extern "C" {
#endif
-#ifdef CONFIG_RCU_TLS /* Based on ax_tls.m4 */
+#ifdef CONFIG_RCU_TLS
+
+#if defined (__cplusplus) && (__cplusplus >= 201103L)
+# define URCU_TLS_STORAGE_CLASS thread_local
+#elif defined (__STDC_VERSION__) && (__STDC_VERSION__ >= 201112L)
+# define URCU_TLS_STORAGE_CLASS _Thread_local
+#elif defined (_MSC_VER)
+# define URCU_TLS_STORAGE_CLASS __declspec(thread)
+#else
+# define URCU_TLS_STORAGE_CLASS __thread
+#endif
/*
* Hint: How to define/declare TLS variables of compound types
* typedef int my_int_array_type[4];
* DEFINE_URCU_TLS(my_int_array_type, var_name);
*
- * Another exmaple:
+ * Another example:
* typedef void (*call_rcu_flavor)(struct rcu_head *, XXXX);
* DECLARE_URCU_TLS(call_rcu_flavor, p_call_rcu);
*
*/
# define DECLARE_URCU_TLS(type, name) \
- CONFIG_RCU_TLS type name
+ URCU_TLS_STORAGE_CLASS type name
# define DEFINE_URCU_TLS(type, name) \
- CONFIG_RCU_TLS type name
+ URCU_TLS_STORAGE_CLASS type name
# define URCU_TLS(name) (name)
#else /* #ifndef CONFIG_RCU_TLS */
+/*
+ * The *_1() macros ensure macro parameters are expanded.
+ */
+
# include <pthread.h>
struct urcu_tls {
int init_done;
};
-# define DECLARE_URCU_TLS(type, name) \
+# define DECLARE_URCU_TLS_1(type, name) \
type *__tls_access_ ## name(void)
+# define DECLARE_URCU_TLS(type, name) \
+ DECLARE_URCU_TLS_1(type, name)
/*
* Note: we don't free memory at process exit, since it will be dealt
* with by the OS.
*/
-# define DEFINE_URCU_TLS(type, name) \
+# define DEFINE_URCU_TLS_1(type, name) \
type *__tls_access_ ## name(void) \
{ \
static struct urcu_tls __tls_ ## name = { \
return __tls_p; \
}
-# define URCU_TLS(name) (*__tls_access_ ## name())
+# define DEFINE_URCU_TLS(type, name) \
+ DEFINE_URCU_TLS_1(type, name)
+
+# define URCU_TLS_1(name) (*__tls_access_ ## name())
+
+# define URCU_TLS(name) URCU_TLS_1(name)
#endif /* #else #ifndef CONFIG_RCU_TLS */