add rcu_cmpxchg_pointer

[urcu.git] / urcu-qsbr.h

diff --git a/urcu-qsbr.h b/urcu-qsbr.h
index 9a2c82f4b1e503155de664a545c8c5e5697c5608..346f906202aa60edc8f5c77628e18af5f130361a 100644 (file)
--- a/urcu-qsbr.h
+++ b/urcu-qsbr.h
@@ -103,6 +103,10 @@ extern void *rcu_assign_pointer_sym(void **p, void *v);
 #define rcu_assign_pointer(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)                         \
        rcu_xchg_pointer_sym((void **)(p), (v))