Alex\BehatLauncher\Command\RunCommand::execute PHP Method

    public function execute(InputInterface $input, OutputInterface $output)
    {
        $workspace = $this->getApplication()->getWorkspace();
        $workspace->setOutput($output);
        if (function_exists('pcntl_signal')) {
            declare (ticks=1);
            $sigHandler = function () use($workspace) {
                $workspace->finish();
                exit;
            };
            pcntl_signal(SIGQUIT, $sigHandler);
            pcntl_signal(SIGTERM, $sigHandler);
            pcntl_signal(SIGINT, $sigHandler);
            pcntl_signal(SIGHUP, $sigHandler);
            pcntl_signal(SIGUSR1, $sigHandler);
        }
        $stopOnFinish = $input->getOption('stop-on-finish');
        $timeToQuery = $input->getOption('time-to-query');
        $countRunning = 0;
        $currTime = $timeToQuery;
        $gcCycles = 100;
        do {
            $countRunning = $workspace->tick(true);
            $hasRunning = $countRunning;
            while (($hasRunning || !$stopOnFinish) && $currTime > 0) {
                usleep(100000);
                $currTime -= 0.1;
                $hasRunning = $workspace->tick();
            }
            $currTime = $timeToQuery;
            $gcCycles--;
            if ($gcCycles === 0) {
                gc_collect_cycles();
                $gcCycles = 100;
            }
        } while (!$stopOnFinish || $countRunning);
    }