text: /*
   * Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
   *                         University Research and Technology
   *                         Corporation.  All rights reserved.
   * Copyright (c) 2004-2005 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) 2007      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"
  
  #if OPAL_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
  #pragma weak MPI_Comm_create_keyval = PMPI_Comm_create_keyval
  #endif
  
  #if OMPI_PROFILING_DEFINES
  #include "ompi/mpi/c/profile/defines.h"
  #endif
  
  static const char FUNC_NAME[] = "MPI_Comm_create_keyval";
  
  
  int MPI_Comm_create_keyval(MPI_Comm_copy_attr_function *comm_copy_attr_fn,
                             MPI_Comm_delete_attr_function *comm_delete_attr_fn,
                             int *comm_keyval, void *extra_state)
  {
      int ret;
      ompi_attribute_fn_ptr_union_t copy_fn;
      ompi_attribute_fn_ptr_union_t del_fn;
  
      if (MPI_PARAM_CHECK) {
          OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
          if ((NULL == comm_copy_attr_fn) || (NULL == comm_delete_attr_fn) ||
              (NULL == comm_keyval)) {
              return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_ARG, 
                                            FUNC_NAME);
          }
      }
  
      OPAL_CR_ENTER_LIBRARY();
  
      copy_fn.attr_communicator_copy_fn = (MPI_Comm_internal_copy_attr_function*)comm_copy_attr_fn;
      del_fn.attr_communicator_delete_fn = comm_delete_attr_fn;
  
      ret = ompi_attr_create_keyval(COMM_ATTR, copy_fn, 
                                    del_fn, comm_keyval, extra_state, 0, NULL);
  
      OMPI_ERRHANDLER_RETURN(ret, MPI_COMM_WORLD, MPI_ERR_OTHER, FUNC_NAME);
  }
  