- Patch 42498 by m3avrck: unified cron-trackers and added a section that lets you figure out whether cron is running (usability improvement).

cron.php

@@ -27,5 +27,5 @@ module_invoke_all('cron');
 
 // Clean up
 variable_set('cron_busy', false);
+variable_set('cron_last', time());
 watchdog('cron', t('Cron run completed'));
-

database/updates.inc

@@ -1333,3 +1333,11 @@ function system_update_164() {
 
   return $ret;
 }
+
+function system_update_165() {
+  $cron_last = max(variable_get('drupal_cron_last'), variable_get('ping_cron_last'));
+  variable_set('cron_last', $cron_last);
+  variable_del('drupal_cron_last');
+  variable_del('ping_cron_last');
+  return array();
+}

modules/drupal.module

@@ -74,8 +74,7 @@ function drupal_settings() {
  * Implementation of hook_cron(); handles pings to and from the site.
  */
 function drupal_cron() {
-  if (time() - variable_get('drupal_cron_last', 0) > 21600) {
-    variable_set('drupal_cron_last', time());
+  if (time() - variable_get('cron_last', 0) > 21600) {
 
     // If this site acts as a Drupal XML-RPC server, delete the sites that
     // stopped sending "ping" messages.

modules/drupal/drupal.module

@@ -74,8 +74,7 @@ function drupal_settings() {
  * Implementation of hook_cron(); handles pings to and from the site.
  */
 function drupal_cron() {
-  if (time() - variable_get('drupal_cron_last', 0) > 21600) {
-    variable_set('drupal_cron_last', time());
+  if (time() - variable_get('cron_last', 0) > 21600) {
 
     // If this site acts as a Drupal XML-RPC server, delete the sites that
     // stopped sending "ping" messages.

modules/ping.module

@@ -37,11 +37,9 @@ function ping_cron() {
   global $base_url;
 
   if (variable_get('site_name', 0) && variable_get('site_slogan', 0)) {
-    if (db_num_rows(db_query("SELECT nid FROM {node} WHERE status = 1 AND moderate = 0 AND (created > '". variable_get('ping_cron_last', time()) ."' OR changed > '". variable_get('ping_cron_last', time()) ."')"), 1)) {
+    if (db_num_rows(db_query("SELECT nid FROM {node} WHERE status = 1 AND moderate = 0 AND (created > '". variable_get('cron_last', time()) ."' OR changed > '". variable_get('cron_last', time()) ."')"), 1)) {
       _ping_notify(variable_get('site_name', '') .' - '. variable_get('site_slogan', ''), $base_url);
     }
-
-    variable_set('ping_cron_last', time());
   }
 }
 

modules/ping/ping.module

@@ -37,11 +37,9 @@ function ping_cron() {
   global $base_url;
 
   if (variable_get('site_name', 0) && variable_get('site_slogan', 0)) {
-    if (db_num_rows(db_query("SELECT nid FROM {node} WHERE status = 1 AND moderate = 0 AND (created > '". variable_get('ping_cron_last', time()) ."' OR changed > '". variable_get('ping_cron_last', time()) ."')"), 1)) {
+    if (db_num_rows(db_query("SELECT nid FROM {node} WHERE status = 1 AND moderate = 0 AND (created > '". variable_get('cron_last', time()) ."' OR changed > '". variable_get('cron_last', time()) ."')"), 1)) {
       _ping_notify(variable_get('site_name', '') .' - '. variable_get('site_slogan', ''), $base_url);
     }
-
-    variable_set('ping_cron_last', time());
   }
 }
 

modules/system.module

@@ -18,10 +18,10 @@ function system_help($section) {
       $output .= t('<p>You can</p>
 <ul>
 <li>activate your cron job on the cron page <a href="%file-cron">cron.php</a>.</li>
-<li>read how to <a href="%external-http-drupal-org-node-23714">configure cron jobs</a>.</li>
+<li>read how to <a href="%external-http-drupal-org-cron">configure cron jobs</a>.</li>
 <li>administer cache settings in <a href="%admin-settings">administer &gt;&gt; settings</a>.</li>
 </ul>
-', array('%file-cron' => 'cron.php', '%external-http-drupal-org-node-23714' => 'http://drupal.org/node/23714', '%admin-settings' => url('admin/settings')));
+', array('%file-cron' => 'cron.php', '%external-http-drupal-org-cron' => 'http://drupal.org/cron', '%admin-settings' => url('admin/settings')));
       $output .= '<p>'. t('For more information please read the configuration and customization handbook <a href="%system">System page</a>.', array('%system' => 'http://www.drupal.org/handbook/modules/system/')) .'</p>';
       return $output;
     case 'admin/modules#description':
@@ -461,6 +461,10 @@ function system_view_general() {
   $form['strings'] = array('#type' => 'fieldset', '#title' => t('String handling'), '#collapsible' => TRUE, '#collapsed' => TRUE);
   $form['strings'] = array_merge($form['strings'], unicode_settings());
 
