Semaphore Functions
PHP Manual

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.

After releasing the semaphore, sem_acquire may be called to re-acquire it.

Parameters

sem_identifier

A Semaphore resource handle as returned by sem_get.

Return Values

Returns TRUE on success or FALSE on failure.

See Also

  • sem_get
  • sem_acquire