How to make merged variable for 2 packeges ?

[Alex]

How to make merged variable for 2 packeges ?
For example I have 2 packages(POE::Component::My::One, 
POE::Component::My::Two), then i sent from One:

______________________________
package POE::Component::My::One
______________________________
POE::Component::My::Two->spawn
(
 V => $heap->{V},
 POSTBACK => $_[SESSION]->postback($v);
);
______________________________
POE::Component::My::Two
______________________________
sub spawn {
        my $class=shift;
        POE::Session->create
        ( package_states =>
                [$class => [qw(_start do)]]
                ,heap => [EMAIL PROTECTED]);
}
sub do {
        my $v=$_[HEAP]{V};
        $v++;
        $_[HEAP]{POSTBACK}($v)
}
so, then I`ll create it multitasking it will be multiple 
$v++ in one time. How to do merged variable for such 
things?

thanks ;)
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