This article analyzes three methods of realizing serial communication program automation, including softwarepolling, communication event and multithread in details.
详细分析了实现串行通讯程序自动化的三种方法：软件查询、通讯事件和多线程。
2
The job identifier can be used later for polling the software distribution status of the job.
此后这个作业的标识符可以用于查询该作业软件分发的状态。
3
Specifying an application domain does not prevent management software from polling device-level metrics such as device load, CPU utilization, memory metrics, and environmental statistics.