138 строки
4.3 KiB
C
138 строки
4.3 KiB
C
/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
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/*
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* Copyright (c) 2004-2008 The Trustees of Indiana University and Indiana
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* University Research and Technology
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* Corporation. All rights reserved.
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* Copyright (c) 2004-2005 The University of Tennessee and The University
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* of Tennessee Research Foundation. All rights
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* 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) 2006 Cisco Systems, Inc. All rights reserved.
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* Copyright (c) 2015 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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* These symbols are in a file by themselves to provide nice linker
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* semantics. Since linkers generally pull in symbols by object
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* files, keeping these symbols as the only symbols in this file
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* prevents utility programs such as "ompi_info" from having to import
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* entire components just to query their version and parameters.
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*/
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#include "orte_config.h"
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#include "orte/constants.h"
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#include "opal/util/argv.h"
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#include "orte/mca/plm/plm.h"
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#include "orte/mca/plm/base/base.h"
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#include "orte/mca/plm/base/plm_private.h"
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#include "plm_tm.h"
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/*
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* Public string showing the plm ompi_tm component version number
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*/
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const char *mca_plm_tm_component_version_string =
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"Open MPI tm plm MCA component version " ORTE_VERSION;
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/*
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* Local function
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*/
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static int plm_tm_register(void);
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static int plm_tm_open(void);
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static int plm_tm_close(void);
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static int orte_plm_tm_component_query(mca_base_module_t **module, int *priority);
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/*
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* Instantiate the public struct with all of our public information
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* and pointers to our public functions in it
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*/
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orte_plm_tm_component_t mca_plm_tm_component = {
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{
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/* First, the mca_component_t struct containing meta information
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about the component itself */
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.base_version = {
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ORTE_PLM_BASE_VERSION_2_0_0,
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/* Component name and version */
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.mca_component_name = "tm",
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MCA_BASE_MAKE_VERSION(component, ORTE_MAJOR_VERSION, ORTE_MINOR_VERSION,
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ORTE_RELEASE_VERSION),
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/* Component open and close functions */
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.mca_open_component = plm_tm_open,
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.mca_close_component = plm_tm_close,
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.mca_query_component = orte_plm_tm_component_query,
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.mca_register_component_params = plm_tm_register,
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},
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.base_data = {
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/* The component is checkpoint ready */
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MCA_BASE_METADATA_PARAM_CHECKPOINT
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},
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}
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};
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static int plm_tm_register(void)
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{
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mca_base_component_t *comp = &mca_plm_tm_component.super.base_version;
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mca_plm_tm_component.want_path_check = true;
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(void) mca_base_component_var_register (comp, "want_path_check",
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"Whether the launching process should check for the plm_tm_orted executable in the PATH before launching (the TM API does not give an indication of failure; this is a somewhat-lame workaround; non-zero values enable this check)",
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MCA_BASE_VAR_TYPE_BOOL, NULL, 0, 0,
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OPAL_INFO_LVL_9,
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MCA_BASE_VAR_SCOPE_READONLY,
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&mca_plm_tm_component.want_path_check);
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return ORTE_SUCCESS;
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}
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static int plm_tm_open(void)
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{
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mca_plm_tm_component.checked_paths = NULL;
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return ORTE_SUCCESS;
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}
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static int plm_tm_close(void)
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{
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if (NULL != mca_plm_tm_component.checked_paths) {
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opal_argv_free(mca_plm_tm_component.checked_paths);
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}
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return ORTE_SUCCESS;
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}
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static int orte_plm_tm_component_query(mca_base_module_t **module, int *priority)
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{
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/* Are we running under a TM job? */
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if (NULL != getenv("PBS_ENVIRONMENT") &&
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NULL != getenv("PBS_JOBID")) {
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*priority = 75;
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*module = (mca_base_module_t *) &orte_plm_tm_module;
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return ORTE_SUCCESS;
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}
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/* Sadly, no */
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*module = NULL;
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return ORTE_ERROR;
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}
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