From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Date: Sun, 4 Sep 2011 21:57:59 +0000 (-0400)
Subject: urcu-rbtree: add test without rcu define
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=c2ceb27c04ba6857acf9532d787b92c28566f69e;p=urcu.git

urcu-rbtree: add test without rcu define

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
---

diff --git a/urcu-rbtree.c b/urcu-rbtree.c
index 01733f0..4af4ab8 100644
--- a/urcu-rbtree.c
+++ b/urcu-rbtree.c
@@ -159,6 +159,7 @@
 #define RBTREE_RCU_SUPPORT_ROTATE_LEFT
 #define RBTREE_RCU_SUPPORT_ROTATE_RIGHT
 #define RBTREE_RCU_SUPPORT_TRANSPLANT
+#define RBTREE_RCU_SUPPORT
 
 #ifdef EXTRA_DEBUG
 static pthread_mutex_t test_mutex = PTHREAD_MUTEX_INITIALIZER;
@@ -255,6 +256,8 @@ void _rcu_rbtree_free_node(struct rcu_head *head)
 	node->rbtree->rbfree(node);
 }
 
+#ifdef RBTREE_RCU_SUPPORT
+
 static
 struct rcu_rbtree_node *dup_decay_node(struct rcu_rbtree *rbtree,
 				struct rcu_rbtree_node *x)
@@ -272,6 +275,17 @@ struct rcu_rbtree_node *dup_decay_node(struct rcu_rbtree *rbtree,
 	return xc;
 }
 
+#else /* RBTREE_RCU_SUPPORT */
+
+static
+struct rcu_rbtree_node *dup_decay_node(struct rcu_rbtree *rbtree,
+				struct rcu_rbtree_node *x)
+{
+	return x;
+}
+
+#endif
+
 /*
  * Info for range lookups:
  * Range lookup information is only valid when used when searching for
@@ -1282,7 +1296,11 @@ int rcu_rbtree_remove(struct rcu_rbtree *rbtree,
 	 * Commit all _CMM_STORE_SHARED().
 	 */
 	cmm_smp_wmc();
+#ifdef RBTREE_RCU_SUPPORT
 	rbtree->call_rcu(&z->head, _rcu_rbtree_free_node);
+#else
+	_rcu_rbtree_free_node(&z->head);
+#endif
 
 	return 0;
 }