sem_release()

sem_release - Release a semaphore

Syntax

bool sem_release (resource $sem_identifier)

Arguments

• sem_identifier - A Semaphore resource handle as returned by sem_get().

Description

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

Version

PHP 4, 5

Return value

Returns TRUE on success or FALSE on failure.