On 9/5/05, Mulyadi Santosa <mulyadi.santosa@xxxxxxxxx> wrote:
> Dear Sabarinathan...
>
> First of all, please CC your reply to the mailing list, so others might
> give better hints and our overall discussion can be archieved :)
>
> > when i am using schedule_timeout (1000), say in (Kernel Module)
> > while (1)
> > {
> > /* my code here */
> > schedule_timeout (1000) ;
> > }
> > I am unable to quit the while loop (say after everything is over)
> > when i press ctrl + C i am unable to come out of it and it hangs so i
>
> Of course you can get out of the loop, you are doing endless while
> loop, remember? :) You need to use somekind of flag variable to get out
> from the loop.
>
> while (your_condition=1)
> {
> schedule_timeout(1000);
> if_you_have_reach_certain_condition {
> your_condition=0;
> }
> }
Both of your code snippets are broken. You *must* set the state before
calling schedule_timeout() to either TASK_INTERRUPTIBLE or
TASK_UNINTERRUPTIBLE. If you don't, then you will have a busy loop. If
you use INTERRUPTIBLE, signals will kill the sleep, in
UNINTERRUPTIBLE, they will not.
Thanks,
Nish
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