WordPress 3.4

[autoinstalls/wordpress.git] / wp-includes / cron.php

diff --git a/wp-includes/cron.php b/wp-includes/cron.php
index b7d04f2a2f56b4b633c4c81b135f583ea648d189..9117ae5d348d911151eacdc8aee9f8dd4fa0645b 100644 (file)
--- a/wp-includes/cron.php
+++ b/wp-includes/cron.php
@@ -47,7 +47,7 @@ function wp_schedule_single_event( $timestamp, $hook, $args = array()) {
  * specific interval, specified by you. The action will trigger when someone
  * visits your WordPress site, if the scheduled time has passed.
  *
- * Valid values for the recurrence are hourly, daily and twicedaily.  These can
+ * Valid values for the recurrence are hourly, daily and twicedaily. These can
  * be extended using the cron_schedules filter in wp_get_schedules().
  *
  * Use wp_next_scheduled() to prevent duplicates
@@ -194,8 +194,8 @@ function wp_next_scheduled( $hook, $args = array() ) {
  */
 function spawn_cron( $local_time = 0 ) {
 
-       if ( !$local_time )
-               $local_time = time();
+       if ( ! $local_time )
+               $local_time = microtime( true );
 
        if ( defined('DOING_CRON') || isset($_GET['doing_wp_cron']) )
                return;
@@ -204,13 +204,13 @@ function spawn_cron( $local_time = 0 ) {
        * multiple processes on multiple web servers can run this code concurrently
        * try to make this as atomic as possible by setting doing_cron switch
        */
-       $flag = get_transient('doing_cron');
+       $lock = get_transient('doing_cron');
 
-       if ( $flag > $local_time + 10*60 )
-               $flag = 0;
+       if ( $lock > $local_time + 10*60 )
+               $lock = 0;
 
        // don't run if another process is currently running it or more than once every 60 sec.
-       if ( $flag + 60 > $local_time )
+       if ( $lock + WP_CRON_LOCK_TIMEOUT > $local_time )
                return;
 
        //sanity check
@@ -226,10 +226,11 @@ function spawn_cron( $local_time = 0 ) {
                if ( !empty($_POST) || defined('DOING_AJAX') )
                        return;
 
-               set_transient( 'doing_cron', $local_time );
+               $doing_wp_cron = sprintf( '%.22F', $local_time );
+               set_transient( 'doing_cron', $doing_wp_cron );
 
                ob_start();
-               wp_redirect( add_query_arg('doing_wp_cron', '', stripslashes($_SERVER['REQUEST_URI'])) );
+               wp_redirect( add_query_arg('doing_wp_cron', $doing_wp_cron, stripslashes($_SERVER['REQUEST_URI'])) );
                echo ' ';
 
                // flush any buffers and send the headers
@@ -240,10 +241,11 @@ function spawn_cron( $local_time = 0 ) {
                return;
        }
 
-       set_transient( 'doing_cron', $local_time );
+       $doing_wp_cron = sprintf( '%.22F', $local_time );
+       set_transient( 'doing_cron', $doing_wp_cron );
 
-       $cron_url = get_option( 'siteurl' ) . '/wp-cron.php?doing_wp_cron';
-       wp_remote_post( $cron_url, array('timeout' => 0.01, 'blocking' => false, 'sslverify' => apply_filters('https_local_ssl_verify', true)) );
+       $cron_url = site_url( 'wp-cron.php?doing_wp_cron=' . $doing_wp_cron );
+       wp_remote_post( $cron_url, array( 'timeout' => 0.01, 'blocking' => false, 'sslverify' => apply_filters( 'https_local_ssl_verify', true ) ) );
 }
 
 /**
@@ -262,7 +264,7 @@ function wp_cron() {
        if ( false === $crons = _get_cron_array() )
                return;
 
-       $local_time = time();
+       $local_time = microtime( true );
        $keys = array_keys( $crons );
        if ( isset($keys[0]) && $keys[0] > $local_time )
                return;