bug#63311: 30.0.50; [PATCH] smtpmail-send-it split

[Manuel Giraud]

Eli Zaretskii <eliz@gnu.org> writes:

>> From: Manuel Giraud <manuel@ledu-giraud.fr>
>> Cc: 63311@debbugs.gnu.org
>> Date: Sun, 05 Nov 2023 17:12:03 +0100
>> 
>> Eli Zaretskii <eliz@gnu.org> writes:
>> 
>> > Nothing, AFAIU.  Instead of making smtpmail-send-it optionally working
>> > asynchronously, it should be perfectly valid to have a separate
>> > function called, say, message-send-asynchronously, which would work
>> > with background threads and implement the same protocol as the other
>> > MUA's send-it functions do.
>> 
>> Ok.  But there is still the case where any 'error' call from a thread
>> will end up in limbo, no?
>
> The caller will need to fetch it and display it.

Yes but how would I do that.  My idea was to left much code unmodified
(with all 'error' calls in case something goes wrong).  But how the
'main-thread' could fetch these errors.
-- 
Manuel Giraud