From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 9058 invoked by alias); 7 Dec 2009 20:10:06 -0000 Received: (qmail 8923 invoked by uid 22791); 7 Dec 2009 20:10:05 -0000 X-SWARE-Spam-Status: No, hits=-2.5 required=5.0 tests=AWL,BAYES_00,SPF_HELO_PASS,SPF_PASS X-Spam-Check-By: sourceware.org Received: from mx1.redhat.com (HELO mx1.redhat.com) (209.132.183.28) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Mon, 07 Dec 2009 20:10:03 +0000 Received: from int-mx03.intmail.prod.int.phx2.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.16]) by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id nB7K9nff007330 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Mon, 7 Dec 2009 15:09:49 -0500 Received: from greed.delorie.com (ovpn01.gateway.prod.ext.phx2.redhat.com [10.5.9.1]) by int-mx03.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id nB7K9m5I030911 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Mon, 7 Dec 2009 15:09:49 -0500 Received: from greed.delorie.com (greed.delorie.com [127.0.0.1] (may be forged)) by greed.delorie.com (8.14.3/8.14.3) with ESMTP id nB7K9mmF000409; Mon, 7 Dec 2009 15:09:48 -0500 Received: (from dj@localhost) by greed.delorie.com (8.14.3/8.14.3/Submit) id nB7K9moj000406; Mon, 7 Dec 2009 15:09:48 -0500 Date: Mon, 07 Dec 2009 20:10:00 -0000 Message-Id: <200912072009.nB7K9moj000406@greed.delorie.com> From: DJ Delorie To: dje@google.com (Doug Evans) CC: gcc-patches@gcc.gnu.org, gdb-patches@sourceware.org In-reply-to: <20091207172641.398198456F@ruffy.mtv.corp.google.com> (dje@google.com) Subject: Re: [RFA] save/restore environ in libiberty pex_unix_exec_child References: <20091207172641.398198456F@ruffy.mtv.corp.google.com> X-IsSubscribed: yes Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sourceware.org X-SW-Source: 2009-12/txt/msg00089.txt.bz2 If the child assignment truly clobbers the parent, won't the parent's assignment clobber the child? If it's portable enough, using exevpe/execve instead of execvp/execv would be preferred.