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C++ IoGetRelatedDeviceObject函数代码示例

本文整理汇总了C++中IoGetRelatedDeviceObject函数的典型用法代码示例。如果您正苦于以下问题：C++ IoGetRelatedDeviceObject函数的具体用法？C++ IoGetRelatedDeviceObject怎么用？C++ IoGetRelatedDeviceObject使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。


在下文中一共展示了IoGetRelatedDeviceObject函数的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: TdiDisconnect

NTSTATUS
	TdiDisconnect(
		PFILE_OBJECT ConnectionObject
		)
{
	NTSTATUS	ntStatus;
    KEVENT		Event; 
	PIRP		Irp;
    PDEVICE_OBJECT DeviceObject = IoGetRelatedDeviceObject(ConnectionObject);
    IO_STATUS_BLOCK IoStatus;

	KeInitializeEvent(&Event, NotificationEvent, FALSE);

    if (!(Irp = TdiBuildInternalDeviceControlIrp(TDI_DISCONNECT, DeviceObject, ConnectionObject, &Event, &IoStatus)))
		return STATUS_INSUFFICIENT_RESOURCES;

    TdiBuildDisconnect(Irp, DeviceObject, ConnectionObject, 0, 0, 0, TDI_DISCONNECT_RELEASE, 0, 0);

    ntStatus = IoCallDriver(DeviceObject, Irp);

    if (ntStatus == STATUS_PENDING)
        ntStatus = KeWaitForSingleObject(&Event, UserRequest, KernelMode, FALSE, 0);

    return(ntStatus == STATUS_SUCCESS ? IoStatus.Status : ntStatus);

}
开发者ID:0x00dec0de，项目名称:Rovnix，代码行数:26，代码来源:tdi.c

示例2: TdiSetEventHandler

NTSTATUS
	TdiSetEventHandler(
		PFILE_OBJECT	AddressObject,
		LONG			EventType, 
		PVOID			EventHandler,
		PVOID			EventContext
		)
{
	NTSTATUS	ntStatus;
    KEVENT		Event; 
	PIRP		Irp;
    PDEVICE_OBJECT	DeviceObject = IoGetRelatedDeviceObject(AddressObject);
	IO_STATUS_BLOCK IoStatus;
    
	KeInitializeEvent(&Event, NotificationEvent, FALSE);

    if (!(Irp = TdiBuildInternalDeviceControlIrp(TDI_SET_EVENT_HANDLER, DeviceObject, AddressObject, &Event, &IoStatus)))
		return STATUS_INSUFFICIENT_RESOURCES;

    TdiBuildSetEventHandler(Irp, DeviceObject, AddressObject, 0, 0, EventType, EventHandler, EventContext);

    ntStatus = IoCallDriver(DeviceObject, Irp);

    if (ntStatus == STATUS_PENDING)
        ntStatus = KeWaitForSingleObject(&Event, UserRequest, KernelMode, FALSE, 0);

    return(ntStatus == STATUS_SUCCESS ? IoStatus.Status : ntStatus);
}
开发者ID:0x00dec0de，项目名称:Rovnix，代码行数:28，代码来源:tdi.c

示例3: TdiQueryAddress

NTSTATUS
	TdiQueryAddress(
		PFILE_OBJECT		AddressObject, 
		PTDI_ADDRESS_INFO	AddressInfo,
		PULONG				pInfoLength
		)
{
	NTSTATUS	ntStatus;
	PIRP		Irp;
	PMDL		Mdl;
    PDEVICE_OBJECT	DeviceObject = IoGetRelatedDeviceObject(AddressObject);
    IO_STATUS_BLOCK IoStatus;

    if (!(Irp = TdiBuildInternalDeviceControlIrp(TDI_QUERY_INFORMATION, DeviceObject, FileObject, NULL, &IoStatus)))
		return STATUS_INSUFFICIENT_RESOURCES;

	if (!(Mdl = IoAllocateMdl(AddressInfo, *pInfoLength, FALSE, FALSE, Irp)))
	{
		IoFreeIrp(Irp);
		return STATUS_INSUFFICIENT_RESOURCES;
	}

	MmProbeAndLockPages(Mdl, KernelMode, IoModifyAccess);

    TdiBuildQueryInformation(Irp, DeviceObject, AddressObject, NULL, NULL, TDI_QUERY_ADDRESS_INFO, Mdl);

    ntStatus = IoCallDriver(DeviceObject, Irp);

    return(ntStatus == STATUS_SUCCESS ? IoStatus.Status : ntStatus);

