wsgiext.py 文件源码

def server_bind(self):
        self.socket.setsockopt(socket.IPPROTO_IP, 15, 1) # IP_FREEBIND
        if self.__bind_v6only is not None and self.address_family == socket.AF_INET6:
            self.socket.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_V6ONLY, self.__bind_v6only)
        super().server_bind()