#include <iostream>
#include <thread>
#include <mutex>
#include <chrono> // For chrono::milliseconds

using namespace std ;

mutex myMutex;
int shared_data = 0;

void worker_function(int id)
{
    for (int i1 = 1; i1 <= 5; ++i1)
    {
        // Attempt to acquire the lock
        if (myMutex.try_lock())
        {
            // Lock acquired, perform critical section operations
            shared_data++;
            cout << "Thread " << id << " acquired lock, shared_data: " << shared_data << endl;
            myMutex.unlock(); // Release the lock
        }
        else
        {
            // Lock not acquired, perform alternative action or retry later
            cout << "Thread " << id << " could not acquire lock, doing something else..." << endl;
            // Simulate doing something else for a short period before retrying
            i1-- ;
            this_thread::sleep_for(chrono::milliseconds(50));
        }
        this_thread::sleep_for(chrono::milliseconds(100)); // Simulate some work
    }
}

int main()
{
    thread t1(worker_function, 1);
    thread t2(worker_function, 2);
    thread t3(worker_function, 3);

    t1.join();
    t2.join();
    t3.join();

    cout << "Final shared_data: " << shared_data << endl;

    return 0;
}