Fix poor on-stop/post-stop separation. Additional fix for #23.
This commit is contained in:
parent
46e5922dc8
commit
f6c145b4a7
|
@ -411,7 +411,9 @@
|
|||
(parameterize ((current-facet-id (cdr fid))) ;; run in parent context wrt terminating facet
|
||||
(schedule-script! (lambda ()
|
||||
(terminate-facet! fid)
|
||||
(begin/void-default script ...))))))]))
|
||||
(schedule-script!
|
||||
(lambda ()
|
||||
(begin/void-default script ...))))))))]))
|
||||
|
||||
(define-syntax-rule (stop-current-facet)
|
||||
(stop-facet (current-facet-id)))
|
||||
|
|
|
@ -0,0 +1,39 @@
|
|||
#lang syndicate/actor
|
||||
;; Demonstrate handling of facet termination.
|
||||
|
||||
(require racket/pretty)
|
||||
|
||||
(struct milestone (facet-id message) #:prefab)
|
||||
(struct presence (detail) #:prefab)
|
||||
|
||||
(define (milestone! . detail)
|
||||
(printf ">>> ~v ~v\n" (current-facet-id) detail)
|
||||
(send! (milestone (current-facet-id) detail)))
|
||||
|
||||
(spawn (field [trace-rev '()])
|
||||
(define (push! w x) (trace-rev (cons (list w x) (trace-rev))))
|
||||
(on-start
|
||||
(until (asserted (observe 'E)))
|
||||
(send! 'E)
|
||||
(until (retracted (observe 'E)))
|
||||
(flush!)
|
||||
(flush!)
|
||||
(flush!)
|
||||
(pretty-print (reverse (trace-rev))))
|
||||
|
||||
(on (asserted (presence $p)) (push! '+ (presence p)))
|
||||
(on (retracted (presence $p)) (push! '- (presence p)))
|
||||
(on (message (milestone $w $d)) (push! '! (milestone w d))))
|
||||
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
|
||||
(spawn
|
||||
(assert (presence 'outer))
|
||||
(on-start (milestone! 'on-start 'outer))
|
||||
(on-stop (milestone! 'on-stop 'outer))
|
||||
|
||||
(on (message 'E)
|
||||
(milestone! 'on-E 'outer 'pre-stop)
|
||||
(stop-facet (current-facet-id)
|
||||
(milestone! 'on-E 'outer 'post-stop))
|
||||
(milestone! 'on-E 'outer 'mid-stop)))
|
Loading…
Reference in New Issue