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.) -- +------------------------------------+ ______ _ __ | __--_|\ Julian Elischer | \ U \/ / hard at work in | / \ julian_at_elischer.org +------>x USA \ a very strange | ( OZ ) \___ ___ | country ! +- X_.---._/ presently in San Francisco \_/ \\ v On Tue, 1 Feb 2005, Garrett Wollman wrote: > <<On Wed, 2 Feb 2005 06:03:18 +1100, Peter Jeremy <PeterJeremy_at_optushome.com.au> said: > > > 2) <kludge>Write a small C program that uses setitimer() and signals > > its parent whenever the timer triggers. Run it in the background > > and just pause within the sh loop.</kludge> > > SIGCHLD is good enough. > > while :; do > sleep 10 & > do_something > wait > done > > -GAWollman > > _______________________________________________ > 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" >Received on Wed Feb 02 2005 - 16:44:23 UTC
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