src/os/linux/vm/os_linux.hpp

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 1999, 2009, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 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 OS_LINUX_VM_OS_LINUX_HPP
+#define OS_LINUX_VM_OS_LINUX_HPP
+
 // Linux_OS defines the interface to Linux operating systems
 
 /* pthread_getattr_np comes with LinuxThreads-0.9-7 on RedHat 7.1 */
 typedef int (*pthread_getattr_func_type) (pthread_t, pthread_attr_t *);
 

@@ -326,5 +329,7 @@
       assert_status(status == 0, status, "cond_init");
       status = pthread_mutex_init (_mutex, NULL);
       assert_status(status == 0, status, "mutex_init");
     }
 } ;
+
+#endif // OS_LINUX_VM_OS_LINUX_HPP