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"updaters thread"))
(th2 (make-thread (lambda ()
(let loop ()
(case (thread-state th1)
((terminated)
(debug:print 0 *default-log-port* "th1 terminated, all done for now."))
((running)
(debug:print 0 *default-log-port* "th1 running, suspending now.")
(thread-suspend! th1)
(thread-sleep! 0.1)
(loop))
((sleeping)
(debug:print 0 *default-log-port* "th1 sleeping, resuming now.")
(thread-resume! th1)
(thread-sleep! 0.9)
(loop))
((dead)
(debug:print 0 *default-log-port* "th1 "(thread-state th1)", what's next?"))
(else
(debug:print 0 *default-log-port* "th1 "(thread-state th1)", what's next?")
(thread-sleep! 0.5)
(loop))))))))
(set! *updaters-running* #t)
(thread-start! th1)
(thread-sleep! 0.1)
(thread-start! th2)
(thread-join! th1))))))
(thread-join! th1)
(set! *updaters-running* #f))))))
;; if tab-num passed in then use it, otherwise look in commondat at curr-tab-num
;; adds the updater passed in the updaters list at that hashkey
;;
(define (dboard:commondat-add-updater commondat updater #!key (tab-num #f))
(let* ((tnum (or tab-num
(dboard:commondat-curr-tab-num commondat)))
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