Kernel module for /proc

Question

How to write a kernel module that creates a directory in /proc named mymod and a file in it name is mymodfile. This file should accept a number ranged from 1 to 3 when written i

Answer 1

There is an article about this in a french magazine called "Gnu/Linux magazine" this month.

I don't have my bookmarks here, but theses links look ok:

http://www.linuxhq.com/lkprogram.html

http://tldp.org/HOWTO/Module-HOWTO/x839.html

http://tldp.org/LDP/lkmpg/2.6/html/lkmpg.html