//1.对齐空间分配//alignment对齐边界 2的幂//size 字节数void* storage = boost::alignment::aligned_alloc(alignment, size);//释放空间boost::alignment::aligned_free(storage);//2.对齐分配器allocator//遵循over-alignment的分配std::vector<int128_t, boost::alignment::aligned_allocator<int128_t> > ...
从理论上讲似乎对任何类型的变量的访问可以从任何地址开始,但实际情况是在访问特定变量的时候经常在特定...
为了避免这个问题,可以在在应用程序中创建一个内存块供asio异步IO操作使用,异步IO操作通过自定义接口 asio_handler_allocate 和 asio_handler_deallocate 来使用该内存块。该例子中使用到了 boost::aligned_storage<1024> storage_ 来管理原始内存。 cpp03 1//2//server.cpp3//~~~4//5//Copyright (c) 2003-2...
boost::aligned_storage<1024> storage_; // Whether the handler-based custom allocation storage has been used. bool in_use_; }; template <typename Handler> class custom_alloc_handler { public: custom_alloc_handler(handler_allocator& a, Handler h) : allocator_(a), handler_(h) { } template...
boost::aligned_storage<1024> storage_; // Whether the handler-based custom allocation storage has been used. bool in_use_; }; template <typename Handler> class custom_alloc_handler { public: custom_alloc_handler(handler_allocator& a, Handler h) ...
typedef boost::unordered_map<int, Leaf, boost::hash<int>, std::equal_to<int>, Eigen::aligned_allocator<int> > HashMap; typedef std::unordered_map<int, Leaf, std::hash<int>, std::equal_to<int>, Eigen::aligned_allocator<std::pair<const int, Leaf>>> HashMap; /** \brief Construct...
#8468: Compile error on visual studio 2010/2012 using vector with custom allocator and aligned types #9332: "has_member_function_callable_with.hpp compile error on msvc-12.0". #9650: "intrusive list with stateful value traits". #9746: Modern Sun CC compiler detects error in intrusive ...
boost::aligned_storage<1024> storage_; // Whether the handler-based custom allocation storage has been used. bool in_use_; }; template <typename Handler> class custom_alloc_handler { public: custom_alloc_handler(handler_allocator& a, Handler h) ...
97 // template<typename Allocator> 98 // basic_string_ref( std::basic_string<charT, traits, Allocator>&&) 99 // = delete; 100 // #endif 101 Upgrade to boost 1.62.0 6 years ago 102 BOOST_CONSTEXPR basic_string_ref(const charT* str, size_type len) BOOST_NOEXCEPT initial comm...
< The number of chunks to allocate on the first allocation.private:singleton_pool();#ifndefBOOST_DOXYGENstructpool_type:public Mutex,public pool<UserAllocator>{pool_type():pool<UserAllocator>(RequestedSize,NextSize,MaxSize){}};// struct pool_type: Mutex#else/// This is invoked when we build...