summary refs log tree commit diff
path: root/sysdeps/unix/sysv/linux/sysctl.c
blob: 52f21e3869869e271af1e60e28c63228bba1b9fe (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
/* Read or write system information.  Linux version.
   Copyright (C) 1996-2017 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, see
   <http://www.gnu.org/licenses/>.  */

#include <errno.h>
#include <string.h>	/* For the real memset prototype.  */
#include <sys/sysctl.h>

#include <sysdep.h>
#include <sys/syscall.h>

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 INLINE_SYSCALL (_sysctl, 1, &args);
}
libc_hidden_def (__sysctl)
weak_alias (__sysctl, sysctl)