One way to solve it is to introduce a concept like a nursery (a la structured concurrency) and when setting it up you instruct it to create a new thread that is

One way to solve it is to introduce a concept like a nursery (a la structured concurrency) and when setting it up you instruct it to create a new thread that is only used for those particular tasks. This of course requires a scheduler that needs to handle hierarchical control of execution rather than having an unformed mass of tasks, but nurseries provide other benefits as well.