sysctl.c

来自「Newlib 嵌入式 C库 标准实现代码」· C语言 代码 · 共 43 行

/* Read or write system information.  Linux version.
   Copyright (C) 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library 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
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, write to the Free
   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   02111-1307 USA.  */

#include <errno.h>
#include <sys/sysctl.h>

#include <machine/syscall.h>

static _syscall1(int,_sysctl,struct __sysctl_args *,args)

int
__sysctl (int *name, int nlen, void *oldval, size_t *oldlenp,
	  void *newval, size_t newlen)
{
  struct __sysctl_args args =
  {
    name: name,
    nlen: nlen,
    oldval: oldval,
    oldlenp: oldlenp,
    newval: newval,
    newlen: newlen
  };

  return _sysctl(&args);
}