From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from progateway7-pub.mail.pro1.eigbox.com (gproxy5-pub.mail.unifiedlayer.com [67.222.38.55]) by sourceware.org (Postfix) with ESMTPS id E4B513858D39 for ; Tue, 28 Mar 2023 15:57:22 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org E4B513858D39 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=tromey.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=tromey.com Received: from cmgw13.mail.unifiedlayer.com (unknown [10.0.90.128]) by progateway7.mail.pro1.eigbox.com (Postfix) with ESMTP id 49D4C10049147 for ; Tue, 28 Mar 2023 15:57:22 +0000 (UTC) Received: from box5379.bluehost.com ([162.241.216.53]) by cmsmtp with ESMTP id hBhKpDG1xNX2ahBhKpsO7Z; Tue, 28 Mar 2023 15:57:22 +0000 X-Authority-Reason: nr=8 X-Authority-Analysis: v=2.4 cv=NMAQR22g c=1 sm=1 tr=0 ts=64230e62 a=ApxJNpeYhEAb1aAlGBBbmA==:117 a=ApxJNpeYhEAb1aAlGBBbmA==:17 a=dLZJa+xiwSxG16/P+YVxDGlgEgI=:19 a=k__wU0fu6RkA:10:nop_rcvd_month_year a=Qbun_eYptAEA:10:endurance_base64_authed_username_1 a=6I5d2MoRAAAA:8 a=4tLKGymq1fQJsN1tYv4A:9 a=IjZwj45LgO3ly-622nXo:22 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=tromey.com; s=default; h=Content-Type:MIME-Version:Message-ID:In-Reply-To:Date:References :Subject:Cc:To:From:Sender:Reply-To:Content-Transfer-Encoding:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=fTRO+hrWAJD80NEo8TJnqSAi7f/VRhguFoX+dvcfNxY=; b=D3kv3tLrmL+roFv2sLmUialA6m cFG5uINz6vgoN64mORLMQs+CA+pTG+M93Hq6/4FQOfVYTf9GmP9PRXcdanbFcSGFZ0ANclxmLpyeD B/ZRN1nM3lUDLsHHNY4Vao9Fh; Received: from 71-211-185-113.hlrn.qwest.net ([71.211.185.113]:49738 helo=murgatroyd) by box5379.bluehost.com with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.95) (envelope-from ) id 1phBhJ-003y00-UM; Tue, 28 Mar 2023 09:57:21 -0600 From: Tom Tromey To: John Baldwin Cc: Simon Marchi , Enze Li , gdb-patches@sourceware.org, enze.li@gmx.com Subject: Re: [PATCH] gdb: fix -Wdeprecated-declarations on macOS References: <6379554d-4e45-0ff8-a972-47596ea83b90@simark.ca> <7657bb99-0319-ed79-fe2a-fb74a3876798@FreeBSD.org> X-Attribution: Tom Date: Tue, 28 Mar 2023 09:57:17 -0600 In-Reply-To: <7657bb99-0319-ed79-fe2a-fb74a3876798@FreeBSD.org> (John Baldwin's message of "Tue, 28 Mar 2023 08:10:02 -0700") Message-ID: <87cz4sdg2q.fsf@tromey.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.2 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - box5379.bluehost.com X-AntiAbuse: Original Domain - sourceware.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - tromey.com X-BWhitelist: no X-Source-IP: 71.211.185.113 X-Source-L: No X-Exim-ID: 1phBhJ-003y00-UM X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: 71-211-185-113.hlrn.qwest.net (murgatroyd) [71.211.185.113]:49738 X-Source-Auth: tom+tromey.com X-Email-Count: 6 X-Source-Cap: ZWx5bnJvYmk7ZWx5bnJvYmk7Ym94NTM3OS5ibHVlaG9zdC5jb20= X-Local-Domain: yes X-Spam-Status: No, score=-3016.7 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,JMQ_SPF_NEUTRAL,RCVD_IN_ABUSEAT,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,SPF_HELO_NONE,SPF_PASS,TXREP autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: >>>>> "John" == John Baldwin writes: John> Even if vfork is deprecated, you still want to use it instead of fork I think John> as long as it exists. The real fix is to add a patch to use posix_spawn John> to fork the shell instead of vfork when posix_spawn exists. posix_spawn is John> just a wrapper around vfork + execve on FreeBSD's libc for example (I haven't John> looked to see what it is on Linux but suspect it is similar). I'm not sure we can do this in fork-inferior due to the need to PTRACE_TRACEME in the child. The other cases could maybe use the PEX stuff from libiberty? Tom