Add a cds_list_del_init()

Needed by some perfbook example code.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>

diff --git a/urcu/list.h b/urcu/list.h
index db7685fca289b5c3d48881a51fdfc570283d9dfc..ab7a470a8d0f245541ce7b853b72875784ad511e 100644 (file)
--- a/urcu/list.h
+++ b/urcu/list.h
@@ -80,6 +80,14 @@ cds_list_del (struct cds_list_head *elem)
   __cds_list_del (elem->prev, elem->next);
 }
 
+/* Remove element from list, initializing the element's list pointers. */
+static inline void
+cds_list_del_init (struct cds_list_head *elem)
+{
+       cds_list_del(elem);
+       CDS_INIT_LIST_HEAD(elem);
+}
+
 /* delete from list, add to another list as head */
 static inline void
 cds_list_move (struct cds_list_head *elem, struct cds_list_head *head)