d70e2e8c2b
Remains to be tested to ensure everything came over cleanly, so please continue to withhold commits a little longer This commit was SVN r17632.
166 строки
4.8 KiB
C
166 строки
4.8 KiB
C
/*
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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) 2007 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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/**
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* @file
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*
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* RML Framework maintenence interface
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*
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* Interface for starting / stopping / controlling the RML framework,
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* as well as support for modifying RML datatypes.
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*
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* @note The only RML datatype exposed to the user is the RML tag.
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* This will always be an integral value, so the only datatype support
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* really required is the internal DSS functions for packing /
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* unpacking / comparing tags. The user should never need to deal
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* with these.
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*/
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#ifndef MCA_RML_BASE_H
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#define MCA_RML_BASE_H
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#include "orte_config.h"
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#include "opal/mca/mca.h"
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#include "orte/mca/rml/rml.h"
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#include "opal/dss/dss_types.h"
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BEGIN_C_DECLS
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/* ******************************************************************** */
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/**
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* Open the RML framework
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*
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* Open the RML framework. Loads all available RML components and
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* runs their open functions.
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*
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* @retval ORTE_SUCCESS Components successfully loaded
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* @retval ORTE_ERROR An unknown error occurred
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*/
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ORTE_DECLSPEC int orte_rml_base_open(void);
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/**
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* Select an active RML component
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*
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* Select an RML component from the list of frameworks that were
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* opened during orte_rml_base_open(). The orte_rml_base_select()
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* function will fill in the orte_rml structure so that all functions
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* in the interface exist. Note that there are still calling
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* restrictions at that point (see the documentation for
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* orte_rml_component_init_fn_t).
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*
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* All components that are not selected will be closed during this
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* call.
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*
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* @retval ORTE_SUCCESS Components successfully selected
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* @retval ORTE_ERROR An unknown error occurred
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*/
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ORTE_DECLSPEC int orte_rml_base_select(void);
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/**
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* Close the RML framework
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*
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* Close the RML framework, releasing all resources associated with
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* the framework interface. Also closes the active component used
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* during the application.
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*
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* @retval ORTE_SUCCESS Framework successfully shut down
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*/
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ORTE_DECLSPEC int orte_rml_base_close(void);
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/**
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* Post receive to get updates regarding contact information
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*
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* Post a non-blocking receive (likely during orte_init()) to receive
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* updated contact information from the HNP when it becomes available.
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* This should be called in any process that needs such updates, and
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* the receive will continue to get update callbacks until
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* orte_rml_base_comm_stop() is called.
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*
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* @retval ORTE_SUCCESS Receive successfully started
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* @retval ORTE_ERROR An unknown error occurred
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*/
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ORTE_DECLSPEC int orte_rml_base_comm_start(void);
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/**
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* Stop receiving contact information updates
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*
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* Shut down the receive posted during orte_rml_base_comm_start(),
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* likely during orte_finalize().
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*
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* @retval ORTE_SUCCESS Receive succesffully cancelled.
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*/
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ORTE_DECLSPEC int orte_rml_base_comm_stop(void);
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/**
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* Output stream for RML debugging
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*
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* Output stream for the opal_output() code intended for RML output.
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* It will be have its verbosity set according to the MCA parameter
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* rml_base_verbose. Useable between call to orte_rml_base_open() and
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* orte_rml_base_close().
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*/
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ORTE_DECLSPEC extern int orte_rml_base_output;
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/**
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* List of components that are available to the RML
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*
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* List of components that are currently available to the RML
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* framework. Useable between calls to orte_rml_base_open() and
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* orte_rml_base_close().
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*
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* @note This list should not be used by code outside the RML base.
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*/
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ORTE_DECLSPEC extern opal_list_t orte_rml_base_components;
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/**
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* Component structure for the selected RML component
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*
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* Component structure pointer for the currently selected RML
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* component. Useable between calls to orte_rml_base_select() and
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* orte_rml_base_close().
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*
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* @note This pointer should not be used outside the RML base. It is
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* available outside the RML base only for the F/T component.
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*/
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ORTE_DECLSPEC extern orte_rml_component_t *orte_rml_component;
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/*
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* This is the base priority for a RML wrapper component
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* If there exists more than one wrapper, then the one with
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* the lowest priority wins.
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*/
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#define RML_SELECT_WRAPPER_PRIORITY -128
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END_C_DECLS
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#endif /* MCA_RML_BASE_H */
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