[Chapter 3 Process]Practice 3.9 Describe the actions token by a kernel to content-switch between processes.
3.9 Describe the actions token by a kernel to content-switch between processes.
答案:
内核在进行进程上下文切换时, 首先将当前进程的上下文保存在内存中的PCB中, 然后再将下一个进程在内存中的PCB里的上下文读取出来。 上下文包含CPU寄存器里的内容, 堆, 用户栈, 内存管理信息, 数据, 文本。
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