7 #include <sys/sysctl.h>
11 #include <mach/mach_init.h>
15 #ifndef CLOCK_MONOTONIC
16 #define CLOCK_MONOTONIC 1
19 #ifndef CLOCK_REALTIME
20 #define CLOCK_REALTIME 1
23 #define FIO_HAVE_POSIXAIO
24 #define FIO_HAVE_CLOCK_MONOTONIC
25 #define FIO_USE_GENERIC_RAND
26 #define FIO_HAVE_GETTID
28 #define OS_MAP_ANON MAP_ANON
31 * OSX has a pitifully small shared memory segment by default,
32 * so default to a lower number of max jobs supported
34 #define FIO_MAX_JOBS 128
36 typedef off_t off64_t;
38 /* OS X as of 10.6 doesn't have the timer_* functions.
39 * Emulate the functionality using setitimer and sigaction here
44 typedef unsigned int clockid_t;
45 typedef unsigned int timer_t;
48 struct timespec it_value;
49 struct timespec it_interval;
52 static struct sigevent fio_timers[MAX_TIMERS];
53 static unsigned int num_timers = 0;
55 static inline int timer_create(clockid_t clockid, struct sigevent *restrict evp,
56 timer_t *restrict timerid)
58 int current_timer = num_timers;
59 fio_timers[current_timer] = *evp;
62 *timerid = current_timer;
66 static void sig_alrm(int signum)
70 for (int i = 0; i < num_timers; i++) {
71 if (fio_timers[i].sigev_notify_function == NULL)
74 if (fio_timers[i].sigev_notify == SIGEV_THREAD)
75 fio_timers[i].sigev_notify_function(sv);
76 else if (fio_timers[i].sigev_notify == SIGEV_SIGNAL)
77 kill(getpid(), fio_timers[i].sigev_signo);
81 static inline int timer_settime(timer_t timerid, int flags,
82 const struct itimerspec *value, struct itimerspec *ovalue)
86 struct itimerval tv_out;
89 tv.it_interval.tv_sec = value->it_interval.tv_sec;
90 tv.it_interval.tv_usec = value->it_interval.tv_nsec / 1000;
92 tv.it_value.tv_sec = value->it_value.tv_sec;
93 tv.it_value.tv_usec = value->it_value.tv_nsec / 1000;
95 sa.sa_handler = sig_alrm;
96 sigemptyset(&sa.sa_mask);
99 rc = sigaction(SIGALRM, &sa, NULL);
102 rc = setitimer(ITIMER_REAL, &tv, &tv_out);
104 if (!rc && ovalue != NULL) {
105 ovalue->it_interval.tv_sec = tv_out.it_interval.tv_sec;
106 ovalue->it_interval.tv_nsec = tv_out.it_interval.tv_usec * 1000;
107 ovalue->it_value.tv_sec = tv_out.it_value.tv_sec;
108 ovalue->it_value.tv_nsec = tv_out.it_value.tv_usec * 1000;
114 static inline int timer_delete(timer_t timer)
119 #define FIO_OS_DIRECTIO
120 static inline int fio_set_odirect(int fd)
122 if (fcntl(fd, F_NOCACHE, 1) == -1)
127 static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes)
130 if (ioctl(f->fd, DKIOCGETBLOCKCOUNT, bytes) == -1)
132 if (ioctl(f->fd, DKIOCGETBLOCKSIZE, &temp) == -1)
138 static inline int blockdev_invalidate_cache(struct fio_file *f)
143 static inline unsigned long long os_phys_mem(void)
145 int mib[2] = { CTL_HW, HW_PHYSMEM };
146 unsigned long long mem;
147 size_t len = sizeof(mem);
149 sysctl(mib, 2, &mem, &len, NULL, 0);
153 static inline int gettid(void)
155 return mach_thread_self();