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DPC stands for Deferred Procedure Call.

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Filip Navara 2005-07-17 12:24:15 +00:00
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reactos/doc/INTERNALS
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@ -33,7 +33,7 @@ DPCs
It is a design goal not to spend too much time in ISRs, for this reason
ISRs should postpone most processing till it can run at a lower IRQL. The
mechanism for this is a Delayed Procedure Call (DPC). When a DPC object is
mechanism for this is a Deferred Procedure Call (DPC). When a DPC object is
created, it is associated with a function. The DPC object can then be inserted
in the DPC queue from an ISR. If the IRQL on return from the ISR is less than
DISPATCH_LEVEL the DPC queue will be drained, otherwise this will happen when