Issue #1509996 by jhedstrom: Added Convert hook_cron_queue_info() to hook_queue_info().

core/includes/common.inc

@@ -5305,8 +5305,8 @@ function drupal_cron_run() {
 
   $return = FALSE;
   // Grab the defined cron queues.
-  $queues = module_invoke_all('cron_queue_info');
-  drupal_alter('cron_queue_info', $queues);
+  $queues = module_invoke_all('queue_info');
+  drupal_alter('queue_info', $queues);
 
   // Try to acquire cron lock.
   if (!lock_acquire('cron', 240.0)) {
@@ -5317,7 +5317,9 @@ function drupal_cron_run() {
     // Make sure every queue exists. There is no harm in trying to recreate an
     // existing queue.
     foreach ($queues as $queue_name => $info) {
-      queue($queue_name)->createQueue();
+      if (isset($info['cron'])) {
+        queue($queue_name)->createQueue();
+      }
     }
     // Register shutdown callback.
     drupal_register_shutdown_function('drupal_cron_cleanup');
@@ -5345,12 +5347,14 @@ function drupal_cron_run() {
   }
 
   foreach ($queues as $queue_name => $info) {
-    $function = $info['worker callback'];
-    $end = time() + (isset($info['time']) ? $info['time'] : 15);
-    $queue = queue($queue_name);
-    while (time() < $end && ($item = $queue->claimItem())) {
-      $function($item->data);
-      $queue->deleteItem($item);
+    if (isset($info['cron'])) {
+      $function = $info['worker callback'];
+      $end = time() + (isset($info['cron']['time']) ? $info['cron']['time'] : 15);
+      $queue = queue($queue_name);
+      while (time() < $end && ($item = $queue->claimItem())) {
+        $function($item->data);
+        $queue->deleteItem($item);
+      }
     }
   }
   // Restore the user.

core/modules/aggregator/aggregator.module

@@ -331,12 +331,15 @@ function aggregator_cron() {
 }
 
 /**
- * Implements hook_cron_queue_info().
+ * Implements hook_queue_info().
  */
-function aggregator_cron_queue_info() {
+function aggregator_queue_info() {
   $queues['aggregator_feeds'] = array(
+    'title' => t('Aggregator refresh'),
     'worker callback' => 'aggregator_refresh',
-    'time' => 60,
+    'cron' => array(
+      'time' => 60,
+    ),
   );
   return $queues;
 }

core/modules/system/system.api.php

@@ -120,7 +120,7 @@ function hook_admin_paths_alter(&$paths) {
  * Long-running tasks and tasks that could time out, such as retrieving remote
  * data, sending email, and intensive file tasks, should use the queue API
  * instead of executing the tasks directly. To do this, first define one or
- * more queues via hook_cron_queue_info(). Then, add items that need to be
+ * more queues via hook_queue_info(). Then, add items that need to be
  * processed to the defined queues.
  */
 function hook_cron() {
@@ -154,22 +154,33 @@ function hook_cron() {
  * items in the queue, otherwise it might take several requests, which can be
  * run in parallel.
  *
+ * You can create queues, add items to them, claim them, etc without declaring
+ * the queue in this hook if you want, however, you need to take care of
+ * processing the items in the queue in that case.
+ *
  * @return
  *   An associative array where the key is the queue name and the value is
  *   again an associative array. Possible keys are:
  *   - 'worker callback': The name of the function to call. It will be called
  *     with one argument, the item created via
  *     Drupal\Core\Queue\QueueInterface::createItem() in hook_cron().
- *   - 'time': (optional) How much time Drupal should spend on calling this
- *     worker in seconds. Defaults to 15.
+ *   - 'cron': (optional) An associative array containing the optional key:
+ *     - 'time': (optional) How much time Drupal cron should spend on calling
+ *       this worker in seconds. Defaults to 15.
+ *     If the cron key is not defined, the queue will not be processed by cron,
+ *     and must be processed by other means.
  *
  * @see hook_cron()
- * @see hook_cron_queue_info_alter()
+ * @see hook_queue_info_alter()
  */
-function hook_cron_queue_info() {
+function hook_queue_info() {
   $queues['aggregator_feeds'] = array(
+    'title' => t('Aggregator refresh'),
     'worker callback' => 'aggregator_refresh',
-    'time' => 60,
+    // Only needed if this queue should be processed by cron.
+    'cron' => array(
+      'time' => 60,
+    ),
   );
   return $queues;
 }
@@ -183,13 +194,13 @@ function hook_cron_queue_info() {
  * @param array $queues
  *   An array of cron queue information.
  *
- * @see hook_cron_queue_info()
+ * @see hook_queue_info()
  * @see drupal_cron_run()
  */
-function hook_cron_queue_info_alter(&$queues) {
+function hook_queue_info_alter(&$queues) {
   // This site has many feeds so let's spend 90 seconds on each cron run
   // updating feeds instead of the default 60.
-  $queues['aggregator_feeds']['time'] = 90;
+  $queues['aggregator_feeds']['cron']['time'] = 90;
 }
 
 /**