src/os_cpu/linux_x86/vm/threadLS_linux_x86.hpp

*** 1,7 ****
  /*
!  * Copyright (c) 1999, 2003, 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_CPU_LINUX_X86_VM_THREADLS_LINUX_X86_HPP
+ #define OS_CPU_LINUX_X86_VM_THREADLS_LINUX_X86_HPP
+ 
    // Processor dependent parts of ThreadLocalStorage
  
  #ifndef AMD64
    // map stack pointer to thread pointer - see notes in threadLS_linux_x86.cpp
    #define SP_BITLENGTH  32
*** 45,49 ****
--- 48,54 ----
      uintptr_t sp;
      __asm__ volatile ("movl %%esp, %0" : "=r" (sp));
      return _sp_map[sp >> PAGE_SHIFT];
  #endif // AMD64
    }
+ 
+ #endif // OS_CPU_LINUX_X86_VM_THREADLS_LINUX_X86_HPP