}
开发者ID:0x00dec0de，项目名称:Rovnix，代码行数:31，代码来源:tdi.c

示例4: EVhdGetQosStatusDisk

NTSTATUS EVhdGetQosStatusDisk(ParserInstance *parser, PVOID pSystemBuffer, ULONG32 dwSize, QoSStatusCompletionRoutine pfnCompletionCb, PVOID pInterface)
{
	PDEVICE_OBJECT pDeviceObject = NULL;
	parser->pQoSStatusInterface = pInterface;
	parser->pfnQoSStatusCallback = pfnCompletionCb;
	memmove(parser->pQoSStatusBuffer, pSystemBuffer, dwSize);

	IoReuseIrp(parser->pQoSStatusIrp, STATUS_PENDING);
	parser->pQoSStatusIrp->Tail.Overlay.Thread = (PETHREAD)__readgsqword(0x188);				// Pointer to calling thread control block
	parser->pQoSStatusIrp->AssociatedIrp.SystemBuffer = parser->pQoSStatusBuffer;				// IO buffer for buffered control code
	PIO_STACK_LOCATION pStackFrame = IoGetNextIrpStackLocation(parser->pQoSStatusIrp);
	pDeviceObject = IoGetRelatedDeviceObject(parser->pVhdmpFileObject);
	pStackFrame->FileObject = parser->pVhdmpFileObject;
	pStackFrame->DeviceObject = pDeviceObject;
	pStackFrame->Parameters.DeviceIoControl.IoControlCode = IOCTL_STORAGE_VHD_GET_QOS_STATUS;
	pStackFrame->Parameters.DeviceIoControl.InputBufferLength = dwSize;
	pStackFrame->Parameters.DeviceIoControl.OutputBufferLength = 0x58;
	pStackFrame->MajorFunction = IRP_MJ_DEVICE_CONTROL;
	pStackFrame->MinorFunction = 0;
	pStackFrame->Flags = 0;
	pStackFrame->Control = SL_INVOKE_ON_CANCEL | SL_INVOKE_ON_SUCCESS | SL_INVOKE_ON_ERROR;
	pStackFrame->Context = parser;
	pStackFrame->CompletionRoutine = EvhdGetQosStatusCompletionRoutine;
	IoCallDriver(pDeviceObject, parser->pQoSStatusIrp);
	return STATUS_PENDING;
}
开发者ID:the-alien，项目名称:evhdparser，代码行数:26，代码来源:parser.c

示例5: tdi_disconnect

NTSTATUS tdi_disconnect(PFILE_OBJECT connectionFileObject, ULONG flags)
{
    PDEVICE_OBJECT  devObj;
    KEVENT          event;
    PIRP            irp;
    IO_STATUS_BLOCK iosb;
    NTSTATUS        status;

    devObj = IoGetRelatedDeviceObject(connectionFileObject);

    KeInitializeEvent(&event, NotificationEvent, FALSE);

    irp = TdiBuildInternalDeviceControlIrp(TDI_DISCONNECT, devObj, connectionFileObject, &event, &iosb);

    if (irp == NULL)
    {
        return STATUS_INSUFFICIENT_RESOURCES;
    }

    TdiBuildDisconnect(irp, devObj, connectionFileObject, NULL, NULL, NULL, flags, NULL, NULL);

    status = IoCallDriver(devObj, irp);

    if (status == STATUS_PENDING)
    {
        KeWaitForSingleObject(&event, Executive, KernelMode, FALSE, NULL);
        status = iosb.Status;
    }

    return status;
}
开发者ID:baselsayeh，项目名称:winvblock，代码行数:31，代码来源:ktdi.c

示例6: EVhdNotifyRecoveryStatus

NTSTATUS EVhdNotifyRecoveryStatus(ParserInstance *parser, RecoveryStatusCompletionRoutine pfnCompletionCb, void *pInterface)
{
	PDEVICE_OBJECT pDeviceObject = NULL;
	if (parser->bResiliencyEnabled)
	{
		if (!ExAcquireRundownProtection(&parser->RecoveryRundownProtection))
			return STATUS_UNSUCCESSFUL;

		parser->pfnRecoveryStatusCallback = pfnCompletionCb;
		parser->pRecoveryStatusInterface = pInterface;

