Re: Opportunistic GC

[Eli Zaretskii]

> From: Pip Cet <pipcet@gmail.com>
> Date: Thu, 11 Mar 2021 10:11:41 +0000
> Cc: Stefan Monnier <monnier@iro.umontreal.ca>, Andrea Corallo <akrl@sdf.org>, 
> emacs-devel@gnu.org
> 
> > If you call wait_reading_process_output, or any of its callers (such
> > as accept-process-output or sleep-for), Emacs _will_ call
> > thread_select.
> 
> Why would I do any of those things in the child process?

To communicate with the parent.  I don't know if you need to do that,
but just in case.

> The child process's sole job is to inspect the heap, perform GC, and
> return collectable objects to the parent via a pipe. It does not need
> to call Lisp. It certainly shouldn't call thread_select, or
> wait_reading_process_output.
> 
> What am I missing?

I'm just giving you heads-up for stuff you may wish doing.