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openmpi/ompi/mpi/c/info_get_nkeys.c
Aurélien Bouteiller b37202c74e
Add compliance mode with MPI-4 routing of errors to MPI_COMM_SELF by
default
And other streamlining of aborting behavior.

Signed-off-by: Aurélien Bouteiller <bouteill@icl.utk.edu>

Remove OMPI_COMM_ERRORS and use NOHANDLE macros instead.

Signed-off-by: Aurelien Bouteiller <bouteill@icl.utk.edu>

route unbound errors to self error handler

Signed-off-by: Aurelien Bouteiller <bouteill@icl.utk.edu>

Do not raise the error handler from within components

Signed-off-by: Aurelien Bouteiller <bouteill@icl.utk.edu>
2020-07-23 05:09:29 -04:00

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) 2004-2020 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_NOHANDLE_INVOKE(MPI_ERR_INFO,
FUNC_NAME);
}
if (NULL == nkeys) {
return OMPI_ERRHANDLER_NOHANDLE_INVOKE(MPI_ERR_ARG,
FUNC_NAME);
}
}
OPAL_CR_ENTER_LIBRARY();
err = ompi_info_get_nkeys(info, nkeys);
OMPI_ERRHANDLER_NOHANDLE_RETURN(err, err, FUNC_NAME);
}