1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
|
/* Process st_?time updates marked for a diskfs node.
Copyright (C) 1994,96,99,2000 Free Software Foundation, Inc.
This file is part of the GNU Hurd.
The GNU Hurd is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
The GNU Hurd is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with the GNU Hurd; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
/* Written by Michael I. Bushnell. */
#include "priv.h"
#include <maptime.h>
/* If NP->dn_set_ctime is set, then modify NP->dn_stat.st_ctime
appropriately; do the analogous operation for atime and mtime as well. */
void
diskfs_set_node_times (struct node *np)
{
struct timeval t;
if (!np->dn_set_mtime && !np->dn_set_atime && !np->dn_set_ctime)
return;
maptime_read (diskfs_mtime, &t);
/* We are careful to test and reset each of these individually, so there
is no race condition where a dn_set_?time flag setting gets lost. It
is not a problem to have the kind of race where the flag is set after
we've tested it and done nothing--as long as the flag remains set so
the update will happen at the next call. */
if (np->dn_set_mtime)
{
#ifdef notyet
np->dn_stat.st_mtimespec.ts_sec = t.tv_sec;
np->dn_stat.st_mtimespec.ts_nsec = t.tv_usec * 1000;
#else
np->dn_stat.st_mtime = t.tv_sec;
np->dn_stat.st_mtime_usec = t.tv_usec;
#endif
np->dn_stat_dirty = 1;
np->dn_set_mtime = 0;
}
if (np->dn_set_atime)
{
#ifdef notyet
np->dn_stat.st_atimespec.ts_sec = t.tv_sec;
np->dn_stat.st_atimespec.ts_nsec = t.tv_usec * 1000;
#else
np->dn_stat.st_atime = t.tv_sec;
np->dn_stat.st_atime_usec = t.tv_usec;
#endif
np->dn_stat_dirty = 1;
np->dn_set_atime = 0;
}
if (np->dn_set_ctime)
{
#ifdef notyet
np->dn_stat.st_ctimespec.ts_sec = t.tv_sec;
np->dn_stat.st_ctimespec.ts_nsec = t.tv_usec * 1000;
#else
np->dn_stat.st_ctime = t.tv_sec;
np->dn_stat.st_ctime_usec = t.tv_usec;
#endif
np->dn_stat_dirty = 1;
np->dn_set_ctime = 0;
}
}
|
