219 static inline void sys_dnode_init(sys_dnode_t *node)  in sys_dnode_init()  argument
221 	node->next = NULL;  in sys_dnode_init()
222 	node->prev = NULL;  in sys_dnode_init()
233 static inline bool sys_dnode_is_linked(const sys_dnode_t *node)  in sys_dnode_is_linked()  argument
235 	return node->next != NULL;  in sys_dnode_is_linked()
247 static inline bool sys_dlist_is_head(sys_dlist_t *list, sys_dnode_t *node)  in sys_dlist_is_head()  argument
249 	return list->head == node;  in sys_dlist_is_head()
261 static inline bool sys_dlist_is_tail(sys_dlist_t *list, sys_dnode_t *node)  in sys_dlist_is_tail()  argument
263 	return list->tail == node;  in sys_dlist_is_tail()
334 							sys_dnode_t *node)  in sys_dlist_peek_next_no_check()  argument
336 	return (node == list->tail) ? NULL : node->next;  in sys_dlist_peek_next_no_check()
350 					       sys_dnode_t *node)  in sys_dlist_peek_next()  argument
352 	return (node != NULL) ? sys_dlist_peek_next_no_check(list, node) : NULL;  in sys_dlist_peek_next()
368 							sys_dnode_t *node)  in sys_dlist_peek_prev_no_check()  argument
370 	return (node == list->head) ? NULL : node->prev;  in sys_dlist_peek_prev_no_check()
385 					       sys_dnode_t *node)  in sys_dlist_peek_prev()  argument
387 	return (node != NULL) ? sys_dlist_peek_prev_no_check(list, node) : NULL;  in sys_dlist_peek_prev()
412 static inline void sys_dlist_append(sys_dlist_t *list, sys_dnode_t *node)  in sys_dlist_append()  argument
416 	node->next = list;  in sys_dlist_append()
417 	node->prev = tail;  in sys_dlist_append()
419 	tail->next = node;  in sys_dlist_append()
420 	list->tail = node;  in sys_dlist_append()
432 static inline void sys_dlist_prepend(sys_dlist_t *list, sys_dnode_t *node)  in sys_dlist_prepend()  argument
436 	node->next = head;  in sys_dlist_prepend()
437 	node->prev = list;  in sys_dlist_prepend()
439 	head->prev = node;  in sys_dlist_prepend()
440 	list->head = node;  in sys_dlist_prepend()
451 static inline void sys_dlist_insert(sys_dnode_t *successor, sys_dnode_t *node)  in sys_dlist_insert()  argument
455 	node->prev = prev;  in sys_dlist_insert()
456 	node->next = successor;  in sys_dlist_insert()
457 	prev->next = node;  in sys_dlist_insert()
458 	successor->prev = node;  in sys_dlist_insert()
476 static inline void sys_dlist_insert_at(sys_dlist_t *list, sys_dnode_t *node,  in sys_dlist_insert_at()  argument
477 	int (*cond)(sys_dnode_t *node, void *data), void *data)  in sys_dlist_insert_at()  argument
480 		sys_dlist_append(list, node);  in sys_dlist_insert_at()
488 			sys_dlist_insert(pos, node);  in sys_dlist_insert_at()
490 			sys_dlist_append(list, node);  in sys_dlist_insert_at()
504 static inline void sys_dlist_remove(sys_dnode_t *node)  in sys_dlist_remove()  argument
506 	sys_dnode_t *const prev = node->prev;  in sys_dlist_remove()
507 	sys_dnode_t *const next = node->next;  in sys_dlist_remove()
511 	sys_dnode_init(node);  in sys_dlist_remove()
526 	sys_dnode_t *node = NULL;  in sys_dlist_get()  local
529 		node = list->head;  in sys_dlist_get()
530 		sys_dlist_remove(node);  in sys_dlist_get()
533 	return node;  in sys_dlist_get()
546 	sys_dnode_t *node = NULL;  in sys_dlist_len()  local
548 	SYS_DLIST_FOR_EACH_NODE(list, node) {  in sys_dlist_len()