Re: Shrinking the C core

[Emanuel Berg]

Eli Zaretskii wrote:

>> I think the biggest problem with uncooperative
>> multi-threading in Emacs is that Emacs has so much global
>> state. As a consequence, it's unsafe to let two threads use
>> anything in the C code in parallel.
>
> Indeed, that's the main problem. Just adding threads to Lisp
> is easy.

Is there a part that is safe to access in parallel?

If not, or for the part that is unsafe, where is
synchronization of access to be done, in Lisp or in C?

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