wfcqueue: introduce nonblocking API
[urcu.git] / wfstack.c
1 /*
2 * wfstack.c
3 *
4 * Userspace RCU library - Stack with wait-free push, blocking traversal.
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 /* Do not #define _LGPL_SOURCE to ensure we can emit the wrapper symbols */
24 #include "urcu/wfstack.h"
25 #include "urcu/static/wfstack.h"
26
27 /*
28 * library wrappers to be used by non-LGPL compatible source code.
29 */
30
31 void cds_wfs_node_init(struct cds_wfs_node *node)
32 {
33 _cds_wfs_node_init(node);
34 }
35
36 void cds_wfs_init(struct cds_wfs_stack *s)
37 {
38 _cds_wfs_init(s);
39 }
40
41 bool cds_wfs_empty(struct cds_wfs_stack *s)
42 {
43 return _cds_wfs_empty(s);
44 }
45
46 int cds_wfs_push(struct cds_wfs_stack *s, struct cds_wfs_node *node)
47 {
48 return _cds_wfs_push(s, node);
49 }
50
51 struct cds_wfs_node *cds_wfs_pop_blocking(struct cds_wfs_stack *s)
52 {
53 return _cds_wfs_pop_blocking(s);
54 }
55
56 struct cds_wfs_head *cds_wfs_pop_all_blocking(struct cds_wfs_stack *s)
57 {
58 return _cds_wfs_pop_all_blocking(s);
59 }
60
61 struct cds_wfs_node *cds_wfs_first_blocking(struct cds_wfs_head *head)
62 {
63 return _cds_wfs_first_blocking(head);
64 }
65
66 struct cds_wfs_node *cds_wfs_next_blocking(struct cds_wfs_node *node)
67 {
68 return _cds_wfs_next_blocking(node);
69 }
70
71 void cds_wfs_pop_lock(struct cds_wfs_stack *s)
72 {
73 _cds_wfs_pop_lock(s);
74 }
75
76 void cds_wfs_pop_unlock(struct cds_wfs_stack *s)
77 {
78 _cds_wfs_pop_unlock(s);
79 }
80
81 struct cds_wfs_node *__cds_wfs_pop_blocking(struct cds_wfs_stack *s)
82 {
83 return ___cds_wfs_pop_blocking(s);
84 }
85
86 struct cds_wfs_head *__cds_wfs_pop_all(struct cds_wfs_stack *s)
87 {
88 return ___cds_wfs_pop_all(s);
89 }
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