[ILUG] [OT] C time_elapsed function
John J. Allen
john.allen at online.ie
Tue Nov 6 18:49:47 GMT 2001
Padraig Brady wrote:
> I can't beleive there isn't a platform independent
> getSecondsSinceBoot() function, but can't find one.
> Please tell me I'm wrong.
> Note time() and gettimeofday() both return seconds since 1970,
> and hence won't do as the value returned isn't guaranteed to
> monotonically increase (as the system date can change).
> Note also that uptime in /proc/loadavg wraps after 472 days
> (32 bit jiffies). Is there a value anywhere that increments
> monotonically with second resolution?
Chekc the utmp() function
John Allen email: john.allen at online.ie
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