+ cerr << __FILE__ << "(" << __LINE__ << ")"
+ << ": constructor." << endl;
+#endif // DEBUG
+}
+
+void Runnable::static_run(Runnable* runner) {
+#ifdef DEBUG
+ cerr << __FILE__ << "(" << __LINE__ << ")"
+ << ": static_run(runner = " << runner << ")"
+ << endl;