_socket3.py 文件源码

def _real_close(self, _ss=_socket.socket, cancel_wait_ex=cancel_wait_ex):
        # This function should not reference any globals. See Python issue #808164.
        self.hub.cancel_wait(self._read_event, cancel_wait_ex)
        self.hub.cancel_wait(self._write_event, cancel_wait_ex)
        _ss.close(self._sock)

        # Break any references to the underlying socket object. Tested
        # by test__refcount. (Why does this matter?). Be sure to
        # preserve our same family/type/proto if possible (if we
        # don't, we can get TypeError instead of OSError; see
        # test_socket.SendmsgUDP6Test.testSendmsgAfterClose)... but
        # this isn't always possible (see test_socket.test_unknown_socket_family_repr)
        # TODO: Can we use a simpler proxy, like _socket2 does?
        try:
            self._sock = self._gevent_sock_class(self.family, self.type, self.proto)
        except OSError:
            pass
        else:
            _ss.close(self._sock)