How do we know what priority of the Init task is?

Gedare Bloom gedare at rtems.org
Wed Feb 24 16:03:55 UTC 2021


On Wed, Feb 24, 2021 at 12:14 AM Sebastian Huber
<sebastian.huber at embedded-brains.de> wrote:
>
> On 23/02/2021 23:41, Chris Johns wrote:
>
> > On 24/2/21 9:26 am, dufault at hda.com wrote:
> >> I re-read Joel's mail and I agree, the priority should be left ridiculously low (as it is now) or maybe set in the middle (but why bother?).
> >>
> >> I was thinking about matching classic RTEMS behavior.  I don't think it matters in POSIX.
> > The SYSINIT and constructors run on the first created thread before it is
> > enteretd so it makes me wonder if we test initialisation with both types of init
> > task?
> The SYSINIT doesn't run in a task context. It runs in whatever context
> is set up by the BSP low level initialization. Global construction is
> tested for all initialization task variants.
> >
> > Using the same priority would avoid any complication.
> Maybe we should add configuration options for the POSIX initialization
> thread.
+1

The default should not change without careful consideration and a lot
of noise on users mailing list. I can imagine some corner cases where
the POSIX_Init default priority may have been implicitly relied upon.

> >
> > Chris
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