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From: Matt Armstrong <matt@rfc20.org>
To: Paul Eggert <eggert@cs.ucla.edu>, Eli Zaretskii <eliz@gnu.org>
Cc: 46397@debbugs.gnu.org, craven@gmx.net
Subject: bug#46397: 27.1; Cannot delete buffer pointing to a file in a path that includes a file
Date: Sat, 06 Mar 2021 21:57:02 -0800	[thread overview]
Message-ID: <874khno6a9.fsf@mdeb> (raw)
In-Reply-To: <812e17db-1b3b-21cc-8f66-7d75e704c7cc@cs.ucla.edu>

Paul Eggert <eggert@cs.ucla.edu> writes:

> On 3/6/21 1:36 AM, Eli Zaretskii wrote:
>> I'm asking what is the difference, from the file-locking POV, between
>> an inaccessible directory and a directory that doesn't exist?
>
> In the former (EACCES) case, it's possible that the lockfile exists but 
> Emacs cannot remove it because the user currently lacks permissions to 
> an ancestor directory; this serious problem is worth reporting to the user.
>
> In the latter (ENOTDIR) case the lockfile cannot possibly exist, and 
> Emacs can treat ENOTDIR differently from EACCES for that reason. It 
> makes sense for Emacs to treat ENOTDIR like ENOENT, since in both cases 
> the lockfile cannot possibly exist and these are the only two error 
> numbers with that property.
>
> It might also make sense to treat ENOTDIR specially (neither like EACCES 
> nor like ENOENT) but that's a discussion we haven't had yet, as far as I 
> know.
>
> We've spent more time on this ENOENT/ENOTDIR issue than it's worth, so 
> feel free to revert my change and install whatever other change you 
> like. I'm sure there are lots of ways to fix the underlying problem.

Okay, I'll work on that route, thanks Paul.





  reply	other threads:[~2021-03-07  5:57 UTC|newest]

Thread overview: 55+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-09  9:47 bug#46397: 27.1; Cannot delete buffer pointing to a file in a path that includes a file Peter
2021-02-09 23:47 ` Matt Armstrong
2021-02-10  0:23   ` Matt Armstrong
2021-02-10 15:05     ` Eli Zaretskii
2021-02-10 19:23       ` Paul Eggert
2021-02-10 19:45         ` Eli Zaretskii
2021-02-10 22:39           ` Matt Armstrong
2021-02-12  7:43             ` Eli Zaretskii
2021-02-12  9:36               ` Paul Eggert
2021-02-12 11:33                 ` Eli Zaretskii
2021-02-12 23:59                   ` Matt Armstrong
2021-02-13  8:07                     ` Eli Zaretskii
2021-02-11 22:14         ` Matt Armstrong
2021-02-12  2:20           ` Paul Eggert
2021-02-12  7:15             ` Eli Zaretskii
2021-02-13  1:15               ` Matt Armstrong
2021-02-13  1:26                 ` Paul Eggert
2021-02-13  8:21                   ` Eli Zaretskii
2021-02-13  8:28                 ` Eli Zaretskii
2021-02-14  0:49                   ` Matt Armstrong
2021-02-14 19:22                     ` Eli Zaretskii
2021-02-14 22:16                       ` Matt Armstrong
2021-02-15 15:09                         ` Eli Zaretskii
2021-02-16  0:49                           ` Matt Armstrong
2021-02-16  1:55                             ` Paul Eggert
2021-02-16 15:06                               ` Eli Zaretskii
2021-02-16 11:53                             ` Lars Ingebrigtsen
2021-02-22 19:24                             ` bug#46397: [PATCH] " Matt Armstrong
2021-02-19 19:10                           ` Matt Armstrong
2021-02-19 19:23                             ` Eli Zaretskii
2021-02-19 21:46                               ` Matt Armstrong
2021-02-20  9:09                                 ` Eli Zaretskii
2021-02-21  0:36                                   ` Matt Armstrong
2021-02-21 23:43                                     ` Mike Kupfer
2021-02-22  1:42                                       ` Matt Armstrong
2021-03-14 18:03                                         ` Bill Wohler
2021-03-17 23:36                                           ` Matt Armstrong
2021-02-24 17:37                                     ` Matt Armstrong
2021-02-24 18:50                                       ` Eli Zaretskii
2021-03-01 16:59                                       ` Eli Zaretskii
2021-03-05 22:19                                         ` Matt Armstrong
2021-03-06  9:36                                           ` Eli Zaretskii
2021-03-06 23:39                                             ` Matt Armstrong
2021-03-07  2:50                                             ` Paul Eggert
2021-03-07  5:57                                               ` Matt Armstrong [this message]
2021-02-19 19:45                             ` Paul Eggert
2021-02-19 21:52                               ` Matt Armstrong
2021-03-08  2:18                               ` Matt Armstrong
2021-03-11 14:34                                 ` Eli Zaretskii
2021-03-17 23:49                                   ` Matt Armstrong
2021-03-17 23:51                                   ` Matt Armstrong
2021-03-20 10:43                                     ` Eli Zaretskii
2021-03-22  1:43                                       ` Matt Armstrong
2021-03-27  9:20                                         ` Eli Zaretskii
2021-02-10  0:26   ` Matt Armstrong

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