MPI_Info_get_nkeys function

Returns the number of currently defined keys in info object.

Syntax

int MPIAPI MPI_Info_get_nkeys(
        MPI_Info info,
  _Out_ int      *nkeys
);

Parameters

• info
  Info object.

• nkeys [out]
  Number of defined keys.

Return value

Returns MPI_SUCCESS on success. Otherwise, the return value is an error code.

In Fortran, the return value is stored in the IERROR parameter.

Fortran

    MPI_INFO_GET_NKEYS(INFO, NKEYS, IERROR)
        INTEGER INFO, NKEYS, IERROR

Requirements

Product	HPC Pack 2012 MS-MPI Redistributable Package, HPC Pack 2008 R2 MS-MPI Redistributable Package, HPC Pack 2008 MS-MPI Redistributable Package or HPC Pack 2008 Client Utilities
Header	Mpi.h; Mpif.h
Library	Msmpi.lib
DLL	Msmpi.dll

See also

MPI Info Object Functions