root/ompi/mpi/c/type_free.c

DEFINITIONS

1. MPI_Type_free

   1 /*
   2  * Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
   3  *                         University Research and Technology
   4  *                         Corporation.  All rights reserved.
   5  * Copyright (c) 2004-2005 The University of Tennessee and The University
   6  *                         of Tennessee Research Foundation.  All rights
   7  *                         reserved.
   8  * Copyright (c) 2004-2008 High Performance Computing Center Stuttgart,
   9  *                         University of Stuttgart.  All rights reserved.
  10  * Copyright (c) 2004-2005 The Regents of the University of California.
  11  *                         All rights reserved.
  12  * Copyright (c) 2009      Cisco Systems, Inc.  All rights reserved.
  13  * Copyright (c) 2015      Research Organization for Information Science
  14  *                         and Technology (RIST). All rights reserved.
  15  * $COPYRIGHT$
  16  *
  17  * Additional copyrights may follow
  18  *
  19  * $HEADER$
  20  */
  21 
  22 #include "ompi_config.h"
  23 
  24 #include "ompi/mpi/c/bindings.h"
  25 #include "ompi/runtime/params.h"
  26 #include "ompi/communicator/communicator.h"
  27 #include "ompi/errhandler/errhandler.h"
  28 #include "ompi/datatype/ompi_datatype.h"
  29 #include "ompi/memchecker.h"
  30 
  31 #if OMPI_BUILD_MPI_PROFILING
  32 #if OPAL_HAVE_WEAK_SYMBOLS
  33 #pragma weak MPI_Type_free = PMPI_Type_free
  34 #endif
  35 #define MPI_Type_free PMPI_Type_free
  36 #endif
  37 
  38 static const char FUNC_NAME[] = "MPI_Type_free";
  39 
  40 
  41 int MPI_Type_free(MPI_Datatype *type)
  42 {
  43    int rc;
  44 
  45    MEMCHECKER(
  46       memchecker_datatype(*type);
  47    );
  48 
  49    if( MPI_PARAM_CHECK ) {
  50       OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
  51       if (NULL == type || NULL == *type || MPI_DATATYPE_NULL == *type ||
  52           ompi_datatype_is_predefined(*type)) {
  53         return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_TYPE,
  54                                       FUNC_NAME );
  55       }
  56    }
  57 
  58    OPAL_CR_ENTER_LIBRARY();
  59 
  60    rc = ompi_datatype_destroy( type );
  61    if( rc != MPI_SUCCESS ) {
  62       OMPI_ERRHANDLER_RETURN( MPI_ERR_INTERN, MPI_COMM_WORLD,
  63                              MPI_ERR_INTERN, FUNC_NAME );
  64    }
  65    *type = MPI_DATATYPE_NULL;
  66 
  67    OPAL_CR_EXIT_LIBRARY();
  68    return MPI_SUCCESS;
  69 }