C# Lock、Monitor避免死锁

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading;

namespace ConsoleApplication1 {

class Program     {

static void Main(string[] args)

{

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("Acquires a protected resource successfully");

}

else

{

　　　　　　Console.WriteLine("timeout acquiring a resource!");

}

　　　　}

new Thread(() => LockTooMuch(lock1, lock2)).Start();

Console.WriteLine("--------------------------------");

lock (lock2)             {

Console.WriteLine("This is a deadlock");

Thread.Sleep(1000);

lock (lock1)

{

　　　　　　Console.WriteLine("Acquired a protected resource successfully");

}

}

}

static void LockTooMuch(object lock1, object lock2)

{

lock (lock1)

{

Thread.Sleep(1000);

lock (lock2) ;

}

}

}

}