tcp.py 文件源码

def _closeSocket(self):
        # socket.close() doesn't *really* close if there's another reference
        # to it in the TCP/IP stack, e.g. if it was was inherited by a
        # subprocess. And we really do want to close the connection. So we
        # use shutdown() instead, and then close() in order to release the
        # filedescriptor.
        skt = self.socket
        try:
            getattr(skt, self._socketShutdownMethod)(2)
        except socket.error:
            pass
        try:
            skt.close()
        except socket.error:
            pass