syskit misses orogen state updates during exceptions

[g-arjones]

I caught this while testing a component so I'm not sure whether it happens in "runtime" as well. The component code is:

void Task::updateHook() {
    if (!doStuff()) { // <- may set an "emergency" internal state
        throw myException();
    }
}

void Task::stopHook() {
    if (hasEmergency()) {
        exception(EMERGENCY);
    }
}

Test code:

expect_execution { send_stuff_to_task }
    .to { emit task.emergency_state }

The behavior is not deterministic, sometimes it passes, sometimes it doesn't. If I try to catch exception_state rather than emergency_state then it passes consistently. Asserting task.orogen_state is also not deterministic, it varies between :EXCEPTION and :EMERGENCY

[g-arjones]

assert_equal :EMERGENCY, task.orocos_task.state

Passes consistently.