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std::unique_lock<Mutex>:: swap

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std::unique_lock
void swap ( unique_lock & other ) noexcept ;
(C++11 이후)

락 객체들의 내부 상태를 교환합니다.

목차

매개변수

other - 상태를 교환할 락

반환값

(없음)

예제

이 코드 실행 
#include <iostream>
#include <mutex>
int main()
{
    std::mutex mtx1;
    std::unique_lock<std::mutex> guard1(mtx1);
    std::unique_lock<std::mutex> guard2;
    guard2.swap(guard1);
    if (!guard1 && guard2)
        std::cout << "swapped success\n";
    return 0;
}

출력: 

swapped success

참고 항목

(C++11)
std::swap 알고리즘을 특수화함
(함수 템플릿)