--- a/hotspot/src/share/vm/runtime/vmThread.hpp	Tue Nov 23 15:01:43 2010 -0500
+++ b/hotspot/src/share/vm/runtime/vmThread.hpp	Tue Nov 23 13:22:55 2010 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1998, 2006, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -22,6 +22,21 @@
  *
  */
 
+#ifndef SHARE_VM_RUNTIME_VMTHREAD_HPP
+#define SHARE_VM_RUNTIME_VMTHREAD_HPP
+
+#include "runtime/perfData.hpp"
+#include "runtime/vm_operations.hpp"
+#ifdef TARGET_OS_FAMILY_linux
+# include "thread_linux.inline.hpp"
+#endif
+#ifdef TARGET_OS_FAMILY_solaris
+# include "thread_solaris.inline.hpp"
+#endif
+#ifdef TARGET_OS_FAMILY_windows
+# include "thread_windows.inline.hpp"
+#endif
+
 //
 // Prioritized queue of VM operations.
 //
@@ -144,3 +159,5 @@
   // Pointer to single-instance of VM thread
   static VMThread*     _vm_thread;
 };
+
+#endif // SHARE_VM_RUNTIME_VMTHREAD_HPP