comparison DEPENDENCIES/generic/include/boost/atomic/atomic.hpp @ 16:2665513ce2d3

Add boost headers

+#ifndef BOOST_ATOMIC_ATOMIC_HPP
+#define BOOST_ATOMIC_ATOMIC_HPP
+
+//  Copyright (c) 2011 Helge Bahmann
+//  Copyright (c) 2013 Tim Blechmann
+//
+//  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)
+
+#include <cstddef>
+#include <boost/cstdint.hpp>
+
+#include <boost/memory_order.hpp>
+
+#include <boost/atomic/detail/config.hpp>
+#include <boost/atomic/detail/platform.hpp>
+#include <boost/atomic/detail/type-classification.hpp>
+#include <boost/type_traits/is_signed.hpp>
+#if defined(BOOST_MSVC) && BOOST_MSVC < 1400
+#include <boost/type_traits/is_integral.hpp>
+#include <boost/mpl/and.hpp>
+#endif
+
+#ifdef BOOST_HAS_PRAGMA_ONCE
+#pragma once
+#endif
+
+namespace boost {
+
+#ifndef BOOST_ATOMIC_CHAR_LOCK_FREE
+#define BOOST_ATOMIC_CHAR_LOCK_FREE 0
+#endif
+
+#ifndef BOOST_ATOMIC_CHAR16_T_LOCK_FREE
+#define BOOST_ATOMIC_CHAR16_T_LOCK_FREE 0
+#endif
+
+#ifndef BOOST_ATOMIC_CHAR32_T_LOCK_FREE
+#define BOOST_ATOMIC_CHAR32_T_LOCK_FREE 0
+#endif
+
+#ifndef BOOST_ATOMIC_WCHAR_T_LOCK_FREE
+#define BOOST_ATOMIC_WCHAR_T_LOCK_FREE 0
+#endif
+
+#ifndef BOOST_ATOMIC_SHORT_LOCK_FREE
+#define BOOST_ATOMIC_SHORT_LOCK_FREE 0
+#endif
+
+#ifndef BOOST_ATOMIC_INT_LOCK_FREE
+#define BOOST_ATOMIC_INT_LOCK_FREE 0
+#endif
+
+#ifndef BOOST_ATOMIC_LONG_LOCK_FREE
+#define BOOST_ATOMIC_LONG_LOCK_FREE 0
+#endif
+
+#ifndef BOOST_ATOMIC_LLONG_LOCK_FREE
+#define BOOST_ATOMIC_LLONG_LOCK_FREE 0
+#endif
+
+#ifndef BOOST_ATOMIC_INT128_LOCK_FREE
+#define BOOST_ATOMIC_INT128_LOCK_FREE 0
+#endif
+
+#ifndef BOOST_ATOMIC_POINTER_LOCK_FREE
+#define BOOST_ATOMIC_POINTER_LOCK_FREE 0
+#endif
+
+#define BOOST_ATOMIC_ADDRESS_LOCK_FREE BOOST_ATOMIC_POINTER_LOCK_FREE
+
+#ifndef BOOST_ATOMIC_BOOL_LOCK_FREE
+#define BOOST_ATOMIC_BOOL_LOCK_FREE 0
+#endif
+
+#ifndef BOOST_ATOMIC_THREAD_FENCE
+#define BOOST_ATOMIC_THREAD_FENCE 0
+inline void atomic_thread_fence(memory_order)
+{
+}
+#endif
+
+#ifndef BOOST_ATOMIC_SIGNAL_FENCE
+#define BOOST_ATOMIC_SIGNAL_FENCE 0
+inline void atomic_signal_fence(memory_order order)
+{
+    atomic_thread_fence(order);
+}
+#endif
+
+template<typename T>
+class atomic :
+    public atomics::detail::base_atomic<
+        T,
+        typename atomics::detail::classify<T>::type,
+        atomics::detail::storage_size_of<T>::value,
+#if !defined(BOOST_MSVC) || BOOST_MSVC >= 1400
+        boost::is_signed<T>::value
+#else
+        // MSVC 2003 has problems instantiating is_signed on non-integral types
+        mpl::and_< boost::is_integral<T>, boost::is_signed<T> >::value
+#endif
+    >
+{
+private:
+    typedef T value_type;
+    typedef atomics::detail::base_atomic<
+        T,
+        typename atomics::detail::classify<T>::type,
+        atomics::detail::storage_size_of<T>::value,
+#if !defined(BOOST_MSVC) || BOOST_MSVC >= 1400
+        boost::is_signed<T>::value
+#else
+        // MSVC 2003 has problems instantiating is_signed on non-itegral types
+        mpl::and_< boost::is_integral<T>, boost::is_signed<T> >::value
+#endif
+    > super;
+    typedef typename super::value_arg_type value_arg_type;
+
+public:
+    BOOST_DEFAULTED_FUNCTION(atomic(void), BOOST_NOEXCEPT {})
+
+    // NOTE: The constructor is made explicit because gcc 4.7 complains that
+    //       operator=(value_arg_type) is considered ambiguous with operator=(atomic const&)
+    //       in assignment expressions, even though conversion to atomic<> is less preferred
+    //       than conversion to value_arg_type.
