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authorErik Andersen <andersen@codepoet.org>1999-12-16 23:04:20 +0000
committerErik Andersen <andersen@codepoet.org>1999-12-16 23:04:20 +0000
commit3d7e3414da38fce26a7f53f7ea36ddf781fa0233 (patch)
tree835a088b51c9493c92cef3edc5cc0758b8de37bf /modutils/rmmod.c
parent0aa611816772021e706f0996aa2eed56d26ad696 (diff)
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Wrote rmmod for busybox.
-Erik
Diffstat (limited to 'modutils/rmmod.c')
-rw-r--r--modutils/rmmod.c73
1 files changed, 73 insertions, 0 deletions
diff --git a/modutils/rmmod.c b/modutils/rmmod.c
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1/*
2 * Mini rmmod implementation for busybox
3 *
4 * Copyright (C) 1999 by Lineo, inc.
5 * Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 *
21 */
22
23#include "internal.h"
24#include <stdio.h>
25#include <errno.h>
26#include <unistd.h>
27#include <sys/syscall.h>
28
29
30
31/* And the system call of the day is... */
32extern int delete_module (const char * __name);
33
34
35static const char rmmod_usage[] =
36 "rmmod [OPTION]... [MODULE]...\n\n"
37 "Unloads the specified kernel modules from the kernel.\n\n"
38 "Options:\n"
39 "\t-a\tTry to remove all unused kernel modules.\n";
40
41
42
43extern int rmmod_main(int argc, char **argv)
44{
45 if (argc<=1) {
46 usage(rmmod_usage);
47 }
48
49 /* Parse any options */
50 while (--argc > 0 && **(++argv) == '-') {
51 while (*(++(*argv))) {
52 switch (**argv) {
53 case 'a':
54 /* Unload _all_ modules via NULL delete_module() call */
55 if (delete_module(NULL)) {
56 perror("rmmod");
57 exit( FALSE);
58 }
59 exit( TRUE);
60 default:
61 usage(rmmod_usage);
62 }
63 }
64 }
65
66 while (argc-- > 0 ) {
67 if (delete_module(*argv) < 0) {
68 perror(*argv);
69 }
70 argv++;
71 }
72 exit( TRUE);
73}