The "State of Loom" document from May 2020 discusses this sort of problem. Long-term I believe the solution is to allow preempting at any safe-point and custom

The "State of Loom" document from May 2020 discusses this sort of problem. Long-term I believe the solution is to allow preempting at any safe-point and custom schedulers, but neither of those will be delivered in the first preview. https://cr.openjdk.java.net/~rpressler/loom/loom/sol1_part2.html https://cr.openjdk.java.net/~rpressler/loom/loom/sol1_part2....