::: 디바이스드라이버 개발자 커뮤니티

공부하다가 기억해둘려고 기록합니다..^^

참고 : http://support.microsoft.com/kb/179254

   IoStartPacket(dvcObj, Irp)
   {
      if (dvcObj->DeviceQueue.Busy) {
         insert IRP on device queue
      } else {
         dvcObj->DeviceQueue.Busy = TRUE;
         dvcObj->CurrentIrp = Irp;
         call Start routine (dvcObj, news);
      }
   }

   IoStartNextPacket(dvcObj)
   {
      dvcObj->CurrentIrp = NULL;
      remove IRP from head of queue, store addr in newIrp
      if (queue was empty) {
         dvcObj->DeviceQueue.Busy = FALSE;
      } else {
         dvcObj->CurrentIrp = newIrp;
         call Start routine (dvcObj, newark);
      }
   }