minimum time slice get in linux/unix

Discussion in 'C Programming' started by Wei Wang (weiwang1), Jun 30, 2003.

  1. Functions such as "gettimeofday" gives the time. How fine the
    result is ? It probably is not as fine as 1 microsecond.
    I use a test code on redhat linux 7.3, it gives approximately
    3 microsecond, is it too good ? I know windows system is far

    Wei Wang (weiwang1), Jun 30, 2003
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  2. Wei Wang (weiwang1)

    Jack Klein Guest

    Not in standard C, the topic of comp.lang.c, it doesn't, because there
    is no function named gettimeofday(). The only function in standard C
    that returns time is deliberately hidden by giving it the confusing
    name time().
    Not only is comp.lang.c not a good place for this question, is not either, because gcc is basically a system
    independent compiler that uses system-supplied libraries on most
    platforms, and does not control many characteristics of the underlying
    operating system.

    There is no one universal "linux/unix" time slice. If you have a
    Linux specific question you should ask in
    If you have a question about a
    specific version of UNIX you should hunt up a newsgroup for that
    specific version, or perhaps ask about a specific version in

    There is no one answer that applies to Linux and all UNIX or UNIX-like

    Jack Klein
    Home: http://JK-Technology.Com
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    Jack Klein, Jul 1, 2003
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