src/share/vm/runtime/jniPeriodicChecker.hpp

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 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 +20,13 @@
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  *
  */
 
+#ifndef SHARE_VM_RUNTIME_JNIPERIODICCHECKER_HPP
+#define SHARE_VM_RUNTIME_JNIPERIODICCHECKER_HPP
+
 class JniPeriodicCheckerTask;
 
 /*
  * This gets activated under Xcheck:jni (CheckJNICalls), and is typically
  * to detect any errors caused by JNI applications, such as signal handler,

@@ -48,5 +51,7 @@
     static void initialize();
     static void destroy();
 };
 
 void jniPeriodicChecker_exit();
+
+#endif // SHARE_VM_RUNTIME_JNIPERIODICCHECKER_HPP