+  // Cron: report status and errors.
+  $form['cron'] = array('#type' => 'fieldset', '#title' => t('Cron jobs'), '#collapsible' => TRUE, '#collapsed' => TRUE);
+  $form['cron'] = array_merge($form['cron'], system_cron_settings());
+
   return $form;
 }
 
@@ -479,6 +483,25 @@ function system_check_directory($form_element) {
   return $form_element;
 }
 
+/**
+ * Return the cron status and errors for admin/settings.
+ */
+function system_cron_settings() {
+  $cron_last = variable_get('cron_last', NULL);
+
+  if (is_numeric($cron_last)) {
+    $title = t('Cron properly configured');
+    $status = t('Cron is running. The last cron job ran %time ago.', array('%time' => format_interval(time() - $cron_last)));
+  }
+  else {
+    $title = t('Cron not configured');
+    $status = t('Cron has not run. It appears cron jobs have not been setup on your system. Please check the help pages for <a href="%url">configuring cron jobs</a>.', array('%url' => 'http://drupal.org/cron'));
+  }
+
+  $form['settings'] = array('#type' => 'item', '#title' => $title, '#value' => $status);
+  return $form;
+}
+
 /**
  * Retrieves the current status of an array of files in the system table.
  */

modules/system/system.module

@@ -18,10 +18,10 @@ function system_help($section) {
       $output .= t('<p>You can</p>
 <ul>
 <li>activate your cron job on the cron page <a href="%file-cron">cron.php</a>.</li>
-<li>read how to <a href="%external-http-drupal-org-node-23714">configure cron jobs</a>.</li>
+<li>read how to <a href="%external-http-drupal-org-cron">configure cron jobs</a>.</li>
 <li>administer cache settings in <a href="%admin-settings">administer &gt;&gt; settings</a>.</li>
 </ul>
-', array('%file-cron' => 'cron.php', '%external-http-drupal-org-node-23714' => 'http://drupal.org/node/23714', '%admin-settings' => url('admin/settings')));
+', array('%file-cron' => 'cron.php', '%external-http-drupal-org-cron' => 'http://drupal.org/cron', '%admin-settings' => url('admin/settings')));
       $output .= '<p>'. t('For more information please read the configuration and customization handbook <a href="%system">System page</a>.', array('%system' => 'http://www.drupal.org/handbook/modules/system/')) .'</p>';
       return $output;
     case 'admin/modules#description':
@@ -461,6 +461,10 @@ function system_view_general() {
   $form['strings'] = array('#type' => 'fieldset', '#title' => t('String handling'), '#collapsible' => TRUE, '#collapsed' => TRUE);
   $form['strings'] = array_merge($form['strings'], unicode_settings());
 
+  // Cron: report status and errors.
+  $form['cron'] = array('#type' => 'fieldset', '#title' => t('Cron jobs'), '#collapsible' => TRUE, '#collapsed' => TRUE);
+  $form['cron'] = array_merge($form['cron'], system_cron_settings());
+
   return $form;
 }
 
@@ -479,6 +483,25 @@ function system_check_directory($form_element) {
   return $form_element;
 }
 
+/**
+ * Return the cron status and errors for admin/settings.
+ */
+function system_cron_settings() {
+  $cron_last = variable_get('cron_last', NULL);
+
+  if (is_numeric($cron_last)) {
+    $title = t('Cron properly configured');
+    $status = t('Cron is running. The last cron job ran %time ago.', array('%time' => format_interval(time() - $cron_last)));
+  }
+  else {
+    $title = t('Cron not configured');
+    $status = t('Cron has not run. It appears cron jobs have not been setup on your system. Please check the help pages for <a href="%url">configuring cron jobs</a>.', array('%url' => 'http://drupal.org/cron'));
+  }
+
+  $form['settings'] = array('#type' => 'item', '#title' => $title, '#value' => $status);
+  return $form;
+}
+
 /**
  * Retrieves the current status of an array of files in the system table.
  */