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/*
* Copyright (c) 2004-2010 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2015 Cisco Systems, Inc. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#ifndef OPAL_DL_BASE_H
#define OPAL_DL_BASE_H
#include "opal_config.h"
#include "opal/mca/dl/dl.h"
#include "opal/util/opal_environ.h"
#include "opal/runtime/opal_cr.h"
#include "opal/mca/base/base.h"
BEGIN_C_DECLS
/**
* Globals
*/
OPAL_DECLSPEC extern mca_base_framework_t opal_dl_base_framework;
OPAL_DECLSPEC extern opal_dl_base_component_t
*opal_dl_base_selected_component;
OPAL_DECLSPEC extern opal_dl_base_module_t *opal_dl;
/**
* Initialize the DL MCA framework
*
* @retval OPAL_SUCCESS Upon success
* @retval OPAL_ERROR Upon failures
*
* This function is invoked during opal_init();
*/
OPAL_DECLSPEC int opal_dl_base_open(mca_base_open_flag_t flags);
/**
* Select an available component.
*
* @retval OPAL_SUCCESS Upon Success
* @retval OPAL_NOT_FOUND If no component can be selected
* @retval OPAL_ERROR Upon other failure
*
*/
OPAL_DECLSPEC int opal_dl_base_select(void);
/**
* Finalize the DL MCA framework
*
* @retval OPAL_SUCCESS Upon success
* @retval OPAL_ERROR Upon failures
*
* This function is invoked during opal_finalize();
*/
OPAL_DECLSPEC int opal_dl_base_close(void);
/**
* Open a DSO
*
* (see opal_dl_base_module_open_ft_t in opal/mca/dl/dl.h for
* documentation of this function)
*/
OPAL_DECLSPEC int opal_dl_open(const char *fname,
bool use_ext, bool private_namespace,
opal_dl_handle_t **handle, char **err_msg);
/**
* Lookup a symbol in a DSO
*
* (see opal_dl_base_module_lookup_ft_t in opal/mca/dl/dl.h for
* documentation of this function)
*/
OPAL_DECLSPEC int opal_dl_lookup(opal_dl_handle_t *handle,
const char *symbol,
void **ptr, char **err_msg);
/**
* Close a DSO
*
* (see opal_dl_base_module_close_ft_t in opal/mca/dl/dl.h for
* documentation of this function)
*/
OPAL_DECLSPEC int opal_dl_close(opal_dl_handle_t *handle);
/**
* Iterate over files in a path
*
* (see opal_dl_base_module_foreachfile_ft_t in opal/mca/dl/dl.h for
* documentation of this function)
*/
OPAL_DECLSPEC int opal_dl_foreachfile(const char *search_path,
int (*cb_func)(const char *filename,
void *context),
void *context);
END_C_DECLS
#endif /* OPAL_DL_BASE_H */
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