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Diffstat (limited to 'src/third_party/boost-1.56.0/boost/atomic/detail/ops_emulated.hpp')
-rw-r--r-- | src/third_party/boost-1.56.0/boost/atomic/detail/ops_emulated.hpp | 149 |
1 files changed, 0 insertions, 149 deletions
diff --git a/src/third_party/boost-1.56.0/boost/atomic/detail/ops_emulated.hpp b/src/third_party/boost-1.56.0/boost/atomic/detail/ops_emulated.hpp deleted file mode 100644 index 597490f2d7d..00000000000 --- a/src/third_party/boost-1.56.0/boost/atomic/detail/ops_emulated.hpp +++ /dev/null @@ -1,149 +0,0 @@ -/* - * 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) - * - * Copyright (c) 2014 Andrey Semashev - */ -/*! - * \file atomic/detail/ops_emulated.hpp - * - * This header contains lockpool-based implementation of the \c operations template. - */ - -#ifndef BOOST_ATOMIC_DETAIL_OPS_EMULATED_HPP_INCLUDED_ -#define BOOST_ATOMIC_DETAIL_OPS_EMULATED_HPP_INCLUDED_ - -#include <boost/memory_order.hpp> -#include <boost/atomic/detail/config.hpp> -#include <boost/atomic/detail/storage_type.hpp> -#include <boost/atomic/detail/operations_fwd.hpp> -#include <boost/atomic/detail/lockpool.hpp> -#include <boost/atomic/capabilities.hpp> - -#ifdef BOOST_HAS_PRAGMA_ONCE -#pragma once -#endif - -namespace boost { -namespace atomics { -namespace detail { - -template< typename T > -struct emulated_operations -{ - typedef T storage_type; - - static BOOST_FORCEINLINE void store(storage_type volatile& storage, storage_type v, memory_order) BOOST_NOEXCEPT - { - lockpool::scoped_lock lock(&storage); - const_cast< storage_type& >(storage) = v; - } - - static BOOST_FORCEINLINE storage_type load(storage_type const volatile& storage, memory_order) BOOST_NOEXCEPT - { - lockpool::scoped_lock lock(&storage); - return const_cast< storage_type const& >(storage); - } - - static BOOST_FORCEINLINE storage_type fetch_add(storage_type volatile& storage, storage_type v, memory_order) BOOST_NOEXCEPT - { - storage_type& s = const_cast< storage_type& >(storage); - lockpool::scoped_lock lock(&storage); - storage_type old_val = s; - s += v; - return old_val; - } - - static BOOST_FORCEINLINE storage_type fetch_sub(storage_type volatile& storage, storage_type v, memory_order) BOOST_NOEXCEPT - { - storage_type& s = const_cast< storage_type& >(storage); - lockpool::scoped_lock lock(&storage); - storage_type old_val = s; - s -= v; - return old_val; - } - - static BOOST_FORCEINLINE storage_type exchange(storage_type volatile& storage, storage_type v, memory_order) BOOST_NOEXCEPT - { - storage_type& s = const_cast< storage_type& >(storage); - lockpool::scoped_lock lock(&storage); - storage_type old_val = s; - s = v; - return old_val; - } - - static BOOST_FORCEINLINE bool compare_exchange_strong( - storage_type volatile& storage, storage_type& expected, storage_type desired, memory_order, memory_order) BOOST_NOEXCEPT - { - storage_type& s = const_cast< storage_type& >(storage); - lockpool::scoped_lock lock(&storage); - storage_type old_val = s; - const bool res = old_val == expected; - if (res) - s = desired; - expected = old_val; - - return res; - } - - static BOOST_FORCEINLINE bool compare_exchange_weak( - storage_type volatile& storage, storage_type& expected, storage_type desired, memory_order success_order, memory_order failure_order) BOOST_NOEXCEPT - { - return compare_exchange_strong(storage, expected, desired, success_order, failure_order); - } - - static BOOST_FORCEINLINE storage_type fetch_and(storage_type volatile& storage, storage_type v, memory_order) BOOST_NOEXCEPT - { - storage_type& s = const_cast< storage_type& >(storage); - lockpool::scoped_lock lock(&storage); - storage_type old_val = s; - s &= v; - return old_val; - } - - static BOOST_FORCEINLINE storage_type fetch_or(storage_type volatile& storage, storage_type v, memory_order) BOOST_NOEXCEPT - { - storage_type& s = const_cast< storage_type& >(storage); - lockpool::scoped_lock lock(&storage); - storage_type old_val = s; - s |= v; - return old_val; - } - - static BOOST_FORCEINLINE storage_type fetch_xor(storage_type volatile& storage, storage_type v, memory_order) BOOST_NOEXCEPT - { - storage_type& s = const_cast< storage_type& >(storage); - lockpool::scoped_lock lock(&storage); - storage_type old_val = s; - s ^= v; - return old_val; - } - - static BOOST_FORCEINLINE bool test_and_set(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT - { - return !!exchange(storage, (storage_type)1, order); - } - - static BOOST_FORCEINLINE void clear(storage_type volatile& storage, memory_order order) BOOST_NOEXCEPT - { - store(storage, (storage_type)0, order); - } - - static BOOST_FORCEINLINE bool is_lock_free(storage_type const volatile&) BOOST_NOEXCEPT - { - return false; - } -}; - -template< unsigned int Size, bool Signed > -struct operations : - public emulated_operations< typename make_storage_type< Size, Signed >::type > -{ -}; - -} // namespace detail -} // namespace atomics -} // namespace boost - -#endif // BOOST_ATOMIC_DETAIL_OPS_EMULATED_HPP_INCLUDED_ |