+    explicit BOOST_CONSTEXPR atomic(value_arg_type v) BOOST_NOEXCEPT : super(v) {}
+
+    value_type operator=(value_arg_type v) volatile BOOST_NOEXCEPT
+    {
+        this->store(v);
+        return v;
+    }
+
+    operator value_type(void) volatile const BOOST_NOEXCEPT
+    {
+        return this->load();
+    }
+
+    BOOST_DELETED_FUNCTION(atomic(atomic const&))
+    BOOST_DELETED_FUNCTION(atomic& operator=(atomic const&) volatile)
+};
+
+typedef atomic<char> atomic_char;
+typedef atomic<unsigned char> atomic_uchar;
+typedef atomic<signed char> atomic_schar;
+typedef atomic<uint8_t> atomic_uint8_t;
+typedef atomic<int8_t> atomic_int8_t;
+typedef atomic<unsigned short> atomic_ushort;
+typedef atomic<short> atomic_short;
+typedef atomic<uint16_t> atomic_uint16_t;
+typedef atomic<int16_t> atomic_int16_t;
+typedef atomic<unsigned int> atomic_uint;
+typedef atomic<int> atomic_int;
+typedef atomic<uint32_t> atomic_uint32_t;
+typedef atomic<int32_t> atomic_int32_t;
+typedef atomic<unsigned long> atomic_ulong;
+typedef atomic<long> atomic_long;
+typedef atomic<uint64_t> atomic_uint64_t;
+typedef atomic<int64_t> atomic_int64_t;
+#ifdef BOOST_HAS_LONG_LONG
+typedef atomic<boost::ulong_long_type> atomic_ullong;
+typedef atomic<boost::long_long_type> atomic_llong;
+#endif
+typedef atomic<void*> atomic_address;
+typedef atomic<bool> atomic_bool;
+typedef atomic<wchar_t> atomic_wchar_t;
+#if !defined(BOOST_NO_CXX11_CHAR16_T)
+typedef atomic<char16_t> atomic_char16_t;
+#endif
+#if !defined(BOOST_NO_CXX11_CHAR32_T)
+typedef atomic<char32_t> atomic_char32_t;
+#endif
+
+typedef atomic<int_least8_t> atomic_int_least8_t;
+typedef atomic<uint_least8_t> atomic_uint_least8_t;
+typedef atomic<int_least16_t> atomic_int_least16_t;
+typedef atomic<uint_least16_t> atomic_uint_least16_t;
+typedef atomic<int_least32_t> atomic_int_least32_t;
+typedef atomic<uint_least32_t> atomic_uint_least32_t;
+typedef atomic<int_least64_t> atomic_int_least64_t;
+typedef atomic<uint_least64_t> atomic_uint_least64_t;
+typedef atomic<int_fast8_t> atomic_int_fast8_t;
+typedef atomic<uint_fast8_t> atomic_uint_fast8_t;
+typedef atomic<int_fast16_t> atomic_int_fast16_t;
+typedef atomic<uint_fast16_t> atomic_uint_fast16_t;
+typedef atomic<int_fast32_t> atomic_int_fast32_t;
+typedef atomic<uint_fast32_t> atomic_uint_fast32_t;
+typedef atomic<int_fast64_t> atomic_int_fast64_t;
+typedef atomic<uint_fast64_t> atomic_uint_fast64_t;
+typedef atomic<intmax_t> atomic_intmax_t;
+typedef atomic<uintmax_t> atomic_uintmax_t;
+
+typedef atomic<std::size_t> atomic_size_t;
+typedef atomic<std::ptrdiff_t> atomic_ptrdiff_t;
+
+#if defined(BOOST_HAS_INTPTR_T)
+typedef atomic<intptr_t> atomic_intptr_t;
+typedef atomic<uintptr_t> atomic_uintptr_t;
+#endif
+
+#ifndef BOOST_ATOMIC_FLAG_LOCK_FREE
+#define BOOST_ATOMIC_FLAG_LOCK_FREE 0
+class atomic_flag
+{
+public:
+    BOOST_CONSTEXPR atomic_flag(void) BOOST_NOEXCEPT : v_(false) {}
+
+    bool
+    test_and_set(memory_order order = memory_order_seq_cst) BOOST_NOEXCEPT
+    {
+        return v_.exchange(true, order);
+    }
+
+    void
+    clear(memory_order order = memory_order_seq_cst) volatile BOOST_NOEXCEPT
+    {
+        v_.store(false, order);
+    }
+
+    BOOST_DELETED_FUNCTION(atomic_flag(atomic_flag const&))
+    BOOST_DELETED_FUNCTION(atomic_flag& operator=(atomic_flag const&))
+
+private:
+    atomic<bool> v_;
+};
+#endif
+
+}
+
+#endif