Move utils_expand_path and utils_expand_path_keep_symlink to libpath.la
[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>
1268b9d6 12#include <sys/types.h>
dbb5dfe6 13
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14#include <common/compat/errno.h>
15
3306f57f 16#if (defined(__CYGWIN__))
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17typedef long long off64_t;
18#endif
19
a3a9e86d 20#if (defined(__FreeBSD__) || defined(__sun__))
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21typedef off64_t loff_t;
22#endif
1268b9d6 23
4443d2b1 24#ifdef __linux__
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25extern int compat_sync_file_range(int fd, off64_t offset, off64_t nbytes,
26 unsigned int flags);
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27#define lttng_sync_file_range(fd, offset, nbytes, flags) \
28 compat_sync_file_range(fd, offset, nbytes, flags)
29
4443d2b1 30#endif /* __linux__ */
dbb5dfe6 31
a3a9e86d 32#if (defined(__FreeBSD__) || defined(__CYGWIN__) || defined(__sun__))
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33/*
34 * Possible flags under Linux. Simply nullify them and avoid wrapper.
35 */
36#define SYNC_FILE_RANGE_WAIT_AFTER 0
37#define SYNC_FILE_RANGE_WAIT_BEFORE 0
38#define SYNC_FILE_RANGE_WRITE 0
39
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40static inline int lttng_sync_file_range(int fd, off64_t offset,
41 off64_t nbytes, unsigned int flags)
42{
43 return -ENOSYS;
44}
45#endif
46
a3a9e86d 47#if (defined(__FreeBSD__) || defined(__CYGWIN__) || defined(__sun__))
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48/*
49 * Possible flags under Linux. Simply nullify them and avoid wrappers.
50 */
51#define SPLICE_F_MOVE 0
52#define SPLICE_F_NONBLOCK 0
53#define SPLICE_F_MORE 0
54#define SPLICE_F_GIFT 0
55
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56static inline ssize_t splice(int fd_in, loff_t *off_in, int fd_out, loff_t *off_out,
57 size_t len, unsigned int flags)
58{
59 return -ENOSYS;
60}
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61#endif
62
82513a40 63#if !(defined(__linux__) || defined(__FreeBSD__) || defined(__CYGWIN__) || defined(__sun__) || defined(__APPLE__))
7657ae75 64#error "Please add support for your OS."
82513a40 65#endif /* __linux__ , __FreeBSD__, __CYGWIN__, __sun__, __APPLE__ */
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66
67#endif /* _COMPAT_FCNTL_H */
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