X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=urcu%2Flist.h;h=d26751204192993c68c48010f7e931e18c6bfa2b;hb=5db941e8f87f9728883c2dd0446698d13d5b9fec;hp=6384728bc054d551fccd811cec27f43dc41d61da;hpb=4543556ae5911160e878f8f882d75baa6e94a5d5;p=urcu.git

diff --git a/urcu/list.h b/urcu/list.h
index 6384728..d267512 100644
--- a/urcu/list.h
+++ b/urcu/list.h
@@ -88,6 +88,17 @@ list_move (list_t *elem, list_t *head)
   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
 list_splice (list_t *add, list_t *head)