d92a8e01f8
from the list (just for good measure), and then free() it (without using _SAFE, we were accessing memory that was just free()'d to get to the next item). Also be a little more thorough -- DESTRUCT the list when we're all done. This commit was SVN r28429.
178 строки
6.1 KiB
C
178 строки
6.1 KiB
C
/*
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* Copyright (c) 2004-2005 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) 2004-2007 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 (c) 2006-2007 Sun Microsystems, Inc. All rights reserved.
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* Copyright (c) 2008-2013 Cisco Systems, Inc. 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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#include "ompi_config.h"
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#include <stdio.h>
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#include "opal/mca/mca.h"
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#include "opal/util/output.h"
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#include "opal/mca/base/base.h"
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#include "ompi/mca/btl/btl.h"
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#include "ompi/mca/btl/base/base.h"
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mca_btl_active_message_callback_t mca_btl_base_active_message_trigger[MCA_BTL_TAG_MAX];
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/*
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* mca_btl_base_descriptor_t
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*/
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static void mca_btl_base_descriptor_constructor(mca_btl_base_descriptor_t* des)
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{
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des->des_src = NULL;
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des->des_src_cnt = 0;
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des->des_dst = NULL;
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des->des_dst_cnt = 0;
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des->des_cbfunc = NULL;
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des->des_cbdata = NULL;
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des->des_flags = 0;
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}
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static void mca_btl_base_descriptor_destructor(mca_btl_base_descriptor_t* des)
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{
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}
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OBJ_CLASS_INSTANCE(
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mca_btl_base_descriptor_t,
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opal_list_item_t,
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mca_btl_base_descriptor_constructor,
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mca_btl_base_descriptor_destructor);
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/*
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* The following file was created by configure. It contains extern
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* statements and the definition of an array of pointers to each
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* component's public mca_base_component_t struct.
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*/
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#include "ompi/mca/btl/base/static-components.h"
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#include "btl_base_error.h"
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/*
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* Global variables
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*/
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char* mca_btl_base_include = NULL;
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char* mca_btl_base_exclude = NULL;
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int mca_btl_base_warn_component_unused = 1;
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opal_list_t mca_btl_base_modules_initialized;
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bool mca_btl_base_thread_multiple_override = false;
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static int mca_btl_base_register(mca_base_register_flag_t flags)
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{
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/* Override the per-BTL "don't run if THREAD_MULTIPLE selected"
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embargo? */
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mca_btl_base_thread_multiple_override = false;
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(void) mca_base_var_register("ompi", "btl", "base", "thread_multiple_override",
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"Enable BTLs that are not normally enabled when MPI_THREAD_MULTIPLE is enabled (THIS IS FOR DEVELOPERS ONLY! SHOULD NOT BE USED BY END USERS!)",
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MCA_BASE_VAR_TYPE_BOOL, NULL, 0,
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MCA_BASE_VAR_FLAG_INTERNAL,
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OPAL_INFO_LVL_9,
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MCA_BASE_VAR_SCOPE_READONLY,
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&mca_btl_base_thread_multiple_override);
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(void) mca_base_var_register("ompi", "btl", "base", "include", NULL,
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MCA_BASE_VAR_TYPE_STRING, NULL, 0, 0,
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OPAL_INFO_LVL_9,
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MCA_BASE_VAR_SCOPE_READONLY,
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&mca_btl_base_include);
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(void) mca_base_var_register("ompi", "btl", "base", "exclude", NULL,
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MCA_BASE_VAR_TYPE_STRING, NULL, 0, 0,
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OPAL_INFO_LVL_9,
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MCA_BASE_VAR_SCOPE_READONLY,
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&mca_btl_base_exclude);
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(void) mca_base_var_register("ompi", "btl", "base", "warn_component_unused",
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"This parameter is used to turn on warning messages when certain NICs are not used",
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MCA_BASE_VAR_TYPE_INT, NULL, 0, 0,
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OPAL_INFO_LVL_9,
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MCA_BASE_VAR_SCOPE_READONLY,
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&mca_btl_base_warn_component_unused);
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return OMPI_SUCCESS;
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}
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/**
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* Function for finding and opening either all MCA components, or the one
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* that was specifically requested via a MCA parameter.
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*/
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static int mca_btl_base_open(mca_base_open_flag_t flags)
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{
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int ret;
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/* Open up all available components */
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if (OMPI_SUCCESS !=
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(ret = mca_base_framework_components_open(&ompi_btl_base_framework, flags))) {
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return ret;
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}
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/* Initialize the list so that in mca_btl_base_close(), we can
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iterate over it (even if it's empty, as in the case of
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ompi_info) */
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OBJ_CONSTRUCT(&mca_btl_base_modules_initialized, opal_list_t);
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/* get the verbosity so that BTL_VERBOSE will work */
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mca_btl_base_verbose = opal_output_get_verbosity(ompi_btl_base_framework.framework_output);
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/* All done */
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return OMPI_SUCCESS;
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}
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static int mca_btl_base_close(void)
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{
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mca_btl_base_selected_module_t *sm, *next;
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#if 0
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/* disable event processing while cleaning up btls */
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opal_event_disable();
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#endif
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/* Finalize all the btl components and free their list items */
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OPAL_LIST_FOREACH_SAFE(sm, next, &mca_btl_base_modules_initialized, mca_btl_base_selected_module_t) {
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/* Blatently ignore the return code (what would we do to recover,
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anyway? This component is going away, so errors don't matter
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anymore) */
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sm->btl_module->btl_finalize(sm->btl_module);
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opal_list_remove_item(&mca_btl_base_modules_initialized, &sm->super);
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free(sm);
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}
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/* Close all remaining opened components (may be one if this is a
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OMPI RTE program, or [possibly] multiple if this is ompi_info) */
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(void) mca_base_framework_components_close(&ompi_btl_base_framework, NULL);
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OBJ_DESTRUCT(&mca_btl_base_modules_initialized);
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#if 0
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/* restore event processing */
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opal_event_enable();
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#endif
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/* All done */
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return OMPI_SUCCESS;
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}
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MCA_BASE_FRAMEWORK_DECLARE(ompi, btl, "Byte Transport Layer", mca_btl_base_register,
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mca_btl_base_open, mca_btl_base_close, mca_btl_base_static_components,
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0);
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