On 27.04.2010, at 23:22, Gary L. Wade wrote:
> Calling -retainCount
> immediately before and after the -setDelegate call is pretty much the only
> way.
Nope. It'll only lead to pain and suffering. And false positives. What if
setDelegate was implemented thus:
-(void) setDelegate: (id)dele
{
mDelegate = dele;
[self detachNewThreadSelector: @selector(useDelegateOnThread:) withObject:
dele];
}
This will retain the delegate to hand it off to the other thread. Depending on
how long that other thread takes and how good a day your scheduler has, the
thread may be finished and mDelegate may contain a weak reference to the
delegate, or the thread may take longer, and then your code looking at the
retain count will think it was a strong reference.
There is no substitute to reading the documentation.
Cheers,
-- Uli Kusterer
"The Witnesses of TeachText are everywhere..."
http://www.zathras.de
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