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openmpi/orte/mca/grpcomm/mcast/grpcomm_mcast_component.c
Ralph Castain 18c7aaff08 Update the grpcomm framework to be more thread-friendly.
Modify the orte configure options to specify --enable-multicast such that it directs components to build or not instead of littering the code base with #if's. Remove those #if's where they used to occur.

Add a new grpcomm "mcast" module to support multicast operations. Still some work required to properly perform daemon collectives for comm_spawn operations. New module only builds when --enable-multicast is provided, and when specifically selected.

This commit was SVN r22709.
2010-02-25 01:11:29 +00:00

77 строки
1.8 KiB
C

/* -*- C -*-
*
* Copyright (c) 2010 Cisco Systems, Inc. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
*
*/
/*
* includes
*/
#include "orte_config.h"
#include "orte/constants.h"
#include "opal/mca/mca.h"
#include "opal/mca/base/base.h"
#include "opal/mca/base/mca_base_param.h"
#include "orte/mca/grpcomm/base/base.h"
#include "grpcomm_mcast.h"
/*
* Struct of function pointers that need to be initialized
*/
orte_grpcomm_base_component_t mca_grpcomm_mcast_component = {
{
ORTE_GRPCOMM_BASE_VERSION_2_0_0,
"mcast", /* MCA module name */
ORTE_MAJOR_VERSION, /* MCA module major version */
ORTE_MINOR_VERSION, /* MCA module minor version */
ORTE_RELEASE_VERSION, /* MCA module release version */
orte_grpcomm_mcast_open, /* module open */
orte_grpcomm_mcast_close, /* module close */
orte_grpcomm_mcast_component_query /* module query */
},
{
/* The component is checkpoint ready */
MCA_BASE_METADATA_PARAM_CHECKPOINT
}
};
/* Open the component */
int orte_grpcomm_mcast_open(void)
{
return ORTE_SUCCESS;
}
int orte_grpcomm_mcast_close(void)
{
return ORTE_SUCCESS;
}
int orte_grpcomm_mcast_component_query(mca_base_module_t **module, int *priority)
{
/* This component is selected only when requested */
bool is_required = false;
mca_base_is_component_required(&orte_grpcomm_base.components_available,
&mca_grpcomm_mcast_component.base_version,
true,
&is_required);
if( !is_required ) {
*priority = 0;
*module = NULL;
return ORTE_ERROR;
}
*priority = 1000;
*module = (mca_base_module_t *)&orte_grpcomm_mcast_module;
return ORTE_SUCCESS;
}