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