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[bug#41797] [PATCH] replace with-temporary-store-file

From: Ludovic Courtès
Subject: [bug#41797] [PATCH] replace with-temporary-store-file
Date: Thu, 11 Jun 2020 19:04:32 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.3 (gnu/linux)


Caleb Ristvedt <> skribis:

> with-temporary-store-file has a fundamental flaw: it assumes that if a
> temporary store file exists, is then added as a temporary root, and still
> exists, then it uniquely belongs to the current process.  This is not always
> the case, because the only criteria used for choosing temporary file names is
> that they not be currently used and fit a certain template.  This means it's
> entirely possible for another process to choose the same temporary file name
> if it doesn't exist at the time it chooses.

Then what about simply adding the PID to the file name template?

Trying to see if there’s a simpler solution that could address the


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