GNU bug report logs - #57129
29.0.50; Improve behavior of conditionals in Eshell

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Message #74 received at 57129 <at> debbugs.gnu.org (full text, mbox):

From: Bruno Haible <bruno <at> clisp.org>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: jporterbugs <at> gmail.com, larsi <at> gnus.org, eggert <at> cs.ucla.edu,
 bug-gnulib <at> gnu.org, 57129 <at> debbugs.gnu.org
Subject: Re: bug#57129: 29.0.50; Improve behavior of conditionals in Eshell
Date: Tue, 16 Aug 2022 16:40:16 +0200

Eli Zaretskii wrote:
> Looking at your test program, I see that you generate the seconds file
> name without deleting the first one.  When a file by the first
> generated name already exists, gen_tempname will indeed generate a
> different name.  But in the scenario I described, Emacs creates one
> temporary file, uses it, then deletes it, and only after that creates
> another file.

Why would it be important for the second temporary file to bear a different
name, once the first one is gone? I mean, process IDs get reused over time;
socket numbers get reused over time; what is wrong with reusing a file name,
once the older file is gone?

Maybe the problem is that the file gets deleted too early, when some parts
of Emacs still reference it?

Bruno

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