added HC and QRZ to QSL.pm

[spider.git] / perl / LRU.pm

diff --git a/perl/LRU.pm b/perl/LRU.pm
index 30b264a525c1ec4afb17d4705d91f8e90ca136de..29fd3c87e46b048525938ab385c73f6d4f4b48b8 100644 (file)
--- a/perl/LRU.pm
+++ b/perl/LRU.pm
@@ -11,7 +11,7 @@
 #
 # The structure of the base is:-
 #
-#  [next, prev, max objects, count ]
+#  [next, prev, max objects, count, <coderef to function to call on deletion> ]
 #
 #
 
@@ -37,8 +37,9 @@ sub newbase
        my $pkg = shift;
        my $name = shift;
        my $max = shift;
+       my $coderef = shift;
        confess "LRU->newbase requires a name and maximal count" unless $name && $max;
-       return $pkg->SUPER::new({ }, $max, 0, $name);
+       return $pkg->SUPER::new({ }, $max, 0, $name, $coderef);
 }
 
 sub get
@@ -86,6 +87,7 @@ sub remove
        my $q = $self->obj->{$call};
        confess("$call is already removed") unless $q;
        dbg("LRU $self->[5] cache remove $call now $self->[4]/$self->[3]") if isdbg('lru');
+       &{$self->[5]}($q->obj) if $self->[5];
        $q->obj(1);
        $q->SUPER::del;
        delete $self->obj->{$call};