protected function emitError($code, $msg)
{
$this->_status = self::STATUS_CLOSING;
if ($this->onError) {
try {
call_user_func($this->onError, $this, $code, $msg);
} catch (\Exception $e) {
Worker::log($e);
exit(250);
} catch (\Error $e) {
Worker::log($e);
exit(250);
}
}
}