| /* vi: set sw=4 ts=4: */ |
| /* |
| * Utility routines. |
| * |
| * Copyright (C) tons of folks. Tracking down who wrote what |
| * isn't something I'm going to worry about... If you wrote something |
| * here, please feel free to acknowledge your work. |
| * |
| * 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 |
| * |
| * Based in part on code from sash, Copyright (c) 1999 by David I. Bell |
| * Permission has been granted to redistribute this code under the GPL. |
| * |
| */ |
| |
| #include <stdio.h> |
| #include <errno.h> |
| #include <sys/syscall.h> |
| #include <linux/unistd.h> |
| |
| #include "libbb.h" |
| |
| _syscall3(int, sysfs, int, option, unsigned int, fs_index, char *, buf); |
| |
| #ifndef __NR_pivot_root |
| #warning This kernel does not support the pivot_root syscall |
| #warning -> The pivot_root system call is being stubbed out... |
| int pivot_root(const char * new_root,const char * put_old) |
| { |
| /* BusyBox was compiled against a kernel that did not support |
| * the pivot_root system call. To make this application work, |
| * you will need to recompile with a kernel supporting the |
| * pivot_root system call. |
| */ |
| fprintf(stderr, "\n\nTo make this application work, you will need to recompile\n"); |
| fprintf(stderr, "with a kernel supporting the pivot_root system call. -Erik\n\n"); |
| errno=ENOSYS; |
| return -1; |
| } |
| #else |
| _syscall2(int,pivot_root,const char *,new_root,const char *,put_old) |
| #endif |
| |
| |
| |
| |
| #if __GNU_LIBRARY__ < 5 |
| /* These syscalls are not included as part of libc5 */ |
| _syscall2(int, bdflush, int, func, int, data); |
| _syscall1(int, delete_module, const char *, name) |
| |
| #ifndef __NR_query_module |
| #warning This kernel does not support the query_module syscall |
| #warning -> The query_module system call is being stubbed out... |
| int query_module(const char *name, int which, void *buf, size_t bufsize, size_t *ret) |
| { |
| /* BusyBox was compiled against a kernel that did not support |
| * the query_module system call. To make this application work, |
| * you will need to recompile with a kernel supporting the |
| * query_module system call. |
| */ |
| fprintf(stderr, "\n\nTo make this application work, you will need to recompile\n"); |
| fprintf(stderr, "with a kernel supporting the query_module system call. -Erik\n\n"); |
| errno=ENOSYS; |
| return -1; |
| } |
| #else |
| _syscall5(int, query_module, const char *, name, int, which, |
| void *, buf, size_t, bufsize, size_t*, ret); |
| #endif |
| |
| #ifndef __alpha__ |
| # define __NR_klogctl __NR_syslog |
| _syscall3(int, klogctl, int, type, char *, b, int, len); |
| #endif |
| |
| #ifndef __NR_umount2 |
| # warning This kernel does not support the umount2 syscall |
| # warning -> The umount2 system call is being stubbed out... |
| int umount2(const char * special_file, int flags) |
| { |
| /* BusyBox was compiled against a kernel that did not support |
| * the umount2 system call. To make this application work, |
| * you will need to recompile with a kernel supporting the |
| * umount2 system call. |
| */ |
| fprintf(stderr, "\n\nTo make this application work, you will need to recompile\n"); |
| fprintf(stderr, "with a kernel supporting the umount2 system call. -Erik\n\n"); |
| errno=ENOSYS; |
| return -1; |
| } |
| # else |
| _syscall2(int, umount2, const char *, special_file, int, flags); |
| #endif |
| |
| |
| #endif /* __GNU_LIBRARY__ < 5 */ |
| |
| |
| #if 0 |
| _syscall1(int, sysinfo, struct sysinfo *, info); |
| #endif |
| |
| |
| /* END CODE */ |
| /* |
| Local Variables: |
| c-file-style: "linux" |
| c-basic-offset: 4 |
| tab-width: 4 |
| End: |
| */ |