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php爱好者> php文档>ASP.NET----定时器回调方法的重入

ASP.NET----定时器回调方法的重入

时间:2011-06-02  来源:brainmao

using System;
using System.Collections.Generic;
using System.Text;

namespace NET.MST.Sixth.Reenter
{
class Reenter
{
//用来造成线程同步问题的静态成员
private static int TestInt1=0;
private static int TestInt2 = 0;

private static object locko = new object();

static void Main(string[] args)
{
Console.WriteLine(
"System.Timers.Timer 回调方法重入测试:");
TimersTimerReenter();
//这里确保已经开始的回调方法有机会结束
System.Threading.Thread.Sleep(2 * 1000);
Console.WriteLine(
"System.Threading.Timer 回调方法重入测试:");
ThreadingTimerReenter();
Console.Read();
}
/// <summary>
/// 展示System.Timers.Timer的回调方法重入
/// </summary>
static void TimersTimerReenter()
{
System.Timers.Timer timer
= new System.Timers.Timer();
timer.Interval
= 100; //100毫秒
timer.Elapsed += TimersTimerHandler;
timer.Start();
System.Threading.Thread.Sleep(
2 * 1000); //运行2秒
timer.Stop();
}
/// <summary>
/// 展示System.Threading.Timer的回调方法重入
/// </summary>
static void ThreadingTimerReenter()
{

//100毫秒
using (System.Threading.Timer timer = new System.Threading.Timer
(
new System.Threading.TimerCallback(ThreadingTimerHandler), null, 0, 100))
{
System.Threading.Thread.Sleep(
2 * 1000); //运行2秒
}
}
/// <summary>
/// System.Timers.Timer的回调方法
/// </summary>
/// <param name="sender"></param>
/// <param name="args"></param>
private static void TimersTimerHandler(object sender,EventArgs args)
{
lock (locko)
{
Console.WriteLine(
"测试整数:" + TestInt1.ToString());
//睡眠10秒,保证方法重入
System.Threading.Thread.Sleep(300);
TestInt1
++;
Console.WriteLine(
"自增1后测试整数:" + TestInt1.ToString());
}
}
/// <summary>
/// System.Threading.Timer的回调方法
/// </summary>
/// <param name="state"></param>
private static void ThreadingTimerHandler(object state)
{
lock (locko)
{
Console.WriteLine(
"测试整数:" + TestInt2.ToString());
//睡眠10秒,保证方法重入
System.Threading.Thread.Sleep(300);
TestInt2
++;
Console.WriteLine(
"自增1后测试整数:" + TestInt2.ToString());
}
}
}
}
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