From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Sergey Organov Newsgroups: gmane.emacs.devel Subject: Re: Should (buffer-list) ever return killed buffers? Date: Mon, 24 May 2021 02:55:01 +0300 Message-ID: <87fsyduht6.fsf@osv.gnss.ru> References: <87wnrpujo0.fsf@osv.gnss.ru> <64cb5093-c610-bf6f-5794-60f62972a58b@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="2532"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Cc: emacs-devel@gnu.org To: =?utf-8?Q?Cl=C3=A9ment?= Pit-Claudel Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Mon May 24 01:55:56 2021 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 1lkxwo-0000Wa-GJ for ged-emacs-devel@m.gmane-mx.org; Mon, 24 May 2021 01:55:54 +0200 Original-Received: from localhost ([::1]:52118 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lkxwn-0002fL-Gv for ged-emacs-devel@m.gmane-mx.org; Sun, 23 May 2021 19:55:53 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:52352) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lkxw3-0001wD-Fv for emacs-devel@gnu.org; Sun, 23 May 2021 19:55:07 -0400 Original-Received: from mail-lj1-x230.google.com ([2a00:1450:4864:20::230]:47032) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lkxw1-0001SR-LR for emacs-devel@gnu.org; Sun, 23 May 2021 19:55:07 -0400 Original-Received: by mail-lj1-x230.google.com with SMTP id e11so31167862ljn.13 for ; Sun, 23 May 2021 16:55:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:references:date:in-reply-to:message-id :user-agent:mime-version:content-transfer-encoding; bh=8HGJxsAp7QrUnbpM8xxNxIYeLS9AZixU9Tv7wM//IJI=; b=dzbiuMIY6MrBfalLyYK7Hfsm6zUib1yzYNQUoGtrgkv3E70W0vuhZxUiu3PQEzdhrG mEL25KlC0/SjZci8M4gSNJtyts6SMpvh7MJuElTvYWSOMfrHXXDO1TeYY3mIEzudTrEd CirYl2x1cWj3rpd3BvBYnLsI5GqXIpoAc41OnVBkQXLO+0kiK5qP11oj5Gybzhl1tLTK K0MnehT2kG9patwPIsfZnbK9PDSS4dlCLrPeoTAJ4w60Y2KXNVI0zMb9I+0QY3xyCLKN 4uSSbQOcBZe1C09H14x92cWxor/22y8TLSDPksN6uUO7MLudt+KsGyLHNSRQSmbsfZgO ipug== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:references:date:in-reply-to :message-id:user-agent:mime-version:content-transfer-encoding; bh=8HGJxsAp7QrUnbpM8xxNxIYeLS9AZixU9Tv7wM//IJI=; b=VlGm2yfxcmf+2jriKOxahiC5MzEqq6e4bJjSjkrZPtl9vZRt9MaPcMSun9CIaPZUik b4M3fIMTOJ1oTnZoG+kBAv+dNnsk6LrJU9DJAUHHADW8QbXWOQnmLi1jluyy31ZjiCl7 ZhFsDGPteSQtXOxaNIcWjiOrrxHUYKqkJNFWG4MSQVPiq3GsZGMuYkvzxI0pGlyb9ztn ej9eRoLb+Girg/ZSv9djuRa5/GSwad9b06EnpwspRi9g7pN21/7vR/wCJFkEOLRcbBs8 cFLDYKvezt6gtzeSUENNFLsrbvYA80MpEIY410caK10rTswn3TMZRrYPJP8tkGuGuUo6 dBJw== X-Gm-Message-State: AOAM531UF0DZeiMJgGibWFXqZJ5tWyl/z6m6SfK/tQ1FMlQSsm3cFvCi IPiYTwDJ4N1A6EnDEYqRCnBUljHw1AA= X-Google-Smtp-Source: ABdhPJzKd8wIY4WAvZY9+gHgIn4W2jG+6OQzLUfviUNmXXgjJ3kY8uqtvggyauwIoKg/R3mwUdHGBw== X-Received: by 2002:a2e:b5b3:: with SMTP id f19mr14776937ljn.305.1621814102775; Sun, 23 May 2021 16:55:02 -0700 (PDT) Original-Received: from osv.localdomain ([89.175.180.246]) by smtp.gmail.com with ESMTPSA id u10sm1548752lji.16.2021.05.23.16.55.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 23 May 2021 16:55:02 -0700 (PDT) In-Reply-To: <64cb5093-c610-bf6f-5794-60f62972a58b@gmail.com> (=?utf-8?Q?=22Cl=C3=A9ment?= Pit-Claudel"'s message of "Sun, 23 May 2021 19:42:17 -0400") Received-SPF: pass client-ip=2a00:1450:4864:20::230; envelope-from=sorganov@gmail.com; helo=mail-lj1-x230.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 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" Xref: news.gmane.io gmane.emacs.devel:269726 Archived-At: Clément Pit-Claudel writes: > On 5/23/21 7:14 PM, Sergey Organov wrote: >> Hello! >> >> I'm trying to fix a problem where `desktop-clear` errors-out because >> (buffer-list) contains killed buffer. > > Could it be that the actions you take on one buffer while iterating on > (buffer-list) cause another buffer later in the list to be killed? This is relevant code snippet from "desktop.el": (dolist (buffer (buffer-list)) (let ((bufname (buffer-name buffer))) (unless (or (eq (aref bufname 0) ?\s) ;; Don't kill internal buffers (string-match-p preserve-regexp bufname)) (kill-buffer buffer))))) I fail to see how I can take any actions between its calls to (buffer-list) and (aref bufname 0), that errors-out of bufname being nil. Ah, apparently killing one buffer kills another... but why it happens only when called from timer? Mystery. Thanks, -- Sergey Organov