From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Emanuel Berg via Users list for the GNU Emacs text editor Newsgroups: gmane.emacs.help Subject: Re: Fun with async processes Date: Mon, 31 Jan 2022 18:11:44 +0100 Message-ID: <871r0nakz3.fsf@zoho.eu> References: <87leyvyknv.fsf@elite.giraud> Reply-To: Emanuel Berg Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="9766"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) To: help-gnu-emacs@gnu.org Cancel-Lock: sha1:vpSxhP+egGNTErEOJ3X/ufbO4HQ= Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Mon Jan 31 18:34:34 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 1nEaZU-0002Eg-3V for geh-help-gnu-emacs@m.gmane-mx.org; Mon, 31 Jan 2022 18:34:32 +0100 Original-Received: from localhost ([::1]:37186 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nEaZS-0007Y2-Hm for geh-help-gnu-emacs@m.gmane-mx.org; Mon, 31 Jan 2022 12:34:30 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:52848) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nEaDe-00032E-At for help-gnu-emacs@gnu.org; Mon, 31 Jan 2022 12:11:58 -0500 Original-Received: from ciao.gmane.io ([116.202.254.214]:45882) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nEaDc-0000Py-58 for help-gnu-emacs@gnu.org; Mon, 31 Jan 2022 12:11:58 -0500 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1nEaDZ-00029R-2R for help-gnu-emacs@gnu.org; Mon, 31 Jan 2022 18:11:53 +0100 X-Injected-Via-Gmane: http://gmane.org/ Mail-Followup-To: help-gnu-emacs@gnu.org Mail-Copies-To: never Received-SPF: pass client-ip=116.202.254.214; envelope-from=geh-help-gnu-emacs@m.gmane-mx.org; helo=ciao.gmane.io X-Spam_score_int: -16 X-Spam_score: -1.7 X-Spam_bar: - X-Spam_report: (-1.7 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.248, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no 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" Xref: news.gmane.io gmane.emacs.help:135615 Archived-At: tomas wrote: > An obvious approach is to have each sentinel call a "global" > sentinel which checks whether there are any processes still > running (akin to your myrun, only that it just gets called > after each process's termination). Won't that move the "busy wait" to the global sentinel? Send signals? Yeah, heavy-handed ... ;;; -*- lexical-binding: t -*- ;;; ;;; this file: ;;; http://user.it.uu.se/~embe8573/emacs-init/signal.el ;;; https://dataswamp.org/~incal/emacs-init/signal.el ;;; ;;; test from Emacs: ;;; (signal-process (emacs-pid) 'sigusr1) ;;; ;;; test from zsh: ;;; $ kill -s usr1 $(pidof emacs) (defun signal-usr1-f () (interactive) (message "USR1 signal") ) (define-key special-event-map [sigusr1] #'signal-usr1-f) -- underground experts united https://dataswamp.org/~incal