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bug#13149: 24.3.50; Emacs thinks file was changed outside Emacs, but it
From: |
Paul Eggert |
Subject: |
bug#13149: 24.3.50; Emacs thinks file was changed outside Emacs, but it was not |
Date: |
Tue, 15 Jan 2013 13:47:17 -0800 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/17.0 Thunderbird/17.0 |
On 01/15/13 13:38, Dmitry Gutov wrote:
> If this is too bizarre, please wait until I re-confirm this on a new virtual
> machine with a different distro.
It's strange all right: it indicates that time stamps
are spontaneously jumping by 2 or more seconds, which I
can't explain by any file system bugs that I can think of.
Maybe it's a new class of bugs, but we'd need to know more
about them.
Could you please try instrumenting via this patch instead?
It should help diagnosis. Thanks.
=== modified file 'lib/stat-time.h'
--- lib/stat-time.h 2013-01-01 09:11:05 +0000
+++ lib/stat-time.h 2013-01-15 21:44:42 +0000
@@ -22,6 +22,7 @@
#include <sys/stat.h>
#include <time.h>
+#include <stdio.h>
_GL_INLINE_HEADER_BEGIN
#ifndef _GL_STAT_TIME_INLINE
@@ -134,18 +135,22 @@
/* Return *ST's data modification time. */
_GL_STAT_TIME_INLINE struct timespec
-get_stat_mtime (struct stat const *st)
+get_stat_mtime (struct stat const *st, char const *file, int line)
{
+ struct timespec t;
#ifdef STAT_TIMESPEC
- return STAT_TIMESPEC (st, st_mtim);
+ t = STAT_TIMESPEC (st, st_mtim);
#else
- struct timespec t;
t.tv_sec = st->st_mtime;
t.tv_nsec = get_stat_mtime_ns (st);
+#endif
+ fprintf (stderr, "%s:%d: stat_mtime=%ld.%09ld\n", file, line,
+ (long) t.tv_sec, (long) t.tv_nsec);
return t;
-#endif
}
+#define get_stat_mtime(st) get_stat_mtime (st, __FILE__, __LINE__)
+
/* Return *ST's birth time, if available; otherwise return a value
with tv_sec and tv_nsec both equal to -1. */
_GL_STAT_TIME_INLINE struct timespec
- bug#13149: 24.3.50; Emacs thinks file was changed outside Emacs, but it was not, Dmitry Gutov, 2013/01/14
- bug#13149: 24.3.50; Emacs thinks file was changed outside Emacs, but it was not, Dmitry Gutov, 2013/01/14
- bug#13149: 24.3.50; Emacs thinks file was changed outside Emacs, but it was not, Eli Zaretskii, 2013/01/14
- bug#13149: 24.3.50; Emacs thinks file was changed outside Emacs, but it was not, Paul Eggert, 2013/01/14
- bug#13149: 24.3.50; Emacs thinks file was changed outside Emacs, but it was not, Dmitry Gutov, 2013/01/14
- bug#13149: 24.3.50; Emacs thinks file was changed outside Emacs, but it was not, Paul Eggert, 2013/01/15
- bug#13149: 24.3.50; Emacs thinks file was changed outside Emacs, but it was not, Dmitry Gutov, 2013/01/15
- bug#13149: 24.3.50; Emacs thinks file was changed outside Emacs, but it was not, Paul Eggert, 2013/01/15
- bug#13149: 24.3.50; Emacs thinks file was changed outside Emacs, but it was not, Dmitry Gutov, 2013/01/15
- bug#13149: 24.3.50; Emacs thinks file was changed outside Emacs, but it was not,
Paul Eggert <=
- bug#13149: 24.3.50; Emacs thinks file was changed outside Emacs, but it was not, Dmitry Gutov, 2013/01/15
- bug#13149: 24.3.50; Emacs thinks file was changed outside Emacs, but it was not, Paul Eggert, 2013/01/15
- bug#13149: 24.3.50; Emacs thinks file was changed outside Emacs, but it was not, Dmitry Gutov, 2013/01/15
- bug#13149: 24.3.50; Emacs thinks file was changed outside Emacs, but it was not, Dmitry Gutov, 2013/01/15
- bug#13149: 24.3.50; Emacs thinks file was changed outside Emacs, but it was not, Paul Eggert, 2013/01/16
- bug#13149: 24.3.50; Emacs thinks file was changed outside Emacs, but it was not, Dmitry Gutov, 2013/01/17
- bug#13149: 24.3.50; Emacs thinks file was changed outside Emacs, but it was not, Eli Zaretskii, 2013/01/17
- bug#13149: 24.3.50; Emacs thinks file was changed outside Emacs, but it was not, Dmitry Gutov, 2013/01/17
- bug#13149: 24.3.50; Emacs thinks file was changed outside Emacs, but it was not, Eli Zaretskii, 2013/01/18
- bug#13149: 24.3.50; Emacs thinks file was changed outside Emacs, but it was not, Paul Eggert, 2013/01/17