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Assign the current thread to the first CPU

 

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Question:

My application crashes on systems with multiple CPUs or dual-core CPUs

Answer:

You probably have some re-entrancy problem. Try to force all threads to run on CPU 1. This means to put the code from below in all threads and of course in the main thread, e.g. in FormCreate(). 

procedure TForm1.FormCreate(Sender: TObject);
var
  iThread : Handle;
begin
  iThread := GetCurrentThread();
  SetThreadAffinityMask(iThread, 1);
end;

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