X-Git-Url: https://git.liburcu.org/?a=blobdiff_plain;f=urcu%2Fcompiler.h;h=6db803e9319845a38d847f6ccc339c2230f55c91;hb=1f689e13ea7e519b1afc001e9c55a7b1b60b599f;hp=f8fce5a6b46558fa4a4b2d50f78f91eecf229c90;hpb=b194c06ef206b0fcf7f1e646fe7c1e8afa8766ce;p=urcu.git

diff --git a/urcu/compiler.h b/urcu/compiler.h
index f8fce5a..6db803e 100644
--- a/urcu/compiler.h
+++ b/urcu/compiler.h
@@ -71,4 +71,18 @@
 #define CAA_BUILD_BUG_ON_ZERO(cond) (sizeof(struct { int:-!!(cond); }))
 #define CAA_BUILD_BUG_ON(cond) ((void)BUILD_BUG_ON_ZERO(cond))
 
+/*
+ * __rcu is an annotation that documents RCU pointer accesses that need
+ * to be protected by a read-side critical section. Eventually, a static
+ * checker will be able to use this annotation to detect incorrect RCU
+ * usage.
+ */
+#define __rcu
+
+#ifdef __cplusplus
+#define URCU_FORCE_CAST(type, arg)	(reinterpret_cast<type>(arg))
+#else
+#define URCU_FORCE_CAST(type, arg)	((type) (arg))
+#endif
+
 #endif /* _URCU_COMPILER_H */