WdfDeviceGetDefaultQueue method
[Applies to KMDF and UMDF]
The WdfDeviceGetDefaultQueue method returns a handle to a device's default I/O queue.
Syntax
WDFQUEUE WdfDeviceGetDefaultQueue(
[in] WDFDEVICE Device
);
Parameters
- Device [in]
-
A handle to a framework device object.
Return value
If the operation succeeds, the method returns a handle to a framework queue object. If the driver did not create a default I/O queue for the device, the method returns NULL.
A bug check occurs if the driver supplies an invalid object handle.
Remarks
For more information about default I/O queues, see Creating I/O Queues.
Examples
The following code example obtains a handle to a device's default I/O queue.
WDFQUEUE DefaultQueue; DefaultQueue = WdfDeviceGetDefaultQueue(Device);
Requirements
|
Minimum KMDF version | 1.0 |
|---|---|
|
Minimum UMDF version | 2.0 |
|
Header |
|
|
Library |
|
|
IRQL | <= DISPATCH_LEVEL |
|
DDI compliance rules | DriverCreate, KmdfIrql, KmdfIrql2 |
Show:
