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What is the most accurate timer on a unix system? (c language)

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oxygen_728 asked
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Last Modified: 2013-12-26
I am simulating the datalink layer between two  entities in a network.

I need to get down to microseconds if possible.

I'm compiling c code on a the gcc compiler.

I basically need to do this.

StartTime = getTime();


loop(   )
{
........
  CurrentTime = getTime();
  if(CurrentTime - StartTime > 50 microseconds)
  {
     do this;
  }
  ......
}


Any ideas on the best timer function to use?

Thank you.


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Thank you both for your time. Have a great day both of you!
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