From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Michael Albinus Newsgroups: gmane.emacs.bugs Subject: bug#35418: [PATCH] Don't poll auto-revert files that use notification Date: Sun, 12 May 2019 10:48:32 +0200 Message-ID: <878svcjbxb.fsf@gmx.de> References: <87woj9nj77.fsf@gmx.de> <83r29fmz3f.fsf@gnu.org> <6b722334f6eaddcbbf3def636b5181c9439a172c.camel@acm.org> <831s1emvz7.fsf@gnu.org> <26e8159ac86da37d9cf555f6cb3f2dcb63ac0a67.camel@acm.org> <87y33mgo0c.fsf@gmx.de> <05128E42-E970-4C41-9DF9-E9E0BC1C9E4A@acm.org> <87tveagg4f.fsf@gmx.de> <87pnoygdx6.fsf@gmx.de> <8FEB518A-F5AA-488B-BDC5-7947FFE51394@acm.org> <87lfzlgvka.fsf@gmx.de> <3D200C55-AD11-4214-9C50-C2183F6598CC@acm.org> <78A0704A-59E6-4D25-8FF3-8FD011942885@acm.org> <837eb1ib84.fsf@gnu.org> <855D9426-4B27-4CB8-8E85-B9100B868207@acm.org> <835zqli55l.fsf@gnu.org> <877eazx2xd.fsf@gmx.de> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="153986"; mail-complaints-to="usenet@blaine.gmane.org" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) Cc: 35418@debbugs.gnu.org To: Mattias =?UTF-8?Q?Engdeg=C3=A5rd?= Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sun May 12 10:49:15 2019 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1hPkAU-000dwF-4o for geb-bug-gnu-emacs@m.gmane.org; Sun, 12 May 2019 10:49:14 +0200 Original-Received: from localhost ([127.0.0.1]:40634 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hPkAT-0004uy-71 for geb-bug-gnu-emacs@m.gmane.org; Sun, 12 May 2019 04:49:13 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:40287) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hPkAJ-0004tI-Sp for bug-gnu-emacs@gnu.org; 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Sun, 12 May 2019 10:48:34 +0200 In-Reply-To: ("Mattias \=\?utf-8\?Q\?Engdeg\=C3\=A5rd\=22's\?\= message of "Fri, 10 May 2019 17:22:20 +0200") X-Provags-ID: V03:K1:2lTzC07Vk1ZHRSuerxZoImrTEE8N0dYnfZZNcarCJ0JoCnkZ+dT TVJqMUTGaQlDTFp2jYWMHt4O1lDAoMV5G+YGYk6NGp0Q5EFt7JX60C05+MUP4Y1Uxgg0cci vexbj7dW6zcFkm9/rPh0fxsmy5ai2hh/mqr6z5ihtd+EFQ/9fMuLWb59/EU8bJwBUWJJvgC wJtjNqkhyMKxBZqWsuQTA== X-UI-Out-Filterresults: notjunk:1;V03:K0:/ExTVQ5lYgQ=:XUWHalyIErkiWIO3mPr00L g+8z6x1iMLAuumc4/mjwiU8ouItfEu0Q7ORPewlMK5MTkd7PtAFJJ9C5ggwEm7xOaaPgNXG3D SkGu5Yzo7dcnMRSMbXU3EBDQHP7c1gsiaj1WAQ6xQeejqRuAF2QAUnHEJu5cdIGYjBS13jGUQ bf/6jswoVyu307XuNAI7wOFclH2EWDfZzgKadCQgkBxA4BBb8ee74U8wfa/kHZGM9+Go/qeHR IQLWosbO2yxC2PuFmC7i/Cc8ofu+PMY4rpe+KKTHCtGcJ9P2uAryDkDVeMAqkjkNbQuuKwZPK UbveUA8ndiNgLfQNQ/C2BFQLY6my5VgK6MPr2SM0w27Q/QyPJPbMhvKwdrSUrtaV0XgtHeyhV UNN7WthQy2uxUkZXSN92oNnHlxs4Gtx6zTJkkFpEZFdNPoEkPEsOv1NgegyAmH2iLkICxN5sX gh//pw5fc4Fn1b85duAIIf/v0s7moaVTpnAsK44omfXmaeLEic1CbStZYrOFS5eFWSUEJHEof QexBF2VHC/dXywF08u/GNVSdgjCXwKsjcJX5uHG3CqNVxhHAlh5kiL/g6vEQmLPdA90Dl66e4 E+o7HaXHbjGNNVdiTTjiU8SvDdVnjPvy/sQW5vuZup/5kgeTn0EdJlqgfcHE6dDp4mHvlxhvz GC4rpFg8WZ5wpWHrIb3CrzsvIE+tptl4SxXjhxDqgCs/66/XVTx9gUXXsAuvomdkkb8npFGqe 7zGYlpzhXKKqZnBgQm7zJpczcJ5+fHKQo/EN7hZW8szmlZnjsz6UTSqDTnJK8wW2Oe1DJfyt X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.51.188.43 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.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:159119 Archived-At: Mattias Engdeg=C3=A5rd writes: Hi Mattias, >> Thinking about, I'm even not confident that a static value of this >> indication is sufficient. In dired, it might be set to t when the dired >> buffer is setup. But what if the dired buffer contains subdirectories? >> Is it still possible to indicate this by file notifications over >> default-directory? Don't know, maybe not, and the variable has to be set >> to nil ... > > There is a third possibility: a buffer requires polling, but could > make use of notification. The distinction is only important when > `auto-revert-avoid-polling' is set. For example, we could have, say, > `buffer-auto-revert-by-notification' take the values nil, notify-only > and notify-and-poll. This permits immediate updates for some changes > while still not keeping stale information indefinitely. I haven't seen this requirement yet for any mode. Let's postpone this, until there is a real request for this kind of distinction. Furthermore, we shouldn't expect a deep knowledge from major mode writers about the internals of auto-revert. People might have a hard time to understand the difference between notify-only and notify-and-poll. Best regards, Michael.