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