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Windows 为什么要区分进程和线程,而 Linux 用 task_struct 统一抽象?
Linux 1991 年诞生的时候,Linus 手里就一台 386,单核,单任务。他脑子里根本没有"线程"这个东西,也没有 SMP。内核里唯一的执行流抽象就是进程,一个进程一个 PCB,简单直接。 而 Windows NT 的内核架构,是 1988 年老 Dave Cutler 从 DEC 带了一整个团队过来做的。这帮人是什么背景?做过 VMS,做过 ...
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