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GetTickCount and threads

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I just wanted to know whether GetTickCount measures how long the program has been running or how long the thread has been active. I''m using it to time how long my functions take (yes I know a high performance counter would be better), and I want to make sure extra time from other threads running in other programs would be counted. So if GetTickCount measures how long my main program thread is active, I shouldn''t have a problem. If it measures how long the program is running, then I might have to make a pure DOS program and boot my comp with DOS and run it. So which is it? No, HTML is not an OO language.

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It makes no difference. Just do this at thread startup.


int threadStartTime=GetTickCount();
int threadTimeRunning=0;
//Running code


There, now you can tell how long the thread has been running no matter when GetTickCount starts. This same meathod can be applied to timing anything really.

Alex Broadwin
A-Tronic Software & Design
"if you fail in life, you were destined to fail. If you suceed in life, call me."
"The answer is out there."
"Please help, I''m using Windows!"

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Yes, GetTickCount() returns the number of milliseconds since Windows was last booted. It has a granularity of 10ms, so if you need something with more resolution, then try QueryPerformanceCounter(), or the multimedia timers (timeBeginTime(), etc).

They will pretty much all return the same ''units'', meaning milliseconds since Windows was started.


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