From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Stefan Monnier via "Bug reports for GNU Emacs, the Swiss army knife of text editors" 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 09:35:37 -0400 Message-ID: References: <86frtzsxrm.fsf@gnu.org> Reply-To: Stefan Monnier 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="3737"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Cc: n142857@gmail.com, 71223@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Thu May 30 15:36:21 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 1sCfx6-0000jf-Hh for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 30 May 2024 15:36:20 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sCfwf-0007rs-PD; Thu, 30 May 2024 09:35:53 -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 1sCfwe-0007qj-JB for bug-gnu-emacs@gnu.org; Thu, 30 May 2024 09:35:52 -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 1sCfwe-0003U2-AC for bug-gnu-emacs@gnu.org; Thu, 30 May 2024 09:35:52 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1sCfwo-0003qA-BC for bug-gnu-emacs@gnu.org; Thu, 30 May 2024 09:36:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Stefan Monnier Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 30 May 2024 13:36:02 +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=B71223.171707615714744 (code B ref 71223); Thu, 30 May 2024 13:36:02 +0000 Original-Received: (at 71223) by debbugs.gnu.org; 30 May 2024 13:35:57 +0000 Original-Received: from localhost ([127.0.0.1]:36019 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1sCfwj-0003pk-KN for submit@debbugs.gnu.org; Thu, 30 May 2024 09:35:57 -0400 Original-Received: from mailscanner.iro.umontreal.ca ([132.204.25.50]:19790) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1sCfwh-0003pQ-Tm for 71223@debbugs.gnu.org; Thu, 30 May 2024 09:35:56 -0400 Original-Received: from pmg1.iro.umontreal.ca (localhost.localdomain [127.0.0.1]) by pmg1.iro.umontreal.ca (Proxmox) with ESMTP id 27E02100048; Thu, 30 May 2024 09:35:39 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=iro.umontreal.ca; s=mail; t=1717076138; bh=u9D987CoyOT/4gNwkolpsa5hE5ndcmCs7jzvHkkHg8I=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=Gr7dg3NI6kyu7lqu9uDDpZd5aS1RJslkWyy+KuljuoEcOfHsVdC5L533ZSNnYCxNc FdVtiuYiu8LUta6LHVCP0srubgWTN4iXNzigZ1IYa3sCWWKGPc0GTBrPwUTK5idBwR LkBPBsIebXwPYc7ZvmdaOVh5zHn1taQo/QMNPYTG5IMYD+mKmvzT6QnVHvGHjEZFIu BdvrNtYVhYefkDwduNm7R8zTsJs19lzORcrhHoLe5l3Ksfn3Tuk2mA5T3tRx7J0k3w 9er1cj1TIH7vRVj4Y2ku4eBJutFD4cQqXwmjzfpgizLVx+pcXV46zOvSTsVx0Z7EXL 5J4jKOVneZpjA== Original-Received: from mail01.iro.umontreal.ca (unknown [172.31.2.1]) by pmg1.iro.umontreal.ca (Proxmox) with ESMTP id 30C1F100035; Thu, 30 May 2024 09:35:38 -0400 (EDT) Original-Received: from pastel (unknown [24.140.236.196]) by mail01.iro.umontreal.ca (Postfix) with ESMTPSA id 0669A1204B0; Thu, 30 May 2024 09:35:38 -0400 (EDT) In-Reply-To: <86frtzsxrm.fsf@gnu.org> (Eli Zaretskii's message of "Thu, 30 May 2024 07:56:45 +0300") 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:286224 Archived-At: > 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. Hmm... the nested runs happens from within an outer `sit-for`, so the time taken by the nested runs could/should count as part of the wait time of the outer `sit-for`, thus sort of "running in parallel". Apparently you're right, tho: (progn (run-with-timer 0 nil #'sit-for 2) (benchmark-call (lambda () (sit-for 2)))) =3D=3D> (4.020784627 0 0.0) but this looks like a bug in `sit-for` to me. =F0=9F=99=81 > 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. Indeed, the upside is that it means my patch doesn't make things worse in this respect. =F0=9F=99=82 Stefan