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6d7e8eda | 1 | /* Copyright (C) 1991-2023 Free Software Foundation, Inc. |
ebbad4cc | 2 | This file is part of the GNU C Library. |
28f540f4 | 3 | |
ebbad4cc | 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. | |
28f540f4 | 8 | |
ebbad4cc 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. |
28f540f4 | 13 | |
41bdb6e2 | 14 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 | 15 | License along with the GNU C Library; if not, see |
5a82c748 | 16 | <https://www.gnu.org/licenses/>. */ |
28f540f4 | 17 | |
28f540f4 RM |
18 | #include <errno.h> |
19 | #include <unistd.h> | |
20 | #include <hurd.h> | |
21 | #include <hurd/fd.h> | |
f5123211 | 22 | #include <sysdep-cancel.h> |
28f540f4 RM |
23 | |
24 | /* Make all changes done to FD actually appear on disk. */ | |
25 | int | |
bd2260a2 | 26 | fsync (int fd) |
28f540f4 | 27 | { |
f5123211 ST |
28 | error_t err; |
29 | int cancel_oldtype; | |
30 | ||
31 | cancel_oldtype = LIBC_CANCEL_ASYNC(); | |
32 | err = HURD_DPORT_USE_CANCEL (fd, __file_sync (port, 1, 0)); | |
33 | LIBC_CANCEL_RESET (cancel_oldtype); | |
28f540f4 | 34 | if (err) |
94ce799f PT |
35 | { |
36 | if (err == EOPNOTSUPP) | |
37 | /* If the file descriptor does not support sync, return EINVAL | |
38 | as POSIX specifies. */ | |
39 | err = EINVAL; | |
40 | return __hurd_dfail (fd, err); | |
41 | } | |
28f540f4 RM |
42 | return 0; |
43 | } | |
412b05fe | 44 | libc_hidden_def (fsync) |