Книга: Writing Windows WDM Device Drivers

Conclusion

Conclusion

This chapter has looked at how to write interrupt service routines. Any nonessential processing is best done in a Deferred Procedure Call (DPC) routine at a lower IRQL. A basic one-second interval timer can be used to detect device time-outs. Custom timers can be used with Custom DPCs to receive notification of other time-out periods.


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