From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: kgold@watson.ibm.com (kgold) Newsgroups: gmane.emacs.help Subject: Re: howto: 2 users interactively edit the same file ? Date: 31 Oct 2005 21:48:22 GMT Organization: IBM T.J. Watson Research Center Message-ID: <43669126_3@news1.prserv.net> References: <87ll0bvd9t.fsf@tiger.rapttech.com.au> <87acgrsieb.fsf@thalassa.informatimago.com> <8764reun7j.fsf@tiger.rapttech.com.au> NNTP-Posting-Host: main.gmane.org X-Trace: sea.gmane.org 1130794584 26473 80.91.229.2 (31 Oct 2005 21:36:24 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Mon, 31 Oct 2005 21:36:24 +0000 (UTC) Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Mon Oct 31 22:36:22 2005 Return-path: Original-Received: from lists.gnu.org ([199.232.76.165]) by ciao.gmane.org with esmtp (Exim 4.43) id 1EWhJJ-0006pc-Ny for geh-help-gnu-emacs@m.gmane.org; Mon, 31 Oct 2005 22:35:22 +0100 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1EWhJJ-0002yR-7K for geh-help-gnu-emacs@m.gmane.org; Mon, 31 Oct 2005 16:35:21 -0500 X-Newsreader: xrn 9.02 Original-Newsgroups: gnu.emacs.help Original-NNTP-Posting-Host: yktgi01e0-s5.watson.ibm.com Original-X-Trace: 31 Oct 2005 21:48:22 GMT, yktgi01e0-s5.watson.ibm.com Original-Lines: 31 Original-X-Complaints-To: abuse@prserv.net Original-Path: shelby.stanford.edu!newsfeed.stanford.edu!headwall.stanford.edu!newsfeed.news2me.com!nx01.iad01.newshosting.com!newshosting.com!207.115.63.142.MISMATCH!newscon02.news.prodigy.com!newscon06.news.prodigy.com!prodigy.net!kcnewsm02.prserv.net!newsfeed2.us.prserv.net!prserv.net!news1.prserv.net!alpha.watson.ibm.com!kgold Original-Xref: shelby.stanford.edu gnu.emacs.help:135130 Original-To: help-gnu-emacs@gnu.org X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.help:30721 Archived-At: Tim X writes: > > Have you actually tried this? > > I find it amazing this will work. The big problem is how can emacs, > which doesn't support threads, handle simultaneous input from two > distinct frames? I can't see how it can handle input from two > different input devices simultaneously either. The physical displaying > of the frame on another display is easy enough to understand - this is > a feature of X windows which emacs is able to take advantage of when > it is built with X lib support - but coping with input from two > sources at the same time is a very different matter. > > I'm very much looking forward to seeing how this can be done and wish > I had a second computer handy so that I could experiment for > myself. I've redirected windows to remote displays before under X and > that works quite will - it will be interesting to see how emacs can > deal with the concurrency of two users. I hope the OP will keep us > informed as to progress. I just tried it again - works fine. I used to do this all the time for instant messaging sessions before IM was invented. One machine was a pSeries running AIX and another was a Thinkpad running Linux. Warning: There is an obvious security issue, as the frame recipient can start a shell and become you. So you have to trust your partner. -- Ken Goldman kgold@watson.ibm.com 914-784-7646