From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Paul Eggert Newsgroups: gmane.emacs.bugs Subject: bug#13149: 24.3.50; Emacs thinks file was changed outside Emacs, but it was not Date: Thu, 17 Jan 2013 21:01:37 -0800 Organization: UCLA Computer Science Department Message-ID: <50F8D731.5020001@cs.ucla.edu> References: <6CDE13E3BCAA4AFAAB8BCE105C6ABF12@us.oracle.com> <874njs19zb.fsf@yandex.ru> <50F3935A.2090003@yandex.ru> <50F41CE7.60306@gmail.com> <50F44E6B.8090007@cs.ucla.edu> <50F484CB.6010905@gmail.com> <50F4FB0B.5070003@cs.ucla.edu> <50F5192B.602@yandex.ru> <50F5928A.9010009@cs.ucla.edu> <50F5CC3D.5090802@yandex.ru> <50F5CE65.9030002@cs.ucla.edu> <50F5D3F5.6050604@yandex.ru> <50F5DA58.3020404@cs.ucla.edu> <50F5E1C1.2040301@yandex.ru> <50F5E9DB.1030309@gmail.com> <50F64149.6010704@cs.ucla.edu> <50F7D358.9030100@gmail.com> <50F86E12.3040707@cs.ucla.edu> <50F8D150.8030200@gmail.com> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1358485340 24268 80.91.229.3 (18 Jan 2013 05:02:20 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 18 Jan 2013 05:02:20 +0000 (UTC) Cc: 13149@debbugs.gnu.org To: Dmitry Gutov Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Fri Jan 18 06:02:38 2013 Return-path: Envelope-to: geb-bug-gnu-emacs@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 1Tw46A-0001Xt-8u for geb-bug-gnu-emacs@m.gmane.org; Fri, 18 Jan 2013 06:02:38 +0100 Original-Received: from localhost ([::1]:33017 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Tw45t-0007Ms-LS for geb-bug-gnu-emacs@m.gmane.org; Fri, 18 Jan 2013 00:02:21 -0500 Original-Received: from eggs.gnu.org ([208.118.235.92]:53280) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Tw45q-0007Ll-Dn for bug-gnu-emacs@gnu.org; Fri, 18 Jan 2013 00:02:19 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Tw45p-0007qI-G0 for bug-gnu-emacs@gnu.org; Fri, 18 Jan 2013 00:02:18 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:60439) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Tw45p-0007qE-CL for bug-gnu-emacs@gnu.org; Fri, 18 Jan 2013 00:02:17 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.72) (envelope-from ) id 1Tw46X-00060j-HP for bug-gnu-emacs@gnu.org; Fri, 18 Jan 2013 00:03:01 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Paul Eggert Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 18 Jan 2013 05:03:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 13149 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: unreproducible moreinfo Original-Received: via spool by 13149-submit@debbugs.gnu.org id=B13149.135848535123064 (code B ref 13149); Fri, 18 Jan 2013 05:03:01 +0000 Original-Received: (at 13149) by debbugs.gnu.org; 18 Jan 2013 05:02:31 +0000 Original-Received: from localhost ([127.0.0.1]:37670 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1Tw462-0005zw-S7 for submit@debbugs.gnu.org; Fri, 18 Jan 2013 00:02:31 -0500 Original-Received: from smtp.cs.ucla.edu ([131.179.128.62]:33642) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1Tw45y-0005zm-JM for 13149@debbugs.gnu.org; Fri, 18 Jan 2013 00:02:28 -0500 Original-Received: from localhost (localhost.localdomain [127.0.0.1]) by smtp.cs.ucla.edu (Postfix) with ESMTP id 46AEB39E810A; Thu, 17 Jan 2013 21:01:41 -0800 (PST) X-Virus-Scanned: amavisd-new at smtp.cs.ucla.edu Original-Received: from smtp.cs.ucla.edu ([127.0.0.1]) by localhost (smtp.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 3lOp1eYzH07g; Thu, 17 Jan 2013 21:01:40 -0800 (PST) Original-Received: from [192.168.1.9] (pool-71-189-154-249.lsanca.fios.verizon.net [71.189.154.249]) by smtp.cs.ucla.edu (Postfix) with ESMTPSA id BFF4B39E8106; Thu, 17 Jan 2013 21:01:40 -0800 (PST) User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130106 Thunderbird/17.0.2 In-Reply-To: <50F8D150.8030200@gmail.com> X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.13 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Received-From: 140.186.70.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:69958 Archived-At: On 01/17/2013 08:36 PM, Dmitry Gutov wrote: > The time stamps were identical in all combinations: Did vboxsf and/or cifs report time stamps that were not on 100-ns boundaries? That would be a bug. How about the following program? What does it output? #include #include #include #include #include static int report_times (int fd, char const *file) { struct stat fst, lst, st; if (fstat (fd, &fst) != 0) return perror ("fstat"), -1; if (lstat (file, &lst) != 0) return perror ("lstat"), -1; if (stat (file, &st) != 0) return perror ("stat"), -1; printf ("%ld.%09ld fstat\n", (long) fst.st_mtim.tv_sec, fst.st_mtim.tv_nsec); printf ("%ld.%09ld lstat\n", (long) lst.st_mtim.tv_sec, lst.st_mtim.tv_nsec); printf ("%ld.%09ld stat\n", (long) st.st_mtim.tv_sec, st.st_mtim.tv_nsec); printf ("\n"); return 0; } int main (void) { static char const file[] = "foo"; struct timespec interval; int fd; unlink (file); fd = open (file, O_CREAT | O_WRONLY, -1); if (fd < 0) return perror ("open"), 1; if (report_times (fd, file) != 0) return 1; interval.tv_sec = 0; interval.tv_nsec = 10000000; if (nanosleep (&interval, 0) != 0) return perror ("nanosleep"), 1; if (write (fd, file, sizeof file - 1) != sizeof file - 1) return perror ("write"), 1; if (report_times (fd, file) != 0) return 1; return 0; }