Re: c-g in emacs locked in other terminal?

[Po Lu <luangruo@yahoo.com>]

joakim@verona.se writes:

> I use the emacs feature to attach to a running emacs server in multiple
> clients a lot. Sometimes I do m-x in one of the terminals, forget about
> it, and then try to use emacs from some of the other terminals, which are
> now unresponsive. If the original terminal where i did an unfinished m-x
> is not readily available, its pretty hard to get out of this state.
>
> I've been using this feature since it was called mtty-emacs, but I've
> never figured out the correct procedure to get out of it, except
> attaching to the original terminal, and doing c-g there.
>
> Any hints? The most convenient would be to configure c-g to just break
> all terminals, if possible.

Input is not handled from other terminals during a recursive edit (or
more precisely, inside single-keyboard mode, which is turned on then and
in some other similar situations.)

I don't understand why it has to work that way, but it's a known problem
with no fix.  See admin/notes/multi-tty.