GNU bug report logs - #79228
30.1.90; native--compile-async sentinel can error if threads are running

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Message #52 received at 79228-done <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Spencer Baugh <sbaugh <at> janestreet.com>
Cc: dmitry <at> gutov.dev, acorallo <at> gnu.org, johnw <at> gnu.org,
 79228-done <at> debbugs.gnu.org
Subject: Re: bug#79228: 30.1.90; native--compile-async sentinel can error if
 threads are running
Date: Tue, 02 Sep 2025 18:07:33 +0300

> From: Spencer Baugh <sbaugh <at> janestreet.com>
> Cc: dmitry <at> gutov.dev,  acorallo <at> gnu.org,  johnw <at> gnu.org,  79228 <at> debbugs.gnu.org
> Date: Tue, 02 Sep 2025 10:40:53 -0400
> 
> Eli Zaretskii <eliz <at> gnu.org> writes:
> 
> >> From: Spencer Baugh <sbaugh <at> janestreet.com>
> >> Cc: dmitry <at> gutov.dev,  acorallo <at> gnu.org,  johnw <at> gnu.org,  79228 <at> debbugs.gnu.org
> >> Date: Tue, 02 Sep 2025 09:18:12 -0400
> >> 
> >> > And it's unjustified, since if worse comes to worst, we can simply
> >> > unlock the process that performs async compilation.  No need to reach
> >> > far-fetched conclusions about processes in general because of this
> >> > specific case.
> >> 
> >> Okay, then this patch should fix the bug.
> >
> > But does it?  You've brought up the issue, so presumably you have a
> > way of recreating the problem.
> 
> Not easily, but fine, I did some more work to figure out a reliable
> reproduction:
> 
> 1. Delete eln-cache
> 2. emacs -Q --eval '(dotimes (_ 5) (make-thread (lambda () (while t (sit-for 1)))))'
> 3. Observe errors in *Messages* from native compilation
> 
> > Then please try this patch and tell whether it indeed solves the
> > problem.
> 
> Yes, it does.

Thanks, installed on master, and closing the bug.

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