rculfqueue.c

   1 /*
   2  * rculfqueue.c
   3  *
   4  * Userspace RCU library - Lock-Free RCU Queue
   5  *
   6  * Copyright 2010 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  21  */
  22
  23 /* Use the urcu symbols to select the appropriate rcu flavor at link time */
  24 #include "urcu.h"
  25 /* Do not #define _LGPL_SOURCE to ensure we can emit the wrapper symbols */
  26 #include "urcu/rculfqueue.h"
  27 #include "urcu/rculfqueue-static.h"
  28
  29 /*
  30  * library wrappers to be used by non-LGPL compatible source code.
  31  */
  32
  33 void rcu_lfq_node_init(struct rcu_lfq_node *node)
  34 {
  35         _rcu_lfq_node_init(node);
  36 }
  37
  38 void rcu_lfq_init(struct rcu_lfq_queue *q)
  39 {
  40         _rcu_lfq_init(q);
  41 }
  42
  43 void rcu_lfq_enqueue(struct rcu_lfq_queue *q, struct rcu_lfq_node *node)
  44 {
  45         _rcu_lfq_enqueue(q, node);
  46 }
  47
  48 struct rcu_lfq_node *
  49 rcu_lfq_dequeue(struct rcu_lfq_queue *q, void (*release)(struct urcu_ref *))
  50 {
  51         return _rcu_lfq_dequeue(q, release);
  52 }