Re: Emacs design and architecture

[Po Lu]

Gerd Möllmann <gerd.moellmann@gmail.com> writes:

> Dmitry Gutov <dmitry@gutov.dev> writes:
>
>> On 16/09/2023 17:20, Björn Bidar wrote:
>>> These more extensive modes require more advanced features similar
>>> as
>>> when turning Emacs into a "word processor".
>>> In my opinion Emacs being single threaded is the biggest hurdle in
>>> that,
>>> gui lockup is the biggest no no in regular gui apps.
>>
>> JavaScript is single-threaded.
>>
>> They have a certain solution for parallelism in specific workloads,
>> though (called Web Workers).
>
> In Emacs, GC can run Lisp I'm told (finalizers), regexp matching can
> definitely run Lisp (bug#58042), and the devil knows what else :-(.  I
> personally have no idea how it would be possible to untangle this for
> a multi-threaded Lisp.

Presumably, finalizers must become thread safe, and Lisp run during
regexp matching will run within whichever thread calls string-match.  I
don't see any unsurmountable impediments here.