In article <[EMAIL PROTECTED]>,
Brad Huntting <[EMAIL PROTECTED]> wrote:
>
> Suppose I'm a (root) process: I have an appointment in exactly
> one hour. I call select() and specify a timeout of 3600 seconds,
> trusting that the system will wake me up just in time. But
> unbeknownst to me someone sets the clock back 10 minutes while I'm
> asleep (using settimeofday(), not adjtime()). When select() returns
> I find that I'm 10 minutes late!
>
> My question is:
>
> How can I arrange to be notified when someone and makes a
> corse change to the system clock?
This may be more work than you want to do, but ...
You could add a new kqueue event which is generated when the system
time is stepped. Then you could do your sleeping with kevent().
John
--
John Polstra [EMAIL PROTECTED]
John D. Polstra & Co., Inc. Seattle, Washington USA
"Disappointment is a good sign of basic intelligence." -- Chögyam Trungpa
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