From: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Date: Wed, 8 Jun 2011 23:32:23 +0000 (-0400)
Subject: Add a cds_list_del_init()
X-Git-Tag: v0.6.0~33
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=3ec07d9f997f77af1dd589723dfbf881c4ad453e;p=userspace-rcu.git

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 db7685f..ab7a470 100644
--- 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)