obfuncs.h File Reference

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Macros
#define	ObDereferenceObject   ObfDereferenceObject
#define	ObReferenceObject   ObfReferenceObject
#define	ObDereferenceObject   ObfDereferenceObject
#define	ObReferenceObject   ObfReferenceObject
#define	ObDereferenceObjectWithTag   ObfDereferenceObjectWithTag
#define	ObReferenceObjectWithTag   ObfReferenceObjectWithTag

Functions
	$if (_WDMDDK_) $endif(_WDMDDK_) $if(_WDMDDK_) _IRQL_requires_max_(DISPATCH_LEVEL) NTKERNELAPI LONG_PTR FASTCALL ObfDereferenceObject(_In_ PVOID Object)
	_IRQL_requires_max_ (APC_LEVEL) NTKERNELAPI NTSTATUS NTAPI ObGetObjectSecurity(_In_ PVOID Object
	_IRQL_requires_max_ (DISPATCH_LEVEL) NTKERNELAPI LONG_PTR FASTCALL ObfReferenceObject(_In_ PVOID Object)
	$endif (_WDMDDK_) $if(_NTIFS_) NTKERNELAPI NTSTATUS NTAPI ObInsertObject(_In_ PVOID Object
NTKERNELAPI NTSTATUS NTAPI	ObOpenObjectByPointer (_In_ PVOID Object, _In_ ULONG HandleAttributes, _In_opt_ PACCESS_STATE PassedAccessState, _In_ ACCESS_MASK DesiredAccess, _In_opt_ POBJECT_TYPE ObjectType, _In_ KPROCESSOR_MODE AccessMode, _Out_ PHANDLE Handle)
NTKERNELAPI VOID NTAPI	ObMakeTemporaryObject (_In_ PVOID Object)
NTKERNELAPI NTSTATUS NTAPI	ObQueryNameString (_In_ PVOID Object, _Out_writes_bytes_opt_(Length) POBJECT_NAME_INFORMATION ObjectNameInfo, _In_ ULONG Length, _Out_ PULONG ReturnLength)
NTKERNELAPI NTSTATUS NTAPI	ObQueryObjectAuditingByHandle (_In_ HANDLE Handle, _Out_ PBOOLEAN GenerateOnClose)
	$endif (_NTIFS_) $if(_WDMDDK_) NTKERNELAPI VOID NTAPI ObDereferenceObjectDeferDelete(_In_ PVOID Object)
NTKERNELAPI VOID NTAPI	ObUnRegisterCallbacks (_In_ PVOID RegistrationHandle)
NTKERNELAPI USHORT NTAPI	ObGetFilterVersion (VOID)
NTKERNELAPI VOID NTAPI	ObDereferenceObjectDeferDeleteWithTag (_In_ PVOID Object, _In_ ULONG Tag)
NTKERNELAPI ULONG NTAPI	ObGetObjectPointerCount (_In_ PVOID Object)

Variables
_Out_ PSECURITY_DESCRIPTOR *	SecurityDescriptor
_Out_ PSECURITY_DESCRIPTOR _Out_ PBOOLEAN	MemoryAllocated
_In_ ACCESS_MASK	DesiredAccess
_In_ ACCESS_MASK _In_opt_ POBJECT_TYPE	ObjectType
_In_ ACCESS_MASK _In_opt_ POBJECT_TYPE _In_ KPROCESSOR_MODE	AccessMode
_In_ ACCESS_MASK _In_opt_ POBJECT_TYPE _In_ KPROCESSOR_MODE _Out_ PVOID *	Object
_In_ ACCESS_MASK _In_opt_ POBJECT_TYPE _In_ KPROCESSOR_MODE _Out_ PVOID _Out_opt_ POBJECT_HANDLE_INFORMATION	HandleInformation
_Inout_opt_ PACCESS_STATE	PassedAccessState
_Inout_opt_ PACCESS_STATE _In_opt_ ACCESS_MASK _In_ ULONG	ObjectPointerBias
_Inout_opt_ PACCESS_STATE _In_opt_ ACCESS_MASK _In_ ULONG _Out_opt_ PVOID *	NewObject
_Inout_opt_ PACCESS_STATE _In_opt_ ACCESS_MASK _In_ ULONG _Out_opt_ PVOID _Out_opt_ PHANDLE	Handle
_Outptr_ PVOID *	RegistrationHandle
_In_ ACCESS_MASK _In_opt_ POBJECT_TYPE _In_ KPROCESSOR_MODE _In_ ULONG	Tag
_In_ ULONG	HandleAttributes

Macro Definition Documentation

ObDereferenceObject [1/2]

#define ObDereferenceObject   ObfDereferenceObject

Definition at line 203 of file obfuncs.h.

