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Date: Wed, 14 Nov 2007 16:12:28 -0800 From: Ulrich Drepper <drepper@...hat.com> To: David Miller <davem@...emloft.net> CC: netdev@...r.kernel.org Subject: Re: network interface state -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 David Miller wrote: > Most daemons handle this by listening for events on the netlink > socket, but I understand how that might not be practical for > glibc. Right, this cannot work. I have no inner loop which I can control. I cannot install a listener. At some point, when we have non-sequential, hidden file descriptors, I'll be able to leave a socket file descriptor open. But that's about it. Even then the generation counter interface is likely to be the best choice. > It's part of the link information, Look in ifinfomsg->ifi_type Great, I fixed up the code. I guess in future, once I can cache the data, I'll simply read the RTM_GETADDR and RTM_GETLINK data all at once and be done with it. BTW, is it possible to send both these requests out before starting to read the results? This would reduce the amount of code quite a bit. - -- ➧ Ulrich Drepper ➧ Red Hat, Inc. ➧ 444 Castro St ➧ Mountain View, CA ❖ -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.7 (GNU/Linux) iD8DBQFHO47s2ijCOnn/RHQRApIIAJwNATDabXkfszG2e+gtJWO9f4wm4wCdFuoQ Yn40KK+cs9Di4fq+WKTQalo= =q02M -----END PGP SIGNATURE----- - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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