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#ifndef FIO_OS_APPLE_H
#define FIO_OS_APPLE_H
#include <errno.h>
#include <sys/sysctl.h>
#include <sys/time.h>
#include <unistd.h>
#include <signal.h>
#include "../file.h"
#ifndef CLOCK_MONOTONIC
#define CLOCK_MONOTONIC 1
#endif
#ifndef CLOCK_REALTIME
#define CLOCK_REALTIME 1
#endif
#define FIO_HAVE_POSIXAIO
#define FIO_HAVE_CLOCK_MONOTONIC
#define FIO_USE_GENERIC_BDEV_SIZE
#define FIO_USE_GENERIC_RAND
#define OS_MAP_ANON MAP_ANON
typedef off_t off64_t;
/* OS X as of 10.6 doesn't have the timer_* functions.
* Emulate the functionality using setitimer and sigaction here
*/
#define MAX_TIMERS 64
typedef unsigned int clockid_t;
typedef unsigned int timer_t;
struct itimerspec {
struct timespec it_value;
struct timespec it_interval;
};
static struct sigevent fio_timers[MAX_TIMERS];
static unsigned int num_timers = 0;
static inline int timer_create(clockid_t clockid, struct sigevent *restrict evp,
timer_t *restrict timerid)
{
int current_timer = num_timers;
fio_timers[current_timer] = *evp;
num_timers++;
*timerid = current_timer;
return 0;
}
static void sig_alrm(int signum)
{
union sigval sv;
for (int i = 0; i < num_timers; i++) {
if (fio_timers[i].sigev_notify_function == NULL)
continue;
if (fio_timers[i].sigev_notify == SIGEV_THREAD)
fio_timers[i].sigev_notify_function(sv);
else if (fio_timers[i].sigev_notify == SIGEV_SIGNAL)
kill(getpid(), fio_timers[i].sigev_signo);
}
}
static inline int timer_settime(timer_t timerid, int flags,
const struct itimerspec *value, struct itimerspec *ovalue)
{
struct sigaction sa;
struct itimerval tv;
struct itimerval tv_out;
int rc;
tv.it_interval.tv_sec = value->it_interval.tv_sec;
tv.it_interval.tv_usec = value->it_interval.tv_nsec / 1000;
tv.it_value.tv_sec = value->it_value.tv_sec;
tv.it_value.tv_usec = value->it_value.tv_nsec / 1000;
sa.sa_handler = sig_alrm;
sigemptyset(&sa.sa_mask);
sa.sa_flags = 0;
rc = sigaction(SIGALRM, &sa, NULL);
if (!rc)
rc = setitimer(ITIMER_REAL, &tv, &tv_out);
if (!rc && ovalue != NULL) {
ovalue->it_interval.tv_sec = tv_out.it_interval.tv_sec;
ovalue->it_interval.tv_nsec = tv_out.it_interval.tv_usec * 1000;
ovalue->it_value.tv_sec = tv_out.it_value.tv_sec;
ovalue->it_value.tv_nsec = tv_out.it_value.tv_usec * 1000;
}
return rc;
}
static inline int timer_delete(timer_t timer)
{
return 0;
}
static inline int blockdev_invalidate_cache(struct fio_file *f)
{
return EINVAL;
}
static inline unsigned long long os_phys_mem(void)
{
int mib[2] = { CTL_HW, HW_PHYSMEM };
unsigned long long mem;
size_t len = sizeof(mem);
sysctl(mib, 2, &mem, &len, NULL, 0);
return mem;
}
#endif
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