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openmpi/orte/mca/oob/base/oob_base_open.c
Jeff Squyres 6f7adfe231 Fix for the oob base open and close functions being invoked twice by
ompi_info -- once directly and once via the rml oob component.

This commit was SVN r13152.
2007-01-17 15:18:13 +00:00

127 строки
4.2 KiB
C

/*
* Copyright (c) 2004-2005 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 (c) 2007 Cisco Systems, Inc. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "orte_config.h"
#include "orte/orte_constants.h"
#include "opal/mca/mca.h"
#include "opal/mca/base/base.h"
#include "opal/util/output.h"
#include "opal/mca/base/mca_base_param.h"
#include "orte/mca/oob/oob.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 "orte/mca/oob/base/static-components.h"
/*
* Global variables
*/
mca_oob_t mca_oob;
int mca_oob_base_output = -1;
char* mca_oob_base_include = NULL;
char* mca_oob_base_exclude = NULL;
opal_list_t mca_oob_base_components;
opal_list_t mca_oob_base_modules;
opal_list_t mca_oob_base_exception_handlers;
bool orte_oob_base_timing;
bool orte_oob_xcast_timing;
int orte_oob_xcast_mode;
/**
* Function for finding and opening either all MCA components, or the one
* that was specifically requested via a MCA parameter.
*/
int mca_oob_base_open(void)
{
int param, value;
char *mode;
static bool already_opened = false;
/* Sanity check. This may be able to be removed when the rml/oob
interface is re-worked (the current infrastructure may invoke
this function twice: once as a standalone, and once via the rml
oob component). */
if (already_opened) {
return ORTE_SUCCESS;
}
/* Open up all available components */
OBJ_CONSTRUCT(&mca_oob_base_components, opal_list_t);
OBJ_CONSTRUCT(&mca_oob_base_modules, opal_list_t);
OBJ_CONSTRUCT(&mca_oob_base_exception_handlers, opal_list_t);
if (ORTE_SUCCESS !=
mca_base_components_open("oob", mca_oob_base_output,
mca_oob_base_static_components,
&mca_oob_base_components, true)) {
return ORTE_ERROR;
}
/* register parameters */
mca_base_param_reg_string_name("oob_base", "include",
"Components to include for oob framework selection",
false, false, NULL, &mca_oob_base_include);
mca_base_param_reg_string_name("oob_base", "exclude",
"Components to exclude for oob framework selection",
false, false, NULL, &mca_oob_base_exclude);
param = mca_base_param_reg_int_name("orte", "timing",
"Request that critical timing loops be measured",
false, false, 0, &value);
if (value != 0) {
orte_oob_base_timing = true;
} else {
orte_oob_base_timing = false;
}
param = mca_base_param_reg_int_name("oob_xcast", "timing",
"Request that xcast timing loops be measured",
false, false, 0, &value);
if (value != 0) {
orte_oob_xcast_timing = true;
} else {
orte_oob_xcast_timing = false;
}
param = mca_base_param_reg_string_name("oob_xcast", "mode",
"Select xcast mode (\"linear\" [default] | \"binomial\")",
false, false, "linear", &mode);
if (0 == strcmp(mode, "linear")) {
orte_oob_xcast_mode = 1;
} else if (0 != strcmp(mode, "binomial")) {
opal_output(0, "oob_xcast_mode: unknown option %s", mode);
return ORTE_ERROR;
} else {
orte_oob_xcast_mode = 0;
}
/* All done */
already_opened = true;
return ORTE_SUCCESS;
}