Hi Daniel, Thanks for your reply. >First of all, this could be done easily from userspace >(in fact, it _should_). You can detect zombies by > looking at /proc and send a mail to admin for > example, as an action. I fully agree that this can be achieved very easily from user space. But I want to get into kernel programming and example which I have taken doesnot suits much but for begineer, it will be good fun. >To iterate over the current tasks on the system: > struct task_struct *task; Thanks for you link. It is very nice and effective. Regards Dinesh --- Daniel Bonekeeper <thehazard@xxxxxxxxx> wrote: > On 8/5/06, Dinesh Ahuja <mdlinux7@xxxxxxxxxxx> > wrote: > > Hi All, > > > > I want to use Kernel thread in Kernel module. The > > purpose of Kernel thread is to access task list > > maintained by Kernel and see if any zombie exists. > If > > zombie exists, it should notify a administrator > about > > this. > > > > As per my understanding, I will be able to use > > kernel_thread in my module as it is exported by a > > static kernel. But to have an access to task list, > I > > need to export this from kernel and recompile a > > kernel. Am I right in my understanding. Please let > me > > know about my understanding. > > > > Regards > > Dinesh > > > > > > > > > > > __________________________________________________________ > > Yahoo! India Answers: Share what you know. Learn > something new > > http://in.answers.yahoo.com/ > > > > -- > > Kernelnewbies: Help each other learn about the > Linux kernel. > > Archive: > http://mail.nl.linux.org/kernelnewbies/ > > FAQ: http://kernelnewbies.org/faq/ > > > > > > Hello Dinesh, > First of all, this could be done easily from > userspace (in fact, it > _should_). You can detect zombies by looking at > /proc and send a mail > to admin for example, as an action. Notifying the > admin from > kernelspace is very tricky, since you can't send > mails from > kernelspace, for a start. If you still want to do > this (for > educational purposes), > To an example on how to create kernel threads you > can take a look on this: > http://www.kernelnewbies.org/Simple_UDP_Server > > To iterate over the current tasks on the system: > > struct task_struct *task; > > for_each_process(task) { > if (task->state == TASK_ZOMBIE) > printk("%s[%d] -- HOLD YOUR BRAIN!\n", task->comm, > task->pid); > } > > > > -- > What this world needs is a good five-dollar plasma > weapon. > __________________________________________________________ Yahoo! India Answers: Share what you know. Learn something new http://in.answers.yahoo.com/ -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
