base_events.py 文件源码

def _set_reuseport(sock):
    if not hasattr(socket, 'SO_REUSEPORT'):
        raise ValueError('reuse_port not supported by socket module')
    else:
        try:
            sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEPORT, 1)
        except OSError:
            raise ValueError('reuse_port not supported by socket module, '
                             'SO_REUSEPORT defined but not implemented.')