ObDereferenceObject [2/2]

#define ObDereferenceObject   ObfDereferenceObject

Definition at line 203 of file obfuncs.h.

ObDereferenceObjectWithTag

#define ObDereferenceObjectWithTag   ObfDereferenceObjectWithTag

Definition at line 205 of file obfuncs.h.

ObReferenceObject [1/2]

#define ObReferenceObject   ObfReferenceObject

Definition at line 204 of file obfuncs.h.

ObReferenceObject [2/2]

#define ObReferenceObject   ObfReferenceObject

Definition at line 204 of file obfuncs.h.

ObReferenceObjectWithTag

#define ObReferenceObjectWithTag   ObfReferenceObjectWithTag

Definition at line 206 of file obfuncs.h.

Function Documentation

$endif() [1/2]

$endif

(

_WDMDDK_

)

Definition at line 202 of file ke.h.

{
    ULONGLONG Low;
    LONGLONG High;
} NEON128, *PNEON128;

$endif() [2/2]

$endif

(

_NTIFS_

)

Definition at line 2827 of file rtlfuncs.h.

{
  LARGE_INTEGER ret;
  ret.QuadPart = SignedInteger;
  return ret;
}

$if()

$if

(

_WDMDDK_

)

Kernel definitions for AMD64

Kernel definitions for ARM

Kernel definitions for AMD64

Kernel definitions for ARM

Kernel definitions for x86

Definition at line 1 of file ke.h.

{
    ULONG Dummy;
} KFLOATING_SAVE, *PKFLOATING_SAVE;

_IRQL_requires_max_() [1/2]

_IRQL_requires_max_

(

APC_LEVEL

)

Definition at line 197 of file cddata.c.

{
    THREAD_CONTEXT ThreadContext = {0};
    PIRP_CONTEXT IrpContext = NULL;
    BOOLEAN Wait;

#ifdef CD_SANITY
    PVOID PreviousTopLevel;
#endif

    NTSTATUS Status;

#if DBG

    KIRQL SaveIrql = KeGetCurrentIrql();

#endif

    ASSERT_OPTIONAL_IRP( Irp );

    UNREFERENCED_PARAMETER( DeviceObject );

    FsRtlEnterFileSystem();

#ifdef CD_SANITY
    PreviousTopLevel = IoGetTopLevelIrp();
#endif

    //
    //  Loop until this request has been completed or posted.
    //

    do {

        //
        //  Use a try-except to handle the exception cases.
        //

        _SEH2_TRY {

            //
            //  If the IrpContext is NULL then this is the first pass through
            //  this loop.
            //

            if (IrpContext == NULL) {

                //
                //  Decide if this request is waitable an allocate the IrpContext.
                //  If the file object in the stack location is NULL then this
                //  is a mount which is always waitable.  Otherwise we look at
                //  the file object flags.
                //

                if (IoGetCurrentIrpStackLocation( Irp )->FileObject == NULL) {

                    Wait = TRUE;

                } else {

                    Wait = CanFsdWait( Irp );
                }

                IrpContext = CdCreateIrpContext( Irp, Wait );

                //
                //  Update the thread context information.
                //

                CdSetThreadContext( IrpContext, &ThreadContext );

#ifdef CD_SANITY
                NT_ASSERT( !CdTestTopLevel ||
                        SafeNodeType( IrpContext->TopLevel ) == CDFS_NTC_IRP_CONTEXT );
#endif

            //
            //  Otherwise cleanup the IrpContext for the retry.
            //

            } else {

                //
                //  Set the MORE_PROCESSING flag to make sure the IrpContext
                //  isn't inadvertently deleted here.  Then cleanup the
                //  IrpContext to perform the retry.
                //

                SetFlag( IrpContext->Flags, IRP_CONTEXT_FLAG_MORE_PROCESSING );
                CdCleanupIrpContext( IrpContext, FALSE );
            }

