[systemd-devel] Questions regarding dbus started via systemd --user

[Lennart Poettering]

On Fri, 09.01.15 10:26, Colin Guthrie (gmane at colin.guthr.ie) wrote:

> Colin Guthrie wrote on 08/01/15 11:55:
> > I "solved" this by adding a user unit for gnome-termnial-server and
> > making dbus use systemd activation for it, but that just moves it to a
> > different cgroup. I guess it's OK like this.
> 
> Just as a minor curiosity related to this bit...
> 
> I discovered today that handing this particular process over to as
> systemd --user unit is a bit broken!
> 
> It seems that gnome-terminal-server will exit when the last
> gnome-terminal dies. If you have started any programs in the background
> in the terminal (xeyes&, or even screen) and then close all your
> gnome-terminal processes, the main process of the cgroup becomes empty
> and then all the child processes are (correctly) reaped by systemd --user
> 
> Fun!
> 
> The screen example is a tough one here tho' with gnome-terminal-server.
> Since I removed it's own systemd unit, it will now live in the dbus
> daemon's cgroup and depending when the daemon dies, it not survive a
> logout... will have to check that! Might be OK tho'.
> 
> Playing with systemd --user is fun :)

Ideally gnome-terminal would open a user scope unit for each of its
tabs. This would allow them to survive, even without patching
KillMode= for the g-t-s service...

Lennart

-- 
Lennart Poettering, Red Hat