90 lines
2.6 KiB
C
90 lines
2.6 KiB
C
/* vi: set sw=4 ts=4: */
|
|
/*
|
|
* some system calls possibly missing from libc
|
|
*
|
|
* Copyright (C) 1999-2003 by Erik Andersen <andersen@codepoet.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 <stdio.h>
|
|
#include <errno.h>
|
|
#include <unistd.h>
|
|
/* Kernel headers before 2.1.mumble need this on the Alpha to get
|
|
_syscall* defined. */
|
|
#define __LIBRARY__
|
|
#include <sys/syscall.h>
|
|
#include "libbb.h"
|
|
|
|
|
|
/* These syscalls are not included in very old glibc versions */
|
|
#if ((__GLIBC__ <= 2) && (__GLIBC_MINOR__ < 1))
|
|
int delete_module(const char *name)
|
|
{
|
|
return(syscall(__NR_delete_module, name));
|
|
}
|
|
int get_kernel_syms(__ptr_t ks)
|
|
{
|
|
return(syscall(__NR_get_kernel_syms, ks));
|
|
}
|
|
|
|
/* This may have 5 arguments (for old 2.0 kernels) or 2 arguments
|
|
* (for 2.2 and 2.4 kernels). Use the greatest common denominator,
|
|
* and let the kernel cope with whatever it gets. Its good at that. */
|
|
int init_module(void *first, void *second, void *third, void *fourth, void *fifth)
|
|
{
|
|
return(syscall(__NR_init_module, first, second, third, fourth, fifth));
|
|
}
|
|
|
|
int query_module(const char *name, int which, void *buf, size_t bufsize, size_t *ret)
|
|
{
|
|
#ifndef __NR_query_module
|
|
#warning This kernel does not support the query_module syscall
|
|
#warning -> The query_module system call is being stubbed out...
|
|
bb_error_msg("\n\nTo make this application work, you will need to recompile\n"
|
|
"BusyBox with a kernel supporting the query_module system call.\n");
|
|
errno=ENOSYS;
|
|
return -1;
|
|
#else
|
|
return(syscall(__NR_query_module, name, which, buf, bufsize, ret));
|
|
#endif
|
|
}
|
|
|
|
/* Jump through hoops to fixup error return codes */
|
|
unsigned long create_module(const char *name, size_t size)
|
|
{
|
|
long ret = syscall(__NR_create_module, name, size);
|
|
|
|
if (ret == -1 && errno > 125) {
|
|
ret = -errno;
|
|
errno = 0;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
/* END CODE */
|
|
/*
|
|
Local Variables:
|
|
c-file-style: "linux"
|
|
c-basic-offset: 4
|
|
tab-width: 4
|
|
End:
|
|
*/
|
|
|