            //
            //  Case on the major irp code.
            //

            switch (IrpContext->MajorFunction) {

            case IRP_MJ_CREATE :

                Status = CdCommonCreate( IrpContext, Irp );
                break;

            case IRP_MJ_CLOSE :

                Status = CdCommonClose( IrpContext, Irp );
                break;

            case IRP_MJ_READ :

                //
                //  If this is an Mdl complete request, don't go through
                //  common read.
                //

                if (FlagOn( IrpContext->MinorFunction, IRP_MN_COMPLETE )) {

                    Status = CdCompleteMdl( IrpContext, Irp );

                } else {

                    Status = CdCommonRead( IrpContext, Irp );
                }

                break;

            case IRP_MJ_WRITE :

                Status = CdCommonWrite( IrpContext, Irp );
                break;

            case IRP_MJ_QUERY_INFORMATION :

                Status = CdCommonQueryInfo( IrpContext, Irp );
                break;

            case IRP_MJ_SET_INFORMATION :

                Status = CdCommonSetInfo( IrpContext, Irp );
                break;

            case IRP_MJ_QUERY_VOLUME_INFORMATION :

                Status = CdCommonQueryVolInfo( IrpContext, Irp );
                break;

            case IRP_MJ_DIRECTORY_CONTROL :

                Status = CdCommonDirControl( IrpContext, Irp );
                break;

            case IRP_MJ_FILE_SYSTEM_CONTROL :

                Status = CdCommonFsControl( IrpContext, Irp );
                break;

            case IRP_MJ_DEVICE_CONTROL :

                Status = CdCommonDevControl( IrpContext, Irp );
                break;

            case IRP_MJ_LOCK_CONTROL :

                Status = CdCommonLockControl( IrpContext, Irp );
                break;

            case IRP_MJ_CLEANUP :

                Status = CdCommonCleanup( IrpContext, Irp );
                break;

            case IRP_MJ_PNP :

                Status = CdCommonPnp( IrpContext, Irp );
                break;

            case IRP_MJ_SHUTDOWN :
            
                Status = CdCommonShutdown( IrpContext, Irp );
                break;

            default :

                Status = STATUS_INVALID_DEVICE_REQUEST;
                CdCompleteRequest( IrpContext, Irp, Status );
            }

        } _SEH2_EXCEPT( CdExceptionFilter( IrpContext, _SEH2_GetExceptionInformation() )) {

            Status = CdProcessException( IrpContext, Irp, _SEH2_GetExceptionCode() );
        } _SEH2_END;

    } while (Status == STATUS_CANT_WAIT);

#ifdef CD_SANITY
    NT_ASSERT( !CdTestTopLevel ||
            (PreviousTopLevel == IoGetTopLevelIrp()) );
#endif

    FsRtlExitFileSystem();

    NT_ASSERT( SaveIrql == KeGetCurrentIrql( ));

    return Status;
}

_IRQL_requires_max_() [2/2]

_IRQL_requires_max_

(

DISPATCH_LEVEL

)

Definition at line 3557 of file common.c.

{
    NTSTATUS                    status;
    BOOLEAN                     requestSent = FALSE;

    BOOLEAN                     shouldRetry = TRUE;
    PCDB                        cdb = (PCDB)DeviceExtension->PowerContext.Srb.Cdb;
    ULONG                       timeoutValue = DeviceExtension->TimeOutValue;
    ULONG                       retryCount = 1;

    // reset some fields.
    DeviceExtension->PowerContext.RetryIntervalIn100ns = 0;
    status = PowerContextReuseRequest(DeviceExtension);
    RequestClearSendTime(DeviceExtension->PowerContext.PowerRequest);

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

    // set proper timeout value and max retry count.
    switch(DeviceExtension->PowerContext.PowerChangeState.PowerDown)
    {
    case PowerDownDeviceInitial:
    case PowerDownDeviceQuiesced:
    case PowerDownDeviceStopped:
        break;

    case PowerDownDeviceLocked:
        // Case of issuing SYNC CACHE command. Do not use power irp timeout remaining time in this case
        // as we want to give best try on SYNC CACHE command.
        retryCount = MAXIMUM_RETRIES;
        timeoutValue = DeviceExtension->TimeOutValue;
        break;

    case PowerDownDeviceFlushed:
    {
        // Case of issuing STOP UNIT command
        // As "Imme" bit is set to '1', this command should be completed in short time.
        // This command is at low importance, failure of this command has very small impact.
        ULONG secondsRemaining = 0;

