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
79
80
|
/* syncfs -- User interface to file_syncfs, synchronize filesystems.
Copyright (C) 1994, 95, 96, 97, 98 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 this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include <hurd.h>
#include <argp.h>
#include <error.h>
#include <version.h>
const char *argp_program_version = STANDARD_HURD_VERSION (sync);
static int synchronous = 1, do_children = 1;
static void
sync_one (const char *name, file_t port)
{
error_t err = (port == MACH_PORT_NULL ? errno
: file_syncfs (port, synchronous, do_children));
if (err)
error (1, err, "%s", name);
}
static error_t
parser (int key, char *arg, struct argp_state *state)
{
switch (key)
{
case 'a': synchronous = 0; break;
case 'c': do_children = 0; break;
case ARGP_KEY_NO_ARGS:
sync_one ("/", getcrdir ());
break;
case ARGP_KEY_ARG:
sync_one (arg, file_name_lookup (arg, 0, 0));
break;
default:
return ARGP_ERR_UNKNOWN;
}
return 0;
}
int
main (int argc, char *argv[])
{
static struct argp_option options[] =
{
{"asynchronous", 'a', 0, 0, "Do not wait for completion"},
{"no-children", 'c', 0, 0, "Do not synchronize child filesystems"},
{0}
};
struct argp argp =
{options, parser,
"[FILE...]", "Force all pending disk writes to be done immediately"
"\vThe filesystem containing each FILE is synchronized, and its child"
" filesystems unless --no-children is specified. With no FILE argument"
" synchronizes the root filesystem."};
argp_parse (&argp, argc, argv, 0, 0, 0);
return 0;
}
|
