using System;
using System.Diagnostics;
using System.Threading;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            Thread[] threads = new Thread[2];
            for (int i = 0; i < threads.Length; i++)
            {
                threads[i] = new Thread(new ParameterizedThreadStart(Run));
                threads[i].Start(i);
            }
        }

        private static string uniqueID = "unique name";
        private static void Run(object state)
        {
            while (true)
            {
                bool createdNew;
                using (System.Threading.Mutex mutex = new System.Threading.Mutex(true, uniqueID, out createdNew))
                {
                    if (!createdNew)
                    {
                        //如果互斥对象被别的线程构建，等待互斥对象被释放
                        Console.WriteLine("Thread {0} Entry Wating...", state);
                        Debug.WriteLine("Thread {0} Entry Wating...", state);
                        mutex.WaitOne();
                        Console.WriteLine("Thread {0} Exit Wating...", state);
                        Debug.WriteLine("Thread {0} Exit Wating...", state);
                    }
                }
                int working = new Random().Next(1000, 3000);
                Console.WriteLine("Thread {0} Do Something for {1}...", state, working);
                Debug.WriteLine("Thread {0} Do Something for {1}...", state, working);
                Thread.Sleep(working);
                Console.WriteLine("Thread {0} Do Something ok for {1}...", state, working);
                Debug.WriteLine("Thread {0} Do Something ok for {1}...", state, working);

                bool critical = new Random().Next(1000, 3000) % 10 == 0;
                if (critical)
                {
                    Console.WriteLine("Thread {0} Entry critical...", state);
                    while (true)
                    {
                        using (System.Threading.Mutex mutex = new System.Threading.Mutex(true, uniqueID, out createdNew))
                        {
                            if (!createdNew)
                            {
                                //如果互斥对象被别的线程构建，等待互斥对象被释放
                                Console.WriteLine("Thread {0} Entry Wating for critical...", state);
                                Debug.WriteLine("Thread {0} Entry Wating for critical...", state);
                                mutex.WaitOne();
                                Console.WriteLine("Thread {0} Exit Wating for critical...", state);
                                Debug.WriteLine("Thread {0} Exit Wating for critical...", state);
                            }
                            else
                            {
                                working = new Random().Next(1000, 3000);
                                Console.WriteLine("Thread {0} Do critical Something for {1}...", state, working);
                                Debug.WriteLine("Thread {0} Do critical Something for {1}...", state, working);
                                Thread.Sleep(working);
                                Console.WriteLine("Thread {0} Do critical Something ok for {1}...", state, working);
                                Debug.WriteLine("Thread {0} Do critical Something ok for {1}...", state, working);
                                mutex.ReleaseMutex();
                                break;
                            }
                        }
                    }
                }
            }
        }
    }



}