		IoReuseIrp(parser->pRecoveryStatusIrp, STATUS_PENDING);
		parser->pRecoveryStatusIrp->Tail.Overlay.Thread = (PETHREAD)__readgsqword(0x188);				// Pointer to calling thread control block
		PIO_STACK_LOCATION pStackFrame = IoGetNextIrpStackLocation(parser->pRecoveryStatusIrp);
		pDeviceObject = IoGetRelatedDeviceObject(parser->pVhdmpFileObject);
		pStackFrame->FileObject = parser->pVhdmpFileObject;
		pStackFrame->DeviceObject = pDeviceObject;
		pStackFrame->Parameters.DeviceIoControl.IoControlCode = IOCTL_STORAGE_VHD_NOTIFY_RECOVERY_STATUS;
		pStackFrame->Parameters.DeviceIoControl.InputBufferLength = 0;
		pStackFrame->Parameters.DeviceIoControl.OutputBufferLength = 0;
		pStackFrame->MajorFunction = IRP_MJ_DEVICE_CONTROL;
		pStackFrame->MinorFunction = 0;
		pStackFrame->Flags = 0;
		pStackFrame->Control = SL_INVOKE_ON_CANCEL | SL_INVOKE_ON_SUCCESS | SL_INVOKE_ON_ERROR;
		pStackFrame->Context = parser;
		pStackFrame->CompletionRoutine = EvhdRecoveryStatusCompletionRoutine;
		IoCallDriver(pDeviceObject, parser->pRecoveryStatusIrp);
		return STATUS_PENDING;
	}
	else
		return STATUS_UNSUCCESSFUL;
}
开发者ID:the-alien，项目名称:evhdparser，代码行数:32，代码来源:parser.c

示例7: tdi_recv_stream

NTSTATUS tdi_recv_stream(PFILE_OBJECT connectionFileObject, char *buf, int len, ULONG flags)
{
    PDEVICE_OBJECT  devObj;
    KEVENT          event;
    PIRP            irp;
    PMDL            mdl;
    IO_STATUS_BLOCK iosb;
    NTSTATUS        status;

    devObj = IoGetRelatedDeviceObject(connectionFileObject);

    KeInitializeEvent(&event, NotificationEvent, FALSE);

    irp = TdiBuildInternalDeviceControlIrp(TDI_RECEIVE, devObj, connectionFileObject, &event, &iosb);

    if (irp == NULL)
    {
        return STATUS_INSUFFICIENT_RESOURCES;
    }

    if (len)
    {
        mdl = IoAllocateMdl((void*) buf, len, FALSE, FALSE, NULL);

        if (mdl == NULL)
        {
            IoFreeIrp(irp);
            return STATUS_INSUFFICIENT_RESOURCES;
        }

        __try
        {
            MmProbeAndLockPages(mdl, KernelMode, IoWriteAccess);
            status = STATUS_SUCCESS;
        }
        __except (EXCEPTION_EXECUTE_HANDLER)
        {
            IoFreeMdl(mdl);
            IoFreeIrp(irp);
            status = STATUS_INVALID_USER_BUFFER;
        }

        if (!NT_SUCCESS(status))
        {
            return status;
        }
    }

    TdiBuildReceive(irp, devObj, connectionFileObject, NULL, NULL, len ? mdl : 0, flags, len);

    status = IoCallDriver(devObj, irp);

    if (status == STATUS_PENDING)
    {
        KeWaitForSingleObject(&event, Executive, KernelMode, FALSE, NULL);
        status = iosb.Status;
    }

    return NT_SUCCESS(status) ? iosb.Information : status;
}
开发者ID:baselsayeh，项目名称:winvblock，代码行数:60，代码来源:ktdi.c

示例8: EvhdDirectIoControl

static NTSTATUS EvhdDirectIoControl(ParserInstance *parser, ULONG ControlCode, PVOID pSystemBuffer, ULONG InputBufferSize,
	ULONG OutputBufferSize)
{
	NTSTATUS status = STATUS_SUCCESS;
	PDEVICE_OBJECT pDeviceObject = NULL;
	KeEnterCriticalRegion();
	FltAcquirePushLockExclusive(&parser->DirectIoPushLock);

