Megatest

	    (common:simple-file-lock fname expire-time: expire-time))
	  #f)
      (let ((key-string (conc (get-host-name) "-" (current-process-id))))
	(with-output-to-file fname
	  (lambda ()
	    (print key-string)))
	(thread-sleep! 0.25)
	(if (file-exists? fname)
	    (with-input-from-file fname
	      (lambda ()
		(equal? key-string (read-line))))
	    #f))))
	
(define (common:simple-file-release-lock fname)
  (delete-file* fname))

;;======================================================================
;; S T A T E S   A N D   S T A T U S E S
;;======================================================================

;;======================================================================
;; E X I T   H A N D L I N G
;;======================================================================

(define (common:legacy-sync-recommended)
  (or (args:get-arg "-runtests")
      (args:get-arg "-server")
      ;; (args:get-arg "-set-run-status")
      (args:get-arg "-remove-runs")
      ;; (args:get-arg "-get-run-status")
      ))

(define (common:legacy-sync-required)
  (configf:lookup *configdat* "setup" "megatest-db"))

(define (std-exit-procedure)
  (let ((no-hurry  (if *time-to-exit* ;; hurry up
		       #f
		       (begin
			 (set! *time-to-exit* #t)
			 #t))))
    (debug:print-info 4 "starting exit process, finalizing databases.")
    (if (and no-hurry (debug:debug-mode 18))
	(rmt:print-db-stats))
    (let ((th1 (make-thread (lambda () ;; thread for cleaning up, give it five seconds
			      (let ((run-ids (hash-table-keys *db-local-sync*)))
				(if (and (not (null? run-ids))
					 (or (common:legacy-sync-recommended)
					     (configf:lookup *configdat* "setup" "megatest-db")))
				    (if no-hurry (db:multi-db-sync run-ids 'new2old))))
			      (if *dbstruct-db* (db:close-all *dbstruct-db*))
			      (if *inmemdb*     (db:close-all *inmemdb*))
			      (if (and *megatest-db*
				       (sqlite3:database? *megatest-db*))
				  (begin
				    (sqlite3:interrupt! *megatest-db*)