62 lines
1 KiB
C
62 lines
1 KiB
C
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/*++
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Copyright (c) 1992 Microsoft Corporation
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Module Name:
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timer.h
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Abstract:
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This module contains routines to schedule timer events.
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Author:
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Jameel Hyder (jameelh@microsoft.com)
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Revision History:
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Jul 1996 Initial Version
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Notes: Tab stop: 4
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--*/
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#ifndef _TIMER_
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#define _TIMER_
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struct _Timer;
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typedef
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BOOLEAN
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(*TIMER_ROUTINE)(
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IN struct _IntF * pIntF,
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IN struct _Timer * pTimer,
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IN BOOLEAN TimerShuttingDown
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);
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typedef struct _Timer
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{
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struct _Timer * Next;
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struct _Timer ** Prev;
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TIMER_ROUTINE Routine; // Timer routine
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SHORT AbsTime; // Absolute time, for re-enqueue
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SHORT RelDelta; // Relative to the previous entry
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} TIMER, *PTIMER;
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#define ArpSTimerInitialize(pTimer, TimerRoutine, DeltaTime) \
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{ \
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(pTimer)->Routine = TimerRoutine; \
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(pTimer)->AbsTime = DeltaTime; \
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}
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#define ArpSGetCurrentTick() ArpSTimerCurrentTick
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// Keep this at 15 sec units
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#define MULTIPLIER 4 // To convert minutes to ticks
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#define TIMER_TICK -15*10000000L // 15s in 100ns units
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#endif // _TIMER_
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