Resque\Commands\Worker\Pause::execute PHP Метод

    protected function execute(InputInterface $input, OutputInterface $output)
    {
        $id = $input->getArgument('id');
        // Do a cleanup
        $worker = new Resque\Worker('*');
        $worker->cleanup();
        if ($id) {
            if (false === ($worker = Resque\Worker::hostWorker($id))) {
                $this->log('There is no worker with id "' . $id . '".', Resque\Logger::ERROR);
                return;
            }
            $workers = array($worker);
        } else {
            $workers = Resque\Worker::hostWorkers();
        }
        if (!count($workers)) {
            $this->log('<warn>There are no workers on this host.<warn>');
        }
        foreach ($workers as $worker) {
            if (posix_kill($worker->getPid(), SIGUSR2)) {
                $this->log('Worker <pop>' . $worker . '</pop> USR2 signal sent.');
            } else {
                $this->log('Worker <pop>' . $worker . '</pop> <error>could not send USR2 signal.</error>');
            }
        }
    }