Workerman\Worker::signalHandler PHP Method

    public static function signalHandler($signal)
    {
        switch ($signal) {
            // Stop.
            case SIGINT:
                self::stopAll();
                break;
                // Reload.
            // Reload.
            case SIGUSR1:
                self::$_pidsToRestart = self::getAllWorkerPids();
                self::reload();
                break;
                // Show status.
            // Show status.
            case SIGUSR2:
                self::writeStatisticsToStatusFile();
                break;
        }
    }