1 /* vi: set sw=4 ts=4: */
3 * some system calls possibly missing from libc
5 * Copyright (C) 1999,2000 by Lineo, inc. and Erik Andersen
6 * Copyright (C) 1999,2000,2001 by Erik Andersen <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
30 #include <sys/syscall.h>
31 #if __GNU_LIBRARY__ < 5
32 /* This is needed for libc5 */
33 #include <asm/unistd.h>
38 int sysfs( int option, unsigned int fs_index, char * buf)
40 return(syscall(__NR_sysfs, option, fs_index, buf));
43 _syscall3(int, sysfs, int, option, unsigned int, fs_index, char *, buf);
46 #ifndef __NR_pivot_root
47 #warning This kernel does not support the pivot_root syscall
48 #warning -> The pivot_root system call is being stubbed out...
49 int pivot_root(const char * new_root,const char * put_old)
51 /* BusyBox was compiled against a kernel that did not support
52 * the pivot_root system call. To make this application work,
53 * you will need to recompile with a kernel supporting the
54 * pivot_root system call.
56 fprintf(stderr, "\n\nTo make this application work, you will need to recompile\n");
57 fprintf(stderr, "with a kernel supporting the pivot_root system call. -Erik\n\n");
62 # if defined(__ia64__)
63 int pivot_root(const char * new_root,const char * put_old)
65 return(syscall(__NR_pivot_root, new_root, put_old));
68 _syscall2(int,pivot_root,const char *,new_root,const char *,put_old);
75 #if __GNU_LIBRARY__ < 5 || ((__GLIBC__ <= 2) && (__GLIBC_MINOR__ < 1))
76 /* These syscalls are not included as part of libc5 */
77 _syscall2(int, bdflush, int, func, int, data);
80 # define __NR_klogctl __NR_syslog
81 _syscall3(int, klogctl, int, type, char *, b, int, len);
85 # warning This kernel does not support the umount2 syscall
86 # warning -> The umount2 system call is being stubbed out...
87 int umount2(const char * special_file, int flags)
89 /* BusyBox was compiled against a kernel that did not support
90 * the umount2 system call. To make this application work,
91 * you will need to recompile with a kernel supporting the
92 * umount2 system call.
94 fprintf(stderr, "\n\nTo make this application work, you will need to recompile\n");
95 fprintf(stderr, "with a kernel supporting the umount2 system call. -Erik\n\n");
100 _syscall2(int, umount2, const char *, special_file, int, flags);
104 #endif /* __GNU_LIBRARY__ < 5 */
110 c-file-style: "linux"