Re: Quick Syscall question

From: Randy.Dunlap
Date: Sun Sep 05 2004 - 13:45:26 EST


On Sun, 5 Sep 2004 13:17:42 -0500 Eric Bambach wrote:

| Hello,
|
| This may seem like a silly question, however we were all beginning
| programmers once ;)
|
| I want to do some manipulating of network interfaces and routing and such. I
| am reading through some of the linux net sources but am confused on what are
| internal, kernel-only functions and what are externally visable syscalls. How
| can I tell from the source what is user-space visable that I can hook into
| and what is intternel stuff? Should I just be looking at headers or do I have
| to delve into the .c sources? I can do either, I just need a pointer on where
| to start and what I should be looking for.

Most syscalls are listed in include/linux/syscalls.h.
Also look in include/asm-*/unistd.h.
Also in entry.S in arch/*/ (various sub-directory levels).

--
~Randy
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