X-Spam-Check-By: sourceware.org Date: Thu, 24 Nov 2005 11:48:04 -0500 From: Christopher Faylor To: cygwin@cygwin.com Subject: Re: WSADuplicateSocket used to implement ssh session multiplexing? Message-ID: <20051124164804.GA12239@trixie.casa.cgf.cx> Reply-To: cygwin@cygwin.com References: <4a162fd0511231156h142d7a7fnb598aee09b134ec4@mail.gmail.com> <20051124112503.GA2999@calimero.vinschen.de> <20051124113956.GW5385@implementation.labri.fr> <20051124154138.GH2999@calimero.vinschen.de> <20051124164139.GA5385@implementation.labri.fr> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20051124164139.GA5385@implementation.labri.fr> User-Agent: Mutt/1.5.11 Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm Precedence: bulk List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@cygwin.com Mail-Followup-To: cygwin@cygwin.com Delivered-To: mailing list cygwin@cygwin.com On Thu, Nov 24, 2005 at 05:41:39PM +0100, Samuel Thibault wrote: >Corinna Vinschen, le Thu 24 Nov 2005 16:41:38 +0100, a ?crit : >>On Nov 24 12:39, Samuel Thibault wrote: >>>Corinna Vinschen, le Thu 24 Nov 2005 12:25:03 +0100, a ?crit : >>>>You're missing the infrastructure necessary to send file descriptor >>>>data between processes. >>> >>>This is not trivial indeed, but it is _possible_, isn't it? >> >>Well, sure, everything is possible one way or the other. > >Not when it requires modifying the windows kernel because of security >guards. Here, transfering a windows socket handle _is_ possible with >the current kernel. Work only resides in cygwin. That's the expected >answer to the original question, I guess. Yeah, if only the infrastructure necessary to send file descriptor data between processes wasn't trivial. If it was, we could even use plain old DuplicateHandle. cgf -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/