From unknown Fri Aug 15 14:45:12 2025 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-Mailer: MIME-tools 5.509 (Entity 5.509) Content-Type: text/plain; charset=utf-8 From: bug#23267 <23267@debbugs.gnu.org> To: bug#23267 <23267@debbugs.gnu.org> Subject: Status: suggestion: silently ignore EPIPE errors when SIGPIPE is set to 'ignore' Reply-To: bug#23267 <23267@debbugs.gnu.org> Date: Fri, 15 Aug 2025 21:45:12 +0000 retitle 23267 suggestion: silently ignore EPIPE errors when SIGPIPE is set = to 'ignore' reassign 23267 grep submitter 23267 Assaf Gordon severity 23267 wishlist tag 23267 wontfix thanks From debbugs-submit-bounces@debbugs.gnu.org Mon Apr 11 02:36:41 2016 Received: (at submit) by debbugs.gnu.org; 11 Apr 2016 06:36:42 +0000 Received: from localhost ([127.0.0.1]:57891 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1apVSj-00015W-Ms for submit@debbugs.gnu.org; Mon, 11 Apr 2016 02:36:41 -0400 Received: from eggs.gnu.org ([208.118.235.92]:46042) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1apVSh-00015K-UN for submit@debbugs.gnu.org; Mon, 11 Apr 2016 02:36:40 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1apVSb-0006Av-RK for submit@debbugs.gnu.org; Mon, 11 Apr 2016 02:36:34 -0400 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=0.8 required=5.0 tests=BAYES_50,FREEMAIL_FROM, T_DKIM_INVALID autolearn=disabled version=3.3.2 Received: from lists.gnu.org ([2001:4830:134:3::11]:58405) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1apVSb-0006Ar-Nr for submit@debbugs.gnu.org; Mon, 11 Apr 2016 02:36:33 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:37005) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1apVSa-00021v-Oi for bug-grep@gnu.org; Mon, 11 Apr 2016 02:36:33 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1apVSX-0006AM-Ix for bug-grep@gnu.org; Mon, 11 Apr 2016 02:36:32 -0400 Received: from mail-qg0-x233.google.com ([2607:f8b0:400d:c04::233]:35124) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1apVSX-0006AI-DH for bug-grep@gnu.org; Mon, 11 Apr 2016 02:36:29 -0400 Received: by mail-qg0-x233.google.com with SMTP id f105so112948750qge.2 for ; Sun, 10 Apr 2016 23:36:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:subject:message-id:date:to:mime-version; bh=H0/zf/mD81Ajd3cCaNs8I++t8JQxC3bl1XmmsAxgvlA=; b=X7Q9enzCgzT4k31hfjTx9EscROmuULbZ5y0wdVTR51j0NhrYiBYyWxp0rko1F9z/DA VUpOqHKHLOM/Pn/hwM2qz+CGTJBtXBBv8+z9BYgTf/pMLoqgjck5Q8EXHKl1dvlsMK7Z 2JuR1sZcjQtjsKq5gRSAER1l0j4FgBRDm/QWcyHhT2XWjl5aKhLPU4gqEYNq6Vy5CAMJ HHTyQQAQuaGHiXmXkex9WV8NXfg5QtNU09HiW79L3g6Tu6ZjUvdP4u6cJUNjRJhe60Qc Bg85hyqrlb7yoLeWKZtj4H5dHH7RGBHID81/IzhuPGmXAy2Id5EduLCEJy+ofaMZA+aE X2vw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:subject:message-id:date:to:mime-version; bh=H0/zf/mD81Ajd3cCaNs8I++t8JQxC3bl1XmmsAxgvlA=; b=NPJIEtWW+BpQev9K02t8GU8aZkgMw6qZXK4BFKSFg6lDUopu4qPjpB3aqTqnP6NZOo VKczvebQVctJvlJ9NKDlzyBdb63Z4YHWOqra0z+pr8IHS3qqYHOaOaFGlZ+PRZT8BAKh