text: /*
   * Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
   *                         University Research and Technology
   *                         Corporation.  All rights reserved.
   * Copyright (c) 2004-2005 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) 2010-2012 Oak Ridge National Labs.  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/mca/pml/base/pml_base_bsend.h"
  #include "ompi/memchecker.h"
  
  #if OPAL_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
  #pragma weak MPI_Bsend_init = PMPI_Bsend_init
  #endif
  
  #if OMPI_PROFILING_DEFINES
  #include "ompi/mpi/c/profile/defines.h"
  #endif
  
  static const char FUNC_NAME[] = "MPI_Bsend_init";
  
  
  int MPI_Bsend_init(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 (type == MPI_DATATYPE_NULL) {
              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) {
          *request = OBJ_NEW(ompi_request_t);
          /* Other fields were initialized by the constructor for
             ompi_request_t */
          (*request)->req_type = OMPI_REQUEST_NOOP;
          (*request)->req_status = ompi_request_empty.req_status;
          (*request)->req_complete = true;
          (*request)->req_state = OMPI_REQUEST_INACTIVE;
          (*request)->req_persistent = true;
          (*request)->req_free = ompi_request_persistent_proc_null_free;
          return MPI_SUCCESS;
      }
  
  #if OPAL_ENABLE_FT_MPI
      /*
       * The request will check checked for process failure errors during the
       * completion calls. So no need to check here.
       */
  #endif
  
      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_BUFFERED,comm,request));
      OMPI_ERRHANDLER_RETURN(rc, comm, rc, FUNC_NAME);
  }
  
  