; - if (client->flags & REDIS_MULTI) *p++ = 'x'; - if (client->flags & REDIS_BLOCKED) *p++ = 'b'; - if (client->flags & REDIS_DIRTY_CAS) *p++ = 'd'; - if (client->flags & REDIS_CLOSE_AFTER_REPLY) *p++ = 'c'; - if (client->flags & REDIS_UNBLOCKED) *p++ = 'u'; - if (client->flags & REDIS_CLOSE_ASAP) *p++ = 'A'; - if (client->flags & REDIS_UNIX_SOCKET) *p++ = 'U'; - if (p == flags) *p++ = 'N'; - *p++ = '\0'; - - emask = client->fd == -1 ? 0 : aeGetFileEvents(server.el,client->fd); - p = events; - if (emask & AE_READABLE) *p++ = 'r'; - if (emask & AE_WRITABLE) *p++ = 'w'; - *p = '\0'; - return sdscatprintf(sdsempty(), - "addr=%s:%d fd=%d age=%ld idle=%ld flags=%s db=%d sub=%d psub=%d multi=%d qbuf=%lu qbuf-free=%lu obl=%lu oll=%lu omem=%lu events=%s cmd=%s", - (client->flags & REDIS_UNIX_SOCKET) ? server.unixsocket : ip, - port,client->fd, - (long)(server.unixtime - client->ctime), - (long)(server.unixtime - client->lastinteraction), - flags, - client->db->id, - (int) dictSize(client->pubsub_channels), - (int) listLength(client->pubsub_patterns), - (client->flags & REDIS_MULTI) ? client->mstate.count : -1, - (unsigned long) sdslen(client->querybuf), - (unsigned long) sdsavail(client->querybuf), - (unsigned long) client->bufpos, - (unsigned long) listLength(client->reply), - getClientOutputBufferMemoryUsage(client), - events, - client->lastcmd ? client->lastcmd->name : "NULL"); -} - -sds getAllClientsInfoString(void) { - listNode *ln; - listIter li; - redisClient *client; - sds o = sdsempty(); - - listRewind(server.clients,&li); - while ((ln = listNext(&li)) != NULL) { - sds cs; - - client = listNodeValue(ln); - cs = getClientInfoString(client); - o = sdscatsds(o,cs); - sdsfree(cs); - o = sdscatlen(o,"\n",1); - } - return o; -} - -void clientCommand(redisClient *c) { - listNode *ln; - listIter li; - redisClient *client; - - if (!strcasecmp(c->argv[1]->ptr,"list") && c->argc == 2) { - sds o = getAllClientsInfoString(); - addReplyBulkCBuffer(c,o,sdslen(o)); - sdsfree(o); - } else if (!strcasecmp(c->argv[1]->ptr,"kill") && c->argc == 3) { - listRewind(server.clients,&li); - while ((ln = listNext(&li)) != NULL) { - char ip[32], addr[64]; - int port; - - client = listNodeValue(ln); - if (anetPeerToString(client->fd,ip,&port) == -1) continue; - snprintf(addr,sizeof(addr),"%s:%d",ip,port); - if (strcmp(addr,c->argv[2]->ptr) == 0) { - addReply(c,shared.ok); - if (c == client) { - client->flags |= REDIS_CLOSE_AFTER_REPLY; - } else { - freeClient(client); - } - return; - } - } - addReplyError(c,"No such client"); - } else { - addReplyError(c, "Syntax error, try CLIENT (LIST | KILL ip:port)"); - } -} - -/* Rewrite the command vector of the client. All the new objects ref count - * is incremented. The old command vector is freed, and the old objects - * ref count is decremented. */ -void rewriteClientCommandVector(redisClient *c, int argc, ...) { - va_list ap; - int j; - robj **argv; /* The new argument vector */ - - argv = zmalloc(sizeof(robj*)*argc); - va_start(ap,argc); - for (j = 0; j < argc; j++) { - robj *a; - - a = va_arg(ap, robj*); - argv[j] = a; - incrRefCount(a); - } - /* We free the objects in the original vector at the end, so we are - * sure that if the same objects are reused in the new vector the - * refcount gets incremented before it gets decremented. */ - for (j = 0; j < c->argc; j++) decrRefCount(c->argv[j]); - zfree(c->argv); - /* Replace argv and argc with our new versions. */ - c->argv = argv; - c->argc = argc; - c->cmd = lookupCommand(c->argv[0]->ptr); - redisAssertWithInfo(c,NULL,c->cmd != NULL); - va_end(ap); -} - -/* Rewrite a single item in the command vector. - * The new val ref count is incremented, and the old decremented. */ -void rewriteClientCommandArgument(redisClient *c, int i, robj *newval) { - robj *oldval; - - redisAssertWithInfo(c,NULL,i < c->argc); - oldval = c->argv[i]; - c->argv[i] = newval; - incrRefCount(newval); - decrRefCount(oldval); - - /* If this is the command name make sure to fix c->cmd. */ - if (i == 0) { - c->cmd = lookupCommand(c->argv[0]->ptr); - redisAssertWithInfo(c,NULL,c->cmd != NULL); - } -} - -/* This function returns the number of bytes that Redis is virtually - * using to store the reply still not read by the client. - * It is "virtual" since the reply output list may contain objects that - * are shared and are not really using additional memory. - * - * The function returns the total sum of the length of all the objects - * stored in the output list, plus the memory used to allocate every - * list node. The static reply buffer is not taken into account since it - * is allocated anyway. - * - * Note: this function is very fast so can be called as many time as - * the caller wishes. The main usage of this function currently is - * enforcing the client output length limits. */ -unsigned long getClientOutputBufferMemoryUsage(redisClient *c) { - unsigned long list_item_size = sizeof(listNode)+sizeof(robj); - - return c->reply_bytes + (list_item_size*listLength(c->reply)); -} - -/* Get the class of a client, used in order to enforce limits to different - * classes of clients. - * - * The function will return one of the following: - * REDIS_CLIENT_LIMIT_CLASS_NORMAL -> Normal client - * REDIS_CLIENT_LIMIT_CLASS_SLAVE -> Slave or client executing MONITOR command - * REDIS_CLIENT_LIMIT_CLASS_PUBSUB -> Client subscribed to Pub/Sub channels - */ -int getClientLimitClass(redisClient *c) { - if (c->flags & REDIS_SLAVE) return REDIS_CLIENT_LIMIT_CLASS_SLAVE; - if (dictSize(c->pubsub_channels) || listLength(c->pubsub_patterns)) - return REDIS_CLIENT_LIMIT_CLASS_PUBSUB; - return REDIS_CLIENT_LIMIT_CLASS_NORMAL; -} - -int getClientLimitClassByName(char *name) { - if (!strcasecmp(name,"normal")) return REDIS_CLIENT_LIMIT_CLASS_NORMAL; - else if (!strcasecmp(name,"slave")) return REDIS_CLIENT_LIMIT_CLASS_SLAVE; - else if (!strcasecmp(name,"pubsub")) return REDIS_CLIENT_LIMIT_CLASS_PUBSUB; - else return -1; -} - -char *getClientLimitClassName(int class) { - switch(class) { - case REDIS_CLIENT_LIMIT_CLASS_NORMAL: return "normal"; - case REDIS_CLIENT_LIMIT_CLASS_SLAVE: return "slave"; - case REDIS_CLIENT_LIMIT_CLASS_PUBSUB: return "pubsub"; - default: return NULL; - } -} - -/* The function checks if the client reached output buffer soft or hard - * limit, and also update the state needed to check the soft limit as - * a side effect. - * - * Return value: non-zero if the client reached the soft or the hard limit. - * Otherwise zero is returned. */ -int checkClientOutputBufferLimits(redisClient *c) { - int soft = 0, hard = 0, class; - unsigned long used_mem = getClientOutputBufferMemoryUsage(c); - - class = getClientLimitClass(c); - if (server.client_obuf_limits[class].hard_limit_bytes && - used_mem >= server.client_obuf_limits[class].hard_limit_bytes) - hard = 1; - if (server.client_obuf_limits[class].soft_limit_bytes && - used_mem >= server.client_obuf_limits[class].soft_limit_bytes) - soft = 1; - - /* We need to check if the soft limit is reached continuously for the - * specified amount of seconds. */ - if (soft) { - if (c->obuf_soft_limit_reached_time == 0) { - c->obuf_soft_limit_reached_time = server.unixtime; - soft = 0; /* First time we see the soft limit reached */ - } else { - time_t elapsed = server.unixtime - c->obuf_soft_limit_reached_time; - - if (elapsed <= - server.client_obuf_limits[class].soft_limit_seconds) { - soft = 0; /* The client still did not reached the max number of - seconds for the soft limit to be considered - reached. */ - } - } - } else { - c->obuf_soft_limit_reached_time = 0; - } - return soft || hard; -} - -/* Asynchronously close a client if soft or hard limit is reached on the - * output buffer size. The caller can check if the client will be closed - * checking if the client REDIS_CLOSE_ASAP flag is set. - * - * Note: we need to close the client asynchronously because this function is - * called from contexts where the client can't be freed safely, i.e. from the - * lower level functions pushing data inside the client output buffers. */ -void asyncCloseClientOnOutputBufferLimitReached(redisClient *c) { - redisAssert(c->reply_bytes < ULONG_MAX-(1024*64)); - if (c->reply_bytes == 0 || c->flags & REDIS_CLOSE_ASAP) return; - if (checkClientOutputBufferLimits(c)) { - sds client = getClientInfoString(c); - - freeClientAsync(c); - redisLog(REDIS_WARNING,"Client %s scheduled to be closed ASAP for overcoming of output buffer limits.", client); - sdsfree(client); - } -} - -/* Helper function used by freeMemoryIfNeeded() in order to flush slaves - * output buffers without returning control to the event loop. */ -void flushSlavesOutputBuffers(void) { - listIter li; - listNode *ln; - - listRewind(server.slaves,&li); - while((ln = listNext(&li))) { - redisClient *slave = listNodeValue(ln); - int events; - - events = aeGetFileEvents(server.el,slave->fd); - if (events & AE_WRITABLE && - slave->replstate == REDIS_REPL_ONLINE && - listLength(slave->reply)) - { - sendReplyToClient(server.el,slave->fd,slave,0); - } - } -} +/* + * Copyright (c) 2009-2012, Salvatore Sanfilippo + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of Redis nor the names of its contributors may be used + * to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include "redis.h" +#include + +static void setProtocolError(redisClient *c, int pos); + +/* To evaluate the output buffer size of a client we need to get size of + * allocated objects, however we can't used zmalloc_size() directly on sds + * strings because of the trick they use to work (the header is before the + * returned pointer), so we use this helper function. */ +size_t zmalloc_size_sds(sds s) { + return zmalloc_size(s-sizeof(struct sdshdr)); +} + +void *dupClientReplyValue(void *o) { + incrRefCount((robj*)o); + return o; +} + +int listMatchObjects(void *a, void *b) { + return equalStringObjects(a,b); +} + +redisClient *createClient(int fd) { + redisClient *c = zmalloc(sizeof(redisClient)); + + /* passing -1 as fd it is possible to create a non connected client. + * This is useful since all the Redis commands needs to be executed + * in the context of a client. When commands are executed in other + * contexts (for instance a Lua script) we need a non connected client. */ + if (fd != -1) { + anetNonBlock(NULL,fd); + anetEnableTcpNoDelay(NULL,fd); + if (server.tcpkeepalive) + anetKeepAlive(NULL,fd,server.tcpkeepalive); + if (aeCreateFileEvent(server.el,fd,AE_READABLE, + readQueryFromClient, c) == AE_ERR) + { + close(fd); + zfree(c); + return NULL; + } + } + + selectDb(c,0); + c->fd = fd; + c->name = NULL; + c->bufpos = 0; + c->querybuf = sdsempty(); + c->querybuf_peak = 0; + c->reqtype = 0; + c->argc = 0; + c->argv = NULL; + c->cmd = c->lastcmd = NULL; + c->multibulklen = 0; + c->bulklen = -1; + c->sentlen = 0; + c->flags = 0; + c->ctime = c->lastinteraction = server.unixtime; + c->authenticated = 0; + c->replstate = REDIS_REPL_NONE; + c->slave_listening_port = 0; + c->reply = listCreate(); + c->reply_bytes = 0; + c->obuf_soft_limit_reached_time = 0; + listSetFreeMethod(c->reply,decrRefCount); + listSetDupMethod(c->reply,dupClientReplyValue); + c->bpop.keys = dictCreate(&setDictType,NULL); + c->bpop.timeout = 0; + c->bpop.target = NULL; + c->io_keys = listCreate(); + c->watched_keys = listCreate(); + listSetFreeMethod(c->io_keys,decrRefCount); + c->pubsub_channels = dictCreate(&setDictType,NULL); + c->pubsub_patterns = listCreate(); + listSetFreeMethod(c->pubsub_patterns,decrRefCount); + listSetMatchMethod(c->pubsub_patterns,listMatchObjects); + if (fd != -1) listAddNodeTail(server.clients,c); + initClientMultiState(c); + return c; +} + +/* This function is called every time we are going to transmit new data + * to the client. The behavior is the following: + * + * If the client should receive new data (normal clients will) the function + * returns REDIS_OK, and make sure to install the write handler in our event + * loop so that when the socket is writable new data gets written. + * + * If the client should not receive new data, because it is a fake client + * or a slave, or because the setup of the write handler failed, the function + * returns REDIS_ERR. + * + * Typically gets called every time a reply is built, before adding more + * data to the clients output buffers. If the function returns REDIS_ERR no + * data should be appended to the output buffers. */ +int prepareClientToWrite(redisClient *c) { + if (c->flags & REDIS_LUA_CLIENT) return REDIS_OK; + if (c->fd <= 0) return REDIS_ERR; /* Fake client */ + if (c->bufpos == 0 && listLength(c->reply) == 0 && + (c->replstate == REDIS_REPL_NONE || + c->replstate == REDIS_REPL_ONLINE) && + aeCreateFileEvent(server.el, c->fd, AE_WRITABLE, + sendReplyToClient, c) == AE_ERR) return REDIS_ERR; + return REDIS_OK; +} + +/* Create a duplicate of the last object in the reply list when + * it is not exclusively owned by the reply list. */ +robj *dupLastObjectIfNeeded(list *reply) { + robj *new, *cur; + listNode *ln; + redisAssert(listLength(reply) > 0); + ln = listLast(reply); + cur = listNodeValue(ln); + if (cur->refcount > 1) { + new = dupStringObject(cur); + decrRefCount(cur); + listNodeValue(ln) = new; + } + return listNodeValue(ln); +} + +/* ----------------------------------------------------------------------------- + * Low level functions to add more data to output buffers. + * -------------------------------------------------------------------------- */ + +int _addReplyToBuffer(redisClient *c, char *s, size_t len) { + size_t available = sizeof(c->buf)-c->bufpos; + + if (c->flags & REDIS_CLOSE_AFTER_REPLY) return REDIS_OK; + + /* If there already are entries in the reply list, we cannot + * add anything more to the static buffer. */ + if (listLength(c->reply) > 0) return REDIS_ERR; + + /* Check that the buffer has enough space available for this string. */ + if (len > available) return REDIS_ERR; + + memcpy(c->buf+c->bufpos,s,len); + c->bufpos+=len; + return REDIS_OK; +} + +void _addReplyObjectToList(redisClient *c, robj *o) { + robj *tail; + + if (c->flags & REDIS_CLOSE_AFTER_REPLY) return; + + if (listLength(c->reply) == 0) { + incrRefCount(o); + listAddNodeTail(c->reply,o); + c->reply_bytes += zmalloc_size_sds(o->ptr); + } else { + tail = listNodeValue(listLast(c->reply)); + + /* Append to this object when possible. */ + if (tail->ptr != NULL && + sdslen(tail->ptr)+sdslen(o->ptr) <= REDIS_REPLY_CHUNK_BYTES) + { + c->reply_bytes -= zmalloc_size_sds(tail->ptr); + tail = dupLastObjectIfNeeded(c->reply); + tail->ptr = sdscatlen(tail->ptr,o->ptr,sdslen(o->ptr)); + c->reply_bytes += zmalloc_size_sds(tail->ptr); + } else { + incrRefCount(o); + listAddNodeTail(c->reply,o); + c->reply_bytes += zmalloc_size_sds(o->ptr); + } + } + asyncCloseClientOnOutputBufferLimitReached(c); +} + +/* This method takes responsibility over the sds. When it is no longer + * needed it will be free'd, otherwise it ends up in a robj. */ +void _addReplySdsToList(redisClient *c, sds s) { + robj *tail; + + if (c->flags & REDIS_CLOSE_AFTER_REPLY) { + sdsfree(s); + return; + } + + if (listLength(c->reply) == 0) { + listAddNodeTail(c->reply,createObject(REDIS_STRING,s)); + c->reply_bytes += zmalloc_size_sds(s); + } else { + tail = listNodeValue(listLast(c->reply)); + + /* Append to this object when possible. */ + if (tail->ptr != NULL && + sdslen(tail->ptr)+sdslen(s) <= REDIS_REPLY_CHUNK_BYTES) + { + c->reply_bytes -= zmalloc_size_sds(tail->ptr); + tail = dupLastObjectIfNeeded(c->reply); + tail->ptr = sdscatlen(tail->ptr,s,sdslen(s)); + c->reply_bytes += zmalloc_size_sds(tail->ptr); + sdsfree(s); + } else { + listAddNodeTail(c->reply,createObject(REDIS_STRING,s)); + c->reply_bytes += zmalloc_size_sds(s); + } + } + asyncCloseClientOnOutputBufferLimitReached(c); +} + +void _addReplyStringToList(redisClient *c, char *s, size_t len) { + robj *tail; + + if (c->flags & REDIS_CLOSE_AFTER_REPLY) return; + + if (listLength(c->reply) == 0) { + robj *o = createStringObject(s,len); + + listAddNodeTail(c->reply,o); + c->reply_bytes += zmalloc_size_sds(o->ptr); + } else { + tail = listNodeValue(listLast(c->reply)); + + /* Append to this object when possible. */ + if (tail->ptr != NULL && + sdslen(tail->ptr)+len <= REDIS_REPLY_CHUNK_BYTES) + { + c->reply_bytes -= zmalloc_size_sds(tail->ptr); + tail = dupLastObjectIfNeeded(c->reply); + tail->ptr = sdscatlen(tail->ptr,s,len); + c->reply_bytes += zmalloc_size_sds(tail->ptr); + } else { + robj *o = createStringObject(s,len); + + listAddNodeTail(c->reply,o); + c->reply_bytes += zmalloc_size_sds(o->ptr); + } + } + asyncCloseClientOnOutputBufferLimitReached(c); +} + +/* ----------------------------------------------------------------------------- + * Higher level functions to queue data on the client output buffer. + * The following functions are the ones that commands implementations will call. + * -------------------------------------------------------------------------- */ + +void addReply(redisClient *c, robj *obj) { + if (prepareClientToWrite(c) != REDIS_OK) return; + + /* This is an important place where we can avoid copy-on-write + * when there is a saving child running, avoiding touching the + * refcount field of the object if it's not needed. + * + * If the encoding is RAW and there is room in the static buffer + * we'll be able to send the object to the client without + * messing with its page. */ + if (obj->encoding == REDIS_ENCODING_RAW) { + if (_addReplyToBuffer(c,obj->ptr,sdslen(obj->ptr)) != REDIS_OK) + _addReplyObjectToList(c,obj); + } else if (obj->encoding == REDIS_ENCODING_INT) { + /* Optimization: if there is room in the static buffer for 32 bytes + * (more than the max chars a 64 bit integer can take as string) we + * avoid decoding the object and go for the lower level approach. */ + if (listLength(c->reply) == 0 && (sizeof(c->buf) - c->bufpos) >= 32) { + char buf[32]; + int len; + + len = ll2string(buf,sizeof(buf),(long)obj->ptr); + if (_addReplyToBuffer(c,buf,len) == REDIS_OK) + return; + /* else... continue with the normal code path, but should never + * happen actually since we verified there is room. */ + } + obj = getDecodedObject(obj); + if (_addReplyToBuffer(c,obj->ptr,sdslen(obj->ptr)) != REDIS_OK) + _addReplyObjectToList(c,obj); + decrRefCount(obj); + } else { + redisPanic("Wrong obj->encoding in addReply()"); + } +} + +void addReplySds(redisClient *c, sds s) { + if (prepareClientToWrite(c) != REDIS_OK) { + /* The caller expects the sds to be free'd. */ + sdsfree(s); + return; + } + if (_addReplyToBuffer(c,s,sdslen(s)) == REDIS_OK) { + sdsfree(s); + } else { + /* This method free's the sds when it is no longer needed. */ + _addReplySdsToList(c,s); + } +} + +void addReplyString(redisClient *c, char *s, size_t len) { + if (prepareClientToWrite(c) != REDIS_OK) return; + if (_addReplyToBuffer(c,s,len) != REDIS_OK) + _addReplyStringToList(c,s,len); +} + +void addReplyErrorLength(redisClient *c, char *s, size_t len) { + addReplyString(c,"-ERR ",5); + addReplyString(c,s,len); + addReplyString(c,"\r\n",2); +} + +void addReplyError(redisClient *c, char *err) { + addReplyErrorLength(c,err,strlen(err)); +} + +void addReplyErrorFormat(redisClient *c, const char *fmt, ...) { + size_t l, j; + va_list ap; + va_start(ap,fmt); + sds s = sdscatvprintf(sdsempty(),fmt,ap); + va_end(ap); + /* Make sure there are no newlines in the string, otherwise invalid protocol + * is emitted. */ + l = sdslen(s); + for (j = 0; j < l; j++) { + if (s[j] == '\r' || s[j] == '\n') s[j] = ' '; + } + addReplyErrorLength(c,s,sdslen(s)); + sdsfree(s); +} + +void addReplyStatusLength(redisClient *c, char *s, size_t len) { + addReplyString(c,"+",1); + addReplyString(c,s,len); + addReplyString(c,"\r\n",2); +} + +void addReplyStatus(redisClient *c, char *status) { + addReplyStatusLength(c,status,strlen(status)); +} + +void addReplyStatusFormat(redisClient *c, const char *fmt, ...) { + va_list ap; + va_start(ap,fmt); + sds s = sdscatvprintf(sdsempty(),fmt,ap); + va_end(ap); + addReplyStatusLength(c,s,sdslen(s)); + sdsfree(s); +} + +/* Adds an empty object to the reply list that will contain the multi bulk + * length, which is not known when this function is called. */ +void *addDeferredMultiBulkLength(redisClient *c) { + /* Note that we install the write event here even if the object is not + * ready to be sent, since we are sure that before returning to the + * event loop setDeferredMultiBulkLength() will be called. */ + if (prepareClientToWrite(c) != REDIS_OK) return NULL; + listAddNodeTail(c->reply,createObject(REDIS_STRING,NULL)); + return listLast(c->reply); +} + +/* Populate the length object and try gluing it to the next chunk. */ +void setDeferredMultiBulkLength(redisClient *c, void *node, long length) { + listNode *ln = (listNode*)node; + robj *len, *next; + + /* Abort when *node is NULL (see addDeferredMultiBulkLength). */ + if (node == NULL) return; + + len = listNodeValue(ln); + len->ptr = sdscatprintf(sdsempty(),"*%ld\r\n",length); + c->reply_bytes += zmalloc_size_sds(len->ptr); + if (ln->next != NULL) { + next = listNodeValue(ln->next); + + /* Only glue when the next node is non-NULL (an sds in this case) */ + if (next->ptr != NULL) { + c->reply_bytes -= zmalloc_size_sds(len->ptr); + c->reply_bytes -= zmalloc_size_sds(next->ptr); + len->ptr = sdscatlen(len->ptr,next->ptr,sdslen(next->ptr)); + c->reply_bytes += zmalloc_size_sds(len->ptr); + listDelNode(c->reply,ln->next); + } + } + asyncCloseClientOnOutputBufferLimitReached(c); +} + +/* Add a double as a bulk reply */ +void addReplyDouble(redisClient *c, double d) { + char dbuf[128], sbuf[128]; + int dlen, slen; + dlen = snprintf(dbuf,sizeof(dbuf),"%.17g",d); + slen = snprintf(sbuf,sizeof(sbuf),"$%d\r\n%s\r\n",dlen,dbuf); + addReplyString(c,sbuf,slen); +} + +/* Add a long long as integer reply or bulk len / multi bulk count. + * Basically this is used to output . */ +void addReplyLongLongWithPrefix(redisClient *c, long long ll, char prefix) { + char buf[128]; + int len; + + /* Things like $3\r\n or *2\r\n are emitted very often by the protocol + * so we have a few shared objects to use if the integer is small + * like it is most of the times. */ + if (prefix == '*' && ll < REDIS_SHARED_BULKHDR_LEN) { + addReply(c,shared.mbulkhdr[ll]); + return; + } else if (prefix == '$' && ll < REDIS_SHARED_BULKHDR_LEN) { + addReply(c,shared.bulkhdr[ll]); + return; + } + + buf[0] = prefix; + len = ll2string(buf+1,sizeof(buf)-1,ll); + buf[len+1] = '\r'; + buf[len+2] = '\n'; + addReplyString(c,buf,len+3); +} + +void addReplyLongLong(redisClient *c, long long ll) { + if (ll == 0) + addReply(c,shared.czero); + else if (ll == 1) + addReply(c,shared.cone); + else + addReplyLongLongWithPrefix(c,ll,':'); +} + +void addReplyMultiBulkLen(redisClient *c, long length) { + addReplyLongLongWithPrefix(c,length,'*'); +} + +/* Create the length prefix of a bulk reply, example: $2234 */ +void addReplyBulkLen(redisClient *c, robj *obj) { + size_t len; + + if (obj->encoding == REDIS_ENCODING_RAW) { + len = sdslen(obj->ptr); + } else { + long n = (long)obj->ptr; + + /* Compute how many bytes will take this integer as a radix 10 string */ + len = 1; + if (n < 0) { + len++; + n = -n; + } + while((n = n/10) != 0) { + len++; + } + } + addReplyLongLongWithPrefix(c,len,'$'); +} + +/* Add a Redis Object as a bulk reply */ +void addReplyBulk(redisClient *c, robj *obj) { + addReplyBulkLen(c,obj); + addReply(c,obj); + addReply(c,shared.crlf); +} + +/* Add a C buffer as bulk reply */ +void addReplyBulkCBuffer(redisClient *c, void *p, size_t len) { + addReplyLongLongWithPrefix(c,len,'$'); + addReplyString(c,p,len); + addReply(c,shared.crlf); +} + +/* Add a C nul term string as bulk reply */ +void addReplyBulkCString(redisClient *c, char *s) { + if (s == NULL) { + addReply(c,shared.nullbulk); + } else { + addReplyBulkCBuffer(c,s,strlen(s)); + } +} + +/* Add a long long as a bulk reply */ +void addReplyBulkLongLong(redisClient *c, long long ll) { + char buf[64]; + int len; + + len = ll2string(buf,64,ll); + addReplyBulkCBuffer(c,buf,len); +} + +/* Copy 'src' client output buffers into 'dst' client output buffers. + * The function takes care of freeing the old output buffers of the + * destination client. */ +void copyClientOutputBuffer(redisClient *dst, redisClient *src) { + listRelease(dst->reply); + dst->reply = listDup(src->reply); + memcpy(dst->buf,src->buf,src->bufpos); + dst->bufpos = src->bufpos; + dst->reply_bytes = src->reply_bytes; +} + +static void acceptCommonHandler(int fd, int flags) { + redisClient *c; + if ((c = createClient(fd)) == NULL) { + redisLog(REDIS_WARNING, + "Error registering fd event for the new client: %s (fd=%d)", + strerror(errno),fd); + close(fd); /* May be already closed, just ignore errors */ + return; + } + /* If maxclient directive is set and this is one client more... close the + * connection. Note that we create the client instead to check before + * for this condition, since now the socket is already set in non-blocking + * mode and we can send an error for free using the Kernel I/O */ + if (listLength(server.clients) > server.maxclients) { + char *err = "-ERR max number of clients reached\r\n"; + + /* That's a best effort error message, don't check write errors */ + if (write(c->fd,err,strlen(err)) == -1) { + /* Nothing to do, Just to avoid the warning... */ + } + server.stat_rejected_conn++; + freeClient(c); + return; + } + server.stat_numconnections++; + c->flags |= flags; +} + +void acceptTcpHandler(aeEventLoop *el, int fd, void *privdata, int mask) { + int cport, cfd; + char cip[128]; + REDIS_NOTUSED(el); + REDIS_NOTUSED(mask); + REDIS_NOTUSED(privdata); + + cfd = anetTcpAccept(server.neterr, fd, cip, &cport); + if (cfd == AE_ERR) { + redisLog(REDIS_WARNING,"Accepting client connection: %s", server.neterr); + return; + } + redisLog(REDIS_VERBOSE,"Accepted %s:%d", cip, cport); + acceptCommonHandler(cfd,0); +} + +void acceptUnixHandler(aeEventLoop *el, int fd, void *privdata, int mask) { + int cfd; + REDIS_NOTUSED(el); + REDIS_NOTUSED(mask); + REDIS_NOTUSED(privdata); + + cfd = anetUnixAccept(server.neterr, fd); + if (cfd == AE_ERR) { + redisLog(REDIS_WARNING,"Accepting client connection: %s", server.neterr); + return; + } + redisLog(REDIS_VERBOSE,"Accepted connection to %s", server.unixsocket); + acceptCommonHandler(cfd,REDIS_UNIX_SOCKET); +} + + +static void freeClientArgv(redisClient *c) { + int j; + for (j = 0; j < c->argc; j++) + decrRefCount(c->argv[j]); + c->argc = 0; + c->cmd = NULL; +} + +/* Close all the slaves connections. This is useful in chained replication + * when we resync with our own master and want to force all our slaves to + * resync with us as well. */ +void disconnectSlaves(void) { + while (listLength(server.slaves)) { + listNode *ln = listFirst(server.slaves); + freeClient((redisClient*)ln->value); + } +} + +void freeClient(redisClient *c) { + listNode *ln; + + /* If this is marked as current client unset it */ + if (server.current_client == c) server.current_client = NULL; + + /* Note that if the client we are freeing is blocked into a blocking + * call, we have to set querybuf to NULL *before* to call + * unblockClientWaitingData() to avoid processInputBuffer() will get + * called. Also it is important to remove the file events after + * this, because this call adds the READABLE event. */ + sdsfree(c->querybuf); + c->querybuf = NULL; + if (c->flags & REDIS_BLOCKED) + unblockClientWaitingData(c); + dictRelease(c->bpop.keys); + + /* UNWATCH all the keys */ + unwatchAllKeys(c); + listRelease(c->watched_keys); + /* Unsubscribe from all the pubsub channels */ + pubsubUnsubscribeAllChannels(c,0); + pubsubUnsubscribeAllPatterns(c,0); + dictRelease(c->pubsub_channels); + listRelease(c->pubsub_patterns); + /* Obvious cleanup */ + aeDeleteFileEvent(server.el,c->fd,AE_READABLE); + aeDeleteFileEvent(server.el,c->fd,AE_WRITABLE); + listRelease(c->reply); + freeClientArgv(c); + close(c->fd); + /* Remove from the list of clients */ + ln = listSearchKey(server.clients,c); + redisAssert(ln != NULL); + listDelNode(server.clients,ln); + /* When client was just unblocked because of a blocking operation, + * remove it from the list with unblocked clients. */ + if (c->flags & REDIS_UNBLOCKED) { + ln = listSearchKey(server.unblocked_clients,c); + redisAssert(ln != NULL); + listDelNode(server.unblocked_clients,ln); + } + listRelease(c->io_keys); + /* Master/slave cleanup. + * Case 1: we lost the connection with a slave. */ + if (c->flags & REDIS_SLAVE) { + if (c->replstate == REDIS_REPL_SEND_BULK && c->repldbfd != -1) + close(c->repldbfd); + list *l = (c->flags & REDIS_MONITOR) ? server.monitors : server.slaves; + ln = listSearchKey(l,c); + redisAssert(ln != NULL); + listDelNode(l,ln); + } + + /* Case 2: we lost the connection with the master. */ + if (c->flags & REDIS_MASTER) { + server.master = NULL; + server.repl_state = REDIS_REPL_CONNECT; + server.repl_down_since = server.unixtime; + /* We lost connection with our master, force our slaves to resync + * with us as well to load the new data set. + * + * If server.masterhost is NULL the user called SLAVEOF NO ONE so + * slave resync is not needed. */ + if (server.masterhost != NULL) disconnectSlaves(); + } + + /* If this client was scheduled for async freeing we need to remove it + * from the queue. */ + if (c->flags & REDIS_CLOSE_ASAP) { + ln = listSearchKey(server.clients_to_close,c); + redisAssert(ln != NULL); + listDelNode(server.clients_to_close,ln); + } + + /* Release memory */ + if (c->name) decrRefCount(c->name); + zfree(c->argv); + freeClientMultiState(c); + zfree(c); +} + +/* Schedule a client to free it at a safe time in the serverCron() function. + * This function is useful when we need to terminate a client but we are in + * a context where calling freeClient() is not possible, because the client + * should be valid for the continuation of the flow of the program. */ +void freeClientAsync(redisClient *c) { + if (c->flags & REDIS_CLOSE_ASAP) return; + c->flags |= REDIS_CLOSE_ASAP; + listAddNodeTail(server.clients_to_close,c); +} + +void freeClientsInAsyncFreeQueue(void) { + while (listLength(server.clients_to_close)) { + listNode *ln = listFirst(server.clients_to_close); + redisClient *c = listNodeValue(ln); + + c->flags &= ~REDIS_CLOSE_ASAP; + freeClient(c); + listDelNode(server.clients_to_close,ln); + } +} + +void sendReplyToClient(aeEventLoop *el, int fd, void *privdata, int mask) { + redisClient *c = privdata; + int nwritten = 0, totwritten = 0, objlen; + size_t objmem; + robj *o; + REDIS_NOTUSED(el); + REDIS_NOTUSED(mask); + + while(c->bufpos > 0 || listLength(c->reply)) { + if (c->bufpos > 0) { + if (c->flags & REDIS_MASTER) { + /* Don't reply to a master */ + nwritten = c->bufpos - c->sentlen; + } else { + nwritten = write(fd,c->buf+c->sentlen,c->bufpos-c->sentlen); + if (nwritten <= 0) break; + } + c->sentlen += nwritten; + totwritten += nwritten; + + /* If the buffer was sent, set bufpos to zero to continue with + * the remainder of the reply. */ + if (c->sentlen == c->bufpos) { + c->bufpos = 0; + c->sentlen = 0; + } + } else { + o = listNodeValue(listFirst(c->reply)); + objlen = sdslen(o->ptr); + objmem = zmalloc_size_sds(o->ptr); + + if (objlen == 0) { + listDelNode(c->reply,listFirst(c->reply)); + continue; + } + + if (c->flags & REDIS_MASTER) { + /* Don't reply to a master */ + nwritten = objlen - c->sentlen; + } else { + nwritten = write(fd, ((char*)o->ptr)+c->sentlen,objlen-c->sentlen); + if (nwritten <= 0) break; + } + c->sentlen += nwritten; + totwritten += nwritten; + + /* If we fully sent the object on head go to the next one */ + if (c->sentlen == objlen) { + listDelNode(c->reply,listFirst(c->reply)); + c->sentlen = 0; + c->reply_bytes -= objmem; + } + } + /* Note that we avoid to send more than REDIS_MAX_WRITE_PER_EVENT + * bytes, in a single threaded server it's a good idea to serve + * other clients as well, even if a very large request comes from + * super fast link that is always able to accept data (in real world + * scenario think about 'KEYS *' against the loopback interface). + * + * However if we are over the maxmemory limit we ignore that and + * just deliver as much data as it is possible to deliver. */ + if (totwritten > REDIS_MAX_WRITE_PER_EVENT && + (server.maxmemory == 0 || + zmalloc_used_memory() < server.maxmemory)) break; + } + if (nwritten == -1) { + if (errno == EAGAIN) { + nwritten = 0; + } else { + redisLog(REDIS_VERBOSE, + "Error writing to client: %s", strerror(errno)); + freeClient(c); + return; + } + } + if (totwritten > 0) c->lastinteraction = server.unixtime; + if (c->bufpos == 0 && listLength(c->reply) == 0) { + c->sentlen = 0; + aeDeleteFileEvent(server.el,c->fd,AE_WRITABLE); + + /* Close connection after entire reply has been sent. */ + if (c->flags & REDIS_CLOSE_AFTER_REPLY) freeClient(c); + } +} + +/* resetClient prepare the client to process the next command */ +void resetClient(redisClient *c) { + freeClientArgv(c); + c->reqtype = 0; + c->multibulklen = 0; + c->bulklen = -1; + /* We clear the ASKING flag as well if we are not inside a MULTI. */ + if (!(c->flags & REDIS_MULTI)) c->flags &= (~REDIS_ASKING); +} + +int processInlineBuffer(redisClient *c) { + char *newline = strstr(c->querybuf,"\r\n"); + int argc, j; + sds *argv; + size_t querylen; + + /* Nothing to do without a \r\n */ + if (newline == NULL) { + if (sdslen(c->querybuf) > REDIS_INLINE_MAX_SIZE) { + addReplyError(c,"Protocol error: too big inline request"); + setProtocolError(c,0); + } + return REDIS_ERR; + } + + /* Split the input buffer up to the \r\n */ + querylen = newline-(c->querybuf); + argv = sdssplitlen(c->querybuf,querylen," ",1,&argc); + + /* Leave data after the first line of the query in the buffer */ + c->querybuf = sdsrange(c->querybuf,querylen+2,-1); + + /* Setup argv array on client structure */ + if (c->argv) zfree(c->argv); + c->argv = zmalloc(sizeof(robj*)*argc); + + /* Create redis objects for all arguments. */ + for (c->argc = 0, j = 0; j < argc; j++) { + if (sdslen(argv[j])) { + c->argv[c->argc] = createObject(REDIS_STRING,argv[j]); + c->argc++; + } else { + sdsfree(argv[j]); + } + } + zfree(argv); + return REDIS_OK; +} + +/* Helper function. Trims query buffer to make the function that processes + * multi bulk requests idempotent. */ +static void setProtocolError(redisClient *c, int pos) { + if (server.verbosity >= REDIS_VERBOSE) { + sds client = getClientInfoString(c); + redisLog(REDIS_VERBOSE, + "Protocol error from client: %s", client); + sdsfree(client); + } + c->flags |= REDIS_CLOSE_AFTER_REPLY; + c->querybuf = sdsrange(c->querybuf,pos,-1); +} + +int processMultibulkBuffer(redisClient *c) { + char *newline = NULL; + int pos = 0, ok; + long long ll; + + if (c->multibulklen == 0) { + /* The client should have been reset */ + redisAssertWithInfo(c,NULL,c->argc == 0); + + /* Multi bulk length cannot be read without a \r\n */ + newline = strchr(c->querybuf,'\r'); + if (newline == NULL) { + if (sdslen(c->querybuf) > REDIS_INLINE_MAX_SIZE) { + addReplyError(c,"Protocol error: too big mbulk count string"); + setProtocolError(c,0); + } + return REDIS_ERR; + } + + /* Buffer should also contain \n */ + if (newline-(c->querybuf) > ((signed)sdslen(c->querybuf)-2)) + return REDIS_ERR; + + /* We know for sure there is a whole line since newline != NULL, + * so go ahead and find out the multi bulk length. */ + redisAssertWithInfo(c,NULL,c->querybuf[0] == '*'); + ok = string2ll(c->querybuf+1,newline-(c->querybuf+1),&ll); + if (!ok || ll > 1024*1024) { + addReplyError(c,"Protocol error: invalid multibulk length"); + setProtocolError(c,pos); + return REDIS_ERR; + } + + pos = (newline-c->querybuf)+2; + if (ll <= 0) { + c->querybuf = sdsrange(c->querybuf,pos,-1); + return REDIS_OK; + } + + c->multibulklen = ll; + + /* Setup argv array on client structure */ + if (c->argv) zfree(c->argv); + c->argv = zmalloc(sizeof(robj*)*c->multibulklen); + } + + redisAssertWithInfo(c,NULL,c->multibulklen > 0); + while(c->multibulklen) { + /* Read bulk length if unknown */ + if (c->bulklen == -1) { + newline = strchr(c->querybuf+pos,'\r'); + if (newline == NULL) { + if (sdslen(c->querybuf) > REDIS_INLINE_MAX_SIZE) { + addReplyError(c,"Protocol error: too big bulk count string"); + setProtocolError(c,0); + } + break; + } + + /* Buffer should also contain \n */ + if (newline-(c->querybuf) > ((signed)sdslen(c->querybuf)-2)) + break; + + if (c->querybuf[pos] != '$') { + addReplyErrorFormat(c, + "Protocol error: expected '$', got '%c'", + c->querybuf[pos]); + setProtocolError(c,pos); + return REDIS_ERR; + } + + ok = string2ll(c->querybuf+pos+1,newline-(c->querybuf+pos+1),&ll); + if (!ok || ll < 0 || ll > 512*1024*1024) { + addReplyError(c,"Protocol error: invalid bulk length"); + setProtocolError(c,pos); + return REDIS_ERR; + } + + pos += newline-(c->querybuf+pos)+2; + if (ll >= REDIS_MBULK_BIG_ARG) { + /* If we are going to read a large object from network + * try to make it likely that it will start at c->querybuf + * boundary so that we can optimized object creation + * avoiding a large copy of data. */ + c->querybuf = sdsrange(c->querybuf,pos,-1); + pos = 0; + /* Hint the sds library about the amount of bytes this string is + * going to contain. */ + c->querybuf = sdsMakeRoomFor(c->querybuf,ll+2); + } + c->bulklen = ll; + } + + /* Read bulk argument */ + if (sdslen(c->querybuf)-pos < (unsigned)(c->bulklen+2)) { + /* Not enough data (+2 == trailing \r\n) */ + break; + } else { + /* Optimization: if the buffer contains JUST our bulk element + * instead of creating a new object by *copying* the sds we + * just use the current sds string. */ + if (pos == 0 && + c->bulklen >= REDIS_MBULK_BIG_ARG && + (signed) sdslen(c->querybuf) == c->bulklen+2) + { + c->argv[c->argc++] = createObject(REDIS_STRING,c->querybuf); + sdsIncrLen(c->querybuf,-2); /* remove CRLF */ + c->querybuf = sdsempty(); + /* Assume that if we saw a fat argument we'll see another one + * likely... */ + c->querybuf = sdsMakeRoomFor(c->querybuf,c->bulklen+2); + pos = 0; + } else { + c->argv[c->argc++] = + createStringObject(c->querybuf+pos,c->bulklen); + pos += c->bulklen+2; + } + c->bulklen = -1; + c->multibulklen--; + } + } + + /* Trim to pos */ + if (pos) c->querybuf = sdsrange(c->querybuf,pos,-1); + + /* We're done when c->multibulk == 0 */ + if (c->multibulklen == 0) return REDIS_OK; + + /* Still not read to process the command */ + return REDIS_ERR; +} + +void processInputBuffer(redisClient *c) { + /* Keep processing while there is something in the input buffer */ + while(sdslen(c->querybuf)) { + /* Immediately abort if the client is in the middle of something. */ + if (c->flags & REDIS_BLOCKED) return; + + /* REDIS_CLOSE_AFTER_REPLY closes the connection once the reply is + * written to the client. Make sure to not let the reply grow after + * this flag has been set (i.e. don't process more commands). */ + if (c->flags & REDIS_CLOSE_AFTER_REPLY) return; + + /* Determine request type when unknown. */ + if (!c->reqtype) { + if (c->querybuf[0] == '*') { + c->reqtype = REDIS_REQ_MULTIBULK; + } else { + c->reqtype = REDIS_REQ_INLINE; + } + } + + if (c->reqtype == REDIS_REQ_INLINE) { + if (processInlineBuffer(c) != REDIS_OK) break; + } else if (c->reqtype == REDIS_REQ_MULTIBULK) { + if (processMultibulkBuffer(c) != REDIS_OK) break; + } else { + redisPanic("Unknown request type"); + } + + /* Multibulk processing could see a <= 0 length. */ + if (c->argc == 0) { + resetClient(c); + } else { + /* Only reset the client when the command was executed. */ + if (processCommand(c) == REDIS_OK) + resetClient(c); + } + } +} + +void readQueryFromClient(aeEventLoop *el, int fd, void *privdata, int mask) { + redisClient *c = (redisClient*) privdata; + int nread, readlen; + size_t qblen; + REDIS_NOTUSED(el); + REDIS_NOTUSED(mask); + + server.current_client = c; + readlen = REDIS_IOBUF_LEN; + /* If this is a multi bulk request, and we are processing a bulk reply + * that is large enough, try to maximize the probability that the query + * buffer contains exactly the SDS string representing the object, even + * at the risk of requiring more read(2) calls. This way the function + * processMultiBulkBuffer() can avoid copying buffers to create the + * Redis Object representing the argument. */ + if (c->reqtype == REDIS_REQ_MULTIBULK && c->multibulklen && c->bulklen != -1 + && c->bulklen >= REDIS_MBULK_BIG_ARG) + { + int remaining = (unsigned)(c->bulklen+2)-sdslen(c->querybuf); + + if (remaining < readlen) readlen = remaining; + } + + qblen = sdslen(c->querybuf); + if (c->querybuf_peak < qblen) c->querybuf_peak = qblen; + c->querybuf = sdsMakeRoomFor(c->querybuf, readlen); + nread = read(fd, c->querybuf+qblen, readlen); + if (nread == -1) { + if (errno == EAGAIN) { + nread = 0; + } else { + redisLog(REDIS_VERBOSE, "Reading from client: %s",strerror(errno)); + freeClient(c); + return; + } + } else if (nread == 0) { + redisLog(REDIS_VERBOSE, "Client closed connection"); + freeClient(c); + return; + } + if (nread) { + sdsIncrLen(c->querybuf,nread); + c->lastinteraction = server.unixtime; + } else { + server.current_client = NULL; + return; + } + if (sdslen(c->querybuf) > server.client_max_querybuf_len) { + sds ci = getClientInfoString(c), bytes = sdsempty(); + + bytes = sdscatrepr(bytes,c->querybuf,64); + redisLog(REDIS_WARNING,"Closing client that reached max query buffer length: %s (qbuf initial bytes: %s)", ci, bytes); + sdsfree(ci); + sdsfree(bytes); + freeClient(c); + return; + } + processInputBuffer(c); + server.current_client = NULL; +} + +void getClientsMaxBuffers(unsigned long *longest_output_list, + unsigned long *biggest_input_buffer) { + redisClient *c; + listNode *ln; + listIter li; + unsigned long lol = 0, bib = 0; + + listRewind(server.clients,&li); + while ((ln = listNext(&li)) != NULL) { + c = listNodeValue(ln); + + if (listLength(c->reply) > lol) lol = listLength(c->reply); + if (sdslen(c->querybuf) > bib) bib = sdslen(c->querybuf); + } + *longest_output_list = lol; + *biggest_input_buffer = bib; +} + +/* Turn a Redis client into an sds string representing its state. */ +sds getClientInfoString(redisClient *client) { + char ip[32], flags[16], events[3], *p; + int port = 0; /* initialized to zero for the unix socket case. */ + int emask; + + if (!(client->flags & REDIS_UNIX_SOCKET)) + anetPeerToString(client->fd,ip,&port); + p = flags; + if (client->flags & REDIS_SLAVE) { + if (client->flags & REDIS_MONITOR) + *p++ = 'O'; + else + *p++ = 'S'; + } + if (client->flags & REDIS_MASTER) *p++ = 'M'; + if (client->flags & REDIS_MULTI) *p++ = 'x'; + if (client->flags & REDIS_BLOCKED) *p++ = 'b'; + if (client->flags & REDIS_DIRTY_CAS) *p++ = 'd'; + if (client->flags & REDIS_CLOSE_AFTER_REPLY) *p++ = 'c'; + if (client->flags & REDIS_UNBLOCKED) *p++ = 'u'; + if (client->flags & REDIS_CLOSE_ASAP) *p++ = 'A'; + if (client->flags & REDIS_UNIX_SOCKET) *p++ = 'U'; + if (p == flags) *p++ = 'N'; + *p++ = '\0'; + + emask = client->fd == -1 ? 0 : aeGetFileEvents(server.el,client->fd); + p = events; + if (emask & AE_READABLE) *p++ = 'r'; + if (emask & AE_WRITABLE) *p++ = 'w'; + *p = '\0'; + return sdscatprintf(sdsempty(), + "addr=%s:%d fd=%d name=%s age=%ld idle=%ld flags=%s db=%d sub=%d psub=%d multi=%d qbuf=%lu qbuf-free=%lu obl=%lu oll=%lu omem=%lu events=%s cmd=%s", + (client->flags & REDIS_UNIX_SOCKET) ? server.unixsocket : ip, + port, + client->fd, + client->name ? (char*)client->name->ptr : "", + (long)(server.unixtime - client->ctime), + (long)(server.unixtime - client->lastinteraction), + flags, + client->db->id, + (int) dictSize(client->pubsub_channels), + (int) listLength(client->pubsub_patterns), + (client->flags & REDIS_MULTI) ? client->mstate.count : -1, + (unsigned long) sdslen(client->querybuf), + (unsigned long) sdsavail(client->querybuf), + (unsigned long) client->bufpos, + (unsigned long) listLength(client->reply), + getClientOutputBufferMemoryUsage(client), + events, + client->lastcmd ? client->lastcmd->name : "NULL"); +} + +sds getAllClientsInfoString(void) { + listNode *ln; + listIter li; + redisClient *client; + sds o = sdsempty(); + + listRewind(server.clients,&li); + while ((ln = listNext(&li)) != NULL) { + sds cs; + + client = listNodeValue(ln); + cs = getClientInfoString(client); + o = sdscatsds(o,cs); + sdsfree(cs); + o = sdscatlen(o,"\n",1); + } + return o; +} + +void clientCommand(redisClient *c) { + listNode *ln; + listIter li; + redisClient *client; + + if (!strcasecmp(c->argv[1]->ptr,"list") && c->argc == 2) { + sds o = getAllClientsInfoString(); + addReplyBulkCBuffer(c,o,sdslen(o)); + sdsfree(o); + } else if (!strcasecmp(c->argv[1]->ptr,"kill") && c->argc == 3) { + listRewind(server.clients,&li); + while ((ln = listNext(&li)) != NULL) { + char ip[32], addr[64]; + int port; + + client = listNodeValue(ln); + if (anetPeerToString(client->fd,ip,&port) == -1) continue; + snprintf(addr,sizeof(addr),"%s:%d",ip,port); + if (strcmp(addr,c->argv[2]->ptr) == 0) { + addReply(c,shared.ok); + if (c == client) { + client->flags |= REDIS_CLOSE_AFTER_REPLY; + } else { + freeClient(client); + } + return; + } + } + addReplyError(c,"No such client"); + } else if (!strcasecmp(c->argv[1]->ptr,"setname") && c->argc == 3) { + int j, len = sdslen(c->argv[2]->ptr); + char *p = c->argv[2]->ptr; + + /* Setting the client name to an empty string actually removes + * the current name. */ + if (len == 0) { + if (c->name) decrRefCount(c->name); + c->name = NULL; + addReply(c,shared.ok); + return; + } + + /* Otherwise check if the charset is ok. We need to do this otherwise + * CLIENT LIST format will break. You should always be able to + * split by space to get the different fields. */ + for (j = 0; j < len; j++) { + if (p[j] < '!' || p[j] > '~') { /* ASCII is assumed. */ + addReplyError(c, + "Client names cannot contain spaces, " + "newlines or special characters."); + return; + } + } + if (c->name) decrRefCount(c->name); + c->name = c->argv[2]; + incrRefCount(c->name); + addReply(c,shared.ok); + } else if (!strcasecmp(c->argv[1]->ptr,"getname") && c->argc == 2) { + if (c->name) + addReplyBulk(c,c->name); + else + addReply(c,shared.nullbulk); + } else { + addReplyError(c, "Syntax error, try CLIENT (LIST | KILL ip:port | GETNAME | SETNAME connection-name)"); + } +} + +/* Rewrite the command vector of the client. All the new objects ref count + * is incremented. The old command vector is freed, and the old objects + * ref count is decremented. */ +void rewriteClientCommandVector(redisClient *c, int argc, ...) { + va_list ap; + int j; + robj **argv; /* The new argument vector */ + + argv = zmalloc(sizeof(robj*)*argc); + va_start(ap,argc); + for (j = 0; j < argc; j++) { + robj *a; + + a = va_arg(ap, robj*); + argv[j] = a; + incrRefCount(a); + } + /* We free the objects in the original vector at the end, so we are + * sure that if the same objects are reused in the new vector the + * refcount gets incremented before it gets decremented. */ + for (j = 0; j < c->argc; j++) decrRefCount(c->argv[j]); + zfree(c->argv); + /* Replace argv and argc with our new versions. */ + c->argv = argv; + c->argc = argc; + c->cmd = lookupCommandOrOriginal(c->argv[0]->ptr); + redisAssertWithInfo(c,NULL,c->cmd != NULL); + va_end(ap); +} + +/* Rewrite a single item in the command vector. + * The new val ref count is incremented, and the old decremented. */ +void rewriteClientCommandArgument(redisClient *c, int i, robj *newval) { + robj *oldval; + + redisAssertWithInfo(c,NULL,i < c->argc); + oldval = c->argv[i]; + c->argv[i] = newval; + incrRefCount(newval); + decrRefCount(oldval); + + /* If this is the command name make sure to fix c->cmd. */ + if (i == 0) { + c->cmd = lookupCommandOrOriginal(c->argv[0]->ptr); + redisAssertWithInfo(c,NULL,c->cmd != NULL); + } +} + +/* This function returns the number of bytes that Redis is virtually + * using to store the reply still not read by the client. + * It is "virtual" since the reply output list may contain objects that + * are shared and are not really using additional memory. + * + * The function returns the total sum of the length of all the objects + * stored in the output list, plus the memory used to allocate every + * list node. The static reply buffer is not taken into account since it + * is allocated anyway. + * + * Note: this function is very fast so can be called as many time as + * the caller wishes. The main usage of this function currently is + * enforcing the client output length limits. */ +unsigned long getClientOutputBufferMemoryUsage(redisClient *c) { + unsigned long list_item_size = sizeof(listNode)+sizeof(robj); + + return c->reply_bytes + (list_item_size*listLength(c->reply)); +} + +/* Get the class of a client, used in order to enforce limits to different + * classes of clients. + * + * The function will return one of the following: + * REDIS_CLIENT_LIMIT_CLASS_NORMAL -> Normal client + * REDIS_CLIENT_LIMIT_CLASS_SLAVE -> Slave or client executing MONITOR command + * REDIS_CLIENT_LIMIT_CLASS_PUBSUB -> Client subscribed to Pub/Sub channels + */ +int getClientLimitClass(redisClient *c) { + if (c->flags & REDIS_SLAVE) return REDIS_CLIENT_LIMIT_CLASS_SLAVE; + if (dictSize(c->pubsub_channels) || listLength(c->pubsub_patterns)) + return REDIS_CLIENT_LIMIT_CLASS_PUBSUB; + return REDIS_CLIENT_LIMIT_CLASS_NORMAL; +} + +int getClientLimitClassByName(char *name) { + if (!strcasecmp(name,"normal")) return REDIS_CLIENT_LIMIT_CLASS_NORMAL; + else if (!strcasecmp(name,"slave")) return REDIS_CLIENT_LIMIT_CLASS_SLAVE; + else if (!strcasecmp(name,"pubsub")) return REDIS_CLIENT_LIMIT_CLASS_PUBSUB; + else return -1; +} + +char *getClientLimitClassName(int class) { + switch(class) { + case REDIS_CLIENT_LIMIT_CLASS_NORMAL: return "normal"; + case REDIS_CLIENT_LIMIT_CLASS_SLAVE: return "slave"; + case REDIS_CLIENT_LIMIT_CLASS_PUBSUB: return "pubsub"; + default: return NULL; + } +} + +/* The function checks if the client reached output buffer soft or hard + * limit, and also update the state needed to check the soft limit as + * a side effect. + * + * Return value: non-zero if the client reached the soft or the hard limit. + * Otherwise zero is returned. */ +int checkClientOutputBufferLimits(redisClient *c) { + int soft = 0, hard = 0, class; + unsigned long used_mem = getClientOutputBufferMemoryUsage(c); + + class = getClientLimitClass(c); + if (server.client_obuf_limits[class].hard_limit_bytes && + used_mem >= server.client_obuf_limits[class].hard_limit_bytes) + hard = 1; + if (server.client_obuf_limits[class].soft_limit_bytes && + used_mem >= server.client_obuf_limits[class].soft_limit_bytes) + soft = 1; + + /* We need to check if the soft limit is reached continuously for the + * specified amount of seconds. */ + if (soft) { + if (c->obuf_soft_limit_reached_time == 0) { + c->obuf_soft_limit_reached_time = server.unixtime; + soft = 0; /* First time we see the soft limit reached */ + } else { + time_t elapsed = server.unixtime - c->obuf_soft_limit_reached_time; + + if (elapsed <= + server.client_obuf_limits[class].soft_limit_seconds) { + soft = 0; /* The client still did not reached the max number of + seconds for the soft limit to be considered + reached. */ + } + } + } else { + c->obuf_soft_limit_reached_time = 0; + } + return soft || hard; +} + +/* Asynchronously close a client if soft or hard limit is reached on the + * output buffer size. The caller can check if the client will be closed + * checking if the client REDIS_CLOSE_ASAP flag is set. + * + * Note: we need to close the client asynchronously because this function is + * called from contexts where the client can't be freed safely, i.e. from the + * lower level functions pushing data inside the client output buffers. */ +void asyncCloseClientOnOutputBufferLimitReached(redisClient *c) { + redisAssert(c->reply_bytes < ULONG_MAX-(1024*64)); + if (c->reply_bytes == 0 || c->flags & REDIS_CLOSE_ASAP) return; + if (checkClientOutputBufferLimits(c)) { + sds client = getClientInfoString(c); + + freeClientAsync(c); + redisLog(REDIS_WARNING,"Client %s scheduled to be closed ASAP for overcoming of output buffer limits.", client); + sdsfree(client); + } +} + +/* Helper function used by freeMemoryIfNeeded() in order to flush slaves + * output buffers without returning control to the event loop. */ +void flushSlavesOutputBuffers(void) { + listIter li; + listNode *ln; + + listRewind(server.slaves,&li); + while((ln = listNext(&li))) { + redisClient *slave = listNodeValue(ln); + int events; + + events = aeGetFileEvents(server.el,slave->fd); + if (events & AE_WRITABLE && + slave->replstate == REDIS_REPL_ONLINE && + listLength(slave->reply)) + { + sendReplyToClient(server.el,slave->fd,slave,0); + } + } +} diff --git a/src/object.c b/src/object.c index c2b8970..00cf023 100644 --- a/src/object.c +++ b/src/object.c @@ -72,7 +72,7 @@ robj *createStringObjectFromLongDouble(long double value) { int len; /* We use 17 digits precision since with 128 bit floats that precision - * after rouding is able to represent most small decimal numbers in a way + * after rounding is able to represent most small decimal numbers in a way * that is "non surprising" for the user (that is, most small decimal * numbers will be represented in a way that when converted back into * a string are exactly the same as what the user typed.) */ diff --git a/src/pubsub.c b/src/pubsub.c index 8cd17df..718f819 100644 --- a/src/pubsub.c +++ b/src/pubsub.c @@ -117,7 +117,7 @@ int pubsubUnsubscribeChannel(redisClient *c, robj *channel, int notify) { return retval; } -/* Subscribe a client to a pattern. Returns 1 if the operation succeeded, or 0 if the clinet was already subscribed to that pattern. */ +/* Subscribe a client to a pattern. Returns 1 if the operation succeeded, or 0 if the client was already subscribed to that pattern. */ int pubsubSubscribePattern(redisClient *c, robj *pattern) { int retval = 0; @@ -179,6 +179,14 @@ int pubsubUnsubscribeAllChannels(redisClient *c, int notify) { count += pubsubUnsubscribeChannel(c,channel,notify); } + /* We were subscribed to nothing? Still reply to the client. */ + if (notify && count == 0) { + addReply(c,shared.mbulkhdr[3]); + addReply(c,shared.unsubscribebulk); + addReply(c,shared.nullbulk); + addReplyLongLong(c,dictSize(c->pubsub_channels)+ + listLength(c->pubsub_patterns)); + } dictReleaseIterator(di); return count; } @@ -196,6 +204,14 @@ int pubsubUnsubscribeAllPatterns(redisClient *c, int notify) { count += pubsubUnsubscribePattern(c,pattern,notify); } + if (notify && count == 0) { + /* We were subscribed to nothing? Still reply to the client. */ + addReply(c,shared.mbulkhdr[3]); + addReply(c,shared.punsubscribebulk); + addReply(c,shared.nullbulk); + addReplyLongLong(c,dictSize(c->pubsub_channels)+ + listLength(c->pubsub_patterns)); + } return count; } @@ -262,7 +278,6 @@ void subscribeCommand(redisClient *c) { void unsubscribeCommand(redisClient *c) { if (c->argc == 1) { pubsubUnsubscribeAllChannels(c,1); - return; } else { int j; @@ -281,7 +296,6 @@ void psubscribeCommand(redisClient *c) { void punsubscribeCommand(redisClient *c) { if (c->argc == 1) { pubsubUnsubscribeAllPatterns(c,1); - return; } else { int j; diff --git a/src/rdb.c b/src/rdb.c index 3d5ac20..7a3bc76 100644 --- a/src/rdb.c +++ b/src/rdb.c @@ -265,7 +265,7 @@ robj *rdbLoadLzfStringObject(rio *rdb) { return NULL; } -/* Save a string objet as [len][data] on disk. If the object is a string +/* Save a string object as [len][data] on disk. If the object is a string * representation of an integer value we try to save it in a special form */ int rdbSaveRawString(rio *rdb, unsigned char *s, size_t len) { int enclen; @@ -321,7 +321,7 @@ int rdbSaveLongLongAsStringObject(rio *rdb, long long value) { /* Like rdbSaveStringObjectRaw() but handle encoded objects */ int rdbSaveStringObject(rio *rdb, robj *obj) { /* Avoid to decode the object, then encode it again, if the - * object is alrady integer encoded. */ + * object is already integer encoded. */ if (obj->encoding == REDIS_ENCODING_INT) { return rdbSaveLongLongAsStringObject(rdb,(long)obj->ptr); } else { @@ -367,7 +367,7 @@ robj *rdbLoadEncodedStringObject(rio *rdb) { } /* Save a double value. Doubles are saved as strings prefixed by an unsigned - * 8 bit integer specifing the length of the representation. + * 8 bit integer specifying the length of the representation. * This 8 bit integer has special values in order to specify the following * conditions: * 253: not a number @@ -606,7 +606,7 @@ off_t rdbSavedObjectLen(robj *o) { /* Save a key-value pair, with expire time, type, key, value. * On error -1 is returned. - * On success if the key was actaully saved 1 is returned, otherwise 0 + * On success if the key was actually saved 1 is returned, otherwise 0 * is returned (the key was already expired). */ int rdbSaveKeyValuePair(rio *rdb, robj *key, robj *val, long long expiretime, long long now) @@ -722,6 +722,7 @@ int rdbSaveBackground(char *filename) { if (server.rdb_child_pid != -1) return REDIS_ERR; server.dirty_before_bgsave = server.dirty; + server.lastbgsave_try = time(NULL); start = ustime(); if ((childpid = fork()) == 0) { @@ -1067,11 +1068,8 @@ int rdbLoad(char *filename) { FILE *fp; rio rdb; - fp = fopen(filename,"r"); - if (!fp) { - errno = ENOENT; - return REDIS_ERR; - } + if ((fp = fopen(filename,"r")) == NULL) return REDIS_ERR; + rioInitWithFile(&rdb,fp); if (server.rdb_checksum) rdb.update_cksum = rioGenericUpdateChecksum; @@ -1109,7 +1107,7 @@ int rdbLoad(char *filename) { /* We read the time so we need to read the object type again. */ if ((type = rdbLoadType(&rdb)) == -1) goto eoferr; /* the EXPIRETIME opcode specifies time in seconds, so convert - * into milliesconds. */ + * into milliseconds. */ expiretime *= 1000; } else if (type == REDIS_RDB_OPCODE_EXPIRETIME_MS) { /* Milliseconds precision expire times introduced with RDB @@ -1194,7 +1192,10 @@ void backgroundSaveDoneHandler(int exitcode, int bysignal) { redisLog(REDIS_WARNING, "Background saving terminated by signal %d", bysignal); rdbRemoveTempFile(server.rdb_child_pid); - server.lastbgsave_status = REDIS_ERR; + /* SIGUSR1 is whitelisted, so we have a way to kill a child without + * tirggering an error conditon. */ + if (bysignal != SIGUSR1) + server.lastbgsave_status = REDIS_ERR; } server.rdb_child_pid = -1; server.rdb_save_time_last = time(NULL)-server.rdb_save_time_start; diff --git a/src/rdb.h b/src/rdb.h index d0f2aad..54ee4e5 100644 --- a/src/rdb.h +++ b/src/rdb.h @@ -51,7 +51,7 @@ * number specify the kind of object that follows. * See the REDIS_RDB_ENC_* defines. * - * Lenghts up to 63 are stored using a single byte, most DB keys, and may + * Lengths up to 63 are stored using a single byte, most DB keys, and may * values, will fit inside. */ #define REDIS_RDB_6BITLEN 0 #define REDIS_RDB_14BITLEN 1 diff --git a/src/redis-benchmark.c b/src/redis-benchmark.c index 8d72573..d46b69a 100644 --- a/src/redis-benchmark.c +++ b/src/redis-benchmark.c @@ -1,681 +1,681 @@ -/* Redis benchmark utility. - * - * Copyright (c) 2009-2012, Salvatore Sanfilippo - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * * Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * * Neither the name of Redis nor the names of its contributors may be used - * to endorse or promote products derived from this software without - * specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -#include "fmacros.h" - -#include -#include -#include -#include -#include -#include -#include -#include - -#include "ae.h" -#include "hiredis.h" -#include "sds.h" -#include "adlist.h" -#include "zmalloc.h" - -#define REDIS_NOTUSED(V) ((void) V) - -static struct config { - aeEventLoop *el; - const char *hostip; - int hostport; - const char *hostsocket; - int numclients; - int liveclients; - int requests; - int requests_issued; - int requests_finished; - int keysize; - int datasize; - int randomkeys; - int randomkeys_keyspacelen; - int keepalive; - int pipeline; - long long start; - long long totlatency; - long long *latency; - const char *title; - list *clients; - int quiet; - int csv; - int loop; - int idlemode; - char *tests; -} config; - -typedef struct _client { - redisContext *context; - sds obuf; - char *randptr[32]; /* needed for MSET against 10 keys */ - size_t randlen; - unsigned int written; /* bytes of 'obuf' already written */ - long long start; /* start time of a request */ - long long latency; /* request latency */ - int pending; /* Number of pending requests (sent but no reply received) */ -} *client; - -/* Prototypes */ -static void writeHandler(aeEventLoop *el, int fd, void *privdata, int mask); -static void createMissingClients(client c); - -/* Implementation */ -static long long ustime(void) { - struct timeval tv; - long long ust; - - gettimeofday(&tv, NULL); - ust = ((long)tv.tv_sec)*1000000; - ust += tv.tv_usec; - return ust; -} - -static long long mstime(void) { - struct timeval tv; - long long mst; - - gettimeofday(&tv, NULL); - mst = ((long)tv.tv_sec)*1000; - mst += tv.tv_usec/1000; - return mst; -} - -static void freeClient(client c) { - listNode *ln; - aeDeleteFileEvent(config.el,c->context->fd,AE_WRITABLE); - aeDeleteFileEvent(config.el,c->context->fd,AE_READABLE); - redisFree(c->context); - sdsfree(c->obuf); - zfree(c); - config.liveclients--; - ln = listSearchKey(config.clients,c); - assert(ln != NULL); - listDelNode(config.clients,ln); -} - -static void freeAllClients(void) { - listNode *ln = config.clients->head, *next; - - while(ln) { - next = ln->next; - freeClient(ln->value); - ln = next; - } -} - -static void resetClient(client c) { - aeDeleteFileEvent(config.el,c->context->fd,AE_WRITABLE); - aeDeleteFileEvent(config.el,c->context->fd,AE_READABLE); - aeCreateFileEvent(config.el,c->context->fd,AE_WRITABLE,writeHandler,c); - c->written = 0; - c->pending = config.pipeline; -} - -static void randomizeClientKey(client c) { - char buf[32]; - size_t i, r; - - for (i = 0; i < c->randlen; i++) { - r = random() % config.randomkeys_keyspacelen; - snprintf(buf,sizeof(buf),"%012zu",r); - memcpy(c->randptr[i],buf,12); - } -} - -static void clientDone(client c) { - if (config.requests_finished == config.requests) { - freeClient(c); - aeStop(config.el); - return; - } - if (config.keepalive) { - resetClient(c); - } else { - config.liveclients--; - createMissingClients(c); - config.liveclients++; - freeClient(c); - } -} - -static void readHandler(aeEventLoop *el, int fd, void *privdata, int mask) { - client c = privdata; - void *reply = NULL; - REDIS_NOTUSED(el); - REDIS_NOTUSED(fd); - REDIS_NOTUSED(mask); - - /* Calculate latency only for the first read event. This means that the - * server already sent the reply and we need to parse it. Parsing overhead - * is not part of the latency, so calculate it only once, here. */ - if (c->latency < 0) c->latency = ustime()-(c->start); - - if (redisBufferRead(c->context) != REDIS_OK) { - fprintf(stderr,"Error: %s\n",c->context->errstr); - exit(1); - } else { - while(c->pending) { - if (redisGetReply(c->context,&reply) != REDIS_OK) { - fprintf(stderr,"Error: %s\n",c->context->errstr); - exit(1); - } - if (reply != NULL) { - if (reply == (void*)REDIS_REPLY_ERROR) { - fprintf(stderr,"Unexpected error reply, exiting...