A65rqH2Ddb5gQLZdYQ39NYCGH5X2vykOB3WLe2m5ABvjQDFjnp9GdlXqTPW3G5CFgBg3 rtnDw1y/Be2HYkQ5I0PLRBhkjXneI8K0TWydaa9xmSJNmiJRHIsnxHrWcVabcBpYhjDq HqkKEvFO0O2Wd0nh9lWBRVWGMYJxG5F4BSriTJMsUrrGpbu7ULvIh64hogRotgk6xrhg OyOg== X-Gm-Message-State: AD7BkJK3OcyCgORmK1SExCgqZOzG/otM9qF2ZHwHnT5NwE90FiV+ok+qnEPAA88Ue6/DLg== X-Received: by 10.140.145.83 with SMTP id 80mr27806867qhr.95.1460356588966; Sun, 10 Apr 2016 23:36:28 -0700 (PDT) Received: from ix.home (pool-100-38-105-55.nycmny.fios.verizon.net. [100.38.105.55]) by smtp.gmail.com with ESMTPSA id f83sm10629528qkb.25.2016.04.10.23.36.27 for (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Sun, 10 Apr 2016 23:36:27 -0700 (PDT) From: Assaf Gordon Content-Type: multipart/mixed; boundary="Apple-Mail=_5844392D-2F63-494D-8419-198AD3783842" Subject: suggestion: silently ignore EPIPE errors when SIGPIPE is set to 'ignore' Message-Id: Date: Mon, 11 Apr 2016 02:36:26 -0400 To: bug-grep@gnu.org Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2102\)) X-Mailer: Apple Mail (2.2102) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Received-From: 2001:4830:134:3::11 X-Spam-Score: -4.0 (----) X-Debbugs-Envelope-To: submit X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -4.0 (----) --Apple-Mail=_5844392D-2F63-494D-8419-198AD3783842 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 Hello, This is a small addition to a recent change: 1cec27a7f0e5c7bdc44a88ef51af09f87a8cbc24=20 grep: use errno consistently in write diagnostics With the above change, if SIGPIPE is set to 'ignore' (e.g. by the shell = or python), then grep would exit with "write error: Broken Pipe". Based on recent suggestion from P=C3=A1draig Brady ( http://lists.gnu.org/archive/html/coreutils/2016-04/msg00004.html ) = perhaps it would be better to have special case for EPIPE and exit silently (as if SIGPIPE was not = ignored and terminated the program?). Patch attached for such modification. One issue of which I'm not certain: I assumed that if 'prline' was = called, a match was found. Thus, EPIPE will result in exit(EXIT_SUCCESS) indicating a match. Comments welcomed, - Assaf --Apple-Mail=_5844392D-2F63-494D-8419-198AD3783842 Content-Disposition: attachment; filename=0001-grep-silently-ignore-EPIPE-errors.patch Content-Type: application/octet-stream; name="0001-grep-silently-ignore-EPIPE-errors.patch" Content-Transfer-Encoding: quoted-printable =46rom=20411ce63e597b04ffe79478758e272d555965459e=20Mon=20Sep=2017=20= 00:00:00=202001=0AFrom:=20Assaf=20Gordon=20=0A= Date:=20Mon,=2011=20Apr=202016=2002:03:49=20-0400=0ASubject:=20[PATCH]=20= grep:=20silently=20ignore=20EPIPE=20errors=0AMIME-Version:=201.0=0A= Content-Type:=20text/plain;=20charset=3DUTF-8=0A= Content-Transfer-Encoding:=208bit=0A=0AIf=20SIGPIPE=20is=20set=20to=20= 'ignore',=20exit=20silently=20instead=20of=20reporting=0A'write=20error:=20= Broken=20pipe'=20-=20closely=20mimicking=20default=20SIGPIPE=0A= behaviour.