On Sun, 2005-07-03 at 20:17 +0200, Jesper Juhl wrote:
>         while (1) {
....
>                 } else if (time_before(jiffies, wait_until)) {
>                         set_current_state(TASK_INTERRUPTIBLE);
>                         schedule_timeout(HZ);
>                 } else {

Please don't do the manual task state setting.  It's preferable to just
use msleep_interruptable().  jiffies and HZ can change with each kernel
configuration, and are not dependable.  

I've attached an untested patch that cleans up the init function a bit
(I think).

-- Dave