106 строки
3.5 KiB
C
106 строки
3.5 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) 2008-2009 Cisco Systems, Inc. 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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#ifndef MCA_OP_EXAMPLE_EXPORT_H
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#define MCA_OP_EXAMPLE_EXPORT_H
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#include "ompi_config.h"
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#include "ompi/mca/mca.h"
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#include "opal/class/opal_object.h"
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#include "ompi/mca/op/op.h"
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BEGIN_C_DECLS
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/**
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* Derive a struct from the base op component struct, allowing us to
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* cache some component-specific information on our well-known
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* component struct.
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*/
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typedef struct {
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/** The base op component struct */
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ompi_op_base_component_1_0_0_t super;
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/* What follows is example-component-specific cached information. We
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tend to use this scheme (caching information on the example
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component itself) instead of lots of individual global
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variables for the component. The following data fields are
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examples; replace them with whatever is relevant for your
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component. */
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/** A simple boolean indicating that the hardware is available. */
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bool hardware_available;
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/** A simple boolean indicating whether double precision is
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supported. */
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bool double_supported;
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} ompi_op_example_component_t;
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/**
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* Derive a struct from the base op module struct, allowing us to
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* cache some module-specific information for BXOR. Note that
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* information that should be shared across all modules should be put
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* on the example component.
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*/
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typedef struct {
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ompi_op_base_module_1_0_0_t super;
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/* Just like the ompi_op_example_component_t, this struct is meant to
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cache information on a per-module basis. What follows are
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examples; replace them with whatever is relevant for your
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component/module. Keep in mind that there will be one distinct
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module for each MPI_Op; you may want to have different data
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cached on the module, depending on the MPI_Op that it is
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supporting. */
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double some_bxor_data;
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} ompi_op_example_module_bxor_t;
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/**
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* To use OMPI's OBJ system, you have to declare each "class".
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*/
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OBJ_CLASS_DECLARATION(ompi_op_example_module_bxor_t);
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/**
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* Globally exported variable. Note that it is a *example* component
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* (defined above), which has the ompi_op_base_component_t as its
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* first member. Hence, the MCA/op framework will find the data that
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* it expects in the first memory locations, but then the component
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* itself can cache additional information after that that can be used
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* by both the component and modules.
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*/
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OMPI_DECLSPEC extern ompi_op_example_component_t
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mca_op_example_component;
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/**
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* Setup for MPI_MAX and return a module.
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*/
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OMPI_DECLSPEC ompi_op_base_module_t *
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ompi_op_example_setup_max(ompi_op_t *op);
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/**
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* Setup for MPI_BXOR and return a module.
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*/
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OMPI_DECLSPEC ompi_op_base_module_t *
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ompi_op_example_setup_bxor(ompi_op_t *op);
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END_C_DECLS
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#endif /* MCA_OP_EXAMPLE_EXPORT_H */
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