Megatest

	  exn
	(begin
	  (print "Attempt to safely close sqlite3 db failed. Trying again. exn=" exn)
	  (thread-sleep! 3)
	  (sqlite3:interrupt! db)
	  (db:safely-close-sqlite3-db db stmtcache try-num: (- try-num 1)))
	(if (sqlite3:database? db)
	    (let* ((stmts (if (hash-table? stmt-cache)
	    (let* ((stmts (and stmt-cache (hash-table-ref/default stmt-cache db #f))))
                              (hash-table-ref/default stmt-cache db #f)
                               #f)))
	      (if stmts (map sqlite3:finalize! (hash-table-values stmts)))
	      (sqlite3:finalize! db)
	      #t)
	    #f))))

;; close all opened run-id dbs
(define (db:close-all dbstruct)

;; wait for server=start-last to be three seconds old
;;
(define (server:wait-for-server-start-last-flag areapath)
  (let* ((start-flag (conc areapath "/logs/server-start-last")))
    (if (file-exists? start-flag)
	(let* ((fmodtime (file-modification-time start-flag))
	       (reftime  (+ 2 (random 3)))
	       (delta    (- (current-seconds) fmodtime))
	       (all-go   (> delta reftime)))
	       (reftime  (+ 3 (random 5)))
	       (delta    (- (current-seconds) fmodtime)))
	  (if (> delta reftime) ;; good enough
	  (if all-go
	      #t ;; (system (conc "touch " start-flag)) ;; lazy but safe
	      (begin
		(debug:print-info 0 *default-log-port* "Gating server start, last start: "
				  fmodtime ", delta: " delta ", reftime: " reftime ", all-go=" all-go)
		(debug:print-info 0 *default-log-port* "Ready to start server, last start: "
				  fmodtime ", delta: " delta ", reftime: " reftime)
		(system (conc "touch " start-flag))) ;; lazy but safe
	      (begin
		(thread-sleep! 5)
		(server:wait-for-server-start-last-flag areapath))))
	#;(system (conc "touch " start-flag)))))
	(system (conc "touch " start-flag)))))
	      

;; kind start up of servers, wait 40 seconds before allowing another server for a given
;; run-id to be launched
;;
(define (server:kind-run areapath)
  ;; look for $MT_RUN_AREA_HOME/logs/server-start-last
  ;; and wait for it to be at least 3 seconds old