diff options
author | Denys Vlasenko <vda.linux@googlemail.com> | 2009-06-18 10:20:02 +0400 |
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committer | Denys Vlasenko <vda.linux@googlemail.com> | 2009-06-18 10:20:02 +0400 |
commit | 14f6f0ad4a9d07f927b96b08c20d7ea546318517 (patch) | |
tree | b15fa67c342657d8628814ade790fc23665797a4 /coreutils/fsync.c | |
parent | 7eaf58d9586404b4d664f23f3c9f335f053db6b0 (diff) |
fsync: new applet by Pekka Pessi (Pekka.Pessi AT nokia.com)
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
------------------------------------------------------------------------------
(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>
Diffstat (limited to 'coreutils/fsync.c')
-rw-r--r-- | coreutils/fsync.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/coreutils/fsync.c b/coreutils/fsync.c new file mode 100644 index 000000000..f00803c5b --- /dev/null +++ b/coreutils/fsync.c @@ -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; +} |