From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#66993: [PATCH] project.el: avoid asking user about project-list-file lock Date: Wed, 08 Nov 2023 17:31:52 +0200 Message-ID: <83il6c1ct3.fsf@gnu.org> References: <83sf5g1lko.fsf@gnu.org> <9d460f36-6035-da54-3abc-12171ac8977f@gutov.dev> <83jzqs1hhx.fsf@gnu.org> <57c079bf-e3a3-db45-c45a-ad6925335e2f@gutov.dev> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="2281"; mail-complaints-to="usenet@ciao.gmane.io" Cc: sbaugh@janestreet.com, 66993@debbugs.gnu.org To: Dmitry Gutov Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Wed Nov 08 16:32:39 2023 Return-path: Envelope-to: geb-bug-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 1r0kXn-0000KE-1X for geb-bug-gnu-emacs@m.gmane-mx.org; Wed, 08 Nov 2023 16:32:39 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1r0kXa-0007rd-6Q; Wed, 08 Nov 2023 10:32:26 -0500 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 1r0kXY-0007r8-8z for bug-gnu-emacs@gnu.org; Wed, 08 Nov 2023 10:32:24 -0500 Original-Received: from debbugs.gnu.org ([2001:470:142:5::43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1r0kXX-0002M8-Tz for bug-gnu-emacs@gnu.org; Wed, 08 Nov 2023 10:32:23 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1r0kYA-0004Eh-8c for bug-gnu-emacs@gnu.org; Wed, 08 Nov 2023 10:33:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 08 Nov 2023 15:33:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 66993 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: patch Original-Received: via spool by 66993-submit@debbugs.gnu.org id=B66993.169945757016265 (code B ref 66993); Wed, 08 Nov 2023 15:33:02 +0000 Original-Received: (at 66993) by debbugs.gnu.org; 8 Nov 2023 15:32:50 +0000 Original-Received: from localhost ([127.0.0.1]:46149 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1r0kXx-0004EH-Jj for submit@debbugs.gnu.org; Wed, 08 Nov 2023 10:32:49 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:49874) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1r0kXu-0004E2-Df for 66993@debbugs.gnu.org; Wed, 08 Nov 2023 10:32:48 -0500 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1r0kXC-0002K2-6b; Wed, 08 Nov 2023 10:32:02 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=fPd/xeg6BPIUsPBoamu7vHJNUT/jEGRxfq5K9Y2TYsw=; b=qyQVfk9nKnx/ CpF4zgaCiPNTAV/Ih3ZPMVKON+OcUcDjnswnyrJmmGcbTgd3TV7iG7HaYqRmANQr/ZqLW1S6jZPp8 zgDAD3P8Rroaf3esuLeDn2Bd5TOC82GO68RTEtQQ8ebroTqdZmNWGjzxCSblDT+g82oAyQQTbuXk1 mB1suivBtCcx1+6bcNQmTrmHyKBwW7VGUSGe6AX0MTtdQ1Odkc32cnj+vgrKlIMZ0QMIEET1SC9i6 NQu5VMIwX7OPIGmZdX4nmmjXtPICP7SvHG4L53vGL55q7mSamotqzTiAD5GKDefzdceqVB5wpAlXP snyxvU8vey/Cp7INvO421A==; In-Reply-To: <57c079bf-e3a3-db45-c45a-ad6925335e2f@gutov.dev> (message from Dmitry Gutov on Wed, 8 Nov 2023 15:56:11 +0200) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list 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-mx.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:273994 Archived-At: > Date: Wed, 8 Nov 2023 15:56:11 +0200 > Cc: sbaugh@janestreet.com, 66993@debbugs.gnu.org > From: Dmitry Gutov > > On 08/11/2023 15:50, Eli Zaretskii wrote: > > Why do you need an error when you can use file-locked-p to check up > > front that the file is locked? > > IIUC the problem comes due to concurrent writes from concurrent writes > from parallel Emacs instances. > > Simply checking whether the file is locked before writing, without > trying to obtain the lock, is unlikely to be a reliable solution > (another instance might lock it right after we checked). > > Anyway, these writes must be very fast and relatively infrequent. So I'm > surprised that this has came up, personally. If that's the case, just catch the error and retry, several times, perhaps with variable delays.