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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Mutex; |
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use ErrorException; |
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use Throwable; |
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use Yiisoft\Mutex\Exception\MutexLockedException; |
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use function error_reporting; |
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use function restore_error_handler; |
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use function set_error_handler; |
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/** |
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* Executes a callback in synchronized mode, i.e. only a single instance of the callback is executed at the same time: |
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* |
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* ```php |
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* $synchronizer = new \Yiisoft\Mutex\Synchronizer(new MyMutexFactory()); |
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* |
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* $newCount = $synchronizer->execute('critical_logic', function () { |
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* return $counter->increase(); |
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* }, 10); |
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* ``` |
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*/ |
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final class Synchronizer |
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{ |
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private MutexFactoryInterface $mutexFactory; |
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public function __construct(MutexFactoryInterface $mutexFactory) |
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{ |
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$this->mutexFactory = $mutexFactory; |
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} |
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/** |
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* Executes a PHP callable with a lock and returns the result. |
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* |
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* @param string $name Name of the mutex to acquire. |
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* @param callable $callback PHP callable to execution. |
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* @param int $timeout Time (in seconds) to wait for lock to be released. Defaults to zero meaning that |
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* method {@see MutexInterface::acquire()} will return false immediately in case lock was already acquired. |
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* |
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* @throws MutexLockedException If unable to acquire lock. |
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* @throws Throwable If an error occurred during the execution of the PHP callable. |
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* |
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* @return mixed The result of the PHP callable execution. |
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*/ |
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public function execute(string $name, callable $callback, int $timeout = 0) |
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{ |
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$mutex = $this->mutexFactory->createAndAcquire($name, $timeout); |
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set_error_handler(static function (int $severity, string $message, string $file, int $line): bool { |
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1 |
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if (!(error_reporting() & $severity)) { |
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// This error code is not included in error_reporting. |
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return true; |
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} |
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1 |
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throw new ErrorException($message, $severity, $severity, $file, $line); |
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}); |
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try { |
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/** @var mixed $result */ |
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return $callback(); |
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} finally { |
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3 |
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restore_error_handler(); |
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$mutex->release(); |
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} |
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} |
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} |
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yiisoft /
mutex
