Restarting desktop session services on RPM upgrade?

[Christopher Aillon]

John Dennis wrote:
> We've long had a way to restart system services on an RPM upgrade via
> condrestart in the initscript. However, there is another kind of service
> which runs, services bound to desktop sessions. Rather that global,
> these are per user session.
> 
> Is there a mechanism by which an RPM which installs a desktop service
> can perform the equivalent of a condrestart on the session service?
> 
> I imagine such a mechanism would work by iterating over every DBus
> session bus, query for the existence of the service, if it exists send
> it a stop signal and then after the service leaves the bus perform a
> StartServiceByName within the session.
> 
> Do we have anything like that? I suspect not. If not then how can a root
> process iterate over existing sessions? 


The SELinux avc monitoring tool, sealert does simply restarts the app 
and setroubleshoot service.  Might want to see how it handles that.