1 #ifndef _URCU_RCUJA_INTERNAL_H
2 #define _URCU_RCUJA_INTERNAL_H
5 * rcuja/rcuja-internal.h
7 * Userspace RCU library - RCU Judy Array Internal Header
9 * Copyright 2012 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
11 * This library is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU Lesser General Public
13 * License as published by the Free Software Foundation; either
14 * version 2.1 of the License, or (at your option) any later version.
16 * This library is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * Lesser General Public License for more details.
21 * You should have received a copy of the GNU Lesser General Public
22 * License along with this library; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
27 #include <urcu/rculfhash.h>
29 /* Never declared. Opaque type used to store flagged node pointers. */
30 struct rcu_ja_node_flag
;
33 * Shadow node contains mutex and call_rcu head associated with a node.
35 struct rcu_ja_shadow_node
{
36 pthread_mutex_t lock
; /* mutual exclusion on node */
37 struct rcu_head head
; /* for deferred node and shadow node reclaim */
41 struct rcu_ja_node_flag
*root
;
43 * We use a hash table to associate nodes to their respective
44 * shadow node. This helps reducing lookup hot path cache
45 * footprint, especially for very small nodes.
50 #endif /* _URCU_RCUJA_INTERNAL_H */
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