+#define loop_count ((loop)->loop_count)
+#define backend_fd ((loop)->backend_fd)
+#define backend_fudge ((loop)->backend_fudge)
+#define backend_modify ((loop)->backend_modify)
+#define backend_poll ((loop)->backend_poll)
+#define curpid ((loop)->curpid)
+#define postfork ((loop)->postfork)