On Sat, Jun 01, 2002 at 03:58:54PM +0530, J Pradeep wrote:
> On Fri, 31 May 2002, Christine Ames wrote:
> > > while(1){
> > >
> > > // do something
> > >
> > > }
> On the newbies list I guess we need more info. Basically, if you were to
> do this in a normal user context - the processor scheduling would have
> ensured that your system is up and running. But inside the kernel your
> process is not preempted. Which essentially means that the processor is
> busy executing the while loop. You call this state as SYSTEM HANG.
> Non-preemption of the kernel process is the main catch here.
In other words. You have to call schedule() now and then. Eiter
explicitly once a loop, or when waiting for something (wait_on_event
macro or sleep_on , setting state and schedule).
--------------------------------------------------------------------------------
- Jan Hudec `Bulb' <bulb@ucw.cz>
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