Commit | Line | Data |
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2afd826b JA |
1 | #ifndef FIO_OS_APPLE_H |
2 | #define FIO_OS_APPLE_H | |
3 | ||
4 | #include <errno.h> | |
7e8ad197 | 5 | #include <fcntl.h> |
c64646f0 | 6 | #include <sys/disk.h> |
2afd826b | 7 | #include <sys/sysctl.h> |
9b836561 BC |
8 | #include <sys/time.h> |
9 | #include <unistd.h> | |
10 | #include <signal.h> | |
3dee087c | 11 | #include <mach/mach_init.h> |
ff245192 JA |
12 | #include <machine/endian.h> |
13 | #include <libkern/OSByteOrder.h> | |
2afd826b | 14 | |
e2e58886 JA |
15 | #include "../file.h" |
16 | ||
2afd826b JA |
17 | #ifndef CLOCK_MONOTONIC |
18 | #define CLOCK_MONOTONIC 1 | |
19 | #endif | |
20 | ||
21 | #ifndef CLOCK_REALTIME | |
22 | #define CLOCK_REALTIME 1 | |
23 | #endif | |
24 | ||
25 | #define FIO_HAVE_POSIXAIO | |
ecc314ba | 26 | #define FIO_HAVE_CLOCK_MONOTONIC |
53531370 | 27 | #define FIO_USE_GENERIC_RAND |
e8d588e4 | 28 | #define FIO_HAVE_GETTID |
b42ffd19 | 29 | #define FIO_HAVE_CHARDEV_SIZE |
2afd826b JA |
30 | |
31 | #define OS_MAP_ANON MAP_ANON | |
32 | ||
ff245192 JA |
33 | #if defined(__LITTLE_ENDIAN__) |
34 | #define FIO_LITTLE_ENDIAN | |
35 | #elif defined(__BIG_ENDIAN__) | |
36 | #define FIO_BIG_ENDIAN | |
37 | #else | |
38 | #error "Undefined byte order" | |
39 | #endif | |
40 | ||
41 | #define fio_swap16(x) OSSwapInt16(x) | |
42 | #define fio_swap32(x) OSSwapInt32(x) | |
43 | #define fio_swap64(x) OSSwapInt64(x) | |
44 | ||
fca70358 JA |
45 | /* |
46 | * OSX has a pitifully small shared memory segment by default, | |
47 | * so default to a lower number of max jobs supported | |
48 | */ | |
49 | #define FIO_MAX_JOBS 128 | |
50 | ||
331539ac | 51 | typedef off_t off64_t; |
2afd826b | 52 | |
9b836561 BC |
53 | /* OS X as of 10.6 doesn't have the timer_* functions. |
54 | * Emulate the functionality using setitimer and sigaction here | |
55 | */ | |
56 | ||
57 | #define MAX_TIMERS 64 | |
58 | ||
59 | typedef unsigned int clockid_t; | |
60 | typedef unsigned int timer_t; | |
61 | ||
62 | struct itimerspec { | |
63 | struct timespec it_value; | |
64 | struct timespec it_interval; | |
65 | }; | |
66 | ||
67 | static struct sigevent fio_timers[MAX_TIMERS]; | |
68 | static unsigned int num_timers = 0; | |
69 | ||
70 | static inline int timer_create(clockid_t clockid, struct sigevent *restrict evp, | |
71 | timer_t *restrict timerid) | |
72 | { | |
73 | int current_timer = num_timers; | |
74 | fio_timers[current_timer] = *evp; | |
75 | num_timers++; | |
76 | ||
77 | *timerid = current_timer; | |
78 | return 0; | |
79 | } | |
80 | ||
81 | static void sig_alrm(int signum) | |
82 | { | |
83 | union sigval sv; | |
84 | ||
85 | for (int i = 0; i < num_timers; i++) { | |
86 | if (fio_timers[i].sigev_notify_function == NULL) | |
87 | continue; | |
88 | ||
89 | if (fio_timers[i].sigev_notify == SIGEV_THREAD) | |
90 | fio_timers[i].sigev_notify_function(sv); | |
