std::pmr::unsynchronized_pool_resource::release

 

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技术规范

 

动态内存管理

智能指针 unique_ptr (C++11) shared_ptr (C++11) weak_ptr (C++11) auto_ptr (C++17 前) owner_less (C++11) enable_shared_from_this (C++11) bad_weak_ptr (C++11) default_delete (C++11) 分配器 allocator allocator_traits (C++11) allocator_arg_t (C++11) allocator_arg (C++11) uses_allocator (C++11) uses_allocator_construction_args (C++20) make_obj_using_allocator (C++20) uninitialized_construct_using_allocator (C++20) scoped_allocator_adaptor (C++11) pmr::polymorphic_allocator (C++17) 内存资源 pmr::memory_resource (C++17) pmr::get_default_resource (C++17) pmr::set_default_resource (C++17) pmr::new_delete_resource (C++17) pmr::null_memory_resource (C++17) pmr::synchronized_pool_resource (C++17) pmr::unsynchronized_pool_resource (C++17) pmr::monotonic_buffer_resource (C++17) pmr::pool_options (C++17)

未初始化存储 uninitialized_copy uninitialized_fill uninitialized_move (C++17) uninitialized_default_construct (C++17) uninitialized_value_construct (C++17) destroy (C++17) uninitialized_copy_n (C++11) uninitialized_fill_n uninitialized_move_n (C++17) uninitialized_default_construct_n (C++17) uninitialized_value_construct_n (C++17) destroy_n (C++17) destroy_at (C++17) raw_storage_iterator (C++20 前) get_temporary_buffer (C++20 前) return_temporary_buffer (C++20 前) 垃圾收集支持 declare_reachable (C++11) undeclare_reachable (C++11) declare_no_pointers (C++11) undeclare_no_pointers (C++11) pointer_safety (C++11) get_pointer_safety (C++11) 杂项 pointer_traits (C++11) to_address (C++20) addressof (C++11) align (C++11) assume_aligned (C++20) C 库 malloc aligned_alloc (C++17) calloc realloc free 低层内存管理

 

std::pmr::unsynchronized_pool_resource

unsynchronized_pool_resource::unsynchronized_pool_resource

unsynchronized_pool_resource::~unsynchronized_pool_resource

公开成员函数

unsynchronized_pool_resource::release

unsynchronized_pool_resource::upstream_resource

unsynchronized_pool_resource::options

受保护成员函数

unsynchronized_pool_resource::do_allocate

unsynchronized_pool_resource::do_deallocate

unsynchronized_pool_resource::do_is_equal

 

void release();		(C++17 起)

需要时，通过调用上游 memory_resource 的 deallocate 函数，释放所有此资源所占有的内存。

即使未对某些被分配块调用 deallocate ，资源也被返还给上游 memory_resource 。

参阅

deallocate

解分配内存 (std::pmr::memory_resource 的公开成员函数)