[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: kernel_thread



On Thu, 7 Nov 2002, Ashoke Saha wrote:

> I am not an OS guy and trying to learn some OS stuff. 
> When we call kernel_thread(), with a function pointer, when is that function
> called ? 
> Does it preemt the thread calling the kernel_thread()  -OR-

No it doesn't.

> the kernel just puts the new thread in run queue and runs it later based in
> scheduling algorithm ?

This is right.

In fact, kernel_thread() works in very similar way to fork() (respecitvely 
clone()) - allocated new task struct, fills in aproropriate values, and 
puts it on the runqueue.

-- 
JiKos.


--
Kernelnewbies: Help each other learn about the Linux kernel.
Archive:       http://mail.nl.linux.org/kernelnewbies/
FAQ:           http://kernelnewbies.org/faq/