PosCxClaimDevice - NtDoc
Native API online documentation, based on the System Informer
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headers
// poscx.h
NTSTATUS PosCxClaimDevice(
[in] WDFDEVICE device,
[in] WDFREQUEST request
);
View the official Windows Driver Kit DDI referenceNo description available.
PosCxClaimDevice is called to claim a device for exclusive use.
The caller should call PosCxReleaseDevice when the device is no longer needed.
If the device is already claimed, the caller must wait until access is granted.
device [in]A handle to a framework device object that represents the device.
request [in]A handle to a framework request object that represents the request. This request must come from a WDF IO queue.
Possible return values are:
| Value | Description |
|---|---|
| STATUS_SUCCESS | The device was successfully claimed. |
| STATUS_PENDING | The claim request was queued. |
| STATUS_DEVICE_NOT_READY | The PosCx library was not successfully initialized. |
| STATUS_ACCESS_DENIED | The current owner has retained device ownership. |