Hal\MutaTesting\Runner\Process\ProcessManager::wait PHP Метод

    public function wait()
    {
        //        $process = new \Symfony\Component\Process\Process;
        $finished = false;
        while (!$finished) {
            foreach ($this->collection->all() as $n => $process) {
                $p = $process->process;
                $cb = $process->callback;
                if (!$p->isStarted() && $this->getNbRunning() < $this->max) {
                    $p->start();
                }
                if ($p->isTerminated()) {
                    $cb($p->getOutput());
                    $this->collection->remove($n);
                }
            }
            if ($this->getNbRunning() == 0) {
                $finished = true;
            }
            gc_collect_cycles();
            sleep(2);
        }
    }