PHP Manual
Prev |  | Next

# sem_release

(3.0.6 - 3.0.18 only, PHP 4 >= 4.0.0)

sem_release -- Release a semaphore

## Description

``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.

Prev | Home | Next
sem_acquire | Up | sem_remove