多线程07-Monitor.TryEnter

    class Program
    {
        static void Main()
        {
            object lock1 = new object();
            object lock2 = new object();
            new Thread(() => LockTooMuch(lock1, lock2)).Start();
            lock (lock2)
            {
                Thread.Sleep(1000);
                Console.WriteLine("Monitor.TryEnter allows not to get stuck,returning false after a specified timeout is elapsed");
                if (Monitor.TryEnter(lock1, TimeSpan.FromSeconds(5)))
                {
                    Console.WriteLine("Acquired a protected resourece success");
                }
                else
                {
                    Console.WriteLine("time out to get a resource");
                }
            }
            new Thread(() => LockTooMuch(lock1, lock2)).Start();

            lock (lock2)
            {
                Console.WriteLine("this will be a deadlock");
                Thread.Sleep(1000);
                lock (lock1)
                {
                    Console.WriteLine("Acquired a protected resourece success");
                }
            }


        }
        static void LockTooMuch(object lock1, object lock2)
        {
            lock (lock1)
            {
                Thread.Sleep(1000);
                lock (lock2)
                {

                }
            }
        }

    }