From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Michael Albinus Newsgroups: gmane.emacs.devel Subject: Re: kqueue in Emacs 25.1? Date: Wed, 11 Nov 2015 16:52:33 +0100 Message-ID: <87lha41qke.fsf@gmx.de> References: <871tc315y3.fsf@lifelogs.com> <83k2pvqg0l.fsf@gnu.org> <87io5ddh7c.fsf_-_@gmx.de> <83d1vlq3g6.fsf@gnu.org> <87egg1dfnv.fsf@gmx.de> <83bnb5q19l.fsf@gnu.org> <87lha6yn2z.fsf@gmx.de> <85twourkly.fsf@iznogoud.viz> <87d1vhzz2w.fsf@gmx.de> <87y4e43gra.fsf@gmx.de> <85d1vg4kej.fsf@iznogoud.viz> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1447257403 21417 80.91.229.3 (11 Nov 2015 15:56:43 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 11 Nov 2015 15:56:43 +0000 (UTC) To: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Wed Nov 11 16:56:34 2015 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1ZwXl9-0003ow-L0 for ged-emacs-devel@m.gmane.org; Wed, 11 Nov 2015 16:56:31 +0100 Original-Received: from localhost ([::1]:41406 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZwXl9-0004wS-5E for ged-emacs-devel@m.gmane.org; Wed, 11 Nov 2015 10:56:31 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:55189) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZwXjD-00040L-Hi for emacs-devel@gnu.org; Wed, 11 Nov 2015 10:56:27 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZwXhL-0002kV-S0 for emacs-devel@gnu.org; Wed, 11 Nov 2015 10:54:31 -0500 Original-Received: from mout.gmx.net ([212.227.17.22]:58673) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZwXhL-0002kR-IC for emacs-devel@gnu.org; Wed, 11 Nov 2015 10:52:35 -0500 Original-Received: from detlef.gmx.de ([79.195.12.147]) by mail.gmx.com (mrgmx101) with ESMTPSA (Nemesis) id 0MYsEZ-1ZrEdV2mW3-00Vj6r for ; Wed, 11 Nov 2015 16:52:34 +0100 In-Reply-To: <85d1vg4kej.fsf@iznogoud.viz> (Wolfgang Jenkner's message of "Wed, 11 Nov 2015 16:37:24 +0100") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.0.50 (gnu/linux) X-Provags-ID: V03:K0:zcwoO2J1S+UV5ppo9XmY6ewPjuT4s+/GVf+FYMygxivexwoDTm8 ZuIOzLHxgRzS8iXwP1nIbc2mXGgj5T9vSDPDzoBPnT8Uu7WM2bzIrJ7mZYI2njt0Sx/1TC2 jUZN4eWAfPDOAWrhZDoZABUx/R1SYnCC0py2AMZmgBdZj5979kNwibXQ5V8ZuThVIaOhgK0 LYlNCT5wDlekikTp08AQw== X-UI-Out-Filterresults: notjunk:1;V01:K0:A3sCwxTdNC0=:dHAIUfmzsfC30pfWx4OFCR X6wtc73qHLWTRriEO5lVL0W2BvmuT0MFvvl+ypKqxwYYnSu0HDXkBK5kjsSAS6idFC7EPDH4P ad+RE0yBH3Rntj8SMv3sbxn7ZAacfJCyajV37bvkQbAC9VCGEA0B21TNVkGRcULPYsaMvFVMj KbiXpehKqqyGkD5zw6hRj4eKdlkGqjh0DbsbGdL5Frr1tKb92HnqXS6DtE1C3NMB/Y/Y2lTcu 37OYs9hNSPqEpUfPjWzW2YaQJSCdJE/3+rwl/LzM0lh14WE9z1VV/O7izLEmexRi8w9v8+CWr b+ESdXi/VJ+w+qvVoklXgvcD8w7MXWNqHiKXAD99MJ1z7zDyjffuoacpy2z2M1fDkpsNhmw/L UYhht2ja2biJoh/BrrJY60m3PIcWnqBmA1wIQug+F36a8FXYWmWrWjEtrAtfXYVEQBD6khn1O kvFp4DgvjVpQu4WxcSmkfmQLJ9YB/XrIa/EZMCI07FB4fpwIiiMN7R6exvmq4EDr5lvcHqO7j C9NZL5dthbkk/mNooZwyrhtdERXSRXFJQhLZxY94AmKE6zQQAIxyNv/XTy5eGDbJRSVuowGJT RDtzAqlZtogzwdkOwnqNTGvu0ehq4qFKiZyvZmFJF9A/2YQX8nBofCTts2aM9dBVcXvrAnaRs WsK5+V7gXw+3dQis2ExUA8DNOgYpcMUpw6oTinJtkvfgZQT/H+9uMLFJpNo7ZeMtqKwqCxu10 4P1qjFQA/EQpJ22L2JBMjL7m/1VJyaYRV4sk5y/vFH48gO2uyYkMSjn+ypLZbsvB1sLPo9I6 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 212.227.17.22 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:194078 Archived-At: Wolfgang Jenkner writes: >> This must be emulated, >> kqueue has no native support for watching directories. > > In the sense that a directory can be watched (it's a vnode type) but it > is not so straightforward to find out what exactly has changed when, > say, a `write' event arrives for it? Yes. I've studied the code in libinotify-kqueue and in the glib/gio/kqueue backend. Both seem to scan the directory for changes, once there is a "something has changed" kqueue event for a directory. I plan to implement it based on directory_files_internal (in dired.c). This is the working horse of directory-files-and-attributes. Btw, in case you don't know it yet: gives a pretty good overview about kqueue. Best regards, Michael.