PnpWaitForEmptyDeviceEventQueue

INT64 __fastcall PnpWaitForEmptyDeviceEventQueue(){
  INT64 result; 
  LODWORD(result) = KeWaitForSingleObject(&PnpEventQueueEmpty, Executive, 0, 0, 0i64);
  return result;
}

Referenced by:

IopInitializeBootDrivers
PipInitializeCoreDriversByGroup