src/common: use single Makefile for parallel builds
[lttng-tools.git] / src / common / compat / fcntl.h
1 /*
2 * Copyright (C) 2011 David Goulet <dgoulet@efficios.com>
3 *
4 * SPDX-License-Identifier: LGPL-2.1-only
5 *
6 */
7
8 #ifndef _COMPAT_FCNTL_H
9 #define _COMPAT_FCNTL_H
10
11 #include <fcntl.h>
12 #include <sys/types.h>
13
14 #include <common/compat/errno.h>
15
16 #if (defined(__CYGWIN__))
17 typedef long long off64_t;
18 #endif
19
20 #if (defined(__FreeBSD__) || defined(__sun__))
21 typedef off64_t loff_t;
22 #endif
23
24 #ifdef __linux__
25 extern int compat_sync_file_range(int fd, off64_t offset, off64_t nbytes,
26 unsigned int flags);
27 #define lttng_sync_file_range(fd, offset, nbytes, flags) \
28 compat_sync_file_range(fd, offset, nbytes, flags)
29
30 #endif /* __linux__ */
31
32 #if (defined(__FreeBSD__) || defined(__CYGWIN__) || defined(__sun__))
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
40 static 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
47 #if (defined(__FreeBSD__) || defined(__CYGWIN__) || defined(__sun__))
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
56 static 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 }
61 #endif
62
63 #if !(defined(__linux__) || defined(__FreeBSD__) || defined(__CYGWIN__) || defined(__sun__) || defined(__APPLE__))
64 #error "Please add support for your OS."
65 #endif /* __linux__ , __FreeBSD__, __CYGWIN__, __sun__, __APPLE__ */
66
67 #endif /* _COMPAT_FCNTL_H */
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