\n"); - exit(1); - } - - freeReplyObject(reply); - - if (config.requests_finished < config.requests) - config.latency[config.requests_finished++] = c->latency; - c->pending--; - if (c->pending == 0) { - clientDone(c); - break; - } - } else { - break; - } - } - } -} - -static void writeHandler(aeEventLoop *el, int fd, void *privdata, int mask) { - client c = privdata; - REDIS_NOTUSED(el); - REDIS_NOTUSED(fd); - REDIS_NOTUSED(mask); - - /* Initialize request when nothing was written. */ - if (c->written == 0) { - /* Enforce upper bound to number of requests. */ - if (config.requests_issued++ >= config.requests) { - freeClient(c); - return; - } - - /* Really initialize: randomize keys and set start time. */ - if (config.randomkeys) randomizeClientKey(c); - c->start = ustime(); - c->latency = -1; - } - - if (sdslen(c->obuf) > c->written) { - void *ptr = c->obuf+c->written; - int nwritten = write(c->context->fd,ptr,sdslen(c->obuf)-c->written); - if (nwritten == -1) { - if (errno != EPIPE) - fprintf(stderr, "Writing to socket: %s\n", strerror(errno)); - freeClient(c); - return; - } - c->written += nwritten; - if (sdslen(c->obuf) == c->written) { - aeDeleteFileEvent(config.el,c->context->fd,AE_WRITABLE); - aeCreateFileEvent(config.el,c->context->fd,AE_READABLE,readHandler,c); - } - } -} - -static client createClient(char *cmd, size_t len) { - int j; - client c = zmalloc(sizeof(struct _client)); - - if (config.hostsocket == NULL) { - c->context = redisConnectNonBlock(config.hostip,config.hostport); - } else { - c->context = redisConnectUnixNonBlock(config.hostsocket); - } - if (c->context->err) { - fprintf(stderr,"Could not connect to Redis at "); - if (config.hostsocket == NULL) - fprintf(stderr,"%s:%d: %s\n",config.hostip,config.hostport,c->context->errstr); - else - fprintf(stderr,"%s: %s\n",config.hostsocket,c->context->errstr); - exit(1); - } - /* Suppress hiredis cleanup of unused buffers for max speed. */ - c->context->reader->maxbuf = 0; - /* Queue N requests accordingly to the pipeline size. */ - c->obuf = sdsempty(); - for (j = 0; j < config.pipeline; j++) - c->obuf = sdscatlen(c->obuf,cmd,len); - c->randlen = 0; - c->written = 0; - c->pending = config.pipeline; - - /* Find substrings in the output buffer that need to be randomized. */ - if (config.randomkeys) { - char *p = c->obuf; - while ((p = strstr(p,":rand:")) != NULL) { - assert(c->randlen < (signed)(sizeof(c->randptr)/sizeof(char*))); - c->randptr[c->randlen++] = p+6; - p += 6; - } - } - -/* redisSetReplyObjectFunctions(c->context,NULL); */ - aeCreateFileEvent(config.el,c->context->fd,AE_WRITABLE,writeHandler,c); - listAddNodeTail(config.clients,c); - config.liveclients++; - return c; -} - -static void createMissingClients(client c) { - int n = 0; - - while(config.liveclients < config.numclients) { - createClient(c->obuf,sdslen(c->obuf)/config.pipeline); - - /* Listen backlog is quite limited on most systems */ - if (++n > 64) { - usleep(50000); - n = 0; - } - } -} - -static int compareLatency(const void *a, const void *b) { - return (*(long long*)a)-(*(long long*)b); -} - -static void showLatencyReport(void) { - int i, curlat = 0; - float perc, reqpersec; - - reqpersec = (float)config.requests_finished/((float)config.totlatency/1000); - if (!config.quiet && !config.csv) { - printf("====== %s ======\n", config.title); - printf(" %d requests completed in %.2f seconds\n", config.requests_finished, - (float)config.totlatency/1000); - printf(" %d parallel clients\n", config.numclients); - printf(" %d bytes payload\n", config.datasize); - printf(" keep alive: %d\n", config.keepalive); - printf("\n"); - - qsort(config.latency,config.requests,sizeof(long long),compareLatency); - for (i = 0; i < config.requests; i++) { - if (config.latency[i]/1000 != curlat || i == (config.requests-1)) { - curlat = config.latency[i]/1000; - perc = ((float)(i+1)*100)/config.requests; - printf("%.2f%% <= %d milliseconds\n", perc, curlat); - } - } - printf("%.2f requests per second\n\n", reqpersec); - } else if (config.csv) { - printf("\"%s\",\"%.2f\"\n", config.title, reqpersec); - } else { - printf("%s: %.2f requests per second\n", config.title, reqpersec); - } -} - -static void benchmark(char *title, char *cmd, int len) { - client c; - - config.title = title; - config.requests_issued = 0; - config.requests_finished = 0; - - c = createClient(cmd,len); - createMissingClients(c); - - config.start = mstime(); - aeMain(config.el); - config.totlatency = mstime()-config.start; - - showLatencyReport(); - freeAllClients(); -} - -/* Returns number of consumed options. */ -int parseOptions(int argc, const char **argv) { - int i; - int lastarg; - int exit_status = 1; - - for (i = 1; i < argc; i++) { - lastarg = (i == (argc-1)); - - if (!strcmp(argv[i],"-c")) { - if (lastarg) goto invalid; - config.numclients = atoi(argv[++i]); - } else if (!strcmp(argv[i],"-n")) { - if (lastarg) goto invalid; - config.requests = atoi(argv[++i]); - } else if (!strcmp(argv[i],"-k")) { - if (lastarg) goto invalid; - config.keepalive = atoi(argv[++i]); - } else if (!strcmp(argv[i],"-h")) { - if (lastarg) goto invalid; - config.hostip = strdup(argv[++i]); - } else if (!strcmp(argv[i],"-p")) { - if (lastarg) goto invalid; - config.hostport = atoi(argv[++i]); - } else if (!strcmp(argv[i],"-s")) { - if (lastarg) goto invalid; - config.hostsocket = strdup(argv[++i]); - } else if (!strcmp(argv[i],"-d")) { - if (lastarg) goto invalid; - config.datasize = atoi(argv[++i]); - if (config.datasize < 1) config.datasize=1; - if (config.datasize > 1024*1024*1024) config.datasize = 1024*1024*1024; - } else if (!strcmp(argv[i],"-P")) { - if (lastarg) goto invalid; - config.pipeline = atoi(argv[++i]); - if (config.pipeline <= 0) config.pipeline=1; - } else if (!strcmp(argv[i],"-r")) { - if (lastarg) goto invalid; - config.randomkeys = 1; - config.randomkeys_keyspacelen = atoi(argv[++i]); - if (config.randomkeys_keyspacelen < 0) - config.randomkeys_keyspacelen = 0; - } else if (!strcmp(argv[i],"-q")) { - config.quiet = 1; - } else if (!strcmp(argv[i],"--csv")) { - config.csv = 1; - } else if (!strcmp(argv[i],"-l")) { - config.loop = 1; - } else if (!strcmp(argv[i],"-I")) { - config.idlemode = 1; - } else if (!strcmp(argv[i],"-t")) { - if (lastarg) goto invalid; - /* We get the list of tests to run as a string in the form - * get,set,lrange,...,test_N. Then we add a comma before and - * after the string in order to make sure that searching - * for ",testname," will always get a match if the test is - * enabled. */ - config.tests = sdsnew(","); - config.tests = sdscat(config.tests,(char*)argv[++i]); - config.tests = sdscat(config.tests,","); - sdstolower(config.tests); - } else if (!strcmp(argv[i],"--help")) { - exit_status = 0; - goto usage; - } else { - /* Assume the user meant to provide an option when the arg starts - * with a dash. We're done otherwise and should use the remainder - * as the command and arguments for running the benchmark. */ - if (argv[i][0] == '-') goto invalid; - return i; - } - } - - return i; - -invalid: - printf("Invalid option \"%s\" or option argument missing\n\n",argv[i]); - -usage: - printf( -"Usage: redis-benchmark [-h ] [-p ] [-c ] [-n [-k ]\n\n" -" -h Server hostname (default 127.0.0.1)\n" -" -p Server port (default 6379)\n" -" -s Server socket (overrides host and port)\n" -" -c Number of parallel connections (default 50)\n" -" -n Total number of requests (default 10000)\n" -" -d Data size of SET/GET value in bytes (default 2)\n" -" -k 1=keep alive 0=reconnect (default 1)\n" -" -r Use random keys for SET/GET/INCR, random values for SADD\n" -" Using this option the benchmark will get/set keys\n" -" in the form mykey_rand:000000012456 instead of constant\n" -" keys, the argument determines the max\n" -" number of values for the random number. For instance\n" -" if set to 10 only rand:000000000000 - rand:000000000009\n" -" range will be allowed.\n" -" -P Pipeline requests. Default 1 (no pipeline).\n" -" -q Quiet. Just show query/sec values\n" -" --csv Output in CSV format\n" -" -l Loop. Run the tests forever\n" -" -t Only run the comma separated list of tests. The test\n" -" names are the same as the ones produced as output.\n" -" -I Idle mode. Just open N idle connections and wait.\n\n" -"Examples:\n\n" -" Run the benchmark with the default configuration against 127.0.0.1:6379:\n" -" $ redis-benchmark\n\n" -" Use 20 parallel clients, for a total of 100k requests, against 192.168.1.1:\n" -" $ redis-benchmark -h 192.168.1.1 -p 6379 -n 100000 -c 20\n\n" -" Fill 127.0.0.1:6379 with about 1 million keys only using the SET test:\n" -" $ redis-benchmark -t set -n 1000000 -r 100000000\n\n" -" Benchmark 127.0.0.1:6379 for a few commands producing CSV output:\n" -" $ redis-benchmark -t ping,set,get -n 100000 --csv\n\n" -" Fill a list with 10000 random elements:\n" -" $ redis-benchmark -r 10000 -n 10000 lpush mylist ele:rand:000000000000\n\n" - ); - exit(exit_status); -} - -int showThroughput(struct aeEventLoop *eventLoop, long long id, void *clientData) { - REDIS_NOTUSED(eventLoop); - REDIS_NOTUSED(id); - REDIS_NOTUSED(clientData); - - if (config.csv) return 250; - float dt = (float)(mstime()-config.start)/1000.0; - float rps = (float)config.requests_finished/dt; - printf("%s: %.2f\r", config.title, rps); - fflush(stdout); - return 250; /* every 250ms */ -} - -/* Return true if the named test was selected using the -t command line - * switch, or if all the tests are selected (no -t passed by user). */ -int test_is_selected(char *name) { - char buf[256]; - int l = strlen(name); - - if (config.tests == NULL) return 1; - buf[0] = ','; - memcpy(buf+1,name,l); - buf[l+1] = ','; - buf[l+2] = '\0'; - return strstr(config.tests,buf) != NULL; -} - -int main(int argc, const char **argv) { - int i; - char *data, *cmd; - int len; - - client c; - - signal(SIGHUP, SIG_IGN); - signal(SIGPIPE, SIG_IGN); - - config.numclients = 50; - config.requests = 10000; - config.liveclients = 0; - config.el = aeCreateEventLoop(1024*10); - aeCreateTimeEvent(config.el,1,showThroughput,NULL,NULL); - config.keepalive = 1; - config.datasize = 3; - config.pipeline = 1; - config.randomkeys = 0; - config.randomkeys_keyspacelen = 0; - config.quiet = 0; - config.csv = 0; - config.loop = 0; - config.idlemode = 0; - config.latency = NULL; - config.clients = listCreate(); - config.hostip = "127.0.0.1"; - config.hostport = 6379; - config.hostsocket = NULL; - config.tests = NULL; - - i = parseOptions(argc,argv); - argc -= i; - argv += i; - - config.latency = zmalloc(sizeof(long long)*config.requests); - - if (config.keepalive == 0) { - printf("WARNING: keepalive disabled, you probably need 'echo 1 > /proc/sys/net/ipv4/tcp_tw_reuse' for Linux and 'sudo sysctl -w net.inet.tcp.msl=1000' for Mac OS X in order to use a lot of clients/requests\n"); - } - - if (config.idlemode) { - printf("Creating %d idle connections and waiting forever (Ctrl+C when done)\n", config.numclients); - c = createClient("",0); /* will never receive a reply */ - createMissingClients(c); - aeMain(config.el); - /* and will wait for every */ - } - - /* Run benchmark with command in the remainder of the arguments. */ - if (argc) { - sds title = sdsnew(argv[0]); - for (i = 1; i < argc; i++) { - title = sdscatlen(title, " ", 1); - title = sdscatlen(title, (char*)argv[i], strlen(argv[i])); - } - - do { - len = redisFormatCommandArgv(&cmd,argc,argv,NULL); - benchmark(title,cmd,len); - free(cmd); - } while(config.loop); - - return 0; - } - - /* Run default benchmark suite. */ - do { - data = zmalloc(config.datasize+1); - memset(data,'x',config.datasize); - data[config.datasize] = '\0'; - - if (test_is_selected("ping_inline") || test_is_selected("ping")) - benchmark("PING_INLINE","PING\r\n",6); - - if (test_is_selected("ping_mbulk") || test_is_selected("ping")) { - len = redisFormatCommand(&cmd,"PING"); - benchmark("PING_BULK",cmd,len); - free(cmd); - } - - if (test_is_selected("set")) { - len = redisFormatCommand(&cmd,"SET foo:rand:000000000000 %s",data); - benchmark("SET",cmd,len); - free(cmd); - } - - if (test_is_selected("get")) { - len = redisFormatCommand(&cmd,"GET foo:rand:000000000000"); - benchmark("GET",cmd,len); - free(cmd); - } - - if (test_is_selected("incr")) { - len = redisFormatCommand(&cmd,"INCR counter:rand:000000000000"); - benchmark("INCR",cmd,len); - free(cmd); - } - - if (test_is_selected("lpush")) { - len = redisFormatCommand(&cmd,"LPUSH mylist %s",data); - benchmark("LPUSH",cmd,len); - free(cmd); - } - - if (test_is_selected("lpop")) { - len = redisFormatCommand(&cmd,"LPOP mylist"); - benchmark("LPOP",cmd,len); - free(cmd); - } - - if (test_is_selected("sadd")) { - len = redisFormatCommand(&cmd, - "SADD myset counter:rand:000000000000"); - benchmark("SADD",cmd,len); - free(cmd); - } - - if (test_is_selected("spop")) { - len = redisFormatCommand(&cmd,"SPOP myset"); - benchmark("SPOP",cmd,len); - free(cmd); - } - - if (test_is_selected("lrange") || - test_is_selected("lrange_100") || - test_is_selected("lrange_300") || - test_is_selected("lrange_500") || - test_is_selected("lrange_600")) - { - len = redisFormatCommand(&cmd,"LPUSH mylist %s",data); - benchmark("LPUSH (needed to benchmark LRANGE)",cmd,len); - free(cmd); - } - - if (test_is_selected("lrange") || test_is_selected("lrange_100")) { - len = redisFormatCommand(&cmd,"LRANGE mylist 0 99"); - benchmark("LRANGE_100 (first 100 elements)",cmd,len); - free(cmd); - } - - if (test_is_selected("lrange") || test_is_selected("lrange_300")) { - len = redisFormatCommand(&cmd,"LRANGE mylist 0 299"); - benchmark("LRANGE_300 (first 300 elements)",cmd,len); - free(cmd); - } - - if (test_is_selected("lrange") || test_is_selected("lrange_500")) { - len = redisFormatCommand(&cmd,"LRANGE mylist 0 449"); - benchmark("LRANGE_500 (first 450 elements)",cmd,len); - free(cmd); - } - - if (test_is_selected("lrange") || test_is_selected("lrange_600")) { - len = redisFormatCommand(&cmd,"LRANGE mylist 0 599"); - benchmark("LRANGE_600 (first 600 elements)",cmd,len); - free(cmd); - } - - if (test_is_selected("mset")) { - const char *argv[21]; - argv[0] = "MSET"; - for (i = 1; i < 21; i += 2) { - argv[i] = "foo:rand:000000000000"; - argv[i+1] = data; - } - len = redisFormatCommandArgv(&cmd,21,argv,NULL); - benchmark("MSET (10 keys)",cmd,len); - free(cmd); - } - - if (!config.csv) printf("\n"); - } while(config.loop); - - return 0; -} +/* Redis benchmark utility. + * + * Copyright (c) 2009-2012, Salvatore Sanfilippo + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of Redis nor the names of its contributors may be used + * to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include "fmacros.h" + +#include +#include +#include +#include +#include +#include +#include +#include + +#include "ae.h" +#include "hiredis.h" +#include "sds.h" +#include "adlist.h" +#include "zmalloc.h" + +#define REDIS_NOTUSED(V) ((void) V) + +static struct config { + aeEventLoop *el; + const char *hostip; + int hostport; + const char *hostsocket; + int numclients; + int liveclients; + int requests; + int requests_issued; + int requests_finished; + int keysize; + int datasize; + int randomkeys; + int randomkeys_keyspacelen; + int keepalive; + int pipeline; + long long start; + long long totlatency; + long long *latency; + const char *title; + list *clients; + int quiet; + int csv; + int loop; + int idlemode; + char *tests; +} config; + +typedef struct _client { + redisContext *context; + sds obuf; + char *randptr[32]; /* needed for MSET against 10 keys */ + size_t randlen; + unsigned int written; /* bytes of 'obuf' already written */ + long long start; /* start time of a request */ + long long latency; /* request latency */ + int pending; /* Number of pending requests (sent but no reply received) */ +} *client; + +/* Prototypes */ +static void writeHandler(aeEventLoop *el, int fd, void *privdata, int mask); +static void createMissingClients(client c); + +/* Implementation */ +static long long ustime(void) { + struct timeval tv; + long long ust; + + gettimeofday(&tv, NULL); + ust = ((long)tv.tv_sec)*1000000; + ust += tv.tv_usec; + return ust; +} + +static long long mstime(void) { + struct timeval tv; + long long mst; + + gettimeofday(&tv, NULL); + mst = ((long long)tv.tv_sec)*1000; + mst += tv.tv_usec/1000; + return mst; +} + +static void freeClient(client c) { + listNode *ln; + aeDeleteFileEvent(config.el,c->context->fd,AE_WRITABLE); + aeDeleteFileEvent(config.el,c->context->fd,AE_READABLE); + redisFree(c->context); + sdsfree(c->obuf); + zfree(c); + config.liveclients--; + ln = listSearchKey(config.clients,c); + assert(ln != NULL); + listDelNode(config.clients,ln); +} + +static void freeAllClients(void) { + listNode *ln = config.clients->head, *next; + + while(ln) { + next = ln->next; + freeClient(ln->value); + ln = next; + } +} + +static void resetClient(client c) { + aeDeleteFileEvent(config.el,c->context->fd,AE_WRITABLE); + aeDeleteFileEvent(config.el,c->context->fd,AE_READABLE); + aeCreateFileEvent(config.el,c->context->fd,AE_WRITABLE,writeHandler,c); + c->written = 0; + c->pending = config.pipeline; +} + +static void randomizeClientKey(client c) { + char buf[32]; + size_t i, r; + + for (i = 0; i < c->randlen; i++) { + r = random() % config.randomkeys_keyspacelen; + snprintf(buf,sizeof(buf),"%012zu",r); + memcpy(c->randptr[i],buf,12); + } +} + +static void clientDone(client c) { + if (config.requests_finished == config.requests) { + freeClient(c); + aeStop(config.el); + return; + } + if (config.keepalive) { + resetClient(c); + } else { + config.liveclients--; + createMissingClients(c); + config.liveclients++; + freeClient(c); + } +} + +static void readHandler(aeEventLoop *el, int fd, void *privdata, int mask) { + client c = privdata; + void *reply = NULL; + REDIS_NOTUSED(el); + REDIS_NOTUSED(fd); + REDIS_NOTUSED(mask); + + /* Calculate latency only for the first read event. This means that the + * server already sent the reply and we need to parse it. Parsing overhead + * is not part of the latency, so calculate it only once, here. */ + if (c->latency < 0) c->latency = ustime()-(c->start); + + if (redisBufferRead(c->context) != REDIS_OK) { + fprintf(stderr,"Error: %s\n",c->context->errstr); + exit(1); + } else { + while(c->pending) { + if (redisGetReply(c->context,&reply) != REDIS_OK) { + fprintf(stderr,"Error: %s\n",c->context->errstr); + exit(1); + } + if (reply != NULL) { + if (reply == (void*)REDIS_REPLY_ERROR) { + fprintf(stderr,"Unexpected error reply, exiting...\n"); + exit(1); + } + + freeReplyObject(reply); + + if (config.requests_finished < config.requests) + config.latency[config.requests_finished++] = c->latency; + c->pending--; + if (c->pending == 0) { + clientDone(c); + break; + } + } else { + break; + } + } + } +} + +static void writeHandler(aeEventLoop *el, int fd, void *privdata, int mask) { + client c = privdata; + REDIS_NOTUSED(el); + REDIS_NOTUSED(fd); + REDIS_NOTUSED(mask); + + /* Initialize request when nothing was written. */ + if (c->written == 0) { + /* Enforce upper bound to number of requests. */ + if (config.requests_issued++ >= config.requests) { + freeClient(c); + return; + } + + /* Really initialize: randomize keys and set start time. */ + if (config.randomkeys) randomizeClientKey(c); + c->start = ustime(); + c->latency = -1; + } + + if (sdslen(c->obuf) > c->written) { + void *ptr = c->obuf+c->written; + int nwritten = write(c->context->fd,ptr,sdslen(c->obuf)-c->written); + if (nwritten == -1) { + if (errno != EPIPE) + fprintf(stderr, "Writing to socket: %s\n", strerror(errno)); + freeClient(c); + return; + } + c->written += nwritten; + if (sdslen(c->obuf) == c->written) { + aeDeleteFileEvent(config.el,c->context->fd,AE_WRITABLE); + aeCreateFileEvent(config.el,c->context->fd,AE_READABLE,readHandler,c); + } + } +} + +static client createClient(char *cmd, size_t len) { + int j; + client c = zmalloc(sizeof(struct _client)); + + if (config.hostsocket == NULL) { + c->context = redisConnectNonBlock(config.hostip,config.hostport); + } else { + c->context = redisConnectUnixNonBlock(config.hostsocket); + } + if (c->context->err) { + fprintf(stderr,"Could not connect to Redis at "); + if (config.hostsocket == NULL) + fprintf(stderr,"%s:%d: %s\n",config.hostip,config.hostport,c->context->errstr); + else + fprintf(stderr,"%s: %s\n",config.hostsocket,c->context->errstr); + exit(1); + } + /* Suppress hiredis cleanup of unused buffers for max speed. */ + c->context->reader->maxbuf = 0; + /* Queue N requests accordingly to the pipeline size. */ + c->obuf = sdsempty(); + for (j = 0; j < config.pipeline; j++) + c->obuf = sdscatlen(c->obuf,cmd,len); + c->randlen = 0; + c->written = 0; + c->pending = config.pipeline; + + /* Find substrings in the output buffer that need to be randomized. */ + if (config.randomkeys) { + char *p = c->obuf; + while ((p = strstr(p,":rand:")) != NULL) { + assert(c->randlen < (signed)(sizeof(c->randptr)/sizeof(char*))); + c->randptr[c->randlen++] = p+6; + p += 6; + } + } + +/* redisSetReplyObjectFunctions(c->context,NULL); */ + aeCreateFileEvent(config.el,c->context->fd,AE_WRITABLE,writeHandler,c); + listAddNodeTail(config.clients,c); + config.liveclients++; + return c; +} + +static void createMissingClients(client c) { + int n = 0; + + while(config.liveclients < config.numclients) { + createClient(c->obuf,sdslen(c->obuf)/config.pipeline); + + /* Listen backlog is quite limited on most systems */ + if (++n > 64) { + usleep(50000); + n = 0; + } + } +} + +static int compareLatency(const void *a, const void *b) { + return (*(long long*)a)-(*(long long*)b); +} + +static void showLatencyReport(void) { + int i, curlat = 0; + float perc, reqpersec; + + reqpersec = (float)config.requests_finished/((float)config.totlatency/1000); + if (!config.quiet && !config.csv) { + printf("====== %s ======\n", config.title); + printf(" %d requests completed in %.2f seconds\n", config.requests_finished, + (float)config.totlatency/1000); + printf(" %d parallel clients\n", config.numclients); + printf(" %d bytes payload\n", config.datasize); + printf(" keep alive: %d\n", config.keepalive); + printf("\n"); + + qsort(config.latency,config.requests,sizeof(long long),compareLatency); + for (i = 0; i < config.requests; i++) { + if (config.latency[i]/1000 != curlat || i == (config.requests-1)) { + curlat = config.latency[i]/1000; + perc = ((float)(i+1)*100)/config.requests; + printf("%.2f%% <= %d milliseconds\n", perc, curlat); + } + } + printf("%.2f requests per second\n\n", reqpersec); + } else if (config.csv) { + printf("\"%s\",\"%.2f\"\n", config.title, reqpersec); + } else { + printf("%s: %.2f requests per second\n", config.title, reqpersec); + } +} + +static void benchmark(char *title, char *cmd, int len) { + client c; + + config.title = title; + config.requests_issued = 0; + config.requests_finished = 0; + + c = createClient(cmd,len); + createMissingClients(c); + + config.start = mstime(); + aeMain(config.el); + config.totlatency = mstime()-config.start; + + showLatencyReport(); + freeAllClients(); +} + +/* Returns number of consumed options. */ +int parseOptions(int argc, const char **argv) { + int i; + int lastarg; + int exit_status = 1; + + for (i = 1; i < argc; i++) { + lastarg = (i == (argc-1)); + + if (!strcmp(argv[i],"-c")) { + if (lastarg) goto invalid; + config.numclients = atoi(argv[++i]); + } else if (!strcmp(argv[i],"-n")) { + if (lastarg) goto invalid; + config.requests = atoi(argv[++i]); + } else if (!strcmp(argv[i],"-k")) { + if (lastarg) goto invalid; + config.keepalive = atoi(argv[++i]); + } else if (!strcmp(argv[i],"-h")) { + if (lastarg) goto invalid; + config.hostip = strdup(argv[++i]); + } else if (!strcmp(argv[i],"-p")) { + if (lastarg) goto invalid; + config.hostport = atoi(argv[++i]); + } else if (!strcmp(argv[i],"-s")) { + if (lastarg) goto invalid; + config.hostsocket = strdup(argv[++i]); + } else if (!strcmp(argv[i],"-d")) { + if (lastarg) goto invalid; + config.datasize = atoi(argv[++i]); + if (config.datasize < 1) config.datasize=1; + if (config.datasize > 1024*1024*1024) config.datasize = 1024*1024*1024; + } else if (!strcmp(argv[i],"-P")) { + if (lastarg) goto invalid; + config.pipeline = atoi(argv[++i]); + if (config.pipeline <= 0) config.pipeline=1; + } else if (!strcmp(argv[i],"-r")) { + if (lastarg) goto invalid; + config.randomkeys = 1; + config.randomkeys_keyspacelen = atoi(argv[++i]); + if (config.randomkeys_keyspacelen < 0) + config.randomkeys_keyspacelen = 0; + } else if (!strcmp(argv[i],"-q")) { + config.quiet = 1; + } else if (!strcmp(argv[i],"--csv")) { + config.csv = 1; + } else if (!strcmp(argv[i],"-l")) { + config.loop = 1; + } else if (!strcmp(argv[i],"-I")) { + config.idlemode = 1; + } else if (!strcmp(argv[i],"-t")) { + if (lastarg) goto invalid; + /* We get the list of tests to run as a string in the form + * get,set,lrange,...,test_N. Then we add a comma before and + * after the string in order to make sure that searching + * for ",testname," will always get a match if the test is + * enabled. */ + config.tests = sdsnew(","); + config.tests = sdscat(config.tests,(char*)argv[++i]); + config.tests = sdscat(config.tests,","); + sdstolower(config.tests); + } else if (!strcmp(argv[i],"--help")) { + exit_status = 0; + goto usage; + } else { + /* Assume the user meant to provide an option when the arg starts + * with a dash. We're done otherwise and should use the remainder + * as the command and arguments for running the benchmark. */ + if (argv[i][0] == '-') goto invalid; + return i; + } + } + + return i; + +invalid: + printf("Invalid option \"%s\" or option argument missing\n\n",argv[i]); + +usage: + printf( +"Usage: redis-benchmark [-h ] [-p ] [-c ] [-n [-k ]\n\n" +" -h Server hostname (default 127.0.0.1)\n" +" -p Server port (default 6379)\n" +" -s Server socket (overrides host and port)\n" +" -c Number of parallel connections (default 50)\n" +" -n Total number of requests (default 10000)\n" +" -d Data size of SET/GET value in bytes (default 2)\n" +" -k 1=keep alive 0=reconnect (default 1)\n" +" -r Use random keys for SET/GET/INCR, random values for SADD\n" +" Using this option the benchmark will get/set keys\n" +" in the form mykey_rand:000000012456 instead of constant\n" +" keys, the argument determines the max\n" +" number of values for the random number. For instance\n" +" if set to 10 only rand:000000000000 - rand:000000000009\n" +" range will be allowed.\n" +" -P Pipeline requests. Default 1 (no pipeline).\n" +" -q Quiet. Just show query/sec values\n" +" --csv Output in CSV format\n" +" -l Loop. Run the tests forever\n" +" -t Only run the comma separated list of tests. The test\n" +" names are the same as the ones produced as output.\n" +" -I Idle mode. Just open N idle connections and wait.\n\n" +"Examples:\n\n" +" Run the benchmark with the default configuration against 127.0.0.1:6379:\n" +" $ redis-benchmark\n\n" +" Use 20 parallel clients, for a total of 100k requests, against 192.168.1.1:\n" +" $ redis-benchmark -h 192.168.1.1 -p 6379 -n 100000 -c 20\n\n" +" Fill 127.0.0.1:6379 with about 1 million keys only using the SET test:\n" +" $ redis-benchmark -t set -n 1000000 -r 100000000\n\n" +" Benchmark 127.0.0.1:6379 for a few commands producing CSV output:\n" +" $ redis-benchmark -t ping,set,get -n 100000 --csv\n\n" +" Fill a list with 10000 random elements:\n" +" $ redis-benchmark -r 10000 -n 10000 lpush mylist ele:rand:000000000000\n\n" + ); + exit(exit_status); +} + +int showThroughput(struct aeEventLoop *eventLoop, long long id, void *clientData) { + REDIS_NOTUSED(eventLoop); + REDIS_NOTUSED(id); + REDIS_NOTUSED(clientData); + + if (config.csv) return 250; + float dt = (float)(mstime()-config.start)/1000.0; + float rps = (float)config.requests_finished/dt; + printf("%s: %.2f\r", config.title, rps); + fflush(stdout); + return 250; /* every 250ms */ +} + +/* Return true if the named test was selected using the -t command line + * switch, or if all the tests are selected (no -t passed by user). */ +int test_is_selected(char *name) { + char buf[256]; + int l = strlen(name); + + if (config.tests == NULL) return 1; + buf[0] = ','; + memcpy(buf+1,name,l); + buf[l+1] = ','; + buf[l+2] = '\0'; + return strstr(config.tests,buf) != NULL; +} + +int main(int argc, const char **argv) { + int i; + char *data, *cmd; + int len; + + client c; + + signal(SIGHUP, SIG_IGN); + signal(SIGPIPE, SIG_IGN); + + config.numclients = 50; + config.requests = 10000; + config.liveclients = 0; + config.el = aeCreateEventLoop(1024*10); + aeCreateTimeEvent(config.el,1,showThroughput,NULL,NULL); + config.keepalive = 1; + config.datasize = 3; + config.pipeline = 1; + config.randomkeys = 0; + config.randomkeys_keyspacelen = 0; + config.quiet = 0; + config.csv = 0; + config.loop = 0; + config.idlemode = 0; + config.latency = NULL; + config.clients = listCreate(); + config.hostip = "127.0.0.1"; + config.hostport = 6379; + config.hostsocket = NULL; + config.tests = NULL; + + i = parseOptions(argc,argv); + argc -= i; + argv += i; + + config.latency = zmalloc(sizeof(long long)*config.requests); + + if (config.keepalive == 0) { + printf("WARNING: keepalive disabled, you probably need 'echo 1 > /proc/sys/net/ipv4/tcp_tw_reuse' for Linux and 'sudo sysctl -w net.inet.tcp.msl=1000' for Mac OS X in order to use a lot of clients/requests\n"); + } + + if (config.idlemode) { + printf("Creating %d idle connections and waiting forever (Ctrl+C when done)\n", config.numclients); + c = createClient("",0); /* will never receive a reply */ + createMissingClients(c); + aeMain(config.el); + /* and will wait for every */ + } + + /* Run benchmark with command in the remainder of the arguments. */ + if (argc) { + sds title = sdsnew(argv[0]); + for (i = 1; i < argc; i++) { + title = sdscatlen(title, " ", 1); + title = sdscatlen(title, (char*)argv[i], strlen(argv[i])); + } + + do { + len = redisFormatCommandArgv(&cmd,argc,argv,NULL); + benchmark(title,cmd,len); + free(cmd); + } while(config.loop); + + return 0; + } + + /* Run default benchmark suite. */ + do { + data = zmalloc(config.datasize+1); + memset(data,'x',config.datasize); + data[config.datasize] = '\0'; + + if (test_is_selected("ping_inline") || test_is_selected("ping")) + benchmark("PING_INLINE","PING\r\n",6); + + if (test_is_selected("ping_mbulk") || test_is_selected("ping")) { + len = redisFormatCommand(&cmd,"PING"); + benchmark("PING_BULK",cmd,len); + free(cmd); + } + + if (test_is_selected("set")) { + len = redisFormatCommand(&cmd,"SET foo:rand:000000000000 %s",data); + benchmark("SET",cmd,len); + free(cmd); + } + + if (test_is_selected("get")) { + len = redisFormatCommand(&cmd,"GET foo:rand:000000000000"); + benchmark("GET",cmd,len); + free(cmd); + } + + if (test_is_selected("incr")) { + len = redisFormatCommand(&cmd,"INCR counter:rand:000000000000"); + benchmark("INCR",cmd,len); + free(cmd); + } + + if (test_is_selected("lpush")) { + len = redisFormatCommand(&cmd,"LPUSH mylist %s",data); + benchmark("LPUSH",cmd,len); + free(cmd); + } + + if (test_is_selected("lpop")) { + len = redisFormatCommand(&cmd,"LPOP mylist"); + benchmark("LPOP",cmd,len); + free(cmd); + } + + if (test_is_selected("sadd")) { + len = redisFormatCommand(&cmd, + "SADD myset counter:rand:000000000000"); + benchmark("SADD",cmd,len); + free(cmd); + } + + if (test_is_selected("spop")) { + len = redisFormatCommand(&cmd,"SPOP myset"); + benchmark("SPOP",cmd,len); + free(cmd); + } + + if (test_is_selected("lrange") || + test_is_selected("lrange_100") || + test_is_selected("lrange_300") || + test_is_selected("lrange_500") || + test_is_selected("lrange_600")) + { + len = redisFormatCommand(&cmd,"LPUSH mylist %s",data); + benchmark("LPUSH (needed to benchmark LRANGE)",cmd,len); + free(cmd); + } + + if (test_is_selected("lrange") || test_is_selected("lrange_100")) { + len = redisFormatCommand(&cmd,"LRANGE mylist 0 99"); + benchmark("LRANGE_100 (first 100 elements)",cmd,len); + free(cmd); + } + + if (test_is_selected("lrange") || test_is_selected("lrange_300")) { + len = redisFormatCommand(&cmd,"LRANGE mylist 0 299"); + benchmark("LRANGE_300 (first 300 elements)",cmd,len); + free(cmd); + } + + if (test_is_selected("lrange") || test_is_selected("lrange_500")) { + len = redisFormatCommand(&cmd,"LRANGE mylist 0 449"); + benchmark("LRANGE_500 (first 450 elements)",cmd,len); + free(cmd); + } + + if (test_is_selected("lrange") || test_is_selected("lrange_600")) { + len = redisFormatCommand(&cmd,"LRANGE mylist 0 599"); + benchmark("LRANGE_600 (first 600 elements)",cmd,len); + free(cmd); + } + + if (test_is_selected("mset")) { + const char *argv[21]; + argv[0] = "MSET"; + for (i = 1; i < 21; i += 2) { + argv[i] = "foo:rand:000000000000"; + argv[i+1] = data; + } + len = redisFormatCommandArgv(&cmd,21,argv,NULL); + benchmark("MSET (10 keys)",cmd,len); + free(cmd); + } + + if (!config.csv) printf("\n"); + } while(config.loop); + + return 0; +} diff --git a/src/redis-check-dump.c b/src/redis-check-dump.c index 7efecb1..85ab9b9 100644 --- a/src/redis-check-dump.c +++ b/src/redis-check-dump.c @@ -78,7 +78,7 @@ * number specify the kind of object that follows. * See the REDIS_RDB_ENC_* defines. * - * Lenghts up to 63 are stored using a single byte, most DB keys, and may + * Lengths up to 63 are stored using a single byte, most DB keys, and may * values, will fit inside. */ #define REDIS_RDB_6BITLEN 0 #define REDIS_RDB_14BITLEN 1 @@ -132,7 +132,7 @@ typedef struct { char success; } entry; -/* Global vars that are actally used as constants. The following double +/* Global vars that are actually used as constants. The following double * values are used for double on-disk serialization, and are initialized * at runtime to avoid strange compiler optimizations. */ static double R_Zero, R_PosInf, R_NegInf, R_Nan; diff --git a/src/redis-cli.c b/src/redis-cli.c index e8c6be5..bfb5da4 100644 --- a/src/redis-cli.c +++ b/src/redis-cli.c @@ -1,1261 +1,1555 @@ -/* Redis CLI (command line interface) - * - * Copyright (c) 2009-2012, Salvatore Sanfilippo - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * * Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * * Neither the name of Redis nor the names of its contributors may be used - * to endorse or promote products derived from this software without - * specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -#include "fmacros.h" -#include "version.h" - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include "hiredis.h" -#include "sds.h" -#include "zmalloc.h" -#include "linenoise.h" -#include "help.h" -#include "anet.h" -#include "ae.h" - -#define REDIS_NOTUSED(V) ((void) V) - -#define OUTPUT_STANDARD 0 -#define OUTPUT_RAW 1 -#define OUTPUT_CSV 2 - -static redisContext *context; -static struct config { - char *hostip; - int hostport; - char *hostsocket; - long repeat; - long interval; - int dbnum; - int interactive; - int shutdown; - int monitor_mode; - int pubsub_mode; - int latency_mode; - int cluster_mode; - int cluster_reissue_command; - int slave_mode; - int pipe_mode; - int bigkeys; - int stdinarg; /* get last arg from stdin. (-x option) */ - char *auth; - int output; /* output mode, see OUTPUT_* defines */ - sds mb_delim; - char prompt[128]; - char *eval; -} config; - -static void usage(); -char *redisGitSHA1(void); -char *redisGitDirty(void); - -/*------------------------------------------------------------------------------ - * Utility functions - *--------------------------------------------------------------------------- */ - -static long long mstime(void) { - struct timeval tv; - long long mst; - - gettimeofday(&tv, NULL); - mst = ((long)tv.tv_sec)*1000; - mst += tv.tv_usec/1000; - return mst; -} - -static void cliRefreshPrompt(void) { - int len; - - if (config.hostsocket != NULL) - len = snprintf(config.prompt,sizeof(config.prompt),"redis %s", - config.hostsocket); - else - len = snprintf(config.prompt,sizeof(config.prompt),"redis %s:%d", - config.hostip, config.hostport); - /* Add [dbnum] if needed */ - if (config.dbnum != 0) - len += snprintf(config.prompt+len,sizeof(config.prompt)-len,"[%d]", - config.dbnum); - snprintf(config.prompt+len,sizeof(config.prompt)-len,"> "); -} - -/*------------------------------------------------------------------------------ - * Help functions - *--------------------------------------------------------------------------- */ - -#define CLI_HELP_COMMAND 1 -#define CLI_HELP_GROUP 2 - -typedef struct { - int type; - int argc; - sds *argv; - sds full; - - /* Only used for help on commands */ - struct commandHelp *org; -} helpEntry; - -static helpEntry *helpEntries; -static int helpEntriesLen; - -static sds cliVersion() { - sds version; - version = sdscatprintf(sdsempty(), "%s", REDIS_VERSION); - - /* Add git commit and working tree status when available */ - if (strtoll(redisGitSHA1(),NULL,16)) { - version = sdscatprintf(version, " (git:%s", redisGitSHA1()); - if (strtoll(redisGitDirty(),NULL,10)) - version = sdscatprintf(version, "-dirty"); - version = sdscat(version, ")"); - } - return version; -} - -static void cliInitHelp() { - int commandslen = sizeof(commandHelp)/sizeof(struct commandHelp); - int groupslen = sizeof(commandGroups)/sizeof(char*); - int i, len, pos = 0; - helpEntry tmp; - - helpEntriesLen = len = commandslen+groupslen; - helpEntries = malloc(sizeof(helpEntry)*len); - - for (i = 0; i < groupslen; i++) { - tmp.argc = 1; - tmp.argv = malloc(sizeof(sds)); - tmp.argv[0] = sdscatprintf(sdsempty(),"@%s",commandGroups[i]); - tmp.full = tmp.argv[0]; - tmp.type = CLI_HELP_GROUP; - tmp.org = NULL; - helpEntries[pos++] = tmp; - } - - for (i = 0; i < commandslen; i++) { - tmp.argv = sdssplitargs(commandHelp[i].name,&tmp.argc); - tmp.full = sdsnew(commandHelp[i].name); - tmp.type = CLI_HELP_COMMAND; - tmp.org = &commandHelp[i]; - helpEntries[pos++] = tmp; - } -} - -/* Output command help to stdout. */ -static void cliOutputCommandHelp(struct commandHelp *help, int group) { - printf("\r\n \x1b[1m%s\x1b[0m \x1b[90m%s\x1b[0m\r\n", help->name, help->params); - printf(" \x1b[33msummary:\x1b[0m %s\r\n", help->summary); - printf(" \x1b[33msince:\x1b[0m %s\r\n", help->since); - if (group) { - printf(" \x1b[33mgroup:\x1b[0m %s\r\n", commandGroups[help->group]); - } -} - -/* Print generic help. */ -static void cliOutputGenericHelp() { - sds version = cliVersion(); - printf( - "redis-cli %s\r\n" - "Type: \"help @\" to get a list of commands in \r\n" - " \"help \" for help on \r\n" - " \"help \" to get a list of possible help topics\r\n" - " \"quit\" to exit\r\n", - version - ); - sdsfree(version); -} - -/* Output all command help, filtering by group or command name. */ -static void cliOutputHelp(int argc, char **argv) { - int i, j, len; - int group = -1; - helpEntry *entry; - struct commandHelp *help; - - if (argc == 0) { - cliOutputGenericHelp(); - return; - } else if (argc > 0 && argv[0][0] == '@') { - len = sizeof(commandGroups)/sizeof(char*); - for (i = 0; i < len; i++) { - if (strcasecmp(argv[0]+1,commandGroups[i]) == 0) { - group = i; - break; - } - } - } - - assert(argc > 0); - for (i = 0; i < helpEntriesLen; i++) { - entry = &helpEntries[i]; - if (entry->type != CLI_HELP_COMMAND) continue; - - help = entry->org; - if (group == -1) { - /* Compare all arguments */ - if (argc == entry->argc) { - for (j = 0; j < argc; j++) { - if (strcasecmp(argv[j],entry->argv[j]) != 0) break; - } - if (j == argc) { - cliOutputCommandHelp(help,1); - } - } - } else { - if (group == help->group) { - cliOutputCommandHelp(help,0); - } - } - } - printf("\r\n"); -} - -static void completionCallback(const char *buf, linenoiseCompletions *lc) { - size_t startpos = 0; - int mask; - int i; - size_t matchlen; - sds tmp; - - if (strncasecmp(buf,"help ",5) == 0) { - startpos = 5; - while (isspace(buf[startpos])) startpos++; - mask = CLI_HELP_COMMAND | CLI_HELP_GROUP; - } else { - mask = CLI_HELP_COMMAND; - } - - for (i = 0; i < helpEntriesLen; i++) { - if (!(helpEntries[i].type & mask)) continue; - - matchlen = strlen(buf+startpos); - if (strncasecmp(buf+startpos,helpEntries[i].full,matchlen) == 0) { - tmp = sdsnewlen(buf,startpos); - tmp = sdscat(tmp,helpEntries[i].full); - linenoiseAddCompletion(lc,tmp); - sdsfree(tmp); - } - } -} - -/*------------------------------------------------------------------------------ - * Networking / parsing - *--------------------------------------------------------------------------- */ - -/* Send AUTH command to the server */ -static int cliAuth() { - redisReply *reply; - if (config.auth == NULL) return REDIS_OK; - - reply = redisCommand(context,"AUTH %s",config.auth); - if (reply != NULL) { - freeReplyObject(reply); - return REDIS_OK; - } - return REDIS_ERR; -} - -/* Send SELECT dbnum to the server */ -static int cliSelect() { - redisReply *reply; - if (config.dbnum == 0) return REDIS_OK; - - reply = redisCommand(context,"SELECT %d",config.dbnum); - if (reply != NULL) { - freeReplyObject(reply); - return REDIS_OK; - } - return REDIS_ERR; -} - -/* Connect to the client. If force is not zero the connection is performed - * even if there is already a connected socket. */ -static int cliConnect(int force) { - if (context == NULL || force) { - if (context != NULL) - redisFree(context); - - if (config.hostsocket == NULL) { - context = redisConnect(config.hostip,config.hostport); - } else { - context = redisConnectUnix(config.hostsocket); - } - - if (context->err) { - fprintf(stderr,"Could not connect to Redis at "); - if (config.hostsocket == NULL) - fprintf(stderr,"%s:%d: %s\n",config.hostip,config.hostport,context->errstr); - else - fprintf(stderr,"%s: %s\n",config.hostsocket,context->errstr); - redisFree(context); - context = NULL; - return REDIS_ERR; - } - - /* Do AUTH and select the right DB. */ - if (cliAuth() != REDIS_OK) - return REDIS_ERR; - if (cliSelect() != REDIS_OK) - return REDIS_ERR; - } - return REDIS_OK; -} - -static void cliPrintContextError() { - if (context == NULL) return; - fprintf(stderr,"Error: %s\n",context->errstr); -} - -static sds cliFormatReplyTTY(redisReply *r, char *prefix) { - sds out = sdsempty(); - switch (r->type) { - case REDIS_REPLY_ERROR: - out = sdscatprintf(out,"(error) %s\n", r->str); - break; - case REDIS_REPLY_STATUS: - out = sdscat(out,r->str); - out = sdscat(out,"\n"); - break; - case REDIS_REPLY_INTEGER: - out = sdscatprintf(out,"(integer) %lld\n",r->integer); - break; - case REDIS_REPLY_STRING: - /* If you are producing output for the standard output we want - * a more interesting output with quoted characters and so forth */ - out = sdscatrepr(out,r->str,r->len); - out = sdscat(out,"\n"); - break; - case REDIS_REPLY_NIL: - out = sdscat(out,"(nil)\n"); - break; - case REDIS_REPLY_ARRAY: - if (r->elements == 0) { - out = sdscat(out,"(empty list or set)\n"); - } else { - unsigned int i, idxlen = 0; - char _prefixlen[16]; - char _prefixfmt[16]; - sds _prefix; - sds tmp; - - /* Calculate chars needed to represent the largest index */ - i = r->elements; - do { - idxlen++; - i /= 10; - } while(i); - - /* Prefix for nested multi bulks should grow with idxlen+2 spaces */ - memset(_prefixlen,' ',idxlen+2); - _prefixlen[idxlen+2] = '\0'; - _prefix = sdscat(sdsnew(prefix),_prefixlen); - - /* Setup prefix format for every entry */ - snprintf(_prefixfmt,sizeof(_prefixfmt),"%%s%%%dd) ",idxlen); - - for (i = 0; i < r->elements; i++) { - /* Don't use the prefix for the first element, as the parent - * caller already prepended the index number. */ - out = sdscatprintf(out,_prefixfmt,i == 0 ? "" : prefix,i+1); - - /* Format the multi bulk entry */ - tmp = cliFormatReplyTTY(r->element[i],_prefix); - out = sdscatlen(out,tmp,sdslen(tmp)); - sdsfree(tmp); - } - sdsfree(_prefix); - } - break; - default: - fprintf(stderr,"Unknown reply type: %d\n", r->type); - exit(1); - } - return out; -} - -static sds cliFormatReplyRaw(redisReply *r) { - sds out = sdsempty(), tmp; - size_t i; - - switch (r->type) { - case REDIS_REPLY_NIL: - /* Nothing... */ - break; - case REDIS_REPLY_ERROR: - out = sdscatlen(out,r->str,r->len); - out = sdscatlen(out,"\n",1); - break; - case REDIS_REPLY_STATUS: - case REDIS_REPLY_STRING: - out = sdscatlen(out,r->str,r->len); - break; - case REDIS_REPLY_INTEGER: - out = sdscatprintf(out,"%lld",r->integer); - break; - case REDIS_REPLY_ARRAY: - for (i = 0; i < r->elements; i++) { - if (i > 0) out = sdscat(out,config.mb_delim); - tmp = cliFormatReplyRaw(r->element[i]); - out = sdscatlen(out,tmp,sdslen(tmp)); - sdsfree(tmp); - } - break; - default: - fprintf(stderr,"Unknown reply type: %d\n", r->type); - exit(1); - } - return out; -} - -static sds cliFormatReplyCSV(redisReply *r) { - unsigned int i; - - sds out = sdsempty(); - switch (r->type) { - case REDIS_REPLY_ERROR: - out = sdscat(out,"ERROR,"); - out = sdscatrepr(out,r->str,strlen(r->str)); - break; - case REDIS_REPLY_STATUS: - out = sdscatrepr(out,r->str,r->len); - break; - case REDIS_REPLY_INTEGER: - out = sdscatprintf(out,"%lld",r->integer); - break; - case REDIS_REPLY_STRING: - out = sdscatrepr(out,r->str,r->len); - break; - case REDIS_REPLY_NIL: - out = sdscat(out,"NIL\n"); - break; - case REDIS_REPLY_ARRAY: - for (i = 0; i < r->elements; i++) { - sds tmp = cliFormatReplyCSV(r->element[i]); - out = sdscatlen(out,tmp,sdslen(tmp)); - if (i != r->elements-1) out = sdscat(out,","); - sdsfree(tmp); - } - break; - default: - fprintf(stderr,"Unknown reply type: %d\n", r->type); - exit(1); - } - return out; -} - -static int cliReadReply(int output_raw_strings) { - void *_reply; - redisReply *reply; - sds out = NULL; - int output = 1; - - if (redisGetReply(context,&_reply) != REDIS_OK) { - if (config.shutdown) - return REDIS_OK; - if (config.interactive) { - /* Filter cases where we should reconnect */ - if (context->err == REDIS_ERR_IO && errno == ECONNRESET) - return REDIS_ERR; - if (context->err == REDIS_ERR_EOF) - return REDIS_ERR; - } - cliPrintContextError(); - exit(1); - return REDIS_ERR; /* avoid compiler warning */ - } - - reply = (redisReply*)_reply; - - /* Check if we need to connect to a different node and reissue the - * request. */ - if (config.cluster_mode && reply->type == REDIS_REPLY_ERROR && - (!strncmp(reply->str,"MOVED",5) || !strcmp(reply->str,"ASK"))) - { - char *p = reply->str, *s; - int slot; - - output = 0; - /* Comments show the position of the pointer as: - * - * [S] for pointer 's' - * [P] for pointer 'p' - */ - s = strchr(p,' '); /* MOVED[S]3999 127.0.0.1:6381 */ - p = strchr(s+1,' '); /* MOVED[S]3999[P]127.0.0.1:6381 */ - *p = '\0'; - slot = atoi(s+1); - s = strchr(p+1,':'); /* MOVED 3999[P]127.0.0.1[S]6381 */ - *s = '\0'; - sdsfree(config.hostip); - config.hostip = sdsnew(p+1); - config.hostport = atoi(s+1); - if (config.interactive) - printf("-> Redirected to slot [%d] located at %s:%d\n", - slot, config.hostip, config.hostport); - config.cluster_reissue_command = 1; - } - - if (output) { - if (output_raw_strings) { - out = cliFormatReplyRaw(reply); - } else { - if (config.output == OUTPUT_RAW) { - out = cliFormatReplyRaw(reply); - out = sdscat(out,"\n"); - } else if (config.output == OUTPUT_STANDARD) { - out = cliFormatReplyTTY(reply,""); - } else if (config.output == OUTPUT_CSV) { - out = cliFormatReplyCSV(reply); - out = sdscat(out,"\n"); - } - } - fwrite(out,sdslen(out),1,stdout); - sdsfree(out); - } - freeReplyObject(reply); - return REDIS_OK; -} - -static int cliSendCommand(int argc, char **argv, int repeat) { - char *command = argv[0]; - size_t *argvlen; - int j, output_raw; - - if (!strcasecmp(command,"help") || !strcasecmp(command,"?")) { - cliOutputHelp(--argc, ++argv); - return REDIS_OK; - } - - if (context == NULL) return REDIS_ERR; - - output_raw = 0; - if (!strcasecmp(command,"info") || - (argc == 2 && !strcasecmp(command,"cluster") && - (!strcasecmp(argv[1],"nodes") || - !strcasecmp(argv[1],"info"))) || - (argc == 2 && !strcasecmp(command,"client") && - !strcasecmp(argv[1],"list"))) - - { - output_raw = 1; - } - - if (!strcasecmp(command,"shutdown")) config.shutdown = 1; - if (!strcasecmp(command,"monitor")) config.monitor_mode = 1; - if (!strcasecmp(command,"subscribe") || - !strcasecmp(command,"psubscribe")) config.pubsub_mode = 1; - - /* Setup argument length */ - argvlen = malloc(argc*sizeof(size_t)); - for (j = 0; j < argc; j++) - argvlen[j] = sdslen(argv[j]); - - while(repeat--) { - redisAppendCommandArgv(context,argc,(const char**)argv,argvlen); - while (config.monitor_mode) { - if (cliReadReply(output_raw) != REDIS_OK) exit(1); - fflush(stdout); - } - - if (config.pubsub_mode) { - if (config.output != OUTPUT_RAW) - printf("Reading messages... (press Ctrl-C to quit)\n"); - while (1) { - if (cliReadReply(output_raw) != REDIS_OK) exit(1); - } - } - - if (cliReadReply(output_raw) != REDIS_OK) { - free(argvlen); - return REDIS_ERR; - } else { - /* Store database number when SELECT was successfully executed. */ - if (!strcasecmp(command,"select") && argc == 2) { - config.dbnum = atoi(argv[1]); - cliRefreshPrompt(); - } - } - if (config.interval) usleep(config.interval); - fflush(stdout); /* Make it grep friendly */ - } - - free(argvlen); - return REDIS_OK; -} - -/*------------------------------------------------------------------------------ - * User interface - *--------------------------------------------------------------------------- */ - -static int parseOptions(int argc, char **argv) { - int i; - - for (i = 1; i < argc; i++) { - int lastarg = i==argc-1; - - if (!strcmp(argv[i],"-h") && !lastarg) { - sdsfree(config.hostip); - config.hostip = sdsnew(argv[++i]); - } else if (!strcmp(argv[i],"-h") && lastarg) { - usage(); - } else if (!strcmp(argv[i],"--help")) { - usage(); - } else if (!strcmp(argv[i],"-x")) { - config.stdinarg = 1; - } else if (!strcmp(argv[i],"-p") && !lastarg) { - config.hostport = atoi(argv[++i]); - } else if (!strcmp(argv[i],"-s") && !lastarg) { - config.hostsocket = argv[++i]; - } else if (!strcmp(argv[i],"-r") && !lastarg) { - config.repeat = strtoll(argv[++i],NULL,10); - } else if (!strcmp(argv[i],"-i") && !lastarg) { - double seconds = atof(argv[++i]); - config.interval = seconds*1000000; - } else if (!strcmp(argv[i],"-n") && !lastarg) { - config.dbnum = atoi(argv[++i]); - } else if (!strcmp(argv[i],"-a") && !lastarg) { - config.auth = argv[++i]; - } else if (!strcmp(argv[i],"--raw")) { - config.output = OUTPUT_RAW; - } else if (!strcmp(argv[i],"--csv")) { - config.output = OUTPUT_CSV; - } else if (!strcmp(argv[i],"--latency")) { - config.latency_mode = 1; - } else if (!strcmp(argv[i],"--slave")) { - config.slave_mode = 1; - } else if (!strcmp(argv[i],"--pipe")) { - config.pipe_mode = 1; - } else if (!strcmp(argv[i],"--bigkeys")) { - config.bigkeys = 1; - } else if (!strcmp(argv[i],"--eval") && !lastarg) { - config.eval = argv[++i]; - } else if (!strcmp(argv[i],"-c")) { - config.cluster_mode = 1; - } else if (!strcmp(argv[i],"-d") && !lastarg) { - sdsfree(config.mb_delim); - config.mb_delim = sdsnew(argv[++i]); - } else if (!strcmp(argv[i],"-v") || !strcmp(argv[i], "--version")) { - sds version = cliVersion(); - printf("redis-cli %s\n", version); - sdsfree(version); - exit(0); - } else { - break; - } - } - return i; -} - -static sds readArgFromStdin(void) { - char buf[1024]; - sds arg = sdsempty(); - - while(1) { - int nread = read(fileno(stdin),buf,1024); - - if (nread == 0) break; - else if (nread == -1) { - perror("Reading from standard input"); - exit(1); - } - arg = sdscatlen(arg,buf,nread); - } - return arg; -} - -static void usage() { - sds version = cliVersion(); - fprintf(stderr, -"redis-cli %s\n" -"\n" -"Usage: redis-cli [OPTIONS] [cmd [arg [arg ...]]]\n" -" -h Server hostname (default: 127.0.0.1)\n" -" -p Server port (default: 6379)\n" -" -s Server socket (overrides hostname and port)\n" -" -a Password to use when connecting to the server\n" -" -r Execute specified command N times\n" -" -i When -r is used, waits seconds per command.