(PHP 3>= 3.0.6, PHP 4 , PHP 5)
sem_release -- Release a semaphore
Description
bool
sem_release ( resource sem_identifier)
sem_release() releases the semaphore if it
is currently acquired by the calling process, otherwise
a warning is generated.
Returns TRUE on success or FALSE on failure.
After releasing the semaphore, sem_acquire()
may be called to re-acquire it.
See also
sem_get() and
sem_acquire().
