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Re: How to `start-process' in different terminal?

From: Thorsten Jolitz
Subject: Re: How to `start-process' in different terminal?
Date: Tue, 24 Jun 2014 15:00:10 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux)

Stefan Monnier <address@hidden> writes:

>> | terminal-list is a built-in function in `C source code'.
> [...]
>> but the function returns 
>> ,----
>> | (#<terminal 1 on /dev/tty>)
>> `----
> Emacs's terminals are not the OS's terminals.  It's the "output devices"
> that Emacs currently uses.  So if you have several "emacsclient -t"
> sessions (or used make-terminal-frame), each one will have its own
> "terminal" (one might be on /dev/tty1, another on /dev/pts/4), and every
> time you use make-frame-on-display on another display you'll get
> another "terminal".
>> in my case although Archlinux with systemd has several terminals
>> pre-initialized AFAIK.
> But Emacs isn't using these, hence they're not in the list.
>> So this `terminal-list' is just about M-x term from within Emacs and
>> then
> No, M-x term is yet something completely different.  These are virtual
> terminals created inside Emacs for use by other applications.

Ok, on top of the already a bit confusing console/terminal/tty/pty stuff
there is another layer of confusion once Emacs enters the game ...

So calling 'tty on my tty1 (with tmux) I get

| address@hidden ~]$ tty
| /dev/pts/0

while after switching to tty2 (without tmux) I get

| address@hidden ~]$ tty
| /dev/tty2

and I would need to explicitly make terminal-frames on both to get 2
"terminals" in Emacs 'terminal-list. 


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