port: posix_fadvise is available in FreeBSD >= 10.0
[lttng-tools.git] / src / common / compat / fcntl.h
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dbb5dfe6 1/*
ab5be9fa 2 * Copyright (C) 2011 David Goulet <dgoulet@efficios.com>
dbb5dfe6 3 *
ab5be9fa 4 * SPDX-License-Identifier: GPL-2.0-only
dbb5dfe6 5 *
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6 */
7
8#ifndef _COMPAT_FCNTL_H
9#define _COMPAT_FCNTL_H
10
11#include <fcntl.h>
4443d2b1 12#include <errno.h>
1268b9d6 13#include <sys/types.h>
dbb5dfe6 14
3306f57f 15#if (defined(__CYGWIN__))
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16typedef long long off64_t;
17#endif
18
a3a9e86d 19#if (defined(__FreeBSD__) || defined(__sun__))
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20typedef off64_t loff_t;
21#endif
1268b9d6 22
4443d2b1 23#ifdef __linux__
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24extern int compat_sync_file_range(int fd, off64_t offset, off64_t nbytes,
25 unsigned int flags);
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26#define lttng_sync_file_range(fd, offset, nbytes, flags) \
27 compat_sync_file_range(fd, offset, nbytes, flags)
28
4443d2b1 29#endif /* __linux__ */
dbb5dfe6 30
a3a9e86d 31#if (defined(__FreeBSD__) || defined(__CYGWIN__) || defined(__sun__))
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32/*
33 * Possible flags under Linux. Simply nullify them and avoid wrapper.
34 */
35#define SYNC_FILE_RANGE_WAIT_AFTER 0
36#define SYNC_FILE_RANGE_WAIT_BEFORE 0
37#define SYNC_FILE_RANGE_WRITE 0
38
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39static inline int lttng_sync_file_range(int fd, off64_t offset,
40 off64_t nbytes, unsigned int flags)
41{
42 return -ENOSYS;
43}
44#endif
45
a3a9e86d 46#if (defined(__FreeBSD__) || defined(__CYGWIN__) || defined(__sun__))
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47/*
48 * Possible flags under Linux. Simply nullify them and avoid wrappers.
49 */
50#define SPLICE_F_MOVE 0
51#define SPLICE_F_NONBLOCK 0
52#define SPLICE_F_MORE 0
53#define SPLICE_F_GIFT 0
54
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55static inline ssize_t splice(int fd_in, loff_t *off_in, int fd_out, loff_t *off_out,
56 size_t len, unsigned int flags)
57{
58 return -ENOSYS;
59}
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60#endif
61
82513a40 62#if !(defined(__linux__) || defined(__FreeBSD__) || defined(__CYGWIN__) || defined(__sun__) || defined(__APPLE__))
7657ae75 63#error "Please add support for your OS."
82513a40 64#endif /* __linux__ , __FreeBSD__, __CYGWIN__, __sun__, __APPLE__ */
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65
66#endif /* _COMPAT_FCNTL_H */
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