Shutting down doesn't work when an application hangs

[axeld]

When you run Chart in direct window mode it will hang when closed (or during shutdown). The shutdown process correctly halts and asks me if I wanted to kill that application, but when I do so, nothing happens anymore. The kill button hides, and the "Cancel Shutdown" button has no effect whatsoever. Tested with hrev16557.

[j_freeman@…]

I confirm this bug, which has existed for several revisions now. The Shutdown/Restart functionality is a little shaky in general.

[axeld]

While the application can be killed now (didn't work before because of a bug in wait_for_thread()), the shutdown process should ignore apps that cannot be killed for whatever reason.

[bonefish]

In revision 16778 we send a SIGKILL instead of calling kill_team(). So the shutdown process can no longer hang when killing a team (at least theoretically).

[axeld]

Dunno why kill_thread() waited for the thread to be killed, but it no longer does this; I've reverted your change to ShutdownProcess.cpp, as it's no longer necessary.