_POSIX_THREAD_PRIO_PROTECT

POSIX Thread Priority Protection option. More...

Macros
#define	PTHREAD_PRIO_PROTECT   2
	Mutex protocol: owner runs at ceiling priority while holding the mutex.

Functions
int	pthread_mutex_getprioceiling (const pthread_mutex_t *ZRESTRICT mutex, int *ZRESTRICT prioceiling)
	Get the priority ceiling of a mutex.
int	pthread_mutex_setprioceiling (pthread_mutex_t *ZRESTRICT mutex, int prioceiling, int *ZRESTRICT old_ceiling)
	Set the priority ceiling of a mutex.
int	pthread_mutexattr_getprioceiling (const pthread_mutexattr_t *ZRESTRICT attr, int *ZRESTRICT prioceiling)
	Get the priority ceiling attribute of a mutex attributes object.
int	pthread_mutexattr_setprioceiling (pthread_mutexattr_t *attr, int prioceiling)
	Set the priority ceiling attribute of a mutex attributes object.

Detailed Description

POSIX Thread Priority Protection option.

Macro Definition Documentation

PTHREAD_PRIO_PROTECT

#define PTHREAD_PRIO_PROTECT   2

Mutex protocol: owner runs at ceiling priority while holding the mutex.

Definition at line 82 of file pthread.h.

Function Documentation

pthread_mutex_getprioceiling()

int pthread_mutex_getprioceiling	(	const pthread_mutex_t *ZRESTRICT	mutex,
		int *ZRESTRICT	prioceiling
	)

Get the priority ceiling of a mutex.

Parameters

mutex	Mutex to query.
prioceiling	Output: priority ceiling value.

Returns

0 on success, or a positive error number on failure.

See also

https://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_mutex_getprioceiling.html

pthread_mutex_setprioceiling()

int pthread_mutex_setprioceiling	(	pthread_mutex_t *ZRESTRICT	mutex,
		int	prioceiling,
		int *ZRESTRICT	old_ceiling
	)

Set the priority ceiling of a mutex.

Parameters

mutex	Mutex to update.
prioceiling	New priority ceiling value.
old_ceiling	Output: previous priority ceiling, or NULL.

Returns

0 on success, or a positive error number on failure.

See also

https://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_mutex_setprioceiling.html

pthread_mutexattr_getprioceiling()

int pthread_mutexattr_getprioceiling	(	const pthread_mutexattr_t *ZRESTRICT	attr,
		int *ZRESTRICT	prioceiling
	)

Get the priority ceiling attribute of a mutex attributes object.

Parameters

attr	Mutex attributes object.
prioceiling	Output: priority ceiling.

Returns

0 on success, or a positive error number on failure.

See also

https://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_mutexattr_getprioceiling.html

pthread_mutexattr_setprioceiling()

int pthread_mutexattr_setprioceiling	(	pthread_mutexattr_t *	attr,
		int	prioceiling
	)

Set the priority ceiling attribute of a mutex attributes object.

Parameters

attr	Mutex attributes object.
prioceiling	Priority ceiling value.

Returns

0 on success, or a positive error number on failure.

See also

https://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_mutexattr_setprioceiling.html