boost/smart_ptr/detail/spinlock.hpp
#ifndef BOOST_SMART_PTR_DETAIL_SPINLOCK_HPP_INCLUDED #define BOOST_SMART_PTR_DETAIL_SPINLOCK_HPP_INCLUDED // MS compatible compilers support #pragma once #if defined(_MSC_VER) && (_MSC_VER >= 1020) # pragma once #endif // // boost/detail/spinlock.hpp // // Copyright (c) 2008 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) // // struct spinlock // { // void lock(); // bool try_lock(); // void unlock(); // // class scoped_lock; // }; // // #define BOOST_DETAIL_SPINLOCK_INIT <unspecified> // #include <boost/config.hpp> #include <boost/smart_ptr/detail/sp_has_sync.hpp> #if defined( BOOST_SP_USE_STD_ATOMIC ) # if !defined( __clang__ ) # include <boost/smart_ptr/detail/spinlock_std_atomic.hpp> # else // Clang (at least up to 3.4) can't compile spinlock_pool when // using std::atomic, so substitute the __sync implementation instead. # include <boost/smart_ptr/detail/spinlock_sync.hpp> # endif #elif defined( BOOST_SP_USE_PTHREADS ) # include <boost/smart_ptr/detail/spinlock_pt.hpp> #elif !defined( BOOST_NO_CXX11_HDR_ATOMIC ) # include <boost/smart_ptr/detail/spinlock_std_atomic.hpp> #elif defined(__GNUC__) && defined( __arm__ ) && !defined( __thumb__ ) # include <boost/smart_ptr/detail/spinlock_gcc_arm.hpp> #elif defined( BOOST_SP_HAS_SYNC ) # include <boost/smart_ptr/detail/spinlock_sync.hpp> #elif defined(WIN32) || defined(_WIN32) || defined(__WIN32__) || defined(__CYGWIN__) # include <boost/smart_ptr/detail/spinlock_w32.hpp> #elif defined(BOOST_HAS_PTHREADS) # include <boost/smart_ptr/detail/spinlock_pt.hpp> #elif !defined(BOOST_HAS_THREADS) # include <boost/smart_ptr/detail/spinlock_nt.hpp> #else # error Unrecognized threading platform #endif #endif // #ifndef BOOST_SMART_PTR_DETAIL_SPINLOCK_HPP_INCLUDED