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On 15/05/2013 11:33pm, Andre Dias wrote:
> But the example program has no races, no threads, nothing.
> empty() is returning TRUE even though qsize() is >0 (which actually is)
> And it happens almost every time I run that small example.
> I had read the module doc, and I know its an unreliable method, but man,
> the example program is too simple to fail
> Truth is I decided qsize() is more reliable and im using it in my programs,
> but man empty() problem is so ridiculous that I decided to submit here
If you assume everything is single-threaded then you would assume that 
this is too simple to fail. But there *is* more than thread involved.
empty() and qsize() are basically redundant. You would almost certainly 
be better off using get_noblock()/put_noblock() and catching Empty/Full.