From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#19897: 24.3; Emacs exits with exit code 0 if EOF of stdin has been reached Date: Wed, 18 Feb 2015 23:16:40 +0200 Message-ID: <83twyi539j.fsf@gnu.org> References: Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1424294241 12210 80.91.229.3 (18 Feb 2015 21:17:21 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 18 Feb 2015 21:17:21 +0000 (UTC) Cc: 19897-done@debbugs.gnu.org To: Philipp Stephani Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed Feb 18 22:17:13 2015 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1YOBzc-00070d-Fc for geb-bug-gnu-emacs@m.gmane.org; Wed, 18 Feb 2015 22:17:12 +0100 Original-Received: from localhost ([::1]:53138 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YOBzb-0001gW-Mw for geb-bug-gnu-emacs@m.gmane.org; Wed, 18 Feb 2015 16:17:11 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:59826) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YOBzW-0001eJ-7u for bug-gnu-emacs@gnu.org; Wed, 18 Feb 2015 16:17:08 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YOBzS-0001II-Uy for bug-gnu-emacs@gnu.org; Wed, 18 Feb 2015 16:17:06 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:56898) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YOBzS-0001IC-Rm for bug-gnu-emacs@gnu.org; Wed, 18 Feb 2015 16:17:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1YOBzS-0000lt-LL for bug-gnu-emacs@gnu.org; Wed, 18 Feb 2015 16:17:02 -0500 Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-To: bug-gnu-emacs@gnu.org Resent-Date: Wed, 18 Feb 2015 21:17:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: cc-closed 19897 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Mail-Followup-To: 19897@debbugs.gnu.org, eliz@gnu.org, p.stephani2@gmail.com Original-Received: via spool by 19897-done@debbugs.gnu.org id=D19897.14242941932921 (code D ref 19897); Wed, 18 Feb 2015 21:17:02 +0000 Original-Received: (at 19897-done) by debbugs.gnu.org; 18 Feb 2015 21:16:33 +0000 Original-Received: from localhost ([127.0.0.1]:48137 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1YOByz-0000l3-GT for submit@debbugs.gnu.org; Wed, 18 Feb 2015 16:16:33 -0500 Original-Received: from mtaout22.012.net.il ([80.179.55.172]:60274) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1YOByw-0000kt-Cz for 19897-done@debbugs.gnu.org; Wed, 18 Feb 2015 16:16:31 -0500 Original-Received: from conversion-daemon.a-mtaout22.012.net.il by a-mtaout22.012.net.il (HyperSendmail v2007.08) id <0NJZ00M00KBELE00@a-mtaout22.012.net.il> for 19897-done@debbugs.gnu.org; Wed, 18 Feb 2015 23:16:28 +0200 (IST) Original-Received: from HOME-C4E4A596F7 ([87.69.4.28]) by a-mtaout22.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0NJZ00MJAKFGJK20@a-mtaout22.012.net.il>; Wed, 18 Feb 2015 23:16:28 +0200 (IST) In-reply-to: X-012-Sender: halo1@inter.net.il X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 140.186.70.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:99567 Archived-At: > From: Philipp Stephani > Date: Wed, 18 Feb 2015 21:58:42 +0100 > > This has been discussed in > https://lists.gnu.org/archive/html/help-gnu-emacs/2015-02/msg00381.html. > > To reproduce: > > $ emacs -Q -batch -eval '(error "foo")' < /dev/null ; echo $? > foo > 255 > > $ emacs -Q -batch -eval '(kill-emacs 37)' < /dev/null ; echo $? > 37 > > $ emacs -Q -batch -eval '(progn (ignore-errors (read)) (kill-emacs 37))' <<< nil ; echo $? > Lisp expression: 37 > > $ emacs -Q -batch -eval '(read)' < /dev/null ; echo $? > Lisp expression: Error reading from stdin > 0 > > $ emacs -Q -batch -eval '(progn (ignore-errors (read)) (kill-emacs 37))' < /dev/null ; echo $? > Lisp expression: 0 > > The examples with nonzero exit code are as expected. The examples with > zero exit code are unexpected. They are caused by the code > > if (feof (stdin)) > arg = Qt; > > in Fkill_emacs. This behavior confuses e.g. unit tests runners that > rely on a precise exit code. > It is not documented in the documentation for kill-emacs. Fixed in commit 7932d06 on master branch.