75 строки
2.3 KiB
C
75 строки
2.3 KiB
C
|
/*
|
||
|
|
* Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
|
||
|
|
* University Research and Technology
|
||
|
|
* Corporation. All rights reserved.
|
||
|
|
* Copyright (c) 2004-2005 The University of Tennessee and The University
|
||
|
|
* of Tennessee Research Foundation. All rights
|
||
|
|
* reserved.
|
||
|
|
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
|
||
|
|
* University of Stuttgart. All rights reserved.
|
||
|
|
* Copyright (c) 2004-2005 The Regents of the University of California.
|
||
|
|
* All rights reserved.
|
||
|
|
* Copyright (c) 2015 Research Organization for Information Science
|
||
|
|
* and Technology (RIST). All rights reserved.
|
||
|
|
* $COPYRIGHT$
|
||
|
|
*
|
||
|
|
* Additional copyrights may follow
|
||
|
|
*
|
||
|
|
* $HEADER$
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "ompi_config.h"
|
||
|
|
|
||
|
|
#include "ompi/mpi/c/bindings.h"
|
||
|
|
#include "ompi/runtime/params.h"
|
||
|
|
#include "ompi/communicator/communicator.h"
|
||
|
|
#include "ompi/errhandler/errhandler.h"
|
||
|
|
#include "ompi/info/info.h"
|
||
|
|
|
||
|
|
#if OMPI_BUILD_MPI_PROFILING
|
||
|
|
#if OPAL_HAVE_WEAK_SYMBOLS
|
||
|
|
#pragma weak MPI_Info_get_nkeys = PMPI_Info_get_nkeys
|
||
|
|
#endif
|
||
|
|
#define MPI_Info_get_nkeys PMPI_Info_get_nkeys
|
||
|
|
#endif
|
||
|
|
|
||
|
|
static const char FUNC_NAME[] = "MPI_Info_get_nkeys";
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* MPI_Info_get_nkeys - Returns the number of keys defined on an
|
||
|
|
* 'MPI_Info' object
|
||
|
|
*
|
||
|
|
* @param info info object (handle)
|
||
|
|
* @param nkeys number of keys defined on 'info' (integer)
|
||
|
|
*
|
||
|
|
* @retval MPI_SUCCESS
|
||
|
|
* @retval MPI_ERR_ARG
|
||
|
|
* @retval MPI_ERR_INFO
|
||
|
|
*
|
||
|
|
* This function returns the number of elements in the list
|
||
|
|
* containing the key-value pairs
|
||
|
|
*/
|
||
|
|
int MPI_Info_get_nkeys(MPI_Info info, int *nkeys)
|
||
|
|
{
|
||
|
|
int err;
|
||
|
|
|
||
|
|
if (MPI_PARAM_CHECK) {
|
||
|
|
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
|
||
|
|
if (NULL == info || MPI_INFO_NULL == info ||
|
||
|
|
ompi_info_is_freed(info)) {
|
||
|
|
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_INFO,
|
||
|
|
FUNC_NAME);
|
||
|
|
}
|
||
|
|
if (NULL == nkeys) {
|
||
|
|
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_ARG,
|
||
|
|
FUNC_NAME);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
OPAL_CR_ENTER_LIBRARY();
|
||
|
|
|
||
|
|
err = ompi_info_get_nkeys(info, nkeys);
|
||
|
|
OMPI_ERRHANDLER_RETURN(err, MPI_COMM_WORLD, err, FUNC_NAME);
|
||
|
|
}
|