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pthread: implement mutexattrs and mutex_{get,set}prioceiling #508

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pthread: implement mutexattrs and mutex_{get,set}prioceiling #508

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64ef230
sys/threads.h: declare mutexConsistent and mutexPrioCieiling syscalls
adamgreloch Jul 21, 2026
65abd14
pthread: implement mutexattrs and mutex_{get,set}prioceiling
adamgreloch Jul 21, 2026
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47 changes: 43 additions & 4 deletions include/pthread.h
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Original file line number Diff line number Diff line change
Expand Up @@ -35,9 +35,9 @@ extern "C" {
#define PTHREAD_EXPLICIT_SCHED 0
#define PTHREAD_INHERIT_SCHED 1

#define PTHREAD_PRIO_NONE 0
#define PTHREAD_PRIO_INHERIT 1
#define PTHREAD_PRIO_PROTECT 2
#define PTHREAD_PRIO_NONE PH_LOCK_PROTO_NOINHERIT
#define PTHREAD_PRIO_INHERIT PH_LOCK_PROTO_INHERIT
#define PTHREAD_PRIO_PROTECT PH_LOCK_PROTO_PRIOCEILING

#define PTHREAD_PROCESS_SHARED 0
#define PTHREAD_PROCESS_PRIVATE 1
Expand All @@ -52,6 +52,9 @@ extern "C" {
#define PTHREAD_MUTEX_RECURSIVE PH_LOCK_RECURSIVE
#define PTHREAD_MUTEX_DEFAULT PTHREAD_MUTEX_NORMAL

#define PTHREAD_MUTEX_STALLED 0
#define PTHREAD_MUTEX_ROBUST 1

#define PTHREAD_ONCE_INIT 1

#define PTHREAD_CANCEL_DISABLE 0
Expand Down Expand Up @@ -160,12 +163,24 @@ int pthread_mutex_destroy(pthread_mutex_t *);
int pthread_mutex_init(pthread_mutex_t *__restrict, const pthread_mutexattr_t *__restrict);


int pthread_mutex_getprioceiling(const pthread_mutex_t *__restrict mutex, int *__restrict prioceiling);


int pthread_mutex_setprioceiling(pthread_mutex_t *__restrict mutex, int prioceiling, int *__restrict old_ceiling);


int pthread_mutex_lock(pthread_mutex_t *);


int pthread_mutex_trylock(pthread_mutex_t *);


int pthread_mutex_timedlock(pthread_mutex_t *__restrict mutex, const struct timespec *__restrict abstime);


int pthread_mutex_consistent(pthread_mutex_t *mutex);


int pthread_mutex_unlock(pthread_mutex_t *);


Expand All @@ -175,7 +190,31 @@ int pthread_mutexattr_destroy(pthread_mutexattr_t *attr);
int pthread_mutexattr_init(pthread_mutexattr_t *attr);


int pthread_mutexattr_gettype(const pthread_mutexattr_t *attr, int *type);
int pthread_mutexattr_getprioceiling(const pthread_mutexattr_t *__restrict attr, int *__restrict prioceiling);


int pthread_mutexattr_setprioceiling(pthread_mutexattr_t *attr, int prioceiling);


int pthread_mutexattr_getprotocol(const pthread_mutexattr_t *__restrict attr, int *__restrict protocol);


int pthread_mutexattr_setprotocol(pthread_mutexattr_t *attr, int protocol);


int pthread_mutexattr_getpshared(const pthread_mutexattr_t *__restrict attr, int *__restrict pshared);


int pthread_mutexattr_setpshared(pthread_mutexattr_t *attr, int pshared);


int pthread_mutexattr_getrobust(const pthread_mutexattr_t *__restrict attr, int *__restrict robust);


int pthread_mutexattr_setrobust(pthread_mutexattr_t *attr, int robust);


int pthread_mutexattr_gettype(const pthread_mutexattr_t *__restrict attr, int *__restrict type);


int pthread_mutexattr_settype(pthread_mutexattr_t *attr, int type);
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6 changes: 6 additions & 0 deletions include/sys/threads.h
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Expand Up @@ -104,6 +104,12 @@ extern int mutexLock2(handle_t h1, handle_t h2);
extern int mutexTry(handle_t h);


extern int mutexConsistent(handle_t h);


extern int mutexPrioCeiling(handle_t h, int prioceiling);


extern int mutexUnlock(handle_t h);


Expand Down
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