GrumPHP\Configuration\GrumPHP::getProcessAsyncLimit PHP Метод

    public function getProcessAsyncLimit()
    {
        return (int) $this->container->getParameter('process_async_limit');
    }

 /**
  * @return bool
  */
 private function handleProcess(Process $process)
 {
     if ($process->isStarted()) {
         if ($process->isTerminated()) {
             $this->running--;
             return true;
         }
         return false;
     }
     // Only start a new process if we haven't reached the limit yet.
     if ($this->running < $this->config->getProcessAsyncLimit()) {
         $process->start();
         $this->running++;
     }
     return false;
 }