On Dec 5, 2011, at 4:10 AM, jyl_2006 wrote: > This time, the program you provide work perfectly. > But when I use another program to test, the result > is"SCTP_GET_LOCAL_ADDRESS:no such file or directory". This means that you are using a one-to-many style socket (SOCK_SEQPACKET) and you provide an association identifier which does not belong to any association (anymore). > > /*My own program have the same set with the program you provide, that means > the ip address is the same and both programs have same "Server to be > connected" . > The "siz" refered in the following code is different with the value I get > from my another program*/ > > if (getsockopt(_sctp_socket, IPPROTO_SCTP, SCTP_GET_LOCAL_ADDRESSES, addrs, > &siz) != 0) { > perror("SCTP_GET_LOCAL_ADDRESSES"); > return (-1); > } > printf("siz = %u.\n", siz); > > As far as I know, then getsockopt is fail, the return value is -1, and the > errno is set as one of following values 1.EBADF, 2.ENOTSOCK, 3.ENOPROTOOPT > 4.EFAULT, 5.EINVAL . In my own program I use return_value = This is from the man page. In case of SCTP socket it seems to miss some error codes... > getsockopt(_sctp_socket, IPPROTO_SCTP, SCTP_GET_LOCAL_ADDRESSES, addrs, > &siz), the value of return_value is -1, so it means an error happened and > errno will be set. A strange thing happens, the errno is not the values > refered above. So which one is it? The man page seems to need some update.
Best regards Michael > > Thanks. > > -- > View this message in context: > http://freebsd.1045724.n5.nabble.com/the-return-value-of-sctp-connectx-do-not-match-any-error-tp5041952p5047743.html > Sent from the freebsd-net mailing list archive at Nabble.com. > _______________________________________________ > freebsd-net@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org" > _______________________________________________ freebsd-net@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org"