File: rte_orte_component.c

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/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
/*
 * Copyright (c) 2012      Los Alamos National Security, LLC.  All rights reserved.
 * Copyright (c) 2014-2016 Intel, Inc. All rights reserved.
 * Copyright (c) 2015      Los Alamos National Security, LLC. All rights
 *                         reserved.
 *
 * $COPYRIGHT$
 *
 * Additional copyrights may follow
 *
 * $HEADER$
 *
 * These symbols are in a file by themselves to provide nice linker
 * semantics.  Since linkers generally pull in symbols by object
 * files, keeping these symbols as the only symbols in this file
 * prevents utility programs such as "ompi_info" from having to import
 * entire components just to query their version and parameters.
 */

#include "ompi_config.h"
#include "ompi/constants.h"

#include "opal/threads/threads.h"
#include "opal/class/opal_list.h"

#include "orte/mca/rml/rml.h"
#include "orte/mca/grpcomm/base/base.h"

#include "ompi/mca/rte/rte.h"
#include "rte_orte.h"

/*
 * Public string showing the component version number
 */
const char *ompi_rte_orte_component_version_string =
    "OMPI orte rte MCA component version " OMPI_VERSION;

/*
 * Local function
 */
static int rte_orte_open(void);
static int rte_orte_close(void);

/*
 * Instantiate the public struct with all of our public information
 * and pointers to our public functions in it
 */

ompi_rte_orte_component_t mca_rte_orte_component = {
    {
        /* First, the mca_component_t struct containing meta information
           about the component itself */

        .base_version = {
            OMPI_RTE_BASE_VERSION_1_0_0,

            /* Component name and version */
            .mca_component_name = "orte",
            MCA_BASE_MAKE_VERSION(component, OMPI_MAJOR_VERSION, OMPI_MINOR_VERSION,
                                  OMPI_RELEASE_VERSION),

            /* Component open and close functions */
            .mca_open_component = rte_orte_open,
            .mca_close_component = rte_orte_close,
        },
        .base_data = {
            /* The component is checkpoint ready */
            MCA_BASE_METADATA_PARAM_CHECKPOINT
        },
    }
};

static int rte_orte_open(void)
{
    OBJ_CONSTRUCT(&mca_rte_orte_component.lock, opal_mutex_t);
    OBJ_CONSTRUCT(&mca_rte_orte_component.modx_reqs, opal_list_t);

    return OMPI_SUCCESS;
}

static int rte_orte_close(void)
{
    opal_mutex_lock(&mca_rte_orte_component.lock);
    OPAL_LIST_DESTRUCT(&mca_rte_orte_component.modx_reqs);
    opal_mutex_unlock(&mca_rte_orte_component.lock);
    OBJ_DESTRUCT(&mca_rte_orte_component.lock);

    return OMPI_SUCCESS;
}

static void con(ompi_orte_tracker_t *p)
{
    p->active = true;
    OBJ_CONSTRUCT(&p->lock, opal_mutex_t);
    OBJ_CONSTRUCT(&p->cond, opal_condition_t);
}
static void des(ompi_orte_tracker_t *p)
{
    OBJ_DESTRUCT(&p->lock);
    OBJ_DESTRUCT(&p->cond);
}
OBJ_CLASS_INSTANCE(ompi_orte_tracker_t,
                   opal_list_item_t,
                   con, des);