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/*
* Copyright (c) 2010-2015 Cisco Systems, Inc. All rights reserved.
* Copyright (c) 2014-2015 Intel, Inc. All rights reserved.
* Copyright (c) 2017 Research Organization for Information Science
* and Technology (RIST). All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "opal_config.h"
#include "opal/constants.h"
#include "opal/util/output.h"
#include "opal/mca/mca.h"
#include "opal/mca/base/base.h"
#include "opal/mca/event/event.h"
#include "opal/mca/event/base/base.h"
/*
* The following file was created by configure. It contains extern
* statements and the definition of an array of pointers to each
* component's public mca_base_component_t struct.
*/
#include "opal/mca/event/base/static-components.h"
/**
* Initialize the event MCA framework
*
* @retval OPAL_SUCCESS Upon success
* @retval OPAL_ERROR Upon failure
*
* This must be the first function invoked in the event MCA
* framework. It initializes the event MCA framework, finds
* and opens event components, etc.
*
* This function is invoked during opal_init().
*
* This function fills in the internal global variable
* opal_event_base_components_opened, which is a list of all
* event components that were successfully opened. This
* variable should \em only be used by other event base
* functions -- it is not considered a public interface member --
* and is only mentioned here for completeness.
*/
static int opal_event_base_open(mca_base_open_flag_t flags);
static int opal_event_base_close(void);
/* Use default register and close function */
MCA_BASE_FRAMEWORK_DECLARE(opal, event, NULL, NULL, opal_event_base_open,
opal_event_base_close, mca_event_base_static_components,
0);
/*
* Globals
*/
opal_event_base_t *opal_sync_event_base=NULL;
static int opal_event_base_open(mca_base_open_flag_t flags)
{
int rc = OPAL_SUCCESS;
/* Silence compiler warning */
(void) flags;
/* no need to open the components since we only use one */
/* init the lib */
if (OPAL_SUCCESS != (rc = opal_event_init())) {
return rc;
}
/* Declare our intent to use threads */
opal_event_use_threads();
/* get our event base */
if (NULL == (opal_sync_event_base = opal_event_base_create())) {
return OPAL_ERROR;
}
/* set the number of priorities */
if (0 < OPAL_EVENT_NUM_PRI) {
opal_event_base_priority_init(opal_sync_event_base, OPAL_EVENT_NUM_PRI);
}
return rc;
}
static int opal_event_base_close(void)
{
int rc;
/* cleanup components even though they are statically opened */
if (OPAL_SUCCESS != (rc =mca_base_framework_components_close (&opal_event_base_framework,
NULL))) {
return rc;
}
opal_event_base_free(opal_sync_event_base);
/* finalize the lib */
return opal_event_finalize();
}
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