gistfile1.php

<?php
/**
 * Implements hook_cron_queue_info().
 *
 * Define callback functions for queue items.
 */
function pc_rel_cron_queue_info() {
  return array(
    'cleanup_old_guardian_relationships' => array(
      'worker callback' => 'pc_rel_cleanup_old_guardian_relationships',
    ),
  );
}

/**
 *
 */
function pc_rel_cleanup_old_guardian_relationships($data) {
  foreach ($guardian as $guardian) {
    //Get all the children
    //Get all the parents for each kid
    //Verify that the guardian to guardina relationship exists.
  }
}

/**
 *
 */
function pc_rel_update_6005() {
  // Tell drupal that you want resque to process.
  variable_set('queue_class_cleanup_old_guardian_relationships', 'Resque');
  // Get all the guardinas on the site
  while ($guardian_subset = array_slice($all_the_guardians, 500)) {
    DrupalQueue::get(array('guardians' => $guardian_subset));
  }
}