\n" -" It is possible to specify sub-second times like -i 0.1\n" -" -n Database number\n" -" -x Read last argument from STDIN\n" -" -d Multi-bulk delimiter in for raw formatting (default: \\n)\n" -" -c Enable cluster mode (follow -ASK and -MOVED redirections)\n" -" --raw Use raw formatting for replies (default when STDOUT is not a tty)\n" -" --latency Enter a special mode continuously sampling latency\n" -" --slave Simulate a slave showing commands received from the master\n" -" --pipe Transfer raw Redis protocol from stdin to server\n" -" --bigkeys Sample Redis keys looking for big keys\n" -" --eval Send an EVAL command using the Lua script at \n" -" --help Output this help and exit\n" -" --version Output version and exit\n" -"\n" -"Examples:\n" -" cat /etc/passwd | redis-cli -x set mypasswd\n" -" redis-cli get mypasswd\n" -" redis-cli -r 100 lpush mylist x\n" -" redis-cli -r 100 -i 1 info | grep used_memory_human:\n" -" redis-cli --eval myscript.lua key1 key2 , arg1 arg2 arg3\n" -" (Note: when using --eval the comma separates KEYS[] from ARGV[] items)\n" -"\n" -"When no command is given, redis-cli starts in interactive mode.\n" -"Type \"help\" in interactive mode for information on available commands.\n" -"\n", - version); - sdsfree(version); - exit(1); -} - -/* Turn the plain C strings into Sds strings */ -static char **convertToSds(int count, char** args) { - int j; - char **sds = zmalloc(sizeof(char*)*count); - - for(j = 0; j < count; j++) - sds[j] = sdsnew(args[j]); - - return sds; -} - -#define LINE_BUFLEN 4096 -static void repl() { - sds historyfile = NULL; - int history = 0; - char *line; - int argc; - sds *argv; - - config.interactive = 1; - linenoiseSetCompletionCallback(completionCallback); - - /* Only use history when stdin is a tty. */ - if (isatty(fileno(stdin))) { - history = 1; - - if (getenv("HOME") != NULL) { - historyfile = sdscatprintf(sdsempty(),"%s/.rediscli_history",getenv("HOME")); - linenoiseHistoryLoad(historyfile); - } - } - - cliRefreshPrompt(); - while((line = linenoise(context ? config.prompt : "not connected> ")) != NULL) { - if (line[0] != '\0') { - argv = sdssplitargs(line,&argc); - if (history) linenoiseHistoryAdd(line); - if (historyfile) linenoiseHistorySave(historyfile); - - if (argv == NULL) { - printf("Invalid argument(s)\n"); - free(line); - continue; - } else if (argc > 0) { - if (strcasecmp(argv[0],"quit") == 0 || - strcasecmp(argv[0],"exit") == 0) - { - exit(0); - } else if (argc == 3 && !strcasecmp(argv[0],"connect")) { - sdsfree(config.hostip); - config.hostip = sdsnew(argv[1]); - config.hostport = atoi(argv[2]); - cliConnect(1); - } else if (argc == 1 && !strcasecmp(argv[0],"clear")) { - linenoiseClearScreen(); - } else { - long long start_time = mstime(), elapsed; - int repeat, skipargs = 0; - - repeat = atoi(argv[0]); - if (argc > 1 && repeat) { - skipargs = 1; - } else { - repeat = 1; - } - - while (1) { - config.cluster_reissue_command = 0; - if (cliSendCommand(argc-skipargs,argv+skipargs,repeat) - != REDIS_OK) - { - cliConnect(1); - - /* If we still cannot send the command print error. - * We'll try to reconnect the next time. */ - if (cliSendCommand(argc-skipargs,argv+skipargs,repeat) - != REDIS_OK) - cliPrintContextError(); - } - /* Issue the command again if we got redirected in cluster mode */ - if (config.cluster_mode && config.cluster_reissue_command) { - cliConnect(1); - } else { - break; - } - } - elapsed = mstime()-start_time; - if (elapsed >= 500) { - printf("(%.2fs)\n",(double)elapsed/1000); - } - } - } - /* Free the argument vector */ - while(argc--) sdsfree(argv[argc]); - zfree(argv); - } - /* linenoise() returns malloc-ed lines like readline() */ - free(line); - } - exit(0); -} - -static int noninteractive(int argc, char **argv) { - int retval = 0; - if (config.stdinarg) { - argv = zrealloc(argv, (argc+1)*sizeof(char*)); - argv[argc] = readArgFromStdin(); - retval = cliSendCommand(argc+1, argv, config.repeat); - } else { - /* stdin is probably a tty, can be tested with S_ISCHR(s.st_mode) */ - retval = cliSendCommand(argc, argv, config.repeat); - } - return retval; -} - -static int evalMode(int argc, char **argv) { - sds script = sdsempty(); - FILE *fp; - char buf[1024]; - size_t nread; - char **argv2; - int j, got_comma = 0, keys = 0; - - /* Load the script from the file, as an sds string. */ - fp = fopen(config.eval,"r"); - if (!fp) { - fprintf(stderr, - "Can't open file '%s': %s\n", config.eval, strerror(errno)); - exit(1); - } - while((nread = fread(buf,1,sizeof(buf),fp)) != 0) { - script = sdscatlen(script,buf,nread); - } - fclose(fp); - - /* Create our argument vector */ - argv2 = zmalloc(sizeof(sds)*(argc+3)); - argv2[0] = sdsnew("EVAL"); - argv2[1] = script; - for (j = 0; j < argc; j++) { - if (!got_comma && argv[j][0] == ',' && argv[j][1] == 0) { - got_comma = 1; - continue; - } - argv2[j+3-got_comma] = sdsnew(argv[j]); - if (!got_comma) keys++; - } - argv2[2] = sdscatprintf(sdsempty(),"%d",keys); - - /* Call it */ - return cliSendCommand(argc+3-got_comma, argv2, config.repeat); -} - -static void latencyMode(void) { - redisReply *reply; - long long start, latency, min = 0, max = 0, tot = 0, count = 0; - double avg; - - if (!context) exit(1); - while(1) { - start = mstime(); - reply = redisCommand(context,"PING"); - if (reply == NULL) { - fprintf(stderr,"\nI/O error\n"); - exit(1); - } - latency = mstime()-start; - freeReplyObject(reply); - count++; - if (count == 1) { - min = max = tot = latency; - avg = (double) latency; - } else { - if (latency < min) min = latency; - if (latency > max) max = latency; - tot += latency; - avg = (double) tot/count; - } - printf("\x1b[0G\x1b[2Kmin: %lld, max: %lld, avg: %.2f (%lld samples)", - min, max, avg, count); - fflush(stdout); - usleep(10000); - } -} - -static void slaveMode(void) { - /* To start we need to send the SYNC command and return the payload. - * The hiredis client lib does not understand this part of the protocol - * and we don't want to mess with its buffers, so everything is performed - * using direct low-level I/O. */ - int fd = context->fd; - char buf[1024], *p; - ssize_t nread; - unsigned long long payload; - - /* Send the SYNC command. */ - if (write(fd,"SYNC\r\n",6) != 6) { - fprintf(stderr,"Error writing to master\n"); - exit(1); - } - - /* Read $\r\n, making sure to read just up to "\n" */ - p = buf; - while(1) { - nread = read(fd,p,1); - if (nread <= 0) { - fprintf(stderr,"Error reading bulk length while SYNCing\n"); - exit(1); - } - if (*p == '\n') break; - p++; - } - *p = '\0'; - payload = strtoull(buf+1,NULL,10); - fprintf(stderr,"SYNC with master, discarding %lld bytes of bulk tranfer...\n", - payload); - - /* Discard the payload. */ - while(payload) { - nread = read(fd,buf,(payload > sizeof(buf)) ? sizeof(buf) : payload); - if (nread <= 0) { - fprintf(stderr,"Error reading RDB payload while SYNCing\n"); - exit(1); - } - payload -= nread; - } - fprintf(stderr,"SYNC done. Logging commands from master.\n"); - - /* Now we can use the hiredis to read the incoming protocol. */ - config.output = OUTPUT_CSV; - while (cliReadReply(0) == REDIS_OK); -} - -static void pipeMode(void) { - int fd = context->fd; - long long errors = 0, replies = 0, obuf_len = 0, obuf_pos = 0; - char ibuf[1024*16], obuf[1024*16]; /* Input and output buffers */ - char aneterr[ANET_ERR_LEN]; - redisReader *reader = redisReaderCreate(); - redisReply *reply; - int eof = 0; /* True once we consumed all the standard input. */ - int done = 0; - char magic[20]; /* Special reply we recognize. */ - - srand(time(NULL)); - - /* Use non blocking I/O. */ - if (anetNonBlock(aneterr,fd) == ANET_ERR) { - fprintf(stderr, "Can't set the socket in non blocking mode: %s\n", - aneterr); - exit(1); - } - - /* Transfer raw protocol and read replies from the server at the same - * time. */ - while(!done) { - int mask = AE_READABLE; - - if (!eof || obuf_len != 0) mask |= AE_WRITABLE; - mask = aeWait(fd,mask,1000); - - /* Handle the readable state: we can read replies from the server. */ - if (mask & AE_READABLE) { - ssize_t nread; - - /* Read from socket and feed the hiredis reader. */ - do { - nread = read(fd,ibuf,sizeof(ibuf)); - if (nread == -1 && errno != EAGAIN && errno != EINTR) { - fprintf(stderr, "Error reading from the server: %s\n", - strerror(errno)); - exit(1); - } - if (nread > 0) redisReaderFeed(reader,ibuf,nread); - } while(nread > 0); - - /* Consume replies. */ - do { - if (redisReaderGetReply(reader,(void**)&reply) == REDIS_ERR) { - fprintf(stderr, "Error reading replies from server\n"); - exit(1); - } - if (reply) { - if (reply->type == REDIS_REPLY_ERROR) { - fprintf(stderr,"%s\n", reply->str); - errors++; - } else if (eof && reply->type == REDIS_REPLY_STRING && - reply->len == 20) { - /* Check if this is the reply to our final ECHO - * command. If so everything was received - * from the server. */ - if (memcmp(reply->str,magic,20) == 0) { - printf("Last reply received from server.\n"); - done = 1; - replies--; - } - } - replies++; - freeReplyObject(reply); - } - } while(reply); - } - - /* Handle the writable state: we can send protocol to the server. */ - if (mask & AE_WRITABLE) { - while(1) { - /* Transfer current buffer to server. */ - if (obuf_len != 0) { - ssize_t nwritten = write(fd,obuf+obuf_pos,obuf_len); - - if (nwritten == -1) { - if (errno != EAGAIN && errno != EINTR) { - fprintf(stderr, "Error writing to the server: %s\n", - strerror(errno)); - exit(1); - } else { - nwritten = 0; - } - } - obuf_len -= nwritten; - obuf_pos += nwritten; - if (obuf_len != 0) break; /* Can't accept more data. */ - } - /* If buffer is empty, load from stdin. */ - if (obuf_len == 0 && !eof) { - ssize_t nread = read(STDIN_FILENO,obuf,sizeof(obuf)); - - if (nread == 0) { - char echo[] = - "*2\r\n$4\r\nECHO\r\n$20\r\n01234567890123456789\r\n"; - int j; - - eof = 1; - /* Everything transfered, so we queue a special - * ECHO command that we can match in the replies - * to make sure everything was read from the server. */ - for (j = 0; j < 20; j++) - magic[j] = rand() & 0xff; - memcpy(echo+19,magic,20); - memcpy(obuf,echo,sizeof(echo)-1); - obuf_len = sizeof(echo)-1; - obuf_pos = 0; - printf("All data transferred. Waiting for the last reply...\n"); - } else if (nread == -1) { - fprintf(stderr, "Error reading from stdin: %s\n", - strerror(errno)); - exit(1); - } else { - obuf_len = nread; - obuf_pos = 0; - } - } - if (obuf_len == 0 && eof) break; - } - } - } - redisReaderFree(reader); - printf("errors: %lld, replies: %lld\n", errors, replies); - if (errors) - exit(1); - else - exit(0); -} - -#define TYPE_STRING 0 -#define TYPE_LIST 1 -#define TYPE_SET 2 -#define TYPE_HASH 3 -#define TYPE_ZSET 4 - -static void findBigKeys(void) { - unsigned long long biggest[5] = {0,0,0,0,0}; - unsigned long long samples = 0; - redisReply *reply1, *reply2, *reply3 = NULL; - char *sizecmd, *typename[] = {"string","list","set","hash","zset"}; - int type; - - printf("\n# Press ctrl+c when you have had enough of it... :)\n"); - printf("# You can use -i 0.1 to sleep 0.1 sec every 100 sampled keys\n"); - printf("# in order to reduce server load (usually not needed).\n\n"); - while(1) { - /* Sample with RANDOMKEY */ - reply1 = redisCommand(context,"RANDOMKEY"); - if (reply1 == NULL) { - fprintf(stderr,"\nI/O error\n"); - exit(1); - } else if (reply1->type == REDIS_REPLY_ERROR) { - fprintf(stderr, "RANDOMKEY error: %s\n", - reply1->str); - exit(1); - } - /* Get the key type */ - reply2 = redisCommand(context,"TYPE %s",reply1->str); - assert(reply2 && reply2->type == REDIS_REPLY_STATUS); - samples++; - - /* Get the key "size" */ - if (!strcmp(reply2->str,"string")) { - sizecmd = "STRLEN"; - type = TYPE_STRING; - } else if (!strcmp(reply2->str,"list")) { - sizecmd = "LLEN"; - type = TYPE_LIST; - } else if (!strcmp(reply2->str,"set")) { - sizecmd = "SCARD"; - type = TYPE_SET; - } else if (!strcmp(reply2->str,"hash")) { - sizecmd = "HLEN"; - type = TYPE_HASH; - } else if (!strcmp(reply2->str,"zset")) { - sizecmd = "ZCARD"; - type = TYPE_ZSET; - } else if (!strcmp(reply2->str,"none")) { - freeReplyObject(reply1); - freeReplyObject(reply2); - freeReplyObject(reply3); - continue; - } else { - fprintf(stderr, "Unknown key type '%s' for key '%s'\n", - reply2->str, reply1->str); - exit(1); - } - - reply3 = redisCommand(context,"%s %s", sizecmd, reply1->str); - if (reply3 && reply3->type == REDIS_REPLY_INTEGER) { - if (biggest[type] < reply3->integer) { - printf("[%6s] %s | biggest so far with size %llu\n", - typename[type], reply1->str, - (unsigned long long) reply3->integer); - biggest[type] = reply3->integer; - } - } - - if ((samples % 1000000) == 0) - printf("(%llu keys sampled)\n", samples); - - if ((samples % 100) == 0 && config.interval) - usleep(config.interval); - - freeReplyObject(reply1); - freeReplyObject(reply2); - if (reply3) freeReplyObject(reply3); - } -} - -int main(int argc, char **argv) { - int firstarg; - - config.hostip = sdsnew("127.0.0.1"); - config.hostport = 6379; - config.hostsocket = NULL; - config.repeat = 1; - config.interval = 0; - config.dbnum = 0; - config.interactive = 0; - config.shutdown = 0; - config.monitor_mode = 0; - config.pubsub_mode = 0; - config.latency_mode = 0; - config.cluster_mode = 0; - config.slave_mode = 0; - config.pipe_mode = 0; - config.bigkeys = 0; - config.stdinarg = 0; - config.auth = NULL; - config.eval = NULL; - if (!isatty(fileno(stdout)) && (getenv("FAKETTY") == NULL)) - config.output = OUTPUT_RAW; - else - config.output = OUTPUT_STANDARD; - config.mb_delim = sdsnew("\n"); - cliInitHelp(); - - firstarg = parseOptions(argc,argv); - argc -= firstarg; - argv += firstarg; - - /* Latency mode */ - if (config.latency_mode) { - cliConnect(0); - latencyMode(); - } - - /* Slave mode */ - if (config.slave_mode) { - cliConnect(0); - slaveMode(); - } - - /* Pipe mode */ - if (config.pipe_mode) { - if (cliConnect(0) == REDIS_ERR) exit(1); - pipeMode(); - } - - /* Find big keys */ - if (config.bigkeys) { - cliConnect(0); - findBigKeys(); - } - - /* Start interactive mode when no command is provided */ - if (argc == 0 && !config.eval) { - /* Note that in repl mode we don't abort on connection error. - * A new attempt will be performed for every command send. */ - cliConnect(0); - repl(); - } - - /* Otherwise, we have some arguments to execute */ - if (cliConnect(0) != REDIS_OK) exit(1); - if (config.eval) { - return evalMode(argc,argv); - } else { - return noninteractive(argc,convertToSds(argc,argv)); - } -} +/* Redis CLI (command line interface) + * + * Copyright (c) 2009-2012, Salvatore Sanfilippo + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of Redis nor the names of its contributors may be used + * to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include "fmacros.h" +#include "version.h" + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "hiredis.h" +#include "sds.h" +#include "zmalloc.h" +#include "linenoise.h" +#include "help.h" +#include "anet.h" +#include "ae.h" + +#define REDIS_NOTUSED(V) ((void) V) + +#define OUTPUT_STANDARD 0 +#define OUTPUT_RAW 1 +#define OUTPUT_CSV 2 +#define REDIS_CLI_KEEPALIVE_INTERVAL 15 /* seconds */ + +static redisContext *context; +static struct config { + char *hostip; + int hostport; + char *hostsocket; + long repeat; + long interval; + int dbnum; + int interactive; + int shutdown; + int monitor_mode; + int pubsub_mode; + int latency_mode; + int latency_history; + int cluster_mode; + int cluster_reissue_command; + int slave_mode; + int pipe_mode; + int getrdb_mode; + int stat_mode; + char *rdb_filename; + int bigkeys; + int stdinarg; /* get last arg from stdin. (-x option) */ + char *auth; + int output; /* output mode, see OUTPUT_* defines */ + sds mb_delim; + char prompt[128]; + char *eval; +} config; + +static void usage(); +char *redisGitSHA1(void); +char *redisGitDirty(void); + +/*------------------------------------------------------------------------------ + * Utility functions + *--------------------------------------------------------------------------- */ + +static long long mstime(void) { + struct timeval tv; + long long mst; + + gettimeofday(&tv, NULL); + mst = ((long long)tv.tv_sec)*1000; + mst += tv.tv_usec/1000; + return mst; +} + +static void cliRefreshPrompt(void) { + int len; + + if (config.hostsocket != NULL) + len = snprintf(config.prompt,sizeof(config.prompt),"redis %s", + config.hostsocket); + else + len = snprintf(config.prompt,sizeof(config.prompt),"redis %s:%d", + config.hostip, config.hostport); + /* Add [dbnum] if needed */ + if (config.dbnum != 0) + len += snprintf(config.prompt+len,sizeof(config.prompt)-len,"[%d]", + config.dbnum); + snprintf(config.prompt+len,sizeof(config.prompt)-len,"> "); +} + +/*------------------------------------------------------------------------------ + * Help functions + *--------------------------------------------------------------------------- */ + +#define CLI_HELP_COMMAND 1 +#define CLI_HELP_GROUP 2 + +typedef struct { + int type; + int argc; + sds *argv; + sds full; + + /* Only used for help on commands */ + struct commandHelp *org; +} helpEntry; + +static helpEntry *helpEntries; +static int helpEntriesLen; + +static sds cliVersion() { + sds version; + version = sdscatprintf(sdsempty(), "%s", REDIS_VERSION); + + /* Add git commit and working tree status when available */ + if (strtoll(redisGitSHA1(),NULL,16)) { + version = sdscatprintf(version, " (git:%s", redisGitSHA1()); + if (strtoll(redisGitDirty(),NULL,10)) + version = sdscatprintf(version, "-dirty"); + version = sdscat(version, ")"); + } + return version; +} + +static void cliInitHelp() { + int commandslen = sizeof(commandHelp)/sizeof(struct commandHelp); + int groupslen = sizeof(commandGroups)/sizeof(char*); + int i, len, pos = 0; + helpEntry tmp; + + helpEntriesLen = len = commandslen+groupslen; + helpEntries = malloc(sizeof(helpEntry)*len); + + for (i = 0; i < groupslen; i++) { + tmp.argc = 1; + tmp.argv = malloc(sizeof(sds)); + tmp.argv[0] = sdscatprintf(sdsempty(),"@%s",commandGroups[i]); + tmp.full = tmp.argv[0]; + tmp.type = CLI_HELP_GROUP; + tmp.org = NULL; + helpEntries[pos++] = tmp; + } + + for (i = 0; i < commandslen; i++) { + tmp.argv = sdssplitargs(commandHelp[i].name,&tmp.argc); + tmp.full = sdsnew(commandHelp[i].name); + tmp.type = CLI_HELP_COMMAND; + tmp.org = &commandHelp[i]; + helpEntries[pos++] = tmp; + } +} + +/* Output command help to stdout. */ +static void cliOutputCommandHelp(struct commandHelp *help, int group) { + printf("\r\n \x1b[1m%s\x1b[0m \x1b[90m%s\x1b[0m\r\n", help->name, help->params); + printf(" \x1b[33msummary:\x1b[0m %s\r\n", help->summary); + printf(" \x1b[33msince:\x1b[0m %s\r\n", help->since); + if (group) { + printf(" \x1b[33mgroup:\x1b[0m %s\r\n", commandGroups[help->group]); + } +} + +/* Print generic help. */ +static void cliOutputGenericHelp() { + sds version = cliVersion(); + printf( + "redis-cli %s\r\n" + "Type: \"help @\" to get a list of commands in \r\n" + " \"help \" for help on \r\n" + " \"help \" to get a list of possible help topics\r\n" + " \"quit\" to exit\r\n", + version + ); + sdsfree(version); +} + +/* Output all command help, filtering by group or command name. */ +static void cliOutputHelp(int argc, char **argv) { + int i, j, len; + int group = -1; + helpEntry *entry; + struct commandHelp *help; + + if (argc == 0) { + cliOutputGenericHelp(); + return; + } else if (argc > 0 && argv[0][0] == '@') { + len = sizeof(commandGroups)/sizeof(char*); + for (i = 0; i < len; i++) { + if (strcasecmp(argv[0]+1,commandGroups[i]) == 0) { + group = i; + break; + } + } + } + + assert(argc > 0); + for (i = 0; i < helpEntriesLen; i++) { + entry = &helpEntries[i]; + if (entry->type != CLI_HELP_COMMAND) continue; + + help = entry->org; + if (group == -1) { + /* Compare all arguments */ + if (argc == entry->argc) { + for (j = 0; j < argc; j++) { + if (strcasecmp(argv[j],entry->argv[j]) != 0) break; + } + if (j == argc) { + cliOutputCommandHelp(help,1); + } + } + } else { + if (group == help->group) { + cliOutputCommandHelp(help,0); + } + } + } + printf("\r\n"); +} + +static void completionCallback(const char *buf, linenoiseCompletions *lc) { + size_t startpos = 0; + int mask; + int i; + size_t matchlen; + sds tmp; + + if (strncasecmp(buf,"help ",5) == 0) { + startpos = 5; + while (isspace(buf[startpos])) startpos++; + mask = CLI_HELP_COMMAND | CLI_HELP_GROUP; + } else { + mask = CLI_HELP_COMMAND; + } + + for (i = 0; i < helpEntriesLen; i++) { + if (!(helpEntries[i].type & mask)) continue; + + matchlen = strlen(buf+startpos); + if (strncasecmp(buf+startpos,helpEntries[i].full,matchlen) == 0) { + tmp = sdsnewlen(buf,startpos); + tmp = sdscat(tmp,helpEntries[i].full); + linenoiseAddCompletion(lc,tmp); + sdsfree(tmp); + } + } +} + +/*------------------------------------------------------------------------------ + * Networking / parsing + *--------------------------------------------------------------------------- */ + +/* Send AUTH command to the server */ +static int cliAuth() { + redisReply *reply; + if (config.auth == NULL) return REDIS_OK; + + reply = redisCommand(context,"AUTH %s",config.auth); + if (reply != NULL) { + freeReplyObject(reply); + return REDIS_OK; + } + return REDIS_ERR; +} + +/* Send SELECT dbnum to the server */ +static int cliSelect() { + redisReply *reply; + if (config.dbnum == 0) return REDIS_OK; + + reply = redisCommand(context,"SELECT %d",config.dbnum); + if (reply != NULL) { + freeReplyObject(reply); + return REDIS_OK; + } + return REDIS_ERR; +} + +/* Connect to the server. If force is not zero the connection is performed + * even if there is already a connected socket. */ +static int cliConnect(int force) { + if (context == NULL || force) { + if (context != NULL) + redisFree(context); + + if (config.hostsocket == NULL) { + context = redisConnect(config.hostip,config.hostport); + } else { + context = redisConnectUnix(config.hostsocket); + } + + if (context->err) { + fprintf(stderr,"Could not connect to Redis at "); + if (config.hostsocket == NULL) + fprintf(stderr,"%s:%d: %s\n",config.hostip,config.hostport,context->errstr); + else + fprintf(stderr,"%s: %s\n",config.hostsocket,context->errstr); + redisFree(context); + context = NULL; + return REDIS_ERR; + } + + /* Set aggressive KEEP_ALIVE socket option in the Redis context socket + * in order to prevent timeouts caused by the execution of long + * commands. At the same time this improves the detection of real + * errors. */ + anetKeepAlive(NULL, context->fd, REDIS_CLI_KEEPALIVE_INTERVAL); + + /* Do AUTH and select the right DB. */ + if (cliAuth() != REDIS_OK) + return REDIS_ERR; + if (cliSelect() != REDIS_OK) + return REDIS_ERR; + } + return REDIS_OK; +} + +static void cliPrintContextError() { + if (context == NULL) return; + fprintf(stderr,"Error: %s\n",context->errstr); +} + +static sds cliFormatReplyTTY(redisReply *r, char *prefix) { + sds out = sdsempty(); + switch (r->type) { + case REDIS_REPLY_ERROR: + out = sdscatprintf(out,"(error) %s\n", r->str); + break; + case REDIS_REPLY_STATUS: + out = sdscat(out,r->str); + out = sdscat(out,"\n"); + break; + case REDIS_REPLY_INTEGER: + out = sdscatprintf(out,"(integer) %lld\n",r->integer); + break; + case REDIS_REPLY_STRING: + /* If you are producing output for the standard output we want + * a more interesting output with quoted characters and so forth */ + out = sdscatrepr(out,r->str,r->len); + out = sdscat(out,"\n"); + break; + case REDIS_REPLY_NIL: + out = sdscat(out,"(nil)\n"); + break; + case REDIS_REPLY_ARRAY: + if (r->elements == 0) { + out = sdscat(out,"(empty list or set)\n"); + } else { + unsigned int i, idxlen = 0; + char _prefixlen[16]; + char _prefixfmt[16]; + sds _prefix; + sds tmp; + + /* Calculate chars needed to represent the largest index */ + i = r->elements; + do { + idxlen++; + i /= 10; + } while(i); + + /* Prefix for nested multi bulks should grow with idxlen+2 spaces */ + memset(_prefixlen,' ',idxlen+2); + _prefixlen[idxlen+2] = '\0'; + _prefix = sdscat(sdsnew(prefix),_prefixlen); + + /* Setup prefix format for every entry */ + snprintf(_prefixfmt,sizeof(_prefixfmt),"%%s%%%dd) ",idxlen); + + for (i = 0; i < r->elements; i++) { + /* Don't use the prefix for the first element, as the parent + * caller already prepended the index number. */ + out = sdscatprintf(out,_prefixfmt,i == 0 ? "" : prefix,i+1); + + /* Format the multi bulk entry */ + tmp = cliFormatReplyTTY(r->element[i],_prefix); + out = sdscatlen(out,tmp,sdslen(tmp)); + sdsfree(tmp); + } + sdsfree(_prefix); + } + break; + default: + fprintf(stderr,"Unknown reply type: %d\n", r->type); + exit(1); + } + return out; +} + +static sds cliFormatReplyRaw(redisReply *r) { + sds out = sdsempty(), tmp; + size_t i; + + switch (r->type) { + case REDIS_REPLY_NIL: + /* Nothing... */ + break; + case REDIS_REPLY_ERROR: + out = sdscatlen(out,r->str,r->len); + out = sdscatlen(out,"\n",1); + break; + case REDIS_REPLY_STATUS: + case REDIS_REPLY_STRING: + out = sdscatlen(out,r->str,r->len); + break; + case REDIS_REPLY_INTEGER: + out = sdscatprintf(out,"%lld",r->integer); + break; + case REDIS_REPLY_ARRAY: + for (i = 0; i < r->elements; i++) { + if (i > 0) out = sdscat(out,config.mb_delim); + tmp = cliFormatReplyRaw(r->element[i]); + out = sdscatlen(out,tmp,sdslen(tmp)); + sdsfree(tmp); + } + break; + default: + fprintf(stderr,"Unknown reply type: %d\n", r->type); + exit(1); + } + return out; +} + +static sds cliFormatReplyCSV(redisReply *r) { + unsigned int i; + + sds out = sdsempty(); + switch (r->type) { + case REDIS_REPLY_ERROR: + out = sdscat(out,"ERROR,"); + out = sdscatrepr(out,r->str,strlen(r->str)); + break; + case REDIS_REPLY_STATUS: + out = sdscatrepr(out,r->str,r->len); + break; + case REDIS_REPLY_INTEGER: + out = sdscatprintf(out,"%lld",r->integer); + break; + case REDIS_REPLY_STRING: + out = sdscatrepr(out,r->str,r->len); + break; + case REDIS_REPLY_NIL: + out = sdscat(out,"NIL\n"); + break; + case REDIS_REPLY_ARRAY: + for (i = 0; i < r->elements; i++) { + sds tmp = cliFormatReplyCSV(r->element[i]); + out = sdscatlen(out,tmp,sdslen(tmp)); + if (i != r->elements-1) out = sdscat(out,","); + sdsfree(tmp); + } + break; + default: + fprintf(stderr,"Unknown reply type: %d\n", r->type); + exit(1); + } + return out; +} + +static int cliReadReply(int output_raw_strings) { + void *_reply; + redisReply *reply; + sds out = NULL; + int output = 1; + + if (redisGetReply(context,&_reply) != REDIS_OK) { + if (config.shutdown) + return REDIS_OK; + if (config.interactive) { + /* Filter cases where we should reconnect */ + if (context->err == REDIS_ERR_IO && errno == ECONNRESET) + return REDIS_ERR; + if (context->err == REDIS_ERR_EOF) + return REDIS_ERR; + } + cliPrintContextError(); + exit(1); + return REDIS_ERR; /* avoid compiler warning */ + } + + reply = (redisReply*)_reply; + + /* Check if we need to connect to a different node and reissue the + * request. */ + if (config.cluster_mode && reply->type == REDIS_REPLY_ERROR && + (!strncmp(reply->str,"MOVED",5) || !strcmp(reply->str,"ASK"))) + { + char *p = reply->str, *s; + int slot; + + output = 0; + /* Comments show the position of the pointer as: + * + * [S] for pointer 's' + * [P] for pointer 'p' + */ + s = strchr(p,' '); /* MOVED[S]3999 127.0.0.1:6381 */ + p = strchr(s+1,' '); /* MOVED[S]3999[P]127.0.0.1:6381 */ + *p = '\0'; + slot = atoi(s+1); + s = strchr(p+1,':'); /* MOVED 3999[P]127.0.0.1[S]6381 */ + *s = '\0'; + sdsfree(config.hostip); + config.hostip = sdsnew(p+1); + config.hostport = atoi(s+1); + if (config.interactive) + printf("-> Redirected to slot [%d] located at %s:%d\n", + slot, config.hostip, config.hostport); + config.cluster_reissue_command = 1; + } + + if (output) { + if (output_raw_strings) { + out = cliFormatReplyRaw(reply); + } else { + if (config.output == OUTPUT_RAW) { + out = cliFormatReplyRaw(reply); + out = sdscat(out,"\n"); + } else if (config.output == OUTPUT_STANDARD) { + out = cliFormatReplyTTY(reply,""); + } else if (config.output == OUTPUT_CSV) { + out = cliFormatReplyCSV(reply); + out = sdscat(out,"\n"); + } + } + fwrite(out,sdslen(out),1,stdout); + sdsfree(out); + } + freeReplyObject(reply); + return REDIS_OK; +} + +static int cliSendCommand(int argc, char **argv, int repeat) { + char *command = argv[0]; + size_t *argvlen; + int j, output_raw; + + if (!strcasecmp(command,"help") || !strcasecmp(command,"?")) { + cliOutputHelp(--argc, ++argv); + return REDIS_OK; + } + + if (context == NULL) return REDIS_ERR; + + output_raw = 0; + if (!strcasecmp(command,"info") || + (argc == 2 && !strcasecmp(command,"cluster") && + (!strcasecmp(argv[1],"nodes") || + !strcasecmp(argv[1],"info"))) || + (argc == 2 && !strcasecmp(command,"client") && + !strcasecmp(argv[1],"list"))) + + { + output_raw = 1; + } + + if (!strcasecmp(command,"shutdown")) config.shutdown = 1; + if (!strcasecmp(command,"monitor")) config.monitor_mode = 1; + if (!strcasecmp(command,"subscribe") || + !strcasecmp(command,"psubscribe")) config.pubsub_mode = 1; + + /* Setup argument length */ + argvlen = malloc(argc*sizeof(size_t)); + for (j = 0; j < argc; j++) + argvlen[j] = sdslen(argv[j]); + + while(repeat--) { + redisAppendCommandArgv(context,argc,(const char**)argv,argvlen); + while (config.monitor_mode) { + if (cliReadReply(output_raw) != REDIS_OK) exit(1); + fflush(stdout); + } + + if (config.pubsub_mode) { + if (config.output != OUTPUT_RAW) + printf("Reading messages... (press Ctrl-C to quit)\n"); + while (1) { + if (cliReadReply(output_raw) != REDIS_OK) exit(1); + } + } + + if (cliReadReply(output_raw) != REDIS_OK) { + free(argvlen); + return REDIS_ERR; + } else { + /* Store database number when SELECT was successfully executed. */ + if (!strcasecmp(command,"select") && argc == 2) { + config.dbnum = atoi(argv[1]); + cliRefreshPrompt(); + } + } + if (config.interval) usleep(config.interval); + fflush(stdout); /* Make it grep friendly */ + } + + free(argvlen); + return REDIS_OK; +} + +/* Send the INFO command, reconnecting the link if needed. */ +static redisReply *reconnectingInfo(void) { + redisContext *c = context; + redisReply *reply = NULL; + int tries = 0; + + assert(!c->err); + while(reply == NULL) { + while (c->err & (REDIS_ERR_IO | REDIS_ERR_EOF)) { + printf("Reconnecting (%d)...\r", ++tries); + fflush(stdout); + + redisFree(c); + c = redisConnect(config.hostip,config.hostport); + usleep(1000000); + } + + reply = redisCommand(c,"INFO"); + if (c->err && !(c->err & (REDIS_ERR_IO | REDIS_ERR_EOF))) { + fprintf(stderr, "Error: %s\n", c->errstr); + exit(1); + } else if (tries > 0) { + printf("\n"); + } + } + + context = c; + return reply; +} + +/*------------------------------------------------------------------------------ + * User interface + *--------------------------------------------------------------------------- */ + +static int parseOptions(int argc, char **argv) { + int i; + + for (i = 1; i < argc; i++) { + int lastarg = i==argc-1; + + if (!strcmp(argv[i],"-h") && !lastarg) { + sdsfree(config.hostip); + config.hostip = sdsnew(argv[++i]); + } else if (!strcmp(argv[i],"-h") && lastarg) { + usage(); + } else if (!strcmp(argv[i],"--help")) { + usage(); + } else if (!strcmp(argv[i],"-x")) { + config.stdinarg = 1; + } else if (!strcmp(argv[i],"-p") && !lastarg) { + config.hostport = atoi(argv[++i]); + } else if (!strcmp(argv[i],"-s") && !lastarg) { + config.hostsocket = argv[++i]; + } else if (!strcmp(argv[i],"-r") && !lastarg) { + config.repeat = strtoll(argv[++i],NULL,10); + } else if (!strcmp(argv[i],"-i") && !lastarg) { + double seconds = atof(argv[++i]); + config.interval = seconds*1000000; + } else if (!strcmp(argv[i],"-n") && !lastarg) { + config.dbnum = atoi(argv[++i]); + } else if (!strcmp(argv[i],"-a") && !lastarg) { + config.auth = argv[++i]; + } else if (!strcmp(argv[i],"--raw")) { + config.output = OUTPUT_RAW; + } else if (!strcmp(argv[i],"--csv")) { + config.output = OUTPUT_CSV; + } else if (!strcmp(argv[i],"--latency")) { + config.latency_mode = 1; + } else if (!strcmp(argv[i],"--latency-history")) { + config.latency_mode = 1; + config.latency_history = 1; + } else if (!strcmp(argv[i],"--slave")) { + config.slave_mode = 1; + } else if (!strcmp(argv[i],"--stat")) { + config.stat_mode = 1; + } else if (!strcmp(argv[i],"--rdb") && !lastarg) { + config.getrdb_mode = 1; + config.rdb_filename = argv[++i]; + } else if (!strcmp(argv[i],"--pipe")) { + config.pipe_mode = 1; + } else if (!strcmp(argv[i],"--bigkeys")) { + config.bigkeys = 1; + } else if (!strcmp(argv[i],"--eval") && !lastarg) { + config.eval = argv[++i]; + } else if (!strcmp(argv[i],"-c")) { + config.cluster_mode = 1; + } else if (!strcmp(argv[i],"-d") && !lastarg) { + sdsfree(config.mb_delim); + config.mb_delim = sdsnew(argv[++i]); + } else if (!strcmp(argv[i],"-v") || !strcmp(argv[i], "--version")) { + sds version = cliVersion(); + printf("redis-cli %s\n", version); + sdsfree(version); + exit(0); + } else { + if (argv[i][0] == '-') { + fprintf(stderr, + "Unrecognized option or bad number of args for: '%s'\n", + argv[i]); + exit(1); + } else { + /* Likely the command name, stop here. */ + break; + } + } + } + return i; +} + +static sds readArgFromStdin(void) { + char buf[1024]; + sds arg = sdsempty(); + + while(1) { + int nread = read(fileno(stdin),buf,1024); + + if (nread == 0) break; + else if (nread == -1) { + perror("Reading from standard input"); + exit(1); + } + arg = sdscatlen(arg,buf,nread); + } + return arg; +} + +static void usage() { + sds version = cliVersion(); + fprintf(stderr, +"redis-cli %s\n" +"\n" +"Usage: redis-cli [OPTIONS] [cmd [arg [arg ...]]]\n" +" -h Server hostname (default: 127.0.0.1)\n" +" -p Server port (default: 6379)\n" +" -s Server socket (overrides hostname and port)\n" +" -a Password to use when connecting to the server\n" +" -r Execute specified command N times\n" +" -i When -r is used, waits seconds per command.\n" +" It is possible to specify sub-second times like -i 0.1\n" +" -n Database number\n" +" -x Read last argument from STDIN\n" +" -d Multi-bulk delimiter in for raw formatting (default: \\n)\n" +" -c Enable cluster mode (follow -ASK and -MOVED redirections)\n" +" --raw Use raw formatting for replies (default when STDOUT is\n" +" not a tty)\n" +" --latency Enter a special mode continuously sampling latency\n" +" --latency-history Like --latency but tracking latency changes over time.\n" +" Default time interval is 15 sec. Change it using -i.\n" +" --slave Simulate a slave showing commands received from the master\n" +" --rdb Transfer an RDB dump from remote server to local file.\n" +" --pipe Transfer raw Redis protocol from stdin to server\n" +" --bigkeys Sample Redis keys looking for big keys\n" +" --eval Send an EVAL command using the Lua script at \n" +" --help Output this help and exit\n" +" --version Output version and exit\n" +"\n" +"Examples:\n" +" cat /etc/passwd | redis-cli -x set mypasswd\n" +" redis-cli get mypasswd\n" +" redis-cli -r 100 lpush mylist x\n" +" redis-cli -r 100 -i 1 info | grep used_memory_human:\n" +" redis-cli --eval myscript.lua key1 key2 , arg1 arg2 arg3\n" +" (Note: when using --eval the comma separates KEYS[] from ARGV[] items)\n" +"\n" +"When no command is given, redis-cli starts in interactive mode.\n" +"Type \"help\" in interactive mode for information on available commands.\n" +"\n", + version); + sdsfree(version); + exit(1); +} + +/* Turn the plain C strings into Sds strings */ +static char **convertToSds(int count, char** args) { + int j; + char **sds = zmalloc(sizeof(char*)*count); + + for(j = 0; j < count; j++) + sds[j] = sdsnew(args[j]); + + return sds; +} + +#define LINE_BUFLEN 4096 +static void repl() { + sds historyfile = NULL; + int history = 0; + char *line; + int argc; + sds *argv; + + config.interactive = 1; + linenoiseSetCompletionCallback(completionCallback); + + /* Only use history when stdin is a tty. */ + if (isatty(fileno(stdin))) { + history = 1; + + if (getenv("HOME") != NULL) { + historyfile = sdscatprintf(sdsempty(),"%s/.rediscli_history",getenv("HOME")); + linenoiseHistoryLoad(historyfile); + } + } + + cliRefreshPrompt(); + while((line = linenoise(context ? config.prompt : "not connected> ")) != NULL) { + if (line[0] != '\0') { + argv = sdssplitargs(line,&argc); + if (history) linenoiseHistoryAdd(line); + if (historyfile) linenoiseHistorySave(historyfile); + + if (argv == NULL) { + printf("Invalid argument(s)\n"); + free(line); + continue; + } else if (argc > 0) { + if (strcasecmp(argv[0],"quit") == 0 || + strcasecmp(argv[0],"exit") == 0) + { + exit(0); + } else if (argc == 3 && !strcasecmp(argv[0],"connect")) { + sdsfree(config.hostip); + config.hostip = sdsnew(argv[1]); + config.hostport = atoi(argv[2]); + cliRefreshPrompt(); + cliConnect(1); + } else if (argc == 1 && !strcasecmp(argv[0],"clear")) { + linenoiseClearScreen(); + } else { + long long start_time = mstime(), elapsed; + int repeat, skipargs = 0; + + repeat = atoi(argv[0]); + if (argc > 1 && repeat) { + skipargs = 1; + } else { + repeat = 1; + } + + while (1) { + config.cluster_reissue_command = 0; + if (cliSendCommand(argc-skipargs,argv+skipargs,repeat) + != REDIS_OK) + { + cliConnect(1); + + /* If we still cannot send the command print error. + * We'll try to reconnect the next time. */ + if (cliSendCommand(argc-skipargs,argv+skipargs,repeat) + != REDIS_OK) + cliPrintContextError(); + } + /* Issue the command again if we got redirected in cluster mode */ + if (config.cluster_mode && config.cluster_reissue_command) { + cliConnect(1); + } else { + break; + } + } + elapsed = mstime()-start_time; + if (elapsed >= 500) { + printf("(%.2fs)\n",(double)elapsed/1000); + } + } + } + /* Free the argument vector */ + sdsfreesplitres(argv,argc); + } + /* linenoise() returns malloc-ed lines like readline() */ + free(line); + } + exit(0); +} + +static int noninteractive(int argc, char **argv) { + int retval = 0; + if (config.stdinarg) { + argv = zrealloc(argv, (argc+1)*sizeof(char*)); + argv[argc] = readArgFromStdin(); + retval = cliSendCommand(argc+1, argv, config.repeat); + } else { + /* stdin is probably a tty, can be tested with S_ISCHR(s.st_mode) */ + retval = cliSendCommand(argc, argv, config.repeat); + } + return retval; +} + +static int evalMode(int argc, char **argv) { + sds script = sdsempty(); + FILE *fp; + char buf[1024]; + size_t nread; + char **argv2; + int j, got_comma = 0, keys = 0; + + /* Load the script from the file, as an sds string. */ + fp = fopen(config.eval,"r"); + if (!fp) { + fprintf(stderr, + "Can't open file '%s': %s\n", config.eval, strerror(errno)); + exit(1); + } + while((nread = fread(buf,1,sizeof(buf),fp)) != 0) { + script = sdscatlen(script,buf,nread); + } + fclose(fp); + + /* Create our argument vector */ + argv2 = zmalloc(sizeof(sds)*(argc+3)); + argv2[0] = sdsnew("EVAL"); + argv2[1] = script; + for (j = 0; j < argc; j++) { + if (!got_comma && argv[j][0] == ',' && argv[j][1] == 0) { + got_comma = 1; + continue; + } + argv2[j+3-got_comma] = sdsnew(argv[j]); + if (!got_comma) keys++; + } + argv2[2] = sdscatprintf(sdsempty(),"%d",keys); + + /* Call it */ + return cliSendCommand(argc+3-got_comma, argv2, config.repeat); +} + +#define LATENCY_SAMPLE_RATE 10 /* milliseconds. */ +#define LATENCY_HISTORY_DEFAULT_INTERVAL 15000 /* milliseconds. */ +static void latencyMode(void) { + redisReply *reply; + long long start, latency, min = 0, max = 0, tot = 0, count = 0; + long long history_interval = + config.interval ? config.interval/1000 : + LATENCY_HISTORY_DEFAULT_INTERVAL; + double avg; + long long history_start = mstime(); + + if (!context) exit(1); + while(1) { + start = mstime(); + reply = redisCommand(context,"PING"); + if (reply == NULL) { + fprintf(stderr,"\nI/O error\n"); + exit(1); + } + latency = mstime()-start; + freeReplyObject(reply); + count++; + if (count == 1) { + min = max = tot = latency; + avg = (double) latency; + } else { + if (latency < min) min = latency; + if (latency > max) max = latency; + tot += latency; + avg = (double) tot/count; + } + printf("\x1b[0G\x1b[2Kmin: %lld, max: %lld, avg: %.2f (%lld samples)", + min, max, avg, count); + fflush(stdout); + if (config.latency_history && mstime()-history_start > history_interval) + { + printf(" -- %.2f seconds range\n", (float)(mstime()-history_start)/1000); + history_start = mstime(); + min = max = tot = count = 0; + } + usleep(LATENCY_SAMPLE_RATE * 1000); + } +} + +/* Sends SYNC and reads the number of bytes in the payload. Used both by + * slaveMode() and getRDB(). */ +unsigned long long sendSync(int fd) { + /* To start we need to send the SYNC command and return the payload. + * The hiredis client lib does not understand this part of the protocol + * and we don't want to mess with its buffers, so everything is performed + * using direct low-level I/O. */ + char buf[4096], *p; + ssize_t nread; + + /* Send the SYNC command. */ + if (write(fd,"SYNC\r\n",6) != 6) { + fprintf(stderr,"Error writing to master\n"); + exit(1); + } + + /* Read $\r\n, making sure to read just up to "\n" */ + p = buf; + while(1) { + nread = read(fd,p,1); + if (nread <= 0) { + fprintf(stderr,"Error reading bulk length while SYNCing\n"); + exit(1); + } + if (*p == '\n' && p != buf) break; + if (*p != '\n') p++; + } + *p = '\0'; + if (buf[0] == '-') { + printf("SYNC with master failed: %s\n", buf); + exit(1); + } + return strtoull(buf+1,NULL,10); +} + +static void slaveMode(void) { + int fd = context->fd; + unsigned long long payload = sendSync(fd); + char buf[1024]; + + fprintf(stderr,"SYNC with master, discarding %llu " + "bytes of bulk transfer...\n", payload); + + /* Discard the payload. */ + while(payload) { + ssize_t nread; + + nread = read(fd,buf,(payload > sizeof(buf)) ? sizeof(buf) : payload); + if (nread <= 0) { + fprintf(stderr,"Error reading RDB payload while SYNCing\n"); + exit(1); + } + payload -= nread; + } + fprintf(stderr,"SYNC done. Logging commands from master.\n"); + + /* Now we can use hiredis to read the incoming protocol. */ + config.output = OUTPUT_CSV; + while (cliReadReply(0) == REDIS_OK); +} + +/* This function implements --rdb, so it uses the replication protocol in order + * to fetch the RDB file from a remote server. */ +static void getRDB(void) { + int s = context->fd; + int fd; + unsigned long long payload = sendSync(s); + char buf[4096]; + + fprintf(stderr,"SYNC sent to master, writing %llu bytes to '%s'\n", + payload, config.rdb_filename); + + /* Write to file. */ + if (!strcmp(config.rdb_filename,"-")) { + fd = STDOUT_FILENO; + } else { + fd = open(config.rdb_filename, O_CREAT|O_WRONLY, 0644); + if (fd == -1) { + fprintf(stderr, "Error opening '%s': %s\n", config.rdb_filename, + strerror(errno)); + exit(1); + } + } + + while(payload) { + ssize_t nread, nwritten; + + nread = read(s,buf,(payload > sizeof(buf)) ? sizeof(buf) : payload); + if (nread <= 0) { + fprintf(stderr,"I/O Error reading RDB payload from socket\n"); + exit(1); + } + nwritten = write(fd, buf, nread); + if (nwritten != nread) { + fprintf(stderr,"Error writing data to file: %s\n", + strerror(errno)); + exit(1); + } + payload -= nread; + } + close(s); /* Close the file descriptor ASAP as fsync() may take time. */ + fsync(fd); + fprintf(stderr,"Transfer finished with success.\n"); + exit(0); +} + +static void pipeMode(void) { + int fd = context->fd; + long long errors = 0, replies = 0, obuf_len = 0, obuf_pos = 0; + char ibuf[1024*16], obuf[1024*16]; /* Input and output buffers */ + char aneterr[ANET_ERR_LEN]; + redisReader *reader = redisReaderCreate(); + redisReply *reply; + int eof = 0; /* True once we consumed all the standard input. */ + int done = 0; + char magic[20]; /* Special reply we recognize. */ + + srand(time(NULL)); + + /* Use non blocking I/O. */ + if (anetNonBlock(aneterr,fd) == ANET_ERR) { + fprintf(stderr, "Can't set the socket in non blocking mode: %s\n", + aneterr); + exit(1); + } + + /* Transfer raw protocol and read replies from the server at the same + * time. */ + while(!done) { + int mask = AE_READABLE; + + if (!eof || obuf_len != 0) mask |= AE_WRITABLE; + mask = aeWait(fd,mask,1000); + + /* Handle the readable state: we can read replies from the server. */ + if (mask & AE_READABLE) { + ssize_t nread; + + /* Read from socket and feed the hiredis reader. */ + do { + nread = read(fd,ibuf,sizeof(ibuf)); + if (nread == -1 && errno != EAGAIN && errno != EINTR) { + fprintf(stderr, "Error reading from the server: %s\n", + strerror(errno)); + exit(1); + } + if (nread > 0) redisReaderFeed(reader,ibuf,nread); + } while(nread > 0); + + /* Consume replies. */ + do { + if (redisReaderGetReply(reader,(void**)&reply) == REDIS_ERR) { + fprintf(stderr, "Error reading replies from server\n"); + exit(1); + } + if (reply) { + if (reply->type == REDIS_REPLY_ERROR) { + fprintf(stderr,"%s\n", reply->str); + errors++; + } else if (eof && reply->type == REDIS_REPLY_STRING && + reply->len == 20) { + /* Check if this is the reply to our final ECHO + * command. If so everything was received + * from the server. */ + if (memcmp(reply->str,magic,20) == 0) { + printf("Last reply received from server.\n"); + done = 1; + replies--; + } + } + replies++; + freeReplyObject(reply); + } + } while(reply); + } + + /* Handle the writable state: we can send protocol to the server. */ + if (mask & AE_WRITABLE) { + while(1) { + /* Transfer current buffer to server. */ + if (obuf_len != 0) { + ssize_t nwritten = write(fd,obuf+obuf_pos,obuf_len); + + if (nwritten == -1) { + if (errno != EAGAIN && errno != EINTR) { + fprintf(stderr, "Error writing to the server: %s\n", + strerror(errno)); + exit(1); + } else { + nwritten = 0; + } + } + obuf_len -= nwritten; + obuf_pos += nwritten; + if (obuf_len != 0) break; /* Can't accept more data. */ + } + /* If buffer is empty, load from stdin. */ + if (obuf_len == 0 && !eof) { + ssize_t nread = read(STDIN_FILENO,obuf,sizeof(obuf)); + + if (nread == 0) { + char echo[] = + "*2\r\n$4\r\nECHO\r\n$20\r\n01234567890123456789\r\n"; + int j; + + eof = 1; + /* Everything transferred, so we queue a special + * ECHO command that we can match in the replies + * to make sure everything was read from the server. */ + for (j = 0; j < 20; j++) + magic[j] = rand() & 0xff; + memcpy(echo+19,magic,20); + memcpy(obuf,echo,sizeof(echo)-1); + obuf_len = sizeof(echo)-1; + obuf_pos = 0; + printf("All data transferred. Waiting for the last reply...\n"); + } else if (nread == -1) { + fprintf(stderr, "Error reading from stdin: %s\n", + strerror(errno)); + exit(1); + } else { + obuf_len = nread; + obuf_pos = 0; + } + } + if (obuf_len == 0 && eof) break; + } + } + } + redisReaderFree(reader); + printf("errors: %lld, replies: %lld\n", errors, replies); + if (errors) + exit(1); + else + exit(0); +} + +#define TYPE_STRING 0 +#define TYPE_LIST 1 +#define TYPE_SET 2 +#define TYPE_HASH 3 +#define TYPE_ZSET 4 + +static void findBigKeys(void) { + unsigned long long biggest[5] = {0,0,0,0,0}; + unsigned long long samples = 0; + redisReply *reply1, *reply2, *reply3 = NULL; + char *sizecmd, *typename[] = {"string","list","set","hash","zset"}; + char *typeunit[] = {"bytes","items","members","fields","members"}; + int type; + + printf("\n# Press ctrl+c when you have had enough of it... :)\n"); + printf("# You can use -i 0.1 to sleep 0.1 sec every 100 sampled keys\n"); + printf("# in order to reduce server load (usually not needed).\n\n"); + while(1) { + /* Sample with RANDOMKEY */ + reply1 = redisCommand(context,"RANDOMKEY"); + if (reply1 == NULL) { + fprintf(stderr,"\nI/O error\n"); + exit(1); + } else if (reply1->type == REDIS_REPLY_ERROR) { + fprintf(stderr, "RANDOMKEY error: %s\n", + reply1->str); + exit(1); + } else if (reply1->type == REDIS_REPLY_NIL) { + fprintf(stderr, "It looks like the database is empty!\n"); + exit(1); + } + + /* Get the key type */ + reply2 = redisCommand(context,"TYPE %s",reply1->str); + assert(reply2 && reply2->type == REDIS_REPLY_STATUS); + samples++; + + /* Get the key "size" */ + if (!strcmp(reply2->str,"string")) { + sizecmd = "STRLEN"; + type = TYPE_STRING; + } else if (!strcmp(reply2->str,"list")) { + sizecmd = "LLEN"; + type = TYPE_LIST; + } else if (!strcmp(reply2->str,"set")) { + sizecmd = "SCARD"; + type = TYPE_SET; + } else if (!strcmp(reply2->str,"hash")) { + sizecmd = "HLEN"; + type = TYPE_HASH; + } else if (!strcmp(reply2->str,"zset")) { + sizecmd = "ZCARD"; + type = TYPE_ZSET; + } else if (!strcmp(reply2->str,"none")) { + freeReplyObject(reply1); + freeReplyObject(reply2); + freeReplyObject(reply3); + continue; + } else { + fprintf(stderr, "Unknown key type '%s' for key '%s'\n", + reply2->str, reply1->str); + exit(1); + } + + reply3 = redisCommand(context,"%s %s", sizecmd, reply1->str); + if (reply3 && reply3->type == REDIS_REPLY_INTEGER) { + if (biggest[type] < reply3->integer) { + printf("Biggest %-6s found so far '%s' with %llu %s.\n", + typename[type], reply1->str, + (unsigned long long) reply3->integer, + typeunit[type]); + biggest[type] = reply3->integer; + } + } + + if ((samples % 1000000) == 0) + printf("(%llu keys sampled)\n", samples); + + if ((samples % 100) == 0 && config.interval) + usleep(config.interval); + + freeReplyObject(reply1); + freeReplyObject(reply2); + if (reply3) freeReplyObject(reply3); + } +} + +/* Return the specified INFO field from the INFO command output "info". + * A new buffer is allocated for the result, that needs to be free'd. + * If the field is not found NULL is returned. */ +static char *getInfoField(char *info, char *field) { + char *p = strstr(info,field); + char *n1, *n2; + char *result; + + if (!p) return NULL; + p += strlen(field)+1; + n1 = strchr(p,'\r'); + n2 = strchr(p,','); + if (n2 && n2 < n1) n1 = n2; + result = malloc(sizeof(char)*(n1-p)+1); + memcpy(result,p,(n1-p)); + result[n1-p] = '\0'; + return result; +} + +/* Like the above function but automatically convert the result into + * a long. On error (missing field) LONG_MIN is returned. */ +static long getLongInfoField(char *info, char *field) { + char *value = getInfoField(info,field); + long l; + + if (!value) return LONG_MIN; + l = strtol(value,NULL,10); + free(value); + return l; +} + +/* Convert number of bytes into a human readable string of the form: + * 100B, 2G, 100M, 4K, and so forth. */ +void bytesToHuman(char *s, long long n) { + double d; + + if (n < 0) { + *s = '-'; + s++; + n = -n; + } + if (n < 1024) { + /* Bytes */ + sprintf(s,"%lluB",n); + return; + } else if (n < (1024*1024)) { + d = (double)n/(1024); + sprintf(s,"%.2fK",d); + } else if (n < (1024LL*1024*1024)) { + d = (double)n/(1024*1024); + sprintf(s,"%.2fM",d); + } else if (n < (1024LL*1024*1024*1024)) { + d = (double)n/(1024LL*1024*1024); + sprintf(s,"%.2fG",d); + } +} + +static void statMode() { + redisReply *reply; + long aux, requests = 0; + int i = 0; + + while(1) { + char buf[64]; + int j; + + reply = reconnectingInfo(); + if (reply->type == REDIS_REPLY_ERROR) { + printf("ERROR: %s\n", reply->str); + exit(1); + } + + if ((i++ % 20) == 0) { + printf( +"------- data ------ --------------------- load -------------------- - child -\n" +"keys mem clients blocked requests connections \n"); + } + + /* Keys */ + aux = 0; + for (j = 0; j < 20; j++) { + long k; + + sprintf(buf,"db%d:keys",j); + k = getLongInfoField(reply->str,buf); + if (k == LONG_MIN) continue; + aux += k; + } + sprintf(buf,"%ld",aux); + printf("%-11s",buf); + + /* Used memory */ + aux = getLongInfoField(reply->str,"used_memory"); + bytesToHuman(buf,aux); + printf("%-8s",buf); + + /* Clients */ + aux = getLongInfoField(reply->str,"connected_clients"); + sprintf(buf,"%ld",aux); + printf(" %-8s",buf); + + /* Blocked (BLPOPPING) Clients */ + aux = getLongInfoField(reply->str,"blocked_clients"); + sprintf(buf,"%ld",aux); + printf("%-8s",buf); + + /* Requets */ + aux = getLongInfoField(reply->str,"total_commands_processed"); + sprintf(buf,"%ld (+%ld)",aux,requests == 0 ? 