App freeze on CoreData save

Question

I have an iPhone app that freezes sometimes when saving CoreData and then doesn\'t relaunch. I did have a second thread that uses the database, but I think I have followed t

Answer 1

When using Core Data from multiple threads, make sure to lock your PSC before a save operation:

[self.persistentStoreCoordinator lock];
NSManagedObjectContext *context = //your context;
[context save:&error];
if (error) {
    // handle error
}
[self.persistentStoreCoordinator unlock];