private function resetProcessData()
    {
        $this->starttime = null;
        $this->callback = null;
        $this->exitcode = null;
        $this->fallbackStatus = [];
        $this->processInformation = null;
        $this->stdout = fopen('php://temp/maxmemory:'.(1024 * 1024), 'w+b');
        $this->stderr = fopen('php://temp/maxmemory:'.(1024 * 1024), 'w+b');
        $this->process = null;
        $this->latestSignal = null;
        $this->status = self::STATUS_READY;
        $this->incrementalOutputOffset = 0;
        $this->incrementalErrorOutputOffset = 0;
    }