root/ompi/mpi/c/comm_set_errhandler.c

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DEFINITIONS

This source file includes following definitions.
  1. MPI_Comm_set_errhandler

   1 /* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
   2 /*
   3  * Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
   4  *                         University Research and Technology
   5  *                         Corporation.  All rights reserved.
   6  * Copyright (c) 2004-2005 The University of Tennessee and The University
   7  *                         of Tennessee Research Foundation.  All rights
   8  *                         reserved.
   9  * Copyright (c) 2004-2008 High Performance Computing Center Stuttgart,
  10  *                         University of Stuttgart.  All rights reserved.
  11  * Copyright (c) 2004-2005 The Regents of the University of California.
  12  *                         All rights reserved.
  13  * Copyright (c) 2015-2017 Research Organization for Information Science
  14  *                         and Technology (RIST). All rights reserved.
  15  * Copyright (c) 2016-2017 Los Alamos National Security, LLC. All rights
  16  *                         reserved.
  17  * $COPYRIGHT$
  18  *
  19  * Additional copyrights may follow
  20  *
  21  * $HEADER$
  22  */
  23 #include "ompi_config.h"
  24 #include <stdio.h>
  25 
  26 #include "ompi/mpi/c/bindings.h"
  27 #include "ompi/runtime/params.h"
  28 #include "ompi/communicator/communicator.h"
  29 #include "ompi/errhandler/errhandler.h"
  30 #include "ompi/memchecker.h"
  31 
  32 #if OMPI_BUILD_MPI_PROFILING
  33 #if OPAL_HAVE_WEAK_SYMBOLS
  34 #pragma weak MPI_Comm_set_errhandler = PMPI_Comm_set_errhandler
  35 #endif
  36 #define MPI_Comm_set_errhandler PMPI_Comm_set_errhandler
  37 #endif
  38 
  39 static const char FUNC_NAME[] = "MPI_Comm_set_errhandler";
  40 
  41 
  42 int MPI_Comm_set_errhandler(MPI_Comm comm, MPI_Errhandler errhandler)
  43 {
  44     MPI_Errhandler tmp;
  45 
  46     /* Error checking */
  47     MEMCHECKER(
  48         memchecker_comm(comm);
  49     );
  50 
  51     OPAL_CR_NOOP_PROGRESS();
  52 
  53     /* Error checking */
  54 
  55     if (MPI_PARAM_CHECK) {
  56         OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
  57         if (ompi_comm_invalid(comm)) {
  58             return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_COMM,
  59                                           FUNC_NAME);
  60         } else if (NULL == errhandler ||
  61                    MPI_ERRHANDLER_NULL == errhandler ||
  62                    ( OMPI_ERRHANDLER_TYPE_COMM != errhandler->eh_mpi_object_type &&
  63                      OMPI_ERRHANDLER_TYPE_PREDEFINED != errhandler->eh_mpi_object_type) ) {
  64             return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_ARG,
  65                                           FUNC_NAME);
  66         }
  67     }
  68 
  69     /* Prepare the new error handler */
  70     OBJ_RETAIN(errhandler);
  71 
  72     OPAL_THREAD_LOCK(&(comm->c_lock));
  73     /* Ditch the old errhandler, and decrement its refcount. */
  74     tmp = comm->error_handler;
  75     comm->error_handler = errhandler;
  76     OBJ_RELEASE(tmp);
  77     OPAL_THREAD_UNLOCK(&(comm->c_lock));
  78 
  79     /* All done */
  80     return MPI_SUCCESS;
  81 }

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