1 #ifndef BOOST_SMART_PTR_DETAIL_LWM_NOP_HPP_INCLUDED
2 #define BOOST_SMART_PTR_DETAIL_LWM_NOP_HPP_INCLUDED
3 
4 // MS compatible compilers support #pragma once
5 
6 #if defined(_MSC_VER) && (_MSC_VER >= 1020)
7 # pragma once
8 #endif
9 
10 //
11 //  boost/detail/lwm_nop.hpp
12 //
13 //  Copyright (c) 2002 Peter Dimov and Multi Media Ltd.
14 //
15 // Distributed under the Boost Software License, Version 1.0. (See
16 // accompanying file LICENSE_1_0.txt or copy at
17 // http://www.boost.org/LICENSE_1_0.txt)
18 //
19 
20 namespace boost
21 {
22 
23 namespace detail
24 {
25 
26 class lightweight_mutex
27 {
28 public:
29 
30     typedef lightweight_mutex scoped_lock;
31 };
32 
33 } // namespace detail
34 
35 } // namespace boost
36 
37 #endif // #ifndef BOOST_SMART_PTR_DETAIL_LWM_NOP_HPP_INCLUDED
38