void mesh_detach_subs(struct module_qstate* qstate)
{
	struct mesh_area* mesh = qstate->env->mesh;
	struct mesh_state_ref* ref, lookup;
#ifdef UNBOUND_DEBUG
	struct rbnode_type* n;
#endif
	lookup.node.key = &lookup;
	lookup.s = qstate->mesh_info;
	RBTREE_FOR(ref, struct mesh_state_ref*, &qstate->mesh_info->sub_set) {
#ifdef UNBOUND_DEBUG
		n =
#else
		(void)
#endif
		rbtree_delete(&ref->s->super_set, &lookup);
		log_assert(n != NULL); /* must have been present */
		if(!ref->s->reply_list && !ref->s->cb_list
			&& ref->s->super_set.count == 0) {
			mesh->num_detached_states++;
			log_assert(mesh->num_detached_states + 
				mesh->num_reply_states <= mesh->all.count);
		}
	}
	rbtree_init(&qstate->mesh_info->sub_set, &mesh_state_ref_compare);
}
void mesh_detach_subs(struct module_qstate* qstate)
{
	struct mesh_area* mesh = qstate->env->mesh;
	struct mesh_state_ref* ref, lookup;
#ifdef UNBOUND_DEBUG
	struct rbnode_type* n;
#endif
	lookup.node.key = &lookup;
	lookup.s = qstate->mesh_info;
	RBTREE_FOR(ref, struct mesh_state_ref*, &qstate->mesh_info->sub_set) {
#ifdef UNBOUND_DEBUG
		n =
#else
		(void)
#endif
		rbtree_delete(&ref->s->super_set, &lookup);
		log_assert(n != NULL);  
		if(!ref->s->reply_list && !ref->s->cb_list
			&& ref->s->super_set.count == 0) {
			mesh->num_detached_states++;
			log_assert(mesh->num_detached_states + 
				mesh->num_reply_states <= mesh->all.count);
		}
	}
	rbtree_init(&qstate->mesh_info->sub_set, &mesh_state_ref_compare);
}