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

[Manuel Giraud via "Bug reports for GNU Emacs, the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>]

Eli Zaretskii <eliz@gnu.org> writes:

>> If it is dead and (thread-last-error) returns nil maybe we can conclude
>> that everything went well.  But if (thread-last-error) returns a
>> message, it could be message from any other Emacs thread: what to do in
>> such case?
>
> Display a message about the error.

I mean, the last error message could come from another thread not
related in anyway to mail sending.  No?

>> Or worse: the thread is dead, (thread-last-error) returns
>> nil... but it was cleared from another part of Emacs.
>
> This means it exited successfully.  We could also maintain a data
> structure where successfully-exiting threads will leave their success
> status together with some id of the message they sent -- unlike a
> thread that dies abruptly due to an error, a successful thread can
> store the information in the data structure before exiting.

Yes why not but then I'd have to modify internals of 'message-send':
something I thought I could escape.
-- 
Manuel Giraud