GNU bug report logs - #24714
delete-directory race condition

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Package: emacs;

Reported by: Glenn Morris <rgm <at> gnu.org>

Date: Mon, 17 Oct 2016 02:21:01 UTC

Severity: normal

Found in version 25.1

Fixed in version 26.1

Done: Glenn Morris <rgm <at> gnu.org>

Bug is archived. No further changes may be made.

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From: Glenn Morris <rgm <at> gnu.org>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 24714 <at> debbugs.gnu.org
Subject: bug#24714: delete-directory race condition
Date: Mon, 17 Oct 2016 11:52:31 -0400

Eli Zaretskii wrote:

>> will fail with "No such file or directory" if a file in /tmp/foo
>> happen to be deleted by some other process in between the time that
>> delete-directory calls directory-files and the time it calls delete-file.
>
> IMO, delete-directory should simply catch ENOENT errors and ignore
> them when it deletes files and subdirectories under the "recursive"
> option.

I don't think that's enough, since a file could equally well be
_created_ by some other process after delete-directory calls directory-files.
Frankly I don't see how Emacs's delete-directory can work reliably as
currently implemented.
This bug report was last modified 8 years and 264 days ago.

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