This source file includes following definitions.
- MPIX_Allgatherv_init
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  26 #include "ompi_config.h"
  27 #include <stdio.h>
  28 
  29 #include "ompi/mpi/c/bindings.h"
  30 #include "ompi/runtime/params.h"
  31 #include "ompi/communicator/communicator.h"
  32 #include "ompi/errhandler/errhandler.h"
  33 #include "ompi/datatype/ompi_datatype.h"
  34 #include "ompi/memchecker.h"
  35 #include "ompi/mpiext/pcollreq/c/mpiext_pcollreq_c.h"
  36 #include "ompi/runtime/ompi_spc.h"
  37 
  38 #if OMPI_BUILD_MPI_PROFILING
  39 #if OPAL_HAVE_WEAK_SYMBOLS
  40 #pragma weak MPIX_Allgatherv_init = PMPIX_Allgatherv_init
  41 #endif
  42 #define MPIX_Allgatherv_init PMPIX_Allgatherv_init
  43 #endif
  44 
  45 static const char FUNC_NAME[] = "MPIX_Allgatherv_init";
  46 
  47 
  48 int MPIX_Allgatherv_init(const void *sendbuf, int sendcount, MPI_Datatype sendtype,
  49                          void *recvbuf, const int recvcounts[], const int displs[],
  50                          MPI_Datatype recvtype, MPI_Comm comm,
  51                          MPI_Info info, MPI_Request *request)
  52 {
  53     int i, size, err;
  54 
  55     SPC_RECORD(OMPI_SPC_ALLGATHERV_INIT, 1);
  56 
  57     MEMCHECKER(
  58         int rank;
  59         ptrdiff_t ext;
  60 
  61         rank = ompi_comm_rank(comm);
  62         size = ompi_comm_size(comm);
  63         ompi_datatype_type_extent(recvtype, &ext);
  64 
  65         memchecker_datatype(recvtype);
  66         memchecker_comm (comm);
  67         
  68         for (i = 0; i < size; i++) {
  69             memchecker_call(&opal_memchecker_base_isaddressable,
  70                             (char *)(recvbuf)+displs[i]*ext,
  71                             recvcounts[i], recvtype);
  72         }
  73 
  74         
  75         if (MPI_IN_PLACE == sendbuf) {
  76             memchecker_call(&opal_memchecker_base_isdefined,
  77                             (char *)(recvbuf)+displs[rank]*ext,
  78                             recvcounts[rank], recvtype);
  79         } else {
  80             memchecker_datatype(sendtype);
  81             memchecker_call(&opal_memchecker_base_isdefined, sendbuf, sendcount, sendtype);
  82         }
  83     );
  84 
  85     if (MPI_PARAM_CHECK) {
  86 
  87         
  88 
  89 
  90         err = MPI_SUCCESS;
  91         OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
  92         if (ompi_comm_invalid(comm)) {
  93             return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_COMM,
  94                                           FUNC_NAME);
  95         } else if ((MPI_IN_PLACE == sendbuf && OMPI_COMM_IS_INTER(comm)) ||
  96                    MPI_IN_PLACE == recvbuf) {
  97             return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_ARG, FUNC_NAME);
  98         } else if (MPI_DATATYPE_NULL == recvtype) {
  99             return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_TYPE, FUNC_NAME);
 100         }
 101 
 102         if (MPI_IN_PLACE != sendbuf) {
 103             OMPI_CHECK_DATATYPE_FOR_SEND(err, sendtype, sendcount);
 104         }
 105         OMPI_ERRHANDLER_CHECK(err, comm, err, FUNC_NAME);
 106 
 107       
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 109 
 110 
 111 
 112         size = ompi_comm_remote_size(comm);
 113         for (i = 0; i < size; ++i) {
 114           if (recvcounts[i] < 0) {
 115             return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_COUNT, FUNC_NAME);
 116           }
 117         }
 118 
 119         if (NULL == displs) {
 120           return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_BUFFER, FUNC_NAME);
 121         }
 122     }
 123 
 124     OPAL_CR_ENTER_LIBRARY();
 125 
 126     
 127     err = comm->c_coll->coll_allgatherv_init(sendbuf, sendcount, sendtype,
 128                                              recvbuf, recvcounts, displs,
 129                                              recvtype, comm, info, request,
 130                                              comm->c_coll->coll_allgatherv_init_module);
 131     OMPI_ERRHANDLER_RETURN(err, comm, err, FUNC_NAME);
 132 }
 133