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openmpi/ompi/mpi/c/attr_get.c
2016-11-22 15:03:20 -08:00

66 строки
2.0 KiB
C

/*
* Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2006 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) 2015 Research Organization for Information Science
* and Technology (RIST). All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include <stdio.h>
#include "ompi/mpi/c/bindings.h"
#include "ompi/runtime/params.h"
#include "ompi/communicator/communicator.h"
#include "ompi/errhandler/errhandler.h"
#include "ompi/attribute/attribute.h"
#include "ompi/memchecker.h"
#if OMPI_BUILD_MPI_PROFILING
#if OPAL_HAVE_WEAK_SYMBOLS
#pragma weak MPI_Attr_get = PMPI_Attr_get
#endif
#define MPI_Attr_get PMPI_Attr_get
#endif
static const char FUNC_NAME[] = "MPI_Attr_get";
int MPI_Attr_get(MPI_Comm comm, int keyval, void *attribute_val, int *flag)
{
int ret;
MEMCHECKER(
memchecker_comm(comm);
);
if (MPI_PARAM_CHECK) {
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
if ((NULL == attribute_val) || (NULL == flag)) {
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_ARG,
FUNC_NAME);
}
}
OPAL_CR_ENTER_LIBRARY();
/* This stuff is very confusing. Be sure to see
src/attribute/attribute.c for a lengthy comment explaining Open
MPI attribute behavior. */
ret = ompi_attr_get_c(comm->c_keyhash, keyval, (void**)attribute_val, flag);
OMPI_ERRHANDLER_RETURN(ret, comm, ret, FUNC_NAME);
}