(PECL gearman >= 0.5.0)
GearmanClient::addTaskHighBackground — Add a high priority background task to be run in parallel
$function_name
, string $workload
[, mixed &$context
[, string $unique
]] ) : GearmanTaskAdds a high priority background task to be run in parallel with other tasks. Call this method for all the tasks to be run in parallel, then call GearmanClient::runTasks() to perform the work. Tasks with a high priority will be selected from the queue before those of normal or low priority.
function_name
�ɳ����Զ�ִ�е���ע�ắ����
workload
����������л����ݡ�
context
�����������Ӧ�ó��������ġ�
unique
���ڱ�ʶ�ض������Ψһ�� ID��
A GearmanTask object or FALSE
if the task could not be added.