Leaked source code of windows server 2003
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/*++
Copyright (c) 1994 Microsoft Corporation
Module Name:
RxTimer.h
Abstract:
This module defines the prototypes and structures for the timer on the rdbss architecture.
What is provided is a 55ms timer...that is, if you register a routine then you get a call
every 55ms. On NT, you're at DPC level.
Also contained here are the routines for posting to a thread from DPC level.
Author:
Joe Linn [JoeLinn] 2-mar-95
Revision History:
Balan Sethu Raman [SethuR] 7-March-95
Modified signatures to provide one shot timer service. Merged timer entry and
work item definitions.
--*/
#ifndef _RXTIMER_H_
#define _RXTIMER_H_
//
// The RX_WORK_ITEM encapsulates the context for posting to a worker thread as well as
// a timer routine to be triggered after a specific interval.
//
typedef struct _RX_WORK_ITEM_ {
RX_WORK_QUEUE_ITEM WorkQueueItem;
ULONG LastTick;
ULONG Options;
} RX_WORK_ITEM, *PRX_WORK_ITEM;
extern NTSTATUS
NTAPI
RxPostOneShotTimerRequest(
IN PRDBSS_DEVICE_OBJECT pDeviceObject,
IN PRX_WORK_ITEM pWorkItem,
IN PRX_WORKERTHREAD_ROUTINE Routine,
IN PVOID pContext,
IN LARGE_INTEGER TimeInterval);
extern NTSTATUS
NTAPI
RxPostRecurrentTimerRequest(
IN PRDBSS_DEVICE_OBJECT pDeviceObject,
IN PRX_WORKERTHREAD_ROUTINE Routine,
IN PVOID pContext,
IN LARGE_INTEGER TimeInterval);
extern NTSTATUS
NTAPI
RxCancelTimerRequest(
IN PRDBSS_DEVICE_OBJECT pDeviceObject,
IN PRX_WORKERTHREAD_ROUTINE Routine,
IN PVOID pContext
);
//
// Routines for initializing and tearing down the timer service in RDBSS
//
extern NTSTATUS
NTAPI
RxInitializeRxTimer();
extern VOID
NTAPI
RxTearDownRxTimer(void);
#endif // _RXTIMER_STUFF_DEFINED_