From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757841AbYDJRWJ (ORCPT ); Thu, 10 Apr 2008 13:22:09 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755516AbYDJRV5 (ORCPT ); Thu, 10 Apr 2008 13:21:57 -0400 Received: from x35.xmailserver.org ([64.71.152.41]:41784 "EHLO x35.xmailserver.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755413AbYDJRV5 (ORCPT ); Thu, 10 Apr 2008 13:21:57 -0400 X-AuthUser: davidel@xmailserver.org Date: Thu, 10 Apr 2008 10:21:54 -0700 (PDT) From: Davide Libenzi X-X-Sender: davide@alien.or.mcafeemobile.com To: Michael Kerrisk cc: lkml Subject: Re: signalfd() not handling sigqueue() sigval data correctly In-Reply-To: Message-ID: References: <47FBDF12.8090400@gmail.com> 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 List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 10 Apr 2008, Michael Kerrisk wrote: > On Thu, Apr 10, 2008 at 7:03 AM, Michael Kerrisk > wrote: > > Hi Davide, > > > > > > I was doing some playing about with signalfd(), and seem to have encountered a > > > > bug: when a signalfd read() fetches data for a signal that was sent by > > > > sigqueue(), the data accompanying the signal is not returned. Instead > > > > ssi_int/ssi_ptr is zero. > > > > > > Michael, can you give the patch below a spin? I tested it on my x86_64 box > > > and seems to be working fine: > > > > > > Got signal 44 > > > ssi_code= -1 > > > ssi_pid = 6314 > > > ssi_uid = 1000 > > > ssi_int = 123 > > > ssi_ptr = 7b > > > > This works for me on x86-32. Thanks Davide! > > Davide, > > Are you going to get this pushed into 2.6.26? I assume we can't get > it into 2.6.25... I'll be sending it Andrew-bound today. I dunno where it'll land mainline. - Davide