I agree that Racket parameters work very well. FWIW the Racket parameters are inspired by: "Processes vs. User-Level Threads in SCSH" by Martin Gasbichler and

I agree that Racket parameters work very well. FWIW the Racket parameters are inspired by: "Processes vs. User-Level Threads in SCSH" by Martin Gasbichler and Michael Sperber https://www.researchgate.net/publication/2546137_Processes_vs_User-Level_Threads_in_SCSH https://www.researchgate.net/publication/2546137_Processes_v...