root/ompi/mpi/c/win_get_errhandler.c

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DEFINITIONS

This source file includes following definitions.
  1. MPI_Win_get_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) 2004-2005 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) 2008-2009 Cisco Systems, Inc.  All rights reserved.
  14  * Copyright (c) 2015-2017 Research Organization for Information Science
  15  *                         and Technology (RIST). All rights reserved.
  16  * Copyright (c) 2016      Los Alamos National Security, LLC. All rights
  17  *                         reserved.
  18  * $COPYRIGHT$
  19  *
  20  * Additional copyrights may follow
  21  *
  22  * $HEADER$
  23  */
  24 #include "ompi_config.h"
  25 #include <stdio.h>
  26 
  27 #include "ompi/mpi/c/bindings.h"
  28 #include "ompi/runtime/params.h"
  29 #include "ompi/communicator/communicator.h"
  30 #include "ompi/errhandler/errhandler.h"
  31 #include "ompi/win/win.h"
  32 
  33 #if OMPI_BUILD_MPI_PROFILING
  34 #if OPAL_HAVE_WEAK_SYMBOLS
  35 #pragma weak MPI_Win_get_errhandler = PMPI_Win_get_errhandler
  36 #endif
  37 #define MPI_Win_get_errhandler PMPI_Win_get_errhandler
  38 #endif
  39 
  40 static const char FUNC_NAME[] = "MPI_Win_get_errhandler";
  41 
  42 
  43 int MPI_Win_get_errhandler(MPI_Win win, MPI_Errhandler *errhandler)
  44 {
  45     OPAL_CR_NOOP_PROGRESS();
  46 
  47     if (MPI_PARAM_CHECK) {
  48         OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
  49         if (ompi_win_invalid(win)) {
  50             return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_WIN,
  51                                           FUNC_NAME);
  52         } else if (NULL == errhandler) {
  53             return OMPI_ERRHANDLER_INVOKE(win, MPI_ERR_ARG,
  54                                           FUNC_NAME);
  55         }
  56     }
  57 
  58     OPAL_THREAD_LOCK(&win->w_lock);
  59     /* Retain the errhandler, corresponding to object refcount
  60        decrease in errhandler_free.c. */
  61     OBJ_RETAIN(win->error_handler);
  62     *errhandler = win->error_handler;
  63     OPAL_THREAD_UNLOCK(&win->w_lock);
  64 
  65     /* All done */
  66     return MPI_SUCCESS;
  67 }

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