From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Dave Abrahams Newsgroups: gmane.emacs.devel Subject: Re: Proposed patch: allow user to disable lockfile creation Date: Sat, 30 Jul 2011 08:46:15 -0400 Message-ID: References: <87ei1bqi8p.fsf@uwakimon.sk.tsukuba.ac.jp> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: dough.gmane.org 1312030002 10040 80.91.229.12 (30 Jul 2011 12:46:42 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Sat, 30 Jul 2011 12:46:42 +0000 (UTC) To: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sat Jul 30 14:46:34 2011 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([140.186.70.17]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1Qn8w5-0000Tc-3J for ged-emacs-devel@m.gmane.org; Sat, 30 Jul 2011 14:46:33 +0200 Original-Received: from localhost ([::1]:39826 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Qn8w4-0003Nx-If for ged-emacs-devel@m.gmane.org; Sat, 30 Jul 2011 08:46:32 -0400 Original-Received: from eggs.gnu.org ([140.186.70.92]:53764) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Qn8w1-0003Ng-UT for emacs-devel@gnu.org; Sat, 30 Jul 2011 08:46:30 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Qn8w0-0007or-Sx for emacs-devel@gnu.org; Sat, 30 Jul 2011 08:46:29 -0400 Original-Received: from lo.gmane.org ([80.91.229.12]:60862) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Qn8w0-0007oZ-No for emacs-devel@gnu.org; Sat, 30 Jul 2011 08:46:28 -0400 Original-Received: from list by lo.gmane.org with local (Exim 4.69) (envelope-from ) id 1Qn8vy-0000Qe-Pc for emacs-devel@gnu.org; Sat, 30 Jul 2011 14:46:26 +0200 Original-Received: from 207-172-223-249.c3-0.smr-ubr3.sbo-smr.ma.static.cable.rcn.com ([207.172.223.249]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sat, 30 Jul 2011 14:46:26 +0200 Original-Received: from dave by 207-172-223-249.c3-0.smr-ubr3.sbo-smr.ma.static.cable.rcn.com with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sat, 30 Jul 2011 14:46:26 +0200 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 22 Original-X-Complaints-To: usenet@dough.gmane.org X-Gmane-NNTP-Posting-Host: 207-172-223-249.c3-0.smr-ubr3.sbo-smr.ma.static.cable.rcn.com User-Agent: Gnus/5.110018 (No Gnus v0.18) Emacs/23.3 (darwin) Cancel-Lock: sha1:ftgk+048gjNeHqrrEbaYEWfPEQQ= X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) X-Received-From: 80.91.229.12 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:142517 Archived-At: on Fri Jul 29 2011, Richard Stallman wrote: > However, many systems now have a 'switch user' context, which > allows the desktop to switch to another user without the previous use > logging out. Potentially, this could have locking implications. > > That is true. > > If clash detection were done with advisory locks, it might be so > painless that nobody would want to ever disable it. Might be. I'm all for any change that requires no additional user options. We might discover after releasing it that we still need the option, but that kind of change would solve my immediate issue without making things worse. Unfortunately, it's not a change I know how to make, so someone else would need to supply the patch. -- Dave Abrahams BoostPro Computing http://www.boostpro.com