286 	tree_node_t *ntn, *ntree = NULL;  in create_spine()  local
288 	if ((ntn = tree_node_new()) == NULL)   in create_spine()
292 	ntn->ft  = w->ft;  in create_spine()
293 	ntn->cb  = cb;  in create_spine()
294 	ntn->ev  = w->ev;  in create_spine()
295 	ntn->arg = w->arg;  in create_spine()
296 	ntree = ntn;          /* we start from the leaf */  in create_spine()
299 		if (!(ntn = tree_node_new())) {  in create_spine()
304 		ntn->ft = w->ft;  in create_spine()
305 		ntn->ev = w->ev;  in create_spine()
306 		ntn->arg = w->arg;  in create_spine()
308 		TREE_INSERT_CHILD(ntn, ntree, link);  in create_spine()
310 			TREE_INSERT_CHILD(ntn, ntree, invk);  in create_spine()
313 		ntree = ntn;  in create_spine()
340 		tree_node_t *ntn, *ptn = NULL;
490 				tree_node_t *ntn, *ptn = NULL;  in RegCb()  local
499 				if (!(ntn = tree_node_new())) {  in RegCb()
504 				ntn->ft  = w->ft;  in RegCb()
505 				ntn->cb  = w->cb;  in RegCb()
506 				ntn->ev  = w->ev;  in RegCb()
507 				ntn->arg = w->arg;  in RegCb()
512 					TREE_INSERT_CHILD(ptn, ntn, link);  in RegCb()
513 					if (!IS_FLOATING_EVENT(ntn))  in RegCb()
514 						TREE_INSERT_CHILD(ptn, ntn, invk);  in RegCb()
518 					free(ntn);  in RegCb()
622 			tree_node_t *ntn, *ptn;  in UnregCb()  local
627 			if (!(ntn = tree_node_new())) {  in UnregCb()
633 			ntn->ft = w->ft;  in UnregCb()
634 			ntn->cb = w->cb;  in UnregCb()
635 			ntn->ev = w->ev;  in UnregCb()
636 			ntn->arg = w->arg;  in UnregCb()
644 				TREE_INSERT_CHILD(ptn, ntn, link);  in UnregCb()
645 				if (!IS_FLOATING_EVENT(ntn))  in UnregCb()
646 					TREE_INSERT_CHILD(ptn, ntn, invk);  in UnregCb()
649 				ntree = ntn;  in UnregCb()
706 		tree_node_t *ntn;  in GlobInitEvent()  local
707 		if (!(ntn = tree_node_new())) {  in GlobInitEvent()
711 		ntn->ev = 1 << i;  in GlobInitEvent()
712 		ntn->ft = NULL;  in GlobInitEvent()
713 		ntn->cb = NULL;  in GlobInitEvent()
714 		TREE_INIT_NODE(ntn, link);  in GlobInitEvent()
715 		TREE_INIT_NODE(ntn, invk);  in GlobInitEvent()
716 		TREE_INSERT_CHILD(g_evroot, ntn, link);  in GlobInitEvent()
717 		TREE_INSERT_CHILD(g_evroot, ntn, invk);  in GlobInitEvent()
719 		dforest_store(ntn->ev, ntn);  in GlobInitEvent()