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std::latch:: wait

From cppreference.net
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std::latch
void wait ( ) const ;
(C++20부터)

호출 스레드는 내부 카운터가 ​ 0 ​ 에 도달할 때까지 차단됩니다. 이미 0이라면 즉시 반환됩니다.

매개변수

(없음)

반환값

(없음)

예외

오류 발생 시 뮤텍스 타입에 허용되는 에러 코드와 함께 std::system_error 를 발생시킵니다.