1 /* Advise system about intentions for a memory region. Stub version.
2 Copyright (C) 1994-2022 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 /* Advise the system about particular usage patterns the program follows
24 for the region starting at ADDR and extending LEN bytes. */
25
26 int
__madvise(void * addr,size_t len,int advice)27 __madvise (void *addr, size_t len, int advice)
28 {
29 __set_errno (ENOSYS);
30 return -1;
31 }
32 libc_hidden_def (__madvise)
33 weak_alias (__madvise, madvise)
34
35 stub_warning (madvise)
36