December 2011
Intermediate to advanced
485 pages
15h 47m
English
Content preview from OS X and iOS Kernel ProgrammingBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Process Address Spaces
Although there are typically many processes running at any one time, each process is unaware of the other processes running on the system. In fact, without explicit code, one process cannot interact or influence the behavior of another process.
The operating system provides each process with a range of memory within which it is allowed to operate; this is known as the process's address space. The address space is dynamic and changes during execution as a process allocates memory. If a process attempts to read or write to a memory address outside of its address space, the operating system typically terminates it, and the user informed that the application has crashed.
Although protected memory is not new, it is only within ...
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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.