From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Marcin Borkowski Newsgroups: gmane.emacs.help Subject: Re: Repeating timers and suspending the computer Date: Sat, 10 Dec 2022 22:39:11 +0100 Message-ID: <87ilijdjls.fsf@mbork.pl> References: <87r0x9dug9.fsf@mbork.pl> <834ju511jl.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="19889"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: mu4e 1.1.0; emacs 29.0.50 Cc: help-gnu-emacs@gnu.org To: Eli Zaretskii Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Sat Dec 10 22:40:05 2022 Return-path: Envelope-to: geh-help-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 1p47Zl-0004zz-4N for geh-help-gnu-emacs@m.gmane-mx.org; Sat, 10 Dec 2022 22:40:05 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1p47Z9-00076G-NY; Sat, 10 Dec 2022 16:39:27 -0500 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 1p47Z7-00075q-6u for help-gnu-emacs@gnu.org; Sat, 10 Dec 2022 16:39:25 -0500 Original-Received: from mail.mojserwer.eu ([195.110.48.8]) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1p47Z5-0007z7-1W; Sat, 10 Dec 2022 16:39:24 -0500 Original-Received: from localhost (localhost [127.0.0.1]) by mail.mojserwer.eu (Postfix) with ESMTP id A53507D3813; Sat, 10 Dec 2022 22:39:18 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at mail.mojserwer.eu Original-Received: from mail.mojserwer.eu ([127.0.0.1]) by localhost (mail.mojserwer.eu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id KtlXMgsZ_a2t; Sat, 10 Dec 2022 22:39:15 +0100 (CET) Original-Received: from localhost (178235147188.dynamic-3-poz-k-0-1-0.vectranet.pl [178.235.147.188]) by mail.mojserwer.eu (Postfix) with ESMTPSA id C38FE227159A; Sat, 10 Dec 2022 22:39:14 +0100 (CET) In-reply-to: <834ju511jl.fsf@gnu.org> Received-SPF: pass client-ip=195.110.48.8; envelope-from=mbork@mbork.pl; helo=mail.mojserwer.eu X-Spam_score_int: -25 X-Spam_score: -2.6 X-Spam_bar: -- X-Spam_report: (-2.6 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.help:141606 Archived-At: On 2022-12-09, at 08:25, Eli Zaretskii wrote: >> From: Marcin Borkowski >> Date: Fri, 09 Dec 2022 06:20:22 +0100 >> >> assume that I said >> >> (run-with-timer 0 1 >> (lambda () (message "%s" (format-time-string "%H:%M:%S.%3N")))) >> >> and put my laptop in the "sleep mode" for 20 seconds. How many time >> messages should I get? Assume `timer-max-repeats' is 10 (which seems to >> be the default). >> >> When I did the experiment, it seemed that the timer'd function was run >> /twice/ after waking up, which looks really strange -- why two times? > > I think you have some implicit mental model of what happens when the I think so, though it is pretty vague ATM. > number of delayed invocations of the timer function exceeds that > limit, a model that you didn't describe. You seem to be assuming that > you will get those 10 invocations, and no more, is that right? But "Assuming" is probably not the best word. "Suspecting" might fit better;-). > that is not the only possible way of dealing with this situation. In > fact, it isn't even smart: if time has jumped far ahead, why should > Emacs give you 10 useless invocations of the timer? Well, I can think of some reasons... (Not to say they are very /good/ reasons.) > Or if you were expecting something else, please tell what you expected > and why. Frankly, I expected my function to be called either once or 10 times, but not twice. So, how can I get a better mental model? -- Marcin Borkowski http://mbork.pl