bug#41042: Compilation (Comint) is consistently killed when run with default directory /sudo::root

[Michael Albinus]

akater <nuclearspace@gmail.com> writes:

Hi,

> I'm using Emacs 28.0.50 (build 1, x86_64-pc-linux-uclibc) of 2020-05-03.
>
> Compilation processes started with #'compile are killed after some time
> when default-directory is let-bound to /sudo::/
>
> Example:
>
> emacs -Q
>
> (require 'tramp)
> (require 'compile)
> (let ((default-directory "/sudo::/")) (compile "sleep 300"))
>
> This started to happen between January 1 and April 30 (most likely
> between March 1 and April 15 but I can't be completely sure).  I'm
> calling such code regularly; it is used by ebuild-mode package in the
> main Gentoo repository.

Well, this is hit by a recent change, that tramp-cleanup-connection
kills now *all* connection related processes. This should not happen for
remote asynchronous processes belonging to a connection with a session
timeout like "sudo". I've fixed this in master, could you please check?

Best regards, Michael.