>> It's not possible to connect to another user's session bus.
> I'm not trying to say that this is what René should do, I'm just
> saying that it is technically possible, for the sake of correctness.
My first attempts to get a privileged service to work involved exporting my
launchd session bus socket to root, via launchctl. That worked; I think that's
sufficient proof that root at least can connect to a lesser user's session bus,
on OS X.
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