1 /* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
2 /*
3  * Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
4  *                         University Research and Technology
5  *                         Corporation.  All rights reserved.
6  * Copyright (c) 2004-2005 The University of Tennessee and The University
7  *                         of Tennessee Research Foundation.  All rights
8  *                         reserved.
9  * Copyright (c) 2004-2008 High Performance Computing Center Stuttgart,
10  *                         University of Stuttgart.  All rights reserved.
11  * Copyright (c) 2004-2005 The Regents of the University of California.
12  *                         All rights reserved.
13  * Copyright (c) 2013      Los Alamos National Security, LLC.  All rights
14  *                         reserved.
15  * Copyright (c) 2015      Research Organization for Information Science
16  *                         and Technology (RIST). All rights reserved.
17  * $COPYRIGHT$
18  *
19  * Additional copyrights may follow
20  *
21  * $HEADER$
22  */
23 
24 #include "ompi_config.h"
25 
26 #include "ompi/mpi/c/bindings.h"
27 #include "ompi/runtime/params.h"
28 #include "ompi/communicator/communicator.h"
29 #include "ompi/errhandler/errhandler.h"
30 #include "ompi/datatype/ompi_datatype.h"
31 #include "ompi/memchecker.h"
32 
33 #if OMPI_BUILD_MPI_PROFILING
34 #if OPAL_HAVE_WEAK_SYMBOLS
35 #pragma weak MPI_Type_create_struct = PMPI_Type_create_struct
36 #endif
37 #define MPI_Type_create_struct PMPI_Type_create_struct
38 #endif
39 
40 static const char FUNC_NAME[] = "MPI_Type_create_struct";
41 
42 
MPI_Type_create_struct(int count,const int array_of_blocklengths[],const MPI_Aint array_of_displacements[],const MPI_Datatype array_of_types[],MPI_Datatype * newtype)43 int MPI_Type_create_struct(int count,
44                            const int array_of_blocklengths[],
45                            const MPI_Aint array_of_displacements[],
46                            const MPI_Datatype array_of_types[],
47                            MPI_Datatype *newtype)
48 {
49     int i, rc;
50 
51     if ( count > 0 ) {
52         for ( i = 0; i < count; i++ ) {
53             MEMCHECKER(
54                 memchecker_datatype(array_of_types[i]);
55                 );
56         }
57     }
58 
59     if( MPI_PARAM_CHECK ) {
60         OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
61         if( count < 0 ) {
62             return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_COUNT,
63                                           FUNC_NAME);
64         } else if( (count > 0) && (NULL == array_of_blocklengths ||
65                                    NULL == array_of_displacements ||
66                                    NULL == array_of_types) ) {
67             return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_ARG, FUNC_NAME);
68         } else if (NULL == newtype) {
69             return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_TYPE, FUNC_NAME);
70         }
71         for ( i = 0; i < count; i++ ){
72             if (NULL == array_of_types[i] ||
73                 MPI_DATATYPE_NULL == array_of_types[i]) {
74                 return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_TYPE,
75                                               FUNC_NAME);
76             } else if (array_of_blocklengths[i] < 0) {
77                 return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_ARG,
78                                               FUNC_NAME);
79             }
80         }
81     }
82 
83     OPAL_CR_ENTER_LIBRARY();
84 
85     rc = ompi_datatype_create_struct( count, array_of_blocklengths, array_of_displacements,
86                                       array_of_types, newtype );
87     if( rc != MPI_SUCCESS ) {
88         ompi_datatype_destroy( newtype );
89         OMPI_ERRHANDLER_RETURN( rc, MPI_COMM_WORLD,
90                                 rc, FUNC_NAME );
91     }
92 
93     {
94         const int* a_i[2] = {&count, array_of_blocklengths};
95 
96         ompi_datatype_set_args( *newtype, count + 1, a_i, count, array_of_displacements,
97                                 count, array_of_types, MPI_COMBINER_STRUCT );
98     }
99 
100     OPAL_CR_EXIT_LIBRARY();
101     return MPI_SUCCESS;
102 }
103