Skip to content

pthread: implement rwlocks #505

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
adamgreloch wants to merge 3 commits into
base: master
Choose a base branch
from
+349 −26
Open

pthread: implement rwlocks #505

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
683484f
pthread: set key_data_list to NULL after freeing
adamgreloch Jul 20, 2026
1423caa
pthread: implement pthread_testcancel
adamgreloch Jul 13, 2026
eca4cfd
pthread: implement rwlocks
adamgreloch Jul 13, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
33 changes: 28 additions & 5 deletions include/pthread.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -5,8 +5,8 @@
*
* pthread
*
* Copyright 2017-2018, 2019 Phoenix Systems
* Author: Pawel Pisarczyk, Michal Miroslaw, Marcin Baran
* Copyright 2017-2018, 2019, 2026 Phoenix Systems
* Author: Pawel Pisarczyk, Michal Miroslaw, Marcin Baran, Adam Greloch
*
* This file is part of Phoenix-RTOS.
*
Expand Down Expand Up @@ -45,8 +45,6 @@ extern "C" {
#define PTHREAD_SCOPE_PROCESS 0
#define PTHREAD_SCOPE_SYSTEM 1

#define PTHREAD_MUTEX_INITIALIZER { 0, 0 }

#define PTHREAD_MUTEX_NORMAL PH_LOCK_NORMAL
#define PTHREAD_MUTEX_ERRORCHECK PH_LOCK_ERRORCHECK
#define PTHREAD_MUTEX_RECURSIVE PH_LOCK_RECURSIVE
Expand All @@ -58,7 +56,11 @@ extern "C" {
#define PTHREAD_CANCEL_ENABLE 1
#define PTHREAD_CANCELED 2

#define PTHREAD_COND_INITIALIZER { 0, 0 }
/* clang-format off */
#define PTHREAD_MUTEX_INITIALIZER { 0, 0 }
#define PTHREAD_COND_INITIALIZER { 0, 0 }
#define PTHREAD_RWLOCK_INITIALIZER { 0 }
/* clang-format on */


int pthread_create(pthread_t *thread, const pthread_attr_t *attr, void *(*start_routine)(void *), void *arg);
Expand All @@ -76,6 +78,9 @@ int pthread_setcancelstate(int state, int *oldstate);
int pthread_cancel(pthread_t thread);


void pthread_testcancel(void);


pthread_t pthread_self(void);


Expand Down Expand Up @@ -276,9 +281,27 @@ int pthread_rwlock_unlock(pthread_rwlock_t *rwlock);
int pthread_rwlock_destroy(pthread_rwlock_t *rwlock);


int pthread_rwlock_timedrdlock(pthread_rwlock_t *__restrict__ rwlock, const struct timespec *__restrict__ abs_timeout);


int pthread_rwlock_timedwrlock(pthread_rwlock_t *__restrict__ rwlock, const struct timespec *__restrict__ abs_timeout);


int pthread_rwlock_init(pthread_rwlock_t *__restrict__ rwlock, const pthread_rwlockattr_t *__restrict__ attr);


int pthread_rwlockattr_destroy(pthread_rwlockattr_t *attr);


int pthread_rwlockattr_init(pthread_rwlockattr_t *attr);


int pthread_rwlockattr_getpshared(const pthread_rwlockattr_t *__restrict__ attr, int *__restrict__ pshared);


int pthread_rwlockattr_setpshared(pthread_rwlockattr_t *attr, int pshared);


#ifdef __cplusplus
}
#endif
Expand Down
16 changes: 13 additions & 3 deletions include/sys/types.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -54,10 +54,20 @@ typedef struct {
volatile int initialized;
} pthread_mutex_t;

/* TODO */
typedef int pthread_rwlock_t;
typedef struct {
handle_t lock;
handle_t readCond;
handle_t writeCond;
size_t readActive;
size_t writeActive;
size_t writeWaiting;
volatile int initialized;
} pthread_rwlock_t;
Comment thread
adamgreloch marked this conversation as resolved.


typedef int pthread_rwlockattr_t;
typedef struct {
int pshared;
} pthread_rwlockattr_t;


typedef struct lockAttr pthread_mutexattr_t;
Expand Down
Loading
Loading