change log for rtems (2011-02-17)

[Joel Sherrill]

On 02/21/2011 06:33 AM, Ralf Corsepius wrote:
> On 02/21/2011 01:19 PM, Peter Dufault wrote:
>> On Feb 21, 2011, at 5:49 , Sebastian Huber wrote:
>>
>>>> +  Scheduler_Control  _Scheduler = {
>>>> +    .Ready_queues.priority = NULL,
>>>> +    .Operations            = SCHEDULER_ENTRY_POINTS
>>>>     };
>> Yes, please, no more of those in header files!
> ACK.
Sorry.  I didn't realize it wasn't cool in C++ and actually
thought it was nicely self-documenting.
> BTW1: In before-C99 times, it was considered to be good style to add
> comments in such slots, e.g.
> ...
> /* Operations */ SCHEDULER_ENTRY_POINTS,
> ...
> or (a matter of personal preference)
> SCHEDULER_ENTRY_POINTS /* Operations */,
> ...
>
> (c.f. the X11 sources for real world examples of habit).
>
>
OK.  Good point.  I will add some comments.  I prefer the
second form also.
> BTW2: I consider this kind of "entries defines" inside of confdefs.h's
> to be a broken and flawed design. However, I am ranting against them as
> long as I am involved into RTEMS :)
>
RTEMS configuration is by filling in tables.  confdefs just automates
that.
>> Is there a general RTEMS rule that this isn't allowed in a header file if it is visible in C++?
> All public header files are supposed to be C++ safe and self-contained.
>
>> I'll open some bug reports.
> Please do so.
>
> [I guess, I better should revive a "never finished", "nice-to-have"
> RTEMS side-project I have laying around "abandoned" for several years:
> A testsuite to check the RTEMS headers.]
>
The missing extern C and other C++ issues does appear
to be a recurring theme.
> Ralf
>
>
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Joel Sherrill, Ph.D.             Director of Research&  Development
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