%PDF- %GIF98; %PNG;
Server : ApacheSystem : Linux host.digitalbabaji.in 4.18.0-513.11.1.el8_9.x86_64 #1 SMP Wed Jan 17 02:00:40 EST 2024 x86_64 User : addictionfreeind ( 1003) PHP Version : 7.2.34 Disable Function : exec,passthru,shell_exec,system Directory : /home/addictionfreeind/www/admin1/vendor/amphp/sync/src/ |
Upload File : |
<?php
namespace Amp\Sync;
use Amp\CallableMaker;
use Amp\Deferred;
use Amp\Promise;
use Amp\Success;
class LocalMutex implements Mutex
{
use CallableMaker; // kept for BC only
/** @var bool */
private $locked = false;
/** @var Deferred[] */
private $queue = [];
/** {@inheritdoc} */
public function acquire(): Promise
{
if (!$this->locked) {
$this->locked = true;
return new Success(new Lock(0, \Closure::fromCallable([$this, 'release'])));
}
$this->queue[] = $deferred = new Deferred;
return $deferred->promise();
}
private function release(): void
{
if (!empty($this->queue)) {
$deferred = \array_shift($this->queue);
$deferred->resolve(new Lock(0, \Closure::fromCallable([$this, 'release'])));
return;
}
$this->locked = false;
}
}