From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#71223: 30.0.50; stack overflow after very fast opening and closing of frames Date: Thu, 30 May 2024 07:56:45 +0300 Message-ID: <86frtzsxrm.fsf@gnu.org> References: Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="28783"; mail-complaints-to="usenet@ciao.gmane.io" Cc: n142857@gmail.com, 71223@debbugs.gnu.org To: Stefan Monnier Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Thu May 30 07:00:18 2024 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 1sCXth-0007Hb-Tm for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 30 May 2024 07:00:18 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sCXtJ-0001O0-Sc; Thu, 30 May 2024 00:59:53 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sCXtI-0001Ng-GN for bug-gnu-emacs@gnu.org; Thu, 30 May 2024 00:59:52 -0400 Original-Received: from debbugs.gnu.org ([2001:470:142:5::43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1sCXtI-0005Zi-83 for bug-gnu-emacs@gnu.org; Thu, 30 May 2024 00:59:52 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1sCXtS-0002U3-FC for bug-gnu-emacs@gnu.org; Thu, 30 May 2024 01:00:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 30 May 2024 05:00:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 71223 X-GNU-PR-Package: emacs Original-Received: via spool by 71223-submit@debbugs.gnu.org id=B71223.17170451589429 (code B ref 71223); Thu, 30 May 2024 05:00:02 +0000 Original-Received: (at 71223) by debbugs.gnu.org; 30 May 2024 04:59:18 +0000 Original-Received: from localhost ([127.0.0.1]:45130 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1sCXsj-0002S1-Q9 for submit@debbugs.gnu.org; Thu, 30 May 2024 00:59:18 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:53400) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1sCXsg-0002Rk-BS for 71223@debbugs.gnu.org; Thu, 30 May 2024 00:59:16 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sCXqJ-0005Cu-Qo; Thu, 30 May 2024 00:56:47 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=x0OGAIn2FXiqHprvsuLuDjt9uOxId43+yONVZtdJQl0=; b=G/Y5Fp/i15Wt JGXnJ29y7fm+GhA9V9NaoIXlBrhamznaU/Bx5pDkxc/Q450x28Kp1Svhebz5ScZ/0B28KYFXDH2xY xrAZSZD5Kcg3+czn/RvNF/jmKkbIYh64YGnv7Rj2qEjkdI++e6IZlybvIB3syI3IMTq2Dw8c1Ryw4 r2JM6xcbfxuG/Wxqmps/yR0bxXcn/ZiWVUqNqnavo8SluRTO1md0qeHCgz2TClKAbm8+CajcWtFAQ 22k/5GRJAMF3eEsa89r1Hkbtv3751cezJhZoGMzrGWIq2Qt3Uk4EzuPlHgKppH4YA6YNRVzShEdFB +JOIj80oH/mCZiR83uG4ZQ==; In-Reply-To: (bug-gnu-emacs@gnu.org) 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-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:286193 Archived-At: > Cc: 71223@debbugs.gnu.org > Date: Wed, 29 May 2024 15:56:17 -0400 > From: Stefan Monnier via "Bug reports for GNU Emacs, > the Swiss army knife of text editors" > > IIUC this problem is not really new with my code (tho, I guess when the > process-filters are run in a nested fashion, the various `sit-for` can > be done in parallel, whereas with my patch they are done sequentially, > significantly increasing the visible delay when you have many such > requests). No, the nested sit-for calls are NOT running in parallel, because there's just one thread running them all. Only the innermost sit-for is actually "running", in the sense that its pselect loop in waiting for input. So what your change does is replace a depth-first sequence of sit-for with a kind-of breadth-first sequence. But it's a sequence in either case.