Re: Thread WaitFor() ....waits forever

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#8739

From: Daniel Stevenson
Date: Wed, 22 Sep 2004 06:51

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>
> You are mis-using the thread pointer.  See below.
>
> >     delete MyForm1;
> >     MyForm1 = NULL;
>
> You should never call 'delete' on a thread that has its FreeOnTerminate
> property set to true.

I don't actually use delete when terminating my thread.  The above delete is
deleting my form after the thread is supposed to be terminated.

>
> That is because you are deadlocking the code.  WaitForSingleObject() is
> waiting for the thread to terminate, but the thread is waiting for the
main
> thread to process the Synchronize() requests so that it can then continue
on
> and eventually detect that it needs to terminate itself.
>

I sort of understand what you are implying but I'm not sure how to stop my
thread from being deadlocked.  As far as I know, the Synchronize function is
fairly straight forward and should be able to be completed.

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Subject: Re: Thread WaitFor() ....waits forever
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