glibc/sysdeps/generic/mlock.c

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/* mlock -- guarantee pages are resident in memory. Stub version.
Copyright (C) 2001 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <sys/types.h>
#include <sys/mman.h>
#include <errno.h>
/* Guarantee all whole pages mapped by the range [ADDR,ADDR+LEN) to
be memory resident. */
int
mlock (const void *addr, size_t len)
{
__set_errno (ENOSYS);
return -1;
}
stub_warning (mlock)
#include <stub-tag.h>