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b6ab06ce | 1 | /* Synchronize I/O in given file descriptor. Stub version. |
04277e02 | 2 | Copyright (C) 2001-2019 Free Software Foundation, Inc. |
478b92f0 UD |
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 | |
41bdb6e2 AJ |
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. | |
478b92f0 UD |
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. |
478b92f0 | 14 | |
41bdb6e2 | 15 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 | 16 | License along with the GNU C Library; if not, see |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
28f540f4 | 18 | |
28f540f4 | 19 | |
b6ab06ce UD |
20 | /* We use an UGLY hack to prevent gcc from finding us cheating. The |
21 | implementation of aio_fsync and aio_fsync64 are identical and so | |
22 | we want to avoid code duplication by using aliases. But gcc sees | |
23 | the different parameter lists and prints a warning. We define here | |
24 | a function so that aio_fsync64 has no prototype. */ | |
25 | #define aio_fsync64 XXX | |
26 | #include <aio.h> | |
27 | /* And undo the hack. */ | |
28 | #undef aio_fsync64 | |
29 | ||
30 | #include <errno.h> | |
31 | #include <fcntl.h> | |
28f540f4 | 32 | |
b6ab06ce UD |
33 | int |
34 | aio_fsync (int op, struct aiocb *aiocbp) | |
28f540f4 | 35 | { |
b6ab06ce UD |
36 | if (op != O_SYNC && op != O_DSYNC) |
37 | { | |
38 | __set_errno (EINVAL); | |
39 | return -1; | |
40 | } | |
28f540f4 | 41 | |
c4029823 | 42 | __set_errno (ENOSYS); |
b6ab06ce | 43 | return -1; |
28f540f4 RM |
44 | } |
45 | ||
b6ab06ce UD |
46 | weak_alias (aio_fsync, aio_fsync64) |
47 | ||
48 | stub_warning (aio_fsync) | |
49 | stub_warning (aio_fsync64) |