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Diffstat (limited to 'modutils/rmmod.c')
-rw-r--r-- | modutils/rmmod.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/modutils/rmmod.c b/modutils/rmmod.c new file mode 100644 index 0000000..7d3eac5 --- /dev/null +++ b/modutils/rmmod.c @@ -0,0 +1,73 @@ +/* + * Mini rmmod implementation for busybox + * + * Copyright (C) 1999 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> +#include <sys/syscall.h> + + + +/* And the system call of the day is... */ +extern 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_ 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); +} |