[erlang-questions] Newbie question: wait until an absolute time

Ladislav Lenart <>
Fri Feb 1 15:40:30 CET 2008


Christian S wrote:
> If I knew that I would have to do something, such as turning on the
> VCR  at 2009-12-24 19:00 for Karl Bertil Jonsons julafton on TV, I
> doubt I would just want to do "Timeout = VCRMillis - NowMillis,
> sleep(Timeout)" anyway. Instead I would limit my sleep to perhaps
> day-intervals, and close down to smaller intervals when I get closer
> to the absolute time. Such code would perhaps warrant a special
> function that does all that for me.
Hello,

the reason behind your decision is to limit loss of precision,
i.e. take potential time drifting into account?

Ladislav Lenart




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