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Re: [PATCH] resolv_test.c: also cope with CONNREFUSED errors returned by recvfrom
Florian Weimer, on lun. 25 sept. 2017 09:31:02 +0200, wrote:
> On 09/10/2017 04:38 PM, Samuel Thibault wrote:
> > + if (length < 0)
> > + {
> > + /* The other end had closed the socket, and we are notified only now. */
> > + TEST_VERIFY_EXIT (errno == ECONNREFUSED);
> > + return true;
> > + }
>
> Sorry for not replying sooner.
>
> This UDP socket is unconnected. If asynchronous error notifications are
> received on it, this is arguably a TCP/IP stack bug.
Reception of "port unreachable" icmp packets can be asynchronous with
UDP too.
Samuel