Last change
on this file since 3491 was 3232, checked in by Bruno Cornec, 11 years ago |
- Update mindi-busybox to 1.21.1
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-
Property svn:eol-style
set to
native
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File size:
1.1 KB
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Rev | Line | |
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[2725] | 1 | /* vi: set sw=4 ts=4: */
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| 2 | /*
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| 3 | * Mini fsync implementation for busybox
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| 4 | *
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| 5 | * Copyright (C) 2008 Nokia Corporation. All rights reserved.
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| 6 | *
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| 7 | * Licensed under GPLv2 or later, see file LICENSE in this source tree.
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| 8 | */
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[3232] | 9 |
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| 10 | //usage:#define fsync_trivial_usage
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| 11 | //usage: "[-d] FILE..."
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| 12 | //usage:#define fsync_full_usage "\n\n"
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| 13 | //usage: "Write files' buffered blocks to disk\n"
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| 14 | //usage: "\n -d Avoid syncing metadata"
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| 15 |
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[2725] | 16 | #include "libbb.h"
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| 17 | #ifndef O_NOATIME
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| 18 | # define O_NOATIME 0
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| 19 | #endif
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| 20 |
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| 21 | /* This is a NOFORK applet. Be very careful! */
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| 22 |
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| 23 | int fsync_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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| 24 | int fsync_main(int argc UNUSED_PARAM, char **argv)
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| 25 | {
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| 26 | int status;
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| 27 | int opts;
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| 28 |
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| 29 | opts = getopt32(argv, "d"); /* fdatasync */
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| 30 | argv += optind;
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| 31 | if (!*argv) {
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| 32 | bb_show_usage();
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| 33 | }
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| 34 |
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| 35 | status = EXIT_SUCCESS;
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| 36 | do {
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| 37 | int fd = open_or_warn(*argv, O_NOATIME | O_NOCTTY | O_RDONLY);
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| 38 |
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| 39 | if (fd == -1) {
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| 40 | status = EXIT_FAILURE;
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| 41 | continue;
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| 42 | }
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| 43 | if ((opts ? fdatasync(fd) : fsync(fd))) {
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| 44 | //status = EXIT_FAILURE; - do we want this?
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| 45 | bb_simple_perror_msg(*argv);
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| 46 | }
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| 47 | close(fd);
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| 48 | } while (*++argv);
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| 49 |
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| 50 | return status;
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| 51 | }
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