On Aug 27, 2009, at 8:18 AM, McLaughlin, Michael P. wrote:
I'm wondering about the timing of NSOperationQueue emptying.In my Objective-C++ (Leopard) app, I have one opQueue of operations and the very last thing each operation does is enqueue the results of a computationback to the main thread. NSPointerArray *ptr = [NSPointerArray pointerArrayWithStrongObjects]; [ptr addPointer:&PL]; [mainQueue enqueueNotification:[NSNotification notificationWithName:@"compNotif" object:ptr] postingStyle:NSPostNow]; } // end of main()
If this is the main thread's NSNotificationQueue, you can only use it from the main thread, since it's listed as being unsafe to use from multiple threads:
http://developer.apple.com/documentation/Cocoa/Conceptual/Multithreading/ThreadSafetySummary/ThreadSafetySummary.htmlYour usage could cause all sorts of hard-to-diagnose problems, unless I misread what you're doing.
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