Match child post taxonomy to parent

// Manage  Taxonomies
function tax_hadle_func($post_id, $post) {

$boat_ids = toolset_get_related_posts($post_id, 'boat-product', 'child');
$child_terms = get_the_terms( $post_id, 'boat-cat' );
$child_term_ids = wp_list_pluck( $child_terms, 'term_id' );
remove_action('save_post', 'tax_hadle_func',30,2);
add_action('save_post', 'tax_hadle_func',30,2);
foreach ($boat_ids as $boat_id) {
wp_set_post_terms( $boat_id, $child_term_ids, 'boat-cat', true );
}
}
add_action('save_post', 'tax_hadle_func',30,2);