Test fix: 0.6 branch does not have tls-compat.h

[userspace-rcu.git] / urcu / compiler.h

diff --git a/urcu/compiler.h b/urcu/compiler.h
index 6db803e9319845a38d847f6ccc339c2230f55c91..92867865865f19e45029e0d65c1ee5944c404420 100644 (file)
--- 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 */