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Received: from 97-122-110-129.hlrn.qwest.net ([97.122.110.129]:42312 helo=bapiya) by box5379.bluehost.com with esmtpsa (TLS1.3) tls TLS_AES_256_GCM_SHA384 (Exim 4.100.1) (envelope-from ) id 1xGyNN-00000002krZ-3bQK; Wed, 14 Oct 2026 06:46:33 -0600 From: Tom Tromey To: Simon Marchi Cc: gdb-patches@sourceware.org Subject: Re: [PATCH 2/2] gdb: preserve shell command exit status in pipe command on EPIPE In-Reply-To: <20261013171340.1748775-2-simon.marchi@efficios.com> (Simon Marchi's message of "Tue, 13 Oct 2026 13:13:31 -0400") References: <20261013171340.1748775-1-simon.marchi@efficios.com> <20261013171340.1748775-2-simon.marchi@efficios.com> X-Attribution: Tom Date: Wed, 14 Oct 2026 06:46:32 -0600 Message-ID: <87cxtc5u1j.fsf@tromey.com> User-Agent: Gnus/5.13 (Gnus v5.13) 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: 97.122.110.129 X-Source-L: No X-Exim-ID: 1xGyNN-00000002krZ-3bQK X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: 97-122-110-129.hlrn.qwest.net (bapiya) [97.122.110.129]:42312 X-Source-Auth: tom+tromey.com X-Email-Count: 13 X-Org: HG=bhshared;ORG=bluehost; X-Source-Cap: ZWx5bnJvYmk7ZWx5bnJvYmk7Ym94NTM3OS5ibHVlaG9zdC5jb20= X-Local-Domain: yes X-CMAE-Envelope: MS4xfFMz0IINzXwAXPJhcL1Ql8/QbS7MOxpWP8v08EpC0aAN8yQM1wpAvmaiQX14ymeMx5G3b3sNOWPGkVXWO8gnRQ30vfCfUqT9l35KzpGMcKBFBFMD2o8/ VHdlyJVddHnDjrNAojJPzCvSfBjGAFrlWZwAay3wUR8OAmERvtvKQJckFEFUg9a9/ilH1cVsUUuWFk2PaDq8JY5nHOEWMEYjhNQ= X-BeenThere: gdb-patches@sourceware.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Gdb-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: gdb-patches-bounces~public-inbox=simark.ca@sourceware.org >>>>> "Simon" == Simon Marchi writes: Simon> Work around this by flusing the stream explicitly before calling pclose, Simon> ignoring errors. With that out of the way, pclose returns the exit Simon> status of the shell command. This makes something like "pipe COMMAND | Simon> head -1" behave like it would in a shell. Looks good. Approved-By: Tom Tromey Tom