X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=os%2Fos-mac.h;h=92a60ee98766f0fc1526cd440e38a687e6cc02ae;hp=77c21656d34bfbbeb3fcec50f9fc79a5439e4cb2;hb=refs%2Ftags%2Ffio-3.1;hpb=2afd826bf6cd19900aee70ae14ede92d91b6f4c0

diff --git a/os/os-mac.h b/os/os-mac.h
index 77c21656..92a60ee9 100644
--- a/os/os-mac.h
+++ b/os/os-mac.h
@@ -1,29 +1,84 @@
 #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
-
-#ifndef CLOCK_REALTIME
-#define CLOCK_REALTIME 1
-#endif
+#include "../file.h"
 
-#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 FIO_HAVE_NATIVE_FALLOCATE
 
 #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;
+
+#ifndef CONFIG_CLOCKID_T
 typedef unsigned int clockid_t;
+#endif
 
-static inline int blockdev_invalidate_cache(int fd)
+#define FIO_OS_DIRECTIO
+static inline int fio_set_odirect(struct fio_file *f)
 {
-	return EINVAL;
+	if (fcntl(f->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 ENOTSUP;
 }
 
 static inline unsigned long long os_phys_mem(void)
@@ -36,17 +91,26 @@ static inline unsigned long long os_phys_mem(void)
 	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)
+/*
+ * For some reason, there's no header definition for fdatasync(), even
+ * if it exists.
+ */
+extern int fdatasync(int fd);
+
+static inline bool fio_fallocate(struct fio_file *f, uint64_t offset, uint64_t len)
 {
-	long val;
+	fstore_t store = {F_ALLOCATEALL, F_PEOFPOSMODE, offset, len};
+	if (fcntl(f->fd, F_PREALLOCATE, &store) != -1) {
+		if (ftruncate(f->fd, len) == 0)
+			return true;
+	}
 
-	val = rand_r(rs);
-	return val;
+	return false;
 }
 
 #endif