Contents of /tags/mkinitrd-6_1_1/busybox/modutils/rmmod.c
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Mon May 4 16:31:54 2009 UTC (15 years, 4 months ago) by niro
File MIME type: text/plain
File size: 1158 byte(s)
Mon May 4 16:31:54 2009 UTC (15 years, 4 months ago) by niro
File MIME type: text/plain
File size: 1158 byte(s)
tagged 'mkinitrd-6_1_1'
1 | /* vi: set sw=4 ts=4: */ |
2 | /* |
3 | * Mini rmmod implementation for busybox |
4 | * |
5 | * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org> |
6 | * Copyright (C) 2008 Timo Teras <timo.teras@iki.fi> |
7 | * |
8 | * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. |
9 | */ |
10 | |
11 | #include "libbb.h" |
12 | #include "modutils.h" |
13 | |
14 | int rmmod_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; |
15 | int rmmod_main(int argc UNUSED_PARAM, char **argv) |
16 | { |
17 | int n; |
18 | unsigned int flags = O_NONBLOCK|O_EXCL; |
19 | |
20 | /* Parse command line. */ |
21 | n = getopt32(argv, "wfas"); // -s ignored |
22 | argv += optind; |
23 | |
24 | if (n & 1) // --wait |
25 | flags &= ~O_NONBLOCK; |
26 | if (n & 2) // --force |
27 | flags |= O_TRUNC; |
28 | if (n & 4) { |
29 | /* Unload _all_ unused modules via NULL delete_module() call */ |
30 | if (bb_delete_module(NULL, flags) != 0 && errno != EFAULT) |
31 | bb_perror_msg_and_die("rmmod"); |
32 | return EXIT_SUCCESS; |
33 | } |
34 | |
35 | if (!*argv) |
36 | bb_show_usage(); |
37 | |
38 | while (*argv) { |
39 | char modname[MODULE_NAME_LEN]; |
40 | filename2modname(bb_basename(*argv++), modname); |
41 | if (bb_delete_module(modname, flags)) |
42 | bb_error_msg_and_die("cannot unload '%s': %s", |
43 | modname, moderror(errno)); |
44 | } |
45 | |
46 | return EXIT_SUCCESS; |
47 | } |