WdfIoQueueStopAndPurgeSynchronously - NtDoc

Native API online documentation, based on the System Informer (formerly Process Hacker) phnt headers 
// wdfio.h

VOID WdfIoQueueStopAndPurgeSynchronously(
  [in] WDFQUEUE Queue
);
View the official Windows Driver Kit DDI reference

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Windows Driver Kit DDI reference (nf-wdfio-wdfioqueuestopandpurgesynchronously)

WdfIoQueueStopAndPurgeSynchronously function

Description

[Applies to KMDF and UMDF]

The WdfIoQueueStopAndPurgeSynchronously method prevents an I/O queue from delivering new I/O requests and causes the framework to cancel existing unprocessed requests and driver-owned cancellable requests, but the queue receives and stores new requests.

Parameters

Queue [in]

A handle to a framework queue object.

Remarks

This method returns after all the unprocessed and driver-owned requests (not including requests added to the queue after this call is made) are completed or canceled. If new requests are inserted while WdfIoQueueStopAndPurgeSynchronously is in progress, these new requests are not delivered until driver calls WdfIoQueueStart.

A bug check occurs if the driver supplies an invalid object handle.

See also

WdfIoQueueStopAndPurge

View the official Windows Driver Kit DDI reference

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