X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=urcu%2Fcompiler.h;h=92867865865f19e45029e0d65c1ee5944c404420;hb=refs%2Fheads%2Fstable-0.6;hp=6db803e9319845a38d847f6ccc339c2230f55c91;hpb=4501f28414425eb594bd1396161a91cb23a11a6f;p=userspace-rcu.git

diff --git a/urcu/compiler.h b/urcu/compiler.h
index 6db803e..9286786 100644
--- a/urcu/compiler.h
+++ b/urcu/compiler.h
@@ -20,8 +20,8 @@
 
 #include <stddef.h>	/* for offsetof */
 
-#define likely(x)	__builtin_expect(!!(x), 1)
-#define unlikely(x)	__builtin_expect(!!(x), 0)
+#define caa_likely(x)	__builtin_expect(!!(x), 1)
+#define caa_unlikely(x)	__builtin_expect(!!(x), 0)
 
 #define	cmm_barrier()	asm volatile("" : : : "memory")
 
@@ -85,4 +85,9 @@
 #define URCU_FORCE_CAST(type, arg)	((type) (arg))
 #endif
 
+#define caa_is_signed_type(type)	(((type) (-1)) < 0)
+
+#define caa_cast_long_keep_sign(v)	\
+	(caa_is_signed_type(__typeof__(v)) ? (long) (v) : (unsigned long) (v))
+
 #endif /* _URCU_COMPILER_H */