1 // Distributed under the Boost Software License, Version 1.0. (See
2 // accompanying file LICENSE_1_0.txt or copy at
3 // http://www.boost.org/LICENSE_1_0.txt)
4 // (C) Copyright 2007 Anthony Williams
5 // (C) Copyright 2011-2012 Vicente J. Botet Escriba
6 
7 #ifndef BOOST_THREAD_LOCK_OPTIONS_HPP
8 #define BOOST_THREAD_LOCK_OPTIONS_HPP
9 
10 #include <boost/config/abi_prefix.hpp>
11 
12 namespace boost
13 {
14   struct defer_lock_t
15   {
16   };
17   struct try_to_lock_t
18   {
19   };
20   struct adopt_lock_t
21   {
22   };
23 
24   BOOST_CONSTEXPR_OR_CONST defer_lock_t defer_lock = {};
25   BOOST_CONSTEXPR_OR_CONST try_to_lock_t try_to_lock = {};
26   BOOST_CONSTEXPR_OR_CONST adopt_lock_t adopt_lock = {};
27 
28 }
29 #include <boost/config/abi_suffix.hpp>
30 
31 #endif
32