Leaked source code of windows server 2003
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140 lines
2.2 KiB

/*++
Copyright (c) 1990 Microsoft Corporation
Module Name:
workque.h
Abstract:
This module defines the data structures and routines used for the FSP
dispatching code.
Author:
Larry Osterman (LarryO) 13-Aug-1990
Revision History:
13-Aug-1990 LarryO
Created
--*/
#ifndef _WORKQUE_
#define _WORKQUE_
typedef struct _IRP_QUEUE {
LIST_ENTRY Queue; // Queue itself.
} IRP_QUEUE, *PIRP_QUEUE;
struct _BOWSER_FS_DEVICE_OBJECT;
//
// IRP Context.
//
// The IRP context is a wrapper that used when passing an IRP from the
// redirectors FSD to its FSP.
//
typedef
struct _IRP_CONTEXT {
WORK_QUEUE_ITEM WorkHeader;
PIRP Irp;
struct _BOWSER_FS_DEVICE_OBJECT *DeviceObject;
} IRP_CONTEXT, *PIRP_CONTEXT;
VOID
BowserQueueCriticalWorkItem (
IN PWORK_QUEUE_ITEM WorkItem
);
VOID
BowserQueueDelayedWorkItem (
IN PWORK_QUEUE_ITEM WorkItem
);
PIRP_CONTEXT
BowserAllocateIrpContext(
VOID
);
VOID
BowserFreeIrpContext(
PIRP_CONTEXT IrpContext
);
VOID
BowserInitializeIrpQueue(
PIRP_QUEUE Queue
);
VOID
BowserUninitializeIrpQueue(
PIRP_QUEUE Queue
);
VOID
BowserCancelQueuedRequest(
IN PDEVICE_OBJECT DeviceObject OPTIONAL,
IN PIRP Irp
);
VOID
BowserCancelQueuedIoForFile(
IN PIRP_QUEUE Queue,
IN PFILE_OBJECT FileObject
);
NTSTATUS
BowserQueueNonBufferRequest(
IN PIRP Irp,
IN PIRP_QUEUE Queue,
IN PDRIVER_CANCEL CancelRoutine
);
NTSTATUS
BowserQueueNonBufferRequestReferenced(
IN PIRP Irp,
IN PIRP_QUEUE Queue,
IN PDRIVER_CANCEL CancelRoutine
);
VOID
BowserTimeoutQueuedIrp(
IN PIRP_QUEUE Queue,
IN ULONG NumberOfSecondsToTimeOut
);
PIRP
BowserDequeueQueuedIrp(
IN PIRP_QUEUE Queue
);
VOID
BowserInitializeIrpContext(
VOID
);
VOID
BowserpUninitializeIrpContext(
VOID
);
VOID
BowserpInitializeIrpQueue(
VOID
);
//
// Returns TRUE if there are no entries in the IRP queue.
//
#define BowserIsIrpQueueEmpty(IrpQueue) IsListEmpty(&(IrpQueue)->Queue)
#endif // _WORKQUE_