=20Based=20on=20similar=20method=20in=20coreutils'=20seq=20by=20= P=C3=A1draig=20Brady=0A= (http://lists.gnu.org/archive/html/coreutils/2016-04/msg00004.html).=0A=0A= *=20src/grep.c:=20(prline):=20if=20errno=3DEPIPE,=20exit=20silently=20= signalling=20success=0A=20=20instead=20of=20reporting=20write=20error.=0A= *=20tests/write-error-msg:=20test=20with=20SIGPIPE=20set=20to=20= 'ignore'.=0A---=0A=20src/grep.c=20=20=20=20=20=20=20=20=20=20=20=20|=20=20= 7=20++++++-=0A=20tests/write-error-msg=20|=2010=20+++++++++-=0A=202=20= files=20changed,=2015=20insertions(+),=202=20deletions(-)=0A=0Adiff=20= --git=20a/src/grep.c=20b/src/grep.c=0Aindex=208baca5a..f375ab6=20100644=0A= ---=20a/src/grep.c=0A+++=20b/src/grep.c=0A@@=20-1235,7=20+1235,12=20@@=20= prline=20(char=20*beg,=20char=20*lim,=20char=20sep)=0A=20=20=20=20=20= fflush_errno=20();=0A=20=0A=20=20=20if=20(stdout_errno)=0A-=20=20=20=20= error=20(EXIT_TROUBLE,=20stdout_errno,=20_("write=20error"));=0A+=20=20=20= =20{=0A+=20=20=20=20=20=20if=20(stdout_errno!=3DEPIPE)=0A+=20=20=20=20=20= =20=20=20error=20(EXIT_TROUBLE,=20stdout_errno,=20_("write=20error"));=0A= +=20=20=20=20=20=20/*=20silently=20ignore=20EPIPE=20errors=20and=20exit=20= */=0A+=20=20=20=20=20=20exit=20(EXIT_SUCCESS);=0A+=20=20=20=20}=0A=20=0A=20= =20=20lastout=20=3D=20lim;=0A=20}=0Adiff=20--git=20= a/tests/write-error-msg=20b/tests/write-error-msg=0Aindex=20= 130648b..b56f233=20100755=0A---=20a/tests/write-error-msg=0A+++=20= b/tests/write-error-msg=0A@@=20-1,5=20+1,6=20@@=0A=20#!/bin/sh=0A-#=20= Ensure=20that=20output=20errors=20are=20reported=20with=20errno=20= information.=0A+#=20Ensure=20that=20output=20errors=20are=20reported=20= with=20errno=20information,=0A+#=20except=20SIGPIPE=20which=20is=20= silently=20ignored.=0A=20=0A=20#=20Copyright=202016=20Free=20Software=20= Foundation,=20Inc.=0A=20=0A@@=20-52,4=20+53,11=20@@=20done=0A=20compare=20= err1=20err2=20\=0A=20=20=20=20=20||=20{=20warn_=20"err1,err2=20contain=20= different=20error=20messages"=20;=20fail=3D1=20;=20}=0A=20=0A+=0A+#=20= With=20SIGPIPE=20ignored,=20grep=20should=20detect=20EPIPE,=20yet=20exit=20= silently.=0A+(=20trap=20''=20PIPE=20;=0A+=20=20sh=20-c=20'grep=20= --line-buffered=201=20err3=20|=20head=20-n1=20>/dev/null'=20)=20= \=0A+=20=20=20=20||=20framework_failure_=0A+compare=20/dev/null=20err3=20= ||=20fail=3D1=0A+=0A=20Exit=20$fail=0A--=20=0A2.7.0=0A=0A= --Apple-Mail=_5844392D-2F63-494D-8419-198AD3783842-- From debbugs-submit-bounces@debbugs.gnu.org Mon Apr 11 03:47:20 2016 Received: (at 23267) by debbugs.gnu.org; 11 Apr 2016 07:47:21 +0000 Received: from localhost ([127.0.0.1]:57962 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1apWZ6-0004V6-Nu for submit@debbugs.gnu.org; Mon, 11 Apr 2016 03:47:20 -0400 Received: from zimbra.cs.ucla.edu ([131.179.128.68]:40636) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1apWZ5-0004Ut-Kt for 23267@debbugs.gnu.org; Mon, 11 Apr 