Fix rcu_assign_pointer() dynamic linking behavior

[urcu.git] / urcu.h

diff --git a/urcu.h b/urcu.h
index af7d75cb7bc9e389ba9896a9207695d4feea9540..a0aac2195feea64a90043866950cfe0322eb0df7 100644 (file)
--- a/urcu.h
+++ b/urcu.h
@@ -56,6 +56,7 @@
 #define rcu_read_unlock                _rcu_read_unlock
 
 #define rcu_assign_pointer     _rcu_assign_pointer
+#define rcu_cmpxchg_pointer    _rcu_cmpxchg_pointer
 #define rcu_xchg_pointer       _rcu_xchg_pointer
 #define rcu_publish_content    _rcu_publish_content
 
@@ -73,7 +74,11 @@ extern void *rcu_dereference(void *p);
 extern void *rcu_assign_pointer_sym(void **p, void *v);
 
 #define rcu_assign_pointer(p, v)                       \
-       rcu_assign_pointer_sym((void **)(p), (v))
+       rcu_assign_pointer_sym((void **)(&(p)), (v))
+
+extern void *rcu_cmpxchg_pointer_sym(void **p, void *old, void *_new);
+#define rcu_cmpxchg_pointer(p, old, _new)              \
+       rcu_cmpxchg_pointer_sym((void **)(p), (old), (_new))
 
 extern void *rcu_xchg_pointer_sym(void **p, void *v);
 #define rcu_xchg_pointer(p, v)                         \
@@ -93,4 +98,9 @@ extern void synchronize_rcu(void);
 extern void rcu_register_thread(void);
 extern void rcu_unregister_thread(void);
 
+/*
+ * Explicit urcu initialization, for "early" use within library constructors.
+ */
+extern void urcu_init(void);
+
 #endif /* _URCU_H */