From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933194AbXCHTkO (ORCPT ); Thu, 8 Mar 2007 14:40:14 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S933200AbXCHTkN (ORCPT ); Thu, 8 Mar 2007 14:40:13 -0500 Received: from x35.xmailserver.org ([64.71.152.41]:43870 "EHLO x35.xmailserver.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933194AbXCHTkL (ORCPT ); Thu, 8 Mar 2007 14:40:11 -0500 X-AuthUser: davidel@xmailserver.org Date: Thu, 8 Mar 2007 11:40:10 -0800 (PST) From: Davide Libenzi X-X-Sender: davide@alien.or.mcafeemobile.com To: Avi Kivity cc: Linus Torvalds , "David M. Lloyd" , Linux Kernel Mailing List , Andrew Morton Subject: Re: [patch 2/5] signalfd v2 - signalfd core ... In-Reply-To: <45F06528.7040506@argo.co.il> Message-ID: References: <1173364264.6891.3.camel@localhost> <45F06528.7040506@argo.co.il> X-GPG-FINGRPRINT: CFAE 5BEE FD36 F65E E640 56FE 0974 BF23 270F 474E X-GPG-PUBLIC_KEY: http://www.xmailserver.org/davidel.asc MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 8 Mar 2007, Avi Kivity wrote: > Davide Libenzi wrote: > > So, to cut it short, I can do the pseudo-siginfo read(2), but I don't like > > it too much (little, actually). The siginfo, as bad as it is, is a standard > > used in many POSIX APIs (hence even in kernel), and IMO if we want to send > > that back, a struct siginfo should be. > > > > You can send the data in the 32/64 neutral format, and have glibc convert it > to a siginfo, and everybody's happy. Except Uli :) The problem with the siginfo is that it is a brain-dead structure with unions and data dependent on types (and pointers). Pretty fugly. - Davide