1 //
2 // detail/std_mutex.hpp
3 // ~~~~~~~~~~~~~~~~~~~~
4 //
5 // Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com)
6 //
7 // Distributed under the Boost Software License, Version 1.0. (See accompanying
8 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
9 //
10 
11 #ifndef ASIO_DETAIL_STD_MUTEX_HPP
12 #define ASIO_DETAIL_STD_MUTEX_HPP
13 
14 #if defined(_MSC_VER) && (_MSC_VER >= 1200)
15 # pragma once
16 #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
17 
18 #include "asio/detail/config.hpp"
19 
20 #if defined(ASIO_HAS_STD_MUTEX_AND_CONDVAR)
21 
22 #include <mutex>
23 #include "asio/detail/noncopyable.hpp"
24 #include "asio/detail/scoped_lock.hpp"
25 
26 #include "asio/detail/push_options.hpp"
27 
28 namespace asio {
29 namespace detail {
30 
31 class std_event;
32 
33 class std_mutex
34   : private noncopyable
35 {
36 public:
37   typedef asio::detail::scoped_lock<std_mutex> scoped_lock;
38 
39   // Constructor.
std_mutex()40   std_mutex()
41   {
42   }
43 
44   // Destructor.
~std_mutex()45   ~std_mutex()
46   {
47   }
48 
49   // Lock the mutex.
lock()50   void lock()
51   {
52     mutex_.lock();
53   }
54 
55   // Unlock the mutex.
unlock()56   void unlock()
57   {
58     mutex_.unlock();
59   }
60 
61 private:
62   friend class std_event;
63   std::mutex mutex_;
64 };
65 
66 } // namespace detail
67 } // namespace asio
68 
69 #include "asio/detail/pop_options.hpp"
70 
71 #endif // defined(ASIO_HAS_STD_MUTEX_AND_CONDVAR)
72 
73 #endif // ASIO_DETAIL_STD_MUTEX_HPP
74