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