sem_release

(PHP 4, PHP 5, PHP 7)

sem_release — Release a semaphore

Description

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() - Get a semaphore id

• sem_acquire() - Acquire a semaphore

← sem_get

sem_remove →

Licensed under the Creative Commons Attribution License v3.0 or later.

https://secure.php.net/manual/en/function.sem-release.php