How to use the gbulb.glib_events.GLibChildWatcher function in gbulb

then the loop associated with the main thread will use the default
            (NULL) GLib context (instead of creating a new one).
        """
        self._full    = full
        self._default = default

        self._default_loop = None

        self._policy  = unix_events.DefaultEventLoopPolicy()
        self._policy.new_event_loop = self.new_event_loop

        self.get_event_loop = self._policy.get_event_loop
        self.set_event_loop = self._policy.set_event_loop
        self.get_child_watcher = self._policy.get_child_watcher

        self._policy.set_child_watcher(GLibChildWatcher())

        BaseGLibEventLoop.init_class()

        if threads:
            logger.info("GLib threads enabled")
            GObject.threads_init()
        else:
            logger.info("GLib threads not used")

            def __new__(cls, *k, **kw):
                raise RuntimeError("GLib threads not enabled (you should use %s(threads=True)" % self.__class__.__name__)

            threading.Thread.__new__ = __new__