RE: receptionist pattern question: NSOperationQueue vs. GCD
RE: receptionist pattern question: NSOperationQueue vs. GCD
- Subject: RE: receptionist pattern question: NSOperationQueue vs. GCD
- From: Julius Oklamcak <email@hidden>
- Date: Thu, 16 Feb 2012 11:48:56 -0500
> On iOS, NSOperationQueue doesn't use GCD at all.
Actually, posts by Apple people in the Developer Forums and the
documentation differs on this:
http://developer.apple.com/library/ios/#documentation/Cocoa/Reference/NSOper
ationQueue_class/Reference/Reference.html
"Note: In iOS 4 and later, operation queues use Grand Central Dispatch to
execute operations. Prior to iOS 4, they create separate threads for
non-concurrent operations and launch concurrent operations from the current
thread."
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