2016 03:47:19 -0400 Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id 1EA13160FD3; Mon, 11 Apr 2016 00:47:14 -0700 (PDT) Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id bnijLhBhFN84; Mon, 11 Apr 2016 00:47:13 -0700 (PDT) Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id 6EE30160FF2; Mon, 11 Apr 2016 00:47:13 -0700 (PDT) X-Virus-Scanned: amavisd-new at zimbra.cs.ucla.edu Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id EbokiJImZvjr; Mon, 11 Apr 2016 00:47:13 -0700 (PDT) Received: from [192.168.1.9] (unknown [100.32.155.148]) by zimbra.cs.ucla.edu (Postfix) with ESMTPSA id 51B9D160FD3; Mon, 11 Apr 2016 00:47:13 -0700 (PDT) Subject: Re: bug#23267: suggestion: silently ignore EPIPE errors when SIGPIPE is set to 'ignore' To: Assaf Gordon , 23267@debbugs.gnu.org References: From: Paul Eggert Organization: UCLA Computer Science Department Message-ID: <570B5681.6050703@cs.ucla.edu> Date: Mon, 11 Apr 2016 00:47:13 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.6.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: quoted-printable X-Spam-Score: -1.0 (-) X-Debbugs-Envelope-To: 23267 X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.0 (-) Assaf Gordon wrote: > With the above change, if SIGPIPE is set to 'ignore' (e.g. by the shell= or python), > then grep would exit with "write error: Broken Pipe". > Based on recent suggestion from P=C3=A1draig Brady I don't see why this is would be a good idea. grep should report write er= rors. A caller that doesn't care about EPIPE output errors should invoke 'grep'= with=20 the default behavior for SIGPIPE and should ignore grep's exit status; th= is is=20 longstanding tradition. As far as I can see, it's a mistake to ignore SIG= PIPE=20 while expecting a status of zero with no output-error diagnostics. Such a= =20 mistake would affect lots of programs other than 'grep', and it's not inc= umbent=20 on utility writers to work around mistakes like this. From debbugs-submit-bounces@debbugs.gnu.org Sat Apr 23 13:31:51 2016 Received: (at 23267) by debbugs.gnu.org; 23 Apr 2016 17:31:51 +0000 Received: from localhost ([127.0.0.1]:44251 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1au1PL-0000mo-Hv for submit@debbugs.gnu.org; Sat, 23 Apr 2016 13:31:51 -0400 Received: from mail-qg0-f53.google.com ([209.85.192.53]:34370) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1atvVW-0007G7-EP for 23267@debbugs.gnu.org; Sat, 23 Apr 2016 07:13:50 -0400 Received: by mail-qg0-f53.google.com with SMTP id c6so70353331qga.1 for <23267@debbugs.gnu.org>; Sat, 23 Apr 2016 04:13:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fornwall-net.20150623.gappssmtp.com; s=20150623; h=mime-version:date:message-id:subject:from:to; bh=OaWmeHGAv7q6oKqMBh1asMIP6thGzfMG8vtjpPh05lI=; b=POWoiubovWo0c/tcUn031QL6Y0ymNgLfPYlJDnrUuREP042OZgxOTlYK1zyM0bIkYq ehiIAg5qy94eGBmZf+ZzSOIATAhVdwiseMlwCAB+a0InW5kBiGJ3AkMT35kTZJK62tTT