#ifndef FIO_OS_APPLE_H
#define FIO_OS_APPLE_H
+#define FIO_OS os_mac
+
#include <errno.h>
+#include <fcntl.h>
+#include <sys/disk.h>
#include <sys/sysctl.h>
+#include <sys/time.h>
+#include <unistd.h>
+#include <signal.h>
+#include <mach/mach_init.h>
+#include <machine/endian.h>
+#include <libkern/OSByteOrder.h>
-#ifndef CLOCK_MONOTONIC
-#define CLOCK_MONOTONIC 1
-#endif
+#include "../file.h"
-#ifndef CLOCK_REALTIME
-#define CLOCK_REALTIME 1
-#endif
-
-#define FIO_HAVE_POSIXAIO
-#define FIO_USE_GENERIC_BDEV_SIZE
+#define FIO_USE_GENERIC_RAND
+#define FIO_USE_GENERIC_INIT_RANDOM_STATE
+#define FIO_HAVE_GETTID
+#define FIO_HAVE_CHARDEV_SIZE
#define OS_MAP_ANON MAP_ANON
-typedef unsigned long os_cpu_mask_t;
-typedef unsigned int os_random_state_t;
+#define fio_swap16(x) OSSwapInt16(x)
+#define fio_swap32(x) OSSwapInt32(x)
+#define fio_swap64(x) OSSwapInt64(x)
+
+/*
+ * OSX has a pitifully small shared memory segment by default,
+ * so default to a lower number of max jobs supported
+ */
+#define FIO_MAX_JOBS 128
+
+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 inline int blockdev_invalidate_cache(int fd)
+static struct sigevent fio_timers[MAX_TIMERS];
+static unsigned int num_timers = 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;
+}
+
+#define FIO_OS_DIRECTIO
+static inline int fio_set_odirect(int fd)
+{
+ if (fcntl(fd, F_NOCACHE, 1) == -1)
+ return errno;
+ return 0;
+}
+
+static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes)
+{
+ uint32_t block_size;
+ uint64_t block_count;
+
+ if (ioctl(f->fd, DKIOCGETBLOCKCOUNT, &block_count) == -1)
+ return errno;
+ if (ioctl(f->fd, DKIOCGETBLOCKSIZE, &block_size) == -1)
+ return errno;
+
+ *bytes = block_size;
+ *bytes *= block_count;
+ return 0;
+}
+
+static inline int chardev_size(struct fio_file *f, unsigned long long *bytes)
+{
+ /*
+ * Could be a raw block device, this is better than just assuming
+ * we can't get the size at all.
+ */
+ if (!blockdev_size(f, bytes))
+ return 0;
+
+ *bytes = -1ULL;
+ return 0;
+}
+
+static inline int blockdev_invalidate_cache(struct fio_file *f)
{
return EINVAL;
}
return mem;
}
-static inline void os_random_seed(unsigned long seed, os_random_state_t *rs)
+static inline int gettid(void)
{
- srand(seed);
+ return mach_thread_self();
}
-static inline long os_random_long(os_random_state_t *rs)
-{
- long val;
-
- val = rand_r(rs);
- return val;
-}
+/*
+ * For some reason, there's no header definition for fdatasync(), even
+ * if it exists.
+ */
+extern int fdatasync(int fd);
#endif