Re: [PATCH x86_64] Live Patching Function on 2.6.11.7

Takashi Ikebe
2005-04-20T08:47:28Z

Chris Wedgwood wrote:
> On Wed, Apr 20, 2005 at 04:57:31PM +0900, Takashi Ikebe wrote:
>
>
>>hmm.. most internet base services will use TCPv4 TCPv6 SCTP...
>>AF_UNIX can not use as inter-nodes communication.
>
>
> You can send file descriptors (the actually file descriptors
> themselves, not their contents) to another process over a socket.
>
> A nearly ten-year old example is attached (ie. this isn't new or
> magical or specific to Linux).
>
>
>
> ------------------------------------------------------------------------
> int main()
> {
> int fds[2];
> int fd = -1;
> int rc = socketpair(AF_UNIX, SOCK_STREAM, 0, fds);
Hmm interest enough,
But please see man.

NOTES
On Linux, the only supported domain for this call is AF_UNIX (or
syn-
onymously, AF_LOCAL). (Most implementations have the same
restric-
tion.)

Only for AF_UNIX..

Well, as many said Live patching is very historical & authoritative
function on especially carrier, telecom vendor.
If linux want to be adopted on mission critical world, this function is
esseintial.

--
Takashi Ikebe
NTT Network Service Systems Laboratories
9-11, Midori-Cho 3-Chome Musashino-Shi,
Tokyo 180-8585 Japan
Tel : +81 422 59 4246, Fax : +81 422 60 4012
e-mail : ikebe.takashi@lab.ntt.co.jp