I'm also a newbie, but It looks to me like it's just finding the init
process and then printing some info about it. Is this actually in the
kernel or is it part of a tutorial of sorts?
On Tue, 26 Oct 2004 22:57:47 -0600, F. A. <alhaidary@xxxxxxxxx> wrote:
> Hello All,
>
> Can anybody explain what is this function in this module doing. this
> is newbie question but thank you for any help?
>
> static int my_init_module(void)
> {
> if (verbose) {
> printk(KERN_ALERT "Module %s has been loaded.\n", MYMODNAME);
> }
>
> /* matching process */
> struct task_struct *p = NULL;
> p = find_task_by_pid(1);
>
> else {
>
> struct thread_struct *thread = &p->thread;
> struct vm86_struct *vm86 = NULL;
> vm86 = thread->vm86_info;
> /* vm86 = p->thread.vm86_info; */
> pid_t mypid;
> mypid = p->pid;
> if (verbose)
> printk(KERN_ALERT "process pid 1 init.\n");
> printk(KERN_ALERT "printit: p = %p\n", p);
> printk(KERN_ALERT "printit: The instruction pointer
> for init is: %lu\n", KSTK_EIP(p));
> printk(KERN_ALERT "printit: The stack pointer for init
> is: %lu\n", KSTK_ESP(p));
> printk(KERN_ALERT "printit: The fs register contains
> %lu\n", thread->fs);
> }
> --
> F. A.
>
> --
> Kernelnewbies: Help each other learn about the Linux kernel.
> Archive: http://mail.nl.linux.org/kernelnewbies/
> FAQ: http://kernelnewbies.org/faq/
>
>
--
Brandon Niemczyk
http://bniemczyk.doesntexist.com
--
Brandon Niemczyk
http://bniemczyk.doesntexist.com
--
Kernelnewbies: Help each other learn about the Linux kernel.
Archive: http://mail.nl.linux.org/kernelnewbies/
FAQ: http://kernelnewbies.org/faq/
