Re: Emacs design and architecture. How about copy-on-write?

[Eli Zaretskii]

> From: Ihor Radchenko <yantar92@posteo.net>
> Cc: Po Lu <luangruo@yahoo.com>, emacs-devel@gnu.org
> Date: Thu, 21 Sep 2023 08:35:06 +0000
> 
> In contrast, global Elisp variables defined in Elisp for not store
> Lisp_Objfwd and instead contain their symbol value directly in their
> Elisp symbol objects. Setting and reading these symbol values involves
> the common API: Fsymbol_value and Fset, which are much easier to change
> to work with async threads compared to the having to handle all the
> 
>  Vname = val;
> 
> that are expected to work in C level.

Thank you for the (unnecessary) lecture, but I was actually asking
what needs to be changed and how to handle the global variables, both
those defined in C and those defined in Lisp.