| 术语 | software PCB |
| 释义 | software PCB 软件进程控制块 The data structure used to contain a process's software context. The operation system defines a software PCB for every process when the process is created. The software PCB includes the following kinds of information about the process: current state; storage address if it is swapped out of memory; unique identification of the process; and address of the process header (which contains the hardware PCB). The software PCB resides in system region virtual address space. It is not swapped with a process. 一种数据结构,用于容纳进程的前后关系。在进程建立时,操作系统为每一个进程定义一个软件进程控制 块(PCB)。软件PCB中含有该进程的下列各类信息: 当前状态、换出内存时的存储器 地址、进程的唯一标识符,以及进程标题(含有硬件进程控制块)的地址。软件PCB驻在系统 区虚地址空间,它不与进程进行交换。Software Process Control Block的缩写。 |
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