From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 16555 invoked by alias); 14 Sep 2005 00:42:54 -0000 Mailing-List: contact gdb-help@sources.redhat.com; run by ezmlm Precedence: bulk List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-owner@sources.redhat.com Received: (qmail 16399 invoked by uid 22791); 14 Sep 2005 00:42:47 -0000 Received: from mail-out4.apple.com (HELO mail-out4.apple.com) (17.254.13.23) by sourceware.org (qpsmtpd/0.30-dev) with ESMTP; Wed, 14 Sep 2005 00:42:47 +0000 Received: from relay6.apple.com (a17-128-113-36.apple.com [17.128.113.36]) by mail-out4.apple.com (8.12.11/8.12.11) with ESMTP id j8E0gXVw028027; Tue, 13 Sep 2005 17:42:33 -0700 (PDT) Received: from [17.219.206.115] (unknown [17.219.206.115]) by relay6.apple.com (Apple SCV relay) with ESMTP id 1490D520; Tue, 13 Sep 2005 17:42:33 -0700 (PDT) Message-ID: <432771F8.3090401@apple.com> Date: Wed, 14 Sep 2005 00:42:00 -0000 From: Stan Shebs User-Agent: Mozilla/5.0 (Macintosh; U; PPC Mac OS X Mach-O; en-US; rv:1.7.3) Gecko/20040910 MIME-Version: 1.0 To: Jim Blandy Cc: "Min Xu (Hsu)" , gdb@sources.redhat.com Subject: Re: Using reverse execution References: <432628AA.2040808@apple.com> <20050913181057.GH5161@cs.wisc.edu> In-Reply-To: Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-SW-Source: 2005-09/txt/msg00092.txt.bz2 Jim Blandy wrote: >- Getting signals like SIGIO or SIGWINCH to arrive at exactly the same > points is something I just don't know how to do. It's clear how to > take and restore snapshots, but it's not clear how to recognize when > a system has re-reached a given state and should have its signal > re-delivered. > I think you'd have to get hints from the system, and similarly for thread switching. Stan