0 : aux-requests); + printf("%-19s",buf); + requests = aux; + + /* Connections */ + aux = getLongInfoField(reply->str,"total_connections_received"); + sprintf(buf,"%ld",aux); + printf(" %-12s",buf); + + /* Children */ + aux = getLongInfoField(reply->str,"bgsave_in_progress"); + aux |= getLongInfoField(reply->str,"aof_rewrite_in_progress") << 1; + switch(aux) { + case 0: break; + case 1: + printf("SAVE"); + break; + case 2: + printf("AOF"); + break; + case 3: + printf("SAVE+AOF"); + break; + } + + printf("\n"); + freeReplyObject(reply); + usleep(config.interval); + } +} + +int main(int argc, char **argv) { + int firstarg; + + config.hostip = sdsnew("127.0.0.1"); + config.hostport = 6379; + config.hostsocket = NULL; + config.repeat = 1; + config.interval = 0; + config.dbnum = 0; + config.interactive = 0; + config.shutdown = 0; + config.monitor_mode = 0; + config.pubsub_mode = 0; + config.latency_mode = 0; + config.latency_history = 0; + config.cluster_mode = 0; + config.slave_mode = 0; + config.getrdb_mode = 0; + config.rdb_filename = NULL; + config.pipe_mode = 0; + config.bigkeys = 0; + config.stdinarg = 0; + config.auth = NULL; + config.eval = NULL; + if (!isatty(fileno(stdout)) && (getenv("FAKETTY") == NULL)) + config.output = OUTPUT_RAW; + else + config.output = OUTPUT_STANDARD; + config.mb_delim = sdsnew("\n"); + cliInitHelp(); + + firstarg = parseOptions(argc,argv); + argc -= firstarg; + argv += firstarg; + + /* Latency mode */ + if (config.latency_mode) { + if (cliConnect(0) == REDIS_ERR) exit(1); + latencyMode(); + } + + /* Slave mode */ + if (config.slave_mode) { + if (cliConnect(0) == REDIS_ERR) exit(1); + slaveMode(); + } + + /* Get RDB mode. */ + if (config.getrdb_mode) { + if (cliConnect(0) == REDIS_ERR) exit(1); + getRDB(); + } + + /* Pipe mode */ + if (config.pipe_mode) { + if (cliConnect(0) == REDIS_ERR) exit(1); + pipeMode(); + } + + /* Find big keys */ + if (config.bigkeys) { + if (cliConnect(0) == REDIS_ERR) exit(1); + findBigKeys(); + } + + /* Stat mode */ + if (config.stat_mode) { + if (cliConnect(0) == REDIS_ERR) exit(1); + if (config.interval == 0) config.interval = 1000000; + statMode(); + } + + /* Start interactive mode when no command is provided */ + if (argc == 0 && !config.eval) { + /* Note that in repl mode we don't abort on connection error. + * A new attempt will be performed for every command send. */ + cliConnect(0); + repl(); + } + + /* Otherwise, we have some arguments to execute */ + if (cliConnect(0) != REDIS_OK) exit(1); + if (config.eval) { + return evalMode(argc,argv); + } else { + return noninteractive(argc,convertToSds(argc,argv)); + } +} diff --git a/src/redis.c b/src/redis.c index f25d281..31287a9 100644 --- a/src/redis.c +++ b/src/redis.c @@ -1,2645 +1,2776 @@ -/* - * Copyright (c) 2009-2012, Salvatore Sanfilippo - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * * Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * * Neither the name of Redis nor the names of its contributors may be used - * to endorse or promote products derived from this software without - * specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -#include "redis.h" -#include "slowlog.h" -#include "bio.h" - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -/* Our shared "common" objects */ - -struct sharedObjectsStruct shared; - -/* Global vars that are actually used as constants. The following double - * values are used for double on-disk serialization, and are initialized - * at runtime to avoid strange compiler optimizations. */ - -double R_Zero, R_PosInf, R_NegInf, R_Nan; - -/*================================= Globals ================================= */ - -/* Global vars */ -struct redisServer server; /* server global state */ -struct redisCommand *commandTable; - -/* Our command table. - * - * Every entry is composed of the following fields: - * - * name: a string representing the command name. - * function: pointer to the C function implementing the command. - * arity: number of arguments, it is possible to use -N to say >= N - * sflags: command flags as string. See below for a table of flags. - * flags: flags as bitmask. Computed by Redis using the 'sflags' field. - * get_keys_proc: an optional function to get key arguments from a command. - * This is only used when the following three fields are not - * enough to specify what arguments are keys. - * first_key_index: first argument that is a key - * last_key_index: last argument that is a key - * key_step: step to get all the keys from first to last argument. For instance - * in MSET the step is two since arguments are key,val,key,val,... - * microseconds: microseconds of total execution time for this command. - * calls: total number of calls of this command. - * - * The flags, microseconds and calls fields are computed by Redis and should - * always be set to zero. - * - * Command flags are expressed using strings where every character represents - * a flag. Later the populateCommandTable() function will take care of - * populating the real 'flags' field using this characters. - * - * This is the meaning of the flags: - * - * w: write command (may modify the key space). - * r: read command (will never modify the key space). - * m: may increase memory usage once called. Don't allow if out of memory. - * a: admin command, like SAVE or SHUTDOWN. - * p: Pub/Sub related command. - * f: force replication of this command, regarless of server.dirty. - * s: command not allowed in scripts. - * R: random command. Command is not deterministic, that is, the same command - * with the same arguments, with the same key space, may have different - * results. For instance SPOP and RANDOMKEY are two random commands. - * S: Sort command output array if called from script, so that the output - * is deterministic. - * l: Allow command while loading the database. - * t: Allow command while a slave has stale data but is not allowed to - * server this data. Normally no command is accepted in this condition - * but just a few. - * M: Do not automatically propagate the command on MONITOR. - */ -struct redisCommand redisCommandTable[] = { - {"ds_get",ds_get,2,"r",0,NULL,1,1,1,0,0}, - {"rl_get",rl_get,2,"r",0,NULL,1,1,1,0,0}, - {"ds_mget",ds_mget,-2,"r",0,NULL,1,-1,1,0,0}, - {"ds_mset",ds_mset,-3,"wm",0,NULL,1,-1,2,0,0}, - {"ds_del",ds_delete,-2,"w",0,noPreloadGetKeys,1,-1,1,0,0}, - {"rl_del",rl_delete,-2,"w",0,noPreloadGetKeys,1,-1,1,0,0}, - {"ds_set",ds_set,3,"wm",0,noPreloadGetKeys,1,1,1,0,0}, - {"rl_set",rl_set,3,"wm",0,noPreloadGetKeys,1,1,1,0,0}, - {"ds_hset",ds_hset,4,"wm",0,NULL,1,1,1,0,0}, - {"ds_hdel",ds_hdel,-2,"w",0,noPreloadGetKeys,1,-1,1,0,0}, - {"ds_hget",ds_hget,3,"r",0,NULL,1,1,1,0,0}, - {"ds_hmget",ds_hmget,-3,"r",0,NULL,1,1,1,0,0}, - {"ds_hmset",ds_hmset,-4,"wm",0,NULL,1,1,1,0,0}, - {"ds_hincrby",ds_hincrby,4,"wm",0,NULL,1,1,1,0,0}, - {"ds_hgetall",ds_hgetall,2,"r",0,NULL,1,1,1,0,0}, - {"ds_append",ds_append,3,"wm",0,NULL,1,1,1,0,0}, - {"ds_incrby",ds_incrby,3,"wm",0,NULL,1,1,1,0,0}, - - {"get",getCommand,2,"r",0,NULL,1,1,1,0,0}, - {"set",setCommand,3,"wm",0,noPreloadGetKeys,1,1,1,0,0}, - {"setnx",setnxCommand,3,"wm",0,noPreloadGetKeys,1,1,1,0,0}, - {"setex",setexCommand,4,"wm",0,noPreloadGetKeys,1,1,1,0,0}, - {"psetex",psetexCommand,4,"wm",0,noPreloadGetKeys,1,1,1,0,0}, - {"append",appendCommand,3,"wm",0,NULL,1,1,1,0,0}, - {"strlen",strlenCommand,2,"r",0,NULL,1,1,1,0,0}, - {"del",delCommand,-2,"w",0,noPreloadGetKeys,1,-1,1,0,0}, - {"exists",existsCommand,2,"r",0,NULL,1,1,1,0,0}, - {"setbit",setbitCommand,4,"wm",0,NULL,1,1,1,0,0}, - {"getbit",getbitCommand,3,"r",0,NULL,1,1,1,0,0}, - {"setrange",setrangeCommand,4,"wm",0,NULL,1,1,1,0,0}, - {"getrange",getrangeCommand,4,"r",0,NULL,1,1,1,0,0}, - {"substr",getrangeCommand,4,"r",0,NULL,1,1,1,0,0}, - {"incr",incrCommand,2,"wm",0,NULL,1,1,1,0,0}, - {"decr",decrCommand,2,"wm",0,NULL,1,1,1,0,0}, - {"mget",mgetCommand,-2,"r",0,NULL,1,-1,1,0,0}, - {"rpush",rpushCommand,-3,"wm",0,NULL,1,1,1,0,0}, - {"lpush",lpushCommand,-3,"wm",0,NULL,1,1,1,0,0}, - {"rpushx",rpushxCommand,3,"wm",0,NULL,1,1,1,0,0}, - {"lpushx",lpushxCommand,3,"wm",0,NULL,1,1,1,0,0}, - {"linsert",linsertCommand,5,"wm",0,NULL,1,1,1,0,0}, - {"rpop",rpopCommand,2,"w",0,NULL,1,1,1,0,0}, - {"lpop",lpopCommand,2,"w",0,NULL,1,1,1,0,0}, - {"brpop",brpopCommand,-3,"ws",0,NULL,1,1,1,0,0}, - {"brpoplpush",brpoplpushCommand,4,"wms",0,NULL,1,2,1,0,0}, - {"blpop",blpopCommand,-3,"ws",0,NULL,1,-2,1,0,0}, - {"llen",llenCommand,2,"r",0,NULL,1,1,1,0,0}, - {"lindex",lindexCommand,3,"r",0,NULL,1,1,1,0,0}, - {"lset",lsetCommand,4,"wm",0,NULL,1,1,1,0,0}, - {"lrange",lrangeCommand,4,"r",0,NULL,1,1,1,0,0}, - {"ltrim",ltrimCommand,4,"w",0,NULL,1,1,1,0,0}, - {"lrem",lremCommand,4,"w",0,NULL,1,1,1,0,0}, - {"rpoplpush",rpoplpushCommand,3,"wm",0,NULL,1,2,1,0,0}, - {"sadd",saddCommand,-3,"wm",0,NULL,1,1,1,0,0}, - {"srem",sremCommand,-3,"w",0,NULL,1,1,1,0,0}, - {"smove",smoveCommand,4,"w",0,NULL,1,2,1,0,0}, - {"sismember",sismemberCommand,3,"r",0,NULL,1,1,1,0,0}, - {"scard",scardCommand,2,"r",0,NULL,1,1,1,0,0}, - {"spop",spopCommand,2,"wRs",0,NULL,1,1,1,0,0}, - {"srandmember",srandmemberCommand,-2,"rR",0,NULL,1,1,1,0,0}, - {"sinter",sinterCommand,-2,"rS",0,NULL,1,-1,1,0,0}, - {"sinterstore",sinterstoreCommand,-3,"wm",0,NULL,1,-1,1,0,0}, - {"sunion",sunionCommand,-2,"rS",0,NULL,1,-1,1,0,0}, - {"sunionstore",sunionstoreCommand,-3,"wm",0,NULL,1,-1,1,0,0}, - {"sdiff",sdiffCommand,-2,"rS",0,NULL,1,-1,1,0,0}, - {"sdiffstore",sdiffstoreCommand,-3,"wm",0,NULL,1,-1,1,0,0}, - {"smembers",sinterCommand,2,"rS",0,NULL,1,1,1,0,0}, - {"zadd",zaddCommand,-4,"wm",0,NULL,1,1,1,0,0}, - {"zincrby",zincrbyCommand,4,"wm",0,NULL,1,1,1,0,0}, - {"zrem",zremCommand,-3,"w",0,NULL,1,1,1,0,0}, - {"zremrangebyscore",zremrangebyscoreCommand,4,"w",0,NULL,1,1,1,0,0}, - {"zremrangebyrank",zremrangebyrankCommand,4,"w",0,NULL,1,1,1,0,0}, - {"zunionstore",zunionstoreCommand,-4,"wm",0,zunionInterGetKeys,0,0,0,0,0}, - {"zinterstore",zinterstoreCommand,-4,"wm",0,zunionInterGetKeys,0,0,0,0,0}, - {"zrange",zrangeCommand,-4,"r",0,NULL,1,1,1,0,0}, - {"zrangebyscore",zrangebyscoreCommand,-4,"r",0,NULL,1,1,1,0,0}, - {"zrevrangebyscore",zrevrangebyscoreCommand,-4,"r",0,NULL,1,1,1,0,0}, - {"zcount",zcountCommand,4,"r",0,NULL,1,1,1,0,0}, - {"zrevrange",zrevrangeCommand,-4,"r",0,NULL,1,1,1,0,0}, - {"zcard",zcardCommand,2,"r",0,NULL,1,1,1,0,0}, - {"zscore",zscoreCommand,3,"r",0,NULL,1,1,1,0,0}, - {"zrank",zrankCommand,3,"r",0,NULL,1,1,1,0,0}, - {"zrevrank",zrevrankCommand,3,"r",0,NULL,1,1,1,0,0}, - {"hset",hsetCommand,4,"wm",0,NULL,1,1,1,0,0}, - {"hsetnx",hsetnxCommand,4,"wm",0,NULL,1,1,1,0,0}, - {"hget",hgetCommand,3,"r",0,NULL,1,1,1,0,0}, - {"hmset",hmsetCommand,-4,"wm",0,NULL,1,1,1,0,0}, - {"hmget",hmgetCommand,-3,"r",0,NULL,1,1,1,0,0}, - {"hincrby",hincrbyCommand,4,"wm",0,NULL,1,1,1,0,0}, - {"hincrbyfloat",hincrbyfloatCommand,4,"wm",0,NULL,1,1,1,0,0}, - {"hdel",hdelCommand,-3,"w",0,NULL,1,1,1,0,0}, - {"hlen",hlenCommand,2,"r",0,NULL,1,1,1,0,0}, - {"hkeys",hkeysCommand,2,"rS",0,NULL,1,1,1,0,0}, - {"hvals",hvalsCommand,2,"rS",0,NULL,1,1,1,0,0}, - {"hgetall",hgetallCommand,2,"r",0,NULL,1,1,1,0,0}, - {"hexists",hexistsCommand,3,"r",0,NULL,1,1,1,0,0}, - {"incrby",incrbyCommand,3,"wm",0,NULL,1,1,1,0,0}, - {"decrby",decrbyCommand,3,"wm",0,NULL,1,1,1,0,0}, - {"incrbyfloat",incrbyfloatCommand,3,"wm",0,NULL,1,1,1,0,0}, - {"getset",getsetCommand,3,"wm",0,NULL,1,1,1,0,0}, - {"mset",msetCommand,-3,"wm",0,NULL,1,-1,2,0,0}, - {"msetnx",msetnxCommand,-3,"wm",0,NULL,1,-1,2,0,0}, - {"randomkey",randomkeyCommand,1,"rR",0,NULL,0,0,0,0,0}, - {"select",selectCommand,2,"r",0,NULL,0,0,0,0,0}, - {"move",moveCommand,3,"w",0,NULL,1,1,1,0,0}, - {"rename",renameCommand,3,"w",0,renameGetKeys,1,2,1,0,0}, - {"renamenx",renamenxCommand,3,"w",0,renameGetKeys,1,2,1,0,0}, - {"expire",expireCommand,3,"w",0,NULL,1,1,1,0,0}, - {"expireat",expireatCommand,3,"w",0,NULL,1,1,1,0,0}, - {"pexpire",pexpireCommand,3,"w",0,NULL,1,1,1,0,0}, - {"pexpireat",pexpireatCommand,3,"w",0,NULL,1,1,1,0,0}, - {"keys",keysCommand,2,"rS",0,NULL,0,0,0,0,0}, - {"dbsize",dbsizeCommand,1,"r",0,NULL,0,0,0,0,0}, - {"auth",authCommand,2,"rs",0,NULL,0,0,0,0,0}, - {"ping",pingCommand,1,"r",0,NULL,0,0,0,0,0}, - {"echo",echoCommand,2,"r",0,NULL,0,0,0,0,0}, - {"save",saveCommand,1,"ars",0,NULL,0,0,0,0,0}, - {"bgsave",bgsaveCommand,1,"ar",0,NULL,0,0,0,0,0}, - {"bgrewriteaof",bgrewriteaofCommand,1,"ar",0,NULL,0,0,0,0,0}, - {"shutdown",shutdownCommand,-1,"ar",0,NULL,0,0,0,0,0}, - {"lastsave",lastsaveCommand,1,"r",0,NULL,0,0,0,0,0}, - {"type",typeCommand,2,"r",0,NULL,1,1,1,0,0}, - {"multi",multiCommand,1,"rs",0,NULL,0,0,0,0,0}, - {"exec",execCommand,1,"sM",0,NULL,0,0,0,0,0}, - {"discard",discardCommand,1,"rs",0,NULL,0,0,0,0,0}, - {"sync",syncCommand,1,"ars",0,NULL,0,0,0,0,0}, - {"replconf",replconfCommand,-1,"ars",0,NULL,0,0,0,0,0}, - {"flushdb",flushdbCommand,1,"w",0,NULL,0,0,0,0,0}, - {"flushall",flushallCommand,1,"w",0,NULL,0,0,0,0,0}, - {"sort",sortCommand,-2,"wm",0,NULL,1,1,1,0,0}, - {"info",infoCommand,-1,"rlt",0,NULL,0,0,0,0,0}, - {"monitor",monitorCommand,1,"ars",0,NULL,0,0,0,0,0}, - {"ttl",ttlCommand,2,"r",0,NULL,1,1,1,0,0}, - {"pttl",pttlCommand,2,"r",0,NULL,1,1,1,0,0}, - {"persist",persistCommand,2,"w",0,NULL,1,1,1,0,0}, - {"slaveof",slaveofCommand,3,"ast",0,NULL,0,0,0,0,0}, - {"debug",debugCommand,-2,"as",0,NULL,0,0,0,0,0}, - {"config",configCommand,-2,"ar",0,NULL,0,0,0,0,0}, - {"subscribe",subscribeCommand,-2,"rpslt",0,NULL,0,0,0,0,0}, - {"unsubscribe",unsubscribeCommand,-1,"rpslt",0,NULL,0,0,0,0,0}, - {"psubscribe",psubscribeCommand,-2,"rpslt",0,NULL,0,0,0,0,0}, - {"punsubscribe",punsubscribeCommand,-1,"rpslt",0,NULL,0,0,0,0,0}, - {"publish",publishCommand,3,"pflt",0,NULL,0,0,0,0,0}, - {"watch",watchCommand,-2,"rs",0,noPreloadGetKeys,1,-1,1,0,0}, - {"unwatch",unwatchCommand,1,"rs",0,NULL,0,0,0,0,0}, - {"restore",restoreCommand,4,"awm",0,NULL,1,1,1,0,0}, - {"migrate",migrateCommand,6,"aw",0,NULL,0,0,0,0,0}, - {"dump",dumpCommand,2,"ar",0,NULL,1,1,1,0,0}, - {"object",objectCommand,-2,"r",0,NULL,2,2,2,0,0}, - {"client",clientCommand,-2,"ar",0,NULL,0,0,0,0,0}, - {"eval",evalCommand,-3,"s",0,zunionInterGetKeys,0,0,0,0,0}, - {"evalsha",evalShaCommand,-3,"s",0,zunionInterGetKeys,0,0,0,0,0}, - {"slowlog",slowlogCommand,-2,"r",0,NULL,0,0,0,0,0}, - {"script",scriptCommand,-2,"ras",0,NULL,0,0,0,0,0}, - {"time",timeCommand,1,"rR",0,NULL,0,0,0,0,0}, - {"bitop",bitopCommand,-4,"wm",0,NULL,2,-1,1,0,0}, - {"bitcount",bitcountCommand,-2,"r",0,NULL,1,1,1,0,0} -}; - -/*============================ Utility functions ============================ */ - -/* Low level logging. To use only for very big messages, otherwise - * redisLog() is to prefer. */ -void redisLogRaw(int level, const char *msg) { - const int syslogLevelMap[] = { LOG_DEBUG, LOG_INFO, LOG_NOTICE, LOG_WARNING }; - const char *c = ".-*#"; - FILE *fp; - char buf[64]; - int rawmode = (level & REDIS_LOG_RAW); - - level &= 0xff; /* clear flags */ - if (level < server.verbosity) return; - - fp = (server.logfile == NULL) ? stdout : fopen(server.logfile,"a"); - if (!fp) return; - - if (rawmode) { - fprintf(fp,"%s",msg); - } else { - int off; - struct timeval tv; - - gettimeofday(&tv,NULL); - off = strftime(buf,sizeof(buf),"%d %b %H:%M:%S.",localtime(&tv.tv_sec)); - snprintf(buf+off,sizeof(buf)-off,"%03d",(int)tv.tv_usec/1000); - fprintf(fp,"[%d] %s %c %s\n",(int)getpid(),buf,c[level],msg); - } - fflush(fp); - - if (server.logfile) fclose(fp); - - if (server.syslog_enabled) syslog(syslogLevelMap[level], "%s", msg); -} - -/* Like redisLogRaw() but with printf-alike support. This is the funciton that - * is used across the code. The raw version is only used in order to dump - * the INFO output on crash. */ -void redisLog(int level, const char *fmt, ...) { - va_list ap; - char msg[REDIS_MAX_LOGMSG_LEN]; - - if ((level&0xff) < server.verbosity) return; - - va_start(ap, fmt); - vsnprintf(msg, sizeof(msg), fmt, ap); - va_end(ap); - - redisLogRaw(level,msg); -} - -/* Log a fixed message without printf-alike capabilities, in a way that is - * safe to call from a signal handler. - * - * We actually use this only for signals that are not fatal from the point - * of view of Redis. Signals that are going to kill the server anyway and - * where we need printf-alike features are served by redisLog(). */ -void redisLogFromHandler(int level, const char *msg) { - int fd; - char buf[64]; - - if ((level&0xff) < server.verbosity || - (server.logfile == NULL && server.daemonize)) return; - fd = server.logfile ? - open(server.logfile, O_APPEND|O_CREAT|O_WRONLY, 0644) : - STDOUT_FILENO; - if (fd == -1) return; - ll2string(buf,sizeof(buf),getpid()); - if (write(fd,"[",1) == -1) goto err; - if (write(fd,buf,strlen(buf)) == -1) goto err; - if (write(fd," | signal handler] (",20) == -1) goto err; - ll2string(buf,sizeof(buf),time(NULL)); - if (write(fd,buf,strlen(buf)) == -1) goto err; - if (write(fd,") ",2) == -1) goto err; - if (write(fd,msg,strlen(msg)) == -1) goto err; - if (write(fd,"\n",1) == -1) goto err; -err: - if (server.logfile) close(fd); -} - -/* Return the UNIX time in microseconds */ -long long ustime(void) { - struct timeval tv; - long long ust; - - gettimeofday(&tv, NULL); - ust = ((long long)tv.tv_sec)*1000000; - ust += tv.tv_usec; - return ust; -} - -/* Return the UNIX time in milliseconds */ -long long mstime(void) { - return ustime()/1000; -} - -/* After an RDB dump or AOF rewrite we exit from children using _exit() instead of - * exit(), because the latter may interact with the same file objects used by - * the parent process. However if we are testing the coverage normal exit() is - * used in order to obtain the right coverage information. */ -void exitFromChild(int retcode) { -#ifdef COVERAGE_TEST - exit(retcode); -#else - _exit(retcode); -#endif -} - -/*====================== Hash table type implementation ==================== */ - -/* This is an hash table type that uses the SDS dynamic strings libary as - * keys and radis objects as values (objects can hold SDS strings, - * lists, sets). */ - -void dictVanillaFree(void *privdata, void *val) -{ - DICT_NOTUSED(privdata); - zfree(val); -} - -void dictListDestructor(void *privdata, void *val) -{ - DICT_NOTUSED(privdata); - listRelease((list*)val); -} - -int dictSdsKeyCompare(void *privdata, const void *key1, - const void *key2) -{ - int l1,l2; - DICT_NOTUSED(privdata); - - l1 = sdslen((sds)key1); - l2 = sdslen((sds)key2); - if (l1 != l2) return 0; - return memcmp(key1, key2, l1) == 0; -} - -/* A case insensitive version used for the command lookup table and other - * places where case insensitive non binary-safe comparison is needed. */ -int dictSdsKeyCaseCompare(void *privdata, const void *key1, - const void *key2) -{ - DICT_NOTUSED(privdata); - - return strcasecmp(key1, key2) == 0; -} - -void dictRedisObjectDestructor(void *privdata, void *val) -{ - DICT_NOTUSED(privdata); - - if (val == NULL) return; /* Values of swapped out keys as set to NULL */ - decrRefCount(val); -} - -void dictSdsDestructor(void *privdata, void *val) -{ - DICT_NOTUSED(privdata); - - sdsfree(val); -} - -int dictObjKeyCompare(void *privdata, const void *key1, - const void *key2) -{ - const robj *o1 = key1, *o2 = key2; - return dictSdsKeyCompare(privdata,o1->ptr,o2->ptr); -} - -unsigned int dictObjHash(const void *key) { - const robj *o = key; - return dictGenHashFunction(o->ptr, sdslen((sds)o->ptr)); -} - -unsigned int dictSdsHash(const void *key) { - return dictGenHashFunction((unsigned char*)key, sdslen((char*)key)); -} - -unsigned int dictSdsCaseHash(const void *key) { - return dictGenCaseHashFunction((unsigned char*)key, sdslen((char*)key)); -} - -int dictEncObjKeyCompare(void *privdata, const void *key1, - const void *key2) -{ - robj *o1 = (robj*) key1, *o2 = (robj*) key2; - int cmp; - - if (o1->encoding == REDIS_ENCODING_INT && - o2->encoding == REDIS_ENCODING_INT) - return o1->ptr == o2->ptr; - - o1 = getDecodedObject(o1); - o2 = getDecodedObject(o2); - cmp = dictSdsKeyCompare(privdata,o1->ptr,o2->ptr); - decrRefCount(o1); - decrRefCount(o2); - return cmp; -} - -unsigned int dictEncObjHash(const void *key) { - robj *o = (robj*) key; - - if (o->encoding == REDIS_ENCODING_RAW) { - return dictGenHashFunction(o->ptr, sdslen((sds)o->ptr)); - } else { - if (o->encoding == REDIS_ENCODING_INT) { - char buf[32]; - int len; - - len = ll2string(buf,32,(long)o->ptr); - return dictGenHashFunction((unsigned char*)buf, len); - } else { - unsigned int hash; - - o = getDecodedObject(o); - hash = dictGenHashFunction(o->ptr, sdslen((sds)o->ptr)); - decrRefCount(o); - return hash; - } - } -} - -/* Sets type hash table */ -dictType setDictType = { - dictEncObjHash, /* hash function */ - NULL, /* key dup */ - NULL, /* val dup */ - dictEncObjKeyCompare, /* key compare */ - dictRedisObjectDestructor, /* key destructor */ - NULL /* val destructor */ -}; - -/* Sorted sets hash (note: a skiplist is used in addition to the hash table) */ -dictType zsetDictType = { - dictEncObjHash, /* hash function */ - NULL, /* key dup */ - NULL, /* val dup */ - dictEncObjKeyCompare, /* key compare */ - dictRedisObjectDestructor, /* key destructor */ - NULL /* val destructor */ -}; - -/* Db->dict, keys are sds strings, vals are Redis objects. */ -dictType dbDictType = { - dictSdsHash, /* hash function */ - NULL, /* key dup */ - NULL, /* val dup */ - dictSdsKeyCompare, /* key compare */ - dictSdsDestructor, /* key destructor */ - dictRedisObjectDestructor /* val destructor */ -}; - -/* server.lua_scripts sha (as sds string) -> scripts (as robj) cache. */ -dictType shaScriptObjectDictType = { - dictSdsCaseHash, /* hash function */ - NULL, /* key dup */ - NULL, /* val dup */ - dictSdsKeyCaseCompare, /* key compare */ - dictSdsDestructor, /* key destructor */ - dictRedisObjectDestructor /* val destructor */ -}; - -/* Db->expires */ -dictType keyptrDictType = { - dictSdsHash, /* hash function */ - NULL, /* key dup */ - NULL, /* val dup */ - dictSdsKeyCompare, /* key compare */ - NULL, /* key destructor */ - NULL /* val destructor */ -}; - -/* Command table. sds string -> command struct pointer. */ -dictType commandTableDictType = { - dictSdsCaseHash, /* hash function */ - NULL, /* key dup */ - NULL, /* val dup */ - dictSdsKeyCaseCompare, /* key compare */ - dictSdsDestructor, /* key destructor */ - NULL /* val destructor */ -}; - -/* Hash type hash table (note that small hashes are represented with zimpaps) */ -dictType hashDictType = { - dictEncObjHash, /* hash function */ - NULL, /* key dup */ - NULL, /* val dup */ - dictEncObjKeyCompare, /* key compare */ - dictRedisObjectDestructor, /* key destructor */ - dictRedisObjectDestructor /* val destructor */ -}; - -/* Keylist hash table type has unencoded redis objects as keys and - * lists as values. It's used for blocking operations (BLPOP) and to - * map swapped keys to a list of clients waiting for this keys to be loaded. */ -dictType keylistDictType = { - dictObjHash, /* hash function */ - NULL, /* key dup */ - NULL, /* val dup */ - dictObjKeyCompare, /* key compare */ - dictRedisObjectDestructor, /* key destructor */ - dictListDestructor /* val destructor */ -}; - -int htNeedsResize(dict *dict) { - long long size, used; - - size = dictSlots(dict); - used = dictSize(dict); - return (size && used && size > DICT_HT_INITIAL_SIZE && - (used*100/size < REDIS_HT_MINFILL)); -} - -/* If the percentage of used slots in the HT reaches REDIS_HT_MINFILL - * we resize the hash table to save memory */ -void tryResizeHashTables(void) { - int j; - - for (j = 0; j < server.dbnum; j++) { - if (htNeedsResize(server.db[j].dict)) - dictResize(server.db[j].dict); - if (htNeedsResize(server.db[j].expires)) - dictResize(server.db[j].expires); - } -} - -/* Our hash table implementation performs rehashing incrementally while - * we write/read from the hash table. Still if the server is idle, the hash - * table will use two tables for a long time. So we try to use 1 millisecond - * of CPU time at every serverCron() loop in order to rehash some key. */ -void incrementallyRehash(void) { - int j; - - for (j = 0; j < server.dbnum; j++) { - /* Keys dictionary */ - if (dictIsRehashing(server.db[j].dict)) { - dictRehashMilliseconds(server.db[j].dict,1); - break; /* already used our millisecond for this loop... */ - } - /* Expires */ - if (dictIsRehashing(server.db[j].expires)) { - dictRehashMilliseconds(server.db[j].expires,1); - break; /* already used our millisecond for this loop... */ - } - } -} - -/* This function is called once a background process of some kind terminates, - * as we want to avoid resizing the hash tables when there is a child in order - * to play well with copy-on-write (otherwise when a resize happens lots of - * memory pages are copied). The goal of this function is to update the ability - * for dict.c to resize the hash tables accordingly to the fact we have o not - * running childs. */ -void updateDictResizePolicy(void) { - if (server.rdb_child_pid == -1 && server.aof_child_pid == -1) - dictEnableResize(); - else - dictDisableResize(); -} - -/* ======================= Cron: called every 100 ms ======================== */ - -/* Try to expire a few timed out keys. The algorithm used is adaptive and - * will use few CPU cycles if there are few expiring keys, otherwise - * it will get more aggressive to avoid that too much memory is used by - * keys that can be removed from the keyspace. */ -void activeExpireCycle(void) { - int j, iteration = 0; - long long start = ustime(), timelimit; - - /* We can use at max REDIS_EXPIRELOOKUPS_TIME_PERC percentage of CPU time - * per iteration. Since this function gets called with a frequency of - * REDIS_HZ times per second, the following is the max amount of - * microseconds we can spend in this function. */ - timelimit = 1000000*REDIS_EXPIRELOOKUPS_TIME_PERC/REDIS_HZ/100; - if (timelimit <= 0) timelimit = 1; - - for (j = 0; j < server.dbnum; j++) { - int expired; - redisDb *db = server.db+j; - - /* Continue to expire if at the end of the cycle more than 25% - * of the keys were expired. */ - do { - unsigned long num = dictSize(db->expires); - unsigned long slots = dictSlots(db->expires); - long long now = mstime(); - - /* When there are less than 1% filled slots getting random - * keys is expensive, so stop here waiting for better times... - * The dictionary will be resized asap. */ - if (num && slots > DICT_HT_INITIAL_SIZE && - (num*100/slots < 1)) break; - - /* The main collection cycle. Sample random keys among keys - * with an expire set, checking for expired ones. */ - expired = 0; - if (num > REDIS_EXPIRELOOKUPS_PER_CRON) - num = REDIS_EXPIRELOOKUPS_PER_CRON; - while (num--) { - dictEntry *de; - long long t; - - if ((de = dictGetRandomKey(db->expires)) == NULL) break; - t = dictGetSignedIntegerVal(de); - if (now > t) { - sds key = dictGetKey(de); - robj *keyobj = createStringObject(key,sdslen(key)); - - propagateExpire(db,keyobj); - dbDelete(db,keyobj); - decrRefCount(keyobj); - expired++; - server.stat_expiredkeys++; - } - } - /* We can't block forever here even if there are many keys to - * expire. So after a given amount of milliseconds return to the - * caller waiting for the other active expire cycle. */ - iteration++; - if ((iteration & 0xf) == 0 && /* check once every 16 cycles. */ - (ustime()-start) > timelimit) return; - } while (expired > REDIS_EXPIRELOOKUPS_PER_CRON/4); - } -} - -void updateLRUClock(void) { - server.lruclock = (server.unixtime/REDIS_LRU_CLOCK_RESOLUTION) & - REDIS_LRU_CLOCK_MAX; -} - - -/* Add a sample to the operations per second array of samples. */ -void trackOperationsPerSecond(void) { - long long t = mstime() - server.ops_sec_last_sample_time; - long long ops = server.stat_numcommands - server.ops_sec_last_sample_ops; - long long ops_sec; - - ops_sec = t > 0 ? (ops*1000/t) : 0; - - server.ops_sec_samples[server.ops_sec_idx] = ops_sec; - server.ops_sec_idx = (server.ops_sec_idx+1) % REDIS_OPS_SEC_SAMPLES; - server.ops_sec_last_sample_time = mstime(); - server.ops_sec_last_sample_ops = server.stat_numcommands; -} - -/* Return the mean of all the samples. */ -long long getOperationsPerSecond(void) { - int j; - long long sum = 0; - - for (j = 0; j < REDIS_OPS_SEC_SAMPLES; j++) - sum += server.ops_sec_samples[j]; - return sum / REDIS_OPS_SEC_SAMPLES; -} - -/* Check for timeouts. Returns non-zero if the client was terminated */ -int clientsCronHandleTimeout(redisClient *c) { - time_t now = server.unixtime; - - if (server.maxidletime && - !(c->flags & REDIS_SLAVE) && /* no timeout for slaves */ - !(c->flags & REDIS_MASTER) && /* no timeout for masters */ - !(c->flags & REDIS_BLOCKED) && /* no timeout for BLPOP */ - dictSize(c->pubsub_channels) == 0 && /* no timeout for pubsub */ - listLength(c->pubsub_patterns) == 0 && - (now - c->lastinteraction > server.maxidletime)) - { - redisLog(REDIS_VERBOSE,"Closing idle client"); - freeClient(c); - return 1; - } else if (c->flags & REDIS_BLOCKED) { - if (c->bpop.timeout != 0 && c->bpop.timeout < now) { - addReply(c,shared.nullmultibulk); - unblockClientWaitingData(c); - } - } - return 0; -} - -/* The client query buffer is an sds.c string that can end with a lot of - * free space not used, this function reclaims space if needed. - * - * The funciton always returns 0 as it never terminates the client. */ -int clientsCronResizeQueryBuffer(redisClient *c) { - size_t querybuf_size = sdsAllocSize(c->querybuf); - time_t idletime = server.unixtime - c->lastinteraction; - - /* There are two conditions to resize the query buffer: - * 1) Query buffer is > BIG_ARG and too big for latest peak. - * 2) Client is inactive and the buffer is bigger than 1k. */ - if (((querybuf_size > REDIS_MBULK_BIG_ARG) && - (querybuf_size/(c->querybuf_peak+1)) > 2) || - (querybuf_size > 1024 && idletime > 2)) - { - /* Only resize the query buffer if it is actually wasting space. */ - if (sdsavail(c->querybuf) > 1024) { - c->querybuf = sdsRemoveFreeSpace(c->querybuf); - } - } - /* Reset the peak again to capture the peak memory usage in the next - * cycle. */ - c->querybuf_peak = 0; - return 0; -} - -void clientsCron(void) { - /* Make sure to process at least 1/(REDIS_HZ*10) of clients per call. - * Since this function is called REDIS_HZ times per second we are sure that - * in the worst case we process all the clients in 10 seconds. - * In normal conditions (a reasonable number of clients) we process - * all the clients in a shorter time. */ - int numclients = listLength(server.clients); - int iterations = numclients/(REDIS_HZ*10); - - if (iterations < 50) - iterations = (numclients < 50) ? numclients : 50; - while(listLength(server.clients) && iterations--) { - redisClient *c; - listNode *head; - - /* Rotate the list, take the current head, process. - * This way if the client must be removed from the list it's the - * first element and we don't incur into O(N) computation. */ - listRotate(server.clients); - head = listFirst(server.clients); - c = listNodeValue(head); - /* The following functions do different service checks on the client. - * The protocol is that they return non-zero if the client was - * terminated. */ - if (clientsCronHandleTimeout(c)) continue; - if (clientsCronResizeQueryBuffer(c)) continue; - } -} - -/* This is our timer interrupt, called REDIS_HZ times per second. - * Here is where we do a number of things that need to be done asynchronously. - * For instance: - * - * - Active expired keys collection (it is also performed in a lazy way on - * lookup). - * - Software watchdong. - * - Update some statistic. - * - Incremental rehashing of the DBs hash tables. - * - Triggering BGSAVE / AOF rewrite, and handling of terminated children. - * - Clients timeout of differnet kinds. - * - Replication reconnection. - * - Many more... - * - * Everything directly called here will be called REDIS_HZ times per second, - * so in order to throttle execution of things we want to do less frequently - * a macro is used: run_with_period(milliseconds) { .... } - */ - -int serverCron(struct aeEventLoop *eventLoop, long long id, void *clientData) { - int j; - REDIS_NOTUSED(eventLoop); - REDIS_NOTUSED(id); - REDIS_NOTUSED(clientData); - - /* Software watchdog: deliver the SIGALRM that will reach the signal - * handler if we don't return here fast enough. */ - if (server.watchdog_period) watchdogScheduleSignal(server.watchdog_period); - - /* We take a cached value of the unix time in the global state because - * with virtual memory and aging there is to store the current time - * in objects at every object access, and accuracy is not needed. - * To access a global var is faster than calling time(NULL) */ - server.unixtime = time(NULL); - - run_with_period(100) trackOperationsPerSecond(); - - /* We have just 22 bits per object for LRU information. - * So we use an (eventually wrapping) LRU clock with 10 seconds resolution. - * 2^22 bits with 10 seconds resoluton is more or less 1.5 years. - * - * Note that even if this will wrap after 1.5 years it's not a problem, - * everything will still work but just some object will appear younger - * to Redis. But for this to happen a given object should never be touched - * for 1.5 years. - * - * Note that you can change the resolution altering the - * REDIS_LRU_CLOCK_RESOLUTION define. - */ - updateLRUClock(); - - /* Record the max memory used since the server was started. */ - if (zmalloc_used_memory() > server.stat_peak_memory) - server.stat_peak_memory = zmalloc_used_memory(); - - /* We received a SIGTERM, shutting down here in a safe way, as it is - * not ok doing so inside the signal handler. */ - if (server.shutdown_asap) { - if (prepareForShutdown(0) == REDIS_OK) exit(0); - redisLog(REDIS_WARNING,"SIGTERM received but errors trying to shut down the server, check the logs for more information"); - } - - /* Show some info about non-empty databases */ - run_with_period(5000) { - for (j = 0; j < server.dbnum; j++) { - long long size, used, vkeys; - - size = dictSlots(server.db[j].dict); - used = dictSize(server.db[j].dict); - vkeys = dictSize(server.db[j].expires); - if (used || vkeys) { - redisLog(REDIS_VERBOSE,"DB %d: %lld keys (%lld volatile) in %lld slots HT.",j,used,vkeys,size); - /* dictPrintStats(server.dict); */ - } - } - } - - /* We don't want to resize the hash tables while a bacground saving - * is in progress: the saving child is created using fork() that is - * implemented with a copy-on-write semantic in most modern systems, so - * if we resize the HT while there is the saving child at work actually - * a lot of memory movements in the parent will cause a lot of pages - * copied. */ - if (server.rdb_child_pid == -1 && server.aof_child_pid == -1) { - tryResizeHashTables(); - if (server.activerehashing) incrementallyRehash(); - } - - /* Show information about connected clients */ - if (!server.sentinel_mode) { - run_with_period(5000) { - redisLog(REDIS_VERBOSE, - "%d clients connected (%d slaves), %zu bytes in use", - listLength(server.clients)-listLength(server.slaves), - listLength(server.slaves), - zmalloc_used_memory()); - } - } - - /* We need to do a few operations on clients asynchronously. */ - clientsCron(); - - /* Start a scheduled AOF rewrite if this was requested by the user while - * a BGSAVE was in progress. */ - if (server.rdb_child_pid == -1 && server.aof_child_pid == -1 && - server.aof_rewrite_scheduled) - { - rewriteAppendOnlyFileBackground(); - } - - /* Check if a background saving or AOF rewrite in progress terminated. */ - if (server.rdb_child_pid != -1 || server.aof_child_pid != -1) { - int statloc; - pid_t pid; - - if ((pid = wait3(&statloc,WNOHANG,NULL)) != 0) { - int exitcode = WEXITSTATUS(statloc); - int bysignal = 0; - - if (WIFSIGNALED(statloc)) bysignal = WTERMSIG(statloc); - - if (pid == server.rdb_child_pid) { - backgroundSaveDoneHandler(exitcode,bysignal); - } else if (pid == server.aof_child_pid) { - backgroundRewriteDoneHandler(exitcode,bysignal); - } else { - redisLog(REDIS_WARNING, - "Warning, detected child with unmatched pid: %ld", - (long)pid); - } - updateDictResizePolicy(); - } - } else { - /* If there is not a background saving/rewrite in progress check if - * we have to save/rewrite now */ - for (j = 0; j < server.saveparamslen; j++) { - struct saveparam *sp = server.saveparams+j; - - if (server.dirty >= sp->changes && - server.unixtime-server.lastsave > sp->seconds) { - redisLog(REDIS_NOTICE,"%d changes in %d seconds. Saving...", - sp->changes, sp->seconds); - rdbSaveBackground(server.rdb_filename); - break; - } - } - - /* Trigger an AOF rewrite if needed */ - if (server.rdb_child_pid == -1 && - server.aof_child_pid == -1 && - server.aof_rewrite_perc && - server.aof_current_size > server.aof_rewrite_min_size) - { - long long base = server.aof_rewrite_base_size ? - server.aof_rewrite_base_size : 1; - long long growth = (server.aof_current_size*100/base) - 100; - if (growth >= server.aof_rewrite_perc) { - redisLog(REDIS_NOTICE,"Starting automatic rewriting of AOF on %lld%% growth",growth); - rewriteAppendOnlyFileBackground(); - } - } - } - - - /* If we postponed an AOF buffer flush, let's try to do it every time the - * cron function is called. */ - if (server.aof_flush_postponed_start) flushAppendOnlyFile(0); - - /* Expire a few keys per cycle, only if this is a master. - * On slaves we wait for DEL operations synthesized by the master - * in order to guarantee a strict consistency. */ - if (server.masterhost == NULL) activeExpireCycle(); - - /* Close clients that need to be closed asynchronous */ - freeClientsInAsyncFreeQueue(); - - /* Replication cron function -- used to reconnect to master and - * to detect transfer failures. */ - run_with_period(1000) replicationCron(); - - /* Run the sentinel timer if we are in sentinel mode. */ - run_with_period(100) { - if (server.sentinel_mode) sentinelTimer(); - } - - server.cronloops++; - return 1000/REDIS_HZ; -} - -/* This function gets called every time Redis is entering the - * main loop of the event driven library, that is, before to sleep - * for ready file descriptors. */ -void beforeSleep(struct aeEventLoop *eventLoop) { - REDIS_NOTUSED(eventLoop); - listNode *ln; - redisClient *c; - - /* Try to process pending commands for clients that were just unblocked. */ - while (listLength(server.unblocked_clients)) { - ln = listFirst(server.unblocked_clients); - redisAssert(ln != NULL); - c = ln->value; - listDelNode(server.unblocked_clients,ln); - c->flags &= ~REDIS_UNBLOCKED; - - /* Process remaining data in the input buffer. */ - if (c->querybuf && sdslen(c->querybuf) > 0) { - server.current_client = c; - processInputBuffer(c); - server.current_client = NULL; - } - } - - /* Write the AOF buffer on disk */ - flushAppendOnlyFile(0); -} - -/* =========================== Server initialization ======================== */ - -void createSharedObjects(void) { - int j; - - shared.crlf = createObject(REDIS_STRING,sdsnew("\r\n")); - shared.ok = createObject(REDIS_STRING,sdsnew("+OK\r\n")); - shared.err = createObject(REDIS_STRING,sdsnew("-ERR\r\n")); - shared.emptybulk = createObject(REDIS_STRING,sdsnew("$0\r\n\r\n")); - shared.czero = createObject(REDIS_STRING,sdsnew(":0\r\n")); - shared.cone = createObject(REDIS_STRING,sdsnew(":1\r\n")); - shared.cnegone = createObject(REDIS_STRING,sdsnew(":-1\r\n")); - shared.nullbulk = createObject(REDIS_STRING,sdsnew("$-1\r\n")); - shared.nullmultibulk = createObject(REDIS_STRING,sdsnew("*-1\r\n")); - shared.emptymultibulk = createObject(REDIS_STRING,sdsnew("*0\r\n")); - shared.pong = createObject(REDIS_STRING,sdsnew("+PONG\r\n")); - shared.queued = createObject(REDIS_STRING,sdsnew("+QUEUED\r\n")); - shared.wrongtypeerr = createObject(REDIS_STRING,sdsnew( - "-ERR Operation against a key holding the wrong kind of value\r\n")); - shared.nokeyerr = createObject(REDIS_STRING,sdsnew( - "-ERR no such key\r\n")); - shared.syntaxerr = createObject(REDIS_STRING,sdsnew( - "-ERR syntax error\r\n")); - shared.sameobjecterr = createObject(REDIS_STRING,sdsnew( - "-ERR source and destination objects are the same\r\n")); - shared.outofrangeerr = createObject(REDIS_STRING,sdsnew( - "-ERR index out of range\r\n")); - shared.noscripterr = createObject(REDIS_STRING,sdsnew( - "-NOSCRIPT No matching script. Please use EVAL.\r\n")); - shared.loadingerr = createObject(REDIS_STRING,sdsnew( - "-LOADING Redis is loading the dataset in memory\r\n")); - shared.slowscripterr = createObject(REDIS_STRING,sdsnew( - "-BUSY Redis is busy running a script. You can only call SCRIPT KILL or SHUTDOWN NOSAVE.\r\n")); - shared.masterdownerr = createObject(REDIS_STRING,sdsnew( - "-MASTERDOWN Link with MASTER is down and slave-serve-stale-data is set to 'no'.\r\n")); - shared.bgsaveerr = createObject(REDIS_STRING,sdsnew( - "-MISCONF Redis is configured to save RDB snapshots, but is currently not able to persist on disk. Commands that may modify the data set are disabled. Please check Redis logs for details about the error.\r\n")); - shared.roslaveerr = createObject(REDIS_STRING,sdsnew( - "-READONLY You can't write against a read only slave.\r\n")); - shared.oomerr = createObject(REDIS_STRING,sdsnew( - "-OOM command not allowed when used memory > 'maxmemory'.\r\n")); - shared.execaborterr = createObject(REDIS_STRING,sdsnew( - "-EXECABORT Transaction discarded because of previous errors.\r\n")); - shared.space = createObject(REDIS_STRING,sdsnew(" ")); - shared.colon = createObject(REDIS_STRING,sdsnew(":")); - shared.plus = createObject(REDIS_STRING,sdsnew("+")); - - for (j = 0; j < REDIS_SHARED_SELECT_CMDS; j++) { - shared.select[j] = createObject(REDIS_STRING, - sdscatprintf(sdsempty(),"select %d\r\n", j)); - } - shared.messagebulk = createStringObject("$7\r\nmessage\r\n",13); - shared.pmessagebulk = createStringObject("$8\r\npmessage\r\n",14); - shared.subscribebulk = createStringObject("$9\r\nsubscribe\r\n",15); - shared.unsubscribebulk = createStringObject("$11\r\nunsubscribe\r\n",18); - shared.psubscribebulk = createStringObject("$10\r\npsubscribe\r\n",17); - shared.punsubscribebulk = createStringObject("$12\r\npunsubscribe\r\n",19); - shared.del = createStringObject("DEL",3); - shared.rpop = createStringObject("RPOP",4); - shared.lpop = createStringObject("LPOP",4); - shared.lpush = createStringObject("LPUSH",5); - for (j = 0; j < REDIS_SHARED_INTEGERS; j++) { - shared.integers[j] = createObject(REDIS_STRING,(void*)(long)j); - shared.integers[j]->encoding = REDIS_ENCODING_INT; - } - for (j = 0; j < REDIS_SHARED_BULKHDR_LEN; j++) { - shared.mbulkhdr[j] = createObject(REDIS_STRING, - sdscatprintf(sdsempty(),"*%d\r\n",j)); - shared.bulkhdr[j] = createObject(REDIS_STRING, - sdscatprintf(sdsempty(),"$%d\r\n",j)); - } -} - -void initServerConfig() { - getRandomHexChars(server.runid,REDIS_RUN_ID_SIZE); - server.runid[REDIS_RUN_ID_SIZE] = '\0'; - server.arch_bits = (sizeof(long) == 8) ? 64 : 32; - server.port = REDIS_SERVERPORT; - server.bindaddr = NULL; - server.unixsocket = NULL; - server.unixsocketperm = 0; - server.ipfd = -1; - server.sofd = -1; - server.dbnum = REDIS_DEFAULT_DBNUM; - server.verbosity = REDIS_NOTICE; - server.maxidletime = REDIS_MAXIDLETIME; - server.client_max_querybuf_len = REDIS_MAX_QUERYBUF_LEN; - server.saveparams = NULL; - server.loading = 0; - server.logfile = NULL; /* NULL = log on standard output */ - server.syslog_enabled = 0; - server.syslog_ident = zstrdup("redis"); - server.syslog_facility = LOG_LOCAL0; - server.daemonize = 0; - server.aof_state = REDIS_AOF_OFF; - server.aof_fsync = AOF_FSYNC_EVERYSEC; - server.aof_no_fsync_on_rewrite = 0; - server.aof_rewrite_perc = REDIS_AOF_REWRITE_PERC; - server.aof_rewrite_min_size = REDIS_AOF_REWRITE_MIN_SIZE; - server.aof_rewrite_base_size = 0; - server.aof_rewrite_scheduled = 0; - server.aof_last_fsync = time(NULL); - server.aof_rewrite_time_last = -1; - server.aof_rewrite_time_start = -1; - server.aof_lastbgrewrite_status = REDIS_OK; - server.aof_delayed_fsync = 0; - server.aof_fd = -1; - server.aof_selected_db = -1; /* Make sure the first time will not match */ - server.aof_flush_postponed_start = 0; - server.pidfile = zstrdup("/var/run/redis.pid"); - server.rdb_filename = zstrdup("dump.rdb"); - server.aof_filename = zstrdup("appendonly.aof"); - server.requirepass = NULL; - server.rdb_compression = 1; - server.rdb_checksum = 1; - server.activerehashing = 1; - server.maxclients = REDIS_MAX_CLIENTS; - server.bpop_blocked_clients = 0; - server.maxmemory = 0; - server.maxmemory_policy = REDIS_MAXMEMORY_VOLATILE_LRU; - server.maxmemory_samples = 3; - server.hash_max_ziplist_entries = REDIS_HASH_MAX_ZIPLIST_ENTRIES; - server.hash_max_ziplist_value = REDIS_HASH_MAX_ZIPLIST_VALUE; - server.list_max_ziplist_entries = REDIS_LIST_MAX_ZIPLIST_ENTRIES; - server.list_max_ziplist_value = REDIS_LIST_MAX_ZIPLIST_VALUE; - server.set_max_intset_entries = REDIS_SET_MAX_INTSET_ENTRIES; - server.zset_max_ziplist_entries = REDIS_ZSET_MAX_ZIPLIST_ENTRIES; - server.zset_max_ziplist_value = REDIS_ZSET_MAX_ZIPLIST_VALUE; - server.shutdown_asap = 0; - server.repl_ping_slave_period = REDIS_REPL_PING_SLAVE_PERIOD; - server.repl_timeout = REDIS_REPL_TIMEOUT; - server.lua_caller = NULL; - server.lua_time_limit = REDIS_LUA_TIME_LIMIT; - server.lua_client = NULL; - server.lua_timedout = 0; - - updateLRUClock(); - resetServerSaveParams(); - - appendServerSaveParams(60*60,1); /* save after 1 hour and 1 change */ - appendServerSaveParams(300,100); /* save after 5 minutes and 100 changes */ - appendServerSaveParams(60,10000); /* save after 1 minute and 10000 changes */ - /* Replication related */ - server.masterauth = NULL; - server.masterhost = NULL; - server.masterport = 6379; - server.master = NULL; - server.repl_state = REDIS_REPL_NONE; - server.repl_syncio_timeout = REDIS_REPL_SYNCIO_TIMEOUT; - server.repl_serve_stale_data = 1; - server.repl_slave_ro = 1; - server.repl_down_since = time(NULL); - server.slave_priority = REDIS_DEFAULT_SLAVE_PRIORITY; - - /* Client output buffer limits */ - server.client_obuf_limits[REDIS_CLIENT_LIMIT_CLASS_NORMAL].hard_limit_bytes = 0; - server.client_obuf_limits[REDIS_CLIENT_LIMIT_CLASS_NORMAL].soft_limit_bytes = 0; - server.client_obuf_limits[REDIS_CLIENT_LIMIT_CLASS_NORMAL].soft_limit_seconds = 0; - server.client_obuf_limits[REDIS_CLIENT_LIMIT_CLASS_SLAVE].hard_limit_bytes = 1024*1024*256; - server.client_obuf_limits[REDIS_CLIENT_LIMIT_CLASS_SLAVE].soft_limit_bytes = 1024*1024*64; - server.client_obuf_limits[REDIS_CLIENT_LIMIT_CLASS_SLAVE].soft_limit_seconds = 60; - server.client_obuf_limits[REDIS_CLIENT_LIMIT_CLASS_PUBSUB].hard_limit_bytes = 1024*1024*32; - server.client_obuf_limits[REDIS_CLIENT_LIMIT_CLASS_PUBSUB].soft_limit_bytes = 1024*1024*8; - server.client_obuf_limits[REDIS_CLIENT_LIMIT_CLASS_PUBSUB].soft_limit_seconds = 60; - - /* Double constants initialization */ - R_Zero = 0.0; - R_PosInf = 1.0/R_Zero; - R_NegInf = -1.0/R_Zero; - R_Nan = R_Zero/R_Zero; - - /* Command table -- we intiialize it here as it is part of the - * initial configuration, since command names may be changed via - * redis.conf using the rename-command directive. */ - server.commands = dictCreate(&commandTableDictType,NULL); - populateCommandTable(); - server.delCommand = lookupCommandByCString("del"); - server.multiCommand = lookupCommandByCString("multi"); - server.lpushCommand = lookupCommandByCString("lpush"); - server.lpopCommand = lookupCommandByCString("lpop"); - server.rpopCommand = lookupCommandByCString("rpop"); - - /* Slow log */ - server.slowlog_log_slower_than = REDIS_SLOWLOG_LOG_SLOWER_THAN; - server.slowlog_max_len = REDIS_SLOWLOG_MAX_LEN; - - /* Debugging */ - server.assert_failed = ""; - server.assert_file = ""; - server.assert_line = 0; - server.bug_report_start = 0; - server.watchdog_period = 0; -} - -/* This function will try to raise the max number of open files accordingly to - * the configured max number of clients. It will also account for 32 additional - * file descriptors as we need a few more for persistence, listening - * sockets, log files and so forth. - * - * If it will not be possible to set the limit accordingly to the configured - * max number of clients, the function will do the reverse setting - * server.maxclients to the value that we can actually handle. */ -void adjustOpenFilesLimit(void) { - rlim_t maxfiles = server.maxclients+32; - struct rlimit limit; - - if (getrlimit(RLIMIT_NOFILE,&limit) == -1) { - redisLog(REDIS_WARNING,"Unable to obtain the current NOFILE limit (%s), assuming 1024 and setting the max clients configuration accordingly.", - strerror(errno)); - server.maxclients = 1024-32; - } else { - rlim_t oldlimit = limit.rlim_cur; - - /* Set the max number of files if the current limit is not enough - * for our needs. */ - if (oldlimit < maxfiles) { - rlim_t f; - - f = maxfiles; - while(f > oldlimit) { - limit.rlim_cur = f; - limit.rlim_max = f; - if (setrlimit(RLIMIT_NOFILE,&limit) != -1) break; - f -= 128; - } - if (f < oldlimit) f = oldlimit; - if (f != maxfiles) { - server.maxclients = f-32; - redisLog(REDIS_WARNING,"Unable to set the max number of files limit to %d (%s), setting the max clients configuration to %d.", - (int) maxfiles, strerror(errno), (int) server.maxclients); - } else { - redisLog(REDIS_NOTICE,"Max number of open files set to %d", - (int) maxfiles); - } - } - } -} - -void initServer() { - int j; - - signal(SIGHUP, SIG_IGN); - signal(SIGPIPE, SIG_IGN); - setupSignalHandlers(); - - if (server.syslog_enabled) { - openlog(server.syslog_ident, LOG_PID | LOG_NDELAY | LOG_NOWAIT, - server.syslog_facility); - } - - server.current_client = NULL; - server.clients = listCreate(); - server.clients_to_close = listCreate(); - server.slaves = listCreate(); - server.monitors = listCreate(); - server.unblocked_clients = listCreate(); - server.ready_keys = listCreate(); - - createSharedObjects(); - adjustOpenFilesLimit(); - server.el = aeCreateEventLoop(server.maxclients+1024); - server.db = zmalloc(sizeof(redisDb)*server.dbnum); - - if (server.port != 0) { - server.ipfd = anetTcpServer(server.neterr,server.port,server.bindaddr); - if (server.ipfd == ANET_ERR) { - redisLog(REDIS_WARNING, "Opening port %d: %s", - server.port, server.neterr); - exit(1); - } - } - if (server.unixsocket != NULL) { - unlink(server.unixsocket); /* don't care if this fails */ - server.sofd = anetUnixServer(server.neterr,server.unixsocket,server.unixsocketperm); - if (server.sofd == ANET_ERR) { - redisLog(REDIS_WARNING, "Opening socket: %s", server.neterr); - exit(1); - } - } - if (server.ipfd < 0 && server.sofd < 0) { - redisLog(REDIS_WARNING, "Configured to not listen anywhere, exiting."); - exit(1); - } - for (j = 0; j < server.dbnum; j++) { - server.db[j].dict = dictCreate(&dbDictType,NULL); - server.db[j].expires = dictCreate(&keyptrDictType,NULL); - server.db[j].blocking_keys = dictCreate(&keylistDictType,NULL); - server.db[j].ready_keys = dictCreate(&setDictType,NULL); - server.db[j].watched_keys = dictCreate(&keylistDictType,NULL); - server.db[j].id = j; - } - server.pubsub_channels = dictCreate(&keylistDictType,NULL); - server.pubsub_patterns = listCreate(); - listSetFreeMethod(server.pubsub_patterns,freePubsubPattern); - listSetMatchMethod(server.pubsub_patterns,listMatchPubsubPattern); - server.cronloops = 0; - server.rdb_child_pid = -1; - server.aof_child_pid = -1; - aofRewriteBufferReset(); - server.aof_buf = sdsempty(); - server.lastsave = time(NULL); - server.rdb_save_time_last = -1; - server.rdb_save_time_start = -1; - server.dirty = 0; - server.stat_numcommands = 0; - server.stat_numconnections = 0; - server.stat_expiredkeys = 0; - server.stat_evictedkeys = 0; - server.stat_starttime = time(NULL); - server.stat_keyspace_misses = 0; - server.stat_keyspace_hits = 0; - server.stat_peak_memory = 0; - server.stat_fork_time = 0; - server.stat_rejected_conn = 0; - memset(server.ops_sec_samples,0,sizeof(server.ops_sec_samples)); - server.ops_sec_idx = 0; - server.ops_sec_last_sample_time = mstime(); - server.ops_sec_last_sample_ops = 0; - server.unixtime = time(NULL); - server.lastbgsave_status = REDIS_OK; - server.stop_writes_on_bgsave_err = 1; - aeCreateTimeEvent(server.el, 1, serverCron, NULL, NULL); - if (server.ipfd > 0 && aeCreateFileEvent(server.el,server.ipfd,AE_READABLE, - acceptTcpHandler,NULL) == AE_ERR) redisPanic("Unrecoverable error creating server.ipfd file event."); - if (server.sofd > 0 && aeCreateFileEvent(server.el,server.sofd,AE_READABLE, - acceptUnixHandler,NULL) == AE_ERR) redisPanic("Unrecoverable error creating server.sofd file event."); - - if (server.aof_state == REDIS_AOF_ON) { - server.aof_fd = open(server.aof_filename, - O_WRONLY|O_APPEND|O_CREAT,0644); - if (server.aof_fd == -1) { - redisLog(REDIS_WARNING, "Can't open the append-only file: %s", - strerror(errno)); - exit(1); - } - } - - /* 32 bit instances are limited to 4GB of address space, so if there is - * no explicit limit in the user provided configuration we set a limit - * at 3 GB using maxmemory with 'noeviction' policy'. This avoids - * useless crashes of the Redis instance for out of memory. */ - if (server.arch_bits == 32 && server.maxmemory == 0) { - redisLog(REDIS_WARNING,"Warning: 32 bit instance detected but no memory limit set. Setting 3 GB maxmemory limit with 'noeviction' policy now."); - server.maxmemory = 3072LL*(1024*1024); /* 3 GB */ - server.maxmemory_policy = REDIS_MAXMEMORY_NO_EVICTION; - } - - scriptingInit(); - slowlogInit(); - bioInit(); - ds_init(); -} - -/* Populates the Redis Command Table starting from the hard coded list - * we have on top of redis.c file. */ -void populateCommandTable(void) { - int j; - int numcommands = sizeof(redisCommandTable)/sizeof(struct redisCommand); - - for (j = 0; j < numcommands; j++) { - struct redisCommand *c = redisCommandTable+j; - char *f = c->sflags; - int retval; - - while(*f != '\0') { - switch(*f) { - case 'w': c->flags |= REDIS_CMD_WRITE; break; - case 'r': c->flags |= REDIS_CMD_READONLY; break; - case 'm': c->flags |= REDIS_CMD_DENYOOM; break; - case 'a': c->flags |= REDIS_CMD_ADMIN; break; - case 'p': c->flags |= REDIS_CMD_PUBSUB; break; - case 'f': c->flags |= REDIS_CMD_FORCE_REPLICATION; break; - case 's': c->flags |= REDIS_CMD_NOSCRIPT; break; - case 'R': c->flags |= REDIS_CMD_RANDOM; break; - case 'S': c->flags |= REDIS_CMD_SORT_FOR_SCRIPT; break; - case 'l': c->flags |= REDIS_CMD_LOADING; break; - case 't': c->flags |= REDIS_CMD_STALE; break; - case 'M': c->flags |= REDIS_CMD_SKIP_MONITOR; break; - default: redisPanic("Unsupported command flag"); break; - } - f++; - } - - retval = dictAdd(server.commands, sdsnew(c->name), c); - assert(retval == DICT_OK); - } -} - -void resetCommandTableStats(void) { - int numcommands = sizeof(redisCommandTable)/sizeof(struct redisCommand); - int j; - - for (j = 0; j < numcommands; j++) { - struct redisCommand *c = redisCommandTable+j; - - c->microseconds = 0; - c->calls = 0; - } -} - -/* ========================== Redis OP Array API ============================ */ - -void redisOpArrayInit(redisOpArray *oa) { - oa->ops = NULL; - oa->numops = 0; -} - -int redisOpArrayAppend(redisOpArray *oa, struct redisCommand *cmd, int dbid, - robj **argv, int argc, int target) -{ - redisOp *op; - - oa->ops = zrealloc(oa->ops,sizeof(redisOp)*(oa->numops+1)); - op = oa->ops+oa->numops; - op->cmd = cmd; - op->dbid = dbid; - op->argv = argv; - op->argc = argc; - op->target = target; - oa->numops++; - return oa->numops; -} - -void redisOpArrayFree(redisOpArray *oa) { - while(oa->numops) { - int j; - redisOp *op; - - oa->numops--; - op = oa->ops+oa->numops; - for (j = 0; j < op->argc; j++) - decrRefCount(op->argv[j]); - zfree(op->argv); - } - zfree(oa->ops); -} - -/* ====================== Commands lookup and execution ===================== */ - -struct redisCommand *lookupCommand(sds name) { - return dictFetchValue(server.commands, name); -} - -struct redisCommand *lookupCommandByCString(char *s) { - struct redisCommand *cmd; - sds name = sdsnew(s); - - cmd = dictFetchValue(server.commands, name); - sdsfree(name); - return cmd; -} - -/* Propagate the specified command (in the context of the specified database id) - * to AOF and Slaves. - * - * flags are an xor between: - * + REDIS_PROPAGATE_NONE (no propagation of command at all) - * + REDIS_PROPAGATE_AOF (propagate into the AOF file if is enabled) - * + REDIS_PROPAGATE_REPL (propagate into the replication link) - */ -void propagate(struct redisCommand *cmd, int dbid, robj **argv, int argc, - int flags) -{ - if (server.aof_state != REDIS_AOF_OFF && flags & REDIS_PROPAGATE_AOF) - feedAppendOnlyFile(cmd,dbid,argv,argc); - if (flags & REDIS_PROPAGATE_REPL && listLength(server.slaves)) - replicationFeedSlaves(server.slaves,dbid,argv,argc); -} - -/* Used inside commands to schedule the propagation of additional commands - * after the current command is propagated to AOF / Replication. */ -void alsoPropagate(struct redisCommand *cmd, int dbid, robj **argv, int argc, - int target) -{ - redisOpArrayAppend(&server.also_propagate,cmd,dbid,argv,argc,target); -} - -/* Call() is the core of Redis execution of a command */ -void call(redisClient *c, int flags) { - long long dirty, start = ustime(), duration; - - /* Sent the command to clients in MONITOR mode, only if the commands are - * not geneated from reading an AOF. */ - if (listLength(server.monitors) && - !server.loading && - !(c->cmd->flags & REDIS_CMD_SKIP_MONITOR)) - { - replicationFeedMonitors(c,server.monitors,c->db->id,c->argv,c->argc); - } - - /* Call the command. */ - redisOpArrayInit(&server.also_propagate); - dirty = server.dirty; - c->cmd->proc(c); - dirty = server.dirty-dirty; - duration = ustime()-start; - - /* When EVAL is called loading the AOF we don't want commands called - * from Lua to go into the slowlog or to populate statistics. */ - if (server.loading && c->flags & REDIS_LUA_CLIENT) - flags &= ~(REDIS_CALL_SLOWLOG | REDIS_CALL_STATS); - - /* Log the command into the Slow log if needed, and populate the - * per-command statistics that we show in INFO commandstats. */ - if (flags & REDIS_CALL_SLOWLOG) - slowlogPushEntryIfNeeded(c->argv,c->argc,duration); - if (flags & REDIS_CALL_STATS) { - c->cmd->microseconds += duration; - c->cmd->calls++; - } - - /* Propagate the command into the AOF and replication link */ - if (flags & REDIS_CALL_PROPAGATE) { - int flags = REDIS_PROPAGATE_NONE; - - if (c->cmd->flags & REDIS_CMD_FORCE_REPLICATION) - flags |= REDIS_PROPAGATE_REPL; - if (dirty) - flags |= (REDIS_PROPAGATE_REPL | REDIS_PROPAGATE_AOF); - if (flags != REDIS_PROPAGATE_NONE) - propagate(c->cmd,c->db->id,c->argv,c->argc,flags); - } - /* Commands such as LPUSH or BRPOPLPUSH may propagate an additional - * PUSH command. */ - if (server.also_propagate.numops) { - int j; - redisOp *rop; - - for (j = 0; j < server.also_propagate.numops; j++) { - rop = &server.also_propagate.ops[j]; - propagate(rop->cmd, rop->dbid, rop->argv, rop->argc, rop->target); - } - redisOpArrayFree(&server.also_propagate); - } - server.stat_numcommands++; -} - -/* If this function gets called we already read a whole - * command, arguments are in the client argv/argc fields. - * processCommand() execute the command or prepare the - * server for a bulk read from the client. - * - * If 1 is returned the client is still alive and valid and - * and other operations can be performed by the caller. Otherwise - * if 0 is returned the client was destroied (i.e. after QUIT). */ -int processCommand(redisClient *c) { - /* The QUIT command is handled separately. Normal command procs will - * go through checking for replication and QUIT will cause trouble - * when FORCE_REPLICATION is enabled and would be implemented in - * a regular command proc. */ - if (!strcasecmp(c->argv[0]->ptr,"quit")) { - addReply(c,shared.ok); - c->flags |= REDIS_CLOSE_AFTER_REPLY; - return REDIS_ERR; - } - - /* Now lookup the command and check ASAP about trivial error conditions - * such as wrong arity, bad command name and so forth. */ - c->cmd = c->lastcmd = lookupCommand(c->argv[0]->ptr); - if (!c->cmd) { - flagTransaction(c); - addReplyErrorFormat(c,"unknown command '%s'", - (char*)c->argv[0]->ptr); - return REDIS_OK; - } else if ((c->cmd->arity > 0 && c->cmd->arity != c->argc) || - (c->argc < -c->cmd->arity)) { - flagTransaction(c); - addReplyErrorFormat(c,"wrong number of arguments for '%s' command", - c->cmd->name); - return REDIS_OK; - } - - /* Check if the user is authenticated */ - if (server.requirepass && !c->authenticated && c->cmd->proc != authCommand) - { - flagTransaction(c); - addReplyError(c,"operation not permitted"); - return REDIS_OK; - } - - /* Handle the maxmemory directive. - * - * First we try to free some memory if possible (if there are volatile - * keys in the dataset). If there are not the only thing we can do - * is returning an error. */ - if (server.maxmemory) { - int retval = freeMemoryIfNeeded(); - if ((c->cmd->flags & REDIS_CMD_DENYOOM) && retval == REDIS_ERR) { - flagTransaction(c); - addReply(c, shared.oomerr); - return REDIS_OK; - } - } - - /* Don't accept write commands if there are problems persisting on disk. */ - if (server.stop_writes_on_bgsave_err && - server.saveparamslen > 0 - && server.lastbgsave_status == REDIS_ERR && - c->cmd->flags & REDIS_CMD_WRITE) - { - flagTransaction(c); - addReply(c, shared.bgsaveerr); - return REDIS_OK; - } - - /* Don't accept write commands if this is a read only slave. But - * accept write commands if this is our master. */ - if (server.masterhost && server.repl_slave_ro && - !(c->flags & REDIS_MASTER) && - c->cmd->flags & REDIS_CMD_WRITE) - { - addReply(c, shared.roslaveerr); - return REDIS_OK; - } - - /* Only allow SUBSCRIBE and UNSUBSCRIBE in the context of Pub/Sub */ - if ((dictSize(c->pubsub_channels) > 0 || listLength(c->pubsub_patterns) > 0) - && - c->cmd->proc != subscribeCommand && - c->cmd->proc != unsubscribeCommand && - c->cmd->proc != psubscribeCommand && - c->cmd->proc != punsubscribeCommand) { - addReplyError(c,"only (P)SUBSCRIBE / (P)UNSUBSCRIBE / QUIT allowed in this context"); - return REDIS_OK; - } - - /* Only allow INFO and SLAVEOF when slave-serve-stale-data is no and - * we are a slave with a broken link with master. */ - if (server.masterhost && server.repl_state != REDIS_REPL_CONNECTED && - server.repl_serve_stale_data == 0 && - !(c->cmd->flags & REDIS_CMD_STALE)) - { - flagTransaction(c); - addReply(c, shared.masterdownerr); - return REDIS_OK; - } - - /* Loading DB? Return an error if the command has not the - * REDIS_CMD_LOADING flag. */ - if (server.loading && !(c->cmd->flags & REDIS_CMD_LOADING)) { - addReply(c, shared.loadingerr); - return REDIS_OK; - } - - /* Lua script too slow? Only allow commands with REDIS_CMD_STALE flag. */ - if (server.lua_timedout && - c->cmd->proc != authCommand && - !(c->cmd->proc == shutdownCommand && - c->argc == 2 && - tolower(((char*)c->argv[1]->ptr)[0]) == 'n') && - !