From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Robert Pluim Newsgroups: gmane.emacs.bugs Subject: bug#54667: 29.0.50; posix_spawn breaks emacs-gdb Date: Fri, 01 Apr 2022 14:16:02 +0200 Message-ID: <87fsmx80e5.fsf@gmail.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="11607"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 54667@debbugs.gnu.org To: =?UTF-8?Q?G=C3=A9za?= Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Fri Apr 01 14:17:16 2022 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1naGDM-0002p3-43 for geb-bug-gnu-emacs@m.gmane-mx.org; Fri, 01 Apr 2022 14:17:16 +0200 Original-Received: from localhost ([::1]:54376 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1naGDL-0008PY-2d for geb-bug-gnu-emacs@m.gmane-mx.org; 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Fri, 01 Apr 2022 05:16:05 -0700 (PDT) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list 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-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:229222 Archived-At: >>>>> On Fri, 1 Apr 2022 12:51:43 +0200, Herman@debbugs.gnu.org, G=C3=A9za = said: Herman> There's a gdb frontend: https://github.com/weirdNox/emacs-gdb Herman> With the emacs commit "a60053f836 Use posix_spawn if possible.", Herman> emacs-gdb doesn't work properly: when starting an executable, g= db says Herman> that it's running, but in reality, it doesn't start. The process Herman> itself is started, gdb attaches to it, but the process still no= t run Herman> for some reason. Herman> You can reproduce this: Herman> 1. install emacs-gdb Herman> 2. M-x gdb-executable, enter any executable, like "/bin/ls". em= acs-gdb Herman> should open a new frame. Herman> 3. Then press f5 (this executes gdb-run-or-continue), this shou= ld Herman> start the process in gdb. Herman> Before the mentioned commit, this worked, and "ls" was run Herman> properly. But with this commit, "ls" isn't started. Herman> I checked this with a recent master Herman> (bd5d136777ef30f36807c7e690413846ed38fce1), and still happens. = Adding Herman> #undef USABLE_POSIX_SPAWN Herman> #define USABLE_POSIX_SPAWN 0 Herman> to callproc.c at line 49 fixes the issue. There=CA=BCs a patch from J=C3=BCrgen H=C3=B6tzel in <86o82mvybj.fsf@hoetze= l.info> on emacs-devel that should fix it (I haven't had a chance to fully test it). Robert --=20