linux-kernel - Re: [PATCH 1/2] posix clocks: introduce a syscall for clock tuning.

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Message-ID: <20100904140639.GA22074@riccoc20.at.omicron.at>
Date:	Sat, 4 Sep 2010 16:06:39 +0200
From:	Richard Cochran <richardcochran@...il.com>
To:	netdev@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, linux-api@...r.kernel.org
Subject: Re: [PATCH 1/2] posix clocks: introduce a syscall for clock tuning.

On Fri, Sep 03, 2010 at 11:29:05AM +0200, Richard Cochran wrote:
> A new syscall is introduced that allows tuning of a POSIX clock. The
> syscall is implemented for four architectures: arm, blackfin, powerpc,
> and x86.
> 
> The new syscall, clock_adjtime, takes two parameters, the clock ID,
> and a pointer to a struct timex. The semantics of the timex struct
> have been expanded by one additional mode flag, which allows an
> absolute offset correction. When specificied, the clock offset is
> immediately corrected by skipping to the new time value.

Sorry, last sentence should read, "corrected by adding the given time
value to the current time value."

Richard
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