91 | else if (fio_timers[i].sigev_notify == SIGEV_SIGNAL) | |
92 | kill(getpid(), fio_timers[i].sigev_signo); | |
93 | } | |
94 | } | |
95 | ||
96 | static inline int timer_settime(timer_t timerid, int flags, | |
97 | const struct itimerspec *value, struct itimerspec *ovalue) | |
98 | { | |
99 | struct sigaction sa; | |
100 | struct itimerval tv; | |
101 | struct itimerval tv_out; | |
102 | int rc; | |
103 | ||
104 | tv.it_interval.tv_sec = value->it_interval.tv_sec; | |
105 | tv.it_interval.tv_usec = value->it_interval.tv_nsec / 1000; | |
106 | ||
107 | tv.it_value.tv_sec = value->it_value.tv_sec; | |
108 | tv.it_value.tv_usec = value->it_value.tv_nsec / 1000; | |
109 | ||
110 | sa.sa_handler = sig_alrm; | |
111 | sigemptyset(&sa.sa_mask); | |
112 | sa.sa_flags = 0; | |
113 | ||
114 | rc = sigaction(SIGALRM, &sa, NULL); | |
115 | ||
116 | if (!rc) | |
117 | rc = setitimer(ITIMER_REAL, &tv, &tv_out); | |
118 | ||
119 | if (!rc && ovalue != NULL) { | |
120 | ovalue->it_interval.tv_sec = tv_out.it_interval.tv_sec; | |
121 | ovalue->it_interval.tv_nsec = tv_out.it_interval.tv_usec * 1000; | |
122 | ovalue->it_value.tv_sec = tv_out.it_value.tv_sec; | |
123 | ovalue->it_value.tv_nsec = tv_out.it_value.tv_usec * 1000; | |
124 | } | |
125 | ||
126 | return rc; | |
127 | } | |
128 | ||
129 | static inline int timer_delete(timer_t timer) | |
130 | { | |
131 | return 0; | |
132 | } | |
133 | ||
7e8ad197 SN |
134 | #define FIO_OS_DIRECTIO |
135 | static inline int fio_set_odirect(int fd) | |
136 | { | |
137 | if (fcntl(fd, F_NOCACHE, 1) == -1) | |
138 | return errno; | |
139 | return 0; | |
140 | } | |
141 | ||
c64646f0 SN |
142 | static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes) |
143 | { | |
144 | uint64_t temp = 1; | |
145 | if (ioctl(f->fd, DKIOCGETBLOCKCOUNT, bytes) == -1) | |
146 | return errno; | |
147 | if (ioctl(f->fd, DKIOCGETBLOCKSIZE, &temp) == -1) | |
148 | return errno; | |
149 | (*bytes) *= temp; | |
150 | return 0; | |
151 | } | |
152 | ||
b42ffd19 JA |
153 | static inline int chardev_size(struct fio_file *f, unsigned long long *bytes) |
154 | { | |
155 | /* | |
156 | * Could be a raw block device, this is better than just assuming | |
157 | * we can't get the size at all. | |
158 | */ | |
159 | if (!blockdev_size(f, bytes)) | |
160 | return 0; | |
161 | ||
162 | *bytes = -1ULL; | |
163 | return 0; | |
164 | } | |
165 | ||
9b836561 | 166 | static inline int blockdev_invalidate_cache(struct fio_file *f) |
2afd826b JA |
167 | { |
168 | return EINVAL; | |
169 | } | |
170 | ||
171 | static inline unsigned long long os_phys_mem(void) | |
172 | { | |
173 | int mib[2] = { CTL_HW, HW_PHYSMEM }; | |
174 | unsigned long long mem; | |
175 | size_t len = sizeof(mem); | |
176 | ||
177 | sysctl(mib, 2, &mem, &len, NULL, 0); | |
178 | return mem; | |
179 | } | |
e8d588e4 JA |
180 | |
181 | static inline int gettid(void) | |
182 | { | |
183 | return mach_thread_self(); | |
184 | } | |
2afd826b | 185 | #endif |