(PHP 3>= 3.0.6, PHP 4 >= 4.0.0)

sem_release -- Release a semaphore


bool sem_release (int sem_identifier)

Returns: TRUE on success, FALSE on error.

sem_release() releases the semaphore if it is currently acquired by the calling process, otherwise a warning is generated.

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.