def autostart_domains(self):
        """ Autostart managed domains that are marked as such. """

        need_starting = []

        self.domains_lock.acquire()
        try:
            for dom_uuid, dom in self.managed_domains.items():
                if dom and dom._stateGet() == DOM_STATE_HALTED:
                    on_xend_start = dom.info.get('on_xend_start', 'ignore')
                    auto_power_on = dom.info.get('auto_power_on', False)
                    should_start = (on_xend_start == 'start') or auto_power_on
                    if should_start:
                        need_starting.append(dom_uuid)
        finally:
            self.domains_lock.release()

        for dom_uuid in need_starting:
            self.domain_start(dom_uuid, False)