#include <unistd.h>
#include <signal.h>
#include <mach/mach_init.h>
+#include <machine/endian.h>
+#include <libkern/OSByteOrder.h>
#include "../file.h"
#define OS_MAP_ANON MAP_ANON
+#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