Re: CWinThread termination

"Tech" <>
Sun, 29 Jul 2007 16:37:29 -0700

thank you for the suggestion. Time consuming operation is not loop based.
Basically (// time consuming operation here)s is an WinHTTP call to a server
script and it may take up to a minute to execute the script on a server. It
is possible to timeout on an Http request function, but this is not what I
want, I need to halt -> terminate thread immideately.

2-nd question : is presence AfxEndThread a bug ?

Thank you!


"Scott McPhillips [MVP]" <org-dot-mvps-at-scottmcp> wrote in message

Tech wrote:

Run Function in the thread derived class looks like:
extern CCriticalSection lock;
 lock.Lock(INFINITE); // lock one thread
 // time consuming operation here
 AfxEndThread(0,TRUE); // end thread
 return 1;

I need to terminate this thread via user action while the operation is in
progress. There is no memory allocation, other threads, etc. in the ( //
time consuming operation here )

What would be the best way to do that? TerminateThread? then what do I do
about the lock?

You can use a bool or SetEvent to signal the thread to exit. It should
detect the signal and then exit in the normal way. Something like this...

// time consuming operation here
while (!bThreadExit)
{ step or loop of operation
return 1;

You should also get rid of AfxEndThread so the return statement can
perform normal stack allocation cleanup.

Scott McPhillips [MVP VC++]

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