Re: Log out hanging after X-forwarded emacsclient

[Thomas Fitzsimmons]

Hi Adam,

"Adam Sjøgren <asjo@koldfront.dk>" writes:

> Inspired by the mention of the old GTK+-bug, I did a build of emacs like
> this:
>
>   ./configure --without-pop --with-cairo --without-dbus 
> --with-x-toolkit=lucid && make bootstrap
>
> And then I started Emacs on the machine:
>
>   machine1:~$ /usr/src/emacs/src/emacs -Q --eval '(server-start)'
>
> On another machine, I ssh'ed to the first machine, with X-forwarding
> turned on, and started emacsclient:
>
>   machine2:~$ ssh -X machine1
>   machine1:~$ /usr/src/emacs/lib-src/emacsclient --create-frame /tmp/test.txt
>   Waiting for Emacs...
>
> And got an X frame displayed on the screen of machine2, as expected.
>
> When I then end emacsclient with C-x # I'm back at the prompt. If I run
> "exit", the prompt is hanging, where I would expect to be logged out of
> machine1 and returned to machine2. Only after I press control-c do I get
> the prompt back:
>
>   machine1:~$ exit
>   ^C
>   machine2:~$ 
>
> (When I press control-c, the message "Connection lost to X server
> 'localhost:10.0'" is displayed in the mini-buffer in the Emacs frame on
> machine1.)
>
> I thought this "hanging" was related to the display closing GTK+-bug,
> but this is with lucid. At one point, I think, I read that it was a
> dbus-related thing, but I also turned off dbus.
>
> How do I avoid this hanging/having to press control-c?

This bug is still present on the master branch.  The attached patch
works for me but it may be subject to race conditions, so I will
continue testing it.  In the meantime, I figured I would reply to this
old thread in case others are interested in trying it.

Thomas

0001-Close-X-connection-when-emacsclient-disconnects.patch
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