pthread_mutex_getprioceiling()

Get a mutex's priority ceiling

Synopsis:

#include <pthread.h>

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

Library:

libc

Description:

The pthread_mutex_getprioceiling() function returns the priority ceiling of mutex in prioceiling.

Returns:

EOK: Success.
EINVAL: The mutex specified by mutex doesn't currently exist.
EPERM: The calling thread doesn't have permission to get the priority ceiling.

Classification:

POSIX 1003.1 (Threads)

Safety:
Cancellation point	No
Interrupt handler	No
Signal handler	Yes
Thread	Yes

See also:

pthread_mutex_setprioceiling()