Commit | Line | Data |
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8ad4ce58 MD |
1 | /* |
2 | * wfcqueue.c | |
3 | * | |
f878b49e | 4 | * Userspace RCU library - Concurrent Queue with Wait-Free Enqueue/Blocking Dequeue |
8ad4ce58 MD |
5 | * |
6 | * Copyright 2010-2012 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
7 | * Copyright 2011-2012 - Lai Jiangshan <laijs@cn.fujitsu.com> | |
8 | * | |
9 | * This library is free software; you can redistribute it and/or | |
10 | * modify it under the terms of the GNU Lesser General Public | |
11 | * License as published by the Free Software Foundation; either | |
12 | * version 2.1 of the License, or (at your option) any later version. | |
13 | * | |
14 | * This library is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
17 | * Lesser General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU Lesser General Public | |
20 | * License along with this library; if not, write to the Free Software | |
21 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
22 | */ | |
23 | ||
24 | /* Do not #define _LGPL_SOURCE to ensure we can emit the wrapper symbols */ | |
25 | #include "urcu/wfcqueue.h" | |
26 | #include "urcu/static/wfcqueue.h" | |
27 | ||
28 | /* | |
29 | * library wrappers to be used by non-LGPL compatible source code. | |
30 | */ | |
31 | ||
32 | void cds_wfcq_node_init(struct cds_wfcq_node *node) | |
33 | { | |
34 | _cds_wfcq_node_init(node); | |
35 | } | |
36 | ||
37 | void cds_wfcq_init(struct cds_wfcq_head *head, | |
38 | struct cds_wfcq_tail *tail) | |
39 | { | |
40 | _cds_wfcq_init(head, tail); | |
41 | } | |
42 | ||
f637f191 MD |
43 | void __cds_wfcq_init(struct __cds_wfcq_head *head, |
44 | struct cds_wfcq_tail *tail) | |
45 | { | |
46 | ___cds_wfcq_init(head, tail); | |
47 | } | |
48 | ||
49 | bool cds_wfcq_empty(cds_wfcq_head_ptr_t head, | |
8ad4ce58 MD |
50 | struct cds_wfcq_tail *tail) |
51 | ||
52 | { | |
53 | return _cds_wfcq_empty(head, tail); | |
54 | } | |
55 | ||
f637f191 | 56 | bool cds_wfcq_enqueue(cds_wfcq_head_ptr_t head, |
8ad4ce58 MD |
57 | struct cds_wfcq_tail *tail, |
58 | struct cds_wfcq_node *node) | |
59 | { | |
23773356 | 60 | return _cds_wfcq_enqueue(head, tail, node); |
8ad4ce58 MD |
61 | } |
62 | ||
63 | void cds_wfcq_dequeue_lock(struct cds_wfcq_head *head, | |
64 | struct cds_wfcq_tail *tail) | |
65 | { | |
852a17ad | 66 | _cds_wfcq_dequeue_lock(head, tail); |
8ad4ce58 MD |
67 | } |
68 | ||
69 | void cds_wfcq_dequeue_unlock(struct cds_wfcq_head *head, | |
70 | struct cds_wfcq_tail *tail) | |
71 | { | |
852a17ad | 72 | _cds_wfcq_dequeue_unlock(head, tail); |
8ad4ce58 MD |
73 | } |
74 | ||
75 | struct cds_wfcq_node *cds_wfcq_dequeue_blocking( | |
76 | struct cds_wfcq_head *head, | |
77 | struct cds_wfcq_tail *tail) | |
78 | { | |
79 | return _cds_wfcq_dequeue_blocking(head, tail); | |
80 | } | |
81 | ||
eec791af MD |
82 | struct cds_wfcq_node *cds_wfcq_dequeue_with_state_blocking( |
83 | struct cds_wfcq_head *head, | |
84 | struct cds_wfcq_tail *tail, | |
85 | int *state) | |
86 | { | |
87 | return _cds_wfcq_dequeue_with_state_blocking(head, tail, state); | |
