bug#50849: 28.0.50; Proposal for Emacs daemon to signal when being busy

[Eli Zaretskii]

> From: Robert Pluim <rpluim@gmail.com>
> Cc: stefankangas@gmail.com,  Visuwesh <visuweshm@gmail.com>,
>   larsi@gnus.org,  bugs@gnu.support,  50849@debbugs.gnu.org
> Date: Tue, 06 Sep 2022 16:02:01 +0200
> 
> >>>>> On Tue, 06 Sep 2022 15:22:27 +0300, Eli Zaretskii <eliz@gnu.org> said:
> 
>     Eli> Looking at the code, I don't understand how this was supposed to
>     Eli> work.  After sending the request to the server, we call recv in a
>     Eli> loop, waiting for a response.  But in a normal session, the server
>     Eli> will only respond when the user is done with editing the file, which
>     Eli> could be after a very long time.  So this _must_ time out.
> 
> Doesnʼt the server send its pid to the client? Youʼd want to
> recv+timeout just for that initial response, no?

Maybe, I don't know.  If that's always so, then yes, the code should
be restructured to time out only on that single response.