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[thirdparty/glibc.git] / misc / mlock.c
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d81b986b 1/* mlock -- guarantee pages are resident in memory. Stub version.
688903eb 2 Copyright (C) 2001-2018 Free Software Foundation, Inc.
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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
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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.
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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
41bdb6e2 13 Lesser General Public License for more details.
d81b986b 14
41bdb6e2 15 You should have received a copy of the GNU Lesser General Public
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16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
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18
19#include <sys/types.h>
20#include <sys/mman.h>
21#include <errno.h>
22
23/* Guarantee all whole pages mapped by the range [ADDR,ADDR+LEN) to
24 be memory resident. */
25
26int
27mlock (const void *addr, size_t len)
28{
29 __set_errno (ENOSYS);
30 return -1;
31}
32
33stub_warning (mlock)