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From: Eli Zaretskii <eliz@gnu.org>
To: Dmitry Gutov <dmitry@gutov.dev>
Cc: sbaugh@janestreet.com, 66993@debbugs.gnu.org
Subject: bug#66993: [PATCH] project.el: avoid asking user about project-list-file lock
Date: Wed, 08 Nov 2023 17:31:52 +0200	[thread overview]
Message-ID: <83il6c1ct3.fsf@gnu.org> (raw)
In-Reply-To: <57c079bf-e3a3-db45-c45a-ad6925335e2f@gutov.dev> (message from Dmitry Gutov on Wed, 8 Nov 2023 15:56:11 +0200)

> Date: Wed, 8 Nov 2023 15:56:11 +0200
> Cc: sbaugh@janestreet.com, 66993@debbugs.gnu.org
> From: Dmitry Gutov <dmitry@gutov.dev>
> 
> 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.





  reply	other threads:[~2023-11-08 15:31 UTC|newest]

Thread overview: 55+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-11-07 21:28 bug#66993: [PATCH] project.el: avoid asking user about project-list-file lock Spencer Baugh
2023-11-08  0:24 ` Dmitry Gutov
2023-11-08 12:29   ` Eli Zaretskii
2023-11-08 13:20     ` Dmitry Gutov
2023-11-08 15:06   ` Spencer Baugh
2023-11-08  7:46 ` Michael Albinus
2023-11-08 14:52   ` Spencer Baugh
2023-11-08 15:44     ` Michael Albinus
2023-11-08 16:35       ` Eli Zaretskii
2023-11-08 12:22 ` Eli Zaretskii
2023-11-08 13:26   ` Dmitry Gutov
2023-11-08 13:50     ` Eli Zaretskii
2023-11-08 13:56       ` Dmitry Gutov
2023-11-08 15:31         ` Eli Zaretskii [this message]
2023-11-08 15:41           ` Spencer Baugh
2023-11-08 16:35             ` Eli Zaretskii
2023-11-08 17:05               ` Spencer Baugh
2023-11-08 17:43                 ` Eli Zaretskii
2023-11-08 20:43                   ` Spencer Baugh
2023-11-09  6:32                     ` Eli Zaretskii
2023-11-09 16:38                       ` Spencer Baugh
2023-11-09 16:52                         ` Eli Zaretskii
2023-11-09 18:01                           ` Spencer Baugh
2023-11-09 19:46                             ` Eli Zaretskii
2023-11-10 12:48                               ` Spencer Baugh
2023-11-15 13:38                                 ` Eli Zaretskii
2023-11-08 15:36     ` Spencer Baugh
2023-11-08 16:32       ` Eli Zaretskii
2023-11-08 21:04         ` Dmitry Gutov
2023-11-09  6:37           ` Eli Zaretskii
2023-11-09 11:05             ` Dmitry Gutov
2023-11-09 11:27               ` Eli Zaretskii
2023-11-09 11:33                 ` Dmitry Gutov
2023-11-09 14:50                   ` Eli Zaretskii
2023-11-15 15:40                     ` Spencer Baugh
2023-11-15 20:49                       ` Spencer Baugh
2023-11-18  1:41                         ` Dmitry Gutov
2023-11-18 15:48                           ` sbaugh
2023-11-18 15:56                             ` sbaugh
2023-11-18 16:26                             ` Eli Zaretskii
2023-11-18 23:10                               ` Spencer Baugh
2023-11-19  6:05                                 ` Eli Zaretskii
2023-11-19 14:54                                   ` Spencer Baugh
2023-11-19 14:31                               ` Dmitry Gutov
2023-11-19 15:23                                 ` Eli Zaretskii
2023-11-20  2:05                                   ` Dmitry Gutov
2023-11-20 11:57                                     ` Eli Zaretskii
2023-11-19 14:33                             ` Dmitry Gutov
2023-11-19 17:52                             ` Juri Linkov
2023-11-19 19:38                               ` Spencer Baugh
2023-11-20  1:19                                 ` Dmitry Gutov
2023-11-08 21:03       ` Dmitry Gutov
2023-11-08 13:58 ` Dmitry Gutov
2023-11-08 15:25   ` Spencer Baugh
2023-11-08 21:14     ` Dmitry Gutov

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