Re: cynchronised sleep capbilty..

From: Julian Elischer <julian_at_elischer.org>
Date: Thu, 3 Feb 2005 02:17:35 -0800 (PST)
On Thu, 3 Feb 2005, Doug Rabson wrote:

> On Wednesday 02 February 2005 17:44, Julian Elischer wrote:
> > very clever!
> >
> > however it doesn't phaselock to teh time and still drifts.
> > I need to trigger on (for example) 10 second boundaries across 50
> > synchronised machines..
> > (so thatthe machines agree about the sampling period.)
>
> How about a cron job which writes characters into a fifo every ten
> secconds. The script can wait for the next ten second mark by reading a
> single char from the other end of the fifo.

how does a cron job run evey 10 seconds?
also this woudl seem something that is a bit beyond
a simple shell script in terms of trouble you would go to.



> _______________________________________________
> freebsd-current_at_freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-current
> To unsubscribe, send any mail to "freebsd-current-unsubscribe_at_freebsd.org"
>

-- 
+------------------------------------+       ______ _  __
|   __--_|\  Julian Elischer         |       \     U \/ / hard at work in
|  /       \ julian_at_elischer.org     +------>x   USA    \ a very strange
| (   OZ    )                                \___   ___ | country !
+- X_.---._/    presently in San Francisco       \_/   \\
          v
Received on Thu Feb 03 2005 - 09:17:45 UTC

This archive was generated by hypermail 2.4.0 : Wed May 19 2021 - 11:38:27 UTC