(c->cmd->proc == scriptCommand && - c->argc == 2 && - tolower(((char*)c->argv[1]->ptr)[0]) == 'k')) - { - flagTransaction(c); - addReply(c, shared.slowscripterr); - return REDIS_OK; - } - - /* Exec the command */ - if (c->flags & REDIS_MULTI && - c->cmd->proc != execCommand && c->cmd->proc != discardCommand && - c->cmd->proc != multiCommand && c->cmd->proc != watchCommand) - { - queueMultiCommand(c); - addReply(c,shared.queued); - } else { - call(c,REDIS_CALL_FULL); - if (listLength(server.ready_keys)) - handleClientsBlockedOnLists(); - } - return REDIS_OK; -} - -/*================================== Shutdown =============================== */ - -int prepareForShutdown(int flags) { - int save = flags & REDIS_SHUTDOWN_SAVE; - int nosave = flags & REDIS_SHUTDOWN_NOSAVE; - - redisLog(REDIS_WARNING,"User requested shutdown..."); - /* Kill the saving child if there is a background saving in progress. - We want to avoid race conditions, for instance our saving child may - overwrite the synchronous saving did by SHUTDOWN. */ - if (server.rdb_child_pid != -1) { - redisLog(REDIS_WARNING,"There is a child saving an .rdb. Killing it!"); - kill(server.rdb_child_pid,SIGKILL); - rdbRemoveTempFile(server.rdb_child_pid); - } - if (server.aof_state != REDIS_AOF_OFF) { - /* Kill the AOF saving child as the AOF we already have may be longer - * but contains the full dataset anyway. */ - if (server.aof_child_pid != -1) { - redisLog(REDIS_WARNING, - "There is a child rewriting the AOF. Killing it!"); - kill(server.aof_child_pid,SIGKILL); - } - /* Append only file: fsync() the AOF and exit */ - redisLog(REDIS_NOTICE,"Calling fsync() on the AOF file."); - aof_fsync(server.aof_fd); - } - if ((server.saveparamslen > 0 && !nosave) || save) { - redisLog(REDIS_NOTICE,"Saving the final RDB snapshot before exiting."); - /* Snapshotting. Perform a SYNC SAVE and exit */ - if (rdbSave(server.rdb_filename) != REDIS_OK) { - /* Ooops.. error saving! The best we can do is to continue - * operating. Note that if there was a background saving process, - * in the next cron() Redis will be notified that the background - * saving aborted, handling special stuff like slaves pending for - * synchronization... */ - redisLog(REDIS_WARNING,"Error trying to save the DB, can't exit."); - return REDIS_ERR; - } - } - if (server.daemonize) { - redisLog(REDIS_NOTICE,"Removing the pid file."); - unlink(server.pidfile); - } - /* Close the listening sockets. Apparently this allows faster restarts. */ - if (server.ipfd != -1) close(server.ipfd); - if (server.sofd != -1) close(server.sofd); - if (server.unixsocket) { - redisLog(REDIS_NOTICE,"Removing the unix socket file."); - unlink(server.unixsocket); /* don't care if this fails */ - } - - redisLog(REDIS_WARNING,"Redis is now ready to exit, bye bye..."); - return REDIS_OK; -} - -/*================================== Commands =============================== */ - -/* Return zero if strings are the same, non-zero if they are not. - * The comparison is performed in a way that prevents an attacker to obtain - * information about the nature of the strings just monitoring the execution - * time of the function. - * - * Note that limiting the comparison length to strings up to 512 bytes we - * can avoid leaking any information about the password length and any - * possible branch misprediction related leak. - */ -int time_independent_strcmp(char *a, char *b) { - char bufa[REDIS_AUTHPASS_MAX_LEN], bufb[REDIS_AUTHPASS_MAX_LEN]; - /* The above two strlen perform len(a) + len(b) operations where either - * a or b are fixed (our password) length, and the difference is only - * relative to the length of the user provided string, so no information - * leak is possible in the following two lines of code. */ - int alen = strlen(a); - int blen = strlen(b); - int j; - int diff = 0; - - /* We can't compare strings longer than our static buffers. - * Note that this will never pass the first test in practical circumstances - * so there is no info leak. */ - if (alen > sizeof(bufa) || blen > sizeof(bufb)) return 1; - - memset(bufa,0,sizeof(bufa)); /* Constant time. */ - memset(bufb,0,sizeof(bufb)); /* Constant time. */ - /* Again the time of the following two copies is proportional to - * len(a) + len(b) so no info is leaked. */ - memcpy(bufa,a,alen); - memcpy(bufb,b,blen); - - /* Always compare all the chars in the two buffers without - * conditional expressions. */ - for (j = 0; j < sizeof(bufa); j++) { - diff |= (bufa[j] ^ bufb[j]); - } - /* Length must be equal as well. */ - diff |= alen ^ blen; - return diff; /* If zero strings are the same. */ -} - -void authCommand(redisClient *c) { - if (!server.requirepass) { - addReplyError(c,"Client sent AUTH, but no password is set"); - } else if (!time_independent_strcmp(c->argv[1]->ptr, server.requirepass)) { - c->authenticated = 1; - addReply(c,shared.ok); - } else { - c->authenticated = 0; - addReplyError(c,"invalid password"); - } -} - -void pingCommand(redisClient *c) { - addReply(c,shared.pong); -} - -void echoCommand(redisClient *c) { - addReplyBulk(c,c->argv[1]); -} - -void timeCommand(redisClient *c) { - struct timeval tv; - - /* gettimeofday() can only fail if &tv is a bad addresss so we - * don't check for errors. */ - gettimeofday(&tv,NULL); - addReplyMultiBulkLen(c,2); - addReplyBulkLongLong(c,tv.tv_sec); - addReplyBulkLongLong(c,tv.tv_usec); -} - -/* Convert an amount of bytes into a human readable string in the form - * of 100B, 2G, 100M, 4K, and so forth. */ -void bytesToHuman(char *s, unsigned long long n) { - double d; - - if (n < 1024) { - /* Bytes */ - sprintf(s,"%lluB",n); - return; - } else if (n < (1024*1024)) { - d = (double)n/(1024); - sprintf(s,"%.2fK",d); - } else if (n < (1024LL*1024*1024)) { - d = (double)n/(1024*1024); - sprintf(s,"%.2fM",d); - } else if (n < (1024LL*1024*1024*1024)) { - d = (double)n/(1024LL*1024*1024); - sprintf(s,"%.2fG",d); - } -} - -/* Create the string returned by the INFO command. This is decoupled - * by the INFO command itself as we need to report the same information - * on memory corruption problems. */ -sds genRedisInfoString(char *section) { - sds info = sdsempty(); - time_t uptime = server.unixtime-server.stat_starttime; - int j, numcommands; - struct rusage self_ru, c_ru; - unsigned long lol, bib; - int allsections = 0, defsections = 0; - int sections = 0; - - if (section) { - allsections = strcasecmp(section,"all") == 0; - defsections = strcasecmp(section,"default") == 0; - } - - getrusage(RUSAGE_SELF, &self_ru); - getrusage(RUSAGE_CHILDREN, &c_ru); - getClientsMaxBuffers(&lol,&bib); - - /* Server */ - if (allsections || defsections || !strcasecmp(section,"server")) { - struct utsname name; - char *mode; - - if (server.sentinel_mode) mode = "sentinel"; - else mode = "standalone"; - - if (sections++) info = sdscat(info,"\r\n"); - uname(&name); - info = sdscatprintf(info, - "# Server\r\n" - "redis_version:%s\r\n" - "redis_git_sha1:%s\r\n" - "redis_git_dirty:%d\r\n" - "redis_mode:%s\r\n" - "os:%s %s %s\r\n" - "arch_bits:%d\r\n" - "multiplexing_api:%s\r\n" - "gcc_version:%d.%d.%d\r\n" - "process_id:%ld\r\n" - "run_id:%s\r\n" - "tcp_port:%d\r\n" - "uptime_in_seconds:%ld\r\n" - "uptime_in_days:%ld\r\n" - "lru_clock:%ld\r\n", - REDIS_VERSION, - redisGitSHA1(), - strtol(redisGitDirty(),NULL,10) > 0, - mode, - name.sysname, name.release, name.machine, - server.arch_bits, - aeGetApiName(), -#ifdef __GNUC__ - __GNUC__,__GNUC_MINOR__,__GNUC_PATCHLEVEL__, -#else - 0,0,0, -#endif - (long) getpid(), - server.runid, - server.port, - uptime, - uptime/(3600*24), - (unsigned long) server.lruclock); - } - - /* Clients */ - if (allsections || defsections || !strcasecmp(section,"clients")) { - if (sections++) info = sdscat(info,"\r\n"); - info = sdscatprintf(info, - "# Clients\r\n" - "connected_clients:%lu\r\n" - "client_longest_output_list:%lu\r\n" - "client_biggest_input_buf:%lu\r\n" - "blocked_clients:%d\r\n", - listLength(server.clients)-listLength(server.slaves), - lol, bib, - server.bpop_blocked_clients); - } - - /* Memory */ - if (allsections || defsections || !strcasecmp(section,"memory")) { - char hmem[64]; - char peak_hmem[64]; - - bytesToHuman(hmem,zmalloc_used_memory()); - bytesToHuman(peak_hmem,server.stat_peak_memory); - if (sections++) info = sdscat(info,"\r\n"); - info = sdscatprintf(info, - "# Memory\r\n" - "used_memory:%zu\r\n" - "used_memory_human:%s\r\n" - "used_memory_rss:%zu\r\n" - "used_memory_peak:%zu\r\n" - "used_memory_peak_human:%s\r\n" - "used_memory_lua:%lld\r\n" - "mem_fragmentation_ratio:%.2f\r\n" - "mem_allocator:%s\r\n", - zmalloc_used_memory(), - hmem, - zmalloc_get_rss(), - server.stat_peak_memory, - peak_hmem, - ((long long)lua_gc(server.lua,LUA_GCCOUNT,0))*1024LL, - zmalloc_get_fragmentation_ratio(), - ZMALLOC_LIB - ); - } - - /* Persistence */ - if (allsections || defsections || !strcasecmp(section,"persistence")) { - if (sections++) info = sdscat(info,"\r\n"); - info = sdscatprintf(info, - "# Persistence\r\n" - "loading:%d\r\n" - "rdb_changes_since_last_save:%lld\r\n" - "rdb_bgsave_in_progress:%d\r\n" - "rdb_last_save_time:%ld\r\n" - "rdb_last_bgsave_status:%s\r\n" - "rdb_last_bgsave_time_sec:%ld\r\n" - "rdb_current_bgsave_time_sec:%ld\r\n" - "aof_enabled:%d\r\n" - "aof_rewrite_in_progress:%d\r\n" - "aof_rewrite_scheduled:%d\r\n" - "aof_last_rewrite_time_sec:%ld\r\n" - "aof_current_rewrite_time_sec:%ld\r\n" - "aof_last_bgrewrite_status:%s\r\n", - server.loading, - server.dirty, - server.rdb_child_pid != -1, - server.lastsave, - (server.lastbgsave_status == REDIS_OK) ? "ok" : "err", - server.rdb_save_time_last, - (server.rdb_child_pid == -1) ? - -1 : time(NULL)-server.rdb_save_time_start, - server.aof_state != REDIS_AOF_OFF, - server.aof_child_pid != -1, - server.aof_rewrite_scheduled, - server.aof_rewrite_time_last, - (server.aof_child_pid == -1) ? - -1 : time(NULL)-server.aof_rewrite_time_start, - (server.aof_lastbgrewrite_status == REDIS_OK) ? "ok" : "err"); - - if (server.aof_state != REDIS_AOF_OFF) { - info = sdscatprintf(info, - "aof_current_size:%lld\r\n" - "aof_base_size:%lld\r\n" - "aof_pending_rewrite:%d\r\n" - "aof_buffer_length:%zu\r\n" - "aof_rewrite_buffer_length:%lu\r\n" - "aof_pending_bio_fsync:%llu\r\n" - "aof_delayed_fsync:%lu\r\n", - (long long) server.aof_current_size, - (long long) server.aof_rewrite_base_size, - server.aof_rewrite_scheduled, - sdslen(server.aof_buf), - aofRewriteBufferSize(), - bioPendingJobsOfType(REDIS_BIO_AOF_FSYNC), - server.aof_delayed_fsync); - } - - if (server.loading) { - double perc; - time_t eta, elapsed; - off_t remaining_bytes = server.loading_total_bytes- - server.loading_loaded_bytes; - - perc = ((double)server.loading_loaded_bytes / - server.loading_total_bytes) * 100; - - elapsed = server.unixtime-server.loading_start_time; - if (elapsed == 0) { - eta = 1; /* A fake 1 second figure if we don't have - enough info */ - } else { - eta = (elapsed*remaining_bytes)/server.loading_loaded_bytes; - } - - info = sdscatprintf(info, - "loading_start_time:%ld\r\n" - "loading_total_bytes:%llu\r\n" - "loading_loaded_bytes:%llu\r\n" - "loading_loaded_perc:%.2f\r\n" - "loading_eta_seconds:%ld\r\n" - ,(unsigned long) server.loading_start_time, - (unsigned long long) server.loading_total_bytes, - (unsigned long long) server.loading_loaded_bytes, - perc, - eta - ); - } - } - - /* Stats */ - if (allsections || defsections || !strcasecmp(section,"stats")) { - if (sections++) info = sdscat(info,"\r\n"); - info = sdscatprintf(info, - "# Stats\r\n" - "total_connections_received:%lld\r\n" - "total_commands_processed:%lld\r\n" - "instantaneous_ops_per_sec:%lld\r\n" - "rejected_connections:%lld\r\n" - "expired_keys:%lld\r\n" - "evicted_keys:%lld\r\n" - "keyspace_hits:%lld\r\n" - "keyspace_misses:%lld\r\n" - "pubsub_channels:%ld\r\n" - "pubsub_patterns:%lu\r\n" - "latest_fork_usec:%lld\r\n", - server.stat_numconnections, - server.stat_numcommands, - getOperationsPerSecond(), - server.stat_rejected_conn, - server.stat_expiredkeys, - server.stat_evictedkeys, - server.stat_keyspace_hits, - server.stat_keyspace_misses, - dictSize(server.pubsub_channels), - listLength(server.pubsub_patterns), - server.stat_fork_time); - } - - /* Replication */ - if (allsections || defsections || !strcasecmp(section,"replication")) { - if (sections++) info = sdscat(info,"\r\n"); - info = sdscatprintf(info, - "# Replication\r\n" - "role:%s\r\n", - server.masterhost == NULL ? "master" : "slave"); - if (server.masterhost) { - info = sdscatprintf(info, - "master_host:%s\r\n" - "master_port:%d\r\n" - "master_link_status:%s\r\n" - "master_last_io_seconds_ago:%d\r\n" - "master_sync_in_progress:%d\r\n" - ,server.masterhost, - server.masterport, - (server.repl_state == REDIS_REPL_CONNECTED) ? - "up" : "down", - server.master ? - ((int)(server.unixtime-server.master->lastinteraction)) : -1, - server.repl_state == REDIS_REPL_TRANSFER - ); - - if (server.repl_state == REDIS_REPL_TRANSFER) { - info = sdscatprintf(info, - "master_sync_left_bytes:%lld\r\n" - "master_sync_last_io_seconds_ago:%d\r\n" - , (long long) - (server.repl_transfer_size - server.repl_transfer_read), - (int)(server.unixtime-server.repl_transfer_lastio) - ); - } - - if (server.repl_state != REDIS_REPL_CONNECTED) { - info = sdscatprintf(info, - "master_link_down_since_seconds:%ld\r\n", - (long)server.unixtime-server.repl_down_since); - } - info = sdscatprintf(info, - "slave_priority:%d\r\n" - "slave_read_only:%d\r\n", - server.slave_priority, - server.repl_slave_ro); - } - info = sdscatprintf(info, - "connected_slaves:%lu\r\n", - listLength(server.slaves)); - if (listLength(server.slaves)) { - int slaveid = 0; - listNode *ln; - listIter li; - - listRewind(server.slaves,&li); - while((ln = listNext(&li))) { - redisClient *slave = listNodeValue(ln); - char *state = NULL; - char ip[32]; - int port; - - if (anetPeerToString(slave->fd,ip,&port) == -1) continue; - switch(slave->replstate) { - case REDIS_REPL_WAIT_BGSAVE_START: - case REDIS_REPL_WAIT_BGSAVE_END: - state = "wait_bgsave"; - break; - case REDIS_REPL_SEND_BULK: - state = "send_bulk"; - break; - case REDIS_REPL_ONLINE: - state = "online"; - break; - } - if (state == NULL) continue; - info = sdscatprintf(info,"slave%d:%s,%d,%s\r\n", - slaveid,ip,slave->slave_listening_port,state); - slaveid++; - } - } - } - - /* CPU */ - if (allsections || defsections || !strcasecmp(section,"cpu")) { - if (sections++) info = sdscat(info,"\r\n"); - info = sdscatprintf(info, - "# CPU\r\n" - "used_cpu_sys:%.2f\r\n" - "used_cpu_user:%.2f\r\n" - "used_cpu_sys_children:%.2f\r\n" - "used_cpu_user_children:%.2f\r\n", - (float)self_ru.ru_stime.tv_sec+(float)self_ru.ru_stime.tv_usec/1000000, - (float)self_ru.ru_utime.tv_sec+(float)self_ru.ru_utime.tv_usec/1000000, - (float)c_ru.ru_stime.tv_sec+(float)c_ru.ru_stime.tv_usec/1000000, - (float)c_ru.ru_utime.tv_sec+(float)c_ru.ru_utime.tv_usec/1000000); - } - - /* cmdtime */ - if (allsections || !strcasecmp(section,"commandstats")) { - if (sections++) info = sdscat(info,"\r\n"); - info = sdscatprintf(info, "# Commandstats\r\n"); - numcommands = sizeof(redisCommandTable)/sizeof(struct redisCommand); - for (j = 0; j < numcommands; j++) { - struct redisCommand *c = redisCommandTable+j; - - if (!c->calls) continue; - info = sdscatprintf(info, - "cmdstat_%s:calls=%lld,usec=%lld,usec_per_call=%.2f\r\n", - c->name, c->calls, c->microseconds, - (c->calls == 0) ? 0 : ((float)c->microseconds/c->calls)); - } - } - - /* Key space */ - if (allsections || defsections || !strcasecmp(section,"keyspace")) { - if (sections++) info = sdscat(info,"\r\n"); - info = sdscatprintf(info, "# Keyspace\r\n"); - for (j = 0; j < server.dbnum; j++) { - long long keys, vkeys; - - keys = dictSize(server.db[j].dict); - vkeys = dictSize(server.db[j].expires); - if (keys || vkeys) { - info = sdscatprintf(info, "db%d:keys=%lld,expires=%lld\r\n", - j, keys, vkeys); - } - } - } - return info; -} - -void infoCommand(redisClient *c) { - char *section = c->argc == 2 ? c->argv[1]->ptr : "default"; - - if (c->argc > 2) { - addReply(c,shared.syntaxerr); - return; - } - sds info = genRedisInfoString(section); - addReplySds(c,sdscatprintf(sdsempty(),"$%lu\r\n", - (unsigned long)sdslen(info))); - addReplySds(c,info); - addReply(c,shared.crlf); -} - -void monitorCommand(redisClient *c) { - /* ignore MONITOR if already slave or in monitor mode */ - if (c->flags & REDIS_SLAVE) return; - - c->flags |= (REDIS_SLAVE|REDIS_MONITOR); - c->slaveseldb = 0; - listAddNodeTail(server.monitors,c); - addReply(c,shared.ok); -} - -/* ============================ Maxmemory directive ======================== */ - -/* This function gets called when 'maxmemory' is set on the config file to limit - * the max memory used by the server, before processing a command. - * - * The goal of the function is to free enough memory to keep Redis under the - * configured memory limit. - * - * The function starts calculating how many bytes should be freed to keep - * Redis under the limit, and enters a loop selecting the best keys to - * evict accordingly to the configured policy. - * - * If all the bytes needed to return back under the limit were freed the - * function returns REDIS_OK, otherwise REDIS_ERR is returned, and the caller - * should block the execution of commands that will result in more memory - * used by the server. - */ -int freeMemoryIfNeeded(void) { - size_t mem_used, mem_tofree, mem_freed; - int slaves = listLength(server.slaves); - - /* Remove the size of slaves output buffers and AOF buffer from the - * count of used memory. */ - mem_used = zmalloc_used_memory(); - if (slaves) { - listIter li; - listNode *ln; - - listRewind(server.slaves,&li); - while((ln = listNext(&li))) { - redisClient *slave = listNodeValue(ln); - unsigned long obuf_bytes = getClientOutputBufferMemoryUsage(slave); - if (obuf_bytes > mem_used) - mem_used = 0; - else - mem_used -= obuf_bytes; - } - } - if (server.aof_state != REDIS_AOF_OFF) { - mem_used -= sdslen(server.aof_buf); - mem_used -= aofRewriteBufferSize(); - } - - /* Check if we are over the memory limit. */ - if (mem_used <= server.maxmemory) return REDIS_OK; - - if (server.maxmemory_policy == REDIS_MAXMEMORY_NO_EVICTION) - return REDIS_ERR; /* We need to free memory, but policy forbids. */ - - /* Compute how much memory we need to free. */ - mem_tofree = mem_used - server.maxmemory; - mem_freed = 0; - while (mem_freed < mem_tofree) { - int j, k, keys_freed = 0; - - for (j = 0; j < server.dbnum; j++) { - long bestval = 0; /* just to prevent warning */ - sds bestkey = NULL; - struct dictEntry *de; - redisDb *db = server.db+j; - dict *dict; - - if (server.maxmemory_policy == REDIS_MAXMEMORY_ALLKEYS_LRU || - server.maxmemory_policy == REDIS_MAXMEMORY_ALLKEYS_RANDOM) - { - dict = server.db[j].dict; - } else { - dict = server.db[j].expires; - } - if (dictSize(dict) == 0) continue; - - /* volatile-random and allkeys-random policy */ - if (server.maxmemory_policy == REDIS_MAXMEMORY_ALLKEYS_RANDOM || - server.maxmemory_policy == REDIS_MAXMEMORY_VOLATILE_RANDOM) - { - de = dictGetRandomKey(dict); - bestkey = dictGetKey(de); - } - - /* volatile-lru and allkeys-lru policy */ - else if (server.maxmemory_policy == REDIS_MAXMEMORY_ALLKEYS_LRU || - server.maxmemory_policy == REDIS_MAXMEMORY_VOLATILE_LRU) - { - for (k = 0; k < server.maxmemory_samples; k++) { - sds thiskey; - long thisval; - robj *o; - - de = dictGetRandomKey(dict); - thiskey = dictGetKey(de); - /* When policy is volatile-lru we need an additional lookup - * to locate the real key, as dict is set to db->expires. */ - if (server.maxmemory_policy == REDIS_MAXMEMORY_VOLATILE_LRU) - de = dictFind(db->dict, thiskey); - o = dictGetVal(de); - thisval = estimateObjectIdleTime(o); - - /* Higher idle time is better candidate for deletion */ - if (bestkey == NULL || thisval > bestval) { - bestkey = thiskey; - bestval = thisval; - } - } - } - - /* volatile-ttl */ - else if (server.maxmemory_policy == REDIS_MAXMEMORY_VOLATILE_TTL) { - for (k = 0; k < server.maxmemory_samples; k++) { - sds thiskey; - long thisval; - - de = dictGetRandomKey(dict); - thiskey = dictGetKey(de); - thisval = (long) dictGetVal(de); - - /* Expire sooner (minor expire unix timestamp) is better - * candidate for deletion */ - if (bestkey == NULL || thisval < bestval) { - bestkey = thiskey; - bestval = thisval; - } - } - } - - /* Finally remove the selected key. */ - if (bestkey) { - long long delta; - - robj *keyobj = createStringObject(bestkey,sdslen(bestkey)); - propagateExpire(db,keyobj); - /* We compute the amount of memory freed by dbDelete() alone. - * It is possible that actually the memory needed to propagate - * the DEL in AOF and replication link is greater than the one - * we are freeing removing the key, but we can't account for - * that otherwise we would never exit the loop. - * - * AOF and Output buffer memory will be freed eventually so - * we only care about memory used by the key space. */ - delta = (long long) zmalloc_used_memory(); - dbDelete(db,keyobj); - delta -= (long long) zmalloc_used_memory(); - mem_freed += delta; - server.stat_evictedkeys++; - decrRefCount(keyobj); - keys_freed++; - - /* When the memory to free starts to be big enough, we may - * start spending so much time here that is impossible to - * deliver data to the slaves fast enough, so we force the - * transmission here inside the loop. */ - if (slaves) flushSlavesOutputBuffers(); - } - } - if (!keys_freed) return REDIS_ERR; /* nothing to free... */ - } - return REDIS_OK; -} - -/* =================================== Main! ================================ */ - -#ifdef __linux__ -int linuxOvercommitMemoryValue(void) { - FILE *fp = fopen("/proc/sys/vm/overcommit_memory","r"); - char buf[64]; - - if (!fp) return -1; - if (fgets(buf,64,fp) == NULL) { - fclose(fp); - return -1; - } - fclose(fp); - - return atoi(buf); -} - -void linuxOvercommitMemoryWarning(void) { - if (linuxOvercommitMemoryValue() == 0) { - redisLog(REDIS_WARNING,"WARNING overcommit_memory is set to 0! Background save may fail under low memory condition. To fix this issue add 'vm.overcommit_memory = 1' to /etc/sysctl.conf and then reboot or run the command 'sysctl vm.overcommit_memory=1' for this to take effect."); - } -} -#endif /* __linux__ */ - -void createPidFile(void) { - /* Try to write the pid file in a best-effort way. */ - FILE *fp = fopen(server.pidfile,"w"); - if (fp) { - fprintf(fp,"%d\n",(int)getpid()); - fclose(fp); - } -} - -void daemonize(void) { - int fd; - - if (fork() != 0) exit(0); /* parent exits */ - setsid(); /* create a new session */ - - /* Every output goes to /dev/null. If Redis is daemonized but - * the 'logfile' is set to 'stdout' in the configuration file - * it will not log at all. */ - if ((fd = open("/dev/null", O_RDWR, 0)) != -1) { - dup2(fd, STDIN_FILENO); - dup2(fd, STDOUT_FILENO); - dup2(fd, STDERR_FILENO); - if (fd > STDERR_FILENO) close(fd); - } -} - -void version() { - printf("Redis server v=%s sha=%s:%d malloc=%s bits=%d\n", - REDIS_VERSION, - redisGitSHA1(), - atoi(redisGitDirty()) > 0, - ZMALLOC_LIB, - sizeof(long) == 4 ? 32 : 64); - exit(0); -} - -void usage() { - fprintf(stderr,"Usage: ./redis-server [/path/to/redis.conf] [options]\n"); - fprintf(stderr," ./redis-server - (read config from stdin)\n"); - fprintf(stderr," ./redis-server -v or --version\n"); - fprintf(stderr," ./redis-server -h or --help\n"); - fprintf(stderr," ./redis-server --test-memory \n\n"); - fprintf(stderr,"Examples:\n"); - fprintf(stderr," ./redis-server (run the server with default conf)\n"); - fprintf(stderr," ./redis-server /etc/redis/6379.conf\n"); - fprintf(stderr," ./redis-server --port 7777\n"); - fprintf(stderr," ./redis-server --port 7777 --slaveof 127.0.0.1 8888\n"); - fprintf(stderr," ./redis-server /etc/myredis.conf --loglevel verbose\n\n"); - fprintf(stderr,"Sentinel mode:\n"); - fprintf(stderr," ./redis-server /etc/sentinel.conf --sentinel\n"); - exit(1); -} - -void redisAsciiArt(void) { -#include "asciilogo.h" - char *buf = zmalloc(1024*16); - char *mode = "stand alone"; - - if (server.sentinel_mode) mode = "sentinel"; - - snprintf(buf,1024*16,ascii_logo, - REDIS_VERSION, - redisGitSHA1(), - strtol(redisGitDirty(),NULL,10) > 0, - (sizeof(long) == 8) ? "64" : "32", - mode, server.port, - (long) getpid() - ); - redisLogRaw(REDIS_NOTICE|REDIS_LOG_RAW,buf); - zfree(buf); -} - -static void sigtermHandler(int sig) { - REDIS_NOTUSED(sig); - - redisLogFromHandler(REDIS_WARNING,"Received SIGTERM, scheduling shutdown..."); - server.shutdown_asap = 1; -} - -void setupSignalHandlers(void) { - struct sigaction act; - - /* When the SA_SIGINFO flag is set in sa_flags then sa_sigaction is used. - * Otherwise, sa_handler is used. */ - sigemptyset(&act.sa_mask); - act.sa_flags = 0; - act.sa_handler = sigtermHandler; - sigaction(SIGTERM, &act, NULL); - -#ifdef HAVE_BACKTRACE - sigemptyset(&act.sa_mask); - act.sa_flags = SA_NODEFER | SA_RESETHAND | SA_SIGINFO; - act.sa_sigaction = sigsegvHandler; - sigaction(SIGSEGV, &act, NULL); - sigaction(SIGBUS, &act, NULL); - sigaction(SIGFPE, &act, NULL); - sigaction(SIGILL, &act, NULL); -#endif - return; -} - -void memtest(size_t megabytes, int passes); - -/* Returns 1 if there is --sentinel among the arguments or if - * argv[0] is exactly "redis-sentinel". */ -int checkForSentinelMode(int argc, char **argv) { - int j; - - if (strstr(argv[0],"redis-sentinel") != NULL) return 1; - for (j = 1; j < argc; j++) - if (!strcmp(argv[j],"--sentinel")) return 1; - return 0; -} - -/* Function called at startup to load RDB or AOF file in memory. */ -void loadDataFromDisk(void) { - long long start = ustime(); - if (server.aof_state == REDIS_AOF_ON) { - if (loadAppendOnlyFile(server.aof_filename) == REDIS_OK) - redisLog(REDIS_NOTICE,"DB loaded from append only file: %.3f seconds",(float)(ustime()-start)/1000000); - } else { - if (rdbLoad(server.rdb_filename) == REDIS_OK) { - redisLog(REDIS_NOTICE,"DB loaded from disk: %.3f seconds", - (float)(ustime()-start)/1000000); - } else if (errno != ENOENT) { - redisLog(REDIS_WARNING,"Fatal error loading the DB. Exiting."); - exit(1); - } - } -} - -void redisOutOfMemoryHandler(size_t allocation_size) { - redisLog(REDIS_WARNING,"Out Of Memory allocating %zu bytes!", - allocation_size); - redisPanic("OOM"); -} - -int main(int argc, char **argv) { - struct timeval tv; - - /* We need to initialize our libraries, and the server configuration. */ - zmalloc_enable_thread_safeness(); - zmalloc_set_oom_handler(redisOutOfMemoryHandler); - srand(time(NULL)^getpid()); - gettimeofday(&tv,NULL); - dictSetHashFunctionSeed(tv.tv_sec^tv.tv_usec^getpid()); - server.sentinel_mode = checkForSentinelMode(argc,argv); - initServerConfig(); - - /* We need to init sentinel right now as parsing the configuration file - * in sentinel mode will have the effect of populating the sentinel - * data structures with master nodes to monitor. */ - if (server.sentinel_mode) { - initSentinelConfig(); - initSentinel(); - } - - if (argc >= 2) { - int j = 1; /* First option to parse in argv[] */ - sds options = sdsempty(); - char *configfile = NULL; - - /* Handle special options --help and --version */ - if (strcmp(argv[1], "-v") == 0 || - strcmp(argv[1], "--version") == 0) version(); - if (strcmp(argv[1], "--help") == 0 || - strcmp(argv[1], "-h") == 0) usage(); - if (strcmp(argv[1], "--test-memory") == 0) { - if (argc == 3) { - memtest(atoi(argv[2]),50); - exit(0); - } else { - fprintf(stderr,"Please specify the amount of memory to test in megabytes.\n"); - fprintf(stderr,"Example: ./redis-server --test-memory 4096\n\n"); - exit(1); - } - } - - /* First argument is the config file name? */ - if (argv[j][0] != '-' || argv[j][1] != '-') - configfile = argv[j++]; - /* All the other options are parsed and conceptually appended to the - * configuration file. For instance --port 6380 will generate the - * string "port 6380\n" to be parsed after the actual file name - * is parsed, if any. */ - while(j != argc) { - if (argv[j][0] == '-' && argv[j][1] == '-') { - /* Option name */ - if (sdslen(options)) options = sdscat(options,"\n"); - options = sdscat(options,argv[j]+2); - options = sdscat(options," "); - } else { - /* Option argument */ - options = sdscatrepr(options,argv[j],strlen(argv[j])); - options = sdscat(options," "); - } - j++; - } - resetServerSaveParams(); - loadServerConfig(configfile,options); - sdsfree(options); - } else { - redisLog(REDIS_WARNING, "Warning: no config file specified, using the default config. In order to specify a config file use %s /path/to/%s.conf", argv[0], server.sentinel_mode ? "sentinel" : "redis"); - } - if (server.daemonize) daemonize(); - initServer(); - if (server.daemonize) createPidFile(); - redisAsciiArt(); - - if (!server.sentinel_mode) { - /* Things only needed when not running in Sentinel mode. */ - redisLog(REDIS_WARNING,"Server started, Redis version " REDIS_VERSION); - #ifdef __linux__ - linuxOvercommitMemoryWarning(); - #endif - loadDataFromDisk(); - if (server.ipfd > 0) - redisLog(REDIS_NOTICE,"The server is now ready to accept connections on port %d", server.port); - if (server.sofd > 0) - redisLog(REDIS_NOTICE,"The server is now ready to accept connections at %s", server.unixsocket); - } - - /* Warning the user about suspicious maxmemory setting. */ - if (server.maxmemory > 0 && server.maxmemory < 1024*1024) { - redisLog(REDIS_WARNING,"WARNING: You specified a maxmemory value that is less than 1MB (current value is %llu bytes). Are you sure this is what you really want?", server.maxmemory); - } - - aeSetBeforeSleepProc(server.el,beforeSleep); - aeMain(server.el); - aeDeleteEventLoop(server.el); - return 0; -} - -/* The End */ +/* + * Copyright (c) 2009-2012, Salvatore Sanfilippo + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of Redis nor the names of its contributors may be used + * to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include "redis.h" +#include "slowlog.h" +#include "bio.h" + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/* Our shared "common" objects */ + +struct sharedObjectsStruct shared; + +/* Global vars that are actually used as constants. The following double + * values are used for double on-disk serialization, and are initialized + * at runtime to avoid strange compiler optimizations. */ + +double R_Zero, R_PosInf, R_NegInf, R_Nan; + +/*================================= Globals ================================= */ + +/* Global vars */ +struct redisServer server; /* server global state */ +struct redisCommand *commandTable; + +/* Our command table. + * + * Every entry is composed of the following fields: + * + * name: a string representing the command name. + * function: pointer to the C function implementing the command. + * arity: number of arguments, it is possible to use -N to say >= N + * sflags: command flags as string. See below for a table of flags. + * flags: flags as bitmask. Computed by Redis using the 'sflags' field. + * get_keys_proc: an optional function to get key arguments from a command. + * This is only used when the following three fields are not + * enough to specify what arguments are keys. + * first_key_index: first argument that is a key + * last_key_index: last argument that is a key + * key_step: step to get all the keys from first to last argument. For instance + * in MSET the step is two since arguments are key,val,key,val,... + * microseconds: microseconds of total execution time for this command. + * calls: total number of calls of this command. + * + * The flags, microseconds and calls fields are computed by Redis and should + * always be set to zero. + * + * Command flags are expressed using strings where every character represents + * a flag. Later the populateCommandTable() function will take care of + * populating the real 'flags' field using this characters. + * + * This is the meaning of the flags: + * + * w: write command (may modify the key space). + * r: read command (will never modify the key space). + * m: may increase memory usage once called. Don't allow if out of memory. + * a: admin command, like SAVE or SHUTDOWN. + * p: Pub/Sub related command. + * f: force replication of this command, regardless of server.dirty. + * s: command not allowed in scripts. + * R: random command. Command is not deterministic, that is, the same command + * with the same arguments, with the same key space, may have different + * results. For instance SPOP and RANDOMKEY are two random commands. + * S: Sort command output array if called from script, so that the output + * is deterministic. + * l: Allow command while loading the database. + * t: Allow command while a slave has stale data but is not allowed to + * server this data. Normally no command is accepted in this condition + * but just a few. + * M: Do not automatically propagate the command on MONITOR. + */ +struct redisCommand redisCommandTable[] = { + {"ds_get",ds_get,2,"r",0,NULL,1,1,1,0,0}, + {"rl_get",rl_get,2,"r",0,NULL,1,1,1,0,0}, + {"rl_getset",rl_getset,2,"r",0,NULL,1,1,1,0,0}, + {"ds_mget",ds_mget,-2,"r",0,NULL,1,-1,1,0,0}, + {"ds_mset",ds_mset,-3,"wm",0,NULL,1,-1,2,0,0}, + {"rl_mset",rl_mset,-3,"wm",0,NULL,1,-1,2,0,0}, + {"rl_mget",rl_mget,-2,"r",0,NULL,1,-1,1,0,0}, + {"rl_mgetset",rl_mgetset,-2,"r",0,NULL,1,-1,1,0,0}, + {"ds_del",ds_delete,-2,"w",0,noPreloadGetKeys,1,-1,1,0,0}, + {"rl_del",rl_delete,-2,"w",0,noPreloadGetKeys,1,-1,1,0,0}, + {"ds_set",ds_set,3,"wm",0,noPreloadGetKeys,1,1,1,0,0}, + {"rl_set",rl_set,3,"wm",0,noPreloadGetKeys,1,1,1,0,0}, + {"ds_hset",ds_hset,4,"wm",0,NULL,1,1,1,0,0}, + {"ds_hsetnx",ds_hsetnx,4,"wm",0,NULL,1,1,1,0,0}, + {"rl_hset",rl_hset,4,"wm",0,NULL,1,1,1,0,0}, + {"ds_hdel",ds_hdel,-2,"w",0,noPreloadGetKeys,1,-1,1,0,0}, + {"rl_hdel",rl_hdel,-2,"w",0,noPreloadGetKeys,1,-1,1,0,0}, + {"ds_hget",ds_hget,3,"r",0,NULL,1,1,1,0,0}, + {"rl_hget",rl_hget,3,"r",0,NULL,1,1,1,0,0}, + {"rl_hgetset",rl_hgetset,3,"r",0,NULL,1,1,1,0,0}, + {"ds_hmget",ds_hmget,-3,"r",0,NULL,1,1,1,0,0}, + {"ds_hmset",ds_hmset,-4,"wm",0,NULL,1,1,1,0,0}, + {"rl_hmget",rl_hmget,-3,"r",0,NULL,1,1,1,0,0}, + {"rl_hmgetset",rl_hmgetset,-3,"r",0,NULL,1,1,1,0,0}, + {"rl_hmset",rl_hmset,-4,"wm",0,NULL,1,1,1,0,0}, + {"ds_hincrby",ds_hincrby,4,"wm",0,NULL,1,1,1,0,0}, + {"ds_hgetall",ds_hgetall,2,"r",0,NULL,1,1,1,0,0}, + {"rl_hgetall",rl_hgetall,2,"r",0,NULL,1,1,1,0,0}, + {"ds_hkeys",ds_hkeys,2,"r",0,NULL,1,1,1,0,0}, + {"rl_hkeys",rl_hkeys,2,"r",0,NULL,1,1,1,0,0}, + {"ds_hlen",ds_hlen,2,"r",0,NULL,1,1,1,0,0}, + {"rl_hlen",rl_hlen,2,"r",0,NULL,1,1,1,0,0}, + {"ds_hvals",ds_hvals,2,"r",0,NULL,1,1,1,0,0}, + {"rl_hvals",rl_hvals,2,"r",0,NULL,1,1,1,0,0}, + {"ds_append",ds_append,3,"wm",0,NULL,1,1,1,0,0}, + {"ds_incrby",ds_incrby,3,"wm",0,NULL,1,1,1,0,0}, + {"ds_exists",ds_exists,-2,"r",0,NULL,1,-1,1,0,0}, + {"ds_hexists",ds_hexists,-2,"r",0,NULL,1,-1,1,0,0}, + + {"ds_keys_asc",ds_keys_asc,-1,"r",0,NULL,1,1,1,0,0}, + {"ds_hkeys_asc",ds_hkeys_asc,-1,"r",0,NULL,1,1,1,0,0}, + {"ds_keys_desc",ds_keys_desc,-1,"r",0,NULL,1,1,1,0,0}, + {"ds_hkeys_desc",ds_hkeys_desc,-1,"r",0,NULL,1,1,1,0,0}, + {"ds_keys_count",ds_keys_count,3,"r",0,NULL,1,1,1,0,0}, + {"ds_hkeys_count",ds_hkeys_count,3,"r",0,NULL,1,1,1,0,0}, + + {"get",getCommand,2,"r",0,NULL,1,1,1,0,0}, + {"set",setCommand,3,"wm",0,noPreloadGetKeys,1,1,1,0,0}, + {"setnx",setnxCommand,3,"wm",0,noPreloadGetKeys,1,1,1,0,0}, + {"setex",setexCommand,4,"wm",0,noPreloadGetKeys,1,1,1,0,0}, + {"setnex",setnexCommand,4,"wm",0,noPreloadGetKeys,1,1,1,0,0}, + {"psetex",psetexCommand,4,"wm",0,noPreloadGetKeys,1,1,1,0,0}, + {"append",appendCommand,3,"wm",0,NULL,1,1,1,0,0}, + {"strlen",strlenCommand,2,"r",0,NULL,1,1,1,0,0}, + {"del",delCommand,-2,"w",0,noPreloadGetKeys,1,-1,1,0,0}, + {"exists",existsCommand,2,"r",0,NULL,1,1,1,0,0}, + {"setbit",setbitCommand,4,"wm",0,NULL,1,1,1,0,0}, + {"getbit",getbitCommand,3,"r",0,NULL,1,1,1,0,0}, + {"setrange",setrangeCommand,4,"wm",0,NULL,1,1,1,0,0}, + {"getrange",getrangeCommand,4,"r",0,NULL,1,1,1,0,0}, + {"substr",getrangeCommand,4,"r",0,NULL,1,1,1,0,0}, + {"incr",incrCommand,2,"wm",0,NULL,1,1,1,0,0}, + {"decr",decrCommand,2,"wm",0,NULL,1,1,1,0,0}, + {"mget",mgetCommand,-2,"r",0,NULL,1,-1,1,0,0}, + {"rpush",rpushCommand,-3,"wm",0,NULL,1,1,1,0,0}, + {"lpush",lpushCommand,-3,"wm",0,NULL,1,1,1,0,0}, + {"rpushx",rpushxCommand,3,"wm",0,NULL,1,1,1,0,0}, + {"lpushx",lpushxCommand,3,"wm",0,NULL,1,1,1,0,0}, + {"linsert",linsertCommand,5,"wm",0,NULL,1,1,1,0,0}, + {"rpop",rpopCommand,2,"w",0,NULL,1,1,1,0,0}, + {"lpop",lpopCommand,2,"w",0,NULL,1,1,1,0,0}, + {"brpop",brpopCommand,-3,"ws",0,NULL,1,1,1,0,0}, + {"brpoplpush",brpoplpushCommand,4,"wms",0,NULL,1,2,1,0,0}, + {"blpop",blpopCommand,-3,"ws",0,NULL,1,-2,1,0,0}, + {"llen",llenCommand,2,"r",0,NULL,1,1,1,0,0}, + {"lindex",lindexCommand,3,"r",0,NULL,1,1,1,0,0}, + {"lset",lsetCommand,4,"wm",0,NULL,1,1,1,0,0}, + {"lrange",lrangeCommand,4,"r",0,NULL,1,1,1,0,0}, + {"lall",lallCommand,3,"w",0,NULL,1,1,1,0,0}, + {"rall",rallCommand,3,"w",0,NULL,1,1,1,0,0}, + {"ltrim",ltrimCommand,4,"w",0,NULL,1,1,1,0,0}, + {"lrem",lremCommand,4,"w",0,NULL,1,1,1,0,0}, + {"rpoplpush",rpoplpushCommand,3,"wm",0,NULL,1,2,1,0,0}, + {"sadd",saddCommand,-3,"wm",0,NULL,1,1,1,0,0}, + {"srem",sremCommand,-3,"w",0,NULL,1,1,1,0,0}, + {"smove",smoveCommand,4,"w",0,NULL,1,2,1,0,0}, + {"sismember",sismemberCommand,3,"r",0,NULL,1,1,1,0,0}, + {"scard",scardCommand,2,"r",0,NULL,1,1,1,0,0}, + {"spop",spopCommand,2,"wRs",0,NULL,1,1,1,0,0}, + {"srandmember",srandmemberCommand,-2,"rR",0,NULL,1,1,1,0,0}, + {"sinter",sinterCommand,-2,"rS",0,NULL,1,-1,1,0,0}, + {"sinterstore",sinterstoreCommand,-3,"wm",0,NULL,1,-1,1,0,0}, + {"sunion",sunionCommand,-2,"rS",0,NULL,1,-1,1,0,0}, + {"sunionstore",sunionstoreCommand,-3,"wm",0,NULL,1,-1,1,0,0}, + {"sdiff",sdiffCommand,-2,"rS",0,NULL,1,-1,1,0,0}, + {"sdiffstore",sdiffstoreCommand,-3,"wm",0,NULL,1,-1,1,0,0}, + {"smembers",sinterCommand,2,"rS",0,NULL,1,1,1,0,0}, + {"zadd",zaddCommand,-4,"wm",0,NULL,1,1,1,0,0}, + {"zincrby",zincrbyCommand,4,"wm",0,NULL,1,1,1,0,0}, + {"zrem",zremCommand,-3,"w",0,NULL,1,1,1,0,0}, + {"zremrangebyscore",zremrangebyscoreCommand,4,"w",0,NULL,1,1,1,0,0}, + {"zremrangebyrank",zremrangebyrankCommand,4,"w",0,NULL,1,1,1,0,0}, + {"zunionstore",zunionstoreCommand,-4,"wm",0,zunionInterGetKeys,0,0,0,0,0}, + {"zinterstore",zinterstoreCommand,-4,"wm",0,zunionInterGetKeys,0,0,0,0,0}, + {"zrange",zrangeCommand,-4,"r",0,NULL,1,1,1,0,0}, + {"zrangebyscore",zrangebyscoreCommand,-4,"r",0,NULL,1,1,1,0,0}, + {"zrevrangebyscore",zrevrangebyscoreCommand,-4,"r",0,NULL,1,1,1,0,0}, + {"zcount",zcountCommand,4,"r",0,NULL,1,1,1,0,0}, + {"zrevrange",zrevrangeCommand,-4,"r",0,NULL,1,1,1,0,0}, + {"zcard",zcardCommand,2,"r",0,NULL,1,1,1,0,0}, + {"zscore",zscoreCommand,3,"r",0,NULL,1,1,1,0,0}, + {"zrank",zrankCommand,3,"r",0,NULL,1,1,1,0,0}, + {"zrevrank",zrevrankCommand,3,"r",0,NULL,1,1,1,0,0}, + {"hset",hsetCommand,4,"wm",0,NULL,1,1,1,0,0}, + {"hsetnx",hsetnxCommand,4,"wm",0,NULL,1,1,1,0,0}, + {"hget",hgetCommand,3,"r",0,NULL,1,1,1,0,0}, + {"hmset",hmsetCommand,-4,"wm",0,NULL,1,1,1,0,0}, + {"hmget",hmgetCommand,-3,"r",0,NULL,1,1,1,0,0}, + {"hincrby",hincrbyCommand,4,"wm",0,NULL,1,1,1,0,0}, + {"hincrbyfloat",hincrbyfloatCommand,4,"wm",0,NULL,1,1,1,0,0}, + {"hdel",hdelCommand,-3,"w",0,NULL,1,1,1,0,0}, + {"hlen",hlenCommand,2,"r",0,NULL,1,1,1,0,0}, + {"hkeys",hkeysCommand,2,"rS",0,NULL,1,1,1,0,0}, + {"hvals",hvalsCommand,2,"rS",0,NULL,1,1,1,0,0}, + {"hgetall",hgetallCommand,2,"r",0,NULL,1,1,1,0,0}, + {"hexists",hexistsCommand,3,"r",0,NULL,1,1,1,0,0}, + {"incrby",incrbyCommand,3,"wm",0,NULL,1,1,1,0,0}, + {"decrby",decrbyCommand,3,"wm",0,NULL,1,1,1,0,0}, + {"incrbyfloat",incrbyfloatCommand,3,"wm",0,NULL,1,1,1,0,0}, + {"getset",getsetCommand,3,"wm",0,NULL,1,1,1,0,0}, + {"mset",msetCommand,-3,"wm",0,NULL,1,-1,2,0,0}, + {"msetnx",msetnxCommand,-3,"wm",0,NULL,1,-1,2,0,0}, + {"randomkey",randomkeyCommand,1,"rR",0,NULL,0,0,0,0,0}, + {"select",selectCommand,2,"rl",0,NULL,0,0,0,0,0}, + {"move",moveCommand,3,"w",0,NULL,1,1,1,0,0}, + {"rename",renameCommand,3,"w",0,renameGetKeys,1,2,1,0,0}, + {"renamenx",renamenxCommand,3,"w",0,renameGetKeys,1,2,1,0,0}, + {"expire",expireCommand,3,"w",0,NULL,1,1,1,0,0}, + {"expireat",expireatCommand,3,"w",0,NULL,1,1,1,0,0}, + {"pexpire",pexpireCommand,3,"w",0,NULL,1,1,1,0,0}, + {"pexpireat",pexpireatCommand,3,"w",0,NULL,1,1,1,0,0}, + {"keys",keysCommand,2,"rS",0,NULL,0,0,0,0,0}, + {"dbsize",dbsizeCommand,1,"r",0,NULL,0,0,0,0,0}, + {"auth",authCommand,2,"rsl",0,NULL,0,0,0,0,0}, + {"ping",pingCommand,1,"r",0,NULL,0,0,0,0,0}, + {"echo",echoCommand,2,"r",0,NULL,0,0,0,0,0}, + {"save",saveCommand,1,"ars",0,NULL,0,0,0,0,0}, + {"bgsave",bgsaveCommand,1,"ar",0,NULL,0,0,0,0,0}, + {"bgrewriteaof",bgrewriteaofCommand,1,"ar",0,NULL,0,0,0,0,0}, + {"shutdown",shutdownCommand,-1,"ar",0,NULL,0,0,0,0,0}, + {"lastsave",lastsaveCommand,1,"rR",0,NULL,0,0,0,0,0}, + {"type",typeCommand,2,"r",0,NULL,1,1,1,0,0}, + {"multi",multiCommand,1,"rs",0,NULL,0,0,0,0,0}, + {"exec",execCommand,1,"sM",0,NULL,0,0,0,0,0}, + {"discard",discardCommand,1,"rs",0,NULL,0,0,0,0,0}, + {"sync",syncCommand,1,"ars",0,NULL,0,0,0,0,0}, + {"replconf",replconfCommand,-1,"ars",0,NULL,0,0,0,0,0}, + {"flushdb",flushdbCommand,1,"w",0,NULL,0,0,0,0,0}, + {"flushall",flushallCommand,1,"w",0,NULL,0,0,0,0,0}, + {"sort",sortCommand,-2,"wm",0,NULL,1,1,1,0,0}, + {"info",infoCommand,-1,"rlt",0,NULL,0,0,0,0,0}, + {"monitor",monitorCommand,1,"ars",0,NULL,0,0,0,0,0}, + {"ttl",ttlCommand,2,"r",0,NULL,1,1,1,0,0}, + {"pttl",pttlCommand,2,"r",0,NULL,1,1,1,0,0}, + {"persist",persistCommand,2,"w",0,NULL,1,1,1,0,0}, + {"slaveof",slaveofCommand,3,"ast",0,NULL,0,0,0,0,0}, + {"debug",debugCommand,-2,"as",0,NULL,0,0,0,0,0}, + {"config",configCommand,-2,"ar",0,NULL,0,0,0,0,0}, + {"subscribe",subscribeCommand,-2,"rpslt",0,NULL,0,0,0,0,0}, + {"unsubscribe",unsubscribeCommand,-1,"rpslt",0,NULL,0,0,0,0,0}, + {"psubscribe",psubscribeCommand,-2,"rpslt",0,NULL,0,0,0,0,0}, + {"punsubscribe",punsubscribeCommand,-1,"rpslt",0,NULL,0,0,0,0,0}, + {"publish",publishCommand,3,"pfltr",0,NULL,0,0,0,0,0}, + {"watch",watchCommand,-2,"rs",0,noPreloadGetKeys,1,-1,1,0,0}, + {"unwatch",unwatchCommand,1,"rs",0,NULL,0,0,0,0,0}, + {"restore",restoreCommand,4,"awm",0,NULL,1,1,1,0,0}, + {"migrate",migrateCommand,6,"aw",0,NULL,0,0,0,0,0}, + {"dump",dumpCommand,2,"ar",0,NULL,1,1,1,0,0}, + {"object",objectCommand,-2,"r",0,NULL,2,2,2,0,0}, + {"client",clientCommand,-2,"ar",0,NULL,0,0,0,0,0}, + {"eval",evalCommand,-3,"s",0,zunionInterGetKeys,0,0,0,0,0}, + {"evalsha",evalShaCommand,-3,"s",0,zunionInterGetKeys,0,0,0,0,0}, + {"slowlog",slowlogCommand,-2,"r",0,NULL,0,0,0,0,0}, + {"script",scriptCommand,-2,"ras",0,NULL,0,0,0,0,0}, + {"time",timeCommand,1,"rR",0,NULL,0,0,0,0,0}, + {"bitop",bitopCommand,-4,"wm",0,NULL,2,-1,1,0,0}, + {"bitcount",bitcountCommand,-2,"r",0,NULL,1,1,1,0,0} +}; + +/*============================ Utility functions ============================ */ + +/* Low level logging. To use only for very big messages, otherwise + * redisLog() is to prefer. */ +void redisLogRaw(int level, const char *msg) { + const int syslogLevelMap[] = { LOG_DEBUG, LOG_INFO, LOG_NOTICE, LOG_WARNING }; + const char *c = ".-*#"; + FILE *fp; + char buf[64]; + int rawmode = (level & REDIS_LOG_RAW); + + level &= 0xff; /* clear flags */ + if (level < server.verbosity) return; + + fp = (server.logfile == NULL) ? stdout : fopen(server.logfile,"a"); + if (!fp) return; + + if (rawmode) { + fprintf(fp,"%s",msg); + } else { + int off; + struct timeval tv; + + gettimeofday(&tv,NULL); + off = strftime(buf,sizeof(buf),"%d %b %H:%M:%S.",localtime(&tv.tv_sec)); + snprintf(buf+off,sizeof(buf)-off,"%03d",(int)tv.tv_usec/1000); + fprintf(fp,"[%d] %s %c %s\n",(int)getpid(),buf,c[level],msg); + } + fflush(fp); + + if (server.logfile) fclose(fp); + + if (server.syslog_enabled) syslog(syslogLevelMap[level], "%s", msg); +} + +/* Like redisLogRaw() but with printf-alike support. This is the function that + * is used across the code. The raw version is only used in order to dump + * the INFO output on crash. */ +void redisLog(int level, const char *fmt, ...) { + va_list ap; + char msg[REDIS_MAX_LOGMSG_LEN]; + + if ((level&0xff) < server.verbosity) return; + + va_start(ap, fmt); + vsnprintf(msg, sizeof(msg), fmt, ap); + va_end(ap); + + redisLogRaw(level,msg); +} + +/* Log a fixed message without printf-alike capabilities, in a way that is + * safe to call from a signal handler. + * + * We actually use this only for signals that are not fatal from the point + * of view of Redis. Signals that are going to kill the server anyway and + * where we need printf-alike features are served by redisLog(). */ +void redisLogFromHandler(int level, const char *msg) { + int fd; + char buf[64]; + + if ((level&0xff) < server.verbosity || + (server.logfile == NULL && server.daemonize)) return; + fd = server.logfile ? + open(server.logfile, O_APPEND|O_CREAT|O_WRONLY, 0644) : + STDOUT_FILENO; + if (fd == -1) return; + ll2string(buf,sizeof(buf),getpid()); + if (write(fd,"[",1) == -1) goto err; + if (write(fd,buf,strlen(buf)) == -1) goto err; + if (write(fd," | signal handler] (",20) == -1) goto err; + ll2string(buf,sizeof(buf),time(NULL)); + if (write(fd,buf,strlen(buf)) == -1) goto err; + if (write(fd,") ",2) == -1) goto err; + if (write(fd,msg,strlen(msg)) == -1) goto err; + if (write(fd,"\n",1) == -1) goto err; +err: + if (server.logfile) close(fd); +} + +/* Return the UNIX time in microseconds */ +long long ustime(void) { + struct timeval tv; + long long ust; + + gettimeofday(&tv, NULL); + ust = ((long long)tv.tv_sec)*1000000; + ust += tv.tv_usec; + return ust; +} + +/* Return the UNIX time in milliseconds */ +long long mstime(void) { + return ustime()/1000; +} + +/* After an RDB dump or AOF rewrite we exit from children using _exit() instead of + * exit(), because the latter may interact with the same file objects used by + * the parent process. However if we are testing the coverage normal exit() is + * used in order to obtain the right coverage information. */ +void exitFromChild(int retcode) { +#ifdef COVERAGE_TEST + exit(retcode); +#else + _exit(retcode); +#endif +} + +/*====================== Hash table type implementation ==================== */ + +/* This is an hash table type that uses the SDS dynamic strings library as + * keys and radis objects as values (objects can hold SDS strings, + * lists, sets). */ + +void dictVanillaFree(void *privdata, void *val) +{ + DICT_NOTUSED(privdata); + zfree(val); +} + +void dictListDestructor(void *privdata, void *val) +{ + DICT_NOTUSED(privdata); + listRelease((list*)val); +} + +int dictSdsKeyCompare(void *privdata, const void *key1, + const void *key2) +{ + int l1,l2; + DICT_NOTUSED(privdata); + + l1 = sdslen((sds)key1); + l2 = sdslen((sds)key2); + if (l1 != l2) return 0; + return memcmp(key1, key2, l1) == 0; +} + +/* A case insensitive version used for the command lookup table and other + * places where case insensitive non binary-safe comparison is needed. */ +int dictSdsKeyCaseCompare(void *privdata, const void *key1, + const void *key2) +{ + DICT_NOTUSED(privdata); + + return strcasecmp(key1, key2) == 0; +} + +void dictRedisObjectDestructor(void *privdata, void *val) +{ + DICT_NOTUSED(privdata); + + if (val == NULL) return; /* Values of swapped out keys as set to NULL */ + decrRefCount(val); +} + +void dictSdsDestructor(void *privdata, void *val) +{ + DICT_NOTUSED(privdata); + + sdsfree(val); +} + +int dictObjKeyCompare(void *privdata, const void *key1, + const void *key2) +{ + const robj *o1 = key1, *o2 = key2; + return dictSdsKeyCompare(privdata,o1->ptr,o2->ptr); +} + +unsigned int dictObjHash(const void *key) { + const robj *o = key; + return dictGenHashFunction(o->ptr, sdslen((sds)o->ptr)); +} + +unsigned int dictSdsHash(const void *key) { + return dictGenHashFunction((unsigned char*)key, sdslen((char*)key)); +} + +unsigned int dictSdsCaseHash(const void *key) { + return dictGenCaseHashFunction((unsigned char*)key, sdslen((char*)key)); +} + +int dictEncObjKeyCompare(void *privdata, const void *key1, + const void *key2) +{ + robj *o1 = (robj*) key1, *o2 = (robj*) key2; + int cmp; + + if (o1->encoding == REDIS_ENCODING_INT && + o2->encoding == REDIS_ENCODING_INT) + return o1->ptr == o2->ptr; + + o1 = getDecodedObject(o1); + o2 = getDecodedObject(o2); + cmp = dictSdsKeyCompare(privdata,o1->ptr,o2->ptr); + decrRefCount(o1); + decrRefCount(o2); + return cmp; +} + +unsigned int dictEncObjHash(const void *key) { + robj *o = (robj*) key; + + if (o->encoding == REDIS_ENCODING_RAW) { + return dictGenHashFunction(o->ptr, sdslen((sds)o->ptr)); + } else { + if (o->encoding == REDIS_ENCODING_INT) { + char buf[32]; + int len; + + len = ll2string(buf,32,(long)o->ptr); + return dictGenHashFunction((unsigned char*)buf, len); + } else { + unsigned int hash; + + o = getDecodedObject(o); + hash = dictGenHashFunction(o->ptr, sdslen((sds)o->ptr)); + decrRefCount(o); + return hash; + } + } +} + +/* Sets type hash table */ +dictType setDictType = { + dictEncObjHash, /* hash function */ + NULL, /* key dup */ + NULL, /* val dup */ + dictEncObjKeyCompare, /* key compare */ + dictRedisObjectDestructor, /* key destructor */ + NULL /* val destructor */ +}; + +/* Sorted sets hash (note: a skiplist is used in addition to the hash table) */ +dictType zsetDictType = { + dictEncObjHash, /* hash function */ + NULL, /* key dup */ + NULL, /* val dup */ + dictEncObjKeyCompare, /* key compare */ + dictRedisObjectDestructor, /* key destructor */ + NULL /* val destructor */ +}; + +/* Db->dict, keys are sds strings, vals are Redis objects. */ +dictType dbDictType = { + dictSdsHash, /* hash function */ + NULL, /* key dup */ + NULL, /* val dup */ + dictSdsKeyCompare, /* key compare */ + dictSdsDestructor, /* key destructor */ + dictRedisObjectDestructor /* val destructor */ +}; + +/* server.lua_scripts sha (as sds string) -> scripts (as robj) cache. */ +dictType shaScriptObjectDictType = { + dictSdsCaseHash, /* hash function */ + NULL, /* key dup */ + NULL, /* val dup */ + dictSdsKeyCaseCompare, /* key compare */ + dictSdsDestructor, /* key destructor */ + dictRedisObjectDestructor /* val destructor */ +}; + +/* Db->expires */ +dictType keyptrDictType = { + dictSdsHash, /* hash function */ + NULL, /* key dup */ + NULL, /* val dup */ + dictSdsKeyCompare, /* key compare */ + NULL, /* key destructor */ + NULL /* val destructor */ +}; + +/* Command table. sds string -> command struct pointer. */ +dictType commandTableDictType = { + dictSdsCaseHash, /* hash function */ + NULL, /* key dup */ + NULL, /* val dup */ + dictSdsKeyCaseCompare, /* key compare */ + dictSdsDestructor, /* key destructor */ + NULL /* val destructor */ +}; + +/* Hash type hash table (note that small hashes are represented with ziplists) */ +dictType hashDictType = { + dictEncObjHash, /* hash function */ + NULL, /* key dup */ + NULL, /* val dup */ + dictEncObjKeyCompare, /* key compare */ + dictRedisObjectDestructor, /* key destructor */ + dictRedisObjectDestructor /* val destructor */ +}; + +/* Keylist hash table type has unencoded redis objects as keys and + * lists as values. It's used for blocking operations (BLPOP) and to + * map swapped keys to a list of clients waiting for this keys to be loaded. */ +dictType keylistDictType = { + dictObjHash, /* hash function */ + NULL, /* key dup */ + NULL, /* val dup */ + dictObjKeyCompare, /* key compare */ + dictRedisObjectDestructor, /* key destructor */ + dictListDestructor /* val destructor */ +}; + +int htNeedsResize(dict *dict) { + long long size, used; + + size = dictSlots(dict); + used = dictSize(dict); + return (size && used && size > DICT_HT_INITIAL_SIZE && + (used*100/size < REDIS_HT_MINFILL)); +} + +/* If the percentage of used slots in the HT reaches REDIS_HT_MINFILL + * we resize the hash table to save memory */ +void tryResizeHashTables(int dbid) { + if (htNeedsResize(server.db[dbid].dict)) + dictResize(server.db[dbid].dict); + if (htNeedsResize(server.db[dbid].expires)) + dictResize(server.db[dbid].expires); +} + +/* Our hash table implementation performs rehashing incrementally while + * we write/read from the hash table. Still if the server is idle, the hash + * table will use two tables for a long time. So we try to use 1 millisecond + * of CPU time at every call of this function to perform some rehahsing. + * + * The function returns 1 if some rehashing was performed, otherwise 0 + * is returned. */ +int incrementallyRehash(int dbid) { + /* Keys dictionary */ + if (dictIsRehashing(server.db[dbid].dict)) { + dictRehashMilliseconds(server.db[dbid].dict,1); + return 1; /* already used our millisecond for this loop... */ + } + /* Expires */ + if (dictIsRehashing(server.db[dbid].expires)) { + dictRehashMilliseconds(server.db[dbid].expires,1); + return 1; /* already used our millisecond for this loop... */ + } + return 0; +} + +/* This function is called once a background process of some kind terminates, + * as we want to avoid resizing the hash tables when there is a child in order + * to play well with copy-on-write (otherwise when a resize happens lots of + * memory pages are copied). The goal of this function is to update the ability + * for dict.c to resize the hash tables accordingly to the fact we have o not + * running childs. */ +void updateDictResizePolicy(void) { + if (server.rdb_child_pid == -1 && server.aof_child_pid == -1) + dictEnableResize(); + else + dictDisableResize(); +} + +/* ======================= Cron: called every 100 ms ======================== */ + +/* Try to expire a few timed out keys. The algorithm used is adaptive and + * will use few CPU cycles if there are few expiring keys, otherwise + * it will get more aggressive to avoid that too much memory is used by + * keys that can be removed from the keyspace. + * + * No more than REDIS_DBCRON_DBS_PER_CALL databases are tested at every + * iteration. */ +void activeExpireCycle(void) { + /* This function has some global state in order to continue the work + * incrementally across calls. */ + static unsigned int current_db = 0; /* Last DB tested. */ + static int timelimit_exit = 0; /* Time limit hit in previous call? */ + + unsigned int j, iteration = 0; + unsigned int dbs_per_call = REDIS_DBCRON_DBS_PER_CALL; + long long start = ustime(), timelimit; + + /* We usually should test REDIS_DBCRON_DBS_PER_CALL per iteration, with + * two exceptions: + * + * 1) Don't test more DBs than we have. + * 2) If last time we hit the time limit, we want to scan all DBs + * in this iteration, as there is work to do in some DB and we don't want + * expired keys to use memory for too much time. */ + if (dbs_per_call > server.dbnum || timelimit_exit) + dbs_per_call = server.dbnum; + + /* We can use at max REDIS_EXPIRELOOKUPS_TIME_PERC percentage of CPU time + * per iteration. Since this function gets called with a frequency of + * server.hz times per second, the following is the max amount of + * microseconds we can spend in this function. */ + timelimit = 1000000*REDIS_EXPIRELOOKUPS_TIME_PERC/server.hz/100; + timelimit_exit = 0; + if (timelimit <= 0) timelimit = 1; + + for (j = 0; j < dbs_per_call; j++) { + int expired; + redisDb *db = server.db+(current_db % server.dbnum); + + /* Increment the DB now so we are sure if we run out of time + * in the current DB we'll restart from the next. This allows to + * distribute the time evenly across DBs. */ + current_db++; + + /* Continue to expire if at the end of the cycle more than 25% + * of the keys were expired. */ + do { + unsigned long num, slots; + long long now; + + /* If there is nothing to expire try next DB ASAP. */ + if ((num = dictSize(db->expires)) == 0) break; + slots = dictSlots(db->expires); + now = mstime(); + + /* When there are less than 1% filled slots getting random + * keys is expensive, so stop here waiting for better times... + * The dictionary will be resized asap. */ + if (num && slots > DICT_HT_INITIAL_SIZE && + (num*100/slots < 1)) break; + + /* The main collection cycle. Sample random keys among keys + * with an expire set, checking for expired ones. */ + expired = 0; + if (num > REDIS_EXPIRELOOKUPS_PER_CRON) + num = REDIS_EXPIRELOOKUPS_PER_CRON; + while (num--) { + dictEntry *de; + long long t; + + if ((de = dictGetRandomKey(db->expires)) == NULL) break; + t = dictGetSignedIntegerVal(de); + if (now > t) { + sds key = dictGetKey(de); + robj *keyobj = createStringObject(key,sdslen(key)); + + propagateExpire(db,keyobj); + dbDelete(db,keyobj); + decrRefCount(keyobj); + expired++; + server.stat_expiredkeys++; + } + } + /* We can't block forever here even if there are many keys to + * expire. So after a given amount of milliseconds return to the + * caller waiting for the other active expire cycle. */ + iteration++; + if ((iteration & 0xf) == 0 && /* check once every 16 iterations. */ + (ustime()-start) > timelimit) + { + timelimit_exit = 1; + return; + } + } while (expired > REDIS_EXPIRELOOKUPS_PER_CRON/4); + } +} + +void updateLRUClock(void) { + server.lruclock = (server.unixtime/REDIS_LRU_CLOCK_RESOLUTION) & + REDIS_LRU_CLOCK_MAX; +} + + +/* Add a sample to the operations per second array of samples. */ +void trackOperationsPerSecond(void) { + long long t = mstime() - server.ops_sec_last_sample_time; + long long ops = server.stat_numcommands - server.ops_sec_last_sample_ops; + long long ops_sec; + + ops_sec = t > 0 ? (ops*1000/t) : 0; + + server.ops_sec_samples[server.ops_sec_idx] = ops_sec; + server.ops_sec_idx = (server.ops_sec_idx+1) % REDIS_OPS_SEC_SAMPLES; + server.ops_sec_last_sample_time = mstime(); + server.ops_sec_last_sample_ops = server.stat_numcommands; +} + +/* Return the mean of all the samples. */ +long long getOperationsPerSecond(void) { + int j; + long long sum = 0; + + for (j = 0; j < REDIS_OPS_SEC_SAMPLES; j++) + sum += server.ops_sec_samples[j]; + return sum / REDIS_OPS_SEC_SAMPLES; +} + +/* Check for timeouts. Returns non-zero if the client was terminated */ +int clientsCronHandleTimeout(redisClient *c) { + time_t now = server.unixtime; + + if (server.maxidletime && + !(c->flags & REDIS_SLAVE) && /* no timeout for slaves */ + !(c->flags & REDIS_MASTER) && /* no timeout for masters */ + !