	IoReuseIrp(parser->pDirectIoIrp, STATUS_PENDING);
	parser->pDirectIoIrp->Flags |= IRP_NOCACHE;
	parser->pDirectIoIrp->Tail.Overlay.Thread = (PETHREAD)__readgsqword(0x188);		// Pointer to calling thread control block
	parser->pDirectIoIrp->AssociatedIrp.SystemBuffer = pSystemBuffer;				// IO buffer for buffered control code
	// fill stack frame parameters for synchronous IRP call
	PIO_STACK_LOCATION pStackFrame = IoGetNextIrpStackLocation(parser->pDirectIoIrp);
	pDeviceObject = IoGetRelatedDeviceObject(parser->pVhdmpFileObject);
	pStackFrame->FileObject = parser->pVhdmpFileObject;
	pStackFrame->DeviceObject = pDeviceObject;
	pStackFrame->Parameters.DeviceIoControl.IoControlCode = ControlCode;
	pStackFrame->Parameters.DeviceIoControl.InputBufferLength = InputBufferSize;
	pStackFrame->Parameters.DeviceIoControl.OutputBufferLength = OutputBufferSize;
	pStackFrame->MajorFunction = IRP_MJ_DEVICE_CONTROL;
	pStackFrame->MinorFunction = 0;
	pStackFrame->Flags = 0;
	pStackFrame->Control = 0;
	IoSynchronousCallDriver(pDeviceObject, parser->pDirectIoIrp);
	status = parser->pDirectIoIrp->IoStatus.Status;
	FltReleasePushLock(&parser->DirectIoPushLock);
	KeLeaveCriticalRegion();
	return status;
}
开发者ID:the-alien，项目名称:evhdparser，代码行数:30，代码来源:parser.c

示例9: CcMdlWriteComplete

VOID
CcMdlWriteComplete (
    IN PFILE_OBJECT FileObject,
    IN PLARGE_INTEGER FileOffset,
    IN PMDL MdlChain
    )

{
    PDEVICE_OBJECT DeviceObject;
    PFAST_IO_DISPATCH FastIoDispatch;

    DeviceObject = IoGetRelatedDeviceObject( FileObject );
    FastIoDispatch = DeviceObject->DriverObject->FastIoDispatch;

    if ((FastIoDispatch != NULL) &&
        (FastIoDispatch->SizeOfFastIoDispatch > FIELD_OFFSET(FAST_IO_DISPATCH, MdlWriteComplete)) &&
        (FastIoDispatch->MdlWriteComplete != NULL) &&
        FastIoDispatch->MdlWriteComplete( FileObject, FileOffset, MdlChain, DeviceObject )) {

        NOTHING;

    } else {
        CcMdlWriteComplete2( FileObject, FileOffset, MdlChain );
    }
}
开发者ID:chunhualiu，项目名称:OpenNT，代码行数:25，代码来源:mdlsup.c

示例10: tdi_set_event_handler

NTSTATUS tdi_set_event_handler(PFILE_OBJECT addressFileObject, LONG eventType, PVOID eventHandler, PVOID eventContext)
{
    PDEVICE_OBJECT  devObj;
    KEVENT          event;
    PIRP            irp;
    IO_STATUS_BLOCK iosb;
    NTSTATUS        status;

    devObj = IoGetRelatedDeviceObject(addressFileObject);

    KeInitializeEvent(&event, NotificationEvent, FALSE);

    irp = TdiBuildInternalDeviceControlIrp(TDI_SET_EVENT_HANDLER, devObj, addressFileObject, &event, &iosb);

    if (irp == NULL)
    {
        return STATUS_INSUFFICIENT_RESOURCES;
    }

    TdiBuildSetEventHandler(irp, devObj, addressFileObject, NULL, NULL, eventType, eventHandler, eventContext);

    status = IoCallDriver(devObj, irp);

    if (status == STATUS_PENDING)
    {
        KeWaitForSingleObject(&event, Executive, KernelMode, FALSE, NULL);
        status = iosb.Status;
    }

    return status;
}
开发者ID:baselsayeh，项目名称:winvblock，代码行数:31，代码来源:ktdi.c

示例11: tdi_associate_address

NTSTATUS tdi_associate_address(PFILE_OBJECT connectionFileObject, HANDLE addressHandle)
{
    PDEVICE_OBJECT  devObj;
    KEVENT          event;
    PIRP            irp;
    IO_STATUS_BLOCK iosb;
    NTSTATUS        status;

    devObj = IoGetRelatedDeviceObject(connectionFileObject);

