Protect access to mca_mpool_base_tree by a lock.
This commit was SVN r16011.
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родитель
cfe737d1f9
Коммит
091862a25a
@ -10,6 +10,7 @@
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* Copyright (c) 2004-2005 The Regents of the University of California.
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* All rights reserved.5A
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* Copyright (c) 2007 Cisco Systems, Inc. All rights reserved.
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* Copyright (c) 2007 Voltaire. All rights reserved.
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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@ -45,6 +46,7 @@ OBJ_CLASS_INSTANCE(mca_mpool_base_tree_item_t, ompi_free_list_item_t, NULL, NULL
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*/
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ompi_rb_tree_t mca_mpool_base_tree;
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ompi_free_list_t mca_mpool_base_tree_item_free_list;
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static opal_mutex_t tree_lock;
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/*
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* simple minded compare function...
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@ -72,6 +74,7 @@ int mca_mpool_base_tree_init(void) {
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int rc;
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OBJ_CONSTRUCT(&mca_mpool_base_tree, ompi_rb_tree_t);
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OBJ_CONSTRUCT(&mca_mpool_base_tree_item_free_list, ompi_free_list_t);
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OBJ_CONSTRUCT(&tree_lock, opal_mutex_t);
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rc = ompi_free_list_init(&mca_mpool_base_tree_item_free_list, sizeof(mca_mpool_base_tree_item_t),
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OBJ_CLASS(mca_mpool_base_tree_item_t), 0, -1 , 4, NULL);
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if(OMPI_SUCCESS == rc) {
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@ -84,15 +87,25 @@ int mca_mpool_base_tree_init(void) {
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* insert an item in the rb tree
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*/
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int mca_mpool_base_tree_insert(mca_mpool_base_tree_item_t* item) {
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return ompi_rb_tree_insert(&mca_mpool_base_tree, item->key, item);
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int rc;
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OPAL_THREAD_LOCK(&tree_lock);
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rc = ompi_rb_tree_insert(&mca_mpool_base_tree, item->key, item);
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OPAL_THREAD_UNLOCK(&tree_lock);
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return rc;
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}
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/*
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* remove an item from the rb tree
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*/
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int mca_mpool_base_tree_delete(mca_mpool_base_tree_item_t* item) {
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int rc;
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rc = ompi_rb_tree_delete(&mca_mpool_base_tree, item->key);
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int rc;
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OPAL_THREAD_LOCK(&tree_lock);
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rc = ompi_rb_tree_delete(&mca_mpool_base_tree, item->key);
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OPAL_THREAD_UNLOCK(&tree_lock);
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if(OMPI_SUCCESS == rc) {
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mca_mpool_base_tree_item_put(item);
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}
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@ -102,8 +115,15 @@ int mca_mpool_base_tree_delete(mca_mpool_base_tree_item_t* item) {
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/**
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* find the item in the rb tree
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*/
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mca_mpool_base_tree_item_t* mca_mpool_base_tree_find(void* base) {
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return (mca_mpool_base_tree_item_t*)ompi_rb_tree_find(&mca_mpool_base_tree, base);
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mca_mpool_base_tree_item_t* mca_mpool_base_tree_find(void* base) {
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mca_mpool_base_tree_item_t* item;
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OPAL_THREAD_LOCK(&tree_lock);
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item = (mca_mpool_base_tree_item_t*)ompi_rb_tree_find(&mca_mpool_base_tree,
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base);
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OPAL_THREAD_UNLOCK(&tree_lock);
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return item;
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}
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/*
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