Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261454AbVDTIr2 (ORCPT ); Wed, 20 Apr 2005 04:47:28 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261498AbVDTIr2 (ORCPT ); Wed, 20 Apr 2005 04:47:28 -0400 Received: from tama5.ecl.ntt.co.jp ([129.60.39.102]:31643 "EHLO tama5.ecl.ntt.co.jp") by vger.kernel.org with ESMTP id S261454AbVDTIrQ (ORCPT ); Wed, 20 Apr 2005 04:47:16 -0400 Message-ID: <4266168C.7050301@lab.ntt.co.jp> Date: Wed, 20 Apr 2005 17:45:00 +0900 From: Takashi Ikebe User-Agent: Mozilla Thunderbird 1.0 (X11/20041206) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Chris Wedgwood CC: Rik van Riel , Paul Jackson , linux-kernel@vger.kernel.org Subject: Re: [PATCH x86_64] Live Patching Function on 2.6.11.7 References: <42646983.4020908@lab.ntt.co.jp> <20050419042720.GA15123@taniwha.stupidest.org> <426494FD.6020307@lab.ntt.co.jp> <20050419055254.GA15895@taniwha.stupidest.org> <4265D80F.6030007@lab.ntt.co.jp> <20050420054352.GA7329@taniwha.stupidest.org> <4266062B.9060400@lab.ntt.co.jp> <20050420075031.GA31785@taniwha.stupidest.org> <42660B6B.6040600@lab.ntt.co.jp> <20050420082655.GA2756@taniwha.stupidest.org> In-Reply-To: <20050420082655.GA2756@taniwha.stupidest.org> Content-Type: text/plain; charset=ISO-2022-JP Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1532 Lines: 52 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 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/