Every time a client connects, the socket-server object would grab a thread from a pool of dormant pre-created threads and set that thread to work servicing the client connection.

• 每当一个客户机连接到服务器时,服务器端的对象会从池中抓取一个预先创建的睡眠线程,并把此线程设置为服务于客户端连接。