82 строки
2.1 KiB
C
82 строки
2.1 KiB
C
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/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
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/*
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* Copyright (c) 2016 Los Alamos National Security, LLC. All rights
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* 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 "opal_config.h"
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#include "opal/mca/patcher/patcher.h"
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#include "opal/mca/patcher/base/base.h"
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#include "opal/mca/patcher/base/static-components.h"
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/*
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* Local variables
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*/
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static mca_patcher_base_module_t empty_module;
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/*
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* Globals
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*/
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mca_patcher_base_module_t *opal_patcher = &empty_module;
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int opal_patcher_base_select (void)
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{
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mca_patcher_base_module_t *best_module;
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mca_patcher_base_component_t *best_component;
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int rc, priority;
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rc = mca_base_select ("patcher", opal_patcher_base_framework.framework_output,
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&opal_patcher_base_framework.framework_components,
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(mca_base_module_t **) &best_module, (mca_base_component_t **) &best_component,
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&priority);
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if (OPAL_SUCCESS != rc) {
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return rc;
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}
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OBJ_CONSTRUCT(&best_module->patch_list, opal_list_t);
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OBJ_CONSTRUCT(&best_module->patch_list_mutex, opal_mutex_t);
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if (best_module->patch_init) {
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rc = best_module->patch_init ();
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if (OPAL_SUCCESS != rc) {
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return rc;
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}
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}
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opal_patcher = best_module;
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return OPAL_SUCCESS;
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}
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static int opal_patcher_base_close (void)
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{
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if (opal_patcher == &empty_module) {
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return OPAL_SUCCESS;
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}
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mca_patcher_base_patch_t *patch;
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OPAL_LIST_FOREACH_REV(patch, &opal_patcher->patch_list, mca_patcher_base_patch_t) {
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patch->patch_restore (patch);
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}
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OPAL_LIST_DESTRUCT(&opal_patcher->patch_list);
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OBJ_DESTRUCT(&opal_patcher->patch_list_mutex);
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if (opal_patcher->patch_fini) {
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return opal_patcher->patch_fini ();
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}
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return OPAL_SUCCESS;
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}
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/* Use default register/open functions */
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MCA_BASE_FRAMEWORK_DECLARE(opal, patcher, "runtime code patching", NULL, NULL,
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opal_patcher_base_close, mca_patcher_base_static_components,
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0);
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