+extern surf_callback(void, CpuPtr) cpuStateChangedCallbacks;
+
+/** @ingroup SURF_callbacks
+ * @brief Callbacks handler which emit the callbacks after CpuAction State changed *
+ * @details Callback functions have the following signature: `void(CpuActionPtr)`
+ */
+extern surf_callback(void, CpuActionPtr) cpuActionStateChangedCallbacks;