wfcqueue: Implement mutex-free wfcqueue head with transparent union
[urcu.git] / wfstack.c
CommitLineData
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1/*
2 * wfstack.c
3 *
edac6b69 4 * Userspace RCU library - Stack with wait-free push, blocking traversal.
294d3396 5 *
f4b7d3c9 6 * Copyright 2010-2012 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
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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"
af7c2dbe 25#include "urcu/static/wfstack.h"
294d3396 26
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27/*
28 * library wrappers to be used by non-LGPL compatible source code.
29 */
30
16aa9ee8 31void cds_wfs_node_init(struct cds_wfs_node *node)
294d3396 32{
16aa9ee8 33 _cds_wfs_node_init(node);
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34}
35
16aa9ee8 36void cds_wfs_init(struct cds_wfs_stack *s)
294d3396 37{
16aa9ee8 38 _cds_wfs_init(s);
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39}
40
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41bool cds_wfs_empty(struct cds_wfs_stack *s)
42{
43 return _cds_wfs_empty(s);
44}
45
191098fc 46int cds_wfs_push(struct cds_wfs_stack *s, struct cds_wfs_node *node)
294d3396 47{
191098fc 48 return _cds_wfs_push(s, node);
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49}
50
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51struct cds_wfs_node *cds_wfs_pop_blocking(struct cds_wfs_stack *s)
52{
53 return _cds_wfs_pop_blocking(s);
54}
55
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56struct cds_wfs_node *
57 cds_wfs_pop_with_state_blocking(struct cds_wfs_stack *s, int *state)
58{
59 return _cds_wfs_pop_with_state_blocking(s, state);
60}
61
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62struct cds_wfs_head *cds_wfs_pop_all_blocking(struct cds_wfs_stack *s)
63{
64 return _cds_wfs_pop_all_blocking(s);
65}
66
c7ba06ba 67struct cds_wfs_node *cds_wfs_first(struct cds_wfs_head *head)
edac6b69 68{
c7ba06ba 69 return _cds_wfs_first(head);
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70}
71
72struct cds_wfs_node *cds_wfs_next_blocking(struct cds_wfs_node *node)
73{
74 return _cds_wfs_next_blocking(node);
75}
76
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77struct cds_wfs_node *cds_wfs_next_nonblocking(struct cds_wfs_node *node)
78{
79 return _cds_wfs_next_nonblocking(node);
80}
81
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82void cds_wfs_pop_lock(struct cds_wfs_stack *s)
83{
84 _cds_wfs_pop_lock(s);
85}
86
87void cds_wfs_pop_unlock(struct cds_wfs_stack *s)
88{
89 _cds_wfs_pop_unlock(s);
90}
91
16aa9ee8 92struct cds_wfs_node *__cds_wfs_pop_blocking(struct cds_wfs_stack *s)
294d3396 93{
16aa9ee8 94 return ___cds_wfs_pop_blocking(s);
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95}
96
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97struct cds_wfs_node *
98 __cds_wfs_pop_with_state_blocking(struct cds_wfs_stack *s, int *state)
99{
100 return ___cds_wfs_pop_with_state_blocking(s, state);
101}
102
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103struct cds_wfs_node *__cds_wfs_pop_nonblocking(struct cds_wfs_stack *s)
104{
105 return ___cds_wfs_pop_nonblocking(s);
106}
107
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108struct cds_wfs_node *
109 __cds_wfs_pop_with_state_nonblocking(struct cds_wfs_stack *s,
110 int *state)
111{
112 return ___cds_wfs_pop_with_state_nonblocking(s, state);
113}
114
edac6b69 115struct cds_wfs_head *__cds_wfs_pop_all(struct cds_wfs_stack *s)
294d3396 116{
edac6b69 117 return ___cds_wfs_pop_all(s);
294d3396 118}
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