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openmpi/opal/mca/base/base.h
2014-09-08 20:38:46 +00:00

231 строка
8.5 KiB
C

/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
/*
* Copyright (c) 2004-2008 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2007 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2005 The Regents of the University of California.
* All rights reserved.
* Copyright (c) 2009 Cisco Systems, Inc. All rights reserved.
* Copyright (c) 2013 Los Alamos National Security, LLC. All rights
* reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#ifndef MCA_BASE_H
#define MCA_BASE_H
#include "opal_config.h"
#include "opal/class/opal_object.h"
#include "opal/class/opal_list.h"
/*
* These units are large enough to warrant their own .h files
*/
#include "opal/mca/mca.h"
#include "opal/mca/base/mca_base_var.h"
#include "opal/mca/base/mca_base_framework.h"
#include "opal/util/cmd_line.h"
BEGIN_C_DECLS
/*
* Structure for making plain lists of components
*/
struct mca_base_component_list_item_t {
opal_list_item_t super;
const mca_base_component_t *cli_component;
};
typedef struct mca_base_component_list_item_t mca_base_component_list_item_t;
OPAL_DECLSPEC OBJ_CLASS_DECLARATION(mca_base_component_list_item_t);
/*
* Structure for making priority lists of components
*/
struct mca_base_component_priority_list_item_t {
mca_base_component_list_item_t super;
int cpli_priority;
};
typedef struct mca_base_component_priority_list_item_t
mca_base_component_priority_list_item_t;
OPAL_DECLSPEC OBJ_CLASS_DECLARATION(mca_base_component_priority_list_item_t);
/*
* Public variables
*/
OPAL_DECLSPEC extern char *mca_base_component_path;
OPAL_DECLSPEC extern bool mca_base_component_show_load_errors;
OPAL_DECLSPEC extern bool mca_base_component_disable_dlopen;
OPAL_DECLSPEC extern char *mca_base_system_default_path;
OPAL_DECLSPEC extern char *mca_base_user_default_path;
/*
* Public functions
*/
/**
* First function called in the MCA.
*
* @return OPAL_SUCCESS Upon success
* @return OPAL_ERROR Upon failure
*
* This function starts up the entire MCA. It initializes a bunch
* of built-in MCA parameters, and initialized the MCA component
* repository.
*
* It must be the first MCA function invoked. It is normally
* invoked during the initialization stage and specifically
* invoked in the special case of the *_info command.
*/
OPAL_DECLSPEC int mca_base_open(void);
/**
* Last function called in the MCA
*
* @return OPAL_SUCCESS Upon success
* @return OPAL_ERROR Upon failure
*
* This function closes down the entire MCA. It clears all MCA
* parameters and closes down the MCA component respository.
*
* It must be the last MCA function invoked. It is normally invoked
* during the finalize stage.
*/
OPAL_DECLSPEC int mca_base_close(void);
/**
* A generic select function
*
*/
OPAL_DECLSPEC int mca_base_select(const char *type_name, int output_id,
opal_list_t *components_available,
mca_base_module_t **best_module,
mca_base_component_t **best_component);
/**
* A function for component query functions to discover if they have
* been explicitly required to or requested to be selected.
*
* exclusive: If the specified component is the only component that is
* available for selection.
*
*/
OPAL_DECLSPEC int mca_base_is_component_required(opal_list_t *components_available,
mca_base_component_t *component,
bool exclusive,
bool *is_required);
/* mca_base_cmd_line.c */
OPAL_DECLSPEC int mca_base_cmd_line_setup(opal_cmd_line_t *cmd);
OPAL_DECLSPEC int mca_base_cmd_line_process_args(opal_cmd_line_t *cmd,
char ***app_env,
char ***global_env);
OPAL_DECLSPEC void mca_base_cmd_line_wrap_args(char **args);
/* mca_base_component_compare.c */
OPAL_DECLSPEC int mca_base_component_compare_priority(mca_base_component_priority_list_item_t *a,
mca_base_component_priority_list_item_t *b);
OPAL_DECLSPEC int mca_base_component_compare(const mca_base_component_t *a,
const mca_base_component_t *b);
OPAL_DECLSPEC int mca_base_component_compatible(const mca_base_component_t *a,
const mca_base_component_t *b);
OPAL_DECLSPEC char * mca_base_component_to_string(const mca_base_component_t *a);
/* mca_base_component_find.c */
OPAL_DECLSPEC int mca_base_component_find(const char *directory, const char *type,
const mca_base_component_t *static_components[],
const char *requested_components,
opal_list_t *found_components,
bool open_dso_components);
/**
* Parse the requested component string and return an opal_argv of the requested
* (or not requested) components.
*/
int mca_base_component_parse_requested (const char *requested, bool *include_mode,
char ***requested_component_names);
/**
* Filter a list of components based on a comma-delimted list of names and/or
* a set of meta-data flags.
*
* @param[in,out] components List of components to filter
* @param[in] output_id Output id to write to for error/warning/debug messages
* @param[in] filter_names Comma delimited list of components to use. Negate with ^.
* May be NULL.
* @param[in] filter_flags Metadata flags components are required to have set (CR ready)
*
* @returns OPAL_SUCCESS On success
* @returns OPAL_ERR_NOT_FOUND If some component in {filter_names} is not found in
* {components}. Does not apply to negated filters.
* @returns opal error code On other error.
*
* This function closes and releases any components that do not match the filter_name and
* filter flags.
*/
OPAL_DECLSPEC int mca_base_components_filter (const char *framework_name, opal_list_t *components, int output_id,
const char *filter_names, uint32_t filter_flags);
/* Safely release some memory allocated by mca_base_component_find()
(i.e., is safe to call even if you never called
mca_base_component_find()). */
OPAL_DECLSPEC int mca_base_component_find_finalize(void);
/* mca_base_components_register.c */
OPAL_DECLSPEC int mca_base_framework_components_register (struct mca_base_framework_t *framework,
mca_base_register_flag_t flags);
/* mca_base_components_open.c */
OPAL_DECLSPEC int mca_base_framework_components_open (struct mca_base_framework_t *framework,
mca_base_open_flag_t flags);
OPAL_DECLSPEC int mca_base_components_open(const char *type_name, int output_id,
const mca_base_component_t **static_components,
opal_list_t *components_available,
bool open_dso_components);
/* mca_base_components_close.c */
/**
* Close and release a component.
*
* @param[in] component Component to close
* @param[in] output_id Output id for debugging output
*
* After calling this function the component may no longer be used.
*/
OPAL_DECLSPEC void mca_base_component_close (const mca_base_component_t *component, int output_id);
/**
* Release a component without closing it.
* @param[in] component Component to close
* @param[in] output_id Output id for debugging output
*
* After calling this function the component may no longer be used.
*/
void mca_base_component_unload (const mca_base_component_t *component, int output_id);
OPAL_DECLSPEC int mca_base_components_close(int output_id, opal_list_t *components_available,
const mca_base_component_t *skip);
OPAL_DECLSPEC int mca_base_framework_components_close (struct mca_base_framework_t *framework,
const mca_base_component_t *skip);
END_C_DECLS
#endif /* MCA_BASE_H */