path: auto-multiple-choice_1.7.0-3/AMC-perl/AMC/Queue.pm
                    debug "Fork : $p";
                    push @{ $self->{pids} }, $p;
                    $self->{pidof}->{$i} = $p;
                } else {
                    if ( ref( $cs->[0] ) eq 'ARRAY' ) {