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update s390 ifdefs
[urcu.git]
/
urcu
/
compiler.h
diff --git
a/urcu/compiler.h
b/urcu/compiler.h
index 6f6d3e97eb3693ebdd7f8cc509b2acde5c709594..975e1eadc1e9cfddd8c21d34f129921808ef7863 100644
(file)
--- a/
urcu/compiler.h
+++ b/
urcu/compiler.h
@@
-18,6
+18,8
@@
* modified is included with the above copyright notice.
*/
* modified is included with the above copyright notice.
*/
+#include <stddef.h> /* for offsetof */
+
#define likely(x) __builtin_expect(!!(x), 1)
#define unlikely(x) __builtin_expect(!!(x), 0)
#define likely(x) __builtin_expect(!!(x), 1)
#define unlikely(x) __builtin_expect(!!(x), 0)
@@
-37,14
+39,12
@@
*/
#define ACCESS_ONCE(x) (*(volatile typeof(x) *)&x)
*/
#define ACCESS_ONCE(x) (*(volatile typeof(x) *)&x)
-#if
(__GNUC__ == 4)
-#define
__compiler_offsetof(a, b) __builtin_offsetof(a, b
)
+#if
ndef max
+#define
max(a,b) ((a)>(b)?(a):(b)
)
#endif
#endif
-#ifdef __compiler_offsetof
-#define offsetof(TYPE, MEMBER) __compiler_offsetof(TYPE, MEMBER)
-#else
-#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
+#ifndef min
+#define min(a,b) ((a)<(b)?(a):(b))
#endif
#endif /* _URCU_COMPILER_H */
#endif
#endif /* _URCU_COMPILER_H */
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