1 /* Copyright (C) 1992-2022 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 <errno.h>
19 #include <sys/file.h>
20
21 /* Apply or remove an advisory lock, according to OPERATION,
22 on the file FD refers to. */
23 int
__flock(int fd,int operation)24 __flock (int fd, int operation)
25 {
26 __set_errno (ENOSYS);
27 return -1;
28 }
29
30 weak_alias (__flock, flock)
31
32 stub_warning (flock)
33