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Date: Tue, 17 Mar 2009 11:15:09 -0400 From: "J.R. Mauro" <jrm8005@...il.com> To: Pavel Machek <pavel@....cz> Cc: Christopher Brannon <cmbrannon@....net>, linux-kernel@...r.kernel.org Subject: Re: [PATCH] /dev/time for Linux, inspired by Plan 9 On Sat, Mar 14, 2009 at 12:13 PM, Pavel Machek <pavel@....cz> wrote: > On Wed 2009-03-11 10:10:23, Christopher Brannon wrote: >> Under Plan 9 from Bell Labs, one queries or sets the system clock by >> reading or writing text strings to a special file named /dev/time. >> I implemented such a facility for Linux. A read of /dev/time produces >> four decimal numbers: epoch seconds, nanoseconds since start of epoch, >> nanoseconds since boot, and nanoseconds per second. Writing a >> decimal number > > nanoseconds per second?! Just use 123.456 notation. The point is to be close to Plan 9's interface, in which column 3 is "something since boot" and column 4 is "somethings per second" to keep programs portable. > > -- > (english) http://www.livejournal.com/~pavelmachek > (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@...r.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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