pthread_mutex_trylock()

Attempt to lock mutex

Synopsis:

#include <pthread.h>

int pthread_mutex_trylock( pthread_mutex_t* mutex );

Library:

libc

Description:

The pthread_mutex_trylock() function attempts to lock the mutex mutex, but doesn't block the calling thread if the mutex is already locked.

Returns:

EOK: Success.
EAGAIN: Insufficient resources available to lock the mutex.
EBUSY: The mutex was already locked.
EINVAL: Invalid mutex mutex.

Classification:

POSIX 1003.1 (Threads)

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

See also:

pthread_mutex_lock(), pthread_mutex_unlock()