90 lines
2.4 KiB
C
90 lines
2.4 KiB
C
//
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//
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// timer.h
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//
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// This file contains the typedefinitions for the timer code
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#ifndef __TIMERNBT_H
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#define __TIMERNBT_H
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// to convert a millisecond time to 100ns time
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//
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#define MILLISEC_TO_100NS 10000
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// the completion routine that the client must define
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typedef
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VOID
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(*COMPLETIONROUTINE)(
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IN PVOID, // context
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IN PVOID, // context2
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IN PVOID); // timerqentry
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typedef
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VOID
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(*COMPLETIONCLIENT)(
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IN PVOID,
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IN NTSTATUS);
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// Timer Queue Entry - this entry looks after a timer event. It tracks who
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// should be called when the timeout occurs, the time in the future of the
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// timout, and a context value.
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typedef struct
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{
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CTETimer VxdTimer ;
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LIST_ENTRY Linkage;
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PVOID Context;
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PVOID Context2;
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COMPLETIONROUTINE CompletionRoutine;
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PVOID ClientContext;
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COMPLETIONCLIENT ClientCompletion;
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PVOID pCacheEntry; // entry in Remote or local cache
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ULONG DeltaTime;
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// this is set by the completionroutine to tell the timing system to
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// restart the timer again, as opposed to disposing of the timer
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USHORT Flags;
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USHORT Retries; // number of times to restart the timer
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UCHAR RefCount; // to tell if the timer is expiring or not
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}tTIMERQENTRY;
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// Flag bits for tTIMERQENTRY
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#define TIMER_RESTART 0x0001
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// to differentiate the broadcast timeouts from the timouts to the Name Service
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#define TIMER_MNODEBCAST 0x0002
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#define TIMER_DOING_EXPIRY 0x0004
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#define TIMER_NOT_STARTED 0x0008
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#define TIMER_RETIMED 0x0010 // timeout has changed, restart timer without any processing
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// The timer Q itself
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typedef struct
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{
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DEFINE_LOCK_STRUCTURE( SpinLock )
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LIST_ENTRY ActiveHead;
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LIST_ENTRY FreeHead;
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} tTIMERQ;
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//
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// Function Prototype - this function is only called locally to this file
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//
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//
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// TimerExpiry routine - Called by kernel upon timer expiration. Note that
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// DeferredContext is the only argument used and must be named/used the
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// same between NT and WFW.
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//
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VOID
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TimerExpiry(
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#ifndef VXD
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IN PKDPC Dpc,
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IN PVOID DeferredContext,
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IN PVOID SystemArg1,
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IN PVOID SystemArg2
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#else
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IN CTEEvent * pCTEEvent,
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IN PVOID DeferredContext
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#endif
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) ;
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#endif
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