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Protect access to mca_mpool_base_tree by a lock.

This commit was SVN r16011.
Этот коммит содержится в:
Gleb Natapov 2007-08-30 10:51:02 +00:00
родитель cfe737d1f9
Коммит 091862a25a

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