C#多线程同步问题---使用interlocked类

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading;

using System.Threading.Tasks;

   7:  

namespace SynchronizationSamples

   9: {

class SharedState

  11:     {

int state = 0;

object();

int State 

  15:         { 

return state;}

value; }

  18:         }

  19:  

int IncrementState()

  21:         {

ref state);

  23:  

  24:         }

  25:     }

  26:  

class Job

  28:     {

  29:         SharedState sharedState;

public Job(SharedState sharedState)

  31:         {

this.sharedState = sharedState;

  33:         }

  34:  

void DoTheJob()

  36:         {

int i = 0; i < 50000;i++ )

  38:             {

  39:                sharedState.IncrementState();

  40:             }

  41:         }

  42:     }

class Program

  44:     {

string[] args)

  46:         {

int numTasks = 20;

new SharedState();

new Task[numTasks];

  50:  

int i = 0; i < numTasks; i++)

  52:             {

new Job(state).DoTheJob);

  54:                 tasks[i].Start();

  55:             }

  56:  

int i = 0; i < numTasks;i++ )

  58:             {

  59:                 tasks[i].Wait();

  60:             }

,state.State);

  62:             Console.Read();

  63:         }

  64:     }

  65: }