std::declare_no_pointers

 

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智能指针 unique_ptr (C++11) shared_ptr (C++11) weak_ptr (C++11) auto_ptr (直到 C++17*) owner_less (C++11) owner_less<void> (C++17) owner_hash (C++26) owner_equal (C++26) enable_shared_from_this (C++11) bad_weak_ptr (C++11) default_delete (C++11) out_ptr_t (C++23) inout_ptr_t (C++23) 低级内存 管理 operator new operator new[] operator delete operator delete[] get_new_handler (C++11) set_new_handler launder (C++17) bad_alloc bad_array_new_length (C++11) nothrow_t align_val_t (C++17) destroying_delete_t (C++20) new_handler nothrow 其他 pointer_traits (C++11) to_address (C++20) addressof (C++11) align (C++11) assume_aligned (C++20) C 库 malloc calloc realloc    aligned_alloc (C++17) free

 

在头文件 <memory> 中定义
void declare_no_pointers( char *p, std::size_t n );		(自 C++11 起) (在 C++23 中移除)

通知垃圾收集器或内存泄漏检测器，指定内存区域（从 p 指向的字节开始的 n 个字节）不包含可跟踪指针。如果区域的任何部分位于已分配对象中，则整个区域必须包含在同一个对象中。

参数

p	-	指向范围开始的指针
n	-	范围中的字节数

返回值

(无)

异常

不抛出任何内容。

另请参阅

undeclare_no_pointers (C++11)(在 C++23 中移除)

取消 std::declare_no_pointers 的效果 (函数)