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openmpi/ompi/mpi/c/unpack_external.c
Gilles Gouaillardet 880f2d5431 mpi/c: revamp error handling in MPI_{Pack,Unpack}[_external]
Thanks Alex and the folks at Mellanox for the help.

Signed-off-by: Gilles Gouaillardet <gilles@rist.or.jp>
2017-03-01 10:03:31 +09:00

77 строки
2.9 KiB
C

/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
/*
* Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2016 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2004-2008 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) 2006 Cisco Systems, Inc. All rights reserved.
* Copyright (c) 2013 Los Alamos National Security, LLC. All rights
* reserved.
* Copyright (c) 2015-2017 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/datatype/ompi_datatype.h"
#include "opal/datatype/opal_convertor.h"
#include "ompi/memchecker.h"
#if OMPI_BUILD_MPI_PROFILING
#if OPAL_HAVE_WEAK_SYMBOLS
#pragma weak MPI_Unpack_external = PMPI_Unpack_external
#endif
#define MPI_Unpack_external PMPI_Unpack_external
#endif
static const char FUNC_NAME[] = "MPI_Unpack_external";
int MPI_Unpack_external (const char datarep[], const void *inbuf, MPI_Aint insize,
MPI_Aint *position, void *outbuf, int outcount,
MPI_Datatype datatype)
{
int rc = MPI_SUCCESS;
MEMCHECKER(
memchecker_datatype(datatype);
memchecker_call(&opal_memchecker_base_isdefined, outbuf, outcount, datatype);
);
if (MPI_PARAM_CHECK) {
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
if ((NULL == inbuf) || (NULL == position)) { /* outbuf can be MPI_BOTTOM */
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_ARG, FUNC_NAME);
} else if (outcount < 0) {
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_COUNT, FUNC_NAME);
}
OMPI_CHECK_DATATYPE_FOR_RECV(rc, datatype, outcount);
OMPI_ERRHANDLER_CHECK(rc, MPI_COMM_WORLD, rc, FUNC_NAME);
OMPI_CHECK_USER_BUFFER(rc, outbuf, datatype, outcount);
OMPI_ERRHANDLER_CHECK(rc, MPI_COMM_WORLD, rc, FUNC_NAME);
}
OPAL_CR_ENTER_LIBRARY();
rc = ompi_datatype_unpack_external(datarep, inbuf, insize,
position, outbuf, outcount,
datatype);
OPAL_CR_EXIT_LIBRARY();
OMPI_ERRHANDLER_RETURN(rc, MPI_COMM_WORLD, rc, FUNC_NAME);
}