text: /* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
  /*
   * Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
   *                         University Research and Technology
   *                         Corporation.  All rights reserved.
   * Copyright (c) 2004-2016 The University of Tennessee and The University
   *                         of Tennessee Research Foundation.  All rights
   *                         reserved.
   * Copyright (c) 2004-2008 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) 2006      Cisco Systems, Inc.  All rights reserved.
   * Copyright (c) 2013      Los Alamos National Security, LLC.  All rights
   *                         reserved.
   * Copyright (c) 2015      Research Organization for Information Science
   *                         and Technology (RIST). All rights reserved.
   * Copyright (c) 2018      FUJITSU LIMITED.  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/mca/pml/pml.h"
  #include "ompi/request/request.h"
  #include "ompi/memchecker.h"
  
  #if OMPI_BUILD_MPI_PROFILING
  #if OPAL_HAVE_WEAK_SYMBOLS
  #pragma weak MPI_Rsend_init = PMPI_Rsend_init
  #endif
  #define MPI_Rsend_init PMPI_Rsend_init
  #endif
  
  static const char FUNC_NAME[] = "MPI_Rsend_init";
  
  
  int MPI_Rsend_init(const void *buf, int count, MPI_Datatype type,
                     int dest, int tag, MPI_Comm comm,
                     MPI_Request *request)
  {
      int rc;
  
      MEMCHECKER(
          memchecker_datatype(type);
          memchecker_call(&opal_memchecker_base_isaddressable, buf, count, type);
          memchecker_comm(comm);
      );
  
      if ( MPI_PARAM_CHECK ) {
          rc = MPI_SUCCESS;
          OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
          if (ompi_comm_invalid(comm)) {
              return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_COMM, FUNC_NAME);
          } else if (count < 0) {
              rc = MPI_ERR_COUNT;
          } else if (MPI_DATATYPE_NULL == type || NULL == type) {
              rc = MPI_ERR_TYPE;
          } else if (tag < 0 || tag > mca_pml.pml_max_tag) {
              rc = MPI_ERR_TAG;
          } else if (ompi_comm_peer_invalid(comm, dest) &&
                     (MPI_PROC_NULL != dest)) {
              rc = MPI_ERR_RANK;
          } else if (request == NULL) {
              rc = MPI_ERR_REQUEST;
          }
          OMPI_ERRHANDLER_CHECK(rc, comm, rc, FUNC_NAME);
      }
  
      if (MPI_PROC_NULL == dest) {
          rc = ompi_request_persistent_noop_create(request);
          OMPI_ERRHANDLER_RETURN(rc, comm, rc, FUNC_NAME);
      }
  
      OPAL_CR_ENTER_LIBRARY();
  
      /*
       * Here, we just initialize the request -- memchecker should set the buffer in MPI_Start.
       */
      rc =  MCA_PML_CALL(isend_init(buf,count,type,dest,tag,
                                    MCA_PML_BASE_SEND_READY,comm,request));
      OMPI_ERRHANDLER_RETURN(rc, comm, rc, FUNC_NAME);
  }
  
  