std::get_new_handler

 

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函数

operator newoperator new[]

operator deleteoperator delete[]

get_new_handler (C++11)

set_new_handler

类

bad_alloc

bad_array_new_length (C++11)

align_val_t (C++17)

类型

new_handler

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nothrow

destroying_delete (C++20)

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launder (C++17)

 

定义于头文件 <new>
std::new_handler get_new_handler() noexcept;		(C++11 起)

返回当前安装的new-handler，可能为空指针。

此函数是线程安全的。std::set_new_handler 的前一次调用与后续的 std::get_new_handler 调用 同步 (见 std::memory_order)。

参数

(无)

返回值

当前安装的 new-handler，可能为空指针值。

参阅

operator newoperator new[]	分配函数 (函数)
set_new_handler	注册一个 new 处理函数 (函数)
new_handler	new 处理函数的函数指针类型 (typedef)