From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Ted Zlatanov Newsgroups: gmane.emacs.devel Subject: Re: [PATCH updated] Support for filesystem watching (inotify) Date: Mon, 06 Jun 2011 15:16:14 -0500 Organization: =?utf-8?B?0KLQtdC+0LTQvtGAINCX0LvQsNGC0LDQvdC+0LI=?= @ Cienfuegos Message-ID: <871uz6hg1d.fsf@lifelogs.com> References: <201106040034.15598.ruediger@c-plusplus.de> <8762olmk6y.fsf@ambire.localdomain> <201106061825.25078.ruediger@c-plusplus.de> Reply-To: emacs-devel@gnu.org NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: dough.gmane.org 1307396705 6094 80.91.229.12 (6 Jun 2011 21:45:05 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Mon, 6 Jun 2011 21:45:05 +0000 (UTC) To: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Mon Jun 06 23:45:00 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 1QThbY-0000bt-5P for ged-emacs-devel@m.gmane.org; Mon, 06 Jun 2011 23:45:00 +0200 Original-Received: from localhost ([::1]:40881 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QThbW-0002mZ-KI for ged-emacs-devel@m.gmane.org; Mon, 06 Jun 2011 17:44:58 -0400 Original-Received: from eggs.gnu.org ([140.186.70.92]:47660) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QTgDw-0005gI-Oq for emacs-devel@gnu.org; Mon, 06 Jun 2011 16:16:33 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1QTgDu-0006yq-2N for emacs-devel@gnu.org; Mon, 06 Jun 2011 16:16:32 -0400 Original-Received: from lo.gmane.org ([80.91.229.12]:43078) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QTgDt-0006yj-M9 for emacs-devel@gnu.org; Mon, 06 Jun 2011 16:16:29 -0400 Original-Received: from list by lo.gmane.org with local (Exim 4.69) (envelope-from ) id 1QTgDr-0004Ip-AV for emacs-devel@gnu.org; Mon, 06 Jun 2011 22:16:27 +0200 Original-Received: from 38.98.147.130 ([38.98.147.130]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 06 Jun 2011 22:16:27 +0200 Original-Received: from tzz by 38.98.147.130 with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 06 Jun 2011 22:16:27 +0200 X-Injected-Via-Gmane: http://gmane.org/ Mail-Followup-To: emacs-devel@gnu.org Original-Lines: 22 Original-X-Complaints-To: usenet@dough.gmane.org X-Gmane-NNTP-Posting-Host: 38.98.147.130 X-Face: bd.DQ~'29fIs`T_%O%C\g%6jW)yi[zuz6; d4V0`@y-~$#3P_Ng{@m+e4o<4P'#(_GJQ%TT= D}[Ep*b!\e,fBZ'j_+#"Ps?s2!4H2-Y"sx" Mail-Copies-To: never User-Agent: Gnus/5.110018 (No Gnus v0.18) Emacs/24.0.50 (gnu/linux) Cancel-Lock: sha1:52eU/HMydFnJ6xscoCA7NcklG8s= 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:140242 Archived-At: On Mon, 06 Jun 2011 14:11:12 -0300 Stefan Monnier wrote: >> The problem is: How to implement the file-unwatch then? I need a way >> to identify each separate file-watch request. What would be the best >> way to do that? SM> How about letting file-watch return a "file-watcher" which you then need SM> to pass to file-unwatch? This "file-watcher" could be any kind of Elisp SM> data you find convenient for this. You may decide to provide no other SM> operation than file-unwatch, but you could also decide to provided SM> additional operations such as changing the callback (I'm not saying SM> that would necessarily be a good idea, tho, but maybe other operations SM> would be handy). (background: url-future.el is really a generic futures library, but the only expected use for it currently is in url-*.el) The "file-watcher" could derive from url-future, with the nice error-catching and accessor functions that come with it, plus it's protected from double-invocation. Ted