bccf8c657a
Current MPI_T support: - Full cvar interface. - Full categories interface. - No pvar support at this time. This commit was SVN r28376.
86 строки
2.4 KiB
C
86 строки
2.4 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/mpit/mpit-internal.h"
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static const char FUNC_NAME[] = "MPI_T_cvar_get_info";
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int MPI_T_cvar_get_info(int cvar_index, char *name, int *name_len, int *verbosity,
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MPI_Datatype *datatype, MPI_T_enum *enumtype, char *desc,
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int *desc_len, int *bind, int *scope)
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{
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const mca_base_var_t *var;
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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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mpit_lock ();
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do {
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rc = mca_base_var_get (cvar_index, &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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break;
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}
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mpit_copy_string (name, name_len, var->mbv_full_name);
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mpit_copy_string (desc, desc_len, var->mbv_description);
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/* find the corresponding mpi type for an mca type */
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switch (var->mbv_type) {
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case MCA_BASE_VAR_TYPE_INT:
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case MCA_BASE_VAR_TYPE_BOOL:
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*datatype = MPI_INT;
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break;
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case MCA_BASE_VAR_TYPE_UNSIGNED_INT:
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*datatype = MPI_UNSIGNED;
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break;
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case MCA_BASE_VAR_TYPE_UNSIGNED_LONG_LONG:
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*datatype = MPI_UNSIGNED_LONG_LONG;
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break;
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case MCA_BASE_VAR_TYPE_SIZE_T:
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if (sizeof(size_t) == sizeof (unsigned long long)) {
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*datatype = MPI_UNSIGNED_LONG_LONG;
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} else {
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*datatype = MPI_UNSIGNED;
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}
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case MCA_BASE_VAR_TYPE_STRING:
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*datatype = MPI_CHAR;
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break;
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default:
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/* Internal error! Did the MCA variable system change? */
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assert (0);
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mpit_unlock ();
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return MPI_ERR_OTHER;
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}
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if (NULL != enumtype) {
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*enumtype = var->mbv_enumerator ? (MPI_T_enum) var->mbv_enumerator : MPI_T_ENUM_NULL;
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}
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if (NULL != scope) {
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*scope = var->mbv_scope;
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}
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/* XXX -- TODO -- All bindings are currently 0. Add support for variable binding. */
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if (NULL != bind) {
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*bind = var->mbv_bind;
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}
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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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