Esempio Thread C++11

#include <iostream>
#include <thread>
#include <chrono>
#include <random>

using namespace std;

void attesa() {
    std::random_device rd;
    std::mt19937 gen(rd()); // seed the generator
    std::uniform_int_distribution<> distr(1, 1000);
    std::this_thread::sleep_for(std::chrono::milliseconds(distr(gen)));
}

void funzione(string nome)
{
    for (int i = 0; i < 10; i++) {
        attesa();
        cout << "funzione " <<i << " " <<nome << endl;
    }
}

class oggetto {
public:
    void operator()(string nome)
    {
        for (int i = 0; i < 10; i++) {
            attesa();
            cout << "oggetto " <<i << " " <<nome << endl;
        }
    }
};

int main()
{
    thread th1(funzione, "Pippo");
    thread th2(oggetto(), "Pluto");

    // Espressione Lambda
    auto lambda = [](string nome) {
        for (int i = 0; i < 10; i++) {
            attesa();
            cout << "lambda " <<i << " " <<nome << endl;
        }
    };
    thread th3(lambda, "Paperino");

    th1.join();
    th2.join();
    th3.join();

    return 0;
}