Handle gone fns gracefully.

[doldaconnect.git] / lib / guile / dolcon / util.scm

diff --git a/lib/guile/dolcon/util.scm b/lib/guile/dolcon/util.scm
index 506de8e..57eb635 100644 (file)
--- a/lib/guile/dolcon/util.scm
+++ b/lib/guile/dolcon/util.scm
@@ -58,9 +58,11 @@
   (lambda ()
     (dc-fn-update)
     (let* ((notify (lambda (event data) (for-each (lambda (o) (if (eq? event (car o)) ((cadr o) data))) fn-procs)))
-          (ua (lambda (r a) (let ((ires (dc-intresp r)))
-                              (fn-updattr (car ires) a (cadr ires))
-                              (notify a (cdr (assq (car ires) fnetnodes)))))))
+          (ua (lambda (r a) (let ((ires (dc-intresp r))
+                                  (hubform (assq (car ires) fnetnodes)))
+                              (if hubform
+                                  (begin (fn-updattr (car ires) a (cadr ires))
+                                         (notify a (cdr (assq (car ires) fnetnodes)))))))))
       (dc-loop-reg ".notify" 601 (lambda (r er) (let ((ires (dc-intresp r)))
                                                  (fn-updattr (car ires) 'state (list-ref '(syn hs est dead) (cadr ires)))
                                                  (notify 'state (cdr (assq (car ires) fnetnodes))))))