Megatest

		     #t)))))))
      (sqlite3:finalize! lckqry)
      (sqlite3:finalize! mklckqry)
      result)))

(define (lock-queue:release-lock fname test-id #!key (count 10))
  (let* ((dbdat (lock-queue:open-db fname)))
    (tasks:wait-on-journal (lock-queue:db-dat-get-path dbdat) 1200 "lock-queue:release-lock; waiting on journal")
    (handle-exceptions
     exn
     (begin
       (debug:print 0 "WARNING: Failed to release queue lock. Will try again in few seconds")
       (debug:print 0 " message: " ((condition-property-accessor 'exn 'message) exn))
       (thread-sleep! (/ count 10))
       (if (> count 0)

(define (lock-queue:steal-lock dbdat test-id #!key (count 10))
  (debug:print-info 0 "Attempting to steal lock at " (lock-queue:db-dat-get-path dbdat))
  (tasks:wait-on-journal (lock-queue:db-dat-get-path dbdat) 1200 "lock-queue:steal-lock; waiting on journal")
  (handle-exceptions
   exn
   (begin
     (tadebug:print 0 "WARNING: Failed to steal queue lock. Will try again in few seconds")
     (debug:print 0 " message: " ((condition-property-accessor 'exn 'message) exn))
     (thread-sleep! 10)
     (if (> count 0)
	 (lock-queue:steal-lock dbdat test-id count: (- count 1))
	 #f))
   (sqlite3:execute (lock-queue:db-dat-get-db dbdat) "DELETE FROM runlocks WHERE run_lock='locked';"))
  (lock-queue:get-lock dbdat test-it))

;; returns #f if ok to skip the task
;; returns #t if ok to proceed with task
;; otherwise waits
;;
(define (lock-queue:wait-turn fname test-id #!key (count 10)(waiting-msg #f))
  (let* ((dbdat   (lock-queue:open-db fname))
	 (mystart (current-seconds))
	 (db      (lock-queue:db-dat-get-db dbdat)))
    (tasks:wait-on-journal (lock-queue:db-dat-get-path dbdat) 1200 waiting-msg: "lock-queue:wait-turn; waiting on journal file")
    (handle-exceptions
     exn
     (begin
       (debug:print 0 "WARNING: Failed to find out if it is ok to skip the wait queue. Will try again in few seconds")
       (debug:print 0 " message: " ((condition-property-accessor 'exn 'message) exn))
       (print-call-chain (current-error-port))
       (thread-sleep! 10)
       (if (> count 0)
	   (begin
	     (sqlite3:finalize! db)
	     (lock-queue:wait-turn fname test-id count: (- count 1)))
	   (begin
	     (debug:print 0 "Giving up calls to lock-queue:wait-turn for test-id " test-id " at path " fname ", printing call chain")
	     (print-call-chain (current-error-port))
	     #f)))
     ;; (tasks:wait-on-journal (lock-queue:db-dat-get-path dbdat) 1200 waiting-msg: "lock-queue:wait-turn; waiting on journal file")
     (sqlite3:execute
      db
      "INSERT OR REPLACE INTO queue (test_id,start_time,state) VALUES (?,?,'waiting');"
      test-id mystart)
     ;; (thread-sleep! 1) ;; give other tests a chance to register
     (let ((result 
	    (let loop ((younger-waiting (lock-queue:any-younger? dbdat mystart test-id)))
	      (if younger-waiting
		  (begin
		    ;; no need for us to wait. mark in the lock queue db as skipping
		    (lock-queue:set-state dbdat test-id "skipping")
		    #f) ;; let the calling process know that nothing needs to be done