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openmpi/ompi/mpi/c/comm_f2c.c
Nathan Hjelm c17b21b11d Due to MPI_Comm_idup we can no longer use the communicator's CID as
the fortran handle. Use a seperate opal_pointer_array to keep track of
the fortran handles of communicators.

This commit also fixes a bug in ompi_comm_idup where the newcomm was not
set until after the operation completed.

cmr=v1.7.4:reviewer=jsquyres:ticket=trac:3796

This commit was SVN r29342.

The following Trac tickets were found above:
  Ticket 3796 --> https://svn.open-mpi.org/trac/ompi/ticket/3796
2013-10-03 01:11:28 +00:00

61 строка
1.9 KiB
C

/* -*- Mode: C; c-basic-offset:4 ; -*- */
/*
* Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2007 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) 2006-2012 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/mpi/fortran/base/fint_2_int.h"
#if OPAL_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
#pragma weak MPI_Comm_f2c = PMPI_Comm_f2c
#endif
#if OMPI_PROFILING_DEFINES
#include "ompi/mpi/c/profile/defines.h"
#endif
static const char FUNC_NAME[] = "MPI_Comm_f2c";
MPI_Comm MPI_Comm_f2c(MPI_Fint comm)
{
int o_index= OMPI_FINT_2_INT(comm);
OPAL_CR_NOOP_PROGRESS();
if ( MPI_PARAM_CHECK ) {
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
}
/* Per MPI-2:4.12.4, do not invoke an error handler if we get an
invalid fortran handle. If we get an invalid fortran handle,
return an invalid C handle. */
if ( 0 > o_index ||
o_index >= opal_pointer_array_get_size(&ompi_comm_f_to_c_table)) {
return NULL;
}
return (MPI_Comm)opal_pointer_array_get_item(&ompi_comm_f_to_c_table, o_index);
}