#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
#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 unsigned long os_cpu_mask_t;
-typedef unsigned int os_random_state_t;
+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;
-static inline int blockdev_invalidate_cache(int fd)
+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)
{
- return EINVAL;
+ int current_timer = num_timers;
+ fio_timers[current_timer] = *evp;
+ num_timers++;
+
+ *timerid = current_timer;
+ return 0;
}
-static inline unsigned long long os_phys_mem(void)
+static void sig_alrm(int signum)
{
- 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;
+ 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 void os_random_seed(unsigned long seed, os_random_state_t *rs)
+static inline int timer_settime(timer_t timerid, int flags,
+ const struct itimerspec *value, struct itimerspec *ovalue)
{
- srand(seed);
+ 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 long os_random_long(os_random_state_t *rs)
+static inline int timer_delete(timer_t timer)
{
- long val;
+ return 0;
+}
- val = rand_r(rs);
- return val;
+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