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- #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/sp_has_gcc_intrinsics.hpp>
- #include <boost/smart_ptr/detail/sp_has_sync_intrinsics.hpp>
- #include <boost/config.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_AC_USE_SPINLOCK )
- # include <boost/smart_ptr/detail/atomic_count_spin.hpp>
- #elif defined( BOOST_AC_USE_PTHREADS )
- # include <boost/smart_ptr/detail/atomic_count_pt.hpp>
- #elif defined( BOOST_SP_DISABLE_THREADS )
- # include <boost/smart_ptr/detail/atomic_count_nt.hpp>
- #elif defined( BOOST_SP_USE_STD_ATOMIC )
- # include <boost/smart_ptr/detail/atomic_count_std_atomic.hpp>
- #elif defined( BOOST_SP_USE_SPINLOCK )
- # include <boost/smart_ptr/detail/atomic_count_spin.hpp>
- #elif defined( BOOST_SP_USE_PTHREADS )
- # include <boost/smart_ptr/detail/atomic_count_pt.hpp>
- #elif defined( BOOST_DISABLE_THREADS ) && !defined( BOOST_SP_ENABLE_THREADS ) && !defined( BOOST_DISABLE_WIN32 )
- # include <boost/smart_ptr/detail/atomic_count_nt.hpp>
- #elif defined( BOOST_SP_HAS_GCC_INTRINSICS )
- # include <boost/smart_ptr/detail/atomic_count_gcc_atomic.hpp>
- #elif !defined( BOOST_NO_CXX11_HDR_ATOMIC )
- # include <boost/smart_ptr/detail/atomic_count_std_atomic.hpp>
- #elif defined( BOOST_SP_HAS_SYNC_INTRINSICS )
- # include <boost/smart_ptr/detail/atomic_count_sync.hpp>
- #elif defined( __GNUC__ ) && ( defined( __i386__ ) || defined( __x86_64__ ) ) && !defined( __PATHSCALE__ )
- # include <boost/smart_ptr/detail/atomic_count_gcc_x86.hpp>
- #elif defined(WIN32) || defined(_WIN32) || defined(__WIN32__) || defined(__CYGWIN__)
- # include <boost/smart_ptr/detail/atomic_count_win32.hpp>
- #elif defined(__GLIBCPP__) || defined(__GLIBCXX__)
- # include <boost/smart_ptr/detail/atomic_count_gcc.hpp>
- #elif !defined( BOOST_HAS_THREADS )
- # include <boost/smart_ptr/detail/atomic_count_nt.hpp>
- #else
- # include <boost/smart_ptr/detail/atomic_count_spin.hpp>
- #endif
- #endif // #ifndef BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_HPP_INCLUDED
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