protected function updateProcLine($status)
    {
        $status = $this->getProcessTitle($status);
        if (function_exists('cli_set_process_title') && PHP_OS !== 'Darwin') {
            cli_set_process_title($status);
            return;
        }

        if (function_exists('setproctitle')) {
            setproctitle($status);
        }
    }