bug#60592: 30.0.50; emacsclient: exit with a different code when the request times out

[Sean Whitton]

Hello,

On Fri 06 Jan 2023 at 09:37AM +02, Eli Zaretskii wrote:

>> From: Sean Whitton <spwhitton@spwhitton.name>
>> Date: Thu, 05 Jan 2023 22:47:49 -0700
>>
>> When calling 'emacsclient --timeout N --eval' from scripts, it would be
>> nice if you could determine for sure when a failure was just due to a
>> timeout, rather than, say, a Lisp exception.
>>
>> inotifywait(1) exits with code 2 to indicate a timeout.
>> emacsclient could do the same.
>
> It would be more portable to have the exception handler send a special
> message to emacsclient, so that it would know the reason without
> guessing.

I think this is wholly complimentary to what I'm suggesting, right?

-- 
Sean Whitton