Aerys\Process::stop PHP Метод

    public function stop() : \Generator
    {
        try {
            switch ($this->state) {
                case self::STOPPED:
                case self::STOPPING:
                    return;
                case self::STARTED:
                    break;
            }
            $this->state = self::STOPPING;
            yield from $this->doStop();
        } catch (\Throwable $uncaught) {
            $this->exitCode = 1;
            $this->logger->critical($uncaught);
        } finally {
            static::exit();
        }
    }