| #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/config.hpp> |
| #include <boost/smart_ptr/detail/sp_has_sync.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( __GNUC__ ) && ( defined( __i386__ ) || defined( __x86_64__ ) ) && !defined( __PATHSCALE__ ) |
| # include <boost/smart_ptr/detail/atomic_count_gcc_x86.hpp> |
| |
| #elif defined( BOOST_SP_HAS_SYNC ) |
| # include <boost/smart_ptr/detail/atomic_count_sync.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 |