_UpdateEvent
status_t _UpdateEvent(uint32 what,
return _UpdateEvent(B_REGISTER_LAUNCH_EVENT, source, name, flags);
return _UpdateEvent(B_UNREGISTER_LAUNCH_EVENT, source, name);
return _UpdateEvent(B_NOTIFY_LAUNCH_EVENT, source, name);
return _UpdateEvent(B_RESET_STICKY_LAUNCH_EVENT, source, name);