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<?php
// Start of sysvsem v.
use JetBrains\PhpStorm\Internal\LanguageLevelTypeAware;
/**
* Get a semaphore id
* @link https://php.net/manual/en/function.sem-get.php
* @param int $key
* @param int $max_acquire [optional] <p>
* The number of processes that can acquire the semaphore simultaneously
* is set to <i>max_acquire</i>.
* </p>
* @param int $permissions [optional] <p>
* The semaphore permissions. Actually this value is
* set only if the process finds it is the only process currently
* attached to the semaphore.
* </p>
* @param bool $auto_release [optional] <p>
* Specifies if the semaphore should be automatically released on request
* shutdown.
* </p>
* @return resource|false|SysvSemaphore a positive semaphore identifier on success, or <b>FALSE</b> on
* error.
*/
#[LanguageLevelTypeAware(["8.0" => "SysvSemaphore|false"], default: "resource|false")]
function sem_get(int $key, int $max_acquire = 1, int $permissions = 0666, bool $auto_release = true) {}
/**
* Acquire a semaphore
* @link https://php.net/manual/en/function.sem-acquire.php
* @param SysvSemaphore|resource $semaphore <p>
* <i>sem_identifier</i> is a semaphore resource,
* obtained from <b>sem_get</b>.
* </p>
* @param bool $non_blocking [optional] <p>
* Specifies if the process shouldn't wait for the semaphore to be acquired.
* If set to <i>true</i>, the call will return <i>false</i> immediately if a
* semaphore cannot be immediately acquired.
* </p>
* @return bool <b>TRUE</b> on success or <b>FALSE</b> on failure.
*/
function sem_acquire(#[LanguageLevelTypeAware(["8.0" => "SysvSemaphore"], default: "resource")] $semaphore, bool $non_blocking = false): bool {}
/**
* Release a semaphore
* @link https://php.net/manual/en/function.sem-release.php
* @param SysvSemaphore|resource $semaphore <p>
* A Semaphore resource handle as returned by
* <b>sem_get</b>.
* </p>
* @return bool <b>TRUE</b> on success or <b>FALSE</b> on failure.
*/
function sem_release(#[LanguageLevelTypeAware(["8.0" => "SysvSemaphore"], default: "resource")] $semaphore): bool {}
/**
* Remove a semaphore
* @link https://php.net/manual/en/function.sem-remove.php
* @param SysvSemaphore|resource $semaphore <p>
* A semaphore resource identifier as returned
* by <b>sem_get</b>.
* </p>
* @return bool <b>TRUE</b> on success or <b>FALSE</b> on failure.
*/
function sem_remove(#[LanguageLevelTypeAware(["8.0" => "SysvSemaphore"], default: "resource")] $semaphore): bool {}
/**
* @since 8.0
*/
final class SysvSemaphore
{
/**
* Cannot directly construct SysvSemaphore, use sem_get() instead
* @see sem_get()
*/
private function __construct() {}
}
// End of sysvsem v.