| /* vi: set sw=4 ts=4: */ |
| /* |
| * Mini rmmod implementation for busybox |
| * |
| * Copyright (C) 1999,2000 by Lineo, inc. |
| * Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| * |
| */ |
| |
| #include "internal.h" |
| #include <stdio.h> |
| #include <errno.h> |
| #include <unistd.h> |
| #define __LIBRARY__ |
| #include <asm/unistd.h> |
| /* #include <sys/syscall.h> */ |
| |
| |
| |
| /* And the system call of the day is... */ |
| _syscall1(int, delete_module, const char *, name) |
| |
| |
| static const char rmmod_usage[] = |
| "rmmod [OPTION]... [MODULE]...\n\n" |
| "Unloads the specified kernel modules from the kernel.\n\n" |
| |
| "Options:\n" "\t-a\tTry to remove all unused kernel modules.\n"; |
| |
| |
| |
| extern int rmmod_main(int argc, char **argv) |
| { |
| if (argc <= 1) { |
| usage(rmmod_usage); |
| } |
| |
| /* Parse any options */ |
| while (--argc > 0 && **(++argv) == '-') { |
| while (*(++(*argv))) { |
| switch (**argv) { |
| case 'a': |
| /* Unload _all_ unused modules via NULL delete_module() call */ |
| if (delete_module(NULL)) { |
| perror("rmmod"); |
| exit(FALSE); |
| } |
| exit(TRUE); |
| default: |
| usage(rmmod_usage); |
| } |
| } |
| } |
| |
| while (argc-- > 0) { |
| if (delete_module(*argv) < 0) { |
| perror(*argv); |
| } |
| argv++; |
| } |
| exit(TRUE); |
| } |