ASP.NET 定时器回调方法的重入
话不多说,请看代码:
usingSystem; usingSystem.Collections.Generic; usingSystem.Text; namespaceNET.MST.Sixth.Reenter { classReenter { //用来造成线程同步问题的静态成员 privatestaticintTestInt1=0; privatestaticintTestInt2=0; privatestaticobjectlocko=newobject(); staticvoidMain(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> staticvoidTimersTimerReenter() { System.Timers.Timertimer=newSystem.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> staticvoidThreadingTimerReenter() { //100毫秒 using(System.Threading.Timertimer=newSystem.Threading.Timer (newSystem.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> ///<paramname="sender"></param> ///<paramname="args"></param> privatestaticvoidTimersTimerHandler(objectsender,EventArgsargs) { 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> ///<paramname="state"></param> privatestaticvoidThreadingTimerHandler(objectstate) { 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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