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e76c3b08e1
shadowed variables. Move (almost) all syscalls to libbb/syscalls.c, so I can handle them sanely and all at once. -Erik
125 lines
3.9 KiB
C
125 lines
3.9 KiB
C
/* vi: set sw=4 ts=4: */
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/*
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* Utility routines.
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*
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* Copyright (C) tons of folks. Tracking down who wrote what
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* isn't something I'm going to worry about... If you wrote something
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* here, please feel free to acknowledge your work.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Based in part on code from sash, Copyright (c) 1999 by David I. Bell
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* Permission has been granted to redistribute this code under the GPL.
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*
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*/
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#include <stdio.h>
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#include <errno.h>
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#include <sys/syscall.h>
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#include <linux/unistd.h>
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#include "libbb.h"
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_syscall3(int, sysfs, int, option, unsigned int, fs_index, char *, buf);
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#ifndef __NR_pivot_root
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#warning This kernel does not support the pivot_root syscall
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#warning -> The pivot_root system call is being stubbed out...
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int pivot_root(const char * new_root,const char * put_old)
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{
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/* BusyBox was compiled against a kernel that did not support
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* the pivot_root system call. To make this application work,
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* you will need to recompile with a kernel supporting the
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* pivot_root system call.
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*/
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fprintf(stderr, "\n\nTo make this application work, you will need to recompile\n");
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fprintf(stderr, "with a kernel supporting the pivot_root system call. -Erik\n\n");
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errno=ENOSYS;
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return -1;
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}
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#else
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_syscall2(int,pivot_root,const char *,new_root,const char *,put_old)
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#endif
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#if __GNU_LIBRARY__ < 5
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/* These syscalls are not included as part of libc5 */
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_syscall2(int, bdflush, int, func, int, data);
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_syscall1(int, delete_module, const char *, name)
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#ifndef __NR_query_module
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#warning This kernel does not support the query_module syscall
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#warning -> The query_module system call is being stubbed out...
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int query_module(const char *name, int which, void *buf, size_t bufsize, size_t *ret)
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{
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/* BusyBox was compiled against a kernel that did not support
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* the query_module system call. To make this application work,
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* you will need to recompile with a kernel supporting the
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* query_module system call.
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*/
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fprintf(stderr, "\n\nTo make this application work, you will need to recompile\n");
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fprintf(stderr, "with a kernel supporting the query_module system call. -Erik\n\n");
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errno=ENOSYS;
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return -1;
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}
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#else
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_syscall5(int, query_module, const char *, name, int, which,
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void *, buf, size_t, bufsize, size_t*, ret);
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#endif
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#ifndef __alpha__
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# define __NR_klogctl __NR_syslog
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_syscall3(int, klogctl, int, type, char *, b, int, len);
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#endif
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#ifndef __NR_umount2
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# warning This kernel does not support the umount2 syscall
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# warning -> The umount2 system call is being stubbed out...
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int umount2(const char * special_file, int flags)
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{
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/* BusyBox was compiled against a kernel that did not support
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* the umount2 system call. To make this application work,
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* you will need to recompile with a kernel supporting the
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* umount2 system call.
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*/
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fprintf(stderr, "\n\nTo make this application work, you will need to recompile\n");
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fprintf(stderr, "with a kernel supporting the umount2 system call. -Erik\n\n");
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errno=ENOSYS;
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return -1;
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}
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# else
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_syscall2(int, umount2, const char *, special_file, int, flags);
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#endif
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#endif /* __GNU_LIBRARY__ < 5 */
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#if 0
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_syscall1(int, sysinfo, struct sysinfo *, info);
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#endif
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/* END CODE */
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/*
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Local Variables:
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c-file-style: "linux"
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c-basic-offset: 4
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tab-width: 4
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End:
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*/
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