From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.ciao.gmane.io!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#40023: 26.3 Emacs crashes when creating process if many file handles are in use (e.g., when using ccls) Date: Sat, 11 Apr 2020 22:02:20 +0300 Message-ID: <83k12llubn.fsf@gnu.org> References: Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Injection-Info: ciao.gmane.io; posting-host="ciao.gmane.io:159.69.161.202"; logging-data="64735"; mail-complaints-to="usenet@ciao.gmane.io" Cc: rpluim@gmail.com, 40023@debbugs.gnu.org To: Mattias =?UTF-8?Q?Engdeg=C3=A5rd?= Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sat Apr 11 21:03:10 2020 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 1jNLPK-000GjY-II for geb-bug-gnu-emacs@m.gmane-mx.org; Sat, 11 Apr 2020 21:03:10 +0200 Original-Received: from localhost ([::1]:55092 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jNLPJ-000233-I9 for geb-bug-gnu-emacs@m.gmane-mx.org; Sat, 11 Apr 2020 15:03:09 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:38658) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jNLPD-00022i-4d for bug-gnu-emacs@gnu.org; Sat, 11 Apr 2020 15:03:04 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1jNLPC-0008Vd-9A for bug-gnu-emacs@gnu.org; Sat, 11 Apr 2020 15:03:03 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:45545) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1jNLPC-0008VR-65 for bug-gnu-emacs@gnu.org; Sat, 11 Apr 2020 15:03:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1jNLPC-0002nb-3b for bug-gnu-emacs@gnu.org; Sat, 11 Apr 2020 15:03:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 11 Apr 2020 19:03:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 40023 X-GNU-PR-Package: emacs Original-Received: via spool by 40023-submit@debbugs.gnu.org id=B40023.158663176210733 (code B ref 40023); Sat, 11 Apr 2020 19:03:02 +0000 Original-Received: (at 40023) by debbugs.gnu.org; 11 Apr 2020 19:02:42 +0000 Original-Received: from localhost ([127.0.0.1]:57091 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jNLOs-0002n3-JJ for submit@debbugs.gnu.org; Sat, 11 Apr 2020 15:02:42 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:51703) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jNLOr-0002mr-Gf for 40023@debbugs.gnu.org; Sat, 11 Apr 2020 15:02:41 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:47494) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1jNLOm-0008Pd-Cc; Sat, 11 Apr 2020 15:02:36 -0400 Original-Received: from [176.228.60.248] (port=1252 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1jNLOl-0001gX-Gb; Sat, 11 Apr 2020 15:02:36 -0400 In-Reply-To: (message from Mattias =?UTF-8?Q?Engdeg=C3=A5rd?= on Sat, 11 Apr 2020 20:15:37 +0200) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.51.188.43 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-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:178210 Archived-At: > From: Mattias Engdegård > Date: Sat, 11 Apr 2020 20:15:37 +0200 > Cc: Robert Pluim , Eli Zaretskii > > Actually reducing RLIMIT_NOFILE doesn't sound like a terrific idea -- if anything, we need as many descriptors as we can get, in particular on macOS where kqueue uses up one per monitored file. If we are limited by FD_SETSIZE, then we shouldn't use select. Or am I missing something? We are talking about the emacs-27 branch, where such deep changes are out of the question.