我在ubuntu机器上使用python2.7。客户端尝试连接到服务器。我得到一个EINPROGRESS,这是非阻塞套接字所期望的。为了检查连接是否成功,我按照{connect}手册页的建议进行操作:#EINPROGRESSThesocketisnonblockingandtheconnectioncannotbe#completedimmediately.Itispossibletoselect(2)orpoll(2)for#completionbyselectingthesocketforwriting.Afterselect(2)#indicateswritability,useg