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AbstractLockMutex.php

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AbstractLockMutex.php

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<?php
declare(strict_types=1);
namespace Malkusch\Lock\Mutex;
use Malkusch\Lock\Exception\LockAcquireException;
use Malkusch\Lock\Exception\LockReleaseException;
/**
* Locking mutex.
*
* @internal
*/
abstract class AbstractLockMutex extends AbstractMutex
{
/**
* Acquires the lock.
*
* This method blocks until the lock was acquired.
*
* @throws LockAcquireException The lock could not be acquired
*/
abstract protected function lock(): void;
/**
* Releases the lock.
*
* @throws LockReleaseException The lock could not be released
*/
abstract protected function unlock(): void;
#[\Override]
public function synchronized(callable $code)
{
$this->lock();
$codeResult = null;
$codeException = null;
try {
$codeResult = $code();
} catch (\Throwable $exception) {
$codeException = $exception;
throw $exception;
} finally {
try {
$this->unlock();
} catch (LockReleaseException $lockReleaseException) {
$lockReleaseException->setCodeResult($codeResult);
if ($codeException !== null) {
$lockReleaseException->setCodeException($codeException);
}
throw $lockReleaseException;
}
}
return $codeResult;
}
}
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