Csharp/C Sharp/Thread/Thread Abort
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.");
}
}