1 /* vi: set sw=4 ts=4: */
3 * some system calls possibly missing from libc
5 * Copyright (C) 1999,2000,2001 by Lineo, inc.
6 * Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
27 /* Kernel headers before 2.1.mumble need this on the Alpha to get
32 #include <sys/syscall.h>
33 #include <asm/unistd.h>
37 int sysfs( int option, unsigned int fs_index, char * buf)
39 return(syscall(__NR_sysfs, option, fs_index, buf));
42 _syscall3(int, sysfs, int, option, unsigned int, fs_index, char *, buf);
45 #ifndef __NR_pivot_root
46 #warning This kernel does not support the pivot_root syscall
47 #warning -> The pivot_root system call is being stubbed out...
48 int pivot_root(const char * new_root,const char * put_old)
50 /* BusyBox was compiled against a kernel that did not support
51 * the pivot_root system call. To make this application work,
52 * you will need to recompile with a kernel supporting the
53 * pivot_root system call.
55 fprintf(stderr, "\n\nTo make this application work, you will need to recompile\n");
56 fprintf(stderr, "with a kernel supporting the pivot_root system call. -Erik\n\n");
61 # if defined(__ia64__)
62 int pivot_root(const char * new_root,const char * put_old)
64 return(syscall(__NR_pivot_root, new_root, put_old));
67 _syscall2(int,pivot_root,const char *,new_root,const char *,put_old);
74 #if __GNU_LIBRARY__ < 5 || ((__GLIBC__ <= 2) && (__GLIBC_MINOR__ < 1))
75 /* These syscalls are not included as part of libc5 */
76 _syscall2(int, bdflush, int, func, int, data);
79 # define __NR_klogctl __NR_syslog
80 _syscall3(int, klogctl, int, type, char *, b, int, len);
84 # warning This kernel does not support the umount2 syscall
85 # warning -> The umount2 system call is being stubbed out...
86 int umount2(const char * special_file, int flags)
88 /* BusyBox was compiled against a kernel that did not support
89 * the umount2 system call. To make this application work,
90 * you will need to recompile with a kernel supporting the
91 * umount2 system call.
93 fprintf(stderr, "\n\nTo make this application work, you will need to recompile\n");
94 fprintf(stderr, "with a kernel supporting the umount2 system call. -Erik\n\n");
99 _syscall2(int, umount2, const char *, special_file, int, flags);
103 #endif /* __GNU_LIBRARY__ < 5 */
109 c-file-style: "linux"