X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=os%2Fos-mac.h;h=7446a43d47e8c842a72b5b4e2e4469184ce4a974;hb=8eb016d3727522d580d4dd463aefef58b7ecdb00;hp=1a0a8875fc090742212012356393ee5baacb283d;hpb=7ed4d7abf0d7720d532d9680ebf69745d9270a5e;p=fio.git

diff --git a/os/os-mac.h b/os/os-mac.h
index 1a0a8875..7446a43d 100644
--- a/os/os-mac.h
+++ b/os/os-mac.h
@@ -2,6 +2,8 @@
 #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>
@@ -19,11 +21,16 @@
 
 #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
 
+/*
+ * 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. 
@@ -107,6 +114,25 @@ 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 blockdev_invalidate_cache(struct fio_file *f)
 {
 	return EINVAL;