1 | /* Copyright (C) 1994-2022 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. |
3 | |
4 | The GNU C Library is free software; you can redistribute it and/or |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either |
7 | version 2.1 of the License, or (at your option) any later version. |
8 | |
9 | The GNU C Library is distributed in the hope that it will be useful, |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 | Lesser General Public License for more details. |
13 | |
14 | You should have received a copy of the GNU Lesser General Public |
15 | License along with the GNU C Library; if not, see |
16 | <https://www.gnu.org/licenses/>. */ |
17 | |
18 | #include <sys/types.h> |
19 | #include <sys/mman.h> |
20 | #include <errno.h> |
21 | |
22 | /* Synchronize the region starting at ADDR and extending LEN bytes with the |
23 | file it maps. Filesystem operations on a file being mapped are |
24 | unpredictable before this is done. */ |
25 | |
26 | int |
27 | msync (void *addr, size_t len, int flags) |
28 | { |
29 | __set_errno (ENOSYS); |
30 | return -1; |
31 | } |
32 | |
33 | stub_warning (msync) |
34 | |