+atomics::atomic<int> x;
+atomics::atomic<int> y;
+typedef cds::sync::spin SpinLock;
+SpinLock l;
+
+struct value_type {
+ size_t num;
+};
+
+typedef stack::Types<value_type>::Treiber_HP stack_type;
+stack_type stack;
+rigtorp::SPSCQueue<size_t> q(10);
+