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688903eb | 1 | /* Copyright (C) 1991-2018 Free Software Foundation, Inc. |
478b92f0 | 2 | This file is part of the GNU C Library. |
0e3426bb | 3 | |
478b92f0 | 4 | The GNU C Library is free software; you can redistribute it and/or |
41bdb6e2 AJ |
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. | |
0e3426bb | 8 | |
478b92f0 UD |
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 | |
41bdb6e2 | 12 | Lesser General Public License for more details. |
0e3426bb | 13 | |
41bdb6e2 | 14 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 PE |
15 | License along with the GNU C Library; if not, see |
16 | <http://www.gnu.org/licenses/>. */ | |
0e3426bb RM |
17 | |
18 | #include <errno.h> | |
19 | #include <unistd.h> | |
20 | #include <hurd.h> | |
21 | #include <hurd/fd.h> | |
22 | ||
23 | /* Make all changes done to FD's file data actually appear on disk. */ | |
24 | int | |
25 | fdatasync (int fd) | |
26 | { | |
27 | error_t err = HURD_DPORT_USE (fd, __file_sync (port, 1, 1)); | |
28 | if (err) | |
94ce799f PT |
29 | { |
30 | if (err == EOPNOTSUPP) | |
31 | /* If the file descriptor does not support sync, return EINVAL | |
32 | as POSIX specifies. */ | |
33 | err = EINVAL; | |
34 | return __hurd_dfail (fd, err); | |
35 | } | |
0e3426bb RM |
36 | return 0; |
37 | } |