root/ompi/mpi/c/comm_disconnect.c

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DEFINITIONS

This source file includes following definitions.
  1. MPI_Comm_disconnect

   1 /*
   2  * Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
   3  *                         University Research and Technology
   4  *                         Corporation.  All rights reserved.
   5  * Copyright (c) 2004-2017 The University of Tennessee and The University
   6  *                         of Tennessee Research Foundation.  All rights
   7  *                         reserved.
   8  * Copyright (c) 2004-2008 High Performance Computing Center Stuttgart,
   9  *                         University of Stuttgart.  All rights reserved.
  10  * Copyright (c) 2004-2005 The Regents of the University of California.
  11  *                         All rights reserved.
  12  * Copyright (c) 2006      Cisco Systems, Inc.  All rights reserved.
  13  * Copyright (c) 2015      Intel, Inc. All rights reserved.
  14  * Copyright (c) 2015      Research Organization for Information Science
  15  *                         and Technology (RIST). All rights reserved.
  16  * $COPYRIGHT$
  17  *
  18  * Additional copyrights may follow
  19  *
  20  * $HEADER$
  21  */
  22 #include "ompi_config.h"
  23 #include <stdio.h>
  24 
  25 #include "ompi/mpi/c/bindings.h"
  26 #include "ompi/runtime/params.h"
  27 #include "ompi/communicator/communicator.h"
  28 #include "ompi/errhandler/errhandler.h"
  29 #include "ompi/memchecker.h"
  30 
  31 #if OMPI_BUILD_MPI_PROFILING
  32 #if OPAL_HAVE_WEAK_SYMBOLS
  33 #pragma weak MPI_Comm_disconnect = PMPI_Comm_disconnect
  34 #endif
  35 #define MPI_Comm_disconnect PMPI_Comm_disconnect
  36 #endif
  37 
  38 #include "ompi/dpm/dpm.h"
  39 
  40 
  41 static const char FUNC_NAME[] = "MPI_Comm_disconnect";
  42 
  43 
  44 int MPI_Comm_disconnect(MPI_Comm *comm)
  45 {
  46     int ret = MPI_SUCCESS;
  47 
  48     MEMCHECKER(
  49         memchecker_comm(*comm);
  50     );
  51 
  52     if ( MPI_PARAM_CHECK ) {
  53         OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
  54 
  55         if ( ompi_comm_invalid (*comm))
  56             return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_COMM,
  57                                           FUNC_NAME);
  58     }
  59 
  60     if (MPI_COMM_WORLD == *comm || MPI_COMM_SELF == *comm ) {
  61         return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_COMM, FUNC_NAME);
  62     }
  63 
  64     OPAL_CR_ENTER_LIBRARY();
  65 
  66     if ( OMPI_COMM_IS_DYNAMIC(*comm)) {
  67         if (OMPI_SUCCESS != ompi_dpm_disconnect (*comm)) {
  68             ret = OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_COMM, FUNC_NAME);
  69         }
  70     }
  71     else {
  72         (*comm)->c_coll->coll_barrier(*comm, (*comm)->c_coll->coll_barrier_module);
  73     }
  74 
  75     ompi_comm_free(comm);
  76 
  77     OPAL_CR_EXIT_LIBRARY();
  78     return ret;
  79 }

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