(c->flags & REDIS_BLOCKED) && /* no timeout for BLPOP */ + dictSize(c->pubsub_channels) == 0 && /* no timeout for pubsub */ + listLength(c->pubsub_patterns) == 0 && + (now - c->lastinteraction > server.maxidletime)) + { + redisLog(REDIS_VERBOSE,"Closing idle client"); + freeClient(c); + return 1; + } else if (c->flags & REDIS_BLOCKED) { + if (c->bpop.timeout != 0 && c->bpop.timeout < now) { + addReply(c,shared.nullmultibulk); + unblockClientWaitingData(c); + } + } + return 0; +} + +/* The client query buffer is an sds.c string that can end with a lot of + * free space not used, this function reclaims space if needed. + * + * The function always returns 0 as it never terminates the client. */ +int clientsCronResizeQueryBuffer(redisClient *c) { + size_t querybuf_size = sdsAllocSize(c->querybuf); + time_t idletime = server.unixtime - c->lastinteraction; + + /* There are two conditions to resize the query buffer: + * 1) Query buffer is > BIG_ARG and too big for latest peak. + * 2) Client is inactive and the buffer is bigger than 1k. */ + if (((querybuf_size > REDIS_MBULK_BIG_ARG) && + (querybuf_size/(c->querybuf_peak+1)) > 2) || + (querybuf_size > 1024 && idletime > 2)) + { + /* Only resize the query buffer if it is actually wasting space. */ + if (sdsavail(c->querybuf) > 1024) { + c->querybuf = sdsRemoveFreeSpace(c->querybuf); + } + } + /* Reset the peak again to capture the peak memory usage in the next + * cycle. */ + c->querybuf_peak = 0; + return 0; +} + +void clientsCron(void) { + /* Make sure to process at least 1/(server.hz*10) of clients per call. + * Since this function is called server.hz times per second we are sure that + * in the worst case we process all the clients in 10 seconds. + * In normal conditions (a reasonable number of clients) we process + * all the clients in a shorter time. */ + int numclients = listLength(server.clients); + int iterations = numclients/(server.hz*10); + + if (iterations < 50) + iterations = (numclients < 50) ? numclients : 50; + while(listLength(server.clients) && iterations--) { + redisClient *c; + listNode *head; + + /* Rotate the list, take the current head, process. + * This way if the client must be removed from the list it's the + * first element and we don't incur into O(N) computation. */ + listRotate(server.clients); + head = listFirst(server.clients); + c = listNodeValue(head); + /* The following functions do different service checks on the client. + * The protocol is that they return non-zero if the client was + * terminated. */ + if (clientsCronHandleTimeout(c)) continue; + if (clientsCronResizeQueryBuffer(c)) continue; + } +} + +/* This function handles 'background' operations we are required to do + * incrementally in Redis databases, such as active key expiring, resizing, + * rehashing. */ +void databasesCron(void) { + /* Expire keys by random sampling. Not required for slaves + * as master will synthesize DELs for us. */ + if (server.active_expire_enabled && server.masterhost == NULL) + activeExpireCycle(); + + /* Perform hash tables rehashing if needed, but only if there are no + * other processes saving the DB on disk. Otherwise rehashing is bad + * as will cause a lot of copy-on-write of memory pages. */ + if (server.rdb_child_pid == -1 && server.aof_child_pid == -1) { + /* We use global counters so if we stop the computation at a given + * DB we'll be able to start from the successive in the next + * cron loop iteration. */ + static unsigned int resize_db = 0; + static unsigned int rehash_db = 0; + unsigned int dbs_per_call = REDIS_DBCRON_DBS_PER_CALL; + unsigned int j; + + /* Don't test more DBs than we have. */ + if (dbs_per_call > server.dbnum) dbs_per_call = server.dbnum; + + /* Resize */ + for (j = 0; j < dbs_per_call; j++) { + tryResizeHashTables(resize_db % server.dbnum); + resize_db++; + } + + /* Rehash */ + if (server.activerehashing) { + for (j = 0; j < dbs_per_call; j++) { + int work_done = incrementallyRehash(rehash_db % server.dbnum); + rehash_db++; + if (work_done) { + /* If the function did some work, stop here, we'll do + * more at the next cron loop. */ + break; + } + } + } + } +} + +/* This is our timer interrupt, called server.hz times per second. + * Here is where we do a number of things that need to be done asynchronously. + * For instance: + * + * - Active expired keys collection (it is also performed in a lazy way on + * lookup). + * - Software watchdog. + * - Update some statistic. + * - Incremental rehashing of the DBs hash tables. + * - Triggering BGSAVE / AOF rewrite, and handling of terminated children. + * - Clients timeout of different kinds. + * - Replication reconnection. + * - Many more... + * + * Everything directly called here will be called server.hz times per second, + * so in order to throttle execution of things we want to do less frequently + * a macro is used: run_with_period(milliseconds) { .... } + */ + +int serverCron(struct aeEventLoop *eventLoop, long long id, void *clientData) { + int j; + REDIS_NOTUSED(eventLoop); + REDIS_NOTUSED(id); + REDIS_NOTUSED(clientData); + + /* Software watchdog: deliver the SIGALRM that will reach the signal + * handler if we don't return here fast enough. */ + if (server.watchdog_period) watchdogScheduleSignal(server.watchdog_period); + + /* We take a cached value of the unix time in the global state because + * with virtual memory and aging there is to store the current time + * in objects at every object access, and accuracy is not needed. + * To access a global var is faster than calling time(NULL) */ + server.unixtime = time(NULL); + + run_with_period(100) trackOperationsPerSecond(); + + /* We have just 22 bits per object for LRU information. + * So we use an (eventually wrapping) LRU clock with 10 seconds resolution. + * 2^22 bits with 10 seconds resolution is more or less 1.5 years. + * + * Note that even if this will wrap after 1.5 years it's not a problem, + * everything will still work but just some object will appear younger + * to Redis. But for this to happen a given object should never be touched + * for 1.5 years. + * + * Note that you can change the resolution altering the + * REDIS_LRU_CLOCK_RESOLUTION define. + */ + updateLRUClock(); + + /* Record the max memory used since the server was started. */ + if (zmalloc_used_memory() > server.stat_peak_memory) + server.stat_peak_memory = zmalloc_used_memory(); + + /* We received a SIGTERM, shutting down here in a safe way, as it is + * not ok doing so inside the signal handler. */ + if (server.shutdown_asap) { + if (prepareForShutdown(0) == REDIS_OK) exit(0); + redisLog(REDIS_WARNING,"SIGTERM received but errors trying to shut down the server, check the logs for more information"); + server.shutdown_asap = 0; + } + + /* Show some info about non-empty databases */ + run_with_period(5000) { + for (j = 0; j < server.dbnum; j++) { + long long size, used, vkeys; + + size = dictSlots(server.db[j].dict); + used = dictSize(server.db[j].dict); + vkeys = dictSize(server.db[j].expires); + if (used || vkeys) { + redisLog(REDIS_VERBOSE,"DB %d: %lld keys (%lld volatile) in %lld slots HT.",j,used,vkeys,size); + /* dictPrintStats(server.dict); */ + } + } + } + + /* Show information about connected clients */ + if (!server.sentinel_mode) { + run_with_period(5000) { + redisLog(REDIS_VERBOSE, + "%d clients connected (%d slaves), %zu bytes in use", + listLength(server.clients)-listLength(server.slaves), + listLength(server.slaves), + zmalloc_used_memory()); + } + } + + /* We need to do a few operations on clients asynchronously. */ + clientsCron(); + + /* Handle background operations on Redis databases. */ + databasesCron(); + + /* Start a scheduled AOF rewrite if this was requested by the user while + * a BGSAVE was in progress. */ + if (server.rdb_child_pid == -1 && server.aof_child_pid == -1 && + server.aof_rewrite_scheduled) + { + rewriteAppendOnlyFileBackground(); + } + + /* Check if a background saving or AOF rewrite in progress terminated. */ + if (server.rdb_child_pid != -1 || server.aof_child_pid != -1) { + int statloc; + pid_t pid; + + if ((pid = wait3(&statloc,WNOHANG,NULL)) != 0) { + int exitcode = WEXITSTATUS(statloc); + int bysignal = 0; + + if (WIFSIGNALED(statloc)) bysignal = WTERMSIG(statloc); + + if (pid == server.rdb_child_pid) { + backgroundSaveDoneHandler(exitcode,bysignal); + } else if (pid == server.aof_child_pid) { + backgroundRewriteDoneHandler(exitcode,bysignal); + } else { + redisLog(REDIS_WARNING, + "Warning, detected child with unmatched pid: %ld", + (long)pid); + } + updateDictResizePolicy(); + } + } else { + /* If there is not a background saving/rewrite in progress check if + * we have to save/rewrite now */ + for (j = 0; j < server.saveparamslen; j++) { + struct saveparam *sp = server.saveparams+j; + + /* Save if we reached the given amount of changes, + * the given amount of seconds, and if the latest bgsave was + * successful or if, in case of an error, at least + * REDIS_BGSAVE_RETRY_DELAY seconds already elapsed. */ + if (server.dirty >= sp->changes && + server.unixtime-server.lastsave > sp->seconds && + (server.unixtime-server.lastbgsave_try > + REDIS_BGSAVE_RETRY_DELAY || + server.lastbgsave_status == REDIS_OK)) + { + redisLog(REDIS_NOTICE,"%d changes in %d seconds. Saving...", + sp->changes, sp->seconds); + rdbSaveBackground(server.rdb_filename); + break; + } + } + + /* Trigger an AOF rewrite if needed */ + if (server.rdb_child_pid == -1 && + server.aof_child_pid == -1 && + server.aof_rewrite_perc && + server.aof_current_size > server.aof_rewrite_min_size) + { + long long base = server.aof_rewrite_base_size ? + server.aof_rewrite_base_size : 1; + long long growth = (server.aof_current_size*100/base) - 100; + if (growth >= server.aof_rewrite_perc) { + redisLog(REDIS_NOTICE,"Starting automatic rewriting of AOF on %lld%% growth",growth); + rewriteAppendOnlyFileBackground(); + } + } + } + + + /* If we postponed an AOF buffer flush, let's try to do it every time the + * cron function is called. */ + if (server.aof_flush_postponed_start) flushAppendOnlyFile(0); + + /* Close clients that need to be closed asynchronous */ + freeClientsInAsyncFreeQueue(); + + /* Replication cron function -- used to reconnect to master and + * to detect transfer failures. */ + run_with_period(1000) replicationCron(); + + /* Run the sentinel timer if we are in sentinel mode. */ + run_with_period(100) { + if (server.sentinel_mode) sentinelTimer(); + } + + server.cronloops++; + return 1000/server.hz; +} + +/* This function gets called every time Redis is entering the + * main loop of the event driven library, that is, before to sleep + * for ready file descriptors. */ +void beforeSleep(struct aeEventLoop *eventLoop) { + REDIS_NOTUSED(eventLoop); + listNode *ln; + redisClient *c; + + /* Try to process pending commands for clients that were just unblocked. */ + while (listLength(server.unblocked_clients)) { + ln = listFirst(server.unblocked_clients); + redisAssert(ln != NULL); + c = ln->value; + listDelNode(server.unblocked_clients,ln); + c->flags &= ~REDIS_UNBLOCKED; + + /* Process remaining data in the input buffer. */ + if (c->querybuf && sdslen(c->querybuf) > 0) { + server.current_client = c; + processInputBuffer(c); + server.current_client = NULL; + } + } + + /* Write the AOF buffer on disk */ + flushAppendOnlyFile(0); +} + +/* =========================== Server initialization ======================== */ + +void createSharedObjects(void) { + int j; + + shared.crlf = createObject(REDIS_STRING,sdsnew("\r\n")); + shared.ok = createObject(REDIS_STRING,sdsnew("+OK\r\n")); + shared.err = createObject(REDIS_STRING,sdsnew("-ERR\r\n")); + shared.emptybulk = createObject(REDIS_STRING,sdsnew("$0\r\n\r\n")); + shared.czero = createObject(REDIS_STRING,sdsnew(":0\r\n")); + shared.cone = createObject(REDIS_STRING,sdsnew(":1\r\n")); + shared.cnegone = createObject(REDIS_STRING,sdsnew(":-1\r\n")); + shared.nullbulk = createObject(REDIS_STRING,sdsnew("$-1\r\n")); + shared.nullmultibulk = createObject(REDIS_STRING,sdsnew("*-1\r\n")); + shared.emptymultibulk = createObject(REDIS_STRING,sdsnew("*0\r\n")); + shared.pong = createObject(REDIS_STRING,sdsnew("+PONG\r\n")); + shared.queued = createObject(REDIS_STRING,sdsnew("+QUEUED\r\n")); + shared.wrongtypeerr = createObject(REDIS_STRING,sdsnew( + "-ERR Operation against a key holding the wrong kind of value\r\n")); + shared.nokeyerr = createObject(REDIS_STRING,sdsnew( + "-ERR no such key\r\n")); + shared.syntaxerr = createObject(REDIS_STRING,sdsnew( + "-ERR syntax error\r\n")); + shared.sameobjecterr = createObject(REDIS_STRING,sdsnew( + "-ERR source and destination objects are the same\r\n")); + shared.outofrangeerr = createObject(REDIS_STRING,sdsnew( + "-ERR index out of range\r\n")); + shared.noscripterr = createObject(REDIS_STRING,sdsnew( + "-NOSCRIPT No matching script. Please use EVAL.\r\n")); + shared.loadingerr = createObject(REDIS_STRING,sdsnew( + "-LOADING Redis is loading the dataset in memory\r\n")); + shared.slowscripterr = createObject(REDIS_STRING,sdsnew( + "-BUSY Redis is busy running a script. You can only call SCRIPT KILL or SHUTDOWN NOSAVE.\r\n")); + shared.masterdownerr = createObject(REDIS_STRING,sdsnew( + "-MASTERDOWN Link with MASTER is down and slave-serve-stale-data is set to 'no'.\r\n")); + shared.bgsaveerr = createObject(REDIS_STRING,sdsnew( + "-MISCONF Redis is configured to save RDB snapshots, but is currently not able to persist on disk. Commands that may modify the data set are disabled. Please check Redis logs for details about the error.\r\n")); + shared.roslaveerr = createObject(REDIS_STRING,sdsnew( + "-READONLY You can't write against a read only slave.\r\n")); + shared.oomerr = createObject(REDIS_STRING,sdsnew( + "-OOM command not allowed when used memory > 'maxmemory'.\r\n")); + shared.execaborterr = createObject(REDIS_STRING,sdsnew( + "-EXECABORT Transaction discarded because of previous errors.\r\n")); + shared.space = createObject(REDIS_STRING,sdsnew(" ")); + shared.colon = createObject(REDIS_STRING,sdsnew(":")); + shared.plus = createObject(REDIS_STRING,sdsnew("+")); + + for (j = 0; j < REDIS_SHARED_SELECT_CMDS; j++) { + shared.select[j] = createObject(REDIS_STRING, + sdscatprintf(sdsempty(),"select %d\r\n", j)); + } + shared.messagebulk = createStringObject("$7\r\nmessage\r\n",13); + shared.pmessagebulk = createStringObject("$8\r\npmessage\r\n",14); + shared.subscribebulk = createStringObject("$9\r\nsubscribe\r\n",15); + shared.unsubscribebulk = createStringObject("$11\r\nunsubscribe\r\n",18); + shared.psubscribebulk = createStringObject("$10\r\npsubscribe\r\n",17); + shared.punsubscribebulk = createStringObject("$12\r\npunsubscribe\r\n",19); + shared.del = createStringObject("DEL",3); + shared.rpop = createStringObject("RPOP",4); + shared.lpop = createStringObject("LPOP",4); + shared.lpush = createStringObject("LPUSH",5); + for (j = 0; j < REDIS_SHARED_INTEGERS; j++) { + shared.integers[j] = createObject(REDIS_STRING,(void*)(long)j); + shared.integers[j]->encoding = REDIS_ENCODING_INT; + } + for (j = 0; j < REDIS_SHARED_BULKHDR_LEN; j++) { + shared.mbulkhdr[j] = createObject(REDIS_STRING, + sdscatprintf(sdsempty(),"*%d\r\n",j)); + shared.bulkhdr[j] = createObject(REDIS_STRING, + sdscatprintf(sdsempty(),"$%d\r\n",j)); + } +} + +void initServerConfig() { + getRandomHexChars(server.runid,REDIS_RUN_ID_SIZE); + server.hz = REDIS_DEFAULT_HZ; + server.runid[REDIS_RUN_ID_SIZE] = '\0'; + server.arch_bits = (sizeof(long) == 8) ? 64 : 32; + server.port = REDIS_SERVERPORT; + server.bindaddr = NULL; + server.unixsocket = NULL; + server.unixsocketperm = 0; + server.ipfd = -1; + server.sofd = -1; + server.dbnum = REDIS_DEFAULT_DBNUM; + server.verbosity = REDIS_NOTICE; + server.maxidletime = REDIS_MAXIDLETIME; + server.tcpkeepalive = 0; + server.active_expire_enabled = 1; + server.client_max_querybuf_len = REDIS_MAX_QUERYBUF_LEN; + server.saveparams = NULL; + server.loading = 0; + server.logfile = NULL; /* NULL = log on standard output */ + server.syslog_enabled = 0; + server.syslog_ident = zstrdup("redis"); + server.syslog_facility = LOG_LOCAL0; + server.daemonize = 0; + server.aof_state = REDIS_AOF_OFF; + server.aof_fsync = AOF_FSYNC_EVERYSEC; + server.aof_no_fsync_on_rewrite = 0; + server.aof_rewrite_perc = REDIS_AOF_REWRITE_PERC; + server.aof_rewrite_min_size = REDIS_AOF_REWRITE_MIN_SIZE; + server.aof_rewrite_base_size = 0; + server.aof_rewrite_scheduled = 0; + server.aof_last_fsync = time(NULL); + server.aof_rewrite_time_last = -1; + server.aof_rewrite_time_start = -1; + server.aof_lastbgrewrite_status = REDIS_OK; + server.aof_delayed_fsync = 0; + server.aof_fd = -1; + server.aof_selected_db = -1; /* Make sure the first time will not match */ + server.aof_flush_postponed_start = 0; + server.aof_rewrite_incremental_fsync = 1; + server.pidfile = zstrdup("/var/run/redis.pid"); + server.rdb_filename = zstrdup("dump.rdb"); + server.aof_filename = zstrdup("appendonly.aof"); + server.requirepass = NULL; + server.rdb_compression = 1; + server.rdb_checksum = 1; + server.stop_writes_on_bgsave_err = 1; + server.activerehashing = 1; + server.maxclients = REDIS_MAX_CLIENTS; + server.bpop_blocked_clients = 0; + server.maxmemory = 0; + server.maxmemory_policy = REDIS_MAXMEMORY_VOLATILE_LRU; + server.maxmemory_samples = 3; + server.hash_max_ziplist_entries = REDIS_HASH_MAX_ZIPLIST_ENTRIES; + server.hash_max_ziplist_value = REDIS_HASH_MAX_ZIPLIST_VALUE; + server.list_max_ziplist_entries = REDIS_LIST_MAX_ZIPLIST_ENTRIES; + server.list_max_ziplist_value = REDIS_LIST_MAX_ZIPLIST_VALUE; + server.set_max_intset_entries = REDIS_SET_MAX_INTSET_ENTRIES; + server.zset_max_ziplist_entries = REDIS_ZSET_MAX_ZIPLIST_ENTRIES; + server.zset_max_ziplist_value = REDIS_ZSET_MAX_ZIPLIST_VALUE; + server.shutdown_asap = 0; + server.repl_ping_slave_period = REDIS_REPL_PING_SLAVE_PERIOD; + server.repl_timeout = REDIS_REPL_TIMEOUT; + server.lua_caller = NULL; + server.lua_time_limit = REDIS_LUA_TIME_LIMIT; + server.lua_client = NULL; + server.lua_timedout = 0; + + updateLRUClock(); + resetServerSaveParams(); + + appendServerSaveParams(60*60,1); /* save after 1 hour and 1 change */ + appendServerSaveParams(300,100); /* save after 5 minutes and 100 changes */ + appendServerSaveParams(60,10000); /* save after 1 minute and 10000 changes */ + /* Replication related */ + server.masterauth = NULL; + server.masterhost = NULL; + server.masterport = 6379; + server.master = NULL; + server.repl_state = REDIS_REPL_NONE; + server.repl_syncio_timeout = REDIS_REPL_SYNCIO_TIMEOUT; + server.repl_serve_stale_data = 1; + server.repl_slave_ro = 1; + server.repl_down_since = 0; /* Never connected, repl is down since EVER. */ + server.repl_disable_tcp_nodelay = 0; + server.slave_priority = REDIS_DEFAULT_SLAVE_PRIORITY; + + /* Client output buffer limits */ + server.client_obuf_limits[REDIS_CLIENT_LIMIT_CLASS_NORMAL].hard_limit_bytes = 0; + server.client_obuf_limits[REDIS_CLIENT_LIMIT_CLASS_NORMAL].soft_limit_bytes = 0; + server.client_obuf_limits[REDIS_CLIENT_LIMIT_CLASS_NORMAL].soft_limit_seconds = 0; + server.client_obuf_limits[REDIS_CLIENT_LIMIT_CLASS_SLAVE].hard_limit_bytes = 1024*1024*256; + server.client_obuf_limits[REDIS_CLIENT_LIMIT_CLASS_SLAVE].soft_limit_bytes = 1024*1024*64; + server.client_obuf_limits[REDIS_CLIENT_LIMIT_CLASS_SLAVE].soft_limit_seconds = 60; + server.client_obuf_limits[REDIS_CLIENT_LIMIT_CLASS_PUBSUB].hard_limit_bytes = 1024*1024*32; + server.client_obuf_limits[REDIS_CLIENT_LIMIT_CLASS_PUBSUB].soft_limit_bytes = 1024*1024*8; + server.client_obuf_limits[REDIS_CLIENT_LIMIT_CLASS_PUBSUB].soft_limit_seconds = 60; + + /* Double constants initialization */ + R_Zero = 0.0; + R_PosInf = 1.0/R_Zero; + R_NegInf = -1.0/R_Zero; + R_Nan = R_Zero/R_Zero; + + /* Command table -- we initiialize it here as it is part of the + * initial configuration, since command names may be changed via + * redis.conf using the rename-command directive. */ + server.commands = dictCreate(&commandTableDictType,NULL); + server.orig_commands = dictCreate(&commandTableDictType,NULL); + populateCommandTable(); + server.delCommand = lookupCommandByCString("del"); + server.multiCommand = lookupCommandByCString("multi"); + server.lpushCommand = lookupCommandByCString("lpush"); + server.lpopCommand = lookupCommandByCString("lpop"); + server.rpopCommand = lookupCommandByCString("rpop"); + + /* Slow log */ + server.slowlog_log_slower_than = REDIS_SLOWLOG_LOG_SLOWER_THAN; + server.slowlog_max_len = REDIS_SLOWLOG_MAX_LEN; + + /* Debugging */ + server.assert_failed = ""; + server.assert_file = ""; + server.assert_line = 0; + server.bug_report_start = 0; + server.watchdog_period = 0; +} + +/* This function will try to raise the max number of open files accordingly to + * the configured max number of clients. It will also account for 32 additional + * file descriptors as we need a few more for persistence, listening + * sockets, log files and so forth. + * + * If it will not be possible to set the limit accordingly to the configured + * max number of clients, the function will do the reverse setting + * server.maxclients to the value that we can actually handle. */ +void adjustOpenFilesLimit(void) { + rlim_t maxfiles = server.maxclients+32; + struct rlimit limit; + + if (getrlimit(RLIMIT_NOFILE,&limit) == -1) { + redisLog(REDIS_WARNING,"Unable to obtain the current NOFILE limit (%s), assuming 1024 and setting the max clients configuration accordingly.", + strerror(errno)); + server.maxclients = 1024-32; + } else { + rlim_t oldlimit = limit.rlim_cur; + + /* Set the max number of files if the current limit is not enough + * for our needs. */ + if (oldlimit < maxfiles) { + rlim_t f; + + f = maxfiles; + while(f > oldlimit) { + limit.rlim_cur = f; + limit.rlim_max = f; + if (setrlimit(RLIMIT_NOFILE,&limit) != -1) break; + f -= 128; + } + if (f < oldlimit) f = oldlimit; + if (f != maxfiles) { + server.maxclients = f-32; + redisLog(REDIS_WARNING,"Unable to set the max number of files limit to %d (%s), setting the max clients configuration to %d.", + (int) maxfiles, strerror(errno), (int) server.maxclients); + } else { + redisLog(REDIS_NOTICE,"Max number of open files set to %d", + (int) maxfiles); + } + } + } +} + +void initServer() { + int j; + + signal(SIGHUP, SIG_IGN); + signal(SIGPIPE, SIG_IGN); + setupSignalHandlers(); + + if (server.syslog_enabled) { + openlog(server.syslog_ident, LOG_PID | LOG_NDELAY | LOG_NOWAIT, + server.syslog_facility); + } + + server.current_client = NULL; + server.clients = listCreate(); + server.clients_to_close = listCreate(); + server.slaves = listCreate(); + server.monitors = listCreate(); + server.unblocked_clients = listCreate(); + server.ready_keys = listCreate(); + + createSharedObjects(); + adjustOpenFilesLimit(); + server.el = aeCreateEventLoop(server.maxclients+1024); + server.db = zmalloc(sizeof(redisDb)*server.dbnum); + + if (server.port != 0) { + server.ipfd = anetTcpServer(server.neterr,server.port,server.bindaddr); + if (server.ipfd == ANET_ERR) { + redisLog(REDIS_WARNING, "Opening port %d: %s", + server.port, server.neterr); + exit(1); + } + } + if (server.unixsocket != NULL) { + unlink(server.unixsocket); /* don't care if this fails */ + server.sofd = anetUnixServer(server.neterr,server.unixsocket,server.unixsocketperm); + if (server.sofd == ANET_ERR) { + redisLog(REDIS_WARNING, "Opening socket: %s", server.neterr); + exit(1); + } + } + if (server.ipfd < 0 && server.sofd < 0) { + redisLog(REDIS_WARNING, "Configured to not listen anywhere, exiting."); + exit(1); + } + for (j = 0; j < server.dbnum; j++) { + server.db[j].dict = dictCreate(&dbDictType,NULL); + server.db[j].expires = dictCreate(&keyptrDictType,NULL); + server.db[j].blocking_keys = dictCreate(&keylistDictType,NULL); + server.db[j].ready_keys = dictCreate(&setDictType,NULL); + server.db[j].watched_keys = dictCreate(&keylistDictType,NULL); + server.db[j].id = j; + } + server.pubsub_channels = dictCreate(&keylistDictType,NULL); + server.pubsub_patterns = listCreate(); + listSetFreeMethod(server.pubsub_patterns,freePubsubPattern); + listSetMatchMethod(server.pubsub_patterns,listMatchPubsubPattern); + server.cronloops = 0; + server.rdb_child_pid = -1; + server.aof_child_pid = -1; + aofRewriteBufferReset(); + server.aof_buf = sdsempty(); + server.lastsave = time(NULL); /* At startup we consider the DB saved. */ + server.lastbgsave_try = 0; /* At startup we never tried to BGSAVE. */ + server.rdb_save_time_last = -1; + server.rdb_save_time_start = -1; + server.dirty = 0; + server.stat_numcommands = 0; + server.stat_numconnections = 0; + server.stat_expiredkeys = 0; + server.stat_evictedkeys = 0; + server.stat_starttime = time(NULL); + server.stat_keyspace_misses = 0; + server.stat_keyspace_hits = 0; + server.stat_peak_memory = 0; + server.stat_fork_time = 0; + server.stat_rejected_conn = 0; + memset(server.ops_sec_samples,0,sizeof(server.ops_sec_samples)); + server.ops_sec_idx = 0; + server.ops_sec_last_sample_time = mstime(); + server.ops_sec_last_sample_ops = 0; + server.unixtime = time(NULL); + server.lastbgsave_status = REDIS_OK; + if(aeCreateTimeEvent(server.el, 1, serverCron, NULL, NULL) == AE_ERR) { + redisPanic("create time event failed"); + exit(1); + } + if (server.ipfd > 0 && aeCreateFileEvent(server.el,server.ipfd,AE_READABLE, + acceptTcpHandler,NULL) == AE_ERR) redisPanic("Unrecoverable error creating server.ipfd file event."); + if (server.sofd > 0 && aeCreateFileEvent(server.el,server.sofd,AE_READABLE, + acceptUnixHandler,NULL) == AE_ERR) redisPanic("Unrecoverable error creating server.sofd file event."); + + if (server.aof_state == REDIS_AOF_ON) { + server.aof_fd = open(server.aof_filename, + O_WRONLY|O_APPEND|O_CREAT,0644); + if (server.aof_fd == -1) { + redisLog(REDIS_WARNING, "Can't open the append-only file: %s", + strerror(errno)); + exit(1); + } + } + + /* 32 bit instances are limited to 4GB of address space, so if there is + * no explicit limit in the user provided configuration we set a limit + * at 3 GB using maxmemory with 'noeviction' policy'. This avoids + * useless crashes of the Redis instance for out of memory. */ + if (server.arch_bits == 32 && server.maxmemory == 0) { + redisLog(REDIS_WARNING,"Warning: 32 bit instance detected but no memory limit set. Setting 3 GB maxmemory limit with 'noeviction' policy now."); + server.maxmemory = 3072LL*(1024*1024); /* 3 GB */ + server.maxmemory_policy = REDIS_MAXMEMORY_NO_EVICTION; + } + + scriptingInit(); + slowlogInit(); + bioInit(); + ds_init(); +} + +/* Populates the Redis Command Table starting from the hard coded list + * we have on top of redis.c file. */ +void populateCommandTable(void) { + int j; + int numcommands = sizeof(redisCommandTable)/sizeof(struct redisCommand); + + for (j = 0; j < numcommands; j++) { + struct redisCommand *c = redisCommandTable+j; + char *f = c->sflags; + int retval1, retval2; + + while(*f != '\0') { + switch(*f) { + case 'w': c->flags |= REDIS_CMD_WRITE; break; + case 'r': c->flags |= REDIS_CMD_READONLY; break; + case 'm': c->flags |= REDIS_CMD_DENYOOM; break; + case 'a': c->flags |= REDIS_CMD_ADMIN; break; + case 'p': c->flags |= REDIS_CMD_PUBSUB; break; + case 'f': c->flags |= REDIS_CMD_FORCE_REPLICATION; break; + case 's': c->flags |= REDIS_CMD_NOSCRIPT; break; + case 'R': c->flags |= REDIS_CMD_RANDOM; break; + case 'S': c->flags |= REDIS_CMD_SORT_FOR_SCRIPT; break; + case 'l': c->flags |= REDIS_CMD_LOADING; break; + case 't': c->flags |= REDIS_CMD_STALE; break; + case 'M': c->flags |= REDIS_CMD_SKIP_MONITOR; break; + default: redisPanic("Unsupported command flag"); break; + } + f++; + } + + retval1 = dictAdd(server.commands, sdsnew(c->name), c); + /* Populate an additional dictionary that will be unaffected + * by rename-command statements in redis.conf. */ + retval2 = dictAdd(server.orig_commands, sdsnew(c->name), c); + redisAssert(retval1 == DICT_OK && retval2 == DICT_OK); + } +} + +void resetCommandTableStats(void) { + int numcommands = sizeof(redisCommandTable)/sizeof(struct redisCommand); + int j; + + for (j = 0; j < numcommands; j++) { + struct redisCommand *c = redisCommandTable+j; + + c->microseconds = 0; + c->calls = 0; + } +} + +/* ========================== Redis OP Array API ============================ */ + +void redisOpArrayInit(redisOpArray *oa) { + oa->ops = NULL; + oa->numops = 0; +} + +int redisOpArrayAppend(redisOpArray *oa, struct redisCommand *cmd, int dbid, + robj **argv, int argc, int target) +{ + redisOp *op; + + oa->ops = zrealloc(oa->ops,sizeof(redisOp)*(oa->numops+1)); + op = oa->ops+oa->numops; + op->cmd = cmd; + op->dbid = dbid; + op->argv = argv; + op->argc = argc; + op->target = target; + oa->numops++; + return oa->numops; +} + +void redisOpArrayFree(redisOpArray *oa) { + while(oa->numops) { + int j; + redisOp *op; + + oa->numops--; + op = oa->ops+oa->numops; + for (j = 0; j < op->argc; j++) + decrRefCount(op->argv[j]); + zfree(op->argv); + } + zfree(oa->ops); +} + +/* ====================== Commands lookup and execution ===================== */ + +struct redisCommand *lookupCommand(sds name) { + return dictFetchValue(server.commands, name); +} + +struct redisCommand *lookupCommandByCString(char *s) { + struct redisCommand *cmd; + sds name = sdsnew(s); + + cmd = dictFetchValue(server.commands, name); + sdsfree(name); + return cmd; +} + +/* Lookup the command in the current table, if not found also check in + * the original table containing the original command names unaffected by + * redis.conf rename-command statement. + * + * This is used by functions rewriting the argument vector such as + * rewriteClientCommandVector() in order to set client->cmd pointer + * correctly even if the command was renamed. */ +struct redisCommand *lookupCommandOrOriginal(sds name) { + struct redisCommand *cmd = dictFetchValue(server.commands, name); + + if (!cmd) cmd = dictFetchValue(server.orig_commands,name); + return cmd; +} + +/* Propagate the specified command (in the context of the specified database id) + * to AOF and Slaves. + * + * flags are an xor between: + * + REDIS_PROPAGATE_NONE (no propagation of command at all) + * + REDIS_PROPAGATE_AOF (propagate into the AOF file if is enabled) + * + REDIS_PROPAGATE_REPL (propagate into the replication link) + */ +void propagate(struct redisCommand *cmd, int dbid, robj **argv, int argc, + int flags) +{ + if (server.aof_state != REDIS_AOF_OFF && flags & REDIS_PROPAGATE_AOF) + feedAppendOnlyFile(cmd,dbid,argv,argc); + if (flags & REDIS_PROPAGATE_REPL && listLength(server.slaves)) + replicationFeedSlaves(server.slaves,dbid,argv,argc); +} + +/* Used inside commands to schedule the propagation of additional commands + * after the current command is propagated to AOF / Replication. */ +void alsoPropagate(struct redisCommand *cmd, int dbid, robj **argv, int argc, + int target) +{ + redisOpArrayAppend(&server.also_propagate,cmd,dbid,argv,argc,target); +} + +/* Call() is the core of Redis execution of a command */ +void call(redisClient *c, int flags) { + long long dirty, start = ustime(), duration; + + /* Sent the command to clients in MONITOR mode, only if the commands are + * not generated from reading an AOF. */ + if (listLength(server.monitors) && + !server.loading && + !(c->cmd->flags & REDIS_CMD_SKIP_MONITOR)) + { + replicationFeedMonitors(c,server.monitors,c->db->id,c->argv,c->argc); + } + + /* Call the command. */ + redisOpArrayInit(&server.also_propagate); + dirty = server.dirty; + c->cmd->proc(c); + dirty = server.dirty-dirty; + duration = ustime()-start; + + /* When EVAL is called loading the AOF we don't want commands called + * from Lua to go into the slowlog or to populate statistics. */ + if (server.loading && c->flags & REDIS_LUA_CLIENT) + flags &= ~(REDIS_CALL_SLOWLOG | REDIS_CALL_STATS); + + /* Log the command into the Slow log if needed, and populate the + * per-command statistics that we show in INFO commandstats. */ + if (flags & REDIS_CALL_SLOWLOG && c->cmd->proc != execCommand) + slowlogPushEntryIfNeeded(c->argv,c->argc,duration); + if (flags & REDIS_CALL_STATS) { + c->cmd->microseconds += duration; + c->cmd->calls++; + } + + /* Propagate the command into the AOF and replication link */ + if (flags & REDIS_CALL_PROPAGATE) { + int flags = REDIS_PROPAGATE_NONE; + + if (c->cmd->flags & REDIS_CMD_FORCE_REPLICATION) + flags |= REDIS_PROPAGATE_REPL; + if (dirty) + flags |= (REDIS_PROPAGATE_REPL | REDIS_PROPAGATE_AOF); + if (flags != REDIS_PROPAGATE_NONE) + propagate(c->cmd,c->db->id,c->argv,c->argc,flags); + } + + /* Handle the alsoPropagate() API to handle commands that want to propagate + * multiple separated commands. */ + if (server.also_propagate.numops) { + int j; + redisOp *rop; + + for (j = 0; j < server.also_propagate.numops; j++) { + rop = &server.also_propagate.ops[j]; + propagate(rop->cmd, rop->dbid, rop->argv, rop->argc, rop->target); + } + redisOpArrayFree(&server.also_propagate); + } + server.stat_numcommands++; +} + +/* If this function gets called we already read a whole + * command, arguments are in the client argv/argc fields. + * processCommand() execute the command or prepare the + * server for a bulk read from the client. + * + * If 1 is returned the client is still alive and valid and + * other operations can be performed by the caller. Otherwise + * if 0 is returned the client was destroyed (i.e. after QUIT). */ +int processCommand(redisClient *c) { + /* The QUIT command is handled separately. Normal command procs will + * go through checking for replication and QUIT will cause trouble + * when FORCE_REPLICATION is enabled and would be implemented in + * a regular command proc. */ + if (!strcasecmp(c->argv[0]->ptr,"quit")) { + addReply(c,shared.ok); + c->flags |= REDIS_CLOSE_AFTER_REPLY; + return REDIS_ERR; + } + + /* Now lookup the command and check ASAP about trivial error conditions + * such as wrong arity, bad command name and so forth. */ + c->cmd = c->lastcmd = lookupCommand(c->argv[0]->ptr); + if (!c->cmd) { + flagTransaction(c); + addReplyErrorFormat(c,"unknown command '%s'", + (char*)c->argv[0]->ptr); + return REDIS_OK; + } else if ((c->cmd->arity > 0 && c->cmd->arity != c->argc) || + (c->argc < -c->cmd->arity)) { + flagTransaction(c); + addReplyErrorFormat(c,"wrong number of arguments for '%s' command", + c->cmd->name); + return REDIS_OK; + } + + /* Check if the user is authenticated */ + if (server.requirepass && !c->authenticated && c->cmd->proc != authCommand) + { + flagTransaction(c); + addReplyError(c,"operation not permitted"); + return REDIS_OK; + } + + /* Handle the maxmemory directive. + * + * First we try to free some memory if possible (if there are volatile + * keys in the dataset). If there are not the only thing we can do + * is returning an error. */ + if (server.maxmemory) { + int retval = freeMemoryIfNeeded(); + if ((c->cmd->flags & REDIS_CMD_DENYOOM) && retval == REDIS_ERR) { + flagTransaction(c); + addReply(c, shared.oomerr); + return REDIS_OK; + } + } + + /* Don't accept write commands if there are problems persisting on disk. */ + if (server.stop_writes_on_bgsave_err && + server.saveparamslen > 0 + && server.lastbgsave_status == REDIS_ERR && + c->cmd->flags & REDIS_CMD_WRITE) + { + flagTransaction(c); + addReply(c, shared.bgsaveerr); + return REDIS_OK; + } + + /* Don't accept write commands if this is a read only slave. But + * accept write commands if this is our master. */ + if (server.masterhost && server.repl_slave_ro && + !(c->flags & REDIS_MASTER) && + c->cmd->flags & REDIS_CMD_WRITE) + { + addReply(c, shared.roslaveerr); + return REDIS_OK; + } + + /* Only allow SUBSCRIBE and UNSUBSCRIBE in the context of Pub/Sub */ + if ((dictSize(c->pubsub_channels) > 0 || listLength(c->pubsub_patterns) > 0) + && + c->cmd->proc != subscribeCommand && + c->cmd->proc != unsubscribeCommand && + c->cmd->proc != psubscribeCommand && + c->cmd->proc != punsubscribeCommand) { + addReplyError(c,"only (P)SUBSCRIBE / (P)UNSUBSCRIBE / QUIT allowed in this context"); + return REDIS_OK; + } + + /* Only allow INFO and SLAVEOF when slave-serve-stale-data is no and + * we are a slave with a broken link with master. */ + if (server.masterhost && server.repl_state != REDIS_REPL_CONNECTED && + server.repl_serve_stale_data == 0 && + !(c->cmd->flags & REDIS_CMD_STALE)) + { + flagTransaction(c); + addReply(c, shared.masterdownerr); + return REDIS_OK; + } + + /* Loading DB? Return an error if the command has not the + * REDIS_CMD_LOADING flag. */ + if (server.loading && !(c->cmd->flags & REDIS_CMD_LOADING)) { + addReply(c, shared.loadingerr); + return REDIS_OK; + } + + /* Lua script too slow? Only allow commands with REDIS_CMD_STALE flag. */ + if (server.lua_timedout && + c->cmd->proc != authCommand && + !(c->cmd->proc == shutdownCommand && + c->argc == 2 && + tolower(((char*)c->argv[1]->ptr)[0]) == 'n') && + !(c->cmd->proc == scriptCommand && + c->argc == 2 && + tolower(((char*)c->argv[1]->ptr)[0]) == 'k')) + { + flagTransaction(c); + addReply(c, shared.slowscripterr); + return REDIS_OK; + } + + /* Exec the command */ + if (c->flags & REDIS_MULTI && + c->cmd->proc != execCommand && c->cmd->proc != discardCommand && + c->cmd->proc != multiCommand && c->cmd->proc != watchCommand) + { + queueMultiCommand(c); + addReply(c,shared.queued); + } else { + call(c,REDIS_CALL_FULL); + if (listLength(server.ready_keys)) + handleClientsBlockedOnLists(); + } + return REDIS_OK; +} + +/*================================== Shutdown =============================== */ + +int prepareForShutdown(int flags) { + int save = flags & REDIS_SHUTDOWN_SAVE; + int nosave = flags & REDIS_SHUTDOWN_NOSAVE; + + redisLog(REDIS_WARNING,"User requested shutdown..."); + /* Kill the saving child if there is a background saving in progress. + We want to avoid race conditions, for instance our saving child may + overwrite the synchronous saving did by SHUTDOWN. */ + if (server.rdb_child_pid != -1) { + redisLog(REDIS_WARNING,"There is a child saving an .rdb. Killing it!"); + kill(server.rdb_child_pid,SIGUSR1); + rdbRemoveTempFile(server.rdb_child_pid); + } + if (server.aof_state != REDIS_AOF_OFF) { + /* Kill the AOF saving child as the AOF we already have may be longer + * but contains the full dataset anyway. */ + if (server.aof_child_pid != -1) { + redisLog(REDIS_WARNING, + "There is a child rewriting the AOF. Killing it!"); + kill(server.aof_child_pid,SIGUSR1); + } + /* Append only file: fsync() the AOF and exit */ + redisLog(REDIS_NOTICE,"Calling fsync() on the AOF file."); + aof_fsync(server.aof_fd); + } + if ((server.saveparamslen > 0 && !nosave) || save) { + redisLog(REDIS_NOTICE,"Saving the final RDB snapshot before exiting."); + /* Snapshotting. Perform a SYNC SAVE and exit */ + if (rdbSave(server.rdb_filename) != REDIS_OK) { + /* Ooops.. error saving! The best we can do is to continue + * operating. Note that if there was a background saving process, + * in the next cron() Redis will be notified that the background + * saving aborted, handling special stuff like slaves pending for + * synchronization... */ + redisLog(REDIS_WARNING,"Error trying to save the DB, can't exit."); + return REDIS_ERR; + } + } + if (server.daemonize) { + redisLog(REDIS_NOTICE,"Removing the pid file."); + unlink(server.pidfile); + } + /* Close the listening sockets. Apparently this allows faster restarts. */ + if (server.ipfd != -1) close(server.ipfd); + if (server.sofd != -1) close(server.sofd); + if (server.unixsocket) { + redisLog(REDIS_NOTICE,"Removing the unix socket file."); + unlink(server.unixsocket); /* don't care if this fails */ + } + + redisLog(REDIS_WARNING,"Redis is now ready to exit, bye bye..."); + return REDIS_OK; +} + +/*================================== Commands =============================== */ + +/* Return zero if strings are the same, non-zero if they are not. + * The comparison is performed in a way that prevents an attacker to obtain + * information about the nature of the strings just monitoring the execution + * time of the function. + * + * Note that limiting the comparison length to strings up to 512 bytes we + * can avoid leaking any information about the password length and any + * possible branch misprediction related leak. + */ +int time_independent_strcmp(char *a, char *b) { + char bufa[REDIS_AUTHPASS_MAX_LEN], bufb[REDIS_AUTHPASS_MAX_LEN]; + /* The above two strlen perform len(a) + len(b) operations where either + * a or b are fixed (our password) length, and the difference is only + * relative to the length of the user provided string, so no information + * leak is possible in the following two lines of code. */ + int alen = strlen(a); + int blen = strlen(b); + int j; + int diff = 0; + + /* We can't compare strings longer than our static buffers. + * Note that this will never pass the first test in practical circumstances + * so there is no info leak. */ + if (alen > sizeof(bufa) || blen > sizeof(bufb)) return 1; + + memset(bufa,0,sizeof(bufa)); /* Constant time. */ + memset(bufb,0,sizeof(bufb)); /* Constant time. */ + /* Again the time of the following two copies is proportional to + * len(a) + len(b) so no info is leaked. */ + memcpy(bufa,a,alen); + memcpy(bufb,b,blen); + + /* Always compare all the chars in the two buffers without + * conditional expressions. */ + for (j = 0; j < sizeof(bufa); j++) { + diff |= (bufa[j] ^ bufb[j]); + } + /* Length must be equal as well. */ + diff |= alen ^ blen; + return diff; /* If zero strings are the same. */ +} + +void authCommand(redisClient *c) { + if (!server.requirepass) { + addReplyError(c,"Client sent AUTH, but no password is set"); + } else if (!time_independent_strcmp(c->argv[1]->ptr, server.requirepass)) { + c->authenticated = 1; + addReply(c,shared.ok); + } else { + c->authenticated = 0; + addReplyError(c,"invalid password"); + } +} + +void pingCommand(redisClient *c) { + addReply(c,shared.pong); +} + +void echoCommand(redisClient *c) { + addReplyBulk(c,c->argv[1]); +} + +void timeCommand(redisClient *c) { + struct timeval tv; + + /* gettimeofday() can only fail if &tv is a bad address so we + * don't check for errors. */ + gettimeofday(&tv,NULL); + addReplyMultiBulkLen(c,2); + addReplyBulkLongLong(c,tv.tv_sec); + addReplyBulkLongLong(c,tv.tv_usec); +} + +/* Convert an amount of bytes into a human readable string in the form + * of 100B, 2G, 100M, 4K, and so forth. */ +void bytesToHuman(char *s, unsigned long long n) { + double d; + + if (n < 1024) { + /* Bytes */ + sprintf(s,"%lluB",n); + return; + } else if (n < (1024*1024)) { + d = (double)n/(1024); + sprintf(s,"%.2fK",d); + } else if (n < (1024LL*1024*1024)) { + d = (double)n/(1024*1024); + sprintf(s,"%.2fM",d); + } else if (n < (1024LL*1024*1024*1024)) { + d = (double)n/(1024LL*1024*1024); + sprintf(s,"%.2fG",d); + } +} + +/* Create the string returned by the INFO command. This is decoupled + * by the INFO command itself as we need to report the same information + * on memory corruption problems. */ +sds genRedisInfoString(char *section) { + sds info = sdsempty(); + time_t uptime = server.unixtime-server.stat_starttime; + int j, numcommands; + struct rusage self_ru, c_ru; + unsigned long lol, bib; + int allsections = 0, defsections = 0; + int sections = 0; + + if (section) { + allsections = strcasecmp(section,"all") == 0; + defsections = strcasecmp(section,"default") == 0; + } + + getrusage(RUSAGE_SELF, &self_ru); + getrusage(RUSAGE_CHILDREN, &c_ru); + getClientsMaxBuffers(&lol,&bib); + + /* Server */ + if (allsections || defsections || !strcasecmp(section,"server")) { + struct utsname name; + char *mode; + + if (server.sentinel_mode) mode = "sentinel"; + else mode = "standalone"; + + if (sections++) info = sdscat(info,"\r\n"); + uname(&name); + info = sdscatprintf(info, + "# Server\r\n" + "redis_version:%s\r\n" + "redis_git_sha1:%s\r\n" + "redis_git_dirty:%d\r\n" + "redis_mode:%s\r\n" + "os:%s %s %s\r\n" + "arch_bits:%d\r\n" + "multiplexing_api:%s\r\n" + "gcc_version:%d.%d.%d\r\n" + "process_id:%ld\r\n" + "run_id:%s\r\n" + "tcp_port:%d\r\n" + "uptime_in_seconds:%ld\r\n" + "uptime_in_days:%ld\r\n" + "hz:%d\r\n" + "lru_clock:%ld\r\n", + REDIS_VERSION, + redisGitSHA1(), + strtol(redisGitDirty(),NULL,10) > 0, + mode, + name.sysname, name.release, name.machine, + server.arch_bits, + aeGetApiName(), +#ifdef __GNUC__ + __GNUC__,__GNUC_MINOR__,__GNUC_PATCHLEVEL__, +#else + 0,0,0, +#endif + (long) getpid(), + server.runid, + server.port, + uptime, + uptime/(3600*24), + server.hz, + (unsigned long) server.lruclock); + } + + /* Clients */ + if (allsections || defsections || !strcasecmp(section,"clients")) { + if (sections++) info = sdscat(info,"\r\n"); + info = sdscatprintf(info, + "# Clients\r\n" + "connected_clients:%lu\r\n" + "client_longest_output_list:%lu\r\n" + "client_biggest_input_buf:%lu\r\n" + "blocked_clients:%d\r\n", + listLength(server.clients)-listLength(server.slaves), + lol, bib, + server.bpop_blocked_clients); + } + + /* Memory */ + if (allsections || defsections || !strcasecmp(section,"memory")) { + char hmem[64]; + char peak_hmem[64]; + + bytesToHuman(hmem,zmalloc_used_memory()); + bytesToHuman(peak_hmem,server.stat_peak_memory); + if (sections++) info = sdscat(info,"\r\n"); + info = sdscatprintf(info, + "# Memory\r\n" + "used_memory:%zu\r\n" + "used_memory_human:%s\r\n" + "used_memory_rss:%zu\r\n" + "used_memory_peak:%zu\r\n" + "used_memory_peak_human:%s\r\n" + "used_memory_lua:%lld\r\n" + "mem_fragmentation_ratio:%.2f\r\n" + "mem_allocator:%s\r\n", + zmalloc_used_memory(), + hmem, + zmalloc_get_rss(), + server.stat_peak_memory, + peak_hmem, + ((long long)lua_gc(server.lua,LUA_GCCOUNT,0))*1024LL, + zmalloc_get_fragmentation_ratio(), + ZMALLOC_LIB + ); + } + + /* Persistence */ + if (allsections || defsections || !strcasecmp(section,"persistence")) { + if (sections++) info = sdscat(info,"\r\n"); + info = sdscatprintf(info, + "# Persistence\r\n" + "loading:%d\r\n" + "rdb_changes_since_last_save:%lld\r\n" + "rdb_bgsave_in_progress:%d\r\n" + "rdb_last_save_time:%ld\r\n" + "rdb_last_bgsave_status:%s\r\n" + "rdb_last_bgsave_time_sec:%ld\r\n" + "rdb_current_bgsave_time_sec:%ld\r\n" + "aof_enabled:%d\r\n" + "aof_rewrite_in_progress:%d\r\n" + "aof_rewrite_scheduled:%d\r\n" + "aof_last_rewrite_time_sec:%ld\r\n" + "aof_current_rewrite_time_sec:%ld\r\n" + "aof_last_bgrewrite_status:%s\r\n", + server.loading, + server.dirty, + server.rdb_child_pid != -1, + server.lastsave, + (server.lastbgsave_status == REDIS_OK) ? "ok" : "err", + server.rdb_save_time_last, + (server.rdb_child_pid == -1) ? + -1 : time(NULL)-server.rdb_save_time_start, + server.aof_state != REDIS_AOF_OFF, + server.aof_child_pid != -1, + server.aof_rewrite_scheduled, + server.aof_rewrite_time_last, + (server.aof_child_pid == -1) ? + -1 : time(NULL)-server.aof_rewrite_time_start, + (server.aof_lastbgrewrite_status == REDIS_OK) ? "ok" : "err"); + + if (server.aof_state != REDIS_AOF_OFF) { + info = sdscatprintf(info, + "aof_current_size:%lld\r\n" + "aof_base_size:%lld\r\n" + "aof_pending_rewrite:%d\r\n" + "aof_buffer_length:%zu\r\n" + "aof_rewrite_buffer_length:%lu\r\n" + "aof_pending_bio_fsync:%llu\r\n" + "aof_delayed_fsync:%lu\r\n", + (long long) server.aof_current_size, + (long long) server.aof_rewrite_base_size, + server.aof_rewrite_scheduled, + sdslen(server.aof_buf), + aofRewriteBufferSize(), + bioPendingJobsOfType(REDIS_BIO_AOF_FSYNC), + server.aof_delayed_fsync); + } + + if (server.loading) { + double perc; + time_t eta, elapsed; + off_t remaining_bytes = server.loading_total_bytes- + server.loading_loaded_bytes; + + perc = ((double)server.loading_loaded_bytes / + server.loading_total_bytes) * 100; + + elapsed = server.unixtime-server.loading_start_time; + if (elapsed == 0) { + eta = 1; /* A fake 1 second figure if we don't have + enough info */ + } else { + eta = (elapsed*remaining_bytes)/server.loading_loaded_bytes; + } + + info = sdscatprintf(info, + "loading_start_time:%ld\r\n" + "loading_total_bytes:%llu\r\n" + "loading_loaded_bytes:%llu\r\n" + "loading_loaded_perc:%.2f\r\n" + "loading_eta_seconds:%ld\r\n" + ,(unsigned long) server.loading_start_time, + (unsigned long long) server.loading_total_bytes, + (unsigned long long) server.loading_loaded_bytes, + perc, + eta + ); + } + } + + /* Stats */ + if (allsections || defsections || !strcasecmp(section,"stats")) { + if (sections++) info = sdscat(info,"\r\n"); + info = sdscatprintf(info, + "# Stats\r\n" + "total_connections_received:%lld\r\n" + "total_commands_processed:%lld\r\n" + "instantaneous_ops_per_sec:%lld\r\n" + "rejected_connections:%lld\r\n" + "expired_keys:%lld\r\n" + "evicted_keys:%lld\r\n" + "keyspace_hits:%lld\r\n" + "keyspace_misses:%lld\r\n" + "pubsub_channels:%ld\r\n" + "pubsub_patterns:%lu\r\n" + "latest_fork_usec:%lld\r\n", + server.stat_numconnections, + server.stat_numcommands, + getOperationsPerSecond(), + server.stat_rejected_conn, + server.stat_expiredkeys, + server.stat_evictedkeys, + server.stat_keyspace_hits, + server.stat_keyspace_misses, + dictSize(server.pubsub_channels), + listLength(server.pubsub_patterns), + server.stat_fork_time); + } + + /* Replication */ + if (allsections || defsections || !strcasecmp(section,"replication")) { + if (sections++) info = sdscat(info,"\r\n"); + info = sdscatprintf(info, + "# Replication\r\n" + "role:%s\r\n", + server.masterhost == NULL ? "master" : "slave"); + if (server.masterhost) { + info = sdscatprintf(info, + "master_host:%s\r\n" + "master_port:%d\r\n" + "master_link_status:%s\r\n" + "master_last_io_seconds_ago:%d\r\n" + "master_sync_in_progress:%d\r\n" + ,server.masterhost, + server.masterport, + (server.repl_state == REDIS_REPL_CONNECTED) ? + "up" : "down", + server.master ? + ((int)(server.unixtime-server.master->lastinteraction)) : -1, + server.repl_state == REDIS_REPL_TRANSFER + ); + + if (server.repl_state == REDIS_REPL_TRANSFER) { + info = sdscatprintf(info, + "master_sync_left_bytes:%lld\r\n" + "master_sync_last_io_seconds_ago:%d\r\n" + , (long long) + (server.repl_transfer_size - server.repl_transfer_read), + (int)(server.unixtime-server.repl_transfer_lastio) + ); + } + + if (server.repl_state != REDIS_REPL_CONNECTED) { + info = sdscatprintf(info, + "master_link_down_since_seconds:%ld\r\n", + (long)server.unixtime-server.repl_down_since); + } + info = sdscatprintf(info, + "slave_priority:%d\r\n" + "slave_read_only:%d\r\n", + server.slave_priority, + server.repl_slave_ro); + } + info = sdscatprintf(info, + "connected_slaves:%lu\r\n", + listLength(server.slaves)); + if (listLength(server.slaves)) { + int slaveid = 0; + listNode *ln; + listIter li; + + listRewind(server.slaves,&li); + while((ln = listNext(&li))) { + redisClient *slave = listNodeValue(ln); + char *state = NULL; + char ip[32]; + int port; + + if (anetPeerToString(slave->fd,ip,&port) == -1) continue; + switch(slave->replstate) { + case REDIS_REPL_WAIT_BGSAVE_START: + case REDIS_REPL_WAIT_BGSAVE_END: + state = "wait_bgsave"; + break; + case REDIS_REPL_SEND_BULK: + state = "send_bulk"; + break; + case REDIS_REPL_ONLINE: + state = "online"; + break; + } + if (state == NULL) continue; + info = sdscatprintf(info,"slave%d:%s,%d,%s\r\n", + slaveid,ip,slave->slave_listening_port,state); + slaveid++; + } + } + } + + /* CPU */ + if (allsections || defsections || !strcasecmp(section,"cpu")) { + if (sections++) info = sdscat(info,"\r\n"); + info = sdscatprintf(info, + "# CPU\r\n" + "used_cpu_sys:%.2f\r\n" + "used_cpu_user:%.2f\r\n" + "used_cpu_sys_children:%.2f\r\n" + "used_cpu_user_children:%.2f\r\n", + (float)self_ru.ru_stime.tv_sec+(float)self_ru.ru_stime.tv_usec/1000000, + (float)self_ru.ru_utime.tv_sec+(float)self_ru.ru_utime.tv_usec/1000000, + (float)c_ru.ru_stime.tv_sec+(float)c_ru.ru_stime.tv_usec/1000000, + (float)c_ru.ru_utime.tv_sec+(float)c_ru.ru_utime.tv_usec/1000000); + } + + /* cmdtime */ + if (allsections || !strcasecmp(section,"commandstats")) { + if (sections++) info = sdscat(info,"\r\n"); + info = sdscatprintf(info, "# Commandstats\r\n"); + numcommands = sizeof(redisCommandTable)/sizeof(struct redisCommand); + for (j = 0; j < numcommands; j++) { + struct redisCommand *c = redisCommandTable+j; + + if (!c->calls) continue; + info = sdscatprintf(info, + "cmdstat_%s:calls=%lld,usec=%lld,usec_per_call=%.2f\r\n", + c->name, c->calls, c->microseconds, + (c->calls == 0) ? 0 : ((float)c->microseconds/c->calls)); + } + } + + /* Key space */ + if (allsections || defsections || !strcasecmp(section,"keyspace")) { + if (sections++) info = sdscat(info,"\r\n"); + info = sdscatprintf(info, "# Keyspace\r\n"); + for (j = 0; j < server.dbnum; j++) { + long long keys, vkeys; + + keys = dictSize(server.db[j].dict); + vkeys = dictSize(server.db[j].expires); + if (keys || vkeys) { + info = sdscatprintf(info, "db%d:keys=%lld,expires=%lld\r\n", + j, keys, vkeys); + } + } + } + return info; +} + +void infoCommand(redisClient *c) { + char *section = c->argc == 2 ? c->argv[1]->ptr : "default"; + + if (c->argc > 2) { + addReply(c,shared.syntaxerr); + return; + } + sds info = genRedisInfoString(section); + addReplySds(c,sdscatprintf(sdsempty(),"$%lu\r\n", + (unsigned long)sdslen(info))); + addReplySds(c,info); + addReply(c,shared.crlf); +} + +void monitorCommand(redisClient *c) { + /* ignore MONITOR if already slave or in monitor mode */ + if (c->flags & REDIS_SLAVE) return; + + c->flags |= (REDIS_SLAVE|REDIS_MONITOR); + c->slaveseldb = 0; + listAddNodeTail(server.monitors,c); + addReply(c,shared.ok); +} + +/* ============================ Maxmemory directive ======================== */ + +/* This function gets called when 'maxmemory' is set on the config file to limit + * the max memory used by the server, before processing a command. + * + * The goal of the function is to free enough memory to keep Redis under the + * configured memory limit. + * + * The function starts calculating how many bytes should be freed to keep + * Redis under the limit, and enters a loop selecting the best keys to + * evict accordingly to the configured policy. + * + * If all the bytes needed to return back under the limit were freed the + * function returns REDIS_OK, otherwise REDIS_ERR is returned, and the caller + * should block the execution of commands that will result in more memory + * used by the server. + */ +int freeMemoryIfNeeded(void) { + size_t mem_used, mem_tofree, mem_freed; + int slaves = listLength(server.slaves); + + /* Remove the size of slaves output buffers and AOF buffer from the + * count of used memory. */ + mem_used = zmalloc_used_memory(); + if (slaves) { + listIter li; + listNode *ln; + + listRewind(server.slaves,&li); + while((ln = listNext(&li))) { + redisClient *slave = listNodeValue(ln); + unsigned long obuf_bytes = getClientOutputBufferMemoryUsage(slave); + if (obuf_bytes > mem_used) + mem_used = 0; + else + mem_used -= obuf_bytes; + } + } + if (server.aof_state != REDIS_AOF_OFF) { + mem_used -= sdslen(server.aof_buf); + mem_used -= aofRewriteBufferSize(); + } + + /* Check if we are over the memory limit. */ + if (mem_used <= server.maxmemory) return REDIS_OK; + + if (server.maxmemory_policy == REDIS_MAXMEMORY_NO_EVICTION) + return REDIS_ERR; /* We need to free memory, but policy forbids. */ + + /* Compute how much memory we need to free. */ + mem_tofree = mem_used - server.maxmemory; + mem_freed = 0; + while (mem_freed < mem_tofree) { + int j, k, keys_freed = 0; + + for (j = 0; j < server.dbnum; j++) { + long bestval = 0; /* just to prevent warning */ + sds bestkey = NULL; + struct dictEntry *de; + redisDb *db = server.db+j; + dict *dict; + + if (server.maxmemory_policy == REDIS_MAXMEMORY_ALLKEYS_LRU || + server.maxmemory_policy == REDIS_MAXMEMORY_ALLKEYS_RANDOM) + { + dict = server.db[j].dict; + } else { + dict = server.db[j].expires; + } + if (dictSize(dict) == 0) continue; + + /* volatile-random and allkeys-random policy */ + if (server.maxmemory_policy == REDIS_MAXMEMORY_ALLKEYS_RANDOM || + server.maxmemory_policy == REDIS_MAXMEMORY_VOLATILE_RANDOM) + { + de = dictGetRandomKey(dict); + bestkey = dictGetKey(de); + } + + /* volatile-lru and allkeys-lru policy */ + else if (server.maxmemory_policy == REDIS_MAXMEMORY_ALLKEYS_LRU || + server.maxmemory_policy == REDIS_MAXMEMORY_VOLATILE_LRU) + { + for (k = 0; k < server.maxmemory_samples; k++) { + sds thiskey; + long thisval; + robj *o; + + de = dictGetRandomKey(dict); + thiskey = dictGetKey(de); + /* When policy is volatile-lru we need an additional lookup + * to locate the real key, as dict is set to db->expires. */ + if (server.maxmemory_policy == REDIS_MAXMEMORY_VOLATILE_LRU) + de = dictFind(db->dict, thiskey); + o = dictGetVal(de); + thisval = estimateObjectIdleTime(o); + + /* Higher idle time is better candidate for deletion */ + if (bestkey == NULL || thisval > bestval) { + bestkey = thiskey; + bestval = thisval; + } + } + } + + /* volatile-ttl */ + else if (server.maxmemory_policy == REDIS_MAXMEMORY_VOLATILE_TTL) { + for (k = 0; k < server.maxmemory_samples; k++) { + sds thiskey; + long thisval; + + de = dictGetRandomKey(dict); + thiskey = dictGetKey(de); + thisval = (long) dictGetVal(de); + + /* Expire sooner (minor expire unix timestamp) is better + * candidate for deletion */ + if (bestkey == NULL || thisval < bestval) { + bestkey = thiskey; + bestval = thisval; + } + } + } + + /* Finally remove the selected key. */ + if (bestkey) { + long long delta; + + robj *keyobj = createStringObject(bestkey,sdslen(bestkey)); + propagateExpire(db,keyobj); + /* We compute the amount of memory freed by dbDelete() alone. + * It is possible that actually the memory needed to propagate + * the DEL in AOF and replication link is greater than the one + * we are freeing removing the key, but we can't account for + * that otherwise we would never exit the loop. + * + * AOF and Output buffer memory will be freed eventually so + * we only care about memory used by the key space. */ + delta = (long long) zmalloc_used_memory(); + dbDelete(db,keyobj); + delta -= (long long) zmalloc_used_memory(); + mem_freed += delta; + server.stat_evictedkeys++; + decrRefCount(keyobj); + keys_freed++; + + /* When the memory to free starts to be big enough, we may + * start spending so much time here that is impossible to + * deliver data to the slaves fast enough, so we force the + * transmission here inside the loop. */ + if (slaves) flushSlavesOutputBuffers(); + } + } + if (!keys_freed) return REDIS_ERR; /* nothing to free... */ + } + return REDIS_OK; +} + +/* =================================== Main! ================================ */ + +#ifdef __linux__ +int linuxOvercommitMemoryValue(void) { + FILE *fp = fopen("/proc/sys/vm/overcommit_memory","r"); + char buf[64]; + + if (!fp) return -1; + if (fgets(buf,64,fp) == NULL) { + fclose(fp); + return -1; + } + fclose(fp); + + return atoi(buf); +} + +void linuxOvercommitMemoryWarning(void) { + if (linuxOvercommitMemoryValue() == 0) { + redisLog(REDIS_WARNING,"WARNING overcommit_memory is set to 0! Background save may fail under low memory condition. To fix this issue add 'vm.overcommit_memory = 1' to /etc/sysctl.conf and then reboot or run the command 'sysctl vm.overcommit_memory=1' for this to take effect."); + } +} +#endif /* __linux__ */ + +void createPidFile(void) { + /* Try to write the pid file in a best-effort way. */ + FILE *fp = fopen(server.pidfile,"w"); + if (fp) { + fprintf(fp,"%d\n",(int)getpid()); + fclose(fp); + } +} + +void daemonize(void) { + int fd; + + if (fork() != 0) exit(0); /* parent exits */ + setsid(); /* create a new session */ + + /* Every output goes to /dev/null. If Redis is daemonized but + * the 'logfile' is set to 'stdout' in the configuration file + * it will not log at all. */ + if ((fd = open("/dev/null", O_RDWR, 0)) != -1) { + dup2(fd, STDIN_FILENO); + dup2(fd, STDOUT_FILENO); + dup2(fd, STDERR_FILENO); + if (fd > STDERR_FILENO) close(fd); + } +} + +void version() { + printf("Redis server v=%s sha=%s:%d malloc=%s bits=%d\n", + REDIS_VERSION, + redisGitSHA1(), + atoi(redisGitDirty()) > 0, + ZMALLOC_LIB, + sizeof(long) == 4 ? 