Date: Fri, 21 Feb 2014 10:24:25 -0700 From: Ian Lepore <ian@FreeBSD.org> To: "freebsd-hackers@freebsd.org" <freebsd-hackers@FreeBSD.org> Subject: What is the precision arg for callout_reset_sbt() and friends? Message-ID: <1393003465.1145.111.camel@revolution.hippie.lan>
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I can't figure out from the code or the manpage what should be passed as the precision argument to the sleep-related functions that take sbintime values. It seems like most existing code passes 0, what effect does that have? What should I pass if precision really matters? What if it doesn't matter at all? Most of the time I want something like a 1ms timeout where it really isn't critical if it turns into 2 or even 5ms. Other times when I say 1ms I really want something close to 1ms. -- Ian
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