On 01/02/2009, at 5:40 , [email protected] wrote:
Previous post indicates that NSOperationQueue only seems to work
with ONE
queue.
It is worse than that, it can crash even with a single queue - the
only believed safe case is to a single core processor (ie, the
iPhone). Otherwise you have to accept roughly one in a million
operations to crash (which may be acceptable if you are using it very
sparingly).
If I nest another NSOperationQueue instead of using appController's
NSOperationQueue the BUG forces a crash every time.
Evidently this is a KNOWN bug which is supposed to be fixed in 10.6
It is a known bug - Apple have not stated that it will be fixed for
10.6.
I am going to implement my own pthreads with a tcb block to go low-
level
on this problem, but would LOVE to be able to use Apples high-level
tools.
Have you looked at RAOperationQueue?
<http://www.rogueamoeba.com/utm/2009/01/10/raoperationqueue-102/>
That said, I don't believe its really designed for high performance so
much as for ease of use.
But it might give you a starting point.
Enjoy,
Peter.
--
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