action， CharSet = CharSet.Auto， criticalSection));}} }} ， action， action。

action。

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"， action。

action， 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，Thread.CurrentThread.ManagedThreadId，GetCurrentProcessorNumber()， 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}"，。