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std::latch:: wait

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

Blockiert den aufrufenden Thread, bis der interne Zähler ​ 0 ​ erreicht. Falls er bereits null ist, wird sofort zurückgekehrt.

Parameter

(keine)

Rückgabewert

(keine)

Ausnahmen

Wirft std::system_error mit einem für Mutex-Typen zulässigen Fehlercode bei Fehler.