[Chicken-users] Threads and blocking on interpreter input

[Chris Double]

I wanted to run some threads in the background while also using the 
read-eval-print loop in the csi. While csi is waiting for input it blocks all 
threads it seems (does this include threads waiting on tcp calls?).

As a workaround I came up with the following which allows threads to run in 
the background while the listener is waiting for input:

(set! ##sys#read-prompt-hook
          (lambda ()
                (when (or (##sys#fudge 12) (##sys#tty-port? 
(current-input-port)))
                          (display ">>> ")
                          (flush-output)
                          (##sys#thread-block-for-i/o! ##sys#current-thread 0 
#t)
                          (thread-yield!))))

It's a hack, and probably won't work in all circumstances, but it worked for 
what I needed to do. Is there a more robust way of doing this or are there 
future plans for making terminal and file i/o not block threads?

Chris.