projects
/
urcu.git
/ blobdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
raw
|
inline
| side by side
add uatomic_generic.h, use it for common definitions
[urcu.git]
/
urcu
/
compiler.h
diff --git
a/urcu/compiler.h
b/urcu/compiler.h
index 6f6d3e97eb3693ebdd7f8cc509b2acde5c709594..aab2c5cdd7bff1c590896f0add675ba3435fcc3a 100644
(file)
--- a/
urcu/compiler.h
+++ b/
urcu/compiler.h
@@
-18,10
+18,12
@@
* 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)
-#define barrier() asm volatile("" : : : "memory")
;
+#define barrier() asm volatile("" : : : "memory")
/*
* Instruct the compiler to perform only a single access to a variable
/*
* Instruct the compiler to perform only a single access to a variable
@@
-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 */
This page took
0.024511 seconds
and
4
git commands to generate.