diff -r 000000000000 -r d970ebf37754 wp/wp-cron.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wp/wp-cron.php	Wed Nov 06 03:21:17 2013 +0000
@@ -0,0 +1,112 @@
+<?php
+/**
+ * WordPress Cron Implementation for hosts, which do not offer CRON or for which
+ * the user has not set up a CRON job pointing to this file.
+ *
+ * The HTTP request to this file will not slow down the visitor who happens to
+ * visit when the cron job is needed to run.
+ *
+ * @package WordPress
+ */
+
+ignore_user_abort(true);
+
+if ( !empty($_POST) || defined('DOING_AJAX') || defined('DOING_CRON') )
+	die();
+
+/**
+ * Tell WordPress we are doing the CRON task.
+ *
+ * @var bool
+ */
+define('DOING_CRON', true);
+
+if ( !defined('ABSPATH') ) {
+	/** Set up WordPress environment */
+	require_once( dirname( __FILE__ ) . '/wp-load.php' );
+}
+
+// Uncached doing_cron transient fetch
+function _get_cron_lock() {
+	global $wpdb;
+
+	$value = 0;
+	if ( wp_using_ext_object_cache() ) {
+		// Skip local cache and force refetch of doing_cron transient in case
+		// another processs updated the cache
+		$value = wp_cache_get( 'doing_cron', 'transient', true );
+	} else {
+		$row = $wpdb->get_row( $wpdb->prepare( "SELECT option_value FROM $wpdb->options WHERE option_name = %s LIMIT 1", '_transient_doing_cron' ) );
+		if ( is_object( $row ) )
+			$value = $row->option_value;
+	}
+
+	return $value;
+}
+
+if ( false === $crons = _get_cron_array() )
+	die();
+
+$keys = array_keys( $crons );
+$gmt_time = microtime( true );
+
+if ( isset($keys[0]) && $keys[0] > $gmt_time )
+	die();
+
+$doing_cron_transient = get_transient( 'doing_cron');
+
+// Use global $doing_wp_cron lock otherwise use the GET lock. If no lock, trying grabbing a new lock.
+if ( empty( $doing_wp_cron ) ) {
+	if ( empty( $_GET[ 'doing_wp_cron' ] ) ) {
+		// Called from external script/job. Try setting a lock.
+		if ( $doing_cron_transient && ( $doing_cron_transient + WP_CRON_LOCK_TIMEOUT > $gmt_time ) )
+			return;
+		$doing_cron_transient = $doing_wp_cron = sprintf( '%.22F', microtime( true ) );
+		set_transient( 'doing_cron', $doing_wp_cron );
+	} else {
+		$doing_wp_cron = $_GET[ 'doing_wp_cron' ];
+	}
+}
+
+// Check lock
+if ( $doing_cron_transient != $doing_wp_cron )
+	return;
+
+foreach ( $crons as $timestamp => $cronhooks ) {
+	if ( $timestamp > $gmt_time )
+		break;
+
+	foreach ( $cronhooks as $hook => $keys ) {
+
+		foreach ( $keys as $k => $v ) {
+
+			$schedule = $v['schedule'];
+
+			if ( $schedule != false ) {
+				$new_args = array($timestamp, $schedule, $hook, $v['args']);
+				call_user_func_array('wp_reschedule_event', $new_args);
+			}
+
+			wp_unschedule_event( $timestamp, $hook, $v['args'] );
+
+			/**
+			 * Fires scheduled events.
+			 *
+			 * @since 2.1.0
+			 *
+			 * @param string $hook Name of the hook that was scheduled to be fired.
+			 * @param array $v['args'] The arguments to be passed to the hook.
+			 */
+ 			do_action_ref_array( $hook, $v['args'] );
+
+			// If the hook ran too long and another cron process stole the lock, quit.
+			if ( _get_cron_lock() != $doing_wp_cron )
+				return;
+		}
+	}
+}
+
+if ( _get_cron_lock() == $doing_wp_cron )
+	delete_transient( 'doing_cron' );
+
+die();