m๒ =5Dc @ s d Z d k Z d k Z d k Z d k Z d k Z d k l Z y d k l Z l Z d Z Wn e j o d Z n Xd k Z d k l Z y d k l Z Wn e j o d k l Z n Xd e i f d YZ d Z e d j o e i d d n d S( s/ TestCases for testing the locking sub-system. N( s pprint( s Threads currentThreadi i ( s verbose( s dbt LockingTestCasec B s>