ceph/src/boost/boost/asio/detail/std_static_mutex.hpp

   1 //
   2 // detail/std_static_mutex.hpp
   3 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
   4 //
   5 // Copyright (c) 2003-2017 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 BOOST_ASIO_DETAIL_STD_STATIC_MUTEX_HPP
  12 #define BOOST_ASIO_DETAIL_STD_STATIC_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 <boost/asio/detail/config.hpp>
  19
  20 #if defined(BOOST_ASIO_HAS_STD_MUTEX_AND_CONDVAR)
  21
  22 #include <mutex>
  23 #include <boost/asio/detail/noncopyable.hpp>
  24 #include <boost/asio/detail/scoped_lock.hpp>
  25
  26 #include <boost/asio/detail/push_options.hpp>
  27
  28 namespace boost {
  29 namespace asio {
  30 namespace detail {
  31
  32 class std_event;
  33
  34 class std_static_mutex
  35   : private noncopyable
  36 {
  37 public:
  38   typedef boost::asio::detail::scoped_lock<std_static_mutex> scoped_lock;
  39
  40   // Constructor.
  41   std_static_mutex(int)
  42   {
  43   }
  44
  45   // Destructor.
  46   ~std_static_mutex()
  47   {
  48   }
  49
  50   // Initialise the mutex.
  51   void init()
  52   {
  53     // Nothing to do.
  54   }
  55
  56   // Lock the mutex.
  57   void lock()
  58   {
  59     mutex_.lock();
  60   }
  61
  62   // Unlock the mutex.
  63   void unlock()
  64   {
  65     mutex_.unlock();
  66   }
  67
  68 private:
  69   friend class std_event;
  70   std::mutex mutex_;
  71 };
  72
  73 #define BOOST_ASIO_STD_STATIC_MUTEX_INIT 0
  74
  75 } // namespace detail
  76 } // namespace asio
  77 } // namespace boost
  78
  79 #include <boost/asio/detail/pop_options.hpp>
  80
  81 #endif // defined(BOOST_ASIO_HAS_STD_MUTEX_AND_CONDVAR)
  82
  83 #endif // BOOST_ASIO_DETAIL_STD_STATIC_MUTEX_HPP