#if (WINVER >= 0x0601)
        // this API is introduced in Windows7
        PoQueryWatchdogTime(DeviceExtension->LowerPdo, &secondsRemaining);
#endif

        if (secondsRemaining == 0)
        {
            // not able to retrieve remaining time from PoQueryWatchdogTime API, use default values.
            retryCount = MAXIMUM_RETRIES;
            timeoutValue = SCSI_CDROM_TIMEOUT;
        }
        else
        {
            // plan to leave about 30 seconds to lower level drivers if possible.
            if (secondsRemaining >= 32)
            {
                retryCount = (secondsRemaining - 30)/SCSI_CDROM_TIMEOUT + 1;
                timeoutValue = SCSI_CDROM_TIMEOUT;

                if (retryCount > MAXIMUM_RETRIES)
                {
                    retryCount = MAXIMUM_RETRIES;
                }

                if (retryCount == 1)
                {
                    timeoutValue = secondsRemaining - 30;
                }
            }
            else
            {
                // issue the command with minimal timeout value and do not retry on it.
                retryCount = 1;
                timeoutValue = 2;
            }
        }
    }
        break;
    default:
        NT_ASSERT( FALSE );
        status = STATUS_NOT_IMPLEMENTED;
        return status;
    }

    DeviceExtension->PowerContext.RetryCount = retryCount;

    // issue command.
    while (shouldRetry)
    {

        // set SRB fields.
        DeviceExtension->PowerContext.Srb.SrbFlags = SRB_FLAGS_NO_DATA_TRANSFER |
                                                     SRB_FLAGS_DISABLE_SYNCH_TRANSFER |
                                                     SRB_FLAGS_NO_QUEUE_FREEZE |
                                                     SRB_FLAGS_BYPASS_LOCKED_QUEUE |
                                                     SRB_FLAGS_D3_PROCESSING;

        DeviceExtension->PowerContext.Srb.Function = SRB_FUNCTION_EXECUTE_SCSI;
        DeviceExtension->PowerContext.Srb.TimeOutValue = timeoutValue;

        if (DeviceExtension->PowerContext.PowerChangeState.PowerDown == PowerDownDeviceInitial)
        {
            DeviceExtension->PowerContext.Srb.Function = SRB_FUNCTION_LOCK_QUEUE;
        }
        else if (DeviceExtension->PowerContext.PowerChangeState.PowerDown == PowerDownDeviceLocked)
        {
            DeviceExtension->PowerContext.Srb.Function = SRB_FUNCTION_QUIESCE_DEVICE;
        }
        else if (DeviceExtension->PowerContext.PowerChangeState.PowerDown == PowerDownDeviceQuiesced)
        {
            // Case of issuing SYNC CACHE command.
            DeviceExtension->PowerContext.Srb.CdbLength = 10;
            cdb->SYNCHRONIZE_CACHE10.OperationCode = SCSIOP_SYNCHRONIZE_CACHE;
        }
        else if (DeviceExtension->PowerContext.PowerChangeState.PowerDown == PowerDownDeviceFlushed)
        {
            // Case of issuing STOP UNIT command.
            DeviceExtension->PowerContext.Srb.CdbLength = 6;
            cdb->START_STOP.OperationCode = SCSIOP_START_STOP_UNIT;
            cdb->START_STOP.Start = 0;
            cdb->START_STOP.Immediate = 1;
        }
        else if (DeviceExtension->PowerContext.PowerChangeState.PowerDown == PowerDownDeviceStopped)
        {
            DeviceExtension->PowerContext.Srb.Function = SRB_FUNCTION_UNLOCK_QUEUE;
        }

