Op 02-05-2026 03:24 CEST schreef Kuniyuki Iwashima [off-list ref]:

quoted

quoted

Does this flag need per-recvmsg() granularity ?

Perhaps not. What would be the alternative? A fcntl option for the socket fd?

I'd add a new socket option like

setsockopt(SOL_SOCKET, SO_RIGHTS_TRUNC, &(int){0}, sizeof(int));

I think this is reasonable suggestion (and better than using the MSG_ flags).
Let's just let this sit for a few days to see if anyone else has suggestions/
objections.