5 #import <objc/objc-api.h>
10 extern atomic_int state;
12 #define CLASS0(n,nn) \
14 @interface C_##n##_##nn @end \
15 @implementation C_##n##_##nn \
17 atomic_fetch_add_explicit(&state, 1, memory_order_relaxed); \
21 #define CLASS(n,nn) CLASS0(n,nn)