X-Git-Url: https://git.liburcu.org/?p=urcu.git;a=blobdiff_plain;f=urcu%2Flist.h;h=888e776fd3b9309470aa5c552e77745744aedda5;hp=7ccb76aeee760f0686155c0de34e568fc49fc50b;hb=3d02c34dba0edc4a3554a3862a2ae96d77b3b4e8;hpb=7a50dcf71c2134c4755ceee9cdaa865a07be27ad

diff --git a/urcu/list.h b/urcu/list.h
index 7ccb76a..888e776 100644
--- a/urcu/list.h
+++ b/urcu/list.h
@@ -65,14 +65,39 @@ list_add_tail (list_t *newp, list_t *head)
 }
 
 
+/* Remove element from list.  */
+static inline void
+__list_del (list_t *prev, list_t *next)
+{
+  next->prev = prev;
+  prev->next = next;
+}
+
 /* Remove element from list.  */
 static inline void
 list_del (list_t *elem)
 {
-  elem->next->prev = elem->prev;
-  elem->prev->next = elem->next;
+  __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
@@ -134,11 +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);
 }