Changeset 32580 for trunk/src/wp-includes/cron.php

Timestamp:

05/24/2015 05:25:52 PM (10 years ago)

Author:

DrewAPicture

Message:

Improve inline documentation for the cron lock behavior.

Props ericlewis.
Fixes #32478.

File:

• trunk/src/wp-includes/cron.php (modified) (2 diffs)

trunk/src/wp-includes/cron.php

@@ -226 +226 @@
 
     /*
-    * multiple processes on multiple web servers can run this code concurrently
-    * try to make this as atomic as possible by setting doing_cron switch
-    */
+     * Get the cron lock, which is a unix timestamp of when the last cron was spawned
+     * and has not finished running.
+     *
+     * Multiple processes on multiple web servers can run this code concurrently,
+     * this lock attempts to make spawning as atomic as possible.
+     */
     $lock = get_transient('doing_cron');
 
@@ -267 +270 @@
     }
 
+    // Set the cron lock with the current unix timestamp, when the cron is being spawned.
     $doing_wp_cron = sprintf( '%.22F', $gmt_time );
     set_transient( 'doing_cron', $doing_wp_cron );