        // Set up completion routine and context if requested
        if (CompletionRoutine)
        {
            WdfRequestSetCompletionRoutine(DeviceExtension->PowerContext.PowerRequest,
                                           CompletionRoutine,
                                           Context);
        }

        status = RequestSend(DeviceExtension,
                             DeviceExtension->PowerContext.PowerRequest,
                             DeviceExtension->IoTarget,
                             CompletionRoutine ? 0 : WDF_REQUEST_SEND_OPTION_SYNCHRONOUS,
                             &requestSent);

        if (requestSent)
        {
            if ((CompletionRoutine == NULL) &&
                (SRB_STATUS(DeviceExtension->PowerContext.Srb.SrbStatus) != SRB_STATUS_SUCCESS))
            {
                TracePrint((TRACE_LEVEL_ERROR,
                            TRACE_FLAG_POWER,
                            "%p\tError occured when issuing %s command to device. Srb %p, Status %x\n",
                            DeviceExtension->PowerContext.PowerRequest,
                            (DeviceExtension->PowerContext.PowerChangeState.PowerDown == PowerDownDeviceQuiesced) ? "SYNC CACHE" : "STOP UNIT",
                            &DeviceExtension->PowerContext.Srb,
                            DeviceExtension->PowerContext.Srb.SrbStatus));

                NT_ASSERT(!(TEST_FLAG(DeviceExtension->PowerContext.Srb.SrbStatus, SRB_STATUS_QUEUE_FROZEN)));

                shouldRetry = RequestSenseInfoInterpret(DeviceExtension,
                                                        DeviceExtension->PowerContext.PowerRequest,
                                                        &(DeviceExtension->PowerContext.Srb),
                                                        retryCount - DeviceExtension->PowerContext.RetryCount,
                                                        &status,
                                                        &(DeviceExtension->PowerContext.RetryIntervalIn100ns));

                if (shouldRetry && (DeviceExtension->PowerContext.RetryCount-- == 0))
                {
                    shouldRetry = FALSE;
                }
            }
            else
            {
                // succeeded, do not need to retry.
                shouldRetry = FALSE;
            }

        }
        else
        {
            // request failed to be sent
            shouldRetry = FALSE;
        }

        if (shouldRetry)
        {
            LARGE_INTEGER t;
            t.QuadPart = -DeviceExtension->PowerContext.RetryIntervalIn100ns;
            KeDelayExecutionThread(KernelMode, FALSE, &t);

            status = PowerContextReuseRequest(DeviceExtension);
            if (!NT_SUCCESS(status))
            {
                shouldRetry = FALSE;
            }
        }
    }

    if (DeviceExtension->PowerContext.PowerChangeState.PowerDown == PowerDownDeviceQuiesced)
    {
        // record SYNC CACHE command completion time stamp.
        KeQueryTickCount(&DeviceExtension->PowerContext.Step1CompleteTime);
    }

    return status;
}

ObDereferenceObjectDeferDeleteWithTag()

NTKERNELAPI VOID NTAPI ObDereferenceObjectDeferDeleteWithTag	(	_In_ PVOID	Object,
		_In_ ULONG	Tag
	)

ObGetFilterVersion()

NTKERNELAPI USHORT NTAPI ObGetFilterVersion

(

VOID

)

ObGetObjectPointerCount()

NTKERNELAPI ULONG NTAPI ObGetObjectPointerCount

(

_In_ PVOID

Object

)

ObMakeTemporaryObject()

NTKERNELAPI VOID NTAPI ObMakeTemporaryObject

(

_In_ PVOID

Object

)

ObOpenObjectByPointer()

NTKERNELAPI NTSTATUS NTAPI ObOpenObjectByPointer	(	_In_ PVOID	Object,
		_In_ ULONG	HandleAttributes,
		_In_opt_ PACCESS_STATE	PassedAccessState,
		_In_ ACCESS_MASK	DesiredAccess,
		_In_opt_ POBJECT_TYPE	ObjectType,
		_In_ KPROCESSOR_MODE	AccessMode,
		_Out_ PHANDLE	Handle
	)

ObQueryNameString()

NTKERNELAPI NTSTATUS NTAPI ObQueryNameString	(	_In_ PVOID	Object,
		_Out_writes_bytes_opt_(Length) POBJECT_NAME_INFORMATION	ObjectNameInfo,
		_In_ ULONG	Length,
		_Out_ PULONG	ReturnLength
	)

ObQueryObjectAuditingByHandle()

NTKERNELAPI NTSTATUS NTAPI ObQueryObjectAuditingByHandle	(	_In_ HANDLE	Handle,
		_Out_ PBOOLEAN	GenerateOnClose
	)

ObUnRegisterCallbacks()

NTKERNELAPI VOID NTAPI ObUnRegisterCallbacks

(

_In_ PVOID

RegistrationHandle

)

Variable Documentation

AccessMode

_In_ ULONG _In_opt_ PACCESS_STATE _In_ ACCESS_MASK _In_opt_ POBJECT_TYPE _In_ KPROCESSOR_MODE AccessMode

Definition at line 40 of file obfuncs.h.

