sysdeps/unix/sysv/linux/sysctl.c

   1 /* sysctl function stub.
   2    Copyright (C) 1996-2021 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #include <errno.h>
  20 #include <stddef.h>
  21 #include <shlib-compat.h>
  22
  23 #if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_32)
  24 int attribute_compat_text_section
  25 ___sysctl (int *name, int nlen, void *oldval, size_t *oldlenp,
  26            void *newval, size_t newlen)
  27 {
  28   __set_errno (ENOSYS);
  29   return -1;
  30 }
  31 compat_symbol (libc, ___sysctl, sysctl, GLIBC_2_0);
  32
  33 # if SHLIB_COMPAT (libc, GLIBC_2_2, GLIBC_2_17)
  34 strong_alias (___sysctl, ___sysctl2)
  35 compat_symbol (libc, ___sysctl2, __sysctl, GLIBC_2_2);
  36 # endif
  37 #endif