From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#26710: Fwd: 25.2; project-find-regexp makes emacs use 100% cpu Date: Tue, 02 May 2017 20:41:57 +0300 Message-ID: <837f1zi2ai.fsf@gnu.org> References: <87a86zu3gf.fsf@hari-laptop.i-did-not-set--mail-host-address--so-tickle-me> <83vapnktcn.fsf@gnu.org> <3d76a3ac-32ad-412d-349d-5904fc964a2b@yandex.ru> <83ziexka0s.fsf@gnu.org> <77b3a404-adac-fd1c-bd99-ad10e2450338@yandex.ru> <83inlljb5r.fsf@gnu.org> <83lgqfivb0.fsf@gnu.org> <9474c678-b092-81f0-f5b3-f26d4467ac86@yandex.ru> <838tmfi30k.fsf@gnu.org> Reply-To: Eli Zaretskii NNTP-Posting-Host: blaine.gmane.org X-Trace: blaine.gmane.org 1493746990 10341 195.159.176.226 (2 May 2017 17:43:10 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Tue, 2 May 2017 17:43:10 +0000 (UTC) Cc: hariharanrangasamy@gmail.com, 26710@debbugs.gnu.org To: dgutov@yandex.ru Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue May 02 19:43:06 2017 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1d5bpK-0002aR-0Z for geb-bug-gnu-emacs@m.gmane.org; Tue, 02 May 2017 19:43:06 +0200 Original-Received: from localhost ([::1]:60415 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d5bpP-0004qH-Qf for geb-bug-gnu-emacs@m.gmane.org; Tue, 02 May 2017 13:43:11 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:52264) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d5bpJ-0004q8-7w for bug-gnu-emacs@gnu.org; Tue, 02 May 2017 13:43:06 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1d5bpG-0001pj-4A for bug-gnu-emacs@gnu.org; Tue, 02 May 2017 13:43:05 -0400 Original-Received: from debbugs.gnu.org ([208.118.235.43]:53223) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1d5bpF-0001pW-WA for bug-gnu-emacs@gnu.org; Tue, 02 May 2017 13:43:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1d5bpF-0006Uj-N0 for bug-gnu-emacs@gnu.org; Tue, 02 May 2017 13:43:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 02 May 2017 17:43:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 26710 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 26710-submit@debbugs.gnu.org id=B26710.149374696724945 (code B ref 26710); Tue, 02 May 2017 17:43:01 +0000 Original-Received: (at 26710) by debbugs.gnu.org; 2 May 2017 17:42:47 +0000 Original-Received: from localhost ([127.0.0.1]:51422 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1d5bp0-0006UH-P8 for submit@debbugs.gnu.org; Tue, 02 May 2017 13:42:46 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:32970) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1d5boz-0006U5-SV for 26710@debbugs.gnu.org; Tue, 02 May 2017 13:42:46 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1d5bor-0001On-Ku for 26710@debbugs.gnu.org; Tue, 02 May 2017 13:42:40 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:33805) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d5bor-0001Ob-H1; Tue, 02 May 2017 13:42:37 -0400 Original-Received: from 84.94.185.246.cable.012.net.il ([84.94.185.246]:3134 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1d5boo-00037L-Mg; Tue, 02 May 2017 13:42:37 -0400 In-reply-to: <838tmfi30k.fsf@gnu.org> (message from Eli Zaretskii on Tue, 02 May 2017 20:26:19 +0300) 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: 208.118.235.43 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" Xref: news.gmane.org gmane.emacs.bugs:132193 Archived-At: > Date: Tue, 02 May 2017 20:26:19 +0300 > From: Eli Zaretskii > Cc: hariharanrangasamy@gmail.com, 26710@debbugs.gnu.org > > > It seems a bit brittle, though: if the process filter is supposed to be > > calling the callback for each item, the callback has to be in place > > right away. And the process will be started before that happens. > > You can countermand that by using make-process with the :stop > attribute, then use 'continue-process' when everything is set up. Darn, this won't work on systems without SIGCONT support, like MS-Windows. But I don't think this is a real problem anyway: Emacs will not try sensing for subprocess output until it becomes idle, so as long as the code which sets up the process's filter and sentinel functions and their respective callbacks runs, Emacs will not try to call the filter/sentinel functions.