Megatest

    ((dec-var)                      (apply db:dec-var dbstruct params))
    ((del-var)                      (apply db:del-var dbstruct params))
    ((add-var)                      (apply db:add-var dbstruct params))

    ((insert-run)                   (apply db:insert-run dbstruct params))

    ;; STEPS
    ((teststep-set-status!)
    ((teststep-set-status!)         (apply db:teststep-set-status! dbstruct params))
     ;; (apply db:teststep-set-status! dbstruct params))
     (db:add-cached-write dbstruct db:teststep-set-status! run-id params))
    ((delete-steps-for-test!)       (apply db:delete-steps-for-test! dbstruct params))
    
    ;; TEST DATA
    ((test-data-rollup)             (apply db:test-data-rollup dbstruct params))
    ((csv->test-data)               (apply db:csv->test-data dbstruct params))

    ;; MISC

	 (begin
	   (debug:print 0 *default-log-port* "WARNING: path given, " outputfile " is relative, prefixing with current directory")
	   (conc (current-directory) "/" outputfile)))
     results)
    ;; brutal clean up
    (dbfile:add-dbdat dbstruct #f dbdat)
    (system "rm -rf tempdir")))

;;======================================================================
;; cached writes stuff
;;======================================================================

(define (db:add-cached-write dbstruct proc run-id params)
  (debug:print 0 *default-log-port* "Adding cached write for run-id "run-id" params " params)
  (mutex-lock! *cached-writes-mutex*)
  (let* ((hkey                (cons dbstruct run-id))
	 (cached-writes-queue (hash-table-ref/default *cached-writes-queues* hkey '())))
    (hash-table-set! *cached-writes-queues* hkey (cons (list proc params) cached-writes-queue)))
  (if (not *cached-writes-flag*)
      (begin
	(set! *cached-writes-flag* #t)
	(thread-start! (make-thread
			(lambda ()
			  (debug:print 0 *default-log-port* "process cached writes thread started.")
			  (thread-sleep! 1)
			  (db:process-cached-writes-queue))))))
  (mutex-unlock! *cached-writes-mutex*))

(define (db:process-cached-writes-queue)
  (mutex-lock! *cached-writes-mutex*)
  (hash-table-for-each
   *cached-writes-queues*
   (lambda (hkey writes-list)
     (let* ((dbstruct (car hkey))
	    (run-id   (cdr hkey)))
       (debug:print 0 *default-log-port* "Processing "(length writes-list)" cached writes for run "run-id)
       (db:with-db
	dbstruct
	run-id
	#t 
	(lambda (dbdat db)
	  (sqlite3:with-transaction
	   db
	   (lambda ()
	     (for-each
	      (lambda (queued-write)
		(match queued-write
		       ((proc params)(apply proc dbstruct params))
		       (else (assert #f "BAD queued-write"))))
	      writes-list)))
	  (hash-table-delete! *cached-writes-queues* hkey))))))
  (set! *cached-writes-flag* #f)
  (mutex-unlock! *cached-writes-mutex*))

;; (db:extract-ods-file db "outputfile.ods" '(("sysname" "%")("fsname" "%")("datapath" "%")) "%")

;;======================================================================
;; moving watch dogs here due to dependencies
;;======================================================================

	 (result      (or stmth
			  (let* ((newstmth (sqlite3:prepare db stmt)))
			    ;; (db:hoh-set! stmt-cache db stmt newstmth)
			    (hash-table-set! stmt-cache stmt newstmth)
			    newstmth))))
    (mutex-unlock! *get-cache-stmth-mutex*)
    result))

;;======================================================================
;; cached writes - run list of procs inside transaction
;;   NOTE: this only works because we have once database per process
;;======================================================================

(define *cached-writes-mutex* (make-mutex))
(define *cached-writes-flag*  #f)
(define *cached-writes-queues* (make-hash-table)) ;; dbstruct->list of writes


)

			      (debug:print-info 0 *default-log-port* "dbmod:with-db, database is busy, will try "count" more times.")
			      (thread-sleep! 1)
			      (loop (- count 1)))
			    (begin
			      (debug:print-info 0 *default-log-port* "dbmod:with-db, database is busy, giving up.")
			      (exit 1))))
		   (exn ()
			(dbfile:print-err exn "ERROR: Unknown error with database for run-id "run-id", message: "
					  ((condition-property-accessor 'exn 'message) exn))
			(dbfile:print-err exn "ERROR: Unknown error with db for run-id "
					  run-id", message: "
					  ((condition-property-accessor 'exn 'message) exn)
					  ", details: "(condition->list exn))
			(exit 2))))))
      (if use-mutex (mutex-unlock! *db-with-db-mutex*))
      res)))

(define (db:with-db dbstruct run-id w/r proc . params)
  (dbmod:with-db dbstruct run-id w/r proc params))