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/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
/*
* Copyright (c) 2015 Cisco Systems, Inc. All rights reserved.
* Copyright (c) 2015 Los Alamos National Security, LLC. All rights
* reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "opal_config.h"
#include "opal/constants.h"
#include "opal/mca/dl/dl.h"
#include "opal/util/argv.h"
#include "dl_dlopen.h"
/*
* Public string showing the sysinfo ompi_linux component version number
*/
const char *opal_dl_dlopen_component_version_string =
"OPAL dl dlopen MCA component version " OPAL_VERSION;
/*
* Local functions
*/
static int dlopen_component_register(void);
static int dlopen_component_open(void);
static int dlopen_component_close(void);
static int dlopen_component_query(mca_base_module_t **module, int *priority);
/*
* Instantiate the public struct with all of our public information
* and pointers to our public functions in it
*/
opal_dl_dlopen_component_t mca_dl_dlopen_component = {
/* Fill in the mca_dl_base_component_t */
.base = {
/* First, the mca_component_t struct containing meta information
about the component itself */
.base_version = {
OPAL_DL_BASE_VERSION_1_0_0,
/* Component name and version */
.mca_component_name = "dlopen",
MCA_BASE_MAKE_VERSION(component, OPAL_MAJOR_VERSION, OPAL_MINOR_VERSION,
OPAL_RELEASE_VERSION),
/* Component functions */
.mca_register_component_params = dlopen_component_register,
.mca_open_component = dlopen_component_open,
.mca_close_component = dlopen_component_close,
.mca_query_component = dlopen_component_query,
},
.base_data = {
/* The component is checkpoint ready */
MCA_BASE_METADATA_PARAM_CHECKPOINT
},
/* The dl framework members */
.priority = 80
},
};
static int dlopen_component_register(void)
{
int ret;
mca_dl_dlopen_component.filename_suffixes_mca_storage = ".so,.dylib,.dll,.sl";
ret =
mca_base_component_var_register(&mca_dl_dlopen_component.base.base_version,
"filename_suffixes",
"Comma-delimited list of filename suffixes that the dlopen component will try",
MCA_BASE_VAR_TYPE_STRING,
NULL,
0,
MCA_BASE_VAR_FLAG_SETTABLE,
OPAL_INFO_LVL_5,
MCA_BASE_VAR_SCOPE_LOCAL,
&mca_dl_dlopen_component.filename_suffixes_mca_storage);
if (ret < 0) {
return ret;
}
mca_dl_dlopen_component.filename_suffixes =
opal_argv_split(mca_dl_dlopen_component.filename_suffixes_mca_storage,
',');
return OPAL_SUCCESS;
}
static int dlopen_component_open(void)
{
return OPAL_SUCCESS;
}
static int dlopen_component_close(void)
{
if (NULL != mca_dl_dlopen_component.filename_suffixes) {
opal_argv_free(mca_dl_dlopen_component.filename_suffixes);
mca_dl_dlopen_component.filename_suffixes = NULL;
}
return OPAL_SUCCESS;
}
static int dlopen_component_query(mca_base_module_t **module, int *priority)
{
/* The priority value is somewhat meaningless here; by
opal/mca/dl/configure.m4, there's at most one component
available. */
*priority = mca_dl_dlopen_component.base.priority;
*module = &opal_dl_dlopen_module.super;
return OPAL_SUCCESS;
}
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