def break_(self, how=libev.EVBREAK_ONE):
     libev.ev_break(self._ptr, how)
 def _default_handle_error(self, context, type, value, tb):
     # note: Hub sets its own error handler so this is not used by gevent
     # this is here to make core.loop usable without the rest of gevent
     import traceback
     traceback.print_exception(type, value, tb)
     libev.ev_break(self._ptr, libev.EVBREAK_ONE)