On Aug 10, 2010, at 2:55 PM, Rick Mann wrote: > We have an app that uses a "main" NSManagedObjectContext (MOC) for all > UI-related work, and has background threads that add and update data via > their own dedicated MOCs. When they call -save: on their MOC, the "main" MOC > gets the NSManagedObjectContextDidSaveNotification and calls > -mergeChangesFromContextDidSaveNotification:. > > The problem is, this actually happens on the thread that called -save:, not > on the main thread. We're seeing occasional crashes, and suspect that it is > due to this problem. However, I didn't see anything in the docs that said we > had to call -save: from the main thread, or take any special steps when > handling that notification. > > Did I just overlook something, or should this work safely always? It seems > like the latter is unlikely, since two threads could be accessing a MOC > simultaneously.
Are you following or taking into account everything shown here: http://developer.apple.com/mac/library/documentation/Cocoa/Conceptual/CoreData/Articles/cdMultiThreading.html#//apple_ref/doc/uid/TP40003385-SW1 ? Keary Suska Esoteritech, Inc. "Demystifying technology for your home or business" _______________________________________________ Cocoa-dev mailing list ([email protected]) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [email protected]
