vx32

commit 39b60e6a65805bf484d0c46b2f8617c190283ccb
parent a2eb7d516f7c6a824ae891f63f17eaa52ddcf053
Author: Russ Cox <rsc@swtch.com>
Date:   Thu,  3 Jul 2008 17:45:56 -0400

9vx: devfs: add OS X disksize (Anthony Sorace)

Diffstat:
M
src/9vx/devfs-posix.c
 | 
36
++++++++++++++++++++++++++++++------

1 file changed, 30 insertions(+), 6 deletions(-)
diff --git a/src/9vx/devfs-posix.c b/src/9vx/devfs-posix.c
@@ -4,16 +4,23 @@
 #include	<grp.h>	/* going to regret this - getgrgid is a stack smasher */
 #include	<sys/socket.h>
 #include	<sys/un.h>
+
 #if defined(__FreeBSD__)
-#include <sys/disk.h>
-#include <sys/disklabel.h>
-#include <sys/ioctl.h>
+#include	<sys/disk.h>
+#include	<sys/disklabel.h>
+#include	<sys/ioctl.h>
+#endif
+
+#if defined(__APPLE__)
+#include	<sys/disk.h>
 #endif
+
 #if defined(__linux__)
-#include <linux/hdreg.h>
-#include <linux/fs.h>
-#include <sys/ioctl.h>
+#include	<linux/hdreg.h>
+#include	<linux/fs.h>
+#include	<sys/ioctl.h>
 #endif
+
 #include	"lib.h"
 #include	"mem.h"
 #include	"dat.h"
@@ -907,6 +914,23 @@ disksize(int fd, struct stat *st)
 	return 0;
 }
 
+#elif defined(__APPLE__)
+
+static vlong
+disksize(int fd, int dev)
+{
+	u64int bc;
+	u32int bs;
+
+	bs = 0;
+	bc = 0;
+	ioctl(fd, DKIOCGETBLOCKSIZE, &bs);
+	ioctl(fd, DKIOCGETBLOCKCOUNT, &bc);
+	if(bs >0 && bc > 0)
+		return bc*bs;
+	return 0;
+}
+
 #else
 
 static vlong