configure: stop enabling fdatasync on OSX
[fio.git] / os / os-mac.h
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1#ifndef FIO_OS_APPLE_H
2#define FIO_OS_APPLE_H
3
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4#define FIO_OS os_mac
5
2afd826b 6#include <errno.h>
7e8ad197 7#include <fcntl.h>
c64646f0 8#include <sys/disk.h>
2afd826b 9#include <sys/sysctl.h>
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10#include <sys/time.h>
11#include <unistd.h>
12#include <signal.h>
3dee087c 13#include <mach/mach_init.h>
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14#include <machine/endian.h>
15#include <libkern/OSByteOrder.h>
2afd826b 16
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17#include "../file.h"
18
93bcfd20 19#define FIO_USE_GENERIC_INIT_RANDOM_STATE
e8d588e4 20#define FIO_HAVE_GETTID
b42ffd19 21#define FIO_HAVE_CHARDEV_SIZE
2c3e17be 22#define FIO_HAVE_NATIVE_FALLOCATE
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23
24#define OS_MAP_ANON MAP_ANON
25
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26#define fio_swap16(x) OSSwapInt16(x)
27#define fio_swap32(x) OSSwapInt32(x)
28#define fio_swap64(x) OSSwapInt64(x)
29
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30/*
31 * OSX has a pitifully small shared memory segment by default,
32 * so default to a lower number of max jobs supported
33 */
34#define FIO_MAX_JOBS 128
35
331539ac 36typedef off_t off64_t;
2afd826b 37
25f8227d 38#ifndef CONFIG_CLOCKID_T
9b836561 39typedef unsigned int clockid_t;
25f8227d 40#endif
9b836561 41
7e8ad197 42#define FIO_OS_DIRECTIO
2905de74 43static inline int fio_set_odirect(struct fio_file *f)
7e8ad197 44{
2905de74 45 if (fcntl(f->fd, F_NOCACHE, 1) == -1)
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46 return errno;
47 return 0;
48}
49
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50static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes)
51{
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52 uint32_t block_size;
53 uint64_t block_count;
54
55 if (ioctl(f->fd, DKIOCGETBLOCKCOUNT, &block_count) == -1)
c64646f0 56 return errno;
79d73100 57 if (ioctl(f->fd, DKIOCGETBLOCKSIZE, &block_size) == -1)
c64646f0 58 return errno;
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59
60 *bytes = block_size;
61 *bytes *= block_count;
62 return 0;
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63}
64
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65static inline int chardev_size(struct fio_file *f, unsigned long long *bytes)
66{
67 /*
68 * Could be a raw block device, this is better than just assuming
69 * we can't get the size at all.
70 */
71 if (!blockdev_size(f, bytes))
72 return 0;
73
74 *bytes = -1ULL;
75 return 0;
76}
77
9b836561 78static inline int blockdev_invalidate_cache(struct fio_file *f)
2afd826b 79{
22de5d77 80 return ENOTSUP;
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81}
82
83static inline unsigned long long os_phys_mem(void)
84{
85 int mib[2] = { CTL_HW, HW_PHYSMEM };
86 unsigned long long mem;
87 size_t len = sizeof(mem);
88
89 sysctl(mib, 2, &mem, &len, NULL, 0);
90 return mem;
91}
e8d588e4 92
de5ed0e4 93#ifndef CONFIG_HAVE_GETTID
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94static inline int gettid(void)
95{
96 return mach_thread_self();
97}
de5ed0e4 98#endif
5351f564 99
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100static inline bool fio_fallocate(struct fio_file *f, uint64_t offset, uint64_t len)
101{
102 fstore_t store = {F_ALLOCATEALL, F_PEOFPOSMODE, offset, len};
103 if (fcntl(f->fd, F_PREALLOCATE, &store) != -1) {
104 if (ftruncate(f->fd, len) == 0)
105 return true;
106 }
107
108 return false;
109}
110
2afd826b 111#endif