C Question!

wwnn1 · 06-13-2002, 06:59 AM

Is there some system calls to make a process enter the system state?

(we all know that a process is under user state normally).

Mara · 06-13-2002, 03:23 PM

Do you mean running as root?

kahuna · 06-14-2002, 08:09 AM

System state as in Kernel mode? Write a device driver.

wwnn1 · 06-14-2002, 02:04 PM

I am not mean running as root!

as we know, the normal process can only read/write some parts of memory.
what I want to do is that making a process can read/write any parts of memory(RAM)!

Thanks!

Mara · 06-15-2002, 06:55 AM

So you need a process running as root OR a kernel module. Those are the only possibilities I can see.

wwnn1 · 06-15-2002, 10:40 AM

I run the process as root, but it also can not work as I wish!

I want to know something about kernel module in detail.

anyone can help?

Thanks!

Mara · 06-16-2002, 03:56 PM

It's a good idea to get a good book about Linux kernel. Also look there: www.kernelnewbies.org