xbMSkJsy7fdzQI0P+r2aG3frqlL8Am3PToWt/qvQicnfezr4Vky9aKD6WbI7dpcYeUZY s5g7HR0db39Cyy4CUNTWYN1EIGwQAy1D8vLfnZdaf7qwxUocn4cNtxOTPwavn01bfVH6 eqJPjSyJh1qfWeBVpBbI5y6VK/8CV+FEFWk7YtceLX7wR6rzJwIkXVeAW/Z7la7eSW6H pyBA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:date:message-id:subject:from:to; bh=OaWmeHGAv7q6oKqMBh1asMIP6thGzfMG8vtjpPh05lI=; b=N/wdk+Ho46xpsS/hWDhctxKa5n/r9si6yLIVH6Hftxu2r6mvJvA0uID+Mvawmc8skP duKEU2VpCQQCEfqjHGyERMaxBNaDKzara0UGNVzwq+BYJpdeUawgd53fbkUz4bZ5j9NU shlQOwUJwKO8Y5UektuvXzLAeFdzRmZ86hPEWjckFOelWLZVdAcXM2xUejS+vMlMbhpC 4dOqg97NLLy33ErX8tvtzzJzxnbxOEkRXIgVCTSdQZUTKVZxYDhgyKUZJ5VIpzWmD5DM Ygnv/IdGwtJQW7ayDjJIWiPBrvlOC7apMu5Sx4/YGbyBWerUvMkH6DtXNfuq2tHfofhS RXNw== X-Gm-Message-State: AOPr4FWPDZjj7D1ynO8ur3gUZlohmXvQWLrpqsEIy/I0lQxYwviG02LP9IDg5WGjtBPJZOLIT13j3vPZJjsejg== MIME-Version: 1.0 X-Received: by 10.141.41.130 with SMTP id s124mr26905722qhe.69.1461410024883; Sat, 23 Apr 2016 04:13:44 -0700 (PDT) Received: by 10.55.164.68 with HTTP; Sat, 23 Apr 2016 04:13:44 -0700 (PDT) Date: Sat, 23 Apr 2016 13:13:44 +0200 Message-ID: Subject: Re: bug#23267: suggestion: silently ignore EPIPE errors when SIGPIPE is set to 'ignore' From: Fredrik Fornwall To: 23267@debbugs.gnu.org Content-Type: text/plain; charset=UTF-8 X-Spam-Score: -0.7 (/) X-Debbugs-Envelope-To: 23267 X-Mailman-Approved-At: Sat, 23 Apr 2016 13:31:50 -0400 X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -0.7 (/) Even when SIGPIPE has the default behaviour, it seems that there is a timing issue if grep has the time to treat EPIPE as an error before the process being killed due to the delivery of the signal. This seems to happen easily when running on Android (perhaps due to slower signal delivery, or relatively faster output, or how it runs on a multi-cpu setup), as seen from the below run: $ seq 9999 |grep -v xxx |head -1 1 grep: write error: Broken pipe This would motivate silently ignoring EPIPE to avoid having different behaviour depending on timing issues. See also http://superuser.com/questions/554855/how-can-i-fix-a-broken-pipe-error. From debbugs-submit-bounces@debbugs.gnu.org Thu Sep 08 04:24:38 2016 Received: (at control) by debbugs.gnu.org; 8 Sep 2016 08:24:38 +0000 Received: from localhost ([127.0.0.1]:53168 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1bhudS-0000e4-L1 for submit@debbugs.gnu.org; Thu, 08 Sep 2016 04:24:38 -0400 Received: from zimbra.cs.ucla.edu ([131.179.128.68]:60616) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1bhudR-0000dp-3G for control@debbugs.gnu.org; Thu, 08 Sep 2016 04:24:37 -0400 Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id 43B291606D6 for ; Thu, 8 Sep 2016 01:24:30 -0700 (PDT) Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id phBV8BpumHwI for ; Thu, 8 Sep 2016 01:24:29 -0700 (PDT) Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id 9ED9E161198 for ; Thu, 8 Sep 2016 01:24:29 -0700 (PDT) X-Virus-Scanned: amavisd-new at