[mpiwg-tools] question about MPI_T_EVENT_GET_INFO

Marc-André Hermanns hermanns at itc.rwth-aachen.de
Mon Feb 15 02:36:21 CST 2021

Dear Ken,

yes, I think you are right in your assessment.

I created a ticket


and an accompanying PR


and we should get this out as quickly as possible as an Erratum to 4.0


On 10.02.21 22:48, Raffenetti, Kenneth J. via mpiwg-tools wrote:
> Hi all,
> In the latest mpi-4.0 RC pg 758, ln 16 describing MPI_T_EVENT_GET_INFO:
>    If the argument to enumtype provided by the user is the MPI_T_ENUM_NULL pointer, no enumeration type is returned.
> This differs from previous get info functions. E.g. MPI_T_PVAR_GET_INFO:
>    ... or the argument enumtype is the null pointer, no enumeration type is returned.
> IMO, the user providing MPI_T_ENUM_NULL to enumtype doesn't make sense. The user would pass a null pointer, as it is an output argument.
> Ken
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Dr. rer. nat. Marc-André Hermanns

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