[PATCH] CPU-time clocks

Joel Sherrill joel.sherrill@oarcorp.com
Mon May 16 13:24:00 GMT 2011

On 05/16/2011 07:04 AM, Ralf Corsepius wrote:
> On 05/16/2011 01:02 PM, Corinna Vinschen wrote:
>> On May 15 14:35, Yaakov (Cygwin/X) wrote:
>>> On Sun, 2011-05-15 at 13:49 -0500, Yaakov Selkowitz wrote:
>>>> I have a patch pending for Cygwin to support POSIX CPU-time clocks, but
>>>> newlib needs to be patched first.
>>>> Unfortunately, newlib's clock ID definitions are not POSIX-compliant;
>>>> the names are missing the ending "_ID".  Fixing this will affect RTEMS,
>>>> as they have been using the misnamed definitions for some time.  I have
>>>> a patch for RTEMS' CVS HEAD, but the ramifications may be larger than
>>>> that, I don't know.
>>>> Patch attached.
>> Thanks.  Maybe we should just define CLOCK_PROCESS_CPUTIME and
>> CLOCK_THREAD_CPUTIME for rtems as well.  So the rtems maintainers
>> can decide when this can go away:
> RTEMS prefers to stay in-line with POSIX.
> I.e. a radical switch from *_CPUTIME_ID for RTEMS would be OK with me.
I agree with Ralf.  If anyone is impacted, we will just have
to explain it. It isn't a huge deal for folks to change.  Please
just leave the POSIX constants.

> Ralf

Joel Sherrill, Ph.D.             Director of Research&  Development
joel.sherrill@OARcorp.com        On-Line Applications Research
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