32 : 64); + exit(0); +} + +void usage() { + fprintf(stderr,"Usage: ./redis-server [/path/to/redis.conf] [options]\n"); + fprintf(stderr," ./redis-server - (read config from stdin)\n"); + fprintf(stderr," ./redis-server -v or --version\n"); + fprintf(stderr," ./redis-server -h or --help\n"); + fprintf(stderr," ./redis-server --test-memory \n\n"); + fprintf(stderr,"Examples:\n"); + fprintf(stderr," ./redis-server (run the server with default conf)\n"); + fprintf(stderr," ./redis-server /etc/redis/6379.conf\n"); + fprintf(stderr," ./redis-server --port 7777\n"); + fprintf(stderr," ./redis-server --port 7777 --slaveof 127.0.0.1 8888\n"); + fprintf(stderr," ./redis-server /etc/myredis.conf --loglevel verbose\n\n"); + fprintf(stderr,"Sentinel mode:\n"); + fprintf(stderr," ./redis-server /etc/sentinel.conf --sentinel\n"); + exit(1); +} + +void redisAsciiArt(void) { +#include "asciilogo.h" + char *buf = zmalloc(1024*16); + char *mode = "stand alone"; + + if (server.sentinel_mode) mode = "sentinel"; + + snprintf(buf,1024*16,ascii_logo, + REDIS_VERSION, + redisGitSHA1(), + strtol(redisGitDirty(),NULL,10) > 0, + (sizeof(long) == 8) ? "64" : "32", + mode, server.port, + (long) getpid() + ); + redisLogRaw(REDIS_NOTICE|REDIS_LOG_RAW,buf); + zfree(buf); +} + +static void sigtermHandler(int sig) { + REDIS_NOTUSED(sig); + + redisLogFromHandler(REDIS_WARNING,"Received SIGTERM, scheduling shutdown..."); + server.shutdown_asap = 1; +} + +void setupSignalHandlers(void) { + struct sigaction act; + + /* When the SA_SIGINFO flag is set in sa_flags then sa_sigaction is used. + * Otherwise, sa_handler is used. */ + sigemptyset(&act.sa_mask); + act.sa_flags = 0; + act.sa_handler = sigtermHandler; + sigaction(SIGTERM, &act, NULL); + +#ifdef HAVE_BACKTRACE + sigemptyset(&act.sa_mask); + act.sa_flags = SA_NODEFER | SA_RESETHAND | SA_SIGINFO; + act.sa_sigaction = sigsegvHandler; + sigaction(SIGSEGV, &act, NULL); + sigaction(SIGBUS, &act, NULL); + sigaction(SIGFPE, &act, NULL); + sigaction(SIGILL, &act, NULL); +#endif + return; +} + +void memtest(size_t megabytes, int passes); + +/* Returns 1 if there is --sentinel among the arguments or if + * argv[0] is exactly "redis-sentinel". */ +int checkForSentinelMode(int argc, char **argv) { + int j; + + if (strstr(argv[0],"redis-sentinel") != NULL) return 1; + for (j = 1; j < argc; j++) + if (!strcmp(argv[j],"--sentinel")) return 1; + return 0; +} + +/* Function called at startup to load RDB or AOF file in memory. */ +void loadDataFromDisk(void) { + long long start = ustime(); + if (server.aof_state == REDIS_AOF_ON) { + if (loadAppendOnlyFile(server.aof_filename) == REDIS_OK) + redisLog(REDIS_NOTICE,"DB loaded from append only file: %.3f seconds",(float)(ustime()-start)/1000000); + } else { + if (rdbLoad(server.rdb_filename) == REDIS_OK) { + redisLog(REDIS_NOTICE,"DB loaded from disk: %.3f seconds", + (float)(ustime()-start)/1000000); + } else if (errno != ENOENT) { + redisLog(REDIS_WARNING,"Fatal error loading the DB: %s. Exiting.",strerror(errno)); + exit(1); + } + } +} + +void redisOutOfMemoryHandler(size_t allocation_size) { + redisLog(REDIS_WARNING,"Out Of Memory allocating %zu bytes!", + allocation_size); + redisPanic("Redis aborting for OUT OF MEMORY"); +} + +int main(int argc, char **argv) { + struct timeval tv; + + /* We need to initialize our libraries, and the server configuration. */ + zmalloc_enable_thread_safeness(); + zmalloc_set_oom_handler(redisOutOfMemoryHandler); + srand(time(NULL)^getpid()); + gettimeofday(&tv,NULL); + dictSetHashFunctionSeed(tv.tv_sec^tv.tv_usec^getpid()); + server.sentinel_mode = checkForSentinelMode(argc,argv); + initServerConfig(); + + /* We need to init sentinel right now as parsing the configuration file + * in sentinel mode will have the effect of populating the sentinel + * data structures with master nodes to monitor. */ + if (server.sentinel_mode) { + initSentinelConfig(); + initSentinel(); + } + + if (argc >= 2) { + int j = 1; /* First option to parse in argv[] */ + sds options = sdsempty(); + char *configfile = NULL; + + /* Handle special options --help and --version */ + if (strcmp(argv[1], "-v") == 0 || + strcmp(argv[1], "--version") == 0) version(); + if (strcmp(argv[1], "--help") == 0 || + strcmp(argv[1], "-h") == 0) usage(); + if (strcmp(argv[1], "--test-memory") == 0) { + if (argc == 3) { + memtest(atoi(argv[2]),50); + exit(0); + } else { + fprintf(stderr,"Please specify the amount of memory to test in megabytes.\n"); + fprintf(stderr,"Example: ./redis-server --test-memory 4096\n\n"); + exit(1); + } + } + + /* First argument is the config file name? */ + if (argv[j][0] != '-' || argv[j][1] != '-') + configfile = argv[j++]; + /* All the other options are parsed and conceptually appended to the + * configuration file. For instance --port 6380 will generate the + * string "port 6380\n" to be parsed after the actual file name + * is parsed, if any. */ + while(j != argc) { + if (argv[j][0] == '-' && argv[j][1] == '-') { + /* Option name */ + if (sdslen(options)) options = sdscat(options,"\n"); + options = sdscat(options,argv[j]+2); + options = sdscat(options," "); + } else { + /* Option argument */ + options = sdscatrepr(options,argv[j],strlen(argv[j])); + options = sdscat(options," "); + } + j++; + } + resetServerSaveParams(); + loadServerConfig(configfile,options); + sdsfree(options); + } else { + redisLog(REDIS_WARNING, "Warning: no config file specified, using the default config. In order to specify a config file use %s /path/to/%s.conf", argv[0], server.sentinel_mode ? "sentinel" : "redis"); + } + if (server.daemonize) daemonize(); + initServer(); + if (server.daemonize) createPidFile(); + redisAsciiArt(); + + if (!server.sentinel_mode) { + /* Things only needed when not running in Sentinel mode. */ + redisLog(REDIS_WARNING,"Server started, Redis version " REDIS_VERSION); + #ifdef __linux__ + linuxOvercommitMemoryWarning(); + #endif + loadDataFromDisk(); + if (server.ipfd > 0) + redisLog(REDIS_NOTICE,"The server is now ready to accept connections on port %d", server.port); + if (server.sofd > 0) + redisLog(REDIS_NOTICE,"The server is now ready to accept connections at %s", server.unixsocket); + } + + /* Warning the user about suspicious maxmemory setting. */ + if (server.maxmemory > 0 && server.maxmemory < 1024*1024) { + redisLog(REDIS_WARNING,"WARNING: You specified a maxmemory value that is less than 1MB (current value is %llu bytes). Are you sure this is what you really want?", server.maxmemory); + } + + aeSetBeforeSleepProc(server.el,beforeSleep); + aeMain(server.el); + aeDeleteEventLoop(server.el); + return 0; +} + +/* The End */ diff --git a/src/redis.h b/src/redis.h index c71e372..4a8b630 100644 --- a/src/redis.h +++ b/src/redis.h @@ -1,1255 +1,1316 @@ -/* - * Copyright (c) 2009-2012, Salvatore Sanfilippo - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * * Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * * Neither the name of Redis nor the names of its contributors may be used - * to endorse or promote products derived from this software without - * specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -#ifndef __REDIS_H -#define __REDIS_H - -#include "fmacros.h" -#include "config.h" - -#if defined(__sun) -#include "solarisfixes.h" -#endif - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include "ae.h" /* Event driven programming library */ -#include "sds.h" /* Dynamic safe strings */ -#include "dict.h" /* Hash tables */ -#include "adlist.h" /* Linked lists */ -#include "zmalloc.h" /* total memory usage aware version of malloc/free */ -#include "anet.h" /* Networking the easy way */ -#include "ziplist.h" /* Compact list data structure */ -#include "intset.h" /* Compact integer set structure */ -#include "version.h" /* Version macro */ -#include "util.h" /* Misc functions useful in many places */ - -/* Error codes */ -#define REDIS_OK 0 -#define REDIS_ERR -1 - -/* Static server configuration */ -#define REDIS_HZ 100 /* Time interrupt calls/sec. */ -#define REDIS_SERVERPORT 6379 /* TCP port */ -#define REDIS_MAXIDLETIME 0 /* default client timeout: infinite */ -#define REDIS_DEFAULT_DBNUM 16 -#define REDIS_CONFIGLINE_MAX 1024 -#define REDIS_EXPIRELOOKUPS_PER_CRON 10 /* lookup 10 expires per loop */ -#define REDIS_EXPIRELOOKUPS_TIME_PERC 25 /* CPU max % for keys collection */ -#define REDIS_MAX_WRITE_PER_EVENT (1024*64) -#define REDIS_SHARED_SELECT_CMDS 10 -#define REDIS_SHARED_INTEGERS 10000 -#define REDIS_SHARED_BULKHDR_LEN 32 -#define REDIS_MAX_LOGMSG_LEN 1024 /* Default maximum length of syslog messages */ -#define REDIS_AOF_REWRITE_PERC 100 -#define REDIS_AOF_REWRITE_MIN_SIZE (1024*1024) -#define REDIS_AOF_REWRITE_ITEMS_PER_CMD 64 -#define REDIS_SLOWLOG_LOG_SLOWER_THAN 10000 -#define REDIS_SLOWLOG_MAX_LEN 128 -#define REDIS_MAX_CLIENTS 10000 -#define REDIS_AUTHPASS_MAX_LEN 512 -#define REDIS_DEFAULT_SLAVE_PRIORITY 100 -#define REDIS_REPL_TIMEOUT 60 -#define REDIS_REPL_PING_SLAVE_PERIOD 10 -#define REDIS_RUN_ID_SIZE 40 -#define REDIS_OPS_SEC_SAMPLES 16 - -/* Protocol and I/O related defines */ -#define REDIS_MAX_QUERYBUF_LEN (1024*1024*1024) /* 1GB max query buffer. */ -#define REDIS_IOBUF_LEN (1024*16) /* Generic I/O buffer size */ -#define REDIS_REPLY_CHUNK_BYTES (16*1024) /* 16k output buffer */ -#define REDIS_INLINE_MAX_SIZE (1024*64) /* Max size of inline reads */ -#define REDIS_MBULK_BIG_ARG (1024*32) - -/* Hash table parameters */ -#define REDIS_HT_MINFILL 10 /* Minimal hash table fill 10% */ - -/* Command flags. Please check the command table defined in the redis.c file - * for more information about the meaning of every flag. */ -#define REDIS_CMD_WRITE 1 /* "w" flag */ -#define REDIS_CMD_READONLY 2 /* "r" flag */ -#define REDIS_CMD_DENYOOM 4 /* "m" flag */ -#define REDIS_CMD_FORCE_REPLICATION 8 /* "f" flag */ -#define REDIS_CMD_ADMIN 16 /* "a" flag */ -#define REDIS_CMD_PUBSUB 32 /* "p" flag */ -#define REDIS_CMD_NOSCRIPT 64 /* "s" flag */ -#define REDIS_CMD_RANDOM 128 /* "R" flag */ -#define REDIS_CMD_SORT_FOR_SCRIPT 256 /* "S" flag */ -#define REDIS_CMD_LOADING 512 /* "l" flag */ -#define REDIS_CMD_STALE 1024 /* "t" flag */ -#define REDIS_CMD_SKIP_MONITOR 2048 /* "M" flag */ - -/* Object types */ -#define REDIS_STRING 0 -#define REDIS_LIST 1 -#define REDIS_SET 2 -#define REDIS_ZSET 3 -#define REDIS_HASH 4 - -/* Objects encoding. Some kind of objects like Strings and Hashes can be - * internally represented in multiple ways. The 'encoding' field of the object - * is set to one of this fields for this object. */ -#define REDIS_ENCODING_RAW 0 /* Raw representation */ -#define REDIS_ENCODING_INT 1 /* Encoded as integer */ -#define REDIS_ENCODING_HT 2 /* Encoded as hash table */ -#define REDIS_ENCODING_ZIPMAP 3 /* Encoded as zipmap */ -#define REDIS_ENCODING_LINKEDLIST 4 /* Encoded as regular linked list */ -#define REDIS_ENCODING_ZIPLIST 5 /* Encoded as ziplist */ -#define REDIS_ENCODING_INTSET 6 /* Encoded as intset */ -#define REDIS_ENCODING_SKIPLIST 7 /* Encoded as skiplist */ - -/* Defines related to the dump file format. To store 32 bits lengths for short - * keys requires a lot of space, so we check the most significant 2 bits of - * the first byte to interpreter the length: - * - * 00|000000 => if the two MSB are 00 the len is the 6 bits of this byte - * 01|000000 00000000 => 01, the len is 14 byes, 6 bits + 8 bits of next byte - * 10|000000 [32 bit integer] => if it's 01, a full 32 bit len will follow - * 11|000000 this means: specially encoded object will follow. The six bits - * number specify the kind of object that follows. - * See the REDIS_RDB_ENC_* defines. - * - * Lenghts up to 63 are stored using a single byte, most DB keys, and may - * values, will fit inside. */ -#define REDIS_RDB_6BITLEN 0 -#define REDIS_RDB_14BITLEN 1 -#define REDIS_RDB_32BITLEN 2 -#define REDIS_RDB_ENCVAL 3 -#define REDIS_RDB_LENERR UINT_MAX - -/* When a length of a string object stored on disk has the first two bits - * set, the remaining two bits specify a special encoding for the object - * accordingly to the following defines: */ -#define REDIS_RDB_ENC_INT8 0 /* 8 bit signed integer */ -#define REDIS_RDB_ENC_INT16 1 /* 16 bit signed integer */ -#define REDIS_RDB_ENC_INT32 2 /* 32 bit signed integer */ -#define REDIS_RDB_ENC_LZF 3 /* string compressed with FASTLZ */ - -/* AOF states */ -#define REDIS_AOF_OFF 0 /* AOF is off */ -#define REDIS_AOF_ON 1 /* AOF is on */ -#define REDIS_AOF_WAIT_REWRITE 2 /* AOF waits rewrite to start appending */ - -/* Client flags */ -#define REDIS_SLAVE (1<<0) /* This client is a slave server */ -#define REDIS_MASTER (1<<1) /* This client is a master server */ -#define REDIS_MONITOR (1<<2) /* This client is a slave monitor, see MONITOR */ -#define REDIS_MULTI (1<<3) /* This client is in a MULTI context */ -#define REDIS_BLOCKED (1<<4) /* The client is waiting in a blocking operation */ -#define REDIS_DIRTY_CAS (1<<5) /* Watched keys modified. EXEC will fail. */ -#define REDIS_CLOSE_AFTER_REPLY (1<<6) /* Close after writing entire reply. */ -#define REDIS_UNBLOCKED (1<<7) /* This client was unblocked and is stored in - server.unblocked_clients */ -#define REDIS_LUA_CLIENT (1<<8) /* This is a non connected client used by Lua */ -#define REDIS_ASKING (1<<9) /* Client issued the ASKING command */ -#define REDIS_CLOSE_ASAP (1<<10)/* Close this client ASAP */ -#define REDIS_UNIX_SOCKET (1<<11) /* Client connected via Unix domain socket */ -#define REDIS_DIRTY_EXEC (1<<12) /* EXEC will fail for errors while queueing */ - -/* Client request types */ -#define REDIS_REQ_INLINE 1 -#define REDIS_REQ_MULTIBULK 2 - -/* Client classes for client limits, currently used only for - * the max-client-output-buffer limit implementation. */ -#define REDIS_CLIENT_LIMIT_CLASS_NORMAL 0 -#define REDIS_CLIENT_LIMIT_CLASS_SLAVE 1 -#define REDIS_CLIENT_LIMIT_CLASS_PUBSUB 2 -#define REDIS_CLIENT_LIMIT_NUM_CLASSES 3 - -/* Slave replication state - slave side */ -#define REDIS_REPL_NONE 0 /* No active replication */ -#define REDIS_REPL_CONNECT 1 /* Must connect to master */ -#define REDIS_REPL_CONNECTING 2 /* Connecting to master */ -#define REDIS_REPL_RECEIVE_PONG 3 /* Wait for PING reply */ -#define REDIS_REPL_TRANSFER 4 /* Receiving .rdb from master */ -#define REDIS_REPL_CONNECTED 5 /* Connected to master */ - -/* Synchronous read timeout - slave side */ -#define REDIS_REPL_SYNCIO_TIMEOUT 5 - -/* Slave replication state - from the point of view of master - * Note that in SEND_BULK and ONLINE state the slave receives new updates - * in its output queue. In the WAIT_BGSAVE state instead the server is waiting - * to start the next background saving in order to send updates to it. */ -#define REDIS_REPL_WAIT_BGSAVE_START 3 /* master waits bgsave to start feeding it */ -#define REDIS_REPL_WAIT_BGSAVE_END 4 /* master waits bgsave to start bulk DB transmission */ -#define REDIS_REPL_SEND_BULK 5 /* master is sending the bulk DB */ -#define REDIS_REPL_ONLINE 6 /* bulk DB already transmitted, receive updates */ - -/* List related stuff */ -#define REDIS_HEAD 0 -#define REDIS_TAIL 1 - -/* Sort operations */ -#define REDIS_SORT_GET 0 -#define REDIS_SORT_ASC 1 -#define REDIS_SORT_DESC 2 -#define REDIS_SORTKEY_MAX 1024 - -/* Log levels */ -#define REDIS_DEBUG 0 -#define REDIS_VERBOSE 1 -#define REDIS_NOTICE 2 -#define REDIS_WARNING 3 -#define REDIS_LOG_RAW (1<<10) /* Modifier to log without timestamp */ - -/* Anti-warning macro... */ -#define REDIS_NOTUSED(V) ((void) V) - -#define ZSKIPLIST_MAXLEVEL 32 /* Should be enough for 2^32 elements */ -#define ZSKIPLIST_P 0.25 /* Skiplist P = 1/4 */ - -/* Append only defines */ -#define AOF_FSYNC_NO 0 -#define AOF_FSYNC_ALWAYS 1 -#define AOF_FSYNC_EVERYSEC 2 - -/* Zip structure related defaults */ -#define REDIS_HASH_MAX_ZIPLIST_ENTRIES 512 -#define REDIS_HASH_MAX_ZIPLIST_VALUE 64 -#define REDIS_LIST_MAX_ZIPLIST_ENTRIES 512 -#define REDIS_LIST_MAX_ZIPLIST_VALUE 64 -#define REDIS_SET_MAX_INTSET_ENTRIES 512 -#define REDIS_ZSET_MAX_ZIPLIST_ENTRIES 128 -#define REDIS_ZSET_MAX_ZIPLIST_VALUE 64 - -/* Sets operations codes */ -#define REDIS_OP_UNION 0 -#define REDIS_OP_DIFF 1 -#define REDIS_OP_INTER 2 - -/* Redis maxmemory strategies */ -#define REDIS_MAXMEMORY_VOLATILE_LRU 0 -#define REDIS_MAXMEMORY_VOLATILE_TTL 1 -#define REDIS_MAXMEMORY_VOLATILE_RANDOM 2 -#define REDIS_MAXMEMORY_ALLKEYS_LRU 3 -#define REDIS_MAXMEMORY_ALLKEYS_RANDOM 4 -#define REDIS_MAXMEMORY_NO_EVICTION 5 - -/* Scripting */ -#define REDIS_LUA_TIME_LIMIT 5000 /* milliseconds */ - -/* Units */ -#define UNIT_SECONDS 0 -#define UNIT_MILLISECONDS 1 - -/* SHUTDOWN flags */ -#define REDIS_SHUTDOWN_SAVE 1 /* Force SAVE on SHUTDOWN even if no save - points are configured. */ -#define REDIS_SHUTDOWN_NOSAVE 2 /* Don't SAVE on SHUTDOWN. */ - -/* Command call flags, see call() function */ -#define REDIS_CALL_NONE 0 -#define REDIS_CALL_SLOWLOG 1 -#define REDIS_CALL_STATS 2 -#define REDIS_CALL_PROPAGATE 4 -#define REDIS_CALL_FULL (REDIS_CALL_SLOWLOG | REDIS_CALL_STATS | REDIS_CALL_PROPAGATE) - -/* Command propagation flags, see propagate() function */ -#define REDIS_PROPAGATE_NONE 0 -#define REDIS_PROPAGATE_AOF 1 -#define REDIS_PROPAGATE_REPL 2 - -/* Using the following macro you can run code inside serverCron() with the - * specified period, specified in milliseconds. - * The actual resolution depends on REDIS_HZ. */ -#define run_with_period(_ms_) if (!(server.cronloops%((_ms_)/(1000/REDIS_HZ)))) - -/* We can print the stacktrace, so our assert is defined this way: */ -#define redisAssertWithInfo(_c,_o,_e) ((_e)?(void)0 : (_redisAssertWithInfo(_c,_o,#_e,__FILE__,__LINE__),_exit(1))) -#define redisAssert(_e) ((_e)?(void)0 : (_redisAssert(#_e,__FILE__,__LINE__),_exit(1))) -#define redisPanic(_e) _redisPanic(#_e,__FILE__,__LINE__),_exit(1) - -/*----------------------------------------------------------------------------- - * Data types - *----------------------------------------------------------------------------*/ - -/* A redis object, that is a type able to hold a string / list / set */ - -/* The actual Redis Object */ -#define REDIS_LRU_CLOCK_MAX ((1<<21)-1) /* Max value of obj->lru */ -#define REDIS_LRU_CLOCK_RESOLUTION 10 /* LRU clock resolution in seconds */ -typedef struct redisObject { - unsigned type:4; - unsigned notused:2; /* Not used */ - unsigned encoding:4; - unsigned lru:22; /* lru time (relative to server.lruclock) */ - int refcount; - void *ptr; -} robj; - -/* Macro used to initalize a Redis object allocated on the stack. - * Note that this macro is taken near the structure definition to make sure - * we'll update it when the structure is changed, to avoid bugs like - * bug #85 introduced exactly in this way. */ -#define initStaticStringObject(_var,_ptr) do { \ - _var.refcount = 1; \ - _var.type = REDIS_STRING; \ - _var.encoding = REDIS_ENCODING_RAW; \ - _var.ptr = _ptr; \ -} while(0); - -typedef struct redisDb { - dict *dict; /* The keyspace for this DB */ - dict *expires; /* Timeout of keys with a timeout set */ - dict *blocking_keys; /* Keys with clients waiting for data (BLPOP) */ - dict *ready_keys; /* Blocked keys that received a PUSH */ - dict *watched_keys; /* WATCHED keys for MULTI/EXEC CAS */ - int id; -} redisDb; - -/* Client MULTI/EXEC state */ -typedef struct multiCmd { - robj **argv; - int argc; - struct redisCommand *cmd; -} multiCmd; - -typedef struct multiState { - multiCmd *commands; /* Array of MULTI commands */ - int count; /* Total number of MULTI commands */ -} multiState; - -typedef struct blockingState { - dict *keys; /* The keys we are waiting to terminate a blocking - * operation such as BLPOP. Otherwise NULL. */ - time_t timeout; /* Blocking operation timeout. If UNIX current time - * is >= timeout then the operation timed out. */ - robj *target; /* The key that should receive the element, - * for BRPOPLPUSH. */ -} blockingState; - -/* The following structure represents a node in the server.ready_keys list, - * where we accumulate all the keys that had clients blocked with a blocking - * operation such as B[LR]POP, but received new data in the context of the - * last executed command. - * - * After the execution of every command or script, we run this list to check - * if as a result we should serve data to clients blocked, unblocking them. - * Note that server.ready_keys will not have duplicates as there dictionary - * also called ready_keys in every structure representing a Redis database, - * where we make sure to remember if a given key was already added in the - * server.ready_keys list. */ -typedef struct readyList { - redisDb *db; - robj *key; -} readyList; - -/* With multiplexing we need to take per-clinet state. - * Clients are taken in a liked list. */ -typedef struct redisClient { - int fd; - redisDb *db; - int dictid; - sds querybuf; - size_t querybuf_peak; /* Recent (100ms or more) peak of querybuf size */ - int argc; - robj **argv; - struct redisCommand *cmd, *lastcmd; - int reqtype; - int multibulklen; /* number of multi bulk arguments left to read */ - long bulklen; /* length of bulk argument in multi bulk request */ - list *reply; - unsigned long reply_bytes; /* Tot bytes of objects in reply list */ - int sentlen; - time_t ctime; /* Client creation time */ - time_t lastinteraction; /* time of the last interaction, used for timeout */ - time_t obuf_soft_limit_reached_time; - int flags; /* REDIS_SLAVE | REDIS_MONITOR | REDIS_MULTI ... */ - int slaveseldb; /* slave selected db, if this client is a slave */ - int authenticated; /* when requirepass is non-NULL */ - int replstate; /* replication state if this is a slave */ - int repldbfd; /* replication DB file descriptor */ - long repldboff; /* replication DB file offset */ - off_t repldbsize; /* replication DB file size */ - int slave_listening_port; /* As configured with: SLAVECONF listening-port */ - multiState mstate; /* MULTI/EXEC state */ - blockingState bpop; /* blocking state */ - list *io_keys; /* Keys this client is waiting to be loaded from the - * swap file in order to continue. */ - list *watched_keys; /* Keys WATCHED for MULTI/EXEC CAS */ - dict *pubsub_channels; /* channels a client is interested in (SUBSCRIBE) */ - list *pubsub_patterns; /* patterns a client is interested in (SUBSCRIBE) */ - - /* Response buffer */ - int bufpos; - char buf[REDIS_REPLY_CHUNK_BYTES]; -} redisClient; - -struct saveparam { - time_t seconds; - int changes; -}; - -struct sharedObjectsStruct { - robj *crlf, *ok, *err, *emptybulk, *czero, *cone, *cnegone, *pong, *space, - *colon, *nullbulk, *nullmultibulk, *queued, - *emptymultibulk, *wrongtypeerr, *nokeyerr, *syntaxerr, *sameobjecterr, - *outofrangeerr, *noscripterr, *loadingerr, *slowscripterr, *bgsaveerr, - *masterdownerr, *roslaveerr, *execaborterr, - *oomerr, *plus, *messagebulk, *pmessagebulk, *subscribebulk, - *unsubscribebulk, *psubscribebulk, *punsubscribebulk, *del, *rpop, *lpop, - *lpush, - *select[REDIS_SHARED_SELECT_CMDS], - *integers[REDIS_SHARED_INTEGERS], - *mbulkhdr[REDIS_SHARED_BULKHDR_LEN], /* "*\r\n" */ - *bulkhdr[REDIS_SHARED_BULKHDR_LEN]; /* "$\r\n" */ -}; - -/* ZSETs use a specialized version of Skiplists */ -typedef struct zskiplistNode { - robj *obj; - double score; - struct zskiplistNode *backward; - struct zskiplistLevel { - struct zskiplistNode *forward; - unsigned int span; - } level[]; -} zskiplistNode; - -typedef struct zskiplist { - struct zskiplistNode *header, *tail; - unsigned long length; - int level; -} zskiplist; - -typedef struct zset { - dict *dict; - zskiplist *zsl; -} zset; - -typedef struct clientBufferLimitsConfig { - unsigned long long hard_limit_bytes; - unsigned long long soft_limit_bytes; - time_t soft_limit_seconds; -} clientBufferLimitsConfig; - -/* The redisOp structure defines a Redis Operation, that is an instance of - * a command with an argument vector, database ID, propagation target - * (REDIS_PROPAGATE_*), and command pointer. - * - * Currently only used to additionally propagate more commands to AOF/Replication - * after the propagation of the executed command. */ -typedef struct redisOp { - robj **argv; - int argc, dbid, target; - struct redisCommand *cmd; -} redisOp; - -/* Defines an array of Redis operations. There is an API to add to this - * structure in a easy way. - * - * redisOpArrayInit(); - * redisOpArrayAppend(); - * redisOpArrayFree(); - */ -typedef struct redisOpArray { - redisOp *ops; - int numops; -} redisOpArray; - -/*----------------------------------------------------------------------------- - * Global server state - *----------------------------------------------------------------------------*/ - -struct redisServer { - leveldb_t *ds_db; - leveldb_comparator_t *ds_cmp; - leveldb_cache_t *ds_cache; - leveldb_options_t *ds_options; - leveldb_filterpolicy_t *policy; - - uint16_t ds_lru_cache; - uint16_t ds_create_if_missing; - uint16_t ds_error_if_exists; - uint16_t ds_paranoid_checks; - uint32_t ds_block_cache_size; - uint32_t ds_write_buffer_size; - uint32_t ds_block_size; - uint16_t ds_max_open_files; - uint16_t ds_block_restart_interval; - char *ds_path; - - /* General */ - redisDb *db; - dict *commands; /* Command table hash table */ - aeEventLoop *el; - unsigned lruclock:22; /* Clock incrementing every minute, for LRU */ - unsigned lruclock_padding:10; - int shutdown_asap; /* SHUTDOWN needed ASAP */ - int activerehashing; /* Incremental rehash in serverCron() */ - char *requirepass; /* Pass for AUTH command, or NULL */ - char *pidfile; /* PID file path */ - int arch_bits; /* 32 or 64 depending on sizeof(long) */ - int cronloops; /* Number of times the cron function run */ - char runid[REDIS_RUN_ID_SIZE+1]; /* ID always different at every exec. */ - int sentinel_mode; /* True if this instance is a Sentinel. */ - /* Networking */ - int port; /* TCP listening port */ - char *bindaddr; /* Bind address or NULL */ - char *unixsocket; /* UNIX socket path */ - mode_t unixsocketperm; /* UNIX socket permission */ - int ipfd; /* TCP socket file descriptor */ - int sofd; /* Unix socket file descriptor */ - list *clients; /* List of active clients */ - list *clients_to_close; /* Clients to close asynchronously */ - list *slaves, *monitors; /* List of slaves and MONITORs */ - redisClient *current_client; /* Current client, only used on crash report */ - char neterr[ANET_ERR_LEN]; /* Error buffer for anet.c */ - /* RDB / AOF loading information */ - int loading; /* We are loading data from disk if true */ - off_t loading_total_bytes; - off_t loading_loaded_bytes; - time_t loading_start_time; - /* Fast pointers to often looked up command */ - struct redisCommand *delCommand, *multiCommand, *lpushCommand, *lpopCommand, - *rpopCommand; - /* Fields used only for stats */ - time_t stat_starttime; /* Server start time */ - long long stat_numcommands; /* Number of processed commands */ - long long stat_numconnections; /* Number of connections received */ - long long stat_expiredkeys; /* Number of expired keys */ - long long stat_evictedkeys; /* Number of evicted keys (maxmemory) */ - long long stat_keyspace_hits; /* Number of successful lookups of keys */ - long long stat_keyspace_misses; /* Number of failed lookups of keys */ - size_t stat_peak_memory; /* Max used memory record */ - long long stat_fork_time; /* Time needed to perform latets fork() */ - long long stat_rejected_conn; /* Clients rejected because of maxclients */ - list *slowlog; /* SLOWLOG list of commands */ - long long slowlog_entry_id; /* SLOWLOG current entry ID */ - long long slowlog_log_slower_than; /* SLOWLOG time limit (to get logged) */ - unsigned long slowlog_max_len; /* SLOWLOG max number of items logged */ - /* The following two are used to track instantaneous "load" in terms - * of operations per second. */ - long long ops_sec_last_sample_time; /* Timestamp of last sample (in ms) */ - long long ops_sec_last_sample_ops; /* numcommands in last sample */ - long long ops_sec_samples[REDIS_OPS_SEC_SAMPLES]; - int ops_sec_idx; - /* Configuration */ - int verbosity; /* Loglevel in redis.conf */ - int maxidletime; /* Client timeout in seconds */ - size_t client_max_querybuf_len; /* Limit for client query buffer length */ - int dbnum; /* Total number of configured DBs */ - int daemonize; /* True if running as a daemon */ - clientBufferLimitsConfig client_obuf_limits[REDIS_CLIENT_LIMIT_NUM_CLASSES]; - /* AOF persistence */ - int aof_state; /* REDIS_AOF_(ON|OFF|WAIT_REWRITE) */ - int aof_fsync; /* Kind of fsync() policy */ - char *aof_filename; /* Name of the AOF file */ - int aof_no_fsync_on_rewrite; /* Don't fsync if a rewrite is in prog. */ - int aof_rewrite_perc; /* Rewrite AOF if % growth is > M and... */ - off_t aof_rewrite_min_size; /* the AOF file is at least N bytes. */ - off_t aof_rewrite_base_size; /* AOF size on latest startup or rewrite. */ - off_t aof_current_size; /* AOF current size. */ - int aof_rewrite_scheduled; /* Rewrite once BGSAVE terminates. */ - pid_t aof_child_pid; /* PID if rewriting process */ - list *aof_rewrite_buf_blocks; /* Hold changes during an AOF rewrite. */ - sds aof_buf; /* AOF buffer, written before entering the event loop */ - int aof_fd; /* File descriptor of currently selected AOF file */ - int aof_selected_db; /* Currently selected DB in AOF */ - time_t aof_flush_postponed_start; /* UNIX time of postponed AOF flush */ - time_t aof_last_fsync; /* UNIX time of last fsync() */ - time_t aof_rewrite_time_last; /* Time used by last AOF rewrite run. */ - time_t aof_rewrite_time_start; /* Current AOF rewrite start time. */ - int aof_lastbgrewrite_status; /* REDIS_OK or REDIS_ERR */ - unsigned long aof_delayed_fsync; /* delayed AOF fsync() counter */ - /* RDB persistence */ - long long dirty; /* Changes to DB from the last save */ - long long dirty_before_bgsave; /* Used to restore dirty on failed BGSAVE */ - pid_t rdb_child_pid; /* PID of RDB saving child */ - struct saveparam *saveparams; /* Save points array for RDB */ - int saveparamslen; /* Number of saving points */ - char *rdb_filename; /* Name of RDB file */ - int rdb_compression; /* Use compression in RDB? */ - int rdb_checksum; /* Use RDB checksum? */ - time_t lastsave; /* Unix time of last save succeeede */ - time_t rdb_save_time_last; /* Time used by last RDB save run. */ - time_t rdb_save_time_start; /* Current RDB save start time. */ - int lastbgsave_status; /* REDIS_OK or REDIS_ERR */ - int stop_writes_on_bgsave_err; /* Don't allow writes if can't BGSAVE */ - /* Propagation of commands in AOF / replication */ - redisOpArray also_propagate; /* Additional command to propagate. */ - /* Logging */ - char *logfile; /* Path of log file */ - int syslog_enabled; /* Is syslog enabled? */ - char *syslog_ident; /* Syslog ident */ - int syslog_facility; /* Syslog facility */ - /* Slave specific fields */ - char *masterauth; /* AUTH with this password with master */ - char *masterhost; /* Hostname of master */ - int masterport; /* Port of master */ - int repl_ping_slave_period; /* Master pings the slave every N seconds */ - int repl_timeout; /* Timeout after N seconds of master idle */ - redisClient *master; /* Client that is master for this slave */ - int repl_syncio_timeout; /* Timeout for synchronous I/O calls */ - int repl_state; /* Replication status if the instance is a slave */ - off_t repl_transfer_size; /* Size of RDB to read from master during sync. */ - off_t repl_transfer_read; /* Amount of RDB read from master during sync. */ - off_t repl_transfer_last_fsync_off; /* Offset when we fsync-ed last time. */ - int repl_transfer_s; /* Slave -> Master SYNC socket */ - int repl_transfer_fd; /* Slave -> Master SYNC temp file descriptor */ - char *repl_transfer_tmpfile; /* Slave-> master SYNC temp file name */ - time_t repl_transfer_lastio; /* Unix time of the latest read, for timeout */ - int repl_serve_stale_data; /* Serve stale data when link is down? */ - int repl_slave_ro; /* Slave is read only? */ - time_t repl_down_since; /* Unix time at which link with master went down */ - int slave_priority; /* Reported in INFO and used by Sentinel. */ - /* Limits */ - unsigned int maxclients; /* Max number of simultaneous clients */ - unsigned long long maxmemory; /* Max number of memory bytes to use */ - int maxmemory_policy; /* Policy for key evition */ - int maxmemory_samples; /* Pricision of random sampling */ - /* Blocked clients */ - unsigned int bpop_blocked_clients; /* Number of clients blocked by lists */ - list *unblocked_clients; /* list of clients to unblock before next loop */ - list *ready_keys; /* List of readyList structures for BLPOP & co */ - /* Sort parameters - qsort_r() is only available under BSD so we - * have to take this state global, in order to pass it to sortCompare() */ - int sort_desc; - int sort_alpha; - int sort_bypattern; - /* Zip structure config, see redis.conf for more information */ - size_t hash_max_ziplist_entries; - size_t hash_max_ziplist_value; - size_t list_max_ziplist_entries; - size_t list_max_ziplist_value; - size_t set_max_intset_entries; - size_t zset_max_ziplist_entries; - size_t zset_max_ziplist_value; - time_t unixtime; /* Unix time sampled every second. */ - /* Pubsub */ - dict *pubsub_channels; /* Map channels to list of subscribed clients */ - list *pubsub_patterns; /* A list of pubsub_patterns */ - /* Scripting */ - lua_State *lua; /* The Lua interpreter. We use just one for all clients */ - redisClient *lua_client; /* The "fake client" to query Redis from Lua */ - redisClient *lua_caller; /* The client running EVAL right now, or NULL */ - dict *lua_scripts; /* A dictionary of SHA1 -> Lua scripts */ - long long lua_time_limit; /* Script timeout in seconds */ - long long lua_time_start; /* Start time of script */ - int lua_write_dirty; /* True if a write command was called during the - execution of the current script. */ - int lua_random_dirty; /* True if a random command was called during the - execution of the current script. */ - int lua_timedout; /* True if we reached the time limit for script - execution. */ - int lua_kill; /* Kill the script if true. */ - /* Assert & bug reportign */ - char *assert_failed; - char *assert_file; - int assert_line; - int bug_report_start; /* True if bug report header was already logged. */ - int watchdog_period; /* Software watchdog period in ms. 0 = off */ -}; - -typedef struct pubsubPattern { - redisClient *client; - robj *pattern; -} pubsubPattern; - -typedef void redisCommandProc(redisClient *c); -typedef int *redisGetKeysProc(struct redisCommand *cmd, robj **argv, int argc, int *numkeys, int flags); -struct redisCommand { - char *name; - redisCommandProc *proc; - int arity; - char *sflags; /* Flags as string represenation, one char per flag. */ - int flags; /* The actual flags, obtained from the 'sflags' field. */ - /* Use a function to determine keys arguments in a command line. */ - redisGetKeysProc *getkeys_proc; - /* What keys should be loaded in background when calling this command? */ - int firstkey; /* The first argument that's a key (0 = no keys) */ - int lastkey; /* THe last argument that's a key */ - int keystep; /* The step between first and last key */ - long long microseconds, calls; -}; - -struct redisFunctionSym { - char *name; - unsigned long pointer; -}; - -typedef struct _redisSortObject { - robj *obj; - union { - double score; - robj *cmpobj; - } u; -} redisSortObject; - -typedef struct _redisSortOperation { - int type; - robj *pattern; -} redisSortOperation; - -/* Structure to hold list iteration abstraction. */ -typedef struct { - robj *subject; - unsigned char encoding; - unsigned char direction; /* Iteration direction */ - unsigned char *zi; - listNode *ln; -} listTypeIterator; - -/* Structure for an entry while iterating over a list. */ -typedef struct { - listTypeIterator *li; - unsigned char *zi; /* Entry in ziplist */ - listNode *ln; /* Entry in linked list */ -} listTypeEntry; - -/* Structure to hold set iteration abstraction. */ -typedef struct { - robj *subject; - int encoding; - int ii; /* intset iterator */ - dictIterator *di; -} setTypeIterator; - -/* Structure to hold hash iteration abstration. Note that iteration over - * hashes involves both fields and values. Because it is possible that - * not both are required, store pointers in the iterator to avoid - * unnecessary memory allocation for fields/values. */ -typedef struct { - robj *subject; - int encoding; - - unsigned char *fptr, *vptr; - - dictIterator *di; - dictEntry *de; -} hashTypeIterator; - -#define REDIS_HASH_KEY 1 -#define REDIS_HASH_VALUE 2 - -/*----------------------------------------------------------------------------- - * Extern declarations - *----------------------------------------------------------------------------*/ - -extern struct redisServer server; -extern struct sharedObjectsStruct shared; -extern dictType setDictType; -extern dictType zsetDictType; -extern dictType dbDictType; -extern dictType shaScriptObjectDictType; -extern double R_Zero, R_PosInf, R_NegInf, R_Nan; -extern dictType hashDictType; - -/*----------------------------------------------------------------------------- - * Functions prototypes - *----------------------------------------------------------------------------*/ - -/* Utils */ -long long ustime(void); -long long mstime(void); -void getRandomHexChars(char *p, unsigned int len); -uint64_t crc64(uint64_t crc, const unsigned char *s, uint64_t l); -void exitFromChild(int retcode); - -/* networking.c -- Networking and Client related operations */ -redisClient *createClient(int fd); -void closeTimedoutClients(void); -void freeClient(redisClient *c); -void resetClient(redisClient *c); -void sendReplyToClient(aeEventLoop *el, int fd, void *privdata, int mask); -void addReply(redisClient *c, robj *obj); -void *addDeferredMultiBulkLength(redisClient *c); -void setDeferredMultiBulkLength(redisClient *c, void *node, long length); -void addReplySds(redisClient *c, sds s); -void processInputBuffer(redisClient *c); -void acceptTcpHandler(aeEventLoop *el, int fd, void *privdata, int mask); -void acceptUnixHandler(aeEventLoop *el, int fd, void *privdata, int mask); -void readQueryFromClient(aeEventLoop *el, int fd, void *privdata, int mask); -void addReplyBulk(redisClient *c, robj *obj); -void addReplyBulkCString(redisClient *c, char *s); -void addReplyBulkCBuffer(redisClient *c, void *p, size_t len); -void addReplyBulkLongLong(redisClient *c, long long ll); -void acceptHandler(aeEventLoop *el, int fd, void *privdata, int mask); -void addReply(redisClient *c, robj *obj); -void addReplySds(redisClient *c, sds s); -void addReplyError(redisClient *c, char *err); -void addReplyStatus(redisClient *c, char *status); -void addReplyDouble(redisClient *c, double d); -void addReplyLongLong(redisClient *c, long long ll); -void addReplyMultiBulkLen(redisClient *c, long length); -void copyClientOutputBuffer(redisClient *dst, redisClient *src); -void *dupClientReplyValue(void *o); -void getClientsMaxBuffers(unsigned long *longest_output_list, - unsigned long *biggest_input_buffer); -sds getClientInfoString(redisClient *client); -sds getAllClientsInfoString(void); -void rewriteClientCommandVector(redisClient *c, int argc, ...); -void rewriteClientCommandArgument(redisClient *c, int i, robj *newval); -unsigned long getClientOutputBufferMemoryUsage(redisClient *c); -void freeClientsInAsyncFreeQueue(void); -void asyncCloseClientOnOutputBufferLimitReached(redisClient *c); -int getClientLimitClassByName(char *name); -char *getClientLimitClassName(int class); -void flushSlavesOutputBuffers(void); -void disconnectSlaves(void); - -#ifdef __GNUC__ -void addReplyErrorFormat(redisClient *c, const char *fmt, ...) - __attribute__((format(printf, 2, 3))); -void addReplyStatusFormat(redisClient *c, const char *fmt, ...) - __attribute__((format(printf, 2, 3))); -#else -void addReplyErrorFormat(redisClient *c, const char *fmt, ...); -void addReplyStatusFormat(redisClient *c, const char *fmt, ...); -#endif - -/* List data type */ -void listTypeTryConversion(robj *subject, robj *value); -void listTypePush(robj *subject, robj *value, int where); -robj *listTypePop(robj *subject, int where); -unsigned long listTypeLength(robj *subject); -listTypeIterator *listTypeInitIterator(robj *subject, long index, unsigned char direction); -void listTypeReleaseIterator(listTypeIterator *li); -int listTypeNext(listTypeIterator *li, listTypeEntry *entry); -robj *listTypeGet(listTypeEntry *entry); -void listTypeInsert(listTypeEntry *entry, robj *value, int where); -int listTypeEqual(listTypeEntry *entry, robj *o); -void listTypeDelete(listTypeEntry *entry); -void listTypeConvert(robj *subject, int enc); -void unblockClientWaitingData(redisClient *c); -void handleClientsBlockedOnLists(void); -void popGenericCommand(redisClient *c, int where); - -/* MULTI/EXEC/WATCH... */ -void unwatchAllKeys(redisClient *c); -void initClientMultiState(redisClient *c); -void freeClientMultiState(redisClient *c); -void queueMultiCommand(redisClient *c); -void touchWatchedKey(redisDb *db, robj *key); -void touchWatchedKeysOnFlush(int dbid); -void discardTransaction(redisClient *c); -void flagTransaction(redisClient *c); - -/* Redis object implementation */ -void decrRefCount(void *o); -void incrRefCount(robj *o); -robj *resetRefCount(robj *obj); -void freeStringObject(robj *o); -void freeListObject(robj *o); -void freeSetObject(robj *o); -void freeZsetObject(robj *o); -void freeHashObject(robj *o); -robj *createObject(int type, void *ptr); -robj *createStringObject(char *ptr, size_t len); -robj *dupStringObject(robj *o); -int isObjectRepresentableAsLongLong(robj *o, long long *llongval); -robj *tryObjectEncoding(robj *o); -robj *getDecodedObject(robj *o); -size_t stringObjectLen(robj *o); -robj *createStringObjectFromLongLong(long long value); -robj *createStringObjectFromLongDouble(long double value); -robj *createListObject(void); -robj *createZiplistObject(void); -robj *createSetObject(void); -robj *createIntsetObject(void); -robj *createHashObject(void); -robj *createZsetObject(void); -robj *createZsetZiplistObject(void); -int getLongFromObjectOrReply(redisClient *c, robj *o, long *target, const char *msg); -int checkType(redisClient *c, robj *o, int type); -int getLongLongFromObjectOrReply(redisClient *c, robj *o, long long *target, const char *msg); -int getDoubleFromObjectOrReply(redisClient *c, robj *o, double *target, const char *msg); -int getLongLongFromObject(robj *o, long long *target); -int getLongDoubleFromObject(robj *o, long double *target); -int getLongDoubleFromObjectOrReply(redisClient *c, robj *o, long double *target, const char *msg); -char *strEncoding(int encoding); -int compareStringObjects(robj *a, robj *b); -int equalStringObjects(robj *a, robj *b); -unsigned long estimateObjectIdleTime(robj *o); - -/* Synchronous I/O with timeout */ -ssize_t syncWrite(int fd, char *ptr, ssize_t size, long long timeout); -ssize_t syncRead(int fd, char *ptr, ssize_t size, long long timeout); -ssize_t syncReadLine(int fd, char *ptr, ssize_t size, long long timeout); - -/* Replication */ -void replicationFeedSlaves(list *slaves, int dictid, robj **argv, int argc); -void replicationFeedMonitors(redisClient *c, list *monitors, int dictid, robj **argv, int argc); -void updateSlavesWaitingBgsave(int bgsaveerr); -void replicationCron(void); - -/* Generic persistence functions */ -void startLoading(FILE *fp); -void loadingProgress(off_t pos); -void stopLoading(void); - -/* RDB persistence */ -#include "rdb.h" - -/* AOF persistence */ -void flushAppendOnlyFile(int force); -void feedAppendOnlyFile(struct redisCommand *cmd, int dictid, robj **argv, int argc); -void aofRemoveTempFile(pid_t childpid); -int rewriteAppendOnlyFileBackground(void); -int loadAppendOnlyFile(char *filename); -void stopAppendOnly(void); -int startAppendOnly(void); -void backgroundRewriteDoneHandler(int exitcode, int bysignal); -void aofRewriteBufferReset(void); -unsigned long aofRewriteBufferSize(void); - -/* Sorted sets data type */ - -/* Struct to hold a inclusive/exclusive range spec. */ -typedef struct { - double min, max; - int minex, maxex; /* are min or max exclusive? */ -} zrangespec; - -zskiplist *zslCreate(void); -void zslFree(zskiplist *zsl); -zskiplistNode *zslInsert(zskiplist *zsl, double score, robj *obj); -unsigned char *zzlInsert(unsigned char *zl, robj *ele, double score); -int zslDelete(zskiplist *zsl, double score, robj *obj); -zskiplistNode *zslFirstInRange(zskiplist *zsl, zrangespec range); -double zzlGetScore(unsigned char *sptr); -void zzlNext(unsigned char *zl, unsigned char **eptr, unsigned char **sptr); -void zzlPrev(unsigned char *zl, unsigned char **eptr, unsigned char **sptr); -unsigned int zsetLength(robj *zobj); -void zsetConvert(robj *zobj, int encoding); - -/* Core functions */ -int freeMemoryIfNeeded(void); -int processCommand(redisClient *c); -void setupSignalHandlers(void); -struct redisCommand *lookupCommand(sds name); -struct redisCommand *lookupCommandByCString(char *s); -void call(redisClient *c, int flags); -void propagate(struct redisCommand *cmd, int dbid, robj **argv, int argc, int flags); -void alsoPropagate(struct redisCommand *cmd, int dbid, robj **argv, int argc, int target); -int prepareForShutdown(); -void redisLog(int level, const char *fmt, ...); -void redisLogRaw(int level, const char *msg); -void redisLogFromHandler(int level, const char *msg); -void usage(); -void updateDictResizePolicy(void); -int htNeedsResize(dict *dict); -void oom(const char *msg); -void populateCommandTable(void); -void resetCommandTableStats(void); - -/* Set data type */ -robj *setTypeCreate(robj *value); -int setTypeAdd(robj *subject, robj *value); -int setTypeRemove(robj *subject, robj *value); -int setTypeIsMember(robj *subject, robj *value); -setTypeIterator *setTypeInitIterator(robj *subject); -void setTypeReleaseIterator(setTypeIterator *si); -int setTypeNext(setTypeIterator *si, robj **objele, int64_t *llele); -robj *setTypeNextObject(setTypeIterator *si); -int setTypeRandomElement(robj *setobj, robj **objele, int64_t *llele); -unsigned long setTypeSize(robj *subject); -void setTypeConvert(robj *subject, int enc); - -/* Hash data type */ -void hashTypeConvert(robj *o, int enc); -void hashTypeTryConversion(robj *subject, robj **argv, int start, int end); -void hashTypeTryObjectEncoding(robj *subject, robj **o1, robj **o2); -robj *hashTypeGetObject(robj *o, robj *key); -int hashTypeExists(robj *o, robj *key); -int hashTypeSet(robj *o, robj *key, robj *value); -int hashTypeDelete(robj *o, robj *key); -unsigned long hashTypeLength(robj *o); -hashTypeIterator *hashTypeInitIterator(robj *subject); -void hashTypeReleaseIterator(hashTypeIterator *hi); -int hashTypeNext(hashTypeIterator *hi); -void hashTypeCurrentFromZiplist(hashTypeIterator *hi, int what, - unsigned char **vstr, - unsigned int *vlen, - long long *vll); -void hashTypeCurrentFromHashTable(hashTypeIterator *hi, int what, robj **dst); -robj *hashTypeCurrentObject(hashTypeIterator *hi, int what); -robj *hashTypeLookupWriteOrCreate(redisClient *c, robj *key); - -/* Pub / Sub */ -int pubsubUnsubscribeAllChannels(redisClient *c, int notify); -int pubsubUnsubscribeAllPatterns(redisClient *c, int notify); -void freePubsubPattern(void *p); -int listMatchPubsubPattern(void *a, void *b); -int pubsubPublishMessage(robj *channel, robj *message); - -/* Configuration */ -void loadServerConfig(char *filename, char *options); -void appendServerSaveParams(time_t seconds, int changes); -void resetServerSaveParams(); - -/* db.c -- Keyspace access API */ -int removeExpire(redisDb *db, robj *key); -void propagateExpire(redisDb *db, robj *key); -int expireIfNeeded(redisDb *db, robj *key); -long long getExpire(redisDb *db, robj *key); -void setExpire(redisDb *db, robj *key, long long when); -robj *lookupKey(redisDb *db, robj *key); -robj *lookupKeyRead(redisDb *db, robj *key); -robj *lookupKeyWrite(redisDb *db, robj *key); -robj *lookupKeyReadOrReply(redisClient *c, robj *key, robj *reply); -robj *lookupKeyWriteOrReply(redisClient *c, robj *key, robj *reply); -void dbAdd(redisDb *db, robj *key, robj *val); -void dbOverwrite(redisDb *db, robj *key, robj *val); -void setKey(redisDb *db, robj *key, robj *val); -int dbExists(redisDb *db, robj *key); -robj *dbRandomKey(redisDb *db); -int dbDelete(redisDb *db, robj *key); -long long emptyDb(); -int selectDb(redisClient *c, int id); -void signalModifiedKey(redisDb *db, robj *key); -void signalFlushedDb(int dbid); -unsigned int GetKeysInSlot(unsigned int hashslot, robj **keys, unsigned int count); - -/* API to get key arguments from commands */ -#define REDIS_GETKEYS_ALL 0 -#define REDIS_GETKEYS_PRELOAD 1 -int *getKeysFromCommand(struct redisCommand *cmd, robj **argv, int argc, int *numkeys, int flags); -void getKeysFreeResult(int *result); -int *noPreloadGetKeys(struct redisCommand *cmd,robj **argv, int argc, int *numkeys, int flags); -int *renameGetKeys(struct redisCommand *cmd,robj **argv, int argc, int *numkeys, int flags); -int *zunionInterGetKeys(struct redisCommand *cmd,robj **argv, int argc, int *numkeys, int flags); - -/* Sentinel */ -void initSentinelConfig(void); -void initSentinel(void); -void sentinelTimer(void); -char *sentinelHandleConfiguration(char **argv, int argc); - -/* Scripting */ -void scriptingInit(void); - -/* Git SHA1 */ -char *redisGitSHA1(void); -char *redisGitDirty(void); - -/* Commands prototypes */ -void authCommand(redisClient *c); -void pingCommand(redisClient *c); -void echoCommand(redisClient *c); -void setCommand(redisClient *c); -void setnxCommand(redisClient *c); -void setexCommand(redisClient *c); -void psetexCommand(redisClient *c); -void getCommand(redisClient *c); -void delCommand(redisClient *c); -void existsCommand(redisClient *c); -void setbitCommand(redisClient *c); -void getbitCommand(redisClient *c); -void setrangeCommand(redisClient *c); -void getrangeCommand(redisClient *c); -void incrCommand(redisClient *c); -void decrCommand(redisClient *c); -void incrbyCommand(redisClient *c); -void decrbyCommand(redisClient *c); -void incrbyfloatCommand(redisClient *c); -void selectCommand(redisClient *c); -void randomkeyCommand(redisClient *c); -void keysCommand(redisClient *c); -void dbsizeCommand(redisClient *c); -void lastsaveCommand(redisClient *c); -void saveCommand(redisClient *c); -void bgsaveCommand(redisClient *c); -void bgrewriteaofCommand(redisClient *c); -void shutdownCommand(redisClient *c); -void moveCommand(redisClient *c); -void renameCommand(redisClient *c); -void renamenxCommand(redisClient *c); -void lpushCommand(redisClient *c); -void rpushCommand(redisClient *c); -void lpushxCommand(redisClient *c); -void rpushxCommand(redisClient *c); -void linsertCommand(redisClient *c); -void lpopCommand(redisClient *c); -void rpopCommand(redisClient *c); -void llenCommand(redisClient *c); -void lindexCommand(redisClient *c); -void lrangeCommand(redisClient *c); -void ltrimCommand(redisClient *c); -void typeCommand(redisClient *c); -void lsetCommand(redisClient *c); -void saddCommand(redisClient *c); -void sremCommand(redisClient *c); -void smoveCommand(redisClient *c); -void sismemberCommand(redisClient *c); -void scardCommand(redisClient *c); -void spopCommand(redisClient *c); -void srandmemberCommand(redisClient *c); -void sinterCommand(redisClient *c); -void sinterstoreCommand(redisClient *c); -void sunionCommand(redisClient *c); -void sunionstoreCommand(redisClient *c); -void sdiffCommand(redisClient *c); -void sdiffstoreCommand(redisClient *c); -void syncCommand(redisClient *c); -void flushdbCommand(redisClient *c); -void flushallCommand(redisClient *c); -void sortCommand(redisClient *c); -void lremCommand(redisClient *c); -void rpoplpushCommand(redisClient *c); -void infoCommand(redisClient *c); -void mgetCommand(redisClient *c); -void monitorCommand(redisClient *c); -void expireCommand(redisClient *c); -void expireatCommand(redisClient *c); -void pexpireCommand(redisClient *c); -void pexpireatCommand(redisClient *c); -void getsetCommand(redisClient *c); -void ttlCommand(redisClient *c); -void pttlCommand(redisClient *c); -void persistCommand(redisClient *c); -void slaveofCommand(redisClient *c); -void debugCommand(redisClient *c); -void msetCommand(redisClient *c); -void msetnxCommand(redisClient *c); -void zaddCommand(redisClient *c); -void zincrbyCommand(redisClient *c); -void zrangeCommand(redisClient *c); -void zrangebyscoreCommand(redisClient *c); -void zrevrangebyscoreCommand(redisClient *c); -void zcountCommand(redisClient *c); -void zrevrangeCommand(redisClient *c); -void zcardCommand(redisClient *c); -void zremCommand(redisClient *c); -void zscoreCommand(redisClient *c); -void zremrangebyscoreCommand(redisClient *c); -void multiCommand(redisClient *c); -void execCommand(redisClient *c); -void discardCommand(redisClient *c); -void blpopCommand(redisClient *c); -void brpopCommand(redisClient *c); -void brpoplpushCommand(redisClient *c); -void appendCommand(redisClient *c); -void strlenCommand(redisClient *c); -void zrankCommand(redisClient *c); -void zrevrankCommand(redisClient *c); -void hsetCommand(redisClient *c); -void hsetnxCommand(redisClient *c); -void hgetCommand(redisClient *c); -void hmsetCommand(redisClient *c); -void hmgetCommand(redisClient *c); -void hdelCommand(redisClient *c); -void hlenCommand(redisClient *c); -void zremrangebyrankCommand(redisClient *c); -void zunionstoreCommand(redisClient *c); -void zinterstoreCommand(redisClient *c); -void hkeysCommand(redisClient *c); -void hvalsCommand(redisClient *c); -void hgetallCommand(redisClient *c); -void hexistsCommand(redisClient *c); -void configCommand(redisClient *c); -void hincrbyCommand(redisClient *c); -void hincrbyfloatCommand(redisClient *c); -void subscribeCommand(redisClient *c); -void unsubscribeCommand(redisClient *c); -void psubscribeCommand(redisClient *c); -void punsubscribeCommand(redisClient *c); -void publishCommand(redisClient *c); -void watchCommand(redisClient *c); -void unwatchCommand(redisClient *c); -void restoreCommand(redisClient *c); -void migrateCommand(redisClient *c); -void dumpCommand(redisClient *c); -void objectCommand(redisClient *c); -void clientCommand(redisClient *c); -void evalCommand(redisClient *c); -void evalShaCommand(redisClient *c); -void scriptCommand(redisClient *c); -void timeCommand(redisClient *c); -void bitopCommand(redisClient *c); -void bitcountCommand(redisClient *c); -void replconfCommand(redisClient *c); - -#if defined(__GNUC__) -void *calloc(size_t count, size_t size) __attribute__ ((deprecated)); -void free(void *ptr) __attribute__ ((deprecated)); -void *malloc(size_t size) __attribute__ ((deprecated)); -void *realloc(void *ptr, size_t size) __attribute__ ((deprecated)); -#endif - -/* Debugging stuff */ -void _redisAssertWithInfo(redisClient *c, robj *o, char *estr, char *file, int line); -void _redisAssert(char *estr, char *file, int line); -void _redisPanic(char *msg, char *file, int line); -void bugReportStart(void); -void redisLogObjectDebugInfo(robj *o); -void sigsegvHandler(int sig, siginfo_t *info, void *secret); -sds genRedisInfoString(char *section); -void enableWatchdog(int period); -void disableWatchdog(void); -void watchdogScheduleSignal(int period); -void redisLogHexDump(int level, char *descr, void *value, size_t len); - -void ds_init(); -void ds_close(); -void ds_get(redisClient *c); -void ds_set(redisClient *c); -void ds_mset(redisClient *c); -void ds_mget(redisClient *c); - -void ds_append(redisClient *c); -void ds_incrby(redisClient *c); - -void ds_hdel(redisClient *c); -void ds_hget(redisClient *c); -void ds_hset(redisClient *c); -void ds_hmget(redisClient *c); -void ds_hmset(redisClient *c); -void ds_hincrby(redisClient *c); -void ds_hgetall(redisClient *c); - -void ds_delete(redisClient *c); -void rl_delete(redisClient *c); -void rl_get(redisClient *c); -void rl_set(redisClient *c); - - -#define redisDebug(fmt, ...) \ - printf("DEBUG %s:%d > " fmt "\n", __FILE__, __LINE__, __VA_ARGS__) -#define redisDebugMark() \ - printf("-- MARK %s:%d --\n", __FILE__, __LINE__) - -#endif +/* + * Copyright (c) 2009-2012, Salvatore Sanfilippo + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of Redis nor the names of its contributors may be used + * to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef __REDIS_H +#define __REDIS_H + +#include "fmacros.h" +#include "config.h" + +#if defined(__sun) +#include "solarisfixes.h" +#endif + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "ae.h" /* Event driven programming library */ +#include "sds.h" /* Dynamic safe strings */ +#include "dict.h" /* Hash tables */ +#include "adlist.h" /* Linked lists */ +#include "zmalloc.h" /* total memory usage aware version of malloc/free */ +#include "anet.h" /* Networking the easy way */ +#include "ziplist.h" /* Compact list data structure */ +#include "intset.h" /* Compact integer set structure */ +#include "version.h" /* Version macro */ +#include "util.h" /* Misc functions useful in many places */ + +/* Error codes */ +#define REDIS_OK 0 +#define REDIS_ERR -1 + +/* Static server configuration */ +#define REDIS_DEFAULT_HZ 10 /* Time interrupt calls/sec. */ +#define REDIS_MIN_HZ 1 +#define REDIS_MAX_HZ 500 +#define REDIS_SERVERPORT 6379 /* TCP port */ +#define REDIS_MAXIDLETIME 0 /* default client timeout: infinite */ +#define REDIS_DEFAULT_DBNUM 16 +#define REDIS_CONFIGLINE_MAX 1024 +#define REDIS_EXPIRELOOKUPS_PER_CRON 10 /* lookup 10 expires per loop */ +#define REDIS_EXPIRELOOKUPS_TIME_PERC 25 /* CPU max % for keys collection */ +#define REDIS_DBCRON_DBS_PER_CALL 16 +#define REDIS_MAX_WRITE_PER_EVENT (1024*64) +#define REDIS_SHARED_SELECT_CMDS 10 +#define REDIS_SHARED_INTEGERS 10000 +#define REDIS_SHARED_BULKHDR_LEN 32 +#define REDIS_MAX_LOGMSG_LEN 1024 /* Default maximum length of syslog messages */ +#define REDIS_AOF_REWRITE_PERC 100 +#define REDIS_AOF_REWRITE_MIN_SIZE (1024*1024) +#define REDIS_AOF_REWRITE_ITEMS_PER_CMD 64 +#define REDIS_SLOWLOG_LOG_SLOWER_THAN 10000 +#define REDIS_SLOWLOG_MAX_LEN 128 +#define REDIS_MAX_CLIENTS 10000 +#define REDIS_AUTHPASS_MAX_LEN 512 +#define REDIS_DEFAULT_SLAVE_PRIORITY 100 +#define REDIS_REPL_TIMEOUT 60 +#define REDIS_REPL_PING_SLAVE_PERIOD 10 +#define REDIS_RUN_ID_SIZE 40 +#define REDIS_OPS_SEC_SAMPLES 16 +#define REDIS_BGSAVE_RETRY_DELAY 5 /* Wait a few secs before trying again. */ + +/* Protocol and I/O related defines */ +#define REDIS_MAX_QUERYBUF_LEN (1024*1024*1024) /* 1GB max query buffer. */ +#define REDIS_IOBUF_LEN (1024*16) /* Generic I/O buffer size */ +#define REDIS_REPLY_CHUNK_BYTES (16*1024) /* 16k output buffer */ +#define REDIS_INLINE_MAX_SIZE (1024*64) /* Max size of inline reads */ +#define REDIS_MBULK_BIG_ARG (1024*32) +#define REDIS_AOF_AUTOSYNC_BYTES (1024*1024*32) /* fdatasync every 32MB */ + +/* Hash table parameters */ +#define REDIS_HT_MINFILL 10 /* Minimal hash table fill 10% */ + +/* Command flags. Please check the command table defined in the redis.c file + * for more information about the meaning of every flag. */ +#define REDIS_CMD_WRITE 1 /* "w" flag */ +#define REDIS_CMD_READONLY 2 /* "r" flag */ +#define REDIS_CMD_DENYOOM 4 /* "m" flag */ +#define REDIS_CMD_FORCE_REPLICATION 8 /* "f" flag */ +#define REDIS_CMD_ADMIN 16 /* "a" flag */ +#define REDIS_CMD_PUBSUB 32 /* "p" flag */ +#define REDIS_CMD_NOSCRIPT 64 /* "s" flag */ +#define REDIS_CMD_RANDOM 128 /* "R" flag */ +#define REDIS_CMD_SORT_FOR_SCRIPT 256 /* "S" flag */ +#define REDIS_CMD_LOADING 512 /* "l" flag */ +#define REDIS_CMD_STALE 1024 /* "t" flag */ +#define REDIS_CMD_SKIP_MONITOR 2048 /* "M" flag */ + +/* Object types */ +#define REDIS_STRING 0 +#define REDIS_LIST 1 +#define REDIS_SET 2 +#define REDIS_ZSET 3 +#define REDIS_HASH 4 + +/* Objects encoding. Some kind of objects like Strings and Hashes can be + * internally represented in multiple ways. The 'encoding' field of the object + * is set to one of this fields for this object. */ +#define REDIS_ENCODING_RAW 0 /* Raw representation */ +#define REDIS_ENCODING_INT 1 /* Encoded as integer */ +#define REDIS_ENCODING_HT 2 /* Encoded as hash table */ +#define REDIS_ENCODING_ZIPMAP 3 /* Encoded as zipmap */ +#define REDIS_ENCODING_LINKEDLIST 4 /* Encoded as regular linked list */ +#define REDIS_ENCODING_ZIPLIST 5 /* Encoded as ziplist */ +#define REDIS_ENCODING_INTSET 6 /* Encoded as intset */ +#define REDIS_ENCODING_SKIPLIST 7 /* Encoded as skiplist */ + +/* Defines related to the dump file format. To store 32 bits lengths for short + * keys requires a lot of space, so we check the most significant 2 bits of + * the first byte to interpreter the length: + * + * 00|000000 => if the two MSB are 00 the len is the 6 bits of this byte + * 01|000000 00000000 => 01, the len is 14 byes, 6 bits + 8 bits of next byte + * 10|000000 [32 bit integer] => if it's 10, a full 32 bit len will follow + * 11|000000 this means: specially encoded object will follow. The six bits + * number specify the kind of object that follows. + * See the REDIS_RDB_ENC_* defines. + * + * Lengths up to 63 are stored using a single byte, most DB keys, and may + * values, will fit inside. */ +#define REDIS_RDB_6BITLEN 0 +#define REDIS_RDB_14BITLEN 1 +#define REDIS_RDB_32BITLEN 2 +#define REDIS_RDB_ENCVAL 3 +#define REDIS_RDB_LENERR UINT_MAX + +/* When a length of a string object stored on disk has the first two bits + * set, the remaining two bits specify a special encoding for the object + * accordingly to the following defines: */ +#define REDIS_RDB_ENC_INT8 0 /* 8 bit signed integer */ +#define REDIS_RDB_ENC_INT16 1 /* 16 bit signed integer */ +#define REDIS_RDB_ENC_INT32 2 /* 32 bit signed integer */ +#define REDIS_RDB_ENC_LZF 3 /* string compressed with FASTLZ */ + +/* AOF states */ +#define REDIS_AOF_OFF 0 /* AOF is off */ +#define REDIS_AOF_ON 1 /* AOF is on */ +#define REDIS_AOF_WAIT_REWRITE 2 /* AOF waits rewrite to start appending */ + +/* Client flags */ +#define REDIS_SLAVE (1<<0) /* This client is a slave server */ +#define REDIS_MASTER (1<<1) /* This client is a master server */ +#define REDIS_MONITOR (1<<2) /* This client is a slave monitor, see MONITOR */ +#define REDIS_MULTI (1<<3) /* This client is in a MULTI context */ +#define REDIS_BLOCKED (1<<4) /* The client is waiting in a blocking operation */ +#define REDIS_DIRTY_CAS (1<<5) /* Watched keys modified. EXEC will fail. */ +#define REDIS_CLOSE_AFTER_REPLY (1<<6) /* Close after writing entire reply. */ +#define REDIS_UNBLOCKED (1<<7) /* This client was unblocked and is stored in + server.unblocked_clients */ +#define REDIS_LUA_CLIENT (1<<8) /* This is a non connected client used by Lua */ +#define REDIS_ASKING (1<<9) /* Client issued the ASKING command */ +#define REDIS_CLOSE_ASAP (1<<10)/* Close this client ASAP */ +#define REDIS_UNIX_SOCKET (1<<11) /* Client connected via Unix domain socket */ +#define REDIS_DIRTY_EXEC (1<<12) /* EXEC will fail for errors while queueing */ + +/* Client request types */ +#define REDIS_REQ_INLINE 1 +#define REDIS_REQ_MULTIBULK 2 + +/* Client classes for client limits, currently used only for + * the max-client-output-buffer limit implementation. */ +#define REDIS_CLIENT_LIMIT_CLASS_NORMAL 0 +#define REDIS_CLIENT_LIMIT_CLASS_SLAVE 1 +#define REDIS_CLIENT_LIMIT_CLASS_PUBSUB 2 +#define REDIS_CLIENT_LIMIT_NUM_CLASSES 3 + +/* Slave replication state - slave side */ +#define REDIS_REPL_NONE 0 /* No active replication */ +#define REDIS_REPL_CONNECT 1 /* Must connect to master */ +#define REDIS_REPL_CONNECTING 2 /* Connecting to master */ +#define REDIS_REPL_RECEIVE_PONG 3 /* Wait for PING reply */ +#define REDIS_REPL_TRANSFER 4 /* Receiving .rdb from master */ +#define REDIS_REPL_CONNECTED 5 /* Connected to master */ + +/* Synchronous read timeout - slave side */ +#define REDIS_REPL_SYNCIO_TIMEOUT 5 + +/* Slave replication state - from the point of view of master + * Note that in SEND_BULK and ONLINE state the slave receives new updates + * in its output queue. In the WAIT_BGSAVE state instead the server is waiting + * to start the next background saving in order to send updates to it. */ +#define REDIS_REPL_WAIT_BGSAVE_START 3 /* master waits bgsave to start feeding it */ +#define REDIS_REPL_WAIT_BGSAVE_END 4 /* master waits bgsave to start bulk DB transmission */ +#define REDIS_REPL_SEND_BULK 5 /* master is sending the bulk DB */ +#define REDIS_REPL_ONLINE 6 /* bulk DB already transmitted, receive updates */ + +/* List related stuff */ +#define REDIS_HEAD 0 +#define REDIS_TAIL 1 + +/* Sort operations */ +#define REDIS_SORT_GET 0 +#define REDIS_SORT_ASC 1 +#define REDIS_SORT_DESC 2 +#define REDIS_SORTKEY_MAX 1024 + +/* Log levels */ +#define REDIS_DEBUG 0 +#define REDIS_VERBOSE 1 +#define REDIS_NOTICE 2 +#define REDIS_WARNING 3 +#define REDIS_LOG_RAW (1<<10) /* Modifier to log without timestamp */ + +/* Anti-warning macro... */ +#define REDIS_NOTUSED(V) ((void) V) + +#define ZSKIPLIST_MAXLEVEL 32 /* Should be enough for 2^32 elements */ +#define ZSKIPLIST_P 0.25 /* Skiplist P = 1/4 */ + +/* Append only defines */ +#define AOF_FSYNC_NO 0 +#define AOF_FSYNC_ALWAYS 1 +#define AOF_FSYNC_EVERYSEC 2 + +/* Zip structure related defaults */ +#define REDIS_HASH_MAX_ZIPLIST_ENTRIES 512 +#define REDIS_HASH_MAX_ZIPLIST_VALUE 64 +#define REDIS_LIST_MAX_ZIPLIST_ENTRIES 512 +#define REDIS_LIST_MAX_ZIPLIST_VALUE 64 +#define REDIS_SET_MAX_INTSET_ENTRIES 512 +#define REDIS_ZSET_MAX_ZIPLIST_ENTRIES 128 +#define REDIS_ZSET_MAX_ZIPLIST_VALUE 64 + +/* Sets operations codes */ +#define REDIS_OP_UNION 0 +#define REDIS_OP_DIFF 1 +#define REDIS_OP_INTER 2 + +/* Redis maxmemory strategies */ +#define REDIS_MAXMEMORY_VOLATILE_LRU 0 +#define REDIS_MAXMEMORY_VOLATILE_TTL 1 +#define REDIS_MAXMEMORY_VOLATILE_RANDOM 2 +#define REDIS_MAXMEMORY_ALLKEYS_LRU 3 +#define REDIS_MAXMEMORY_ALLKEYS_RANDOM 4 +#define REDIS_MAXMEMORY_NO_EVICTION 5 + +/* Scripting */ +#define REDIS_LUA_TIME_LIMIT 5000 /* milliseconds */ + +/* Units */ +#define UNIT_SECONDS 0 +#define UNIT_MILLISECONDS 1 + +/* SHUTDOWN flags */ +#define REDIS_SHUTDOWN_SAVE 1 /* Force SAVE on SHUTDOWN even if no save + points are configured. */ +#define REDIS_SHUTDOWN_NOSAVE 2 /* Don't SAVE on SHUTDOWN. */ + +/* Command call flags, see call() function */ +#define REDIS_CALL_NONE 0 +#define REDIS_CALL_SLOWLOG 1 +#define REDIS_CALL_STATS 2 +#define REDIS_CALL_PROPAGATE 4 +#define REDIS_CALL_FULL (REDIS_CALL_SLOWLOG | REDIS_CALL_STATS | REDIS_CALL_PROPAGATE) + +/* Command propagation flags, see propagate() function */ +#define REDIS_PROPAGATE_NONE 0 +#define REDIS_PROPAGATE_AOF 1 +#define REDIS_PROPAGATE_REPL 2 + +/* Using the following macro you can run code inside serverCron() with the + * specified period, specified in milliseconds. + * The actual resolution depends on server.hz. */ +#define run_with_period(_ms_) if ((_ms_ <= 1000/server.hz) || !(server.cronloops%((_ms_)/(1000/server.hz)))) + +/* We can print the stacktrace, so our assert is defined this way: */ +#define redisAssertWithInfo(_c,_o,_e) ((_e)?(void)0 : (_redisAssertWithInfo(_c,_o,#_e,__FILE__,__LINE__),_exit(1))) +#define redisAssert(_e) ((_e)?(void)0 : (_redisAssert(#_e,__FILE__,__LINE__),_exit(1))) +#define redisPanic(_e) _redisPanic(#_e,__FILE__,__LINE__),_exit(1) + +/*----------------------------------------------------------------------------- + * Data types + *----------------------------------------------------------------------------*/ + +/* A redis object, that is a type able to hold a string / list / set */ + +/* The actual Redis Object */ +#define REDIS_LRU_CLOCK_MAX ((1<<21)-1) /* Max value of obj->lru */ +#define REDIS_LRU_CLOCK_RESOLUTION 10 /* LRU clock resolution in seconds */ +typedef struct redisObject { + unsigned type:4; + unsigned notused:2; /* Not used */ + unsigned encoding:4; + unsigned lru:22; /* lru time (relative to server.lruclock) */ + int refcount; + void *ptr; +} robj; + +/* Macro used to initialize a Redis object allocated on the stack. + * Note that this macro is taken near the structure definition to make sure + * we'll update it when the structure is changed, to avoid bugs like + * bug #85 introduced exactly in this way. */ +#define initStaticStringObject(_var,_ptr) do { \ + _var.refcount = 1; \ + _var.type = REDIS_STRING; \ + _var.encoding = REDIS_ENCODING_RAW; \ + _var.ptr = _ptr; \ +} while(0); + +typedef struct redisDb { + dict *dict; /* The keyspace for this DB */ + dict *expires; /* Timeout of keys with a timeout set */ + dict *blocking_keys; /* Keys with clients waiting for data (BLPOP) */ + dict *ready_keys; /* Blocked keys that received a PUSH */ + dict *watched_keys; /* WATCHED keys for MULTI/EXEC CAS */ + int id; +} redisDb; + +/* Client MULTI/EXEC state */ +typedef struct multiCmd { + robj **argv; + int argc; + struct redisCommand *cmd; +} multiCmd; + +typedef struct multiState { + multiCmd *commands; /* Array of MULTI commands */ + int count; /* Total number of MULTI commands */ +} multiState; + +typedef struct blockingState { + dict *keys; /* The keys we are waiting to terminate a blocking + * operation such as BLPOP. Otherwise NULL. */ + time_t timeout; /* Blocking operation timeout. If UNIX current time + * is >= timeout then the operation timed out. */ + robj *target; /* The key that should receive the element, + * for BRPOPLPUSH. */ +} blockingState; + +/* The following structure represents a node in the server.ready_keys list, + * where we accumulate all the keys that had clients blocked with a blocking + * operation such as B[LR]POP, but received new data in the context of the + * last executed command. + * + * After the execution of every command or script, we run this list to check + * if as a result we should serve data to clients blocked, unblocking them. + * Note that server.ready_keys will not have duplicates as there dictionary + * also called ready_keys in every structure representing a Redis database, + * where we make sure to remember if a given key was already added in the + * server.ready_keys list. */ +typedef struct readyList { + redisDb *db; + robj *key; +} readyList; + +/* With multiplexing we need to take per-client state. + * Clients are taken in a liked list. */ +typedef struct redisClient { + int fd; + redisDb *db; + int dictid; + robj *name; /* As set by CLIENT SETNAME */ + sds querybuf; + size_t querybuf_peak; /* Recent (100ms or more) peak of querybuf size */ + int argc; + robj **argv; + struct redisCommand *cmd, *lastcmd; + int reqtype; + int multibulklen; /* number of multi bulk arguments left to read */ + long bulklen; /* length of bulk argument in multi bulk request */ + list *reply; + unsigned long reply_bytes; /* Tot bytes of objects in reply list */ + int sentlen; + time_t ctime; /* Client creation time */ + time_t lastinteraction; /* time of the last interaction, used for timeout */ + time_t obuf_soft_limit_reached_time; + int flags; /* REDIS_SLAVE | REDIS_MONITOR | REDIS_MULTI ... */ + int slaveseldb; /* slave selected db, if this client is a slave */ + int authenticated; /* when requirepass is non-NULL */ + int replstate; /* replication state if this is a slave */ + int repldbfd; /* replication DB file descriptor */ + long repldboff; /* replication DB file offset */ + off_t repldbsize; /* replication DB file size */ + int slave_listening_port; /* As configured with: SLAVECONF listening-port */ + multiState mstate; /* MULTI/EXEC state */ + blockingState bpop; /* blocking state */ + list *io_keys; /* Keys this client is waiting to be loaded from the + * swap file in order to continue. */ + list *watched_keys; /* Keys WATCHED for MULTI/EXEC CAS */ + dict *pubsub_channels; /* channels a client is interested in (SUBSCRIBE) */ + list *pubsub_patterns; /* patterns a client is interested in (SUBSCRIBE) */ + + /* Response buffer */ + int bufpos; + char buf[REDIS_REPLY_CHUNK_BYTES]; +} redisClient; + +struct saveparam { + time_t seconds; + int changes; +}; + +struct sharedObjectsStruct { + robj *crlf, *ok, *err, *emptybulk, *czero, *cone, *cnegone, *pong, *space, + *colon, *nullbulk, *nullmultibulk, *queued, + *emptymultibulk, *wrongtypeerr, *nokeyerr, *syntaxerr, *sameobjecterr, + *outofrangeerr, *noscripterr, *loadingerr, *slowscripterr, *bgsaveerr, + *masterdownerr, *roslaveerr, *execaborterr, + *oomerr, *plus, *messagebulk, *pmessagebulk, *subscribebulk, + *unsubscribebulk, *psubscribebulk, *punsubscribebulk, *del, *rpop, *lpop, + *lpush, + *select[REDIS_SHARED_SELECT_CMDS], + *integers[REDIS_SHARED_INTEGERS], + *mbulkhdr[REDIS_SHARED_BULKHDR_LEN], /* "*\r\n" */ + *bulkhdr[REDIS_SHARED_BULKHDR_LEN]; /* "$\r\n" */ +}; + +/* ZSETs use a specialized version of Skiplists */ +typedef struct zskiplistNode { + robj *obj; + double score; + struct zskiplistNode *backward; + struct zskiplistLevel { + struct zskiplistNode *forward; + unsigned int span; + } level[]; +} zskiplistNode; + +typedef struct zskiplist { + struct zskiplistNode *header, *tail; + unsigned long length; + int level; +} zskiplist; + +typedef struct zset { + dict *dict; + zskiplist *zsl; +} zset; + +typedef struct clientBufferLimitsConfig { + unsigned long long hard_limit_bytes; + unsigned long long soft_limit_bytes; + time_t soft_limit_seconds; +} clientBufferLimitsConfig; + +/* The redisOp structure defines a Redis Operation, that is an instance of + * a command with an argument vector, database ID, propagation target + * (REDIS_PROPAGATE_*), and command pointer. + * + * Currently only used to additionally propagate more commands to AOF/Replication + * after the propagation of the executed command. */ +typedef struct redisOp { + robj **argv; + int argc, dbid, target; + struct redisCommand *cmd; +} redisOp; + +/* Defines an array of Redis operations. There is an API to add to this + * structure in a easy way. + * + * redisOpArrayInit(); + * redisOpArrayAppend(); + * redisOpArrayFree(); + */ +typedef struct redisOpArray { + redisOp *ops; + int numops; +} redisOpArray; + +/*----------------------------------------------------------------------------- + * Global server state + *----------------------------------------------------------------------------*/ + +struct redisServer { + leveldb_t *ds_db; + leveldb_comparator_t *ds_cmp; + leveldb_cache_t *ds_cache; + leveldb_options_t *ds_options; + leveldb_filterpolicy_t *policy; + leveldb_writeoptions_t *woptions; + leveldb_readoptions_t *roptions; + //leveldb_iterator_t *iter; + + uint16_t ds_open; + uint16_t ds_lru_cache; + uint16_t ds_create_if_missing; + uint16_t ds_error_if_exists; + uint16_t ds_paranoid_checks; + uint32_t ds_write_buffer_size; + uint32_t ds_block_size; + uint16_t ds_max_open_files; + uint16_t ds_block_restart_interval; + char *ds_path; + + uint32_t rl_ttl; + uint32_t rl_ttlcheck; + + /* General */ + int hz; /* serverCron() calls frequency in hertz */ + redisDb *db; + dict *commands; /* Command table */ + dict *orig_commands; /* Command table before command renaming. */ + aeEventLoop *el; + unsigned lruclock:22; /* Clock incrementing every minute, for LRU */ + unsigned lruclock_padding:10; + int shutdown_asap; /* SHUTDOWN needed ASAP */ + int activerehashing; /* Incremental rehash in serverCron() */ + char *requirepass; /* Pass for AUTH command, or NULL */ + char *pidfile; /* PID file path */ + int arch_bits; /* 32 or 64 depending on sizeof(long) */ + int cronloops; /* Number of times the cron function run */ + char runid[REDIS_RUN_ID_SIZE+1]; /* ID always different at every exec. */ + int sentinel_mode; /* True if this instance is a Sentinel. */ + /* Networking */ + int port; /* TCP listening port */ + char *bindaddr; /* Bind address or NULL */ + char *unixsocket; /* UNIX socket path */ + mode_t unixsocketperm; /* UNIX socket permission */ + int ipfd; /* TCP socket file descriptor */ + int sofd; /* Unix socket file descriptor */ + list *clients; /* List of active clients */ + list *clients_to_close; /* Clients to close asynchronously */ + list *slaves, *monitors; /* List of slaves and MONITORs */ + redisClient *current_client; /* Current client, only used on crash report */ + char neterr[ANET_ERR_LEN]; /* Error buffer for anet.c */ + /* RDB / AOF loading information */ + int loading; /* We are loading data from disk if true */ + off_t loading_total_bytes; + off_t loading_loaded_bytes; + time_t loading_start_time; + /* Fast pointers to often looked up command */ + struct redisCommand *delCommand, *multiCommand, *lpushCommand, *lpopCommand, + *rpopCommand; + /* Fields used only for stats */ + time_t stat_starttime; /* Server start time */ + long long stat_numcommands; /* Number of processed commands */ + long long stat_numconnections; /* Number of connections received */ + long long stat_expiredkeys; /* Number of expired keys */ + long long stat_evictedkeys; /* Number of evicted keys (maxmemory) */ + long long stat_keyspace_hits; /* Number of successful lookups of keys */ + long long stat_keyspace_misses; /* Number of failed lookups of keys */ + size_t stat_peak_memory; /* Max used memory record */ + long long stat_fork_time; /* Time needed to perform latest fork() */ + long long stat_rejected_conn; /* Clients rejected because of maxclients */ + list *slowlog; /* SLOWLOG list of commands */ + long long slowlog_entry_id; /* SLOWLOG current entry ID */ + long long slowlog_log_slower_than; /* SLOWLOG time limit (to get logged) */ + unsigned long slowlog_max_len; /* SLOWLOG max number of items logged */ + /* The following two are used to track instantaneous "load" in terms + * of operations per second. */ + long long ops_sec_last_sample_time; /* Timestamp of last sample (in ms) */ + long long ops_sec_last_sample_ops; /* numcommands in last sample */ + long long ops_sec_samples[REDIS_OPS_SEC_SAMPLES]; + int ops_sec_idx; + /* Configuration */ + int verbosity; /* Loglevel in redis.conf */ + int maxidletime; /* Client timeout in seconds */ + int tcpkeepalive; /* Set SO_KEEPALIVE if non-zero. */ + int active_expire_enabled; /* Can be disabled for testing purposes. */ + size_t client_max_querybuf_len; /* Limit for client query buffer length */ + int dbnum; /* Total number of configured DBs */ + int daemonize; /* True if running as a daemon */ + clientBufferLimitsConfig client_obuf_limits[REDIS_CLIENT_LIMIT_NUM_CLASSES]; + /* AOF persistence */ + int aof_state; /* REDIS_AOF_(ON|OFF|WAIT_REWRITE) */ + int aof_fsync; /* Kind of fsync() policy */ + char *aof_filename; /* Name of the AOF file */ + int aof_no_fsync_on_rewrite; /* Don't fsync if a rewrite is in prog. */ + int aof_rewrite_perc; /* Rewrite AOF if % growth is > M and... */ + off_t aof_rewrite_min_size; /* the AOF file is at least N bytes. */ + off_t aof_rewrite_base_size; /* AOF size on latest startup or rewrite. */ + off_t aof_current_size; /* AOF current size. */ + int aof_rewrite_scheduled; /* Rewrite once BGSAVE terminates. */ + pid_t aof_child_pid; /* PID if rewriting process */ + list *aof_rewrite_buf_blocks; /* Hold changes during an AOF rewrite. */ + sds aof_buf; /* AOF buffer, written before entering the event loop */ + int aof_fd; /* File descriptor of currently selected AOF file */ + int aof_selected_db; /* Currently selected DB in AOF */ + time_t aof_flush_postponed_start; /* UNIX time of postponed AOF flush */ + time_t aof_last_fsync; /* UNIX time of last fsync() */ + time_t aof_rewrite_time_last; /* Time used by last AOF rewrite run. */ + time_t aof_rewrite_time_start; /* Current AOF rewrite start time. */ + int aof_lastbgrewrite_status; /* REDIS_OK or REDIS_ERR */ + unsigned long aof_delayed_fsync; /* delayed AOF fsync() counter */ + int aof_rewrite_incremental_fsync;/* fsync incrementally while rewriting? */ + /* RDB persistence */ + long long dirty; /* Changes to DB from the last save */ + long long dirty_before_bgsave; /* Used to restore dirty on failed BGSAVE */ + pid_t rdb_child_pid; /* PID of RDB saving child */ + struct saveparam *saveparams; /* Save points array for RDB */ + int saveparamslen; /* Number of saving points */ + char *rdb_filename; /* Name of RDB file */ + int rdb_compression; /* Use compression in RDB? */ + int rdb_checksum; /* Use RDB checksum? */ + time_t lastsave; /* Unix time of last successful save */ + time_t lastbgsave_try; /* Unix time of last attempted bgsave */ + time_t rdb_save_time_last; /* Time used by last RDB save run. */ + time_t rdb_save_time_start; /* Current RDB save start time. */ + int lastbgsave_status; /* REDIS_OK or REDIS_ERR */ + int stop_writes_on_bgsave_err; /* Don't allow writes if can't BGSAVE */ + /* Propagation of commands in AOF / replication */ + redisOpArray also_propagate; /* Additional command to propagate. */ + /* Logging */ + char *logfile; /* Path of log file */ + int syslog_enabled; /* Is syslog enabled? */ + char *syslog_ident; /* Syslog ident */ + int syslog_facility; /* Syslog facility */ + /* Slave specific fields */ + char *masterauth; /* AUTH with this password with master */ + char *masterhost; /* Hostname of master */ + int masterport; /* Port of master */ + int repl_ping_slave_period; /* Master pings the slave every N seconds */ + int repl_timeout; /* Timeout after N seconds of master idle */ + redisClient *master; /* Client that is master for this slave */ + int repl_syncio_timeout; /* Timeout for synchronous I/O calls */ + int repl_state; /* Replication status if the instance is a slave */ + off_t repl_transfer_size; /* Size of RDB to read from master during sync. */ + off_t repl_transfer_read; /* Amount of RDB read from master during sync. */ + off_t repl_transfer_last_fsync_off; /* Offset when we fsync-ed last time. */ + int repl_transfer_s; /* Slave -> Master SYNC socket */ + int repl_transfer_fd; /* Slave -> Master SYNC temp file descriptor */ + char *repl_transfer_tmpfile; /* Slave-> master SYNC temp file name */ + time_t repl_transfer_lastio; /* Unix time of the latest read, for timeout */ + int repl_serve_stale_data; /* Serve stale data when link is down? */ + int repl_slave_ro; /* Slave is read only? */ + time_t repl_down_since; /* Unix time at which link with master went down */ + int repl_disable_tcp_nodelay; /* Disable TCP_NODELAY after SYNC? */ + int slave_priority; /* Reported in INFO and used by Sentinel. */ + /* Limits */ + unsigned int maxclients; /* Max number of simultaneous clients */ + unsigned long long maxmemory; /* Max number of memory bytes to use */ + int maxmemory_policy; /* Policy for key eviction */ + int maxmemory_samples; /* Pricision of random sampling */ + /* Blocked clients */ + unsigned int bpop_blocked_clients; /* Number of clients blocked by lists */ + list *unblocked_clients; /* list of clients to unblock before next loop */ + list *ready_keys; /* List of readyList structures for BLPOP & co */ + /* Sort parameters - qsort_r() is only available under BSD so we + * have to take this state global, in order to pass it to sortCompare() */ + int sort_desc; + int sort_alpha; + int sort_bypattern; + /* Zip structure config, see redis.conf for more information */ + size_t hash_max_ziplist_entries; + size_t hash_max_ziplist_value; + size_t list_max_ziplist_entries; + size_t list_max_ziplist_value; + size_t set_max_intset_entries; + size_t zset_max_ziplist_entries; + size_t zset_max_ziplist_value; + time_t unixtime; /* Unix time sampled every second. */ + /* Pubsub */ + dict *pubsub_channels; /* Map channels to list of subscribed clients */ + list *pubsub_patterns; /* A list of pubsub_patterns */ + /* Scripting */ + lua_State *lua; /* The Lua interpreter. We use just one for all clients */ + redisClient *lua_client; /* The "fake client" to query Redis from Lua */ + redisClient *lua_caller; /* The client running EVAL right now, or NULL */ + dict *lua_scripts; /* A dictionary of SHA1 -> Lua scripts */ + long long lua_time_limit; /* Script timeout in seconds */ + long long lua_time_start; /* Start time of script */ + int lua_write_dirty; /* True if a write command was called during the + execution of the current script. */ + int lua_random_dirty; /* True if a random command was called during the + execution of the current script. */ + int lua_timedout; /* True if we reached the time limit for script + execution. */ + int lua_kill; /* Kill the script if true. */ + /* Assert & bug reporting */ + char *assert_failed; + char *assert_file; + int assert_line; + int bug_report_start; /* True if bug report header was already logged. */ + int watchdog_period; /* Software watchdog period in ms. 0 = off */ +}; + +typedef struct pubsubPattern { + redisClient *client; + robj *pattern; +} pubsubPattern; + +typedef void redisCommandProc(redisClient *c); +typedef int *redisGetKeysProc(struct redisCommand *cmd, robj **argv, int argc, int *numkeys, int flags); +struct redisCommand { + char *name; + redisCommandProc *proc; + int arity; + char *sflags; /* Flags as string representation, one char per flag. */ + int flags; /* The actual flags, obtained from the 'sflags' field. */ + /* Use a function to determine keys arguments in a command line. */ + redisGetKeysProc *getkeys_proc; + /* What keys should be loaded in background when calling this command? */ + int firstkey; /* The first argument that's a key (0 = no keys) */ + int lastkey; /* The last argument that's a key */ + int keystep; /* The step between first and last key */ + long long microseconds, calls; +}; + +struct redisFunctionSym { + char *name; + unsigned long pointer; +}; + +typedef struct _redisSortObject { + robj *obj; + union { + double score; + robj *cmpobj; + } u; +} redisSortObject; + +typedef struct _redisSortOperation { + int type; + robj *pattern; +} redisSortOperation; + +/* Structure to hold list iteration abstraction. */ +typedef struct { + robj *subject; + unsigned char encoding; + unsigned char direction; /* Iteration direction */ + unsigned char *zi; + listNode *ln; +} listTypeIterator; + +/* Structure for an entry while iterating over a list. */ +typedef struct { + listTypeIterator *li; + unsigned char *zi; /* Entry in ziplist */ + listNode *ln; /* Entry in linked list */ +} listTypeEntry; + +/* Structure to hold set iteration abstraction. */ +typedef struct { + robj *subject; + int encoding; + int ii; /* intset iterator */ + dictIterator *di; +} setTypeIterator; + +/* Structure to hold hash iteration abstraction. Note that iteration over + * hashes involves both fields and values. Because it is possible that + * not both are required, store pointers in the iterator to avoid + * unnecessary memory allocation for fields/values. */ +typedef struct { + robj *subject; + int encoding; + + unsigned char *fptr, *vptr; + + dictIterator *di; + dictEntry *de; +} hashTypeIterator; + +#define REDIS_HASH_KEY 1 +#define REDIS_HASH_VALUE 2 + +/*----------------------------------------------------------------------------- + * Extern declarations + *----------------------------------------------------------------------------*/ + +extern struct redisServer server; +extern struct sharedObjectsStruct shared; +extern dictType setDictType; +extern dictType zsetDictType; +extern dictType dbDictType; +extern dictType shaScriptObjectDictType; +extern double R_Zero, R_PosInf, R_NegInf, R_Nan; +extern dictType hashDictType; + +/*----------------------------------------------------------------------------- + * Functions prototypes + *----------------------------------------------------------------------------*/ + +/* Utils */ +long long ustime(void); +long long mstime(void); +void getRandomHexChars(char *p, unsigned int len); +uint64_t crc64(uint64_t crc, const unsigned char *s, uint64_t l); +void exitFromChild(int retcode); + +/* networking.c -- Networking and Client related operations */ +redisClient *createClient(int fd); +void closeTimedoutClients(void); +void freeClient(redisClient *c); +void resetClient(redisClient *c); +void sendReplyToClient(aeEventLoop *el, int fd, void *privdata, int mask); +void addReply(redisClient *c, robj *obj); +void *addDeferredMultiBulkLength(redisClient *c); +void setDeferredMultiBulkLength(redisClient *c, void *node, long length); +void addReplySds(redisClient *c, sds s); +void processInputBuffer(redisClient *c); +void acceptTcpHandler(aeEventLoop *el, int fd, void *privdata, int mask); +void acceptUnixHandler(aeEventLoop *el, int fd, void *privdata, int mask); +void readQueryFromClient(aeEventLoop *el, int fd, void *privdata, int mask); +void addReplyBulk(redisClient *c, robj *obj); +void addReplyBulkCString(redisClient *c, char *s); +void addReplyBulkCBuffer(redisClient *c, void *p, size_t len); +void addReplyBulkLongLong(redisClient *c, long long ll); +void acceptHandler(aeEventLoop *el, int fd, void *privdata, int mask); +void addReply(redisClient *c, robj *obj); +void addReplySds(redisClient *c, sds s); +void addReplyError(redisClient *c, char *err); +void addReplyStatus(redisClient *c, char *status); +void addReplyDouble(redisClient *c, double d); +void addReplyLongLong(redisClient *c, long long ll); +void addReplyMultiBulkLen(redisClient *c, long length); +void addHashFieldToReply(redisClient *c, robj *o, robj *field); +void copyClientOutputBuffer(redisClient *dst, redisClient *src); +void *dupClientReplyValue(void *o); +void getClientsMaxBuffers(unsigned long *longest_output_list, + unsigned long *biggest_input_buffer); +sds getClientInfoString(redisClient *client); +sds getAllClientsInfoString(void); +void rewriteClientCommandVector(redisClient *c, int argc, ...); +void rewriteClientCommandArgument(redisClient *c, int i, robj *newval); +unsigned long getClientOutputBufferMemoryUsage(redisClient *c); +void freeClientsInAsyncFreeQueue(void); +void asyncCloseClientOnOutputBufferLimitReached(redisClient *c); +int getClientLimitClassByName(char *name); +char *getClientLimitClassName(int class); +void flushSlavesOutputBuffers(void); +void disconnectSlaves(void); + +#ifdef __GNUC__ +void addReplyErrorFormat(redisClient *c, const char *fmt, ...) + __attribute__((format(printf, 2, 3))); +void addReplyStatusFormat(redisClient *c, const char *fmt, ...) + __attribute__((format(printf, 2, 3))); +#else +void addReplyErrorFormat(redisClient *c, const char *fmt, ...); +void addReplyStatusFormat(redisClient *c, const char *fmt, ...); +#endif + +/* List data type */ +void listTypeTryConversion(robj *subject, robj *value); +void listTypePush(robj *subject, robj *value, int where); +robj *listTypePop(robj *subject, int where); +unsigned long listTypeLength(robj *subject); +listTypeIterator *listTypeInitIterator(robj *subject, long index, unsigned char direction); +void listTypeReleaseIterator(listTypeIterator *li); +int listTypeNext(listTypeIterator *li, listTypeEntry *entry); +robj *listTypeGet(listTypeEntry *entry); +void listTypeInsert(listTypeEntry *entry, robj *value, int where); +int listTypeEqual(listTypeEntry *entry, robj *o); +void listTypeDelete(listTypeEntry *entry); +void listTypeConvert(robj *subject, int enc); +void unblockClientWaitingData(redisClient *c); +void handleClientsBlockedOnLists(void); +void popGenericCommand(redisClient *c, int where); + +/* MULTI/EXEC/WATCH... */ +void unwatchAllKeys(redisClient *c); +void initClientMultiState(redisClient *c); +void freeClientMultiState(redisClient *c); +void queueMultiCommand(redisClient *c); +void touchWatchedKey(redisDb *db, robj *key); +void touchWatchedKeysOnFlush(int dbid); +void discardTransaction(redisClient *c); +void flagTransaction(redisClient *c); + +/* Redis object implementation */ +void decrRefCount(void *o); +void incrRefCount(robj *o); +robj *resetRefCount(robj *obj); +void freeStringObject(robj *o); +void freeListObject(robj *o); +void freeSetObject(robj *o); +void freeZsetObject(robj *o); +void freeHashObject(robj *o); +robj *createObject(int type, void *ptr); +robj *createStringObject(char *ptr, size_t len); +robj *dupStringObject(robj *o); +int isObjectRepresentableAsLongLong(robj *o, long long *llongval); +robj *tryObjectEncoding(robj *o); +robj *getDecodedObject(robj *o); +size_t stringObjectLen(robj *o); +robj *createStringObjectFromLongLong(long long value); +robj *createStringObjectFromLongDouble(long double value); +robj *createListObject(void); +robj *createZiplistObject(void); +robj *createSetObject(void); +robj *createIntsetObject(void); +robj *createHashObject(void); +robj *createZsetObject(void); +robj *createZsetZiplistObject(void); +int getLongFromObjectOrReply(redisClient *c, robj *o, long *target, const char *msg); +int checkType(redisClient *c, robj *o, int type); +int getLongLongFromObjectOrReply(redisClient *c, robj *o, long long *target, const char *msg); +int getDoubleFromObjectOrReply(redisClient *c, robj *o, double *target, const char *msg); +int getLongLongFromObject(robj *o, long long *target); +int getLongDoubleFromObject(robj *o, long double *target); +int getLongDoubleFromObjectOrReply(redisClient *c, robj *o, long double *target, const char *msg); +char *strEncoding(int encoding); +int compareStringObjects(robj *a, robj *b); +int equalStringObjects(robj *a, robj *b); +unsigned long estimateObjectIdleTime(robj *o); + +/* Synchronous I/O with timeout */ +ssize_t syncWrite(int fd, char *ptr, ssize_t size, long long timeout); +ssize_t syncRead(int fd, char *ptr, ssize_t size, long long timeout); +ssize_t syncReadLine(int fd, char *ptr, ssize_t size, long long timeout); + +/* Replication */ +void replicationFeedSlaves(list *slaves, int dictid, robj **argv, int argc); +void replicationFeedMonitors(redisClient *c, list *monitors, int dictid, robj **argv, int argc); +void updateSlavesWaitingBgsave(int bgsaveerr); +void replicationCron(void); + +/* Generic persistence functions */ +void startLoading(FILE *fp); +void loadingProgress(off_t pos); +void stopLoading(void); + +/* RDB persistence */ +#include "rdb.h" + +/* AOF persistence */ +void flushAppendOnlyFile(int force); +void feedAppendOnlyFile(struct redisCommand *cmd, int dictid, robj **argv, int argc); +void aofRemoveTempFile(pid_t childpid); +int rewriteAppendOnlyFileBackground(void); +int loadAppendOnlyFile(char *filename); +void stopAppendOnly(void); +int startAppendOnly(void); +void backgroundRewriteDoneHandler(int exitcode, int bysignal); +void aofRewriteBufferReset(void); +unsigned long aofRewriteBufferSize(void); + +/* Sorted sets data type */ + +/* Struct to hold a inclusive/exclusive range spec. */ +typedef struct { + double min, max; + int minex, maxex; /* are min or max exclusive? */ +} zrangespec; + +zskiplist *zslCreate(void); +void zslFree(zskiplist *zsl); +zskiplistNode *zslInsert(zskiplist *zsl, double score, robj *obj); +unsigned char *zzlInsert(unsigned char *zl, robj *ele, double score); +int zslDelete(zskiplist *zsl, double score, robj *obj); +zskiplistNode *zslFirstInRange(zskiplist *zsl, zrangespec range); +double zzlGetScore(unsigned char *sptr); +void zzlNext(unsigned char *zl, unsigned char **eptr, unsigned char **sptr); +void zzlPrev(unsigned char *zl, unsigned char **eptr, unsigned char **sptr); +unsigned int zsetLength(robj *zobj); +void zsetConvert(robj *zobj, int encoding); + +/* Core functions */ +int freeMemoryIfNeeded(void); +int processCommand(redisClient *c); +void setupSignalHandlers(void); +struct redisCommand *lookupCommand(sds name); +struct redisCommand *lookupCommandByCString(char *s); +struct redisCommand *lookupCommandOrOriginal(sds name); +void call(redisClient *c, int flags); +void propagate(struct redisCommand *cmd, int dbid, robj **argv, int argc, int flags); +void alsoPropagate(struct redisCommand *cmd, int dbid, robj **argv, int argc, int target); +int prepareForShutdown(); +void redisLog(int level, const char *fmt, ...); +void redisLogRaw(int level, const char *msg); +void redisLogFromHandler(int level, const char *msg); +void usage(); +void updateDictResizePolicy(void); +int htNeedsResize(dict *dict); +void oom(const char *msg); +void populateCommandTable(void); +void resetCommandTableStats(void); + +/* Set data type */ +robj *setTypeCreate(robj *value); +int setTypeAdd(robj *subject, robj *value); +int setTypeRemove(robj *subject, robj *value); +int setTypeIsMember(robj *subject, robj *value); +setTypeIterator *setTypeInitIterator(robj *subject); +void setTypeReleaseIterator(setTypeIterator *si); +int setTypeNext(setTypeIterator *si, robj **objele, int64_t *llele); +robj *setTypeNextObject(setTypeIterator *si); +int setTypeRandomElement(robj *setobj, robj **objele, int64_t *llele); +unsigned long setTypeSize(robj *subject); +void setTypeConvert(robj *subject, int enc); + +/* Hash data type */ +void hashTypeConvert(robj *o, int enc); +void hashTypeTryConversion(robj *subject, robj **argv, int start, int end); +void hashTypeTryObjectEncoding(robj *subject, robj **o1, robj **o2); +robj *hashTypeGetObject(robj *o, robj *key); +int hashTypeExists(robj *o, robj *key); +int hashTypeSet(robj *o, robj *key, robj *value); +int hashTypeDelete(robj *o, robj *key); +unsigned long hashTypeLength(robj *o); +hashTypeIterator *hashTypeInitIterator(robj *subject); +void hashTypeReleaseIterator(hashTypeIterator *hi); +int hashTypeNext(hashTypeIterator *hi); +void hashTypeCurrentFromZiplist(hashTypeIterator *hi, int what, + unsigned char **vstr, + unsigned int *vlen, + long long *vll); +void hashTypeCurrentFromHashTable(hashTypeIterator *hi, int what, robj **dst); +robj *hashTypeCurrentObject(hashTypeIterator *hi, int what); +robj *hashTypeLookupWriteOrCreate(redisClient *c, robj *key); + +/* Pub / Sub */ +int pubsubUnsubscribeAllChannels(redisClient *c, int notify); +int pubsubUnsubscribeAllPatterns(redisClient *c, int notify); +void freePubsubPattern(void *p); +int listMatchPubsubPattern(void *a, void *b); +int pubsubPublishMessage(robj *channel, robj *message); + +/* Configuration */ +void loadServerConfig(char *filename, char *options); +void appendServerSaveParams(time_t seconds, int changes); +void resetServerSaveParams(); + +/* db.c -- Keyspace access API */ +int removeExpire(redisDb *db, robj *key); +void propagateExpire(redisDb *db, robj *key); +int expireIfNeeded(redisDb *db, robj *key); +long long getExpire(redisDb *db, robj *key); +void setExpire(redisDb *db, robj *key, long long when); +robj *lookupKey(redisDb *db, robj *key); +robj *lookupKeyRead(redisDb *db, robj *key); +robj *lookupKeyWrite(redisDb *db, robj *key); +robj *lookupKeyReadOrReply(redisClient *c, robj *key, robj *reply); +robj *lookupKeyWriteOrReply(redisClient *c, robj *key, robj *reply); +void dbAdd(redisDb *db, robj *key, robj *val); +//void checkRlTTL(redisDb *db, robj *key); +void dbOverwrite(redisDb *db, robj *key, robj *val); +void setKey(redisDb *db, robj *key, robj *val); +int dbExists(redisDb *db, robj *key); +robj *dbRandomKey(redisDb *db); +int dbDelete(redisDb *db, robj *key); +long long emptyDb(); +int selectDb(redisClient *c, int id); +void signalModifiedKey(redisDb *db, robj *key); +void signalFlushedDb(int dbid); +unsigned int GetKeysInSlot(unsigned int hashslot, robj **keys, unsigned int count); + +/* API to get key arguments from commands */ +#define REDIS_GETKEYS_ALL 0 +#define REDIS_GETKEYS_PRELOAD 1 +int *getKeysFromCommand(struct redisCommand *cmd, robj **argv, int argc, int *numkeys, int flags); +void getKeysFreeResult(int *result); +int *noPreloadGetKeys(struct redisCommand *cmd,robj **argv, int argc, int *numkeys, int flags); +int *renameGetKeys(struct redisCommand *cmd,robj **argv, int argc, int *numkeys, int flags); +int *zunionInterGetKeys(struct redisCommand *cmd,robj **argv, int argc, int *numkeys, int flags); + +/* Sentinel */ +void initSentinelConfig(void); +void initSentinel(void); +void sentinelTimer(void); +char *sentinelHandleConfiguration(char **argv, int argc); + +/* Scripting */ +void scriptingInit(void); + +/* Git SHA1 */ +char *redisGitSHA1(void); +char *redisGitDirty(void); + +/* Commands prototypes */ +void authCommand(redisClient *c); +void pingCommand(redisClient *c); +void echoCommand(redisClient *c); +void setCommand(redisClient *c); +void setnxCommand(redisClient *c); +void setexCommand(redisClient *c); +void setnexCommand(redisClient *c); +void psetexCommand(redisClient *c); +void getCommand(redisClient *c); +void delCommand(redisClient *c); +void existsCommand(redisClient *c); +void setbitCommand(redisClient *c); +void getbitCommand(redisClient *c); +void setrangeCommand(redisClient *c); +void getrangeCommand(redisClient *c); +void incrCommand(redisClient *c); +void decrCommand(redisClient *c); +void incrbyCommand(redisClient *c); +void decrbyCommand(redisClient *c); +void incrbyfloatCommand(redisClient *c); +void selectCommand(redisClient *c); +void randomkeyCommand(redisClient *c); +void keysCommand(redisClient *c); +void dbsizeCommand(redisClient *c); +void lastsaveCommand(redisClient *c); +void saveCommand(redisClient *c); +void bgsaveCommand(redisClient *c); +void bgrewriteaofCommand(redisClient *c); +void shutdownCommand(redisClient *c); +void moveCommand(redisClient *c); +void renameCommand(redisClient *c); +void renamenxCommand(redisClient *c); +void lpushCommand(redisClient *c); +void rpushCommand(redisClient *c); +void lpushxCommand(redisClient *c); +void rpushxCommand(redisClient *c); +void linsertCommand(redisClient *c); +void lpopCommand(redisClient *c); +void rpopCommand(redisClient *c); +void llenCommand(redisClient *c); +void lindexCommand(redisClient *c); +void lrangeCommand(redisClient *c); +void ltrimCommand(redisClient *c); +void typeCommand(redisClient *c); +void lsetCommand(redisClient *c); +void saddCommand(redisClient *c); +void sremCommand(redisClient *c); +void smoveCommand(redisClient *c); +void sismemberCommand(redisClient *c); +void scardCommand(redisClient *c); +void spopCommand(redisClient *c); +void srandmemberCommand(redisClient *c); +void sinterCommand(redisClient *c); +void sinterstoreCommand(redisClient *c); +void sunionCommand(redisClient *c); +void sunionstoreCommand(redisClient *c); +void sdiffCommand(redisClient *c); +void sdiffstoreCommand(redisClient *c); +void syncCommand(redisClient *c); +void flushdbCommand(redisClient *c); +void flushallCommand(redisClient *c); +void sortCommand(redisClient *c); +void lremCommand(redisClient *c); +void rpoplpushCommand(redisClient *c); +void infoCommand(redisClient *c); +void mgetCommand(redisClient *c); +void monitorCommand(redisClient *c); +void expireCommand(redisClient *c); +void expireatCommand(redisClient *c); +void pexpireCommand(redisClient *c); +void pexpireatCommand(redisClient *c); +void getsetCommand(redisClient *c); +void ttlCommand(redisClient *c); +void pttlCommand(redisClient *c); +void persistCommand(redisClient *c); +void slaveofCommand(redisClient *c); +void debugCommand(redisClient *c); +void msetCommand(redisClient *c); +void msetnxCommand(redisClient *c); +void zaddCommand(redisClient *c); +void zincrbyCommand(redisClient *c); +void zrangeCommand(redisClient *c); +void zrangebyscoreCommand(redisClient *c); +void zrevrangebyscoreCommand(redisClient *c); +void zcountCommand(redisClient *c); +void zrevrangeCommand(redisClient *c); +void zcardCommand(redisClient *c); +void zremCommand(redisClient *c); +void zscoreCommand(redisClient *c); +void zremrangebyscoreCommand(redisClient *c); +void multiCommand(redisClient *c); +void execCommand(redisClient *c); +void discardCommand(redisClient *c); +void blpopCommand(redisClient *c); +void brpopCommand(redisClient *c); +void brpoplpushCommand(redisClient *c); +void lallCommand(redisClient *c); +void rallCommand(redisClient *c); +void appendCommand(redisClient *c); +void strlenCommand(redisClient *c); +void zrankCommand(redisClient *c); +void zrevrankCommand(redisClient *c); +void hsetCommand(redisClient *c); +void hsetnxCommand(redisClient *c); +void hgetCommand(redisClient *c); +void hmsetCommand(redisClient *c); +void hmgetCommand(redisClient *c); +void hdelCommand(redisClient *c); +void hlenCommand(redisClient *c); +int hashTypeGetFromZiplist(robj *o, robj *field, unsigned char **vstr, unsigned int *vlen, long long *vll); +int hashTypeGetFromHashTable(robj *o, robj *field, robj **value); +void zremrangebyrankCommand(redisClient *c); +void zunionstoreCommand(redisClient *c); +void zinterstoreCommand(redisClient *c); +void hkeysCommand(redisClient *c); +void hvalsCommand(redisClient *c); +void hgetallCommand(redisClient *c); +void hexistsCommand(redisClient *c); +void configCommand(redisClient *c); +void hincrbyCommand(redisClient *c); +void hincrbyfloatCommand(redisClient *c); +void subscribeCommand(redisClient *c); +void unsubscribeCommand(redisClient *c); +void psubscribeCommand(redisClient *c); +void punsubscribeCommand(redisClient *c); +void publishCommand(redisClient *c); +void watchCommand(redisClient *c); +void unwatchCommand(redisClient *c); +void restoreCommand(redisClient *c); +void migrateCommand(redisClient *c); +void dumpCommand(redisClient *c); +void objectCommand(redisClient *c); +void clientCommand(redisClient *c); +void evalCommand(redisClient *c); +void evalShaCommand(redisClient *c); +void scriptCommand(redisClient *c); +void timeCommand(redisClient *c); +void bitopCommand(redisClient *c); +void bitcountCommand(redisClient *c); +void replconfCommand(redisClient *c); +void addHashIteratorCursorToReply(redisClient *c, hashTypeIterator *hi, int what); + +#if defined(__GNUC__) +void *calloc(size_t count, size_t size) __attribute__ ((deprecated)); +void free(void *ptr) __attribute__ ((deprecated)); +void *malloc(size_t size) __attribute__ ((deprecated)); +void *realloc(void *ptr, size_t size) __attribute__ ((deprecated)); +#endif + +/* Debugging stuff */ +void _redisAssertWithInfo(redisClient *c, robj *o, char *estr, char *file, int line); +void _redisAssert(char *estr, char *file, int line); +void _redisPanic(char *msg, char *file, int line); +void bugReportStart(void); +void redisLogObjectDebugInfo(robj *o); +void sigsegvHandler(int sig, siginfo_t *info, void *secret); +sds genRedisInfoString(char *section); +void enableWatchdog(int period); +void disableWatchdog(void); +void watchdogScheduleSignal(int period); +void redisLogHexDump(int level, char *descr, void *value, size_t len); + +void ds_init(); +void ds_close(); +void ds_get(redisClient *c); +void ds_set(redisClient *c); +void ds_mset(redisClient *c); +void ds_mget(redisClient *c); + +void ds_append(redisClient *c); +void ds_incrby(redisClient *c); + +void ds_exists(redisClient *c); + +/* +void ds_keys_asc(redisClient *c); +void ds_keys_desc(redisClient *c); +*/ +void ds_hexists(redisClient *c); + +void ds_hdel(redisClient *c); +void ds_hget(redisClient *c); +void ds_hset(redisClient *c); +void ds_hsetnx(redisClient *c); +void ds_hmget(redisClient *c); +void ds_hmset(redisClient *c); +void ds_hincrby(redisClient *c); +void ds_hgetall(redisClient *c); +void ds_hkeys(redisClient *c); +void ds_hlen(redisClient *c); +void ds_hvals(redisClient *c); +void ds_delete(redisClient *c); +void ds_keys_asc(redisClient *c); +void ds_hkeys_asc(redisClient *c); +void ds_keys_desc(redisClient *c); +void ds_hkeys_desc(redisClient *c); +void ds_keys_count(redisClient *c); +void ds_hkeys_count(redisClient *c); + +void rl_delete(redisClient *c); +void rl_get(redisClient *c); +void rl_set(redisClient *c); +void rl_hget(redisClient *c); +void rl_hset(redisClient *c); +void rl_hdel(redisClient *c); +void rl_mset(redisClient *c); +void rl_getset(redisClient *c); +void rl_hgetset(redisClient *c); +void rl_hmget(redisClient *c); +void rl_hmset(redisClient *c); +void rl_mget(redisClient *c); +void rl_mgetset(redisClient *c); +void rl_hmgetset(redisClient *c); +void rl_hgetall(redisClient *c); +void rl_hkeys(redisClient *c); +void rl_hvals(redisClient *c); +void rl_hlen(redisClient *c); + + +#define redisDebug(fmt, ...) \ + printf("DEBUG %s:%d > " fmt "\n", __FILE__, __LINE__, __VA_ARGS__) +#define redisDebugMark() \ + printf("-- MARK %s:%d --\n", __FILE__, __LINE__) + +#endif diff --git a/src/release.c b/src/release.c index 4676144..296db67 100644 --- a/src/release.c +++ b/src/release.c @@ -27,8 +27,8 @@ * POSSIBILITY OF SUCH DAMAGE. */ -/* Every time the Redis Git SHA1 or Dirty status changes only this file - * small file is recompiled, as we access this information in all the other +/* Every time the Redis Git SHA1 or Dirty status changes only this small + * file is recompiled, as we access this information in all the other * files using this functions. */ #include "release.h" diff --git a/src/replication.c b/src/replication.c index 720cd4c..13d571b 100644 --- a/src/replication.c +++ b/src/replication.c @@ -1,807 +1,834 @@ -/* Asynchronous replication implementation. - * - * Copyright (c) 2009-2012, Salvatore Sanfilippo - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * * Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * * Neither the name of Redis nor the names of its contributors may be used - * to endorse or promote products derived from this software without - * specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - - -#include "redis.h" - -#include -#include -#include -#include -#include - -/* ---------------------------------- MASTER -------------------------------- */ - -void replicationFeedSlaves(list *slaves, int dictid, robj **argv, int argc) { - listNode *ln; - listIter li; - int j; - - listRewind(slaves,&li); - while((ln = listNext(&li))) { - redisClient *slave = ln->value; - - /* Don't feed slaves that are still waiting for BGSAVE to start */ - if (slave->replstate == REDIS_REPL_WAIT_BGSAVE_START) continue; - - /* Feed slaves that are waiting for the initial SYNC (so these commands - * are queued in the output buffer until the intial SYNC completes), - * or are already in sync with the master. */ - if (slave->slaveseldb != dictid) { - robj *selectcmd; - - if (dictid >= 0 && dictid < REDIS_SHARED_SELECT_CMDS) { - selectcmd = shared.select[dictid]; - incrRefCount(selectcmd); - } else { - selectcmd = createObject(REDIS_STRING, - sdscatprintf(sdsempty(),"select %d\r\n",dictid)); - } - addReply(slave,selectcmd); - decrRefCount(selectcmd); - slave->slaveseldb = dictid; - } - addReplyMultiBulkLen(slave,argc); - for (j = 0; j < argc; j++) addReplyBulk(slave,argv[j]); - } -} - -void replicationFeedMonitors(redisClient *c, list *monitors, int dictid, robj **argv, int argc) { - listNode *ln; - listIter li; - int j, port; - sds cmdrepr = sdsnew("+"); - robj *cmdobj; - char ip[32]; - struct timeval tv; - - gettimeofday(&tv,NULL); - cmdrepr = sdscatprintf(cmdrepr,"%ld.%06ld ",(long)tv.tv_sec,(long)tv.tv_usec); - if (c->flags & REDIS_LUA_CLIENT) { - cmdrepr = sdscatprintf(cmdrepr,"[%d lua] ",dictid); - } else if (c->flags & REDIS_UNIX_SOCKET) { - cmdrepr = sdscatprintf(cmdrepr,"[%d unix:%s] ",dictid,server.unixsocket); - } else { - anetPeerToString(c->fd,ip,&port); - cmdrepr = sdscatprintf(cmdrepr,"[%d %s:%d] ",dictid,ip,port); - } - - for (j = 0; j < argc; j++) { - if (argv[j]->encoding == REDIS_ENCODING_INT) { - cmdrepr = sdscatprintf(cmdrepr, "\"%ld\"", (long)argv[j]->ptr); - } else { - cmdrepr = sdscatrepr(cmdrepr,(char*)argv[j]->ptr, - sdslen(argv[j]->ptr)); - } - if (j != argc-1) - cmdrepr = sdscatlen(cmdrepr," ",1); - } - cmdrepr = sdscatlen(cmdrepr,"\r\n",2); - cmdobj = createObject(REDIS_STRING,cmdrepr); - - listRewind(monitors,&li); - while((ln = listNext(&li))) { - redisClient *monitor = ln->value; - addReply(monitor,cmdobj); - } - decrRefCount(cmdobj); -} - -void syncCommand(redisClient *c) { - /* ignore SYNC if aleady slave or in monitor mode */ - if (c->flags & REDIS_SLAVE) return; - - /* Refuse SYNC requests if we are a slave but the link with our master - * is not ok... */ - if (server.masterhost && server.repl_state != REDIS_REPL_CONNECTED) { - addReplyError(c,"Can't SYNC while not connected with my master"); - return; - } - - /* SYNC can't be issued when the server has pending data to send to - * the client about already issued commands. We need a fresh reply - * buffer registering the differences between the BGSAVE and the current - * dataset, so that we can copy to other slaves if needed. */ - if (listLength(c->reply) != 0) { - addReplyError(c,"SYNC is invalid with pending input"); - return; - } - - redisLog(REDIS_NOTICE,"Slave ask for synchronization"); - /* Here we need to check if there is a background saving operation - * in progress, or if it is required to start one */ - if (server.rdb_child_pid != -1) { - /* Ok a background save is in progress. Let's check if it is a good - * one for replication, i.e. if there is another slave that is - * registering differences since the server forked to save */ - redisClient *slave; - listNode *ln; - listIter li; - - listRewind(server.slaves,&li); - while((ln = listNext(&li))) { - slave = ln->value; - if (slave->replstate == REDIS_REPL_WAIT_BGSAVE_END) break; - } - if (ln) { - /* Perfect, the server is already registering differences for - * another slave. Set the right state, and copy the buffer. */ - copyClientOutputBuffer(c,slave); - c->replstate = REDIS_REPL_WAIT_BGSAVE_END; - redisLog(REDIS_NOTICE,"Waiting for end of BGSAVE for SYNC"); - } else { - /* No way, we need to wait for the next BGSAVE in order to - * register differences */ - c->replstate = REDIS_REPL_WAIT_BGSAVE_START; - redisLog(REDIS_NOTICE,"Waiting for next BGSAVE for SYNC"); - } - } else { - /* Ok we don't have a BGSAVE in progress, let's start one */ - redisLog(REDIS_NOTICE,"Starting BGSAVE for SYNC"); - if (rdbSaveBackground(server.rdb_filename) != REDIS_OK) { - redisLog(REDIS_NOTICE,"Replication failed, can't BGSAVE"); - addReplyError(c,"Unable to perform background save"); - return; - } - c->replstate = REDIS_REPL_WAIT_BGSAVE_END; - } - c->repldbfd = -1; - c->flags |= REDIS_SLAVE; - c->slaveseldb = 0; - listAddNodeTail(server.slaves,c); - return; -} - -/* REPLCONF