7 #include <sys/sysctl.h>
14 #ifndef CLOCK_MONOTONIC
15 #define CLOCK_MONOTONIC 1
18 #ifndef CLOCK_REALTIME
19 #define CLOCK_REALTIME 1
22 #define FIO_HAVE_POSIXAIO
23 #define FIO_HAVE_CLOCK_MONOTONIC
24 #define FIO_USE_GENERIC_RAND
25 #define FIO_HAVE_GETTID
27 #define OS_MAP_ANON MAP_ANON
30 * OSX has a pitifully small shared memory segment by default,
31 * so default to a lower number of max jobs supported
33 #define FIO_MAX_JOBS 128
35 typedef off_t off64_t;
37 /* OS X as of 10.6 doesn't have the timer_* functions.
38 * Emulate the functionality using setitimer and sigaction here
43 typedef unsigned int clockid_t;
44 typedef unsigned int timer_t;
47 struct timespec it_value;
48 struct timespec it_interval;
51 static struct sigevent fio_timers[MAX_TIMERS];
52 static unsigned int num_timers = 0;
54 static inline int timer_create(clockid_t clockid, struct sigevent *restrict evp,
55 timer_t *restrict timerid)
57 int current_timer = num_timers;
58 fio_timers[current_timer] = *evp;
61 *timerid = current_timer;
65 static void sig_alrm(int signum)
69 for (int i = 0; i < num_timers; i++) {
70 if (fio_timers[i].sigev_notify_function == NULL)
73 if (fio_timers[i].sigev_notify == SIGEV_THREAD)
74 fio_timers[i].sigev_notify_function(sv);
75 else if (fio_timers[i].sigev_notify == SIGEV_SIGNAL)
76 kill(getpid(), fio_timers[i].sigev_signo);
80 static inline int timer_settime(timer_t timerid, int flags,
81 const struct itimerspec *value, struct itimerspec *ovalue)
85 struct itimerval tv_out;
88 tv.it_interval.tv_sec = value->it_interval.tv_sec;
89 tv.it_interval.tv_usec = value->it_interval.tv_nsec / 1000;
91 tv.it_value.tv_sec = value->it_value.tv_sec;
92 tv.it_value.tv_usec = value->it_value.tv_nsec / 1000;
94 sa.sa_handler = sig_alrm;
95 sigemptyset(&sa.sa_mask);
98 rc = sigaction(SIGALRM, &sa, NULL);
101 rc = setitimer(ITIMER_REAL, &tv, &tv_out);
103 if (!rc && ovalue != NULL) {
104 ovalue->it_interval.tv_sec = tv_out.it_interval.tv_sec;
105 ovalue->it_interval.tv_nsec = tv_out.it_interval.tv_usec * 1000;
106 ovalue->it_value.tv_sec = tv_out.it_value.tv_sec;
107 ovalue->it_value.tv_nsec = tv_out.it_value.tv_usec * 1000;
113 static inline int timer_delete(timer_t timer)
118 #define FIO_OS_DIRECTIO
119 static inline int fio_set_odirect(int fd)
121 if (fcntl(fd, F_NOCACHE, 1) == -1)
126 static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes)
129 if (ioctl(f->fd, DKIOCGETBLOCKCOUNT, bytes) == -1)
131 if (ioctl(f->fd, DKIOCGETBLOCKSIZE, &temp) == -1)
137 static inline int blockdev_invalidate_cache(struct fio_file *f)
142 static inline unsigned long long os_phys_mem(void)
144 int mib[2] = { CTL_HW, HW_PHYSMEM };
145 unsigned long long mem;
146 size_t len = sizeof(mem);
148 sysctl(mib, 2, &mem, &len, NULL, 0);
152 static inline int gettid(void)
154 return mach_thread_self();