Generic endianness typo

[fio.git] / os / os-mac.h

diff --git a/os/os-mac.h b/os/os-mac.h
index 1b786f832f0911f7844774343cc4b70ab30171e7..24e0eb5d157b8db0c292bd15fb1b3a6508e28981 100644 (file)
--- a/os/os-mac.h
+++ b/os/os-mac.h
@@ -2,7 +2,17 @@
 #define FIO_OS_APPLE_H
 
 #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>
+
+#include "../file.h"
 
 #ifndef CLOCK_MONOTONIC
 #define CLOCK_MONOTONIC 1
@@ -13,15 +23,147 @@
 #endif
 
 #define FIO_HAVE_POSIXAIO
-#define FIO_USE_GENERIC_BDEV_SIZE
+#define FIO_HAVE_CLOCK_MONOTONIC
 #define FIO_USE_GENERIC_RAND
+#define FIO_HAVE_GETTID
+#define FIO_HAVE_CHARDEV_SIZE
 
 #define OS_MAP_ANON            MAP_ANON
 
-typedef unsigned int clockid_t;
+#if defined(__LITTLE_ENDIAN__)
+#define FIO_LITTLE_ENDIAN
+#elif defined(__BIG_ENDIAN__)
+#define FIO_BIG_ENDIAN
+#else
+#error "Undefined byte order"
+#endif
+
+#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;
 
-static inline int blockdev_invalidate_cache(int fd)
+/* 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;
+}
+
+#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)
+{
+    uint64_t temp = 1;
+    if (ioctl(f->fd, DKIOCGETBLOCKCOUNT, bytes) == -1)
+               return errno;
+    if (ioctl(f->fd, DKIOCGETBLOCKSIZE, &temp) == -1)
+               return errno;
+    (*bytes) *= temp;
+    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;
 }
@@ -35,4 +177,9 @@ static inline unsigned long long os_phys_mem(void)
        sysctl(mib, 2, &mem, &len, NULL, 0);
        return mem;
 }
+
+static inline int gettid(void)
+{
+       return mach_thread_self();
+}
 #endif