RTEMS Executive vs. Kernel

[Joel Sherrill]

I don't object.

However, if you go back in time to the early RTEMS days, executive and
kernel were used interchangeably. Both were less full-featured than what
was called an OS back in those days. Now that RTEMS has file systems,
networking, etc, it is proper under those old conventions to use OS for
RTEMS now but the concurrency and synchronization minimal subset is an
executive/kernel.

But executive is better than kernel now as a term. Executives focus on
services related to managing a thread set.

--joel

On Tue, Jan 22, 2019 at 10:32 AM Gedare Bloom <gedare at rtems.org> wrote:

> I mean, yes let's call it executive. There is no "kernel" in RTEMS.
>
> On Tue, Jan 22, 2019 at 11:32 AM Gedare Bloom <gedare at rtems.org> wrote:
>
>> I think this is appropriate for terminology.
>>
>> On Tue, Jan 22, 2019 at 9:26 AM Sebastian Huber <
>> sebastian.huber at embedded-brains.de> wrote:
>>
>>> Hello,
>>>
>>> in the documentation sometimes the name "executive" and sometimes
>>> "kernel" is used for RTEMS itself. I think "kernel" should be better
>>> used for systems with a kernel/user space separation. I will use RTEMS
>>> executive throughout the documentation if nobody objects.
>>>
>>> --
>>> Sebastian Huber, embedded brains GmbH
>>>
>>> Address : Dornierstr. 4, D-82178 Puchheim, Germany
>>> Phone   : +49 89 189 47 41-16
>>> Fax     : +49 89 189 47 41-09
>>> E-Mail  : sebastian.huber at embedded-brains.de
>>> PGP     : Public key available on request.
>>>
>>> Diese Nachricht ist keine geschäftliche Mitteilung im Sinne des EHUG.
>>>
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>>
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