root/ompi/mpi/tool/pvar_read.c

DEFINITIONS

1. MPI_T_pvar_read

   1 /* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
   2 /*
   3  * Copyright (c) 2012-2013 Los Alamos National Security, LLC. All rights
   4  *                         reserved.
   5  * Copyright (c) 2014 Cisco Systems, Inc.  All rights reserved.
   6  * Copyright (c) 2017      IBM Corporation. All rights reserved.
   7  * $COPYRIGHT$
   8  *
   9  * Additional copyrights may follow
  10  *
  11  * $HEADER$
  12  */
  13 
  14 #include "ompi/mpi/tool/mpit-internal.h"
  15 
  16 #if OPAL_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
  17 #pragma weak MPI_T_pvar_read = PMPI_T_pvar_read
  18 #endif
  19 
  20 #if OMPI_PROFILING_DEFINES
  21 #include "ompi/mpi/tool/profile/defines.h"
  22 #endif
  23 
  24 
  25 int MPI_T_pvar_read(MPI_T_pvar_session session, MPI_T_pvar_handle handle,
  26                     void* buf)
  27 {
  28     int ret;
  29 
  30     if (!mpit_is_initialized ()) {
  31         return MPI_T_ERR_NOT_INITIALIZED;
  32     }
  33 
  34     if (MPI_T_PVAR_ALL_HANDLES == handle || session != handle->session) {
  35         return MPI_T_ERR_INVALID_HANDLE;
  36     }
  37 
  38     ompi_mpit_lock ();
  39 
  40     ret = mca_base_pvar_handle_read_value (handle, buf);
  41 
  42     ompi_mpit_unlock ();
  43 
  44     return ompit_opal_to_mpit_error (ret);
  45 }