From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: Atomic file replacement in Emacs Date: Wed, 21 Oct 2020 16:46:54 -0400 Message-ID: References: <868sbzk0hl.fsf@163.com> <87r1pr5phl.fsf@igel.home> <87mu0f5n7y.fsf@igel.home> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="27130"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Cc: Zhu Zihao , emacs-devel@gnu.org To: Andreas Schwab Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Wed Oct 21 22:49:05 2020 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 1kVL2f-0006yQ-0K for ged-emacs-devel@m.gmane-mx.org; Wed, 21 Oct 2020 22:49:05 +0200 Original-Received: from localhost ([::1]:58910 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kVL2e-0003mZ-3d for ged-emacs-devel@m.gmane-mx.org; Wed, 21 Oct 2020 16:49:04 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:38244) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kVL0l-0002iZ-Tb for emacs-devel@gnu.org; Wed, 21 Oct 2020 16:47:09 -0400 Original-Received: from mailscanner.iro.umontreal.ca ([132.204.25.50]:27539) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kVL0h-0005bC-Sp for emacs-devel@gnu.org; Wed, 21 Oct 2020 16:47:06 -0400 Original-Received: from pmg2.iro.umontreal.ca (localhost.localdomain [127.0.0.1]) by pmg2.iro.umontreal.ca (Proxmox) with ESMTP id BFE0B80855; Wed, 21 Oct 2020 16:47:01 -0400 (EDT) Original-Received: from mail01.iro.umontreal.ca (unknown [172.31.2.1]) by pmg2.iro.umontreal.ca (Proxmox) with ESMTP id 532D78009B; Wed, 21 Oct 2020 16:46:56 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=iro.umontreal.ca; s=mail; t=1603313216; bh=CMSrBpKFsucZQeV/6VAsxZnmD2qh6aOPEtbG8MQ4M0c=; h=From:To:Cc:Subject:References:Date:In-Reply-To:From; b=T3w00GP+xm3Eo244NUmUeccBg9gnnBhJgbZQPb58TjEojEYgr4azEF4uedcvMnYiY K0thX6T8oppunyex1eXxofuGc8ZqcjCLT77y8x0cmBvNbA8w77eIn3E6SSTVPzGT+q OLxVAYPOZeVgDMsplj7dXxgNPETozWqODWUmdL/+KN09pJppjqaZqsEnnqy0hlZHAQ 6tLaZqEhDSq8IWICKToQrt3WrBUBGUaJliYzYtG92vpiAmwI4vgqLJCMp3VsITmOld wybCg8WPVWD0ZPOWVAse8VyfdW0UT1Dy2ghBksP1Y2d4eGQ4H+fXMaYloFvDb1RRaD 9+oVOhw7X8N+Q== Original-Received: from alfajor (unknown [157.52.9.240]) by mail01.iro.umontreal.ca (Postfix) with ESMTPSA id 14CD412006B; Wed, 21 Oct 2020 16:46:56 -0400 (EDT) In-Reply-To: <87mu0f5n7y.fsf@igel.home> (Andreas Schwab's message of "Wed, 21 Oct 2020 22:38:09 +0200") Received-SPF: pass client-ip=132.204.25.50; envelope-from=monnier@iro.umontreal.ca; helo=mailscanner.iro.umontreal.ca X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/21 16:32:28 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] X-Spam_score_int: -42 X-Spam_score: -4.3 X-Spam_bar: ---- X-Spam_report: (-4.3 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_MED=-2.3, 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:258257 Archived-At: >>> There is already file-precious-flag. >> This is used by `save-buffer` but not by `write-region`, so it only >> works if you use a proper "file buffer". > It is used by basic-save-buffer. Duh! Indeed, I didn't pay enough attention to the code, I assumed it was wrapping `write-region`. Stefan