Add remove_callbacks()

[irspy-moved-to-github.git] / lib / ZOOM / Pod.pm

diff --git a/lib/ZOOM/Pod.pm b/lib/ZOOM/Pod.pm
index f24157b..3e2f9ce 100644 (file)
--- a/lib/ZOOM/Pod.pm
+++ b/lib/ZOOM/Pod.pm
@@ -1,4 +1,4 @@
-# $Id: Pod.pm,v 1.17 2006-07-21 11:25:43 mike Exp $
+# $Id: Pod.pm,v 1.21 2006-09-27 12:48:20 mike Exp $
 
 package ZOOM::Pod;
 
@@ -8,7 +8,7 @@ use warnings;
 use ZOOM;
 
 BEGIN {
-    # Just register the name
+    # Just register the names: this doesn't turn the levels on
     ZOOM::Log::mask_str("pod");
     ZOOM::Log::mask_str("pod_unhandled");
 }
@@ -205,12 +205,25 @@ sub callback {
     my($event, $sub) = @_;
 
     my $old = $this->{callback}->{$event};
-    $this->{callback}->{$event} = $sub
-       if defined $sub;
+    $this->{callback}->{$event} = $sub;
 
     return $old;
 }
 
+=head2 remove_callbacks()
+
+ $pod->remove_callbacks();
+
+Removes all registed callbacks from the pod.  This is useful when the
+pod has completed one operation and is about to start the next.
+
+=cut
+
+sub remove_callbacks {
+    my $this = shift();
+    $this->{callback} = {};
+}
+
 =head2 search_pqf()
 
  $pod->search_pqf("@attr 1=1003 wedel");
@@ -295,6 +308,7 @@ sub wait {
              }
        }
 
+       last if @conn == 0;
        my $i0 = ZOOM::event(\@conn);
        last if $i0 == 0;
        my $i = 1+$idxmap[$i0-1];