sem_release

(PHP 3>= 3.0.6, PHP 4 )

sem_release -- Release a semaphore

Description

bool sem_release ( int 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().

Note: This function does not work on Windows systems.