linux-kernel - Re: [patch 2/5] signalfd v2

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Message-ID: <Pine.LNX.4.64.0703081607180.10832@woody.linux-foundation.org>
Date:	Thu, 8 Mar 2007 16:10:37 -0800 (PST)
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Jeremy Fitzhardinge <jeremy@...p.org>
cc:	Davide Libenzi <davidel@...ilserver.org>,
	"David M. Lloyd" <dmlloyd@...rg.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Al Viro <viro@....linux.org.uk>
Subject: Re: [patch 2/5] signalfd v2 - signalfd core ...



On Thu, 8 Mar 2007, Jeremy Fitzhardinge wrote:
> 
> The difficulty is that there are 4 different formats of signal structure
> you could get: (traditional|siginfo) x (32bit|64bit).

See my suggestion of a fixed-format (and much cleaned up) pseudo-siginfo 
thing earlier in this thread, and also actually mentioned as a "good to 
do" in my original email from 2003 that did the original patch ;)

> (Hey, can you send signals by writing into the signalfd?  Very plan9...)

It's an obvious extension. Whether there is any real point to it or not, I 
dunno. After all, you could just send the signal instead.

		Linus
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