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openmpi/orte/mca/grpcomm/base/grpcomm_base_select.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

64 строки
1.9 KiB
C

/*
* Copyright (c) 2004-2008 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2005 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2005 The Regents of the University of California.
* All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "orte_config.h"
#include "opal/mca/mca.h"
#include "opal/mca/base/base.h"
#include "orte/mca/grpcomm/base/base.h"
/**
* Function for selecting one component from all those that are
* available.
*/
int orte_grpcomm_base_select(void)
{
int ret, exit_status = ORTE_SUCCESS;
orte_grpcomm_base_component_t *best_component = NULL;
orte_grpcomm_base_module_t *best_module = NULL;
/*
* Select the best component
*/
if( OPAL_SUCCESS != mca_base_select("grpcomm", orte_grpcomm_base.output,
&orte_grpcomm_base.components_available,
(mca_base_module_t **) &best_module,
(mca_base_component_t **) &best_component) ) {
/* This will only happen if no component was selected */
exit_status = ORTE_ERR_NOT_FOUND;
goto cleanup;
}
/* Save the winner */
/* No global component structure */
orte_grpcomm = *best_module;
if (ORTE_SUCCESS != (ret = orte_grpcomm.init()) ) {
exit_status = ret;
goto cleanup;
}
orte_grpcomm_base.selected = true;
cleanup:
return exit_status;
}