648         def thread_a(locking, waiting):  argument
666         def thread_b(locking, waiting):  argument
719         def thread_a(locking, waiting):  argument
737         def thread_b(locking, waiting):  argument
788         def thread_a(locking, waiting):  argument
806         def thread_b(locking, waiting):  argument
859         def thread_a(locking, waiting):  argument
877         def thread_b(locking, waiting):  argument
930         def thread_a(locking, waiting):  argument
950         def thread_b(locking, waiting):  argument
1006         def thread_a(locking, waiting):  argument
1026         def thread_b(locking, waiting):  argument
1080         def thread_a(locking, waiting):  argument
1101         def thread_b(locking, waiting):  argument
1159         def thread_a(locking, waiting):  argument
1183         def thread_b(locking, waiting):  argument
1264         def thread_a(locking, waiting):  argument
1282         def thread_b(locking, waiting):  argument
1374         def thread_a(locking, waiting):  argument
1392         def thread_b(locking, waiting):  argument
1621         def thread_a(locking, waiting):  argument
1639         def thread_b(locking, waiting):  argument
1695         def thread_a(locking, waiting):  argument
1713         def thread_b(locking, waiting):  argument
1766         def thread_a(locking, waiting):  argument
1784         def thread_b(locking, waiting):  argument
1839         def thread_a(locking, waiting):  argument
1857         def thread_b(locking, waiting):  argument
1915         def thread_a(locking, waiting):  argument
1935         def thread_b(locking, waiting):  argument