    KeInitializeEvent(&event, NotificationEvent, FALSE);

    irp = TdiBuildInternalDeviceControlIrp(TDI_ASSOCIATE_ADDRESS, devObj, connectionFileObject, &event, &iosb);

    if (irp == NULL)
    {
        return STATUS_INSUFFICIENT_RESOURCES;
    }

    TdiBuildAssociateAddress(irp, devObj, connectionFileObject, NULL, NULL, addressHandle);

    status = IoCallDriver(devObj, irp);

    if (status == STATUS_PENDING)
    {
        KeWaitForSingleObject(&event, Executive, KernelMode, FALSE, NULL);
        status = iosb.Status;
    }

    return status;
}
开发者ID:baselsayeh，项目名称:winvblock，代码行数:31，代码来源:ktdi.c

示例12: TdiSetEventHandler

NTSTATUS TdiSetEventHandler(
    PFILE_OBJECT FileObject,
    LONG EventType,
    PVOID Handler,
    PVOID Context)
/*
 * FUNCTION: Sets or resets an event handler
 * ARGUMENTS:
 *     FileObject = Pointer to file object
 *     EventType  = Event code
 *     Handler    = Event handler to be called when the event occurs
 *     Context    = Context input to handler when the event occurs
 * RETURNS:
 *     Status of operation
 * NOTES:
 *     Specify NULL for Handler to stop calling event handler
 */
{
    PDEVICE_OBJECT DeviceObject;
    IO_STATUS_BLOCK Iosb;
    KEVENT Event;
    PIRP Irp;

    AFD_DbgPrint(MAX_TRACE, ("Called\n"));

    if (!FileObject) {
        AFD_DbgPrint(MIN_TRACE, ("Bad file object.\n"));
        return STATUS_INVALID_PARAMETER;
    }

    DeviceObject = IoGetRelatedDeviceObject(FileObject);
    if (!DeviceObject) {
        AFD_DbgPrint(MIN_TRACE, ("Bad device object.\n"));
        return STATUS_INVALID_PARAMETER;
    }

    KeInitializeEvent(&Event, NotificationEvent, FALSE);

    Irp = TdiBuildInternalDeviceControlIrp(TDI_SET_EVENT_HANDLER,   /* Sub function */
                                           DeviceObject,            /* Device object */
                                           FileObject,              /* File object */
                                           &Event,                  /* Event */
                                           &Iosb);                  /* Status */
    if (!Irp)
        return STATUS_INSUFFICIENT_RESOURCES;



    TdiBuildSetEventHandler(Irp,
                            DeviceObject,
                            FileObject,
                            NULL,
                            NULL,
                            EventType,
                            Handler,
                            Context);

    return TdiCall(Irp, DeviceObject, &Event, &Iosb);
}
开发者ID:hoangduit，项目名称:reactos，代码行数:59，代码来源:tdi.c

示例13: TdiQueryDeviceControl

NTSTATUS TdiQueryDeviceControl(
    PFILE_OBJECT FileObject,
    ULONG IoControlCode,
    PVOID InputBuffer,
    ULONG InputBufferLength,
    PVOID OutputBuffer,
    ULONG OutputBufferLength,
    PULONG Return)
/*
 * FUNCTION: Queries a device for information
 * ARGUMENTS:
 *     FileObject         = Pointer to file object
 *     IoControlCode      = I/O control code
 *     InputBuffer        = Pointer to buffer with input data
 *     InputBufferLength  = Length of InputBuffer
 *     OutputBuffer       = Address of buffer to place output data
 *     OutputBufferLength = Length of OutputBuffer
 * RETURNS:
 *     Status of operation
 */
{
    PDEVICE_OBJECT DeviceObject;
    IO_STATUS_BLOCK Iosb;
    NTSTATUS Status;
    KEVENT Event;
    PIRP Irp;

    if (!FileObject) {
        AFD_DbgPrint(MIN_TRACE, ("Bad file object.\n"));
        return STATUS_INVALID_PARAMETER;
    }

    DeviceObject = IoGetRelatedDeviceObject(FileObject);
    if (!DeviceObject) {
        AFD_DbgPrint(MIN_TRACE, ("Bad device object.\n"));
        return STATUS_INVALID_PARAMETER;
    }

    KeInitializeEvent(&Event, NotificationEvent, FALSE);

    Irp = IoBuildDeviceIoControlRequest(IoControlCode,
                                        DeviceObject,
                                        InputBuffer,
                                        InputBufferLength,
                                        OutputBuffer,
                                        OutputBufferLength,
                                        FALSE,
                                        &Event,
                                        &Iosb);
    if (!Irp)
        return STATUS_INSUFFICIENT_RESOURCES;

