Re: Some experience with the igc branch

[Eli Zaretskii]

> Date: Mon, 23 Dec 2024 21:00:53 +0200
> From: Eli Zaretskii <eliz@gnu.org>
> Cc: pipcet@protonmail.com, ofv@wanadoo.es, emacs-devel@gnu.org,
>  eller.helmut@gmail.com, acorallo@gnu.org
> 
> > From: Gerd Möllmann <gerd.moellmann@gmail.com>
> > Cc: Eli Zaretskii <eliz@gnu.org>,  ofv@wanadoo.es,  emacs-devel@gnu.org,
> >   eller.helmut@gmail.com,  acorallo@gnu.org
> > Date: Mon, 23 Dec 2024 18:44:42 +0100
> > 
> > BTW, do you know which signal handlers use Lisp, i.e. allocate Lisp
> > objects or access some? All? Or, would it be realistic to rewrite signal
> > handlers to not do that?
> 
> SIGPROF does (it's the basis for our Lisp profiler).

Let me clarify to avoid possible confusion: the SIGPROF handler
doesn't run Lisp, but it does access the Lisp machine, via the
backtrace_top_function and get_backtrace functions.