src/os/linux/vm/os_linux.hpp

*** 1,7 ****
  /*
!  * Copyright (c) 1999, 2009, 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.
--- 1,7 ----
  /*
!  * 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.
*** 20,29 ****
--- 20,32 ----
   * 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 *);
  
*** 326,330 ****
--- 329,335 ----
        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