bug#3145: 23.0.92; detaching GTK+ tool bar crashes emacs --daemon

[Jan Djärv]

Chong Yidong skrev:
> Stephen Berman <stephen.berman@gmx.net> wrote:
>
> > Carrying out the following steps reliably crashes Emacs:
> >
> > 1. emacs -Q --daemon
> > 2. emacsclient -c
> > 3. Detach the tool bar (only possible with GTK+ build).
> > 4. Close the client frame with C-x 5 0
> > 5. emacsclient -c
> > 6. Detach the tool bar
> > => SIGSEGV
>
> Actually, daemon mode is not needed.  You can also do this:
>
> 1. emacs -Q -nw
> 2. M-x make-frame-on-display RET :0.0 RET
> 3. Detach the tool bar
> 4. Close the client frame with C-x 5 0
> 5. M-x make-frame-on-display RET :0.0 RET
> 6. Detach the tool bar
> => SIGSEGV
>
> Jan, could you try to debug this?  It may be another manifestation of
> the problems we've been having with GTK and closing X connections.

It looks like it.  The window for the detached tool bar is created and managed 
by Gtk+ and is not deleted when the display is removed it seems.

I'll see if we can work around it.

        Jan D.