2 * Copyright (C) 2011 - David Goulet <dgoulet@efficios.com>
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.
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
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.
18 #ifndef _COMPAT_FCNTL_H
19 #define _COMPAT_FCNTL_H
23 #include <sys/types.h>
25 #if (defined(__FreeBSD__) || defined(__CYGWIN__))
26 typedef long long off64_t
;
30 typedef off64_t loff_t
;
34 extern int compat_sync_file_range(int fd
, off64_t offset
, off64_t nbytes
,
36 #define lttng_sync_file_range(fd, offset, nbytes, flags) \
37 compat_sync_file_range(fd, offset, nbytes, flags)
39 #endif /* __linux__ */
41 #if (defined(__FreeBSD__) || defined(__CYGWIN__))
43 * Possible flags under Linux. Simply nullify them and avoid wrapper.
45 #define SYNC_FILE_RANGE_WAIT_AFTER 0
46 #define SYNC_FILE_RANGE_WAIT_BEFORE 0
47 #define SYNC_FILE_RANGE_WRITE 0
49 static inline int lttng_sync_file_range(int fd
, off64_t offset
,
50 off64_t nbytes
, unsigned int flags
)
56 #if (defined(__FreeBSD__) || defined(__CYGWIN__))
58 * Possible flags under Linux. Simply nullify them and avoid wrappers.
60 #define SPLICE_F_MOVE 0
61 #define SPLICE_F_NONBLOCK 0
62 #define SPLICE_F_MORE 0
63 #define SPLICE_F_GIFT 0
65 static inline ssize_t
splice(int fd_in
, loff_t
*off_in
, int fd_out
, loff_t
*off_out
,
66 size_t len
, unsigned int flags
)
73 #define POSIX_FADV_DONTNEED 0
75 static inline int posix_fadvise(int fd
, off_t offset
, off_t len
, int advice
)
81 #if !(defined(__linux__) || defined(__FreeBSD__) || defined(__CYGWIN__))
82 #error "Please add support for your OS."
83 #endif /* __linux__ , __FreeBSD__, __CYGWIN__ */
85 #endif /* _COMPAT_FCNTL_H */
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