* Get a semaphore id * @link http://php.net/manual/en/function.sem-get.php * @param int $key * @param int $max_acquire [optional]

* The number of processes that can acquire the semaphore simultaneously * is set to max_acquire. *

* @param int $perm [optional]

* The semaphore permissions. Actually this value is * set only if the process finds it is the only process currently * attached to the semaphore. *

* @param int $auto_release [optional]

* Specifies if the semaphore should be automatically released on request * shutdown. *

* @return resource a positive semaphore identifier on success, or FALSE on * error. */ function sem_get ($key, $max_acquire = 1, $perm = 0666, $auto_release = 1) {} /** * (PHP 4, PHP 5)
* Acquire a semaphore * @link http://php.net/manual/en/function.sem-acquire.php * @param resource $sem_identifier

* sem_identifier is a semaphore resource, * obtained from sem_get. *

* @return bool TRUE on success or FALSE on failure. */ function sem_acquire ($sem_identifier) {} /** * (PHP 4, PHP 5)
* Release a semaphore * @link http://php.net/manual/en/function.sem-release.php * @param resource $sem_identifier

* A Semaphore resource handle as returned by * sem_get. *

* @return bool TRUE on success or FALSE on failure. */ function sem_release ($sem_identifier) {} /** * (PHP 4 >= 4.1.0, PHP 5)
* Remove a semaphore * @link http://php.net/manual/en/function.sem-remove.php * @param resource $sem_identifier

* A semaphore resource identifier as returned * by sem_get. *

* @return bool TRUE on success or FALSE on failure. */ function sem_remove ($sem_identifier) {} // End of sysvsem v. ?>