pthread_mutex_trylock
- attempt to lock a mutex without blocking
LIBRARY
Lb libpthread
SYNOPSIS
#include <pthread.h> int
pthread_mutex_trylock (pthread_mutex_t *mutex);
DESCRIPTION
The
pthread_mutex_trylock ();
function locks
Fa mutex .
If the mutex is already locked,
pthread_mutex_trylock ();
will not block waiting for the mutex, but will return an error condition.
RETURN VALUES
If successful,
pthread_mutex_trylock ();
will return zero, otherwise an error number will be returned to
indicate the error.
ERRORS
The
pthread_mutex_trylock ();
function will fail if:
