Comment 5 for bug 1628589

No, not a duplicate - bug 1671424 is about *not* signalling the processes, but just closing the windows.

This bug is about quitting the whole app at once (not all its windows in sequence) or force-quitting it for whatever reason (say, misbehaving app).

With Unity8, an app is more than just the Mir client - it's the whole group of processes managed through UAL/systemd.