linux-kernel - Re: And now for something _totally

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Message-ID: <Pine.LNX.4.64.0706171715320.5316@alien.or.mcafeemobile.com>
Date:	Sun, 17 Jun 2007 17:20:21 -0700 (PDT)
From:	Davide Libenzi <davidel@...ilserver.org>
To:	Nicholas Miell <nmiell@...cast.net>
cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Oleg Nesterov <oleg@...sign.ru>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>
Subject: Re: And now for something _totally_ different: Linux v2.6.22-rc5

On Sun, 17 Jun 2007, Nicholas Miell wrote:

> Ah, ok, that's great.
> 
> I didn't see anything like that in linux.git, missed Ben's patch to the
> list, and mixed up your description with the original TIF_SIGPENDING
> work.

They will still race on the signal queue though. That is, if you create a 
signalfd and three threads are doing a read(2) over it, if a signal is 
sent to the thread group (tsk->signal->shared_pending), only one will 
fetch the signal. I think that's the correct behaviour anyway.
Andrew or Linus, did you get Ben's patch?



- Davide


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