55    struct exec_node *prev;  member
60    exec_node() : next(NULL), prev(NULL)  in exec_node()
121    n->prev = NULL;  in exec_node_init()
139    return n->prev;  in exec_node_get_prev_const()
145    return n->prev;  in exec_node_get_prev()
151    n->next->prev = n->prev;  in exec_node_remove()
152    n->prev->next = n->next;  in exec_node_remove()
154    n->prev = NULL;  in exec_node_remove()
161    n->prev = n;  in exec_node_self_link()
168    after->prev = n;  in exec_node_insert_after()
170    n->next->prev = after;  in exec_node_insert_after()
178    before->prev = n->prev;  in exec_node_insert_node_before()
180    n->prev->next = before;  in exec_node_insert_node_before()
181    n->prev = before;  in exec_node_insert_node_before()
187    replacement->prev = n->prev;  in exec_node_replace_with()
190    n->prev->next = replacement;  in exec_node_replace_with()
191    n->next->prev = replacement;  in exec_node_replace_with()
203    return n->prev == NULL;  in exec_node_is_head_sentinel()
354    list->head_sentinel.prev = NULL;  in exec_list_make_empty()
356    list->tail_sentinel.prev = &list->head_sentinel;  in exec_list_make_empty()
409    return !exec_list_is_empty(list) ? list->tail_sentinel.prev : NULL;  in exec_list_get_tail_const()
415    return !exec_list_is_empty(list) ? list->tail_sentinel.prev : NULL;  in exec_list_get_tail()
421    return list->tail_sentinel.prev;  in exec_list_get_tail_raw_const()
427    return list->tail_sentinel.prev;  in exec_list_get_tail_raw()
447    n->prev = &list->head_sentinel;  in exec_list_push_head()
449    n->next->prev = n;  in exec_list_push_head()
457    n->prev = list->tail_sentinel.prev;  in exec_list_push_tail()
459    n->prev->next = n;  in exec_list_push_tail()
460    list->tail_sentinel.prev = n;  in exec_list_push_tail()
466    assert(n->prev->next == n);  in exec_list_push_degenerate_list_at_head()
468    n->prev->next = list->head_sentinel.next;  in exec_list_push_degenerate_list_at_head()
469    list->head_sentinel.next->prev = n->prev;  in exec_list_push_degenerate_list_at_head()
470    n->prev = &list->head_sentinel;  in exec_list_push_degenerate_list_at_head()
491       target->head_sentinel.prev = NULL;  in exec_list_move_nodes_to()
493       target->tail_sentinel.prev = list->tail_sentinel.prev;  in exec_list_move_nodes_to()
495       target->head_sentinel.next->prev = &target->head_sentinel;  in exec_list_move_nodes_to()
496       target->tail_sentinel.prev->next = &target->tail_sentinel;  in exec_list_move_nodes_to()
510    list->tail_sentinel.prev->next = source->head_sentinel.next;  in exec_list_append()
511    source->head_sentinel.next->prev = list->tail_sentinel.prev;  in exec_list_append()
515    list->tail_sentinel.prev = source->tail_sentinel.prev;  in exec_list_append()
516    list->tail_sentinel.prev->next = &list->tail_sentinel;  in exec_list_append()
529    after->tail_sentinel.prev->next = n->next;  in exec_node_insert_list_after()
530    after->head_sentinel.next->prev = n;  in exec_node_insert_list_after()
532    n->next->prev = after->tail_sentinel.prev;  in exec_node_insert_list_after()
551    before->tail_sentinel.prev->next = n;  in exec_node_insert_list_before()
552    before->head_sentinel.next->prev = n->prev;  in exec_node_insert_list_before()
554    n->prev->next = before->head_sentinel.next;  in exec_node_insert_list_before()
555    n->prev = before->tail_sentinel.prev;  in exec_node_insert_list_before()
565    assert(list->head_sentinel.next->prev == &list->head_sentinel);  in exec_list_validate()
566    assert(list->head_sentinel.prev == NULL);  in exec_list_validate()
568    assert(list->tail_sentinel.prev->next == &list->tail_sentinel);  in exec_list_validate()
575       assert(node->next->prev == node);  in exec_list_validate()
576       assert(node->prev->next == node);  in exec_list_validate()
694    for (__type *__inst = exec_node_typed_backward((__list)->tail_sentinel.prev, __type *);   \
696         (__inst) = exec_node_typed_backward((__inst)->prev, __type *))
709 …for (__type *__node = exec_node_typed_backward((__list)->tail_sentinel.prev, __type *),           …
710 …*__prev = (__node) ? exec_node_typed_backward((__list)->tail_sentinel.prev->prev, __type *) : NULL…
712 …      (__node) = __prev, __prev = __prev ? exec_node_typed_backward(__prev->prev, __type *) : NULL)
755            exec_node_data_backward(__type, (__list)->tail_sentinel.prev, __field);  \
757         (__node) = exec_node_data_backward(__type, (__node)->__field.prev, __field))
770            exec_node_data_backward(__type, (__list)->tail_sentinel.prev, __field),  \
772            exec_node_data_backward(__type, (__node)->__field.prev, __field) : NULL; \
774         (__node) = __prev, __prev = (__prev && (__prev)->__field.prev) ?            \
775            exec_node_data_backward(__type, (__prev)->__field.prev, __field) : NULL)