January 2004
Intermediate to advanced
432 pages
11h 1m
English
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A Historic Look at the fork() Call
The original UNIX fork() call required that the full scope of the calling process's kernel run environment be duplicated. This included the allocation of new process and thread table structures, the duplication of the entire vas/pregion structures, and creation of new region structures in the case of private memory regions and copies of their data pages. If the fork() was called in prelude to an exec() call, then much of this work was almost immediately deconstructed, as the kernel replaced the original process view with the new one.
Another Approach: The Berkeley Virtual Fork
With the introduction of Berkeley's virtual memory UNIX kernel, a new “virtual” fork call was added to the growing system call list. ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.