DesiredAccess

_In_ ULONG _In_opt_ PACCESS_STATE _In_ ACCESS_MASK DesiredAccess

Definition at line 40 of file obfuncs.h.

Handle

_In_ ULONG _In_opt_ PACCESS_STATE _In_ ACCESS_MASK _In_opt_ POBJECT_TYPE _In_ KPROCESSOR_MODE _In_ ULONG _Out_ PHANDLE Handle

Definition at line 71 of file obfuncs.h.

HandleAttributes

_In_ ULONG HandleAttributes

Definition at line 215 of file obfuncs.h.

HandleInformation

_In_ ACCESS_MASK _In_opt_ POBJECT_TYPE _In_ KPROCESSOR_MODE _In_ ULONG _Out_ PVOID _Out_opt_ POBJECT_HANDLE_INFORMATION HandleInformation

Definition at line 40 of file obfuncs.h.

Referenced by IopDeviceFsIoControl(), IopOpenLinkOrRenameTarget(), MockObReferenceObjectByHandle(), Mx::MxReferenceObjectByHandle(), NtDuplicateToken(), NtLockFile(), NtQueryInformationFile(), NtUnlockFile(), NtUserGetThreadDesktop(), ObDuplicateObject(), ObFindHandleForObject(), ObpReferenceProcessObjectByHandle(), ObReferenceFileObjectForWrite(), ObReferenceObjectByHandle(), and QSI_DEF().

MemoryAllocated

_In_ BOOLEAN MemoryAllocated

Definition at line 23 of file obfuncs.h.

Referenced by CreateDeviceSecurityDescriptor(), FsRtlAreNamesEqual(), ObGetObjectSecurity(), ObReleaseObjectSecurity(), and TestObRootSecurity().

NewObject

_Inout_opt_ PACCESS_STATE _In_opt_ ACCESS_MASK _In_ ULONG _Out_opt_ PVOID* NewObject

Definition at line 71 of file obfuncs.h.

Referenced by AcpiNsConvertToBuffer(), AcpiNsConvertToInteger(), AcpiNsConvertToReference(), AcpiNsConvertToResource(), AcpiNsConvertToString(), AcpiNsConvertToUnicode(), AcpiNsRepairNullElement(), AcpiNsSimpleRepair(), LsapCreateDbObject(), LsapOpenDbObject(), ObInsertObject(), ObpChargeQuotaForObject(), ObpIncrementHandleCount(), ObpIncrementUnnamedHandleCount(), realloc(), SampCreateDbObject(), and SampOpenDbObject().

Object

_In_ ACCESS_MASK _In_opt_ POBJECT_TYPE _In_ KPROCESSOR_MODE _In_ ULONG _Out_ PVOID* Object

Definition at line 40 of file obfuncs.h.

ObjectPointerBias

_Inout_opt_ PACCESS_STATE _In_opt_ ACCESS_MASK _In_ ULONG ObjectPointerBias

Definition at line 71 of file obfuncs.h.

Referenced by ObInsertObject().

ObjectType

_In_ ULONG _In_opt_ PACCESS_STATE _In_ ACCESS_MASK _In_opt_ POBJECT_TYPE ObjectType

Definition at line 40 of file obfuncs.h.

PassedAccessState

_In_ ULONG _In_opt_ PACCESS_STATE PassedAccessState

Definition at line 71 of file obfuncs.h.

Referenced by ObDuplicateObject(), ObOpenObjectByName(), ObOpenObjectByPointer(), and ObReferenceObjectByName().

RegistrationHandle

_Outptr_ PVOID* RegistrationHandle

Definition at line 138 of file obfuncs.h.

SecurityDescriptor

_Out_ PSECURITY_DESCRIPTOR* SecurityDescriptor

Definition at line 23 of file obfuncs.h.

Tag

_In_ ULONG _In_opt_ PACCESS_STATE _In_ ACCESS_MASK _In_opt_ POBJECT_TYPE _In_ KPROCESSOR_MODE _In_ ULONG Tag

Definition at line 162 of file obfuncs.h.