This source file includes following definitions.
- MPIX_Scatterv_init
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  24 #include "ompi_config.h"
  25 #include <stdio.h>
  26 
  27 #include "ompi/mpi/c/bindings.h"
  28 #include "ompi/runtime/params.h"
  29 #include "ompi/communicator/communicator.h"
  30 #include "ompi/errhandler/errhandler.h"
  31 #include "ompi/datatype/ompi_datatype.h"
  32 #include "ompi/memchecker.h"
  33 #include "ompi/mpiext/pcollreq/c/mpiext_pcollreq_c.h"
  34 #include "ompi/runtime/ompi_spc.h"
  35 
  36 #if OMPI_BUILD_MPI_PROFILING
  37 #if OPAL_HAVE_WEAK_SYMBOLS
  38 #pragma weak MPIX_Scatterv_init = PMPIX_Scatterv_init
  39 #endif
  40 #define MPIX_Scatterv_init PMPIX_Scatterv_init
  41 #endif
  42 
  43 static const char FUNC_NAME[] = "MPIX_Scatterv_init";
  44 
  45 
  46 int MPIX_Scatterv_init(const void *sendbuf, const int sendcounts[], const int displs[],
  47                        MPI_Datatype sendtype, void *recvbuf, int recvcount,
  48                        MPI_Datatype recvtype, int root, MPI_Comm comm, MPI_Info info, MPI_Request *request)
  49 {
  50     int i, size, err;
  51 
  52     SPC_RECORD(OMPI_SPC_SCATTERV_INIT, 1);
  53 
  54     MEMCHECKER(
  55         ptrdiff_t ext;
  56 
  57         size = ompi_comm_remote_size(comm);
  58         ompi_datatype_type_extent(recvtype, &ext);
  59 
  60         memchecker_comm(comm);
  61         if(OMPI_COMM_IS_INTRA(comm)) {
  62               if(ompi_comm_rank(comm) == root) {
  63                 memchecker_datatype(sendtype);
  64                 
  65                 for (i = 0; i < size; i++) {
  66                     memchecker_call(&opal_memchecker_base_isdefined,
  67                                     (char *)(sendbuf)+displs[i]*ext,
  68                                     sendcounts[i], sendtype);
  69                 }
  70                 if(MPI_IN_PLACE != recvbuf) {
  71                     memchecker_datatype(recvtype);
  72                     
  73                     memchecker_call(&opal_memchecker_base_isaddressable, recvbuf, recvcount, recvtype);
  74                 }
  75               } else {
  76                   memchecker_datatype(recvtype);
  77                   
  78                   memchecker_call(&opal_memchecker_base_isaddressable, recvbuf, recvcount, recvtype);
  79               }
  80         } else {
  81             if(MPI_ROOT == root) {
  82                   memchecker_datatype(sendtype);
  83                   
  84                   for (i = 0; i < size; i++) {
  85                       memchecker_call(&opal_memchecker_base_isdefined,
  86                                       (char *)(sendbuf)+displs[i]*ext,
  87                                       sendcounts[i], sendtype);
  88                   }
  89             } else if (MPI_PROC_NULL != root) {
  90                 
  91                 memchecker_call(&opal_memchecker_base_isaddressable, recvbuf, recvcount, recvtype);
  92             }
  93         }
  94     );
  95 
  96     if (MPI_PARAM_CHECK) {
  97         err = MPI_SUCCESS;
  98         OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
  99         if (ompi_comm_invalid(comm)) {
 100             return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_COMM,
 101                                           FUNC_NAME);
 102         } else if ((ompi_comm_rank(comm) != root && MPI_IN_PLACE == recvbuf) ||
 103                    (ompi_comm_rank(comm) == root && MPI_IN_PLACE == sendbuf)) {
 104             return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_ARG, FUNC_NAME);
 105         }
 106 
 107         
 108 
 109         if (OMPI_COMM_IS_INTRA(comm)) {
 110 
 111             
 112 
 113             if ((root >= ompi_comm_size(comm)) || (root < 0)) {
 114                 return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_ROOT, FUNC_NAME);
 115             }
 116 
 117             if (MPI_IN_PLACE != recvbuf) {
 118                 if (recvcount < 0) {
 119                     return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_COUNT,
 120                                                   FUNC_NAME);
 121                 }
 122 
 123                 if (MPI_DATATYPE_NULL == recvtype || NULL == recvtype) {
 124                     return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_TYPE,
 125                                                   FUNC_NAME);
 126                 }
 127             }
 128 
 129             
 130 
 131 
 132 
 133 
 134 
 135             if (ompi_comm_rank(comm) == root) {
 136                 if (NULL == displs) {
 137                     return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_ARG, FUNC_NAME);
 138                 }
 139 
 140                 if (NULL == sendcounts) {
 141                     return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_COUNT, FUNC_NAME);
 142                 }
 143 
 144                 size = ompi_comm_size(comm);
 145                 for (i = 0; i < size; ++i) {
 146                     OMPI_CHECK_DATATYPE_FOR_SEND(err, sendtype, sendcounts[i]);
 147                     OMPI_ERRHANDLER_CHECK(err, comm, err, FUNC_NAME);
 148                 }
 149             }
 150         }
 151 
 152         
 153 
 154         else {
 155             if (! ((root >= 0 && root < ompi_comm_remote_size(comm)) ||
 156                    MPI_ROOT == root || MPI_PROC_NULL == root)) {
 157                 return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_ROOT, FUNC_NAME);
 158             }
 159 
 160           
 161 
 162             if (MPI_ROOT != root && MPI_PROC_NULL != root) {
 163                 if (recvcount < 0) {
 164                     return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_COUNT, FUNC_NAME);
 165                 }
 166 
 167                 if (MPI_DATATYPE_NULL == recvtype || NULL == recvtype) {
 168                     return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_TYPE, FUNC_NAME);
 169                 }
 170             }
 171 
 172             
 173 
 174 
 175 
 176             else if (MPI_ROOT == root) {
 177                 if (NULL == displs) {
 178                     return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_ARG, FUNC_NAME);
 179                 }
 180 
 181                 if (NULL == sendcounts) {
 182                     return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_COUNT, FUNC_NAME);
 183                 }
 184 
 185                 size = ompi_comm_remote_size(comm);
 186                 for (i = 0; i < size; ++i) {
 187                     OMPI_CHECK_DATATYPE_FOR_SEND(err, sendtype, sendcounts[i]);
 188                     OMPI_ERRHANDLER_CHECK(err, comm, err, FUNC_NAME);
 189                 }
 190             }
 191         }
 192     }
 193 
 194     OPAL_CR_ENTER_LIBRARY();
 195 
 196     
 197     err = comm->c_coll->coll_scatterv_init(sendbuf, sendcounts, displs,
 198                                            sendtype, recvbuf, recvcount, recvtype, root, comm,
 199                                            info, request, comm->c_coll->coll_scatterv_init_module);
 200     OMPI_ERRHANDLER_RETURN(err, comm, err, FUNC_NAME);
 201 }