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On 6/20/11 8:57 PM, James Merkel wrote:
> Ok, I see GCD == Grand Central Dispatch. Available on Snow Leopard.
> I'm on 10.5.8. I'll probably have to buy a new machine and get back to
> you on this!

Ruh-roh.

If you need to support pre-SL, you can go with NSOperationQueue.  Also
covered in the concurrency programming guide.

It will (probably) require creating a subclass of NSOperation, so more
code, but conceptually similar to GCD (in that both provide facilities
for asynchronous execution).

- -- 
Conrad Shultz

Synthetiq Solutions
www.synthetiqsolutions.com
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