2 * Copyright (C) 2011 David Goulet <dgoulet@efficios.com>
4 * SPDX-License-Identifier: GPL-2.0-only
8 #ifndef _COMPAT_FCNTL_H
9 #define _COMPAT_FCNTL_H
13 #include <sys/types.h>
15 #if (defined(__FreeBSD__) || defined(__CYGWIN__))
16 typedef long long off64_t
;
19 #if (defined(__FreeBSD__) || defined(__sun__))
20 typedef off64_t loff_t
;
24 extern int compat_sync_file_range(int fd
, off64_t offset
, off64_t nbytes
,
26 #define lttng_sync_file_range(fd, offset, nbytes, flags) \
27 compat_sync_file_range(fd, offset, nbytes, flags)
29 #endif /* __linux__ */
31 #if (defined(__FreeBSD__) || defined(__CYGWIN__) || defined(__sun__))
33 * Possible flags under Linux. Simply nullify them and avoid wrapper.
35 #define SYNC_FILE_RANGE_WAIT_AFTER 0
36 #define SYNC_FILE_RANGE_WAIT_BEFORE 0
37 #define SYNC_FILE_RANGE_WRITE 0
39 static inline int lttng_sync_file_range(int fd
, off64_t offset
,
40 off64_t nbytes
, unsigned int flags
)
46 #if (defined(__FreeBSD__) || defined(__CYGWIN__) || defined(__sun__))
48 * Possible flags under Linux. Simply nullify them and avoid wrappers.
50 #define SPLICE_F_MOVE 0
51 #define SPLICE_F_NONBLOCK 0
52 #define SPLICE_F_MORE 0
53 #define SPLICE_F_GIFT 0
55 static 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
)
63 #define POSIX_FADV_DONTNEED 0
65 static inline int posix_fadvise(int fd
, off_t offset
, off_t len
, int advice
)
71 #if !(defined(__linux__) || defined(__FreeBSD__) || defined(__CYGWIN__) || defined(__sun__) || defined(__APPLE__))
72 #error "Please add support for your OS."
73 #endif /* __linux__ , __FreeBSD__, __CYGWIN__, __sun__, __APPLE__ */
75 #endif /* _COMPAT_FCNTL_H */
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