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
27 #define FIO_HAVE_CHARDEV_SIZE
29 #define OS_MAP_ANON MAP_ANON
32 * OSX has a pitifully small shared memory segment by default,
33 * so default to a lower number of max jobs supported
35 #define FIO_MAX_JOBS 128
37 typedef off_t off64_t;
39 /* OS X as of 10.6 doesn't have the timer_* functions.
40 * Emulate the functionality using setitimer and sigaction here
45 typedef unsigned int clockid_t;
46 typedef unsigned int timer_t;
49 struct timespec it_value;
50 struct timespec it_interval;
53 static struct sigevent fio_timers[MAX_TIMERS];
54 static unsigned int num_timers = 0;
56 static inline int timer_create(clockid_t clockid, struct sigevent *restrict evp,
57 timer_t *restrict timerid)
59 int current_timer = num_timers;
60 fio_timers[current_timer] = *evp;
63 *timerid = current_timer;
67 static void sig_alrm(int signum)
71 for (int i = 0; i < num_timers; i++) {
72 if (fio_timers[i].sigev_notify_function == NULL)
75 if (fio_timers[i].sigev_notify == SIGEV_THREAD)
76 fio_timers[i].sigev_notify_function(sv);
77 else if (fio_timers[i].sigev_notify == SIGEV_SIGNAL)
78 kill(getpid(), fio_timers[i].sigev_signo);
82 static inline int timer_settime(timer_t timerid, int flags,
83 const struct itimerspec *value, struct itimerspec *ovalue)
87 struct itimerval tv_out;
90 tv.it_interval.tv_sec = value->it_interval.tv_sec;
91 tv.it_interval.tv_usec = value->it_interval.tv_nsec / 1000;
93 tv.it_value.tv_sec = value->it_value.tv_sec;
94 tv.it_value.tv_usec = value->it_value.tv_nsec / 1000;
96 sa.sa_handler = sig_alrm;
97 sigemptyset(&sa.sa_mask);
100 rc = sigaction(SIGALRM, &sa, NULL);
103 rc = setitimer(ITIMER_REAL, &tv, &tv_out);
105 if (!rc && ovalue != NULL) {
106 ovalue->it_interval.tv_sec = tv_out.it_interval.tv_sec;
107 ovalue->it_interval.tv_nsec = tv_out.it_interval.tv_usec * 1000;
108 ovalue->it_value.tv_sec = tv_out.it_value.tv_sec;
109 ovalue->it_value.tv_nsec = tv_out.it_value.tv_usec * 1000;
115 static inline int timer_delete(timer_t timer)
120 #define FIO_OS_DIRECTIO
121 static inline int fio_set_odirect(int fd)
123 if (fcntl(fd, F_NOCACHE, 1) == -1)
128 static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes)
131 if (ioctl(f->fd, DKIOCGETBLOCKCOUNT, bytes) == -1)
133 if (ioctl(f->fd, DKIOCGETBLOCKSIZE, &temp) == -1)
139 static inline int chardev_size(struct fio_file *f, unsigned long long *bytes)
142 * Could be a raw block device, this is better than just assuming
143 * we can't get the size at all.
145 if (!blockdev_size(f, bytes))
152 static inline int blockdev_invalidate_cache(struct fio_file *f)
157 static inline unsigned long long os_phys_mem(void)
159 int mib[2] = { CTL_HW, HW_PHYSMEM };
160 unsigned long long mem;
161 size_t len = sizeof(mem);
163 sysctl(mib, 2, &mem, &len, NULL, 0);
167 static inline int gettid(void)
169 return mach_thread_self();