Using KeyLocker

KeyLockerExample.cs

class KeyLockerExample
{
    static readonly ThreadState[] StopStates = { ThreadState.AbortRequested, ThreadState.Aborted };

    static void Main()
    {
        var threads = new List<Thread>();
        var sw = new Stopwatch();
        var timelimit = new TimeSpan(0, 0, 30);

        threads.Add(new Thread(x => DoLocking(1)));
        threads.Add(new Thread(x => DoLocking(2)));
        threads.Add(new Thread(x => DoLocking(3)));

        sw.Start();
        threads.ForEach(x => x.Start());
        while (sw.Elapsed < timelimit)
        {
            Thread.Sleep(100);
        }
        threads.ForEach(x => x.Abort());

        Console.WriteLine("Done!");
        Console.ReadKey();
    }

    static void DoLocking(int threadId)
    {
        var r = new Random(threadId);
        while (!StopStates.Contains(Thread.CurrentThread.ThreadState))
        {
            var i = r.Next(1, 3);
            using (new KeyLocker(i))
            {
                Console.WriteLine("Thread " + threadId + " Locked " + i + " at " + DateTime.Now);
                Thread.Sleep(2000);
            }
        }
    }
}