#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")
*/
#define CMM_ACCESS_ONCE(x) (*(volatile typeof(x) *)&(x))
-#ifndef max
-#define max(a,b) ((a)>(b)?(a):(b))
+#ifndef caa_max
+#define caa_max(a,b) ((a)>(b)?(a):(b))
#endif
-#ifndef min
-#define min(a,b) ((a)<(b)?(a):(b))
+#ifndef caa_min
+#define caa_min(a,b) ((a)<(b)?(a):(b))
#endif
#if defined(__SIZEOF_LONG__)
#define CAA_BITS_PER_LONG 32
#endif
-#define caa_container_of(ptr, type, member) \
+/*
+ * caa_container_of - Get the address of an object containing a field.
+ *
+ * @ptr: pointer to the field.
+ * @type: type of the object.
+ * @member: name of the field within the object.
+ */
+#define caa_container_of(ptr, type, member) \
({ \
- const typeof(((type *)NULL)->member) * __ptr = (ptr); \
+ const typeof(((type *) NULL)->member) * __ptr = (ptr); \
(type *)((char *)__ptr - offsetof(type, member)); \
})
+#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 */