[ILUG] [OT] C time_elapsed function

[Padraig Brady]

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?

thanks,
Padraig.