src/share/vm/runtime/task.hpp

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 1997, 2008, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 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
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.

@@ -20,10 +20,15 @@
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  *
  */
 
+#ifndef SHARE_VM_RUNTIME_TASK_HPP
+#define SHARE_VM_RUNTIME_TASK_HPP
+
+#include "utilities/top.hpp"
+
 // A PeriodicTask has the sole purpose of executing its task
 // function with regular intervals.
 // Usage:
 //   PeriodicTask pf(10);
 //   pf.enroll();

@@ -111,5 +116,7 @@
   }
 
   // The task to perform at each period
   virtual void task() = 0;
 };
+
+#endif // SHARE_VM_RUNTIME_TASK_HPP