C#使用Parallel类进行多线程编程实例

本文实例讲述了C#使用 Parallel 类进行多线程编程的方法。分享给大家供大家参考。具体如下:

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading;

using System.Threading.Tasks;

using System.Diagnostics;

using System.Runtime.InteropServices;

namespace Threads

{

class Program

{

[DllImport("kernel32.dll", CharSet = CharSet.Auto, SetLastError = true)]

public static extern int GetCurrentProcessorNumber();

private static int criticalSection = 0;

private static object lockObject = new object();

static void Main(string[] args)

{

Console.WriteLine("==================Sequential calls==============");

Console.WriteLine();

Target();

Target();

Target();

Target();

Target();

Target();

Target();

Target();

Console.WriteLine();

Console.WriteLine("==================Parallel calls==============");

Console.WriteLine();

Action action = new Action(Target);

Parallel.Invoke(new Action[] { action, action, action, action, action, action, action, action });

Console.ReadKey();

}

private static void Target()

{

Thread.Sleep(2000);

lock (lockObject)

{

criticalSection++;

Console.WriteLine(string.Format("Thread ID: {0} and Processor ID: " +

"{1} Critical Variable Value: {2}",

Thread.CurrentThread.ManagedThreadId,

GetCurrentProcessorNumber(), criticalSection));

}

}

}

}

希望本文所述对大家的C#程序设计有所帮助。

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