zimbra.cs.ucla.edu Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id CcnyLrn7tShf for ; Thu, 8 Sep 2016 01:24:29 -0700 (PDT) Received: from [192.168.1.9] (unknown [100.32.155.148]) by zimbra.cs.ucla.edu (Postfix) with ESMTPSA id 858741606D6 for ; Thu, 8 Sep 2016 01:24:29 -0700 (PDT) To: control@debbugs.gnu.org From: Paul Eggert Subject: grep bug maintenance Organization: UCLA Computer Science Department Message-ID: <74a024f8-b8af-d0ad-878c-ebe8fa673168@cs.ucla.edu> Date: Thu, 8 Sep 2016 01:24:29 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.2.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: quoted-printable X-Spam-Score: -1.1 (-) X-Debbugs-Envelope-To: control X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.1 (-) severity 23562 wishlist severity 23267 wishlist close 23269 From debbugs-submit-bounces@debbugs.gnu.org Tue Sep 22 18:31:25 2020 Received: (at control) by debbugs.gnu.org; 22 Sep 2020 22:31:25 +0000 Received: from localhost ([127.0.0.1]:33664 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kKqom-0003s7-Uz for submit@debbugs.gnu.org; Tue, 22 Sep 2020 18:31:25 -0400 Received: from zimbra.cs.ucla.edu ([131.179.128.68]:53960) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kKqok-0003rs-N2 for control@debbugs.gnu.org; Tue, 22 Sep 2020 18:31:23 -0400 Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id AA6401600EF for ; Tue, 22 Sep 2020 15:31:16 -0700 (PDT) Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id zV02TCdX79RV for ; Tue, 22 Sep 2020 15:31:16 -0700 (PDT) Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id 0A5B31600F6 for ; Tue, 22 Sep 2020 15:31:16 -0700 (PDT) X-Virus-Scanned: amavisd-new at zimbra.cs.ucla.edu Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id aVVfGhEVB6tg for ; Tue, 22 Sep 2020 15:31:15 -0700 (PDT) Received: from [192.168.1.9] (cpe-23-243-218-95.socal.res.rr.com [23.243.218.95]) by zimbra.cs.ucla.edu (Postfix) with ESMTPSA id DF9ED1600EF for ; Tue, 22 Sep 2020 15:31:15 -0700 (PDT) To: control@debbugs.gnu.org From: Paul Eggert Subject: wontfix 23267 Autocrypt: addr=eggert@cs.ucla.edu; prefer-encrypt=mutual; keydata= LS0tLS1CRUdJTiBQR1AgUFVCTElDIEtFWSBCTE9DSy0tLS0tCgptUUlOQkV5QWNtUUJFQURB QXlIMnhvVHU3cHBHNUQzYThGTVpFb243NGRDdmM0K3ExWEEySjJ0QnkycHdhVHFmCmhweHhk R0E5Smo1MFVKM1BENGJTVUVnTjh0TFowc2FuNDdsNVhUQUZMaTI0NTZjaVNsNW04c0thSGxH ZHQ5WG0KQUF0bVhxZVpWSVlYL1VGUzk2ZkR6ZjR4aEVtbS95N0xiWUVQUWRVZHh1NDd4QTVL aFRZcDVibHRGM1dZRHoxWQpnZDdneDA3QXV3cDdpdzdlTnZub0RUQWxLQWw4S1lEWnpiRE5D UUdFYnBZM2VmWkl2UGRlSStGV1FONFcra2doCnkrUDZhdTZQcklJaFlyYWV1YTdYRGRiMkxT MWVuM1NzbUUzUWpxZlJxSS9BMnVlOEpNd3N2WGUvV0szOEV6czYKeDc0aVRhcUkzQUZINmls QWhEcXBNbmQvbXNTRVNORnQ3NkRpTzFaS1FNcjlhbVZQa25qZlBtSklTcWRoZ0IxRApsRWR3 MzRzUk9mNlY4bVp3MHhmcVQ2UEtFNDZMY0ZlZnpzMGtiZzRHT1JmOHZqRzJTZjF0azVlVThN Qml5Ti9iClowM2JLTmpOWU1wT0REUVF3dVA4NGtZTGtYMndCeHhNQWhCeHdiRFZadWR6eERa SjFDMlZYdWpDT0pWeHEya2wKakJNOUVUWXVVR3FkNzVBVzJMWHJMdzYrTXVJc0hGQVlBZ1Jy