tco.py 文件源码

def listen(self, backlog):
        with self.lock:
            if self.state.SHUTDOWN:
                raise err.Error(errno.ESHUTDOWN)
            if not self.state.CLOSED:
                self.err("listen() but socket state is {0}".format(self.state))
                raise err.Error(errno.ENOTSUP)
            self.state.LISTEN = True
            self.recv_buf = backlog