575495fe55b3818a4aba8e5af3c41872aab91e74
[lttng-tools.git] / src / common / compat / fcntl.h
1 /*
2 * Copyright (C) 2011 - David Goulet <dgoulet@efficios.com>
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License as published by the Free
6 * Software Foundation; only version 2 of the License.
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 with
14 * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
15 * Place - Suite 330, Boston, MA 02111-1307, USA.
16 */
17
18 #ifndef _COMPAT_FCNTL_H
19 #define _COMPAT_FCNTL_H
20
21 #include <fcntl.h>
22 #include <sys/types.h>
23
24 #ifdef __linux__
25
26 extern int compat_sync_file_range(int fd, off64_t offset, off64_t nbytes,
27 unsigned int flags);
28 #define lttng_sync_file_range(fd, offset, nbytes, flags) \
29 compat_sync_file_range(fd, offset, nbytes, flags)
30
31 #elif __FreeBSD__
32
33 typedef long int off64_t;
34 typedef off64_t loff_t;
35
36 #include <sys/errno.h>
37
38 /*
39 * Possible flags under Linux. Simply nullify them and avoid wrapper.
40 */
41 #define SYNC_FILE_RANGE_WAIT_AFTER 0
42 #define SYNC_FILE_RANGE_WAIT_BEFORE 0
43 #define SYNC_FILE_RANGE_WRITE 0
44
45 /*
46 * Possible flags under Linux. Simply nullify them and avoid wrappers.
47 */
48 #define SPLICE_F_MOVE 0
49 #define SPLICE_F_NONBLOCK 0
50 #define SPLICE_F_MORE 0
51 #define SPLICE_F_GIFT 0
52
53 #define POSIX_FADV_DONTNEED 0
54
55 static inline int lttng_sync_file_range(int fd, off64_t offset,
56 off64_t nbytes, unsigned int flags)
57 {
58 return -ENOSYS;
59 }
60
61 static inline ssize_t splice(int fd_in, loff_t *off_in, int fd_out, loff_t *off_out,
62 size_t len, unsigned int flags)
63 {
64 return -ENOSYS;
65 }
66
67 static inline int posix_fadvise(int fd, off_t offset, off_t len, int advice)
68 {
69 return -ENOSYS;
70 }
71
72 #else
73 #error "Please add support for your OS into compat/fcntl.h."
74 #endif /* __linux__ , __FreeBSD__ */
75
76 #endif /* _COMPAT_FCNTL_H */
This page took 0.042509 seconds and 3 git commands to generate.