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