cf377db823
Features: - Support for an override parameter file (openmpi-mca-param-override.conf). Variable values in this file can not be overridden by any file or environment value. - Support for boolean, unsigned, and unsigned long long variables. - Support for true/false values. - Support for enumerations on integer variables. - Support for MPIT scope, verbosity, and binding. - Support for command line source. - Support for setting variable source via the environment using OMPI_MCA_SOURCE_<var name>=source (either command or file:filename) - Cleaner API. - Support for variable groups (equivalent to MPIT categories). Notes: - Variables must be created with a backing store (char **, int *, or bool *) that must live at least as long as the variable. - Creating a variable with the MCA_BASE_VAR_FLAG_SETTABLE enables the use of mca_base_var_set_value() to change the value. - String values are duplicated when the variable is registered. It is up to the caller to free the original value if necessary. The new value will be freed by the mca_base_var system and must not be freed by the user. - Variables with constant scope may not be settable. - Variable groups (and all associated variables) are deregistered when the component is closed or the component repository item is freed. This prevents a segmentation fault from accessing a variable after its component is unloaded. - After some discussion we decided we should remove the automatic registration of component priority variables. Few component actually made use of this feature. - The enumerator interface was updated to be general enough to handle future uses of the interface. - The code to generate ompi_info output has been moved into the MCA variable system. See mca_base_var_dump(). opal: update core and components to mca_base_var system orte: update core and components to mca_base_var system ompi: update core and components to mca_base_var system This commit also modifies the rmaps framework. The following variables were moved from ppr and lama: rmaps_base_pernode, rmaps_base_n_pernode, rmaps_base_n_persocket. Both lama and ppr create synonyms for these variables. This commit was SVN r28236.
96 строки
2.9 KiB
C
96 строки
2.9 KiB
C
/*
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* Copyright (c) 2004-2008 The Trustees of Indiana University and Indiana
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* University Research and Technology
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* Corporation. All rights reserved.
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* Copyright (c) 2004-2006 The University of Tennessee and The University
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* of Tennessee Research Foundation. All rights
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* reserved.
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* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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* University of Stuttgart. All rights reserved.
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* Copyright (c) 2004-2005 The Regents of the University of California.
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* All rights reserved.
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*
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* These symbols are in a file by themselves to provide nice linker
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* semantics. Since linkers generally pull in symbols by object
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* files, keeping these symbols as the only symbols in this file
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* prevents utility programs such as "ompi_info" from having to import
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* entire components just to query their version and parameters.
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*/
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#include "orte_config.h"
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#include "orte/constants.h"
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#include <stdlib.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include <ctype.h>
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#include "opal/mca/mca.h"
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#include "opal/mca/base/base.h"
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#include "orte/mca/odls/odls.h"
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#include "orte/mca/odls/base/odls_private.h"
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#include "orte/mca/odls/default/odls_default.h"
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/*
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* Instantiate the public struct with all of our public information
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* and pointers to our public functions in it
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*/
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orte_odls_base_component_t mca_odls_default_component = {
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/* First, the mca_component_t struct containing meta information
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about the component itself */
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{
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ORTE_ODLS_BASE_VERSION_2_0_0,
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/* Component name and version */
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"default",
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ORTE_MAJOR_VERSION,
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ORTE_MINOR_VERSION,
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ORTE_RELEASE_VERSION,
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/* Component open and close functions */
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orte_odls_default_component_open,
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orte_odls_default_component_close,
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orte_odls_default_component_query,
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},
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{
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/* The component is checkpoint ready */
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MCA_BASE_METADATA_PARAM_CHECKPOINT
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}
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};
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int orte_odls_default_component_open(void)
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{
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return ORTE_SUCCESS;
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}
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int orte_odls_default_component_query(mca_base_module_t **module, int *priority)
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{
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/* the base open/select logic protects us against operation when
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* we are NOT in a daemon, so we don't have to check that here
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*/
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/* we have built some logic into the configure.m4 file that checks
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* to see if we have "fork" support and only builds this component
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* if we do. Hence, we only get here if we CAN build - in which
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* case, we definitely should be considered for selection
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*/
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*priority = 1; /* let others override us - we are the default */
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*module = (mca_base_module_t *) &orte_odls_default_module;
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return ORTE_SUCCESS;
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}
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int orte_odls_default_component_close(void)
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{
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return ORTE_SUCCESS;
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}
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