一个workhorsing线程的C++类封装，可以作为中间件方便地创建、启动、暂停、同步、释放一个线程。只需要在这个类上派生新的类，重载虚函数run()，这个函数包含需要被执行的代码-A workhorsing thread C++ Type of package can be used as middleware to easily create, start, pause, synchronized release of a thread. Only in this category on a new type of derivative, overloaded virtual function run (), this function contains the code needs to be implemented