98 строки
3.6 KiB
C
98 строки
3.6 KiB
C
/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
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/*
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* Copyright (c) 2004-2010 The Trustees of Indiana University.
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* All rights reserved.
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* Copyright (c) 2004-2005 The Trustees of the University of Tennessee.
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* All rights reserved.
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* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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* University of Stuttgart. All rights reserved.
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* Copyright (c) 2004-2005 The Regents of the University of California.
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* All rights reserved.
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* Copyright (c) 2007 Evergrid, Inc. All rights reserved.
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* Copyright (c) 2011-2013 Los Alamos National Security, LLC.
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* All rights reserved.
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*
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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 "opal_config.h"
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#ifdef HAVE_STRING_H
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#include <string.h>
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#endif
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#include "opal/mca/mca.h"
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#include "opal/mca/base/base.h"
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#include "opal/constants.h"
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#include "opal/mca/crs/crs.h"
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#include "opal/mca/crs/base/base.h"
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#include "opal/util/output.h"
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#include "opal/mca/crs/base/static-components.h"
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/*
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* Globals
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*/
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opal_crs_base_module_t opal_crs = {
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NULL, /* crs_init */
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NULL, /* crs_finalize */
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NULL, /* crs_checkpoint */
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NULL, /* crs_restart_cmd */
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NULL, /* crs_disable_checkpoint */
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NULL, /* crs_enable_checkpoint */
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NULL, /* crs_prelaunch */
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NULL /* crs_reg_thread */
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};
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opal_crs_base_component_t opal_crs_base_selected_component;
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extern bool opal_crs_base_do_not_select;
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static int opal_crs_base_register (mca_base_register_flag_t flags);
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/* Use default select */
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MCA_BASE_FRAMEWORK_DECLARE(opal, crs, "Checkpoint and Restart Service (CRS)",
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opal_crs_base_register, opal_crs_base_open,
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opal_crs_base_close, mca_crs_base_static_components, 0);
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static int opal_crs_base_register (mca_base_register_flag_t flags)
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{
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int ret;
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/*
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* Note: If we are a tool, then we will manually run the selection routine
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* for the checkpointer. The tool will set the MCA parameter
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* 'crs_base_do_not_select' before opal_init and then reset it after to
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* disable the selection logic.
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* This is useful for opal_restart because it reads the metadata file
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* that indicates the checkpointer to be used after calling opal_init.
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* Therefore it would need to select a specific module, but it doesn't
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* know which one until later. It will set the MCA parameter 'crs'
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* before calling select.
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*/
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ret = mca_base_framework_var_register (&opal_crs_base_framework, "do_not_select",
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"Do not do the selection of the CRS component",
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MCA_BASE_VAR_TYPE_BOOL, NULL, 0, MCA_BASE_VAR_FLAG_SETTABLE |
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MCA_BASE_VAR_FLAG_INTERNAL, OPAL_INFO_LVL_9,
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MCA_BASE_VAR_SCOPE_ALL_EQ, &opal_crs_base_do_not_select);
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return (0 > ret) ? ret : OPAL_SUCCESS;
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}
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/**
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* Function for finding and opening either all MCA components,
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* or the one that was specifically requested via a MCA parameter.
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*/
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int opal_crs_base_open(mca_base_open_flag_t flags)
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{
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if( !opal_cr_is_enabled ) {
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opal_output_verbose(10, opal_crs_base_framework.framework_output,
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"crs:open: FT is not enabled, skipping!");
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return OPAL_ERR_NOT_AVAILABLE;;
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}
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return mca_base_framework_components_open (&opal_crs_base_framework, flags);
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}
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