rculfhash: make cds_lfht_iter_get_node argument const

[userspace-rcu.git] / src / wfcqueue.c

diff --git a/src/wfcqueue.c b/src/wfcqueue.c
index 85de8ecf9b29531b6cd1245dda4ca06cc8fde310..294b2662ba023115cc90c7fe921e93b6a6994be4 100644 (file)
--- a/src/wfcqueue.c
+++ b/src/wfcqueue.c
@@ -1,24 +1,10 @@
+// SPDX-FileCopyrightText: 2010-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+// SPDX-FileCopyrightText: 2011-2012 Lai Jiangshan <laijs@cn.fujitsu.com>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
+
 /*
- * wfcqueue.c
- *
  * Userspace RCU library - Concurrent Queue with Wait-Free Enqueue/Blocking Dequeue
- *
- * Copyright 2010-2012 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- * Copyright 2011-2012 - Lai Jiangshan <laijs@cn.fujitsu.com>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 /* Do not #define _LGPL_SOURCE to ensure we can emit the wrapper symbols */
@@ -52,8 +38,8 @@ void __cds_wfcq_init(struct __cds_wfcq_head *head,
        ___cds_wfcq_init(head, tail);
 }
 
-bool cds_wfcq_empty(cds_wfcq_head_ptr_t head,
-               struct cds_wfcq_tail *tail)
+bool cds_wfcq_empty(cds_wfcq_head_const_ptr_t head,
+               const struct cds_wfcq_tail *tail)
 
 {
        return _cds_wfcq_empty(head, tail);