GNU bug report logs - #73318
31.0.50; with-native-compilation=aot breaks exec -a emacs

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From: Ship Mints <shipmints <at> gmail.com>
To: Po Lu <luangruo <at> yahoo.com>
Cc: Spencer Baugh <sbaugh <at> janestreet.com>, Eli Zaretskii <eliz <at> gnu.org>, acorallo <at> gnu.org, larsi <at> gnus.org, 73318 <at> debbugs.gnu.org
Subject: bug#73318: 31.0.50; with-native-compilation=aot breaks exec -a emacs
Date: Thu, 19 Sep 2024 09:51:44 -0400

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I see. It pays, then, to disambiguate between a Linux "system" (which is
the typical Emacs case) and Linux O/S-based, essentially embedded,
environments. In the "system" case, /proc/self/exe should be the
recommended method, I'd think. In embedded cases, whatever is appropriate
in those environments is what should be used.

On Thu, Sep 19, 2024 at 9:44 AM Po Lu <luangruo <at> yahoo.com> wrote:

> Ship Mints <shipmints <at> gmail.com> writes:
>
> > Even if you umount /proc, it will remain until active process
> > references to /proc nodes are closed. If one tries umount /proc
> > outside of a shutdown sequence, Emacs is the least of her
> > worries. This is not a practical deterrent.
>
> It is possible to run systems with Linux (the kernel) without mounting
> /proc at all, and Emacs is very much interested in functioning correctly
> there.  Moreover, the value of /proc/self/exe is sometimes completely
> meaningless, as on Android, where Emacs is loaded into
> /system/bin/app_process64 as a shared library.
>
>

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