It also doesn't work if you want to support a non-trivial update rate, or if there's any possibility of contention with another process trying to do the same thing. It's the sort of thing that app writers get addicted to, because it does work in the super-easy case, but it doesn't help at all when you need to solve harder storage problems than updating a single config file once in a while.
It also doesn't work if you want to support a non-trivial update rate, or if there's any possibility of contention with another process trying to do the same thing. It's the sort of thing that app writers get addicted to, because it does work in the super-easy case, but it doesn't help at all when you need to solve harder storage problems than updating a single config file once in a while.