Changeset 9c1c677 in mainline for generic/src/synch/futex.c

Timestamp:

2006-06-05T14:27:08Z (19 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

31e8ddd

Parents:

b91bb65

Message:

futex_cleanup() implementation.

File:

• generic/src/synch/futex.c (modified) (1 diff)

generic/src/synch/futex.c

@@ -308 +308 @@
 void futex_cleanup(void)
 {
-}
+        link_t *cur;
+        
+        rwlock_write_lock(&futex_ht_lock);
+        mutex_lock(&TASK->futexes_lock);
+
+        for (cur = TASK->futexes.leaf_head.next; cur != &TASK->futexes.leaf_head; cur = cur->next) {
+                btree_node_t *node;
+                int i;
+                
+                node = list_get_instance(cur, btree_node_t, leaf_link);
+                for (i = 0; i < node->keys; i++) {
+                        futex_t *ftx;
+                        __address paddr = node->key[i];
+                        
+                        ftx = (futex_t *) node->value[i];
+                        if (--ftx->refcount == 0)
+                                hash_table_remove(&futex_ht, &paddr, 1);
+                }
+        }
+        
+        mutex_unlock(&TASK->futexes_lock);
+        rwlock_write_unlock(&futex_ht_lock);
+}