[mpiwg-tools] NULL args in pvar_get_info

[Kathryn Mohror]

Hi Junachao,

> This is a recent item we added to the errata. I don't believe it has been merged into the online errata yet. 

I was mistaken. This correction will be in the next version of the standard and not in the errata. We felt it was slightly too much of a change to be considered an item for the errata. 

Sorry for any confusion!
Kathryn

> 
> The text for the errata is:
>  page 568, line 31 add: Any output parameter to MPI_T_cvar_get_info can have a NULL value. In this case, the implementation will ignore the parameter and not return a value for that parameter.
> 
> page 576, line 46 add: Any output parameter to MPI_T_pvar_get_info can have a NULL value. In this case, the implementation will ignore the parameter and not return a value for that parameter.
> 
> page 586, line 22 add: Any output parameter to MPI_T_category_get_info can have a NULL value. In this case, the implementation will ignore the parameter and not return a value for that parameter.
> 
> You can see the evolution of this change here:
> 
> https://svn.mpi-forum.org/trac/mpi-forum-web/ticket/378
> 
> Kathryn
>  
> On Sep 23, 2013, at 4:03 PM, Junchao Zhang <jczhang at mcs.anl.gov> wrote:
> 
>> Hello,
>>   For function "int MPI_T_pvar_get_info(int pvar_index, char *name, int *name_len, int *verbosity, int *var_class, ...)", MPI_T defines semantics when name or name_len are NULL. 
>>   But for other args, if they are NULL, is it a user program error or should we just ignore it? I prefer the latter. But the standard doesn't say it.
>> 
>>   Thanks
>> --Junchao Zhang
>> _______________________________________________
>> mpiwg-tools mailing list
>> mpiwg-tools at lists.mpi-forum.org
>> http://lists.mpi-forum.org/mailman/listinfo.cgi/mpiwg-tools
> 
> ______________________________________________________________
> Kathryn Mohror, kathryn at llnl.gov, http://people.llnl.gov/mohror1
> CASC @ Lawrence Livermore National Laboratory, Livermore, CA, USA
> 
> 
> 
> 
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______________________________________________________________
Kathryn Mohror, kathryn at llnl.gov, http://people.llnl.gov/mohror1
CASC @ Lawrence Livermore National Laboratory, Livermore, CA, USA




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