NytLY3dEZ0JBZndoUEJZWDM0blNTaUhsbUxDKwpLYUhMZUNMRjVaSTJ2S20zSEVlQ1R0bE9n N3haRU9OZ3d6TCtmZEtvK0Q2U29DOFJSeEpLczhhM3NWZkk0dDZDCm5yUXp2SmJCbjZneGRn Q3U1aTI5SjFRQ1lyQ1l2cWwyVXlGUEFLK2RvOTkvMWpPWFQ0bTI4MzZqMXdBUkFRQUIKdENC UVlYVnNJRVZuWjJWeWRDQThaV2RuWlhKMFFHTnpMblZqYkdFdVpXUjFQb2tDVlFRVEFRZ0FQ d0liQXdZTApDUWdIQXdJR0ZRZ0NDUW9MQkJZQ0F3RUNIZ0VDRjRBV0lRUitONUtwMkt6MzFq TzhGWWp0bCtrT1lxcCtOQVVDClh5Vzlsd1VKRks0THN3QUtDUkR0bCtrT1lxcCtOS05WRC85 SE1zSTE2MDZuMFV1VFhId0lUc3lPakFJOVNET1QKK0MzRFV2NnFsTTVCSDJuV0FNVGlJaXlB NXVnbHNKdjkzb2kydk50RmYvUS9tLzFjblpXZ25WbkV4a3lMSTRFTgpTZDF1QnZyMC9sQ1Nk UGxQME1nNkdXU3BYTXUreDB2ZFQwQWFaTk9URTBGblB1b2xkYzNYRDc2QzJxZzhzWC9pCmF4 WFRLSHk5UCtCbEFxL0NzNy9weERRMEV6U24wVVNaMkMwbDV2djRQTXBBL3BpY25TNks2MDlK dkRHYU9SbXcKWmVYSVpxUU5aVitaUXMrVVl0Vm9ndURUcWJ5M0lVWTFJOEJsWEhScHRhajlB TW40VW9oL0NxcFFsVm9qb3lXbApIcWFGbm5KQktlRjBodko5U0F5YWx3dXpBakc3dlFXMDdN WW5jYU9GbTB3b2lLYmc1SkxPOEY0U0JUSWt1TzBECkNmOW5MQWF5NlZzQjRyendkRWZSd2pQ TFlBbjdNUjNmdkhDRXpmcmtsZFRyYWlCTzFUMGllREs4MEk3c0xmNnAKTWVDWUkxOXBVbHgw L05STUdDZGRpRklRZGZ0aEtXWEdSUzVMQXM4andCZjhINkc1UFdpblByRUlhb21JUDIxaQp2 dWhRRDA3YllxOUlpSWRlbGpqVWRIY0dJMGkvQjRNNTZaYWE4RmYzOGluaU9sckRZQ21ZV1I0 ZENXWml1UWVaCjNPZ3FlUXM5YTZqVHZnZERHVm1SVnFZK2p6azhQbGFIZmNvazhST2hGY0hL a2NmaHVCaEwyNWhsUklzaFJET0UKc2tYcUt3bnpyYnFnYTNHWFpYZnNYQW9GYnpOaExkTHY5 QStMSkFZU2tYUDYvNXFkVHBFTFZHb3N5SDg4NFZkYgpCcGtHSTA0b1lWcXVsYmtDRFFSTWdI SmtBUkFBcG9YcnZ4UDNESWZqQ05PdFhVL1Bkd01TaEtkWC9SbFNzNVBmCnVuVjF3YktQOGhl clhIcnZRZEZWcUVDYVRTeG1saHpiazhYMFBrWTlnY1ZhVTJPNDlUM3FzT2QxY0hlRjUyWUYK R0V0MExoc0JlTWpnTlg1dVoxVjc2cjhneWVWbEZwV1diMFNJd0pVQkhyRFhleEY2N3VwZVJi MnZkSEJqWUROZQp5U24rMEI3Z0ZFcXZWbVp1K0xhZHVkRHA2a1FMamF0RnZIUUhVU0dOc2hC bmtrY2FUYmlJOVBzdDBHQ2MyYWl6Cm5CaVBQQTJXUXhBUGxQUmgzT0dUc241VEhBRG1ianFZ NkZFTUxhc1ZYOERTQ2JsTXZMd05lTy84U3h6aUJpZGgKcUxwSkNxZFFSV0hrdTVYeGdJa0dl S096NU9MRHZYSFdKeWFmckVZamprUzZBazZCNXo2c3ZLbGlDbFduakhRYwpqbFB6eW9GRmdL VEVmY3FEeENqNFJZMEQwRGd0RkQwTmZ5ZU9pZHJTQi9TelRlMmh3cnlRRTNycFNpcW8rMGNH CmR6aDR5QUhLWUorVXJYWjRwOTNaaGpHZktEMXhsck5ZRGxXeVc5UEdtYnZxRnVEbWlJQVFm OVdEL3d6RWZJQ2MKK0YrdURESSt1WWtSeFVGcDkyeWttZGhERUZnMXlqWXNVOGlHVTY5YUh5 dmhxMzZ6NHpjdHZicWhSTnpPV0IxYgpWSi9kSU1EdnNFeEdjWFFWRElUN3NETlh2MHdFM2pL U0twcDdOREcxb1hVWEwrMitTRjk5S2p5NzUzQWJRU0FtCkg2MTdmeUJOd2hKV3ZRWWcrbVV2 UHBpR090c2VzOUVYVUkzbFM0djBNRWFQRzQzZmxFczFVUisxcnBGUVdWSG8KMXkxT08rc0FF UUVBQVlrQ1BBUVlBUWdBSmdJYkRCWWhCSDQza3FuWXJQZldNN3dWaU8yWDZRNWlxbjQwQlFK ZgpKYjJ6QlFrVXJndlBBQW9KRU8yWDZRNWlxbjQwY25NUC8xN0NnVWtYVDlhSUpyaVBNOHdi Y2VZcmNsNytiZFlFCmY3OVNsd1NiYkhON1I0Q29JSkZPbE45Uy8zNHR5cEdWWXZwZ21DSkRZ RlRCeHlQTzkyaU1YRGdBNCtjV0h6dDUKVDFhWU85aHNLaGg3dkR0Sys2UHJvWkdjKzA4Z1VU WEhoYjk3aE1NUWhrbkpsbmZqcFNFQzllbTkwNkZVK0k5MwpUMWZUR3VwbkJhM2FXY0s4ak0w SmFCR2J5MmhHMVMzb2xhRExTVHRCSU5OQlltdnVXUjlNS09oaHFEcmxrNWN3CkZESkxoNU5y WHRlRVkwOFdBemNMekczcGtyWFBIa0ZlTVF0ZnFrMGpMZEdHdkdDM05DSWtxWXJkTGhpUnZH cHIKdTM4QzI2UkVuNWY0STB2R0UzVmZJWEhlOFRNQ05tUXV0MU50TXVVbXBESXkxYUx4R3p1 