sem_release
(PHP 4, PHP 5, PHP 7)
sem_release — Release a semaphore
Description
sem_release ( SysvSemaphore $semaphore ) : bool
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
-
semaphore -
A Semaphore as returned by sem_get().
Return Values
Returns true on success or false on failure.
Changelog
| Version | Description |
|---|---|
| 8.0.0 | semaphore expects a SysvSemaphore instance now; previously, a resource was expected. |
See Also
- sem_get() - Get a semaphore id
- sem_acquire() - Acquire a semaphore
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Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/function.sem-release.php