sem_release
(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.
Возвращает TRUE в случае успешного завершения, FALSE в случае возникновения ошибки.
After releasing the semaphore, sem_acquire() may be called to re-acquire it.
Смотрите также sem_get() and sem_acquire().