std::counting_semaphore<LeastMaxValue>::acquire

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std::counting_semaphore
 
void acquire();
 (since C++20)

Atomically decrements the internal counter by 1 if it is greater than ​0​; otherwise blocks until it is greater than ​0​ and can successfully decrement the internal counter.

Preconditions

(none)

Parameters

(none)

Exceptions

May throw std::system_error.

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