    Status = TdiCall(Irp, DeviceObject, &Event, &Iosb);

    if (Return)
        *Return = Iosb.Information;

    return Status;
}
开发者ID:hoangduit，项目名称:reactos，代码行数:59，代码来源:tdi.c

示例14: Pin_fnWrite

NTSTATUS
NTAPI
Pin_fnWrite(
    PDEVICE_OBJECT DeviceObject,
    PIRP Irp)
{
    PDISPATCH_CONTEXT Context;
    PIO_STACK_LOCATION IoStack;
    PFILE_OBJECT FileObject;
    NTSTATUS Status;

    /* Get current stack location */
    IoStack = IoGetCurrentIrpStackLocation(Irp);

    /* The dispatch context is stored in the FsContext member */
    Context = (PDISPATCH_CONTEXT)IoStack->FileObject->FsContext;

    /* Sanity check */
    ASSERT(Context);

    if (Context->hMixerPin)
    {
        // FIXME
        // call kmixer to convert stream
        UNIMPLEMENTED
    }

    /* acquire real pin file object */
    Status = ObReferenceObjectByHandle(Context->Handle, GENERIC_WRITE, *IoFileObjectType, KernelMode, (PVOID*)&FileObject, NULL);
    if (!NT_SUCCESS(Status))
    {
        DPRINT1("failed\n");
        Irp->IoStatus.Information = 0;
        Irp->IoStatus.Status = Status;
        /* Complete the irp */
        IoCompleteRequest(Irp, IO_NO_INCREMENT);
        return Status;
    }

    /* skip current irp location */
    IoSkipCurrentIrpStackLocation(Irp);

    /* get next stack location */
    IoStack = IoGetNextIrpStackLocation(Irp);
    /* store file object of next device object */
    IoStack->FileObject = FileObject;
    IoStack->MajorFunction = IRP_MJ_DEVICE_CONTROL;
    //ASSERT(Irp->AssociatedIrp.SystemBuffer);

    /* now call the driver */
    Status = IoCallDriver(IoGetRelatedDeviceObject(FileObject), Irp);

    /* dereference file object */
    ObDereferenceObject(FileObject);

    return Status;

}
开发者ID:GYGit，项目名称:reactos，代码行数:58，代码来源:pin.c

示例15: EngFileIoControl

NTSTATUS
APIENTRY
EngFileIoControl(
    IN PFILE_OBJECT pFileObject,
    IN DWORD dwIoControlCode,
    IN PVOID lpInBuffer,
    IN SIZE_T nInBufferSize,
    OUT PVOID lpOutBuffer,
    IN SIZE_T nOutBufferSize,
    OUT PULONG_PTR lpInformation)
{
    PDEVICE_OBJECT pDeviceObject;
    KEVENT Event;
    PIRP pIrp;
    IO_STATUS_BLOCK Iosb;
    NTSTATUS Status;

    /* Get corresponding device object */
    pDeviceObject = IoGetRelatedDeviceObject(pFileObject);
    if (!pDeviceObject)
    {
        return STATUS_INVALID_PARAMETER;
    }

    /* Initialize an event */
    KeInitializeEvent(&Event, SynchronizationEvent, FALSE);

    /* Build IO control IRP */
    pIrp = IoBuildDeviceIoControlRequest(dwIoControlCode,
                                         pDeviceObject,
                                         lpInBuffer,
                                         (ULONG)nInBufferSize,
                                         lpOutBuffer,
                                         (ULONG)nOutBufferSize,
                                         FALSE,
                                         &Event,
                                         &Iosb);
    if (!pIrp)
    {
        return STATUS_INSUFFICIENT_RESOURCES;
    }

    /* Call the driver */
    Status = IoCallDriver(pDeviceObject, pIrp);

    /* Wait if neccessary */
    if (Status == STATUS_PENDING)
    {
        KeWaitForSingleObject(&Event, Executive, KernelMode, TRUE, 0);
        Status = Iosb.Status;
    }

    /* Return information to the caller about the operation. */
    *lpInformation = Iosb.Information;

    /* This function returns NTSTATUS */
    return Status;
}
开发者ID:hoangduit，项目名称:reactos，代码行数:58，代码来源:device.c


注：本文中的IoGetRelatedDeviceObject函数示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。