comm_get_name: allow MPI_COMM_NULL as argument #13276
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| if ( ompi_comm_invalid ( comm ) ) | ||
| /* Note that MPI 4.1. explicitely allows to invoke comm_get_name | ||
| on MPI_COMM_NULL */ | ||
| if (ompi_comm_invalid(comm) && MPI_COMM_NULL != comm) |
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Assumedly the rest of this function will work properly if MPI_COMM_NULL is passed (e.g., return the string MPI_COMM_NULL)?
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yes, I tested it :-)
MPI 4.1 explicitely allows MPI_COMM_NULL as an argument to MPI_Comm_get_name. Hence, adjust the argument checking accordingly. Fixes Issue open-mpi#12079 Signed-off-by: Edgar Gabriel <[email protected]> Co-authored-by: Jeff Squyres <[email protected]>
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This PR complements open-mpi#13276 to add support for MPI_*_get_name for predefined NULL objects (MPI_DATATYPE_NULL and MPI_WIN_NULL) as requested in MPI 4.1 chapter B 1.2 item 18. Fixes open-mpi#12079. Signed-off-by: George Bosilca <[email protected]>
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MPI 4.1 explicitely allows MPI_COMM_NULL as an argument to MPI_Comm_get_name. Hence, adjust the argument checking accordingly.
Fixes Issue #12079