Last change
on this file since 3817 was 3232, checked in by Bruno Cornec, 11 years ago |
- Update mindi-busybox to 1.21.1
|
-
Property svn:eol-style
set to
native
|
File size:
1.1 KB
|
Line | |
---|
1 | /* vi: set sw=4 ts=4: */
|
---|
2 | /*
|
---|
3 | * Mini fsync implementation for busybox
|
---|
4 | *
|
---|
5 | * Copyright (C) 2008 Nokia Corporation. All rights reserved.
|
---|
6 | *
|
---|
7 | * Licensed under GPLv2 or later, see file LICENSE in this source tree.
|
---|
8 | */
|
---|
9 |
|
---|
10 | //usage:#define fsync_trivial_usage
|
---|
11 | //usage: "[-d] FILE..."
|
---|
12 | //usage:#define fsync_full_usage "\n\n"
|
---|
13 | //usage: "Write files' buffered blocks to disk\n"
|
---|
14 | //usage: "\n -d Avoid syncing metadata"
|
---|
15 |
|
---|
16 | #include "libbb.h"
|
---|
17 | #ifndef O_NOATIME
|
---|
18 | # define O_NOATIME 0
|
---|
19 | #endif
|
---|
20 |
|
---|
21 | /* This is a NOFORK applet. Be very careful! */
|
---|
22 |
|
---|
23 | int fsync_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
|
---|
24 | int fsync_main(int argc UNUSED_PARAM, char **argv)
|
---|
25 | {
|
---|
26 | int status;
|
---|
27 | int opts;
|
---|
28 |
|
---|
29 | opts = getopt32(argv, "d"); /* fdatasync */
|
---|
30 | argv += optind;
|
---|
31 | if (!*argv) {
|
---|
32 | bb_show_usage();
|
---|
33 | }
|
---|
34 |
|
---|
35 | status = EXIT_SUCCESS;
|
---|
36 | do {
|
---|
37 | int fd = open_or_warn(*argv, O_NOATIME | O_NOCTTY | O_RDONLY);
|
---|
38 |
|
---|
39 | if (fd == -1) {
|
---|
40 | status = EXIT_FAILURE;
|
---|
41 | continue;
|
---|
42 | }
|
---|
43 | if ((opts ? fdatasync(fd) : fsync(fd))) {
|
---|
44 | //status = EXIT_FAILURE; - do we want this?
|
---|
45 | bb_simple_perror_msg(*argv);
|
---|
46 | }
|
---|
47 | close(fd);
|
---|
48 | } while (*++argv);
|
---|
49 |
|
---|
50 | return status;
|
---|
51 | }
|
---|
Note:
See
TracBrowser
for help on using the repository browser.