From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gateway21.websitewelcome.com (gateway21.websitewelcome.com [192.185.45.212]) by sourceware.org (Postfix) with ESMTPS id 22520399B425 for ; Fri, 4 Jun 2021 13:39:52 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 22520399B425 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=tromey.com Authentication-Results: sourceware.org; spf=fail smtp.mailfrom=tromey.com Received: from cm13.websitewelcome.com (cm13.websitewelcome.com [100.42.49.6]) by gateway21.websitewelcome.com (Postfix) with ESMTP id CABAA400D1863 for ; Fri, 4 Jun 2021 08:39:49 -0500 (CDT) Received: from box5379.bluehost.com ([162.241.216.53]) by cmsmtp with SMTP id pA3Bl9B8nVBxypA3BlbiZV; Fri, 04 Jun 2021 08:39:49 -0500 X-Authority-Reason: nr=8 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=ZOsHJMCijTXx9Vy0wjDWZI/O1it6iGUGwmeJqbIObas=; b=ZOz4k0owD2MQRyKGOPqwFVd9QM GQgo4IUJWLrcyxeWW/TpHgkX6uFYZj+TP3ueZq5zXphu1UfcPhrJ42NJ8zSTYGieRsPzRr3UO74ss age2g7RKCOWjMF/SKthLYzZc2; Received: from 75-166-132-3.hlrn.qwest.net ([75.166.132.3]:54748 helo=murgatroyd) by box5379.bluehost.com with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1lpA3B-002Mn9-CX; Fri, 04 Jun 2021 07:39:49 -0600 From: Tom Tromey To: Bernd Edlinger Cc: Christian Biesinger , Tom Tromey , "gdb-patches@sourceware.org" Subject: Re: [PATCH] Fix gdb crash due to SIGPIPE when the compile command fails References: <87tumgp1ob.fsf@tromey.com> X-Attribution: Tom Date: Fri, 04 Jun 2021 07:39:48 -0600 In-Reply-To: (Bernd Edlinger's message of "Thu, 3 Jun 2021 07:45:05 +0200") Message-ID: <87zgw5oijf.fsf@tromey.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.1 (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: 75.166.132.3 X-Source-L: No X-Exim-ID: 1lpA3B-002Mn9-CX X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: 75-166-132-3.hlrn.qwest.net (murgatroyd) [75.166.132.3]:54748 X-Source-Auth: tom+tromey.com X-Email-Count: 3 X-Source-Cap: ZWx5bnJvYmk7ZWx5bnJvYmk7Ym94NTM3OS5ibHVlaG9zdC5jb20= X-Local-Domain: yes X-Spam-Status: No, score=-3026.4 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, JMQ_SPF_NEUTRAL, RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H2, SPF_HELO_PASS, SPF_NEUTRAL, TXREP autolearn=no autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: gdb-patches@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gdb-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 04 Jun 2021 13:40:02 -0000 >>>>> "Bernd" == Bernd Edlinger writes: Bernd> I believe it is right to avoid the SIGPIPE before calling the plugin, Bernd> instead of doing that in gcc-trunk, since we don't know which version Bernd> we will be calling, and all versions I tried have failed like this. That seems fine, but I think it would be better to install the handler just when working with the plugin, and then uninstall it afterward, sort of like what class scoped_ignore_sigttou does. Tom