Class MyMutex

13-Multithreading/code/deadlock_avoidance.cpp:8–16

using namespace std::literals;

class MyMutex : public std::mutex
{
public:
    void lock()
    {
        std::this_thread::sleep_for(1s);
        std::mutex::lock();
    }
};

void WorkerDeadlock(int id, MyMutex& mut1, MyMutex& mut2)
{