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I am developing a generator of traffic in language C, but I...

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Question by momo
Submitted on 5/12/2004
Related FAQ: comp.lang.c Answers to Frequently Asked Questions (FAQ List)
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I am developing a generator of traffic in language C, but I need to make some temporization of 10 microseconds.

With delay( ) function the minimum time of temporization is 1ms.

If you have any idea please tell me about it.

Thanks




Answer by mmj
Submitted on 5/19/2006
Rating: Not yet rated Rate this answer: Vote
On Linux you can use the function nanosleep.
It pauses execution for a specified time.

Here is a man page extract.
NAME
       nanosleep - pause execution for a specified time

SYNOPSIS
       #include <time.h>

       int nanosleep(const struct timespec *req, struct timespec *rem);

DESCRIPTION
       nanosleep  delays  the  execution  of the program for at least the time
       specified in *req.  The function can return earlier  if  a  signal  has
       been  delivered to the process. In this case, it returns -1, sets errno
       to EINTR, and writes the remaining time into the structure  pointed  to
       by  rem unless rem is NULL.  The value of *rem can then be used to call
       nanosleep again and complete the specified pause.

       The structure timespec is  used  to  specify  intervals  of  time  with      nanosecond precision

 

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