Re: Async DNS lookups

[Stefan Monnier]

> 3) When getaddrinfo() returns, we do
>    (funcall #'my-callback result my-data)

> But 3) probably needs to be in the same sort of state that timers run
> in, so that we don't have two Emacs Lisp threads running at the same
> time.  Any pointers where to look for how to "halt" the main Emacs
> thread?  Or something?

You can't "halt" the main thread, you can only wait for it to take
a break.  E.g. you could stuff your callback into pending_funcalls.
Of course, pending_funcalls would then need to be protected by a mutex.


        Stefan