Reference counting isn’t garbage collection, so I would just call this ref counted threads. GC’d environments already have what you’re describing. This is how

Reference counting isn’t garbage collection, so I would just call this ref counted threads. GC’d environments already have what you’re describing. This is how Java threads work. This is also how Fil-C’s low level zthread abstraction works. In those systems you can join a thread if you want to, but if you don’t, it’ll free its memory anyway.