Adding System Calls (an OpenBSD Example)

Contributed by jose on 2003-10-10 from the kernel-coding dept.

BSDForums.org writes: "Kernel programming sometimes feels like a dark art where application programmers should never venture, but sometimes it's the right way to solve a problem. (Oh, and it's also very interesting.) One of the easiest places to start is by adding a new system call to a kernel. Kevin Lo explains how and why, with the OpenBSD kernel in this Onlamp.com article ."

Pretty short article, and a neat way to learn more about kernel internals. What's the worst that can happen, you'll just crash your host and have to reboot a backup kernel ...

(Comments are closed)

Comments

By samh () on 2003-10-10 04:57

Probably the best article about OpenBSD I have read.
By djm () on 2003-10-10 05:50

Great article - I'm looking forward to the one on LKMs.
Comments
1. By dan () on 2003-10-10 10:40
  
  you can check this previous OpenBSD Journal article:
  
  http://www.deadly.org/article.php3?sid=20020725021302
  Comments
  1. By dan () on 2003-10-10 10:41
    
    sorry, wrong URL:
    
    http://deadly.org/article.php3?sid=20010812210650
By Paul () spawn@maltliquor.ca on 2003-10-10 10:22 mailto:spawn@maltliquor.ca

We defintely need more articles like this .. =)
Comments
1. By joe black () on 2003-10-10 11:30
  
  I agree with you.

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