+ /**
+ * @brief Checks if the process is already running
+ *
+ * @param string $taskname The name of the task that will be used for the name of the lockfile
+ * @param string $task The path and name of the php script
+ * @param int $timeout The timeout after which a task should be killed
+ *
+ * @return bool Is the process running?
+ */
+ function is_already_running($taskname, $task = "", $timeout = 540) {