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 #define _LGPL_SOURCE
  24 /* Use the urcu symbols to select the appropriate rcu flavor at link time */
  25 #include "urcu.h"
  26
  27 #undef _LGPL_SOURCE
  28 /* Do not #define _LGPL_SOURCE to ensure we can emit the wrapper symbols */
  29 #include "urcu/rculfqueue.h"
  30 #include "urcu/static/rculfqueue.h"
  31
  32 /*
  33  * library wrappers to be used by non-LGPL compatible source code.
  34  */
  35
  36 void cds_lfq_node_init_rcu(struct cds_lfq_node_rcu *node)
  37 {
  38         _cds_lfq_node_init_rcu(node);
  39 }
  40
  41 void cds_lfq_init_rcu(struct cds_lfq_queue_rcu *q,
  42                       void (*release)(struct urcu_ref *ref))
  43 {
  44         _cds_lfq_init_rcu(q, release);
  45 }
  46
  47 void cds_lfq_enqueue_rcu(struct cds_lfq_queue_rcu *q, struct cds_lfq_node_rcu *node)
  48 {
  49         _cds_lfq_enqueue_rcu(q, node);
  50 }
  51
  52 struct cds_lfq_node_rcu *
  53 cds_lfq_dequeue_rcu(struct cds_lfq_queue_rcu *q)
  54 {
  55         return _cds_lfq_dequeue_rcu(q);
  56 }