cHRVaG5PSk4vL3IrVgpqRFBvaTNMT3lTTllwaHFlL2RNdWJzZlVyNm9oUDQxbUtGODFGdXdJ NGFtcUp0cnFJTDJ5cWF4M2EwcWxmd0N4ClhmdGllcUpjdWVrWCtlQ1BEQ0tyWU1YUjBGWWd3 cEcySVRaVUd0ckVqRVNsRTZEc2N4NzM0SEtkcjVPUklvY0wKVVVLRU9HZWlVNkRHaEdGZGI1 VHd1MFNuK3UxbVVQRE4wTSsrQ2RNdkNsSUU4a2xvNEc5MUVPSW11MVVwYjh4YwpPUFF3eGgx andxU3JVNVF3b05tU1llZ1FTSExwSVV1ckZ6MWlRVWgxdnBQWHpLaW5rV0VxdjRJcUExY2lM K0x5CnlTdUxrcDdNc0pwVlJNYldKQ05XT09TYmFING9EQko1ZEhNR2MzNXg1bW9zQ2s5MFBY a251RkREc1lIZkRvNXMKbWY5bG82WVh4N045Cj0zTGFJCi0tLS0tRU5EIFBHUCBQVUJMSUMg S0VZIEJMT0NLLS0tLS0K Organization: UCLA Computer Science Department Message-ID: Date: Tue, 22 Sep 2020 15:31:15 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: control X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -3.3 (---) tags 23267 + wontfix From debbugs-submit-bounces@debbugs.gnu.org Tue Sep 22 18:35:41 2020 Received: (at 23267-done) by debbugs.gnu.org; 22 Sep 2020 22:35:41 +0000 Received: from localhost ([127.0.0.1]:33680 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kKqsv-0003z4-IZ for submit@debbugs.gnu.org; Tue, 22 Sep 2020 18:35:41 -0400 Received: from zimbra.cs.ucla.edu ([131.179.128.68]:54844) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kKqst-0003yp-9K for 23267-done@debbugs.gnu.org; Tue, 22 Sep 2020 18:35:39 -0400 Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id E970A1600F3; Tue, 22 Sep 2020 15:35:33 -0700 (PDT) Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id 3Y_6cKfdVBKj; Tue, 22 Sep 2020 15:35:33 -0700 (PDT) Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id 4BDFC1600F6; Tue, 22 Sep 2020 15:35:33 -0700 (PDT) X-Virus-Scanned: amavisd-new at zimbra.cs.ucla.edu Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id L3WKGk6ikesj; Tue, 22 Sep 2020 15:35:33 -0700 (PDT) Received: from [192.168.1.9] (cpe-23-243-218-95.socal.res.rr.com [23.243.218.95]) by zimbra.cs.ucla.edu (Postfix) with ESMTPSA id 1EBD71600F3; Tue, 22 Sep 2020 15:35:33 -0700 (PDT) Subject: Re: bug#23267: suggestion: silently ignore EPIPE errors when SIGPIPE is set to 'ignore' From: Paul Eggert To: Assaf Gordon References: <570B5681.6050703@cs.ucla.edu> Autocrypt: addr=eggert@cs.ucla.edu; 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Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <570B5681.6050703@cs.ucla.edu> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 23267-done Cc: 23267-done@debbugs.gnu.org X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -3.3 (---) I'm cleaning up old grep bug reports and am closing this one as wontfix. From unknown Fri Aug 15 14:45:12 2025 Received: (at fakecontrol) by fakecontrolmessage; To: internal_control@debbugs.gnu.org From: Debbugs Internal Request Subject: Internal Control Message-Id: bug archived. Date: Wed, 21 Oct 2020 11:24:08 +0000 User-Agent: Fakemail v42.6.9 # This is a fake control message. # # The action: # bug archived. thanks # This fakemail brought to you by your local debbugs # administrator