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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> | |
2afd826b | 11 | |
e2e58886 JA |
12 | #include "../file.h" |
13 | ||
2afd826b JA |
14 | #ifndef CLOCK_MONOTONIC |
15 | #define CLOCK_MONOTONIC 1 | |
16 | #endif | |
17 | ||
18 | #ifndef CLOCK_REALTIME | |
19 | #define CLOCK_REALTIME 1 | |
20 | #endif | |
21 | ||
22 | #define FIO_HAVE_POSIXAIO | |
ecc314ba | 23 | #define FIO_HAVE_CLOCK_MONOTONIC |
53531370 | 24 | #define FIO_USE_GENERIC_RAND |
e8d588e4 | 25 | #define FIO_HAVE_GETTID |
2afd826b JA |
26 | |
27 | #define OS_MAP_ANON MAP_ANON | |
28 | ||
fca70358 JA |
29 | /* |
30 | * OSX has a pitifully small shared memory segment by default, | |
31 | * so default to a lower number of max jobs supported | |
32 | */ | |
33 | #define FIO_MAX_JOBS 128 | |
34 | ||
331539ac | 35 | typedef off_t off64_t; |
2afd826b | 36 | |
9b836561 BC |
37 | /* OS X as of 10.6 doesn't have the timer_* functions. |
38 | * Emulate the functionality using setitimer and sigaction here | |
39 | */ | |
40 | ||
41 | #define MAX_TIMERS 64 | |
42 | ||
43 | typedef unsigned int clockid_t; | |
44 | typedef unsigned int timer_t; | |
45 | ||
46 | struct itimerspec { | |
47 | struct timespec it_value; | |
48 | struct timespec it_interval; | |
49 | }; | |
50 | ||
51 | static struct sigevent fio_timers[MAX_TIMERS]; | |
52 | static unsigned int num_timers = 0; | |
53 | ||
54 | static inline int timer_create(clockid_t clockid, struct sigevent *restrict evp, | |
55 | timer_t *restrict timerid) | |
56 | { | |
57 | int current_timer = num_timers; | |
58 | fio_timers[current_timer] = *evp; | |
59 | num_timers++; | |
60 | ||
61 | *timerid = current_timer; | |
62 | return 0; | |
63 | } | |
64 | ||
65 | static void sig_alrm(int signum) | |
66 | { | |
67 | union sigval sv; | |
68 | ||
69 | for (int i = 0; i < num_timers; i++) { | |
70 | if (fio_timers[i].sigev_notify_function == NULL) | |
71 | continue; | |
72 | ||
73 | if (fio_timers[i].sigev_notify == SIGEV_THREAD) | |
74 | fio_timers[i].sigev_notify_function(sv); | |
75 | else if (fio_timers[i].sigev_notify == SIGEV_SIGNAL) | |
76 | kill(getpid(), fio_timers[i].sigev_signo); | |
77 | } | |
78 | } | |
79 | ||
80 | static inline int timer_settime(timer_t timerid, int flags, | |
81 | const struct itimerspec *value, struct itimerspec *ovalue) | |
82 | { | |
83 | struct sigaction sa; | |
84 | struct itimerval tv; | |
85 | struct itimerval tv_out; | |
86 | int rc; | |
87 | ||
88 | tv.it_interval.tv_sec = value->it_interval.tv_sec; | |
89 | tv.it_interval.tv_usec = value->it_interval.tv_nsec / 1000; | |
90 | ||
91 | tv.it_value.tv_sec = value->it_value.tv_sec; | |
92 | tv.it_value.tv_usec = value->it_value.tv_nsec / 1000; | |
93 | ||
94 | sa.sa_handler = sig_alrm; | |
95 | sigemptyset(&sa.sa_mask); | |
96 | sa.sa_flags = 0; | |
97 | ||
98 | rc = sigaction(SIGALRM, &sa, NULL); | |
99 | ||
100 | if (!rc) | |
101 | rc = setitimer(ITIMER_REAL, &tv, &tv_out); | |
102 | ||
103 | if (!rc && ovalue != NULL) { | |
104 | ovalue->it_interval.tv_sec = tv_out.it_interval.tv_sec; | |
105 | ovalue->it_interval.tv_nsec = tv_out.it_interval.tv_usec * 1000; | |
106 | ovalue->it_value.tv_sec = tv_out.it_value.tv_sec; | |
107 | ovalue->it_value.tv_nsec = tv_out.it_value.tv_usec * 1000; | |
108 | } | |
109 | ||
110 | return rc; | |
111 | } | |
112 | ||
113 | static inline int timer_delete(timer_t timer) | |
114 | { | |
115 | return 0; | |
116 | } | |
117 | ||
7e8ad197 SN |
118 | #define FIO_OS_DIRECTIO |
119 | static inline int fio_set_odirect(int fd) | |
120 | { | |
121 | if (fcntl(fd, F_NOCACHE, 1) == -1) | |
122 | return errno; | |
123 | return 0; | |
124 | } | |
125 | ||
c64646f0 SN |
126 | static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes) |
127 | { | |
128 | uint64_t temp = 1; | |
129 | if (ioctl(f->fd, DKIOCGETBLOCKCOUNT, bytes) == -1) | |
130 | return errno; | |
131 | if (ioctl(f->fd, DKIOCGETBLOCKSIZE, &temp) == -1) | |
132 | return errno; | |
133 | (*bytes) *= temp; | |
134 | return 0; | |
135 | } | |
136 | ||
9b836561 | 137 | static inline int blockdev_invalidate_cache(struct fio_file *f) |
2afd826b JA |
138 | { |
139 | return EINVAL; | |
140 | } | |
141 | ||
142 | static inline unsigned long long os_phys_mem(void) | |
143 | { | |
144 | int mib[2] = { CTL_HW, HW_PHYSMEM }; | |
145 | unsigned long long mem; | |
146 | size_t len = sizeof(mem); | |
147 | ||
148 | sysctl(mib, 2, &mem, &len, NULL, 0); | |
149 | return mem; | |
150 | } | |
e8d588e4 JA |
151 | |
152 | static inline int gettid(void) | |
153 | { | |
154 | return mach_thread_self(); | |
155 | } | |
2afd826b | 156 | #endif |