root/ompi/mpi/c/win_get_name.c

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DEFINITIONS

This source file includes following definitions.
  1. MPI_Win_get_name

   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) 2004-2005 The University of Tennessee and The University
   6  *                         of Tennessee Research Foundation.  All rights
   7  *                         reserved.
   8  * Copyright (c) 2004-2005 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) 2008      Cisco Systems, Inc.  All rights reserved.
  13  * Copyright (c) 2015      Research Organization for Information Science
  14  *                         and Technology (RIST). All rights reserved.
  15  * $COPYRIGHT$
  16  *
  17  * Additional copyrights may follow
  18  *
  19  * $HEADER$
  20  */
  21 #include "ompi_config.h"
  22 #include <stdio.h>
  23 
  24 #include "ompi/mpi/c/bindings.h"
  25 #include "ompi/runtime/params.h"
  26 #include "ompi/communicator/communicator.h"
  27 #include "ompi/errhandler/errhandler.h"
  28 #include "ompi/win/win.h"
  29 
  30 #if OMPI_BUILD_MPI_PROFILING
  31 #if OPAL_HAVE_WEAK_SYMBOLS
  32 #pragma weak MPI_Win_get_name = PMPI_Win_get_name
  33 #endif
  34 #define MPI_Win_get_name PMPI_Win_get_name
  35 #endif
  36 
  37 static const char FUNC_NAME[] = "MPI_Win_get_name";
  38 
  39 
  40 int MPI_Win_get_name(MPI_Win win, char *win_name, int *resultlen)
  41 {
  42     int ret;
  43 
  44     if (MPI_PARAM_CHECK) {
  45         OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
  46 
  47         if (ompi_win_invalid(win)) {
  48             return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_WIN, FUNC_NAME);
  49         } else if (NULL == win_name || NULL == resultlen) {
  50             return OMPI_ERRHANDLER_INVOKE(win, MPI_ERR_ARG, FUNC_NAME);
  51         }
  52     }
  53 
  54     OPAL_CR_ENTER_LIBRARY();
  55 
  56     /* Note that MPI-2.1 requires:
  57        - terminating the string with a \0
  58        - name[*resultlen] == '\0'
  59        - and therefore (*resultlen) cannot be > (MPI_MAX_OBJECT_NAME-1)
  60 
  61        The Fortran API version will pad to the right if necessary.
  62 
  63        Note that win->name is guaranteed to be \0-terminated and
  64        able to completely fit into MPI_MAX_OBJECT_NAME bytes (i.e.,
  65        name+\0).  ompi_win_get_name() does the Right things. */
  66     ret = ompi_win_get_name(win, win_name, resultlen);
  67     OMPI_ERRHANDLER_RETURN(ret, win, ret, FUNC_NAME);
  68 }

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