std::get_new_handler

 

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低階記憶體管理

函式

operator newoperator new[]

operator deleteoperator delete[]

get_new_handler (C++11)

set_new_handler

類

bad_alloc

bad_array_new_length (C++11)

align_val_t (C++17)

型別

new_handler

物件

nothrow

destroying_delete (C++20)

物件訪問

launder (C++17)

 

定義於標頭檔案 <new>
std::new_handler get_new_handler() noexcept;		(C++11 起)

返回當前安裝的new-handler，可能為空指標。

此函式是執行緒安全的。std::set_new_handler 的前一次呼叫與後續的 std::get_new_handler 呼叫 同步 (見 std::memory_order)。

引數

(無)

返回值

當前安裝的 new-handler，可能為空指標值。

參閱

operator newoperator new[]	分配函式 (函式)
set_new_handler	註冊一個 new 處理函式 (函式)
new_handler	new 處理函式的函式指標型別 (typedef)