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Last change
on this file since 1812 was 1570, checked in by Gregg Young, 14 years ago |
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Added IdleIfNeeded to place load and free loops to idle priority when dealing with large numbers of items. Used SleepIfNeeded more places for a similar purpose.
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File size:
842 bytes
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| 1 |
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| 2 | /***********************************************************************
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| 3 |
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| 4 | $Id: tmrsvcs.h 1570 2011-06-12 22:09:19Z gyoung $
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| 5 |
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| 6 | Timing services interface
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| 7 |
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| 8 | Copyright (c) 2008 Steven H. Levine
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| 9 |
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| 10 | 05 Jan 08 SHL Baseline
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| 11 |
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| 12 | ***********************************************************************/
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| 13 |
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| 14 | #if !defined(TMRSVCS_H)
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| 15 | #define TMRSVCS_H
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| 16 |
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| 17 | #if !defined(OS2_INCLUDED)
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| 18 | #include <os2.h>
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| 19 | #endif
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| 20 |
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| 21 | typedef struct {
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| 22 | INT remaining; // Remaining counts until time check
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| 23 | UINT estimated; // Estimated counts per interval
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| 24 | UINT misses;
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| 25 | UINT interval_msec; // msec per interval
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| 26 | ULONG start_msec; // Last tick time
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| 27 | } ITIMER_DESC;
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| 28 |
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| 29 | VOID InitITimer(ITIMER_DESC *pitd, UINT interval_msec);
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| 30 | BOOL IsITimerExpired(ITIMER_DESC *pitd);
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| 31 | VOID SleepIfNeeded(ITIMER_DESC *pitd, UINT sleepTime);
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| 32 | ULONG IdleIfNeeded(ITIMER_DESC *pitd, LONG delta);
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| 33 |
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| 34 | #endif // TMRSVCS_H
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