63 lines
1.6 KiB
C++
63 lines
1.6 KiB
C++
|
#ifndef BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_HPP_INCLUDED
|
||
|
|
#define BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_HPP_INCLUDED
|
||
|
|
|
||
|
|
// MS compatible compilers support #pragma once
|
||
|
|
|
||
|
|
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
|
||
|
|
# pragma once
|
||
|
|
#endif
|
||
|
|
|
||
|
|
//
|
||
|
|
// boost/detail/atomic_count.hpp - thread/SMP safe reference counter
|
||
|
|
//
|
||
|
|
// Copyright (c) 2001, 2002 Peter Dimov and Multi Media Ltd.
|
||
|
|
// Copyright (c) 2013 Peter Dimov
|
||
|
|
//
|
||
|
|
// Distributed under the Boost Software License, Version 1.0.
|
||
|
|
// See accompanying file LICENSE_1_0.txt or copy at
|
||
|
|
// http://www.boost.org/LICENSE_1_0.txt
|
||
|
|
//
|
||
|
|
// typedef <implementation-defined> boost::detail::atomic_count;
|
||
|
|
//
|
||
|
|
// atomic_count a(n);
|
||
|
|
//
|
||
|
|
// (n is convertible to long)
|
||
|
|
//
|
||
|
|
// Effects: Constructs an atomic_count with an initial value of n
|
||
|
|
//
|
||
|
|
// a;
|
||
|
|
//
|
||
|
|
// Returns: (long) the current value of a
|
||
|
|
// Memory Ordering: acquire
|
||
|
|
//
|
||
|
|
// ++a;
|
||
|
|
//
|
||
|
|
// Effects: Atomically increments the value of a
|
||
|
|
// Returns: (long) the new value of a
|
||
|
|
// Memory Ordering: acquire/release
|
||
|
|
//
|
||
|
|
// --a;
|
||
|
|
//
|
||
|
|
// Effects: Atomically decrements the value of a
|
||
|
|
// Returns: (long) the new value of a
|
||
|
|
// Memory Ordering: acquire/release
|
||
|
|
//
|
||
|
|
|
||
|
|
#include <boost/smart_ptr/detail/deprecated_macros.hpp>
|
||
|
|
|
||
|
|
#if defined( BOOST_AC_DISABLE_THREADS )
|
||
|
|
# include <boost/smart_ptr/detail/atomic_count_nt.hpp>
|
||
|
|
|
||
|
|
#elif defined( BOOST_AC_USE_STD_ATOMIC )
|
||
|
|
# include <boost/smart_ptr/detail/atomic_count_std_atomic.hpp>
|
||
|
|
|
||
|
|
#elif defined( BOOST_SP_DISABLE_THREADS )
|
||
|
|
# include <boost/smart_ptr/detail/atomic_count_nt.hpp>
|
||
|
|
|
||
|
|
#else
|
||
|
|
# include <boost/smart_ptr/detail/atomic_count_std_atomic.hpp>
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif // #ifndef BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_HPP_INCLUDED
|