linux-kernel - Re: [PATCH] /dev/time for Linux, inspired by Plan 9

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Message-ID: <3aaafc130903170815x7704d9f0gdb6012bbf63e2a5b@mail.gmail.com>
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.

>
> --
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