Fix: add missing unistd.h for fdatasync in compat-fcntl.c
[lttng-tools.git] / src / common / compat / compat-fcntl.c
1 /*
2 * Copyright (C) 2011 - David Goulet <dgoulet@efficios.com>
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License, version 2 only,
6 * as published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it will be useful, but WITHOUT
9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
11 * more details.
12 *
13 * You should have received a copy of the GNU General Public License along
14 * with this program; if not, write to the Free Software Foundation, Inc.,
15 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
16 */
17
18 #define _GNU_SOURCE
19 #include <common/compat/fcntl.h>
20 #include <unistd.h>
21
22 #ifdef __linux__
23
24 int compat_sync_file_range(int fd, off64_t offset, off64_t nbytes,
25 unsigned int flags)
26 {
27 #ifdef HAVE_SYNC_FILE_RANGE
28 return sync_file_range(fd, offset, nbytes, flags);
29 #else
30 return fdatasync(fd);
31 #endif
32 }
33
34 #endif /* __linux__ */
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