SCADA(Supervisory Control And Data Acquisition)系统，即数据采集与监视控制系统。SCADA系统是以计算机为基础的DCS与电力自动化监控系统；它应用领域很广，可以应用于电力、冶金、石油、化工等领域的数据采集与监视控制以及过程控制等诸多领域。 本文件包涵一些关键的函数和全局变量文件，有一定的参考意义。-In power system industry there is a numerous actors who needs access to

Implement a per-cpu hardwall resource class such as UDN or IPI. We use hardwall nomenclature throughout for historical reasons. The lock here controls access to the list data structure as well as to the items on the list. -Implement a per-cpu hard