User bus?

Patryk Zawadzki patrys at
Fri Feb 15 18:55:33 PST 2008

On Feb 16, 2008 3:48 AM, Brian J. Tarricone <bjt23 at> wrote:
> Patryk Zawadzki wrote:
> See 'man dbus-launch', specifically the --exit-with-session option.
> That should cause the session daemon to quit if X exits.

Sure but it sometimes fails (for example X segfaults).

> > Having it started by
> > ConsoleKit would remove the burden of having to start it in Xinit and
> > would allow CK to notify dbus when the number of client sessions
> > changes (so it only dies if there are no connected clients and no
> > active sessions). This would allow new scenarios like logging in
> > remotely using ssh and checking the printing queue that was started
> > before leaving or using remote graphical login to fiddle with some
> > other user service that was already started.
> This somewhat highlights what IMHO is one of the worst things about
> dbus: its reliance on environment variables to tell clients how to
> contact the session bus.  If CK starts the session bus, how do the
> appropriate env vars propagate into the desktop session?  You could
> solve this by having CK start the session as well, but that sounds like
> a bit of a big change, no?

Just make the dbus client library ask CK and cache the values instead
of relying on ENV variables.

I agree that any program relying on ENV variable propagation is broken in 2008.

Patryk Zawadzki
PLD Linux Distribution

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