| /* Copyright (C) 1991-2014 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <errno.h> |
| #include <unistd.h> |
| #include <hurd.h> |
| #include <hurd/fd.h> |
| |
| /* Make all changes done to FD's file data actually appear on disk. */ |
| int |
| fdatasync (int fd) |
| { |
| error_t err = HURD_DPORT_USE (fd, __file_sync (port, 1, 1)); |
| if (err) |
| { |
| if (err == EOPNOTSUPP) |
| /* If the file descriptor does not support sync, return EINVAL |
| as POSIX specifies. */ |
| err = EINVAL; |
| return __hurd_dfail (fd, err); |
| } |
| return 0; |
| } |
