C++ (Cpp) WDF_IO_TARGET_OPEN_PARAMS_INIT_REOPENの例

コード例 #1

ファイル: toastmon.c プロジェクト: kcrazy/winekit

VOID
ToastMon_EvtIoTargetRemoveCanceled(
    WDFIOTARGET IoTarget
    )
/*++

Routine Description:

    Called when the Target device received IRP_MN_CANCEL_REMOVE.
    This happens if another app or driver talking to the target
    device doesn't close handle or veto query-remove notification.

Arguments:

    IoTarget -

Return Value:


--*/
{
    PTARGET_DEVICE_INFO         targetDeviceInfo = NULL;
    WDF_IO_TARGET_OPEN_PARAMS   openParams;
    NTSTATUS status;

    PAGED_CODE();

    KdPrint((("Device Removal (remove cancelled) Notification\n")));

    targetDeviceInfo = GetTargetDeviceInfo(IoTarget);

    //
    // Reopen the Target.
    //
    WDF_IO_TARGET_OPEN_PARAMS_INIT_REOPEN(&openParams);

    status = WdfIoTargetOpen(IoTarget, &openParams);

    if (!NT_SUCCESS(status)) {
        KdPrint(("WdfIoTargetOpen failed 0x%x\n", status));
        WdfObjectDelete(IoTarget);
        return;
    }

    //
    // Restart the timer.
    //
    WdfTimerStart(targetDeviceInfo->TimerForPostingRequests,
                                        WDF_REL_TIMEOUT_IN_SEC(1));

}

コード例 #2

ファイル: toastmon.c プロジェクト: CM44/Windows-driver-samples

VOID
ToastMon_EvtIoTargetRemoveCanceled(
    WDFIOTARGET IoTarget
    )
/*++

Routine Description:

    Called when the Target device received IRP_MN_CANCEL_REMOVE.
    This happens if another app or driver talking to the target
    device doesn't close handle or veto query-remove notification.

Arguments:

    IoTarget -

Return Value:


--*/
{
    PTARGET_DEVICE_INFO         targetDeviceInfo = NULL;
    WDFWAITLOCK                 targetDeviceCollectionLock;
    WDF_IO_TARGET_OPEN_PARAMS   openParams;
    NTSTATUS status;

    PAGED_CODE();

    KdPrint((("Device Removal (remove cancelled) Notification\n")));

    targetDeviceInfo = GetTargetDeviceInfo(IoTarget);

    //
    // Reopen the Target.
    //
    WDF_IO_TARGET_OPEN_PARAMS_INIT_REOPEN(&openParams);

    status = WdfIoTargetOpen(IoTarget, &openParams);

    if (!NT_SUCCESS(status)) {
        KdPrint(("WdfIoTargetOpen failed 0x%x\n", status));
        WdfObjectDelete(IoTarget);
        return;
    }

    targetDeviceCollectionLock = targetDeviceInfo->DeviceExtension->TargetDeviceCollectionLock;

    //
    // The query remove has failed and the target has been successfully reopened. Set Opened
    // back to TRUE to reflect the state change.
    //
    WdfWaitLockAcquire(targetDeviceCollectionLock, NULL);
    targetDeviceInfo->Opened = TRUE;
    WdfWaitLockRelease(targetDeviceCollectionLock);


    //
    // Restart the timer.
    //
    WdfTimerStart(targetDeviceInfo->TimerForPostingRequests,
                                        WDF_REL_TIMEOUT_IN_SEC(1));

}