How to kill a thread instantly in C

Question

I am using the thread Abort method to kill the thread  but it not working  Is there any other way of terminating the thread   private void button1 Click object sender  EventArgs e        if  Receiver IsAlive    true                MessageBox Show  Alive            Receiver Abort              else               MessageBox Show  Dead            Receiver Start              I am using this but every time I get the Alive status  Receiver is my global thread

User · Answer

thread will be killed when it finish it s work  so if you are using loops or something else you should pass variable to the thread to stop the loop after that the thread will be finished

User · Answer

You can kill instantly doing it in that way   private Thread  myThread   new Thread SomeThreadMethod    private void SomeThreadMethod           do whatever you want     SecurityPermissionAttribute SecurityAction Demand  ControlThread   true   private void KillTheThread         myThread Abort        I always use it and works for me

User · Answer

The reason it s hard to just kill a thread is because the language designers want to avoid the following problem  your thread takes a lock  and then you kill it before it can release it  Now anyone who needs that lock will get stuck   What you have to do is use some global variable to tell the thread to stop  You have to manually  in your thread code  check that global variable and return if you see it indicates you should stop

User · Answer

You should first have some agreed method of ending the thread  For example a running  valiable that the thread can check and comply with    Your main thread code should be wrapped in an exception block that catches both ThreadInterruptException and ThreadAbortException that will cleanly tidy up the thread on exit   In the case of ThreadInterruptException you can check the running  variable to see if you should continue  In the case of the ThreadAbortException you should tidy up immediately and exit the thread procedure   The code that tries to stop the thread should do the following   running    false  threadInstance  Interrupt    if  threadInstance  Join 2000        or an agreed resonable time    threadInstance  Abort

User · Answer

C  Thread Abort is NOT guaranteed to abort the thread instantaneously  It will probably work when a thread calls Abort on itself but not when a thread calls on another    Please refer to the documentation  http   msdn microsoft com en-us library ty8d3wta aspx  I have faced this problem writing tools that interact with hardware - you want immediate stop but it is not guaranteed  I typically use some flags or other such logic to prevent execution of parts of code running on a thread  and which I do not want to be executed on abort - tricky

[c#] How to kill a thread instantly in C#?

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