linux-kernel - Re: Incorrect behavior of timer_settime() for absolute dates in the past

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Message-Id: <1164893161.6242.4.camel@localhost>
Date:	Thu, 30 Nov 2006 14:26:01 +0100
From:	Thomas Gleixner <tglx@...utronix.de>
To:	John <me@...vacy.net>
Cc:	linux-kernel@...r.kernel.org, mingo@...e.hu, johnstul@...ibm.com,
	akpm@...l.org
Subject: Re: Incorrect behavior of timer_settime() for absolute dates in
	the past

On Fri, 2006-11-17 at 10:11 +0100, John wrote:
> value specified by the it_value member of value. If the specified time 
> has already passed, the function shall succeed and the expiration 
> notification shall be made."

That's exactly what the implementation does:

The functions succeeds (return value is 0) and then the notification is
made. There is _NO_ requirement that the signal is delivered before the
function returns to user space. I could be implemented, but I'm not sure
if it is worth the effort.

	tglx





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