X-Git-Url: https://git.liburcu.org/?p=urcu.git;a=blobdiff_plain;f=urcu%2Flist.h;h=888e776fd3b9309470aa5c552e77745744aedda5;hp=82c2ea4b9375855313c5b6cfaa5922415dfdeaea;hb=3d02c34dba0edc4a3554a3862a2ae96d77b3b4e8;hpb=63ff4873e046ba582d20e79ebff16ee7da2aa92f diff --git a/urcu/list.h b/urcu/list.h index 82c2ea4..888e776 100644 --- a/urcu/list.h +++ b/urcu/list.h @@ -80,6 +80,24 @@ list_del (list_t *elem) __list_del (elem->prev, elem->next); } +/* delete from list, add to another list as head */ +static inline void +list_move (list_t *elem, list_t *head) +{ + __list_del (elem->prev, elem->next); + list_add (elem, head); +} + +/* replace an old entry. + */ +static inline void +list_replace(list_t *old, list_t *_new) +{ + _new->next = old->next; + _new->prev = old->prev; + _new->prev->next = _new; + _new->next->prev = _new; +} /* Join two lists. */ static inline void @@ -141,11 +159,11 @@ static inline int list_empty(list_t *head) } static inline void list_replace_init(list_t *old, - list_t *new) + list_t *_new) { list_t *head = old->next; list_del(old); - list_add_tail(new, head); + list_add_tail(_new, head); INIT_LIST_HEAD(old); }