70 строки
2.3 KiB
C
70 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) 2004-2006 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) 2009 Cisco Systems, Inc. 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 OPAL_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
|
|
#pragma weak MPI_Comm_get_attr = PMPI_Comm_get_attr
|
|
#endif
|
|
|
|
#if OMPI_PROFILING_DEFINES
|
|
#include "ompi/mpi/c/profile/defines.h"
|
|
#endif
|
|
|
|
static const char FUNC_NAME[] = "MPI_Comm_get_attr";
|
|
|
|
|
|
int MPI_Comm_get_attr(MPI_Comm comm, int comm_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(comm, MPI_ERR_ARG, FUNC_NAME);
|
|
} else if (ompi_comm_invalid(comm)) {
|
|
return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_COMM, FUNC_NAME);
|
|
} else if (MPI_KEYVAL_INVALID == comm_keyval) {
|
|
return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_KEYVAL, 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, comm_keyval,
|
|
(void**)attribute_val, flag);
|
|
OMPI_ERRHANDLER_RETURN(ret, comm, MPI_ERR_OTHER, FUNC_NAME);
|
|
}
|