75 строки
1.9 KiB
C
75 строки
1.9 KiB
C
/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
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/*
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* Copyright (c) 2012-2013 Los Alamos National Security, LLC. All rights
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* reserved.
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*/
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#include "ompi/mpi/tool/mpit-internal.h"
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#if OPAL_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
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#pragma weak MPI_T_cvar_handle_alloc = PMPI_T_cvar_handle_alloc
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#endif
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#if OMPI_PROFILING_DEFINES
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#include "ompi/mpi/tool/profile/defines.h"
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#endif
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static const char FUNC_NAME[] = "MPI_T_cvar_handle_alloc";
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int MPI_T_cvar_handle_alloc (int cvar_index, void *obj_handle,
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MPI_T_cvar_handle *handle, int *count)
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{
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ompi_mpit_cvar_handle_t *new_handle;
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int rc = MPI_SUCCESS;;
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if (!mpit_is_initialized ()) {
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return MPI_T_ERR_NOT_INITIALIZED;
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}
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if (MPI_PARAM_CHECK && (NULL == handle || NULL == count)) {
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return MPI_ERR_ARG;
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}
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mpit_lock ();
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*handle = NULL;
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do {
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new_handle = (ompi_mpit_cvar_handle_t *) malloc (sizeof (ompi_mpit_cvar_handle_t));
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if (NULL == new_handle) {
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rc = MPI_T_ERR_MEMORY;
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break;
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}
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rc = mca_base_var_get(cvar_index, &new_handle->var);
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if (OPAL_SUCCESS != rc) {
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rc = (OPAL_ERR_VALUE_OUT_OF_BOUNDS == rc) ? MPI_T_ERR_INVALID_INDEX:
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MPI_ERR_OTHER;
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free (new_handle);
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break;
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}
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new_handle->bound_object = obj_handle;
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if (MCA_BASE_VAR_TYPE_STRING == new_handle->var->mbv_type) {
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/* Arbitrary string limit. Is there a better way to do this? */
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*count = 2048;
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} else {
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/* MCA only supports a single integer at this time. Change me if
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this assumption changes. */
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*count = 1;
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}
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*handle = (MPI_T_cvar_handle) new_handle;
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} while (0);
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mpit_unlock ();
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return rc;
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}
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