124 строки
3.6 KiB
C
124 строки
3.6 KiB
C
/*
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* Copyright (c) 2004-2005 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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* $COPYRIGHT$
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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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/** @file:
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*
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* The Open MPI Start-up Discovery Service
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*
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*/
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#ifndef ORTE_SDS_H
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#define ORTE_SDS_H
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#include "opal/mca/mca.h"
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/*
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* Module and component structures
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*/
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struct orte_sds_base_module_1_0_0_t;
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typedef struct orte_sds_base_module_1_0_0_t orte_sds_base_module_1_0_0_t;
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typedef orte_sds_base_module_1_0_0_t orte_sds_base_module_t;
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struct orte_sds_base_component_1_0_0_t;
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typedef struct orte_sds_base_component_1_0_0_t orte_sds_base_component_1_0_0_t;
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typedef orte_sds_base_component_1_0_0_t orte_sds_base_component_t;
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/**
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* Selection function
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*
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* Priority list:
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*
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* - 0 singleton process (not seed)
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* - 20 process has name provided by starter
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* - 40 seed process
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* - 60 process has name provided by starter and needs to
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* override seed. This should be used with care, and
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* is mainly intended for environments where orte is
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* not the starter (such as cnos)
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*/
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typedef orte_sds_base_module_t*
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(*orte_sds_base_component_init_fn_t)(int *priority);
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/*
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* Module functions
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*/
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/**
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* Contact universe and set contact information
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*
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* Attempt to contact the universe to get replica contact information.
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*/
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typedef int (*orte_sds_base_contact_universe_fn_t)(void);
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/**
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* Set Name and Job information for current process
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*
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* Set name and job information for current process. This information
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* includes:
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*
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* - orte_process_info.my_name
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* - orte_process_info.vpid_start
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* - orte_process_info.num_procs
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*
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* From this, the ns is able to develop a map of all processes started
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* in the curent job.
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*
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* Upon startup, each process must discover its official ORTE process
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* name. There are several ways this name could be passed to the
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* process. This typicall involves an environmental parameter of some
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* appropriate name, possibly followed by some computation of the vpid
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* based on process rank. This function checks the different
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* environmental parameters to find the one that has been set with the
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* appropriate value, determines (based on that) the name of this
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* process, and then sets that value in the orte_system_info global
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* structure.
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*/
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typedef int (*orte_sds_base_set_name_fn_t)(void);
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typedef int (*orte_sds_base_module_finalize_fn_t)(void);
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/*
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* the standard module data structure
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*/
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struct orte_sds_base_module_1_0_0_t {
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orte_sds_base_contact_universe_fn_t contact_universe;
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orte_sds_base_set_name_fn_t set_name;
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orte_sds_base_module_finalize_fn_t finalize;
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};
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/*
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* the standard component data structure
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*/
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struct orte_sds_base_component_1_0_0_t {
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mca_base_component_t sds_version;
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mca_base_component_data_1_0_0_t sds_data;
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orte_sds_base_component_init_fn_t sds_init;
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};
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/*
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* Macro for use in components that are of type ns v1.0.0
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*/
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#define ORTE_SDS_BASE_VERSION_1_0_0 \
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/* sds v1.0 is chained to MCA v1.0 */ \
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MCA_BASE_VERSION_1_0_0, \
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/* sds v1.0 */ \
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"sds", 1, 0, 0
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#endif
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