From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Spencer Baugh Newsgroups: gmane.emacs.devel Subject: Re: unwind-protect within while-no-input Date: Tue, 07 May 2024 15:43:43 -0400 Organization: Jane Street Capital Message-ID: References: <86msp1a24a.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="39635"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) To: emacs-devel@gnu.org Cancel-Lock: sha1:9AsGQY3B63NqdNM5xf6Tu9GgIDI= Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Wed May 08 04:23:32 2024 Return-path: Envelope-to: ged-emacs-devel@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 1s4Wxw-000ABT-J1 for ged-emacs-devel@m.gmane-mx.org; Wed, 08 May 2024 04:23:32 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1s4Wxf-0005tU-AV; Tue, 07 May 2024 22:23:16 -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 1s4QjF-0000bY-Kd for emacs-devel@gnu.org; Tue, 07 May 2024 15:43:57 -0400 Original-Received: from ciao.gmane.io ([116.202.254.214]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1s4QjE-0007fX-2X for emacs-devel@gnu.org; Tue, 07 May 2024 15:43:57 -0400 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1s4QjA-00099e-BF for emacs-devel@gnu.org; Tue, 07 May 2024 21:43:52 +0200 X-Injected-Via-Gmane: http://gmane.org/ Received-SPF: pass client-ip=116.202.254.214; envelope-from=ged-emacs-devel@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 autolearn=no autolearn_force=no X-Spam_action: no action X-Mailman-Approved-At: Tue, 07 May 2024 22:23:09 -0400 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.devel:318985 Archived-At: Eli Zaretskii writes: >> It seems like it's impossible right now to use unwind-protect robustly >> in face of quits, because a quit triggered in the body forms of the >> unwind-protect will also interrupt the unwind forms. > > I think you can use condition-case for that: > > (setq foo > (condition-case nil > (while t nil) > (quit 'interrupted))) C-M-x C-g > => interrupted That doesn't work with while-no-input: (let (foo) (while-no-input (condition-case nil (while t nil) (quit (setq foo 'interrupted)))) foo) C-x C-e aaa => nil