Date: Wed, 17 Jul 2002 17:44:50 -0400 From: kkonaka@mac.com To: freebsd-hackers@FreeBSD.ORG Subject: Re: Counting the clock cycles Message-ID: <sqbwuru58rx.wl@nue.mac.com> In-Reply-To: <007801c22dd5$56d2ba50$0300a8c0@fivehundred> References: <Pine.BSF.4.21.0207171350290.79270-100000@InterJet.elischer.org> <007801c22dd5$56d2ba50$0300a8c0@fivehundred> <00d501c22dc4$57d08b00$0200a8c0@twothousand>
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> I need a way to properly determine passage of time > that is not affected if I change the system clock > for example. how about using setitimer(2) - ITIMER_REAL? since it appears(?) on almost all unix(-like) platforms this expires based only on callout (or jiffies) ticks countdown, and settimeofday(2) never seems to bother adjusting callout queues. kenji To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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