62 lines
1.2 KiB
C++
62 lines
1.2 KiB
C++
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//+------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1993.
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//
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// File: stopwtch.hxx
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//
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// Contents: class definition for performance timer
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//
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// Classes: CStopWatch
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//
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// Functions:
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//
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// History: 8-July-93 t-martig Created
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//
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//--------------------------------------------------------------------------
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#ifndef __STOPWTCH_H
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#define __STOPWTCH_H
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class CStopWatch
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{
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public:
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CStopWatch();
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ULONG Read ();
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void Reset ();
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ULONG Resolution ();
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private:
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LARGE_INTEGER liStart;
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LARGE_INTEGER liFreq;
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};
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// Helper functions to make the code cleaner when you want to be
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// able to get both the individual and average times.
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inline void ResetAverage( BOOL fAverage, CStopWatch &sw )
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{
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if (fAverage)
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sw.Reset();
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}
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inline void ResetNotAverage( BOOL fAverage, CStopWatch &sw )
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{
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if (!fAverage)
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sw.Reset();
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}
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inline void ReadAverage( BOOL fAverage, CStopWatch &sw,
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ULONG &ulTime, ULONG ulIterations )
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{
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if (fAverage)
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ulTime = sw.Read() / ulIterations;
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}
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inline void ReadNotAverage( BOOL fAverage, CStopWatch &sw, ULONG &ulTime )
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{
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if (!fAverage)
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ulTime = sw.Read();
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}
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#endif // __STOPWTCH_H
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