Need help regarding kernel threads

From: vinay hegde
Date: Tue Aug 02 2005 - 03:59:17 EST


Hi,

Can sombody help me with the following:

How to differentiate kernel threads from normal
processes inside the Linux kernel code?

I want to handle all the processes headed by "init_
task", in such a way that kernel threads are excluded
in the special processing. But , I am not able to find
out a kernel data structure which helps me in
identifying whether the "task_struct" is a normal
process or a kernel thread.

For ex, if i use the following snippet of code,

for(p=&init_task; (p=next_task(p)) != &init_task;)
{
printk("%s\n", p->comm);
}

it prints all the processes running including kernel
threads(init, keventd, kswapd etc etc). Now, I want to
check whether the "task_struct" is a process or a
kernel thread?

How do I handle processes seperately from kernel
threads??

Thank you,
Vinay.



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