(Haiku developer here.) We have our own homegrown smart pointers and do make plenty of use of them, though we could stand to make more. Already pretty much any

(Haiku developer here.) We have our own homegrown smart pointers and do make plenty of use of them, though we could stand to make more. Already pretty much any short-lived objects (i.e. that have no lifetime beyond the function they are immediately in) are smart-pointer-managed. The "probing" approach needs a rewrite and we know it. Most of that code is confined to about 2-3 files inside the kernel. It will be a big job to fix it, but we won't need to reinvent the world. Eventually I or someone else will probably get around to it, but we haven't needed it yet; the people who need PCI hotplugging will have to do without Haiku for now. (Or they can submit patches :)