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std::mutex:: ~mutex

From cppreference.net

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std::mutex
~mutex ( ) ;

ミューテックスを破棄します。

動作は未定義です。ミューテックスが任意のスレッドによって所有されている場合、または任意のスレッドがミューテックスの所有権を保持したまま終了した場合。

関連項目

C documentation for mtx_destroy