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2afd826b JA |
1 | #ifndef FIO_OS_APPLE_H |
2 | #define FIO_OS_APPLE_H | |
3 | ||
4 | #include <errno.h> | |
5 | #include <sys/sysctl.h> | |
9b836561 BC |
6 | #include <sys/time.h> |
7 | #include <unistd.h> | |
8 | #include <signal.h> | |
2afd826b | 9 | |
e2e58886 JA |
10 | #include "../file.h" |
11 | ||
2afd826b JA |
12 | #ifndef CLOCK_MONOTONIC |
13 | #define CLOCK_MONOTONIC 1 | |
14 | #endif | |
15 | ||
16 | #ifndef CLOCK_REALTIME | |
17 | #define CLOCK_REALTIME 1 | |
18 | #endif | |
19 | ||
20 | #define FIO_HAVE_POSIXAIO | |
ecc314ba | 21 | #define FIO_HAVE_CLOCK_MONOTONIC |
2afd826b | 22 | #define FIO_USE_GENERIC_BDEV_SIZE |
53531370 | 23 | #define FIO_USE_GENERIC_RAND |
2afd826b JA |
24 | |
25 | #define OS_MAP_ANON MAP_ANON | |
26 | ||
331539ac | 27 | typedef off_t off64_t; |
2afd826b | 28 | |
9b836561 BC |
29 | /* OS X as of 10.6 doesn't have the timer_* functions. |
30 | * Emulate the functionality using setitimer and sigaction here | |
31 | */ | |
32 | ||
33 | #define MAX_TIMERS 64 | |
34 | ||
35 | typedef unsigned int clockid_t; | |
36 | typedef unsigned int timer_t; | |
37 | ||
38 | struct itimerspec { | |
39 | struct timespec it_value; | |
40 | struct timespec it_interval; | |
41 | }; | |
42 | ||
43 | static struct sigevent fio_timers[MAX_TIMERS]; | |
44 | static unsigned int num_timers = 0; | |
45 | ||
46 | static inline int timer_create(clockid_t clockid, struct sigevent *restrict evp, | |
47 | timer_t *restrict timerid) | |
48 | { | |
49 | int current_timer = num_timers; | |
50 | fio_timers[current_timer] = *evp; | |
51 | num_timers++; | |
52 | ||
53 | *timerid = current_timer; | |
54 | return 0; | |
55 | } | |
56 | ||
57 | static void sig_alrm(int signum) | |
58 | { | |
59 | union sigval sv; | |
60 | ||
61 | for (int i = 0; i < num_timers; i++) { | |
62 | if (fio_timers[i].sigev_notify_function == NULL) | |
63 | continue; | |
64 | ||
65 | if (fio_timers[i].sigev_notify == SIGEV_THREAD) | |
66 | fio_timers[i].sigev_notify_function(sv); | |
67 | else if (fio_timers[i].sigev_notify == SIGEV_SIGNAL) | |
68 | kill(getpid(), fio_timers[i].sigev_signo); | |
69 | } | |
70 | } | |
71 | ||
72 | static inline int timer_settime(timer_t timerid, int flags, | |
73 | const struct itimerspec *value, struct itimerspec *ovalue) | |
74 | { | |
75 | struct sigaction sa; | |
76 | struct itimerval tv; | |
77 | struct itimerval tv_out; | |
78 | int rc; | |
79 | ||
80 | tv.it_interval.tv_sec = value->it_interval.tv_sec; | |
81 | tv.it_interval.tv_usec = value->it_interval.tv_nsec / 1000; | |
82 | ||
83 | tv.it_value.tv_sec = value->it_value.tv_sec; | |
84 | tv.it_value.tv_usec = value->it_value.tv_nsec / 1000; | |
85 | ||
86 | sa.sa_handler = sig_alrm; | |
87 | sigemptyset(&sa.sa_mask); | |
88 | sa.sa_flags = 0; | |
89 | ||
90 | rc = sigaction(SIGALRM, &sa, NULL); | |
91 | ||
92 | if (!rc) | |
93 | rc = setitimer(ITIMER_REAL, &tv, &tv_out); | |
94 | ||
95 | if (!rc && ovalue != NULL) { | |
96 | ovalue->it_interval.tv_sec = tv_out.it_interval.tv_sec; | |
97 | ovalue->it_interval.tv_nsec = tv_out.it_interval.tv_usec * 1000; | |
98 | ovalue->it_value.tv_sec = tv_out.it_value.tv_sec; | |
99 | ovalue->it_value.tv_nsec = tv_out.it_value.tv_usec * 1000; | |
100 | } | |
101 | ||
102 | return rc; | |
103 | } | |
104 | ||
105 | static inline int timer_delete(timer_t timer) | |
106 | { | |
107 | return 0; | |
108 | } | |
109 | ||
110 | static inline int blockdev_invalidate_cache(struct fio_file *f) | |
2afd826b JA |
111 | { |
112 | return EINVAL; | |
113 | } | |
114 | ||
115 | static inline unsigned long long os_phys_mem(void) | |
116 | { | |
117 | int mib[2] = { CTL_HW, HW_PHYSMEM }; | |
118 | unsigned long long mem; | |
119 | size_t len = sizeof(mem); | |
120 | ||
121 | sysctl(mib, 2, &mem, &len, NULL, 0); | |
122 | return mem; | |
123 | } | |
2afd826b | 124 | #endif |