text: /* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
  /*
   * Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
   *                         University Research and Technology
   *                         Corporation.  All rights reserved.
   * Copyright (c) 2004-2020 The University of Tennessee and The University
   *                         of Tennessee Research Foundation.  All rights
   *                         reserved.
   * Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
   *                         University of Stuttgart.  All rights reserved.
   * Copyright (c) 2004-2005 The Regents of the University of California.
   *                         All rights reserved.
   * Copyright (c) 2008      Cisco Systems, Inc.  All rights reserved.
   * Copyright (c) 2015-2017 Research Organization for Information Science
   *                         and Technology (RIST). All rights reserved.
   * Copyright (c) 2016-2017 Los Alamos National Security, LLC. All rights
   *                         reserved.
   * $COPYRIGHT$
   *
   * Additional copyrights may follow
   *
   * $HEADER$
   */
  
  #include "ompi_config.h"
  
  #include "ompi/mpi/c/bindings.h"
  #include "ompi/runtime/params.h"
  #include "ompi/communicator/communicator.h"
  #include "ompi/errhandler/errhandler.h"
  #include "ompi/file/file.h"
  
  #if OMPI_BUILD_MPI_PROFILING
  #if OPAL_HAVE_WEAK_SYMBOLS
  #pragma weak MPI_File_get_errhandler = PMPI_File_get_errhandler
  #endif
  #define MPI_File_get_errhandler PMPI_File_get_errhandler
  #endif
  
  static const char FUNC_NAME[] = "MPI_File_get_errhandler";
  
  
  int MPI_File_get_errhandler( MPI_File file, MPI_Errhandler *errhandler)
  {
    /* Error checking */
  
    if (MPI_PARAM_CHECK) {
      OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
  
      /* Note that MPI-2:9.7 (p265 in the ps; 261 in the pdf) explicitly
         says that you are allowed to set the error handler on
         MPI_FILE_NULL */
  
      if (NULL == file) {
        return OMPI_ERRHANDLER_NOHANDLE_INVOKE(MPI_ERR_FILE,
                                     "MPI_File_get_errhandler");
      } else if (NULL == errhandler) {
        return OMPI_ERRHANDLER_NOHANDLE_INVOKE(MPI_ERR_ARG,
                                     "MPI_File_get_errhandler");
      }
    }
  
    OPAL_THREAD_LOCK(&file->f_lock);
    /* Retain the errhandler, corresponding to object refcount
       decrease in errhandler_free.c. */
    *errhandler = file->error_handler;
    OBJ_RETAIN(file->error_handler);
    OPAL_THREAD_UNLOCK(&file->f_lock);
  
    /* All done */
  
    return MPI_SUCCESS;
  }
  