Megatest

		      (loop (car tal)(cdr tal) reruns)))
		 ;; Registery has been started for this test but has not yet completed
		 ;; this should be rare, the case where there are only a couple of tests and the db is slow
		 ;; delay a short while and continue
		 ;; ((eq? (hash-table-ref/default test-registery (runs:make-full-test-name test-name item-path) #f) 'start)
		 ;;  (thread-sleep! 0.01)
		 ;;  (loop (car newtal)(cdr newtal) reruns))
		 ;; count number of 'done, if more than 100 then skip on through.
		 (;; (and (< (length (filter (lambda (x)(eq? x 'done))(hash-table-values test-registery))) 100) ;; why get more than 200 ahead?
		  (not (hash-table-ref/default test-registery (runs:make-full-test-name test-name item-path) #f)) ;; ) ;; too many changes required. Implement later.
		  (debug:print-info 4 "Pre-registering test " test-name "/" item-path " to create placeholder" )
		  ;; NEED TO THREADIFY THIS
		  (let ((th (make-thread (lambda ()
		        		   (mutex-lock! registery-mutex)
		        		   (hash-table-set! test-registery (runs:make-full-test-name test-name item-path) 'start)
		        		   (mutex-unlock! registery-mutex)
					   ;; If haven't done it before register a top level test if this is an itemized test
					   (if (not (eq? (hash-table-ref/default test-registery (runs:make-full-test-name test-name "") #f) 'done))
					       (cdb:tests-register-test *runremote* run-id test-name ""))
					   (cdb:tests-register-test *runremote* run-id test-name item-path)
		        		   (mutex-lock! registery-mutex)
					   (hash-table-set! test-registery (runs:make-full-test-name test-name item-path) 'done)
		        		   (mutex-unlock! registery-mutex))
		        		 (conc test-name "/" item-path))))
		    (thread-start! th))
		  (thread-sleep! *global-delta*)
		  (runs:shrink-can-run-more-tests-delay)   ;; DELAY TWEAKER (still needed?)
		  (loop (car newtal)(cdr newtal) reruns))
		 ;; At this point *all* test registrations must be completed.
		 ((not (null? (filter (lambda (x)(eq? 'start x))(hash-table-values test-registery))))
		  (debug:print-info 0 "Waiting on test registrations: " (string-intersperse 
									 (filter (lambda (x)
										   (eq? (hash-table-ref/default test-registery x #f) 'start))
										 (hash-table-keys test-registery))
									 ", "))
		  (thread-sleep! 0.1)
		  (loop hed tal reruns))
		 ((not have-resources) ;; simply try again after waiting a second
		  (debug:print-info 1 "no resources to run new tests, waiting ...")
		  ;; (thread-sleep! (+ 2 *global-delta*))
		  ;; could have done hed tal here but doing car/cdr of newtal to rotate tests
		  (loop (car newtal)(cdr newtal) reruns))
		 ((and have-resources
		       (or (null? prereqs-not-met)
			   (and (eq? testmode 'toplevel)
				(null? non-completed))))
		  (run:test run-id runname keyvallst test-record flags #f)
		  (hash-table-set! test-registery (runs:make-full-test-name test-name item-path) 'running)
		  (runs:shrink-can-run-more-tests-delay)  ;; DELAY TWEAKER (still needed?)
		  ;; (thread-sleep! *global-delta*)
		  (if (not (null? tal))
		      (loop (car tal)(cdr tal) reruns)))
		 (else ;; must be we have unmet prerequisites
		    (debug:print 4 "FAILS: " fails)
		    ;; If one or more of the prereqs-not-met are FAIL then we can issue
		    ;; a message and drop hed from the items to be processed.
		    (if (null? fails)
			(begin
			  ;; couldn't run, take a breather
			  (debug:print-info 4 "Shouldn't really get here, race condition? Unable to launch more tests at this moment, killing time ...")
			  ;; (thread-sleep! (+ 0.01 *global-delta*)) ;; long sleep here - no resources, may as well be patient
			  ;; we made new tal by sticking hed at the back of the list
			  (loop (car newtal)(cdr newtal) reruns))
			;; the waiton is FAIL so no point in trying to run hed ever again
			(if (not (null? tal))
			    (if (vector? hed)
				(begin 
				  (debug:print 1 "WARN: Dropping test " (db:test-get-testname hed) "/" (db:test-get-item-path hed)
					       " from the launch list as it has prerequistes that are FAIL")
				  (runs:shrink-can-run-more-tests-delay) ;; DELAY TWEAKER (still needed?)
				  ;; (thread-sleep! *global-delta*)
				  (hash-table-set! test-registery (runs:make-full-test-name test-name item-path) 'removed)
				  (loop (car tal)(cdr tal) (cons hed reruns)))
				(begin
				  (debug:print 1 "WARN: Test not processed correctly. Could be a race condition in your test implementation? " hed) ;;  " as it has prerequistes that are FAIL. (NOTE: hed is not a vector)")
				  (runs:shrink-can-run-more-tests-delay) ;; DELAY TWEAKER (still needed?)
				  ;; (thread-sleep! (+ 0.01 *global-delta*))
				  (loop hed tal reruns))))))))) ;; END OF INNER COND
	     
	     ;; case where an items came in as a list been processed
	     ((and (list? items)     ;; thus we know our items are already calculated
		   (not   itemdat)) ;; and not yet expanded into the list of things to be done
	      (if (and (debug:debug-mode 1) ;; (>= *verbosity* 1)

	    ;;
	    ;; NB// for the above line. I want the test to be registered long before this routine gets called!
	    ;;
	    (set! test-id (open-run-close db:get-test-id db run-id test-name item-path))
	    (if (not test-id)
		(begin
		  (debug:print 2 "WARN: Test not pre-created? test-name=" test-name ", item-path=" item-path ", run-id=" run-id)
		  (cdb:tests-register-test *runremote* run-id test-name item-path)
		  (set! test-id (open-run-close db:get-test-id db run-id test-name item-path))))
	    (debug:print-info 4 "test-id=" test-id ", run-id=" run-id ", test-name=" test-name ", item-path=\"" item-path "\"")
	    (set! testdat (cdb:get-test-info-by-id *runremote* test-id))))
      (set! test-id (db:test-get-id testdat))
      (change-directory test-path)
      (case (if force ;; (args:get-arg "-force")
		'NOT_STARTED