From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Stephen Leake Newsgroups: gmane.emacs.bugs Subject: bug#56606: Acknowledgement (29.0.50; recent master fails with "creating pipe: too many open files") Date: Mon, 18 Jul 2022 16:54:55 -0700 Message-ID: <865yju9dtc.fsf@stephe-leake.org> References: <86ilnwafso.fsf@stephe-leake.org> <86a6989itv.fsf@stephe-leake.org> <8335f0qbvn.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="20204"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (windows-nt) Cc: 56606@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Tue Jul 19 01:56:16 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 1oDab0-00052W-S6 for geb-bug-gnu-emacs@m.gmane-mx.org; 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Mon, 18 Jul 2022 17:54:59 -0600 In-Reply-To: <8335f0qbvn.fsf@gnu.org> (Eli Zaretskii's message of "Sun, 17 Jul 2022 13:20:12 +0300") X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - host2007.hostmonster.com X-AntiAbuse: Original Domain - debbugs.gnu.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - stephe-leake.org X-BWhitelist: no X-Source-IP: 135.180.197.170 X-Source-L: No X-Exim-ID: 1oDaZn-0008tk-1D X-Source-Sender: 135-180-197-170.fiber.dynamic.sonic.net (Takver4) [135.180.197.170]:61585 X-Source-Auth: stephen_leake@stephe-leake.org X-Email-Count: 2 X-Source-Cap: c3RlcGhlbGU7c3RlcGhlbGU7aG9zdDIwMDcuaG9zdG1vbnN0ZXIuY29t X-Local-Domain: yes 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:237390 Archived-At: Eli Zaretskii writes: >> From: Stephen Leake >> Date: Sun, 17 Jul 2022 02:42:04 -0700 >> >> On emacs-devel, Eli said: >> >> AFAICT, this loop in deactivate_process: >> >> /* Beware SIGCHLD hereabouts. */ >> >> for (i = 0; i < PROCESS_OPEN_FDS; i++) >> close_process_fd (&p->open_fd[i]); >> >> doesn't close the last of the 4 descriptors opened by the 2 emacs_pipe >> calls in make-pipe-process. It calls 'close' with the right value, >> and close returns zero, but the pipe stays open. In Emacs 28, this >> same loop successfully closes the descriptor. I don't know why. >> >> Perhaps bisecting could help. > > I think commit a81669c could be the culprit. git bisect agrees. -- -- Stephe