root/ompi/mpi/c/win_get_attr.c

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DEFINITIONS

This source file includes following definitions.
  1. MPI_Win_get_attr

   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) 2004-2006 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) 2015      Los Alamos National Security, LLC. All rights
  14  *                         reserved.
  15  * Copyright (c) 2015      Research Organization for Information Science
  16  *                         and Technology (RIST). All rights 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/attribute/attribute.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_attr = PMPI_Win_get_attr
  36 #endif
  37 #define MPI_Win_get_attr PMPI_Win_get_attr
  38 #endif
  39 
  40 static const char FUNC_NAME[] = "MPI_Win_get_attr";
  41 
  42 
  43 int MPI_Win_get_attr(MPI_Win win, int win_keyval,
  44                      void *attribute_val, int *flag)
  45 {
  46     int ret;
  47 
  48     if (MPI_PARAM_CHECK) {
  49        OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
  50 
  51        if (ompi_win_invalid(win)) {
  52            return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_WIN, FUNC_NAME);
  53        } else if ((NULL == attribute_val) || (NULL == flag)) {
  54            return OMPI_ERRHANDLER_INVOKE(win, MPI_ERR_ARG, FUNC_NAME);
  55         } else if (MPI_KEYVAL_INVALID == win_keyval) {
  56             return OMPI_ERRHANDLER_INVOKE(win, MPI_ERR_KEYVAL, FUNC_NAME);
  57        }
  58     }
  59 
  60     OPAL_CR_ENTER_LIBRARY();
  61 
  62     /* This stuff is very confusing.  Be sure to see
  63        src/attribute/attribute.c for a lengthy comment explaining Open
  64        MPI attribute behavior. */
  65 
  66     ret = ompi_attr_get_c(win->w_keyhash, win_keyval,
  67                           (void**)attribute_val, flag);
  68 
  69     OMPI_ERRHANDLER_RETURN(ret, win, MPI_ERR_OTHER, FUNC_NAME);
  70 }

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