Csharp/C Sharp/Thread/Thread Abort — различия между версиями

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Текущая версия на 11:42, 26 мая 2010

Using Abort(object)

/*
C#: The Complete Reference 
by Herbert Schildt 
Publisher: Osborne/McGraw-Hill (March 8, 2002)
ISBN: 0072134852
*/

// Using Abort(object). 
 
using System; 
using System.Threading; 
 
class MyThread {  
  public Thread thrd;  
    
  public MyThread(string name) {  
    thrd = new Thread(new ThreadStart(this.run)); 
    thrd.Name = name; 
    thrd.Start();  
  }  
  
  // This is the entry point for thread.  
  void run() {  
    try { 
      Console.WriteLine(thrd.Name + " starting."); 
 
      for(int i = 1; i <= 1000; i++) {  
        Console.Write(i + " ");  
        if((i%10)==0) { 
          Console.WriteLine(); 
          Thread.Sleep(250); 
        } 
      } 
      Console.WriteLine(thrd.Name + " exiting normally.");  
    } catch(ThreadAbortException exc) { 
      Console.WriteLine("Thread aborting, code is " + 
                         exc.ExceptionState); 
    } 
  }  
} 
  
public class UseAltAbort {  
  public static void Main() {  
    MyThread mt1 = new MyThread("My Thread");  
 
    Thread.Sleep(1000); // let child thread start executing 
 
    Console.WriteLine("Stopping thread.");  
    mt1.thrd.Abort(100); 
 
    mt1.thrd.Join(); // wait for thread to terminate 
 
    Console.WriteLine("Main thread terminating.");  
  }  
}


Using ResetAbort()

/*
C#: The Complete Reference 
by Herbert Schildt 
Publisher: Osborne/McGraw-Hill (March 8, 2002)
ISBN: 0072134852
*/

// Using ResetAbort(). 
 
using System; 
using System.Threading; 
 
class MyThread {  
  public Thread thrd;  
    
  public MyThread(string name) {  
    thrd = new Thread(new ThreadStart(this.run)); 
    thrd.Name = name; 
    thrd.Start();  
  }  
  
  // This is the entry point for thread.  
  void run() {  
    Console.WriteLine(thrd.Name + " starting."); 
 
    for(int i = 1; i <= 1000; i++) {  
      try { 
        Console.Write(i + " ");  
        if((i%10)==0) { 
          Console.WriteLine(); 
          Thread.Sleep(250); 
        } 
      } catch(ThreadAbortException exc) { 
        if((int)exc.ExceptionState == 0) { 
          Console.WriteLine("Abort Cancelled! Code is " + 
                             exc.ExceptionState); 
          Thread.ResetAbort(); 
        } 
        else  
          Console.WriteLine("Thread aborting, code is " + 
                             exc.ExceptionState); 
      } 
    } 
    Console.WriteLine(thrd.Name + " exiting normally.");  
  } 
} 
  
public class ResetAbort {  
  public static void Main() {  
    MyThread mt1 = new MyThread("My Thread");  
 
    Thread.Sleep(1000); // let child thread start executing 
 
    Console.WriteLine("Stopping thread.");  
    mt1.thrd.Abort(0); // this won"t stop the thread 
 
    Thread.Sleep(1000); // let child execute a bit longer 
 
    Console.WriteLine("Stopping thread.");  
    mt1.thrd.Abort(100); // this will stop the thread 
 
    mt1.thrd.Join(); // wait for thread to terminate 
 
    Console.WriteLine("Main thread terminating.");  
  }  
}