> All your file writes should be atomic (either SQLite/CoreData or using the atomic write methods in CoreFoundation and Objective-C) or you must be able to dete

> All your file writes should be atomic (either SQLite/CoreData or using the atomic write methods in CoreFoundation and Objective-C) or you must be able to detect and delete partially files and recover in-situ. You should be doing that regardless, there's nothing special about SIGKILL in this regard. Dirty pages will still get flushed to disk, so SIGKILL is safer than, say, sudden power loss. Which isn't exactly unheard of on battery powered devices, after all.