From dad0250e5a8d9e9d51509147ba0815da764bfa78 Mon Sep 17 00:00:00 2001
From: Eric van der Vlist <vdv@dyomedea.com>
Date: Sat, 4 Jun 2011 15:55:15 +0200
Subject: [PATCH] #2: trying to implement a semaphore with wp_options...

---
 wordpress/plugins/owark/owark.php | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/wordpress/plugins/owark/owark.php b/wordpress/plugins/owark/owark.php
index 14055b4..b64bbb7 100644
--- a/wordpress/plugins/owark/owark.php
+++ b/wordpress/plugins/owark/owark.php
@@ -460,6 +460,13 @@ if (!class_exists("Owark")) {
          *
          */
         public static function schedule($occurrences) {
+
+            $archiving  = get_option( 'owark_archiving', false);
+            if (! $archiving) {
+                update_option('owark_archiving', true);
+            } else {
+                return;
+            }
             global $wpdb;
 
             $query = "SELECT DISTINCT final_url from {$wpdb->prefix}blc_links
@@ -490,6 +497,7 @@ if (!class_exists("Owark")) {
                 }
 
             }
+            delete_option('owark_archiving');
         }