Manual do PHP
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# sem_release

(PHP 3>= 3.0.6, PHP 4 )

sem_release -- Release a semaphore

## Description

bool sem_release ( int sem_identifier)

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

Retorna `TRUE` em caso de sucesso ou `FALSE` em falhas.

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

See also sem_get() and sem_acquire().

> Nota: This function does not work on Windows systems.

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