[cryptonector]

Yes, of course signals are easily the worst thing in Unix, but job control is nice.

[zvrba]

It's already there: https://docs.microsoft.com/en-us/windows/desktop/ProcThread/...

You can set various limits, though I haven't seen functions to stop/resume a job.

[ygra]

You can suspend and resume threads, so if you model your jobs with processes that could be used for that, I guess.

[loa-in-backup]

*with threads

[ygra]

Processes. A quick skim of the documentation linked by the person I answered suggests that processes can be associated with a job object, but threads cannot. But a process cannot really be suspended directly, except by suspending all its threads.