[ILUG] kernel time() +passing user variables

[Dave Airlie]

I think you've missed as big piece of kernel/user space... you need to
read up on system calls and ioctls.... a user space application can't just
call functions in kernel space, I'd recommened you dig up some info on
UNIX/Linux before going straight for programming it... it isn't DOS as has
been pointed out ...and basing anyhing on a DOS knowledge is not advisable
...

maybe googling for linux kernel system call might give you a good start as
trying to explain it here would be a lengthy procedure..

Dave.


On Fri, 13 Jul 2001, Oliver Ryan wrote:

> Hi,
>
> 1. if I want to use copy_to/from_user in a kernel module, where do the user
> variables to be passed need to be defined?  Can they be in a header file
> that I include in the kernel module, and which is also included in the user
> space program where the values of the variables are set?
>
> 2. is there a kernel module function call equivalent to the user space call
> of time(NULL)?  What's its header file?
>
> Thanks..the help is appreciated.
>
> Ollie.
>
> Dept. of Physics,
> National University of Ireland, Galway,
> Galway,
> Ireland.
>
> Tel: +353 (0)91 524411 ext. 2716
> Fax: +353 (0)91 750584
>
>

-- 
David Airlie, Software Engineer
http://www.skynet.ie/~airlied / airlied at skynet.ie
pam_smb / Linux DecStation / Linux VAX / ILUG person