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
msync(void * addr,size_t len,int flags)27 msync (void *addr, size_t len, int flags)
28 {
29 __set_errno (ENOSYS);
30 return -1;
31 }
32
33 stub_warning (msync)
34