X-Git-Url: https://git.liburcu.org/?p=urcu.git;a=blobdiff_plain;f=src%2Furcu-utils.h;h=69e37bd3dcbabbaf5cd07348fbf387e4a68f9858;hp=3c3c7a166198a20026f3f6e303215c6111415aac;hb=375db287452ed4ec9e062e6d670d4cc198a8253d;hpb=ce28e67a534dcf0b68ccad2218e5a2e552e6e469

diff --git a/src/urcu-utils.h b/src/urcu-utils.h
index 3c3c7a1..69e37bd 100644
--- a/src/urcu-utils.h
+++ b/src/urcu-utils.h
@@ -23,9 +23,25 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+#include <urcu/config.h>
+
 #define urcu_stringify(a) _urcu_stringify(a)
 #define _urcu_stringify(a) #a
 
+#define max_t(type, x, y)				\
+	({						\
+		type __max1 = (x);              	\
+		type __max2 = (y);              	\
+		__max1 > __max2 ? __max1: __max2;	\
+	})
+
+#define min_t(type, x, y)				\
+	({						\
+		type __min1 = (x);              	\
+		type __min2 = (y);              	\
+		__min1 <= __min2 ? __min1: __min2;	\
+	})
+
 /* There is no concept of symbol aliases on MacOS */
 #ifdef __APPLE__
 #define URCU_ATTR_ALIAS(x)
@@ -33,4 +49,18 @@
 #define URCU_ATTR_ALIAS(x) __attribute__((alias(x)))
 #endif
 
+#ifdef CONFIG_RCU_TLS
+#define DEFINE_URCU_TLS_ALIAS_1(type, name, alias)		\
+	URCU_ATTR_ALIAS(#name)					\
+	extern type alias
+
+#else
+#define DEFINE_URCU_TLS_ALIAS_1(type, name, alias)		\
+	URCU_ATTR_ALIAS("*__tls_access_" #name)			\
+	type *__tls_access_ ## alias()
+#endif
+
+#define DEFINE_URCU_TLS_ALIAS(type, name, alias)		\
+	DEFINE_URCU_TLS_ALIAS_1(type, name, alias)
+
 #endif /* _URCU_UTILS_H */