Failed to create a new task

[Adam Lackorzynski]

On Sun Mar 09, 2008 at 23:31:47 -0700, ahmad kamal wrote:
> is rmgr a roottask?

Yes.

> why we need to rmgr_get_task(int taskno)?

Because you need to have the right to create new tasks and roottask is
implementing the policy for this so that you can create them.
 
> ----- Original Message ----
> From: Adam Lackorzynski <adam at os.inf.tu-dresden.de>
> To: l4-hackers at os.inf.tu-dresden.de
> Sent: Monday, March 10, 2008 7:43:17 AM
> Subject: Re: Failed to create a new task
> 
> Hi,
> 
> On Sat Mar 08, 2008 at 22:54:30 -0800, ahmad kamal wrote:
> > I've failed to create a new task:
> > 
> > the l4_task_new in my code return 0 (L4_NIL_ID) which is indicate
> > either the task was create as inactive or didn't create at all.
> 
> Good you have posted the source.
> 
> I think the problem is that you need to get the right for creating new
> tasks first. Depending whether simple_ts is started or not you need to
> use
>   l4ts_allocate_task2(0, &tid)
> or
>   rmgr_get_task(num)
> 
> before the l4_task_new. Then it should work.


Adam
-- 
Adam                 adam at os.inf.tu-dresden.de
  Lackorzynski         http://os.inf.tu-dresden.de/~adam/