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fsync: new applet by Pekka Pessi (Pekka.Pessi AT nokia.com)

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function                                             old     new   delta
fsync_main                                             -     128    +128
fdatasync                                              -      39     +39
packed_usage                                       26596   26622     +26
applet_names                                        2098    2104      +6
applet_main                                         1240    1244      +4
applet_nameofs                                       620     622      +2
applet_install_loc                                   155     156      +1
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(add/remove: 2/0 grow/shrink: 5/0 up/down: 206/0)             Total: 206 bytes

Signed-off-by: Alexander Shishkin <virtuoso@slind.org>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2009-06-18 08:20:02 +02:00
parent 7eaf58d958
commit 14f6f0ad4a
5 changed files with 57 additions and 1 deletions
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41
coreutils/fsync.c Normal file
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@ -0,0 +1,41 @@
/* vi: set sw=4 ts=4: */
/*
* Mini fsync implementation for busybox
*
* Copyright (C) 2008 Nokia Corporation. All rights reserved.
*
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*/
#include "libbb.h"
/* This is a NOFORK applet. Be very careful! */
int fsync_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int fsync_main(int argc UNUSED_PARAM, char **argv)
{
int status;
int opts;
opts = getopt32(argv, "d"); /* fdatasync */
argv += optind;
if (!*argv) {
bb_show_usage();
}
status = EXIT_SUCCESS;
do {
int fd = open3_or_warn(*argv, O_NOATIME | O_NOCTTY | O_RDONLY, 0);
if (fd == -1) {
status = EXIT_FAILURE;
continue;
}
if ((opts ? fdatasync(fd) : fsync(fd))) {
//status = EXIT_FAILURE; - do we want this?
bb_simple_perror_msg(*argv);
}
close(fd);
} while (*++argv);
return status;
}