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Re: "Asynchronous Requests from Emacs Dynamic Modules"


From: Eli Zaretskii
Subject: Re: "Asynchronous Requests from Emacs Dynamic Modules"
Date: Sat, 31 Oct 2020 12:43:40 +0200

> From: yyoncho <yyoncho@gmail.com>
> Date: Sat, 31 Oct 2020 11:45:35 +0200
> Cc: Zhu Zihao <all_but_last@163.com>, ak@akirakyle.com, 
>       emacs-devel <emacs-devel@gnu.org>
> 
> That is unfortunate. I was assuming that at least thread primitives can be 
> made thread-safe. 

They are thread-safe, but they rely on strict discipline of having
one, and only one, Lisp thread active at any given time.  IOW, the
mechanism that switches threads is not "thread-safe".



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