Joan Lledó, le jeu. 02 mai 2019 11:54:59 +0200, a ecrit:
> Lwip 2.1.2 added a new assertion to ensure that no unsupported flags
> are being sent to lwip_sendmsg(). The send operation must be updated to
> remove this unsupported flags.
> @@ -361,8 +361,11 @@ struct msghdr m = { msg_name:addr ? &addr->address : 0,
> return EINVAL;
>
> sockflags = lwip_fcntl (user->sock->sockno, F_GETFL, 0);
> + /* Remove unsupported flags */
> + flags &= MSG_DONTWAIT | MSG_MORE;
> if (sockflags & O_NONBLOCK)
> flags |= MSG_DONTWAIT;
I don't think we want to blindly drop unsupported flags. The application
requested some behavior, if we do not implemente it we shall return
EINVAL.
Samuel