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std::unique_lock<Mutex>:: swap

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

Échange les états internes des objets de verrouillage.

Table des matières

Paramètres

autre - le verrou avec lequel échanger l'état

Valeur de retour

(aucun)

Exemple

Exécuter ce code 
#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;
}

Sortie : 

swapped success

Voir aussi

(C++11)
spécialise l'algorithme std::swap
(fonction template)