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F*S*M T*ime

Posted on 2008-10-13
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Last Modified: 2012-05-05
I want to implement an F*S*M  and when a "job" is at one state for some time ,for example 1 min and then go to other state.The problem is that i don't know how to implement the time(clock) of this  system.
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Question by:Tom211
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LVL 53

Expert Comment

by:Infinity08
ID: 22709389
You want a delay of 1 minute ?

You can use the standard library for that, something like below (note that it's a busy wait, so likely not the preferred way to do it).

Or you can use platform dependent functionality, like sleep or usleep (Linux), Sleep (Windows), ...
What platform are you on ?
time_t tstart = time(0);
time_t tend = time(0);
while (difftime(tend, tstart) < 60.0f) {   // <--- one minute
  // busy wait
}

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LVL 53

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Infinity08 earned 200 total points
ID: 22709394
The code sample should have been like this of course (otherwise you'd likely have an infinite loop) :
time_t tstart = time(0);
time_t tend = time(0);
while (difftime(tend, tstart) < 60.0f) {   // <--- one minute
  // busy wait
  tend = time(0);
}

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