misc/munlock.c

   1 /* munlock -- undo the effects of prior mlock calls.  Stub version.
   2    Copyright (C) 2001-2020 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 <sys/types.h>
  20 #include <sys/mman.h>
  21 #include <errno.h>
  22
  23 /* Undo the effects on these whole pages of any prior mlock calls.  */
  24
  25 int
  26 munlock (const void *addr, size_t len)
  27 {
  28   __set_errno (ENOSYS);
  29   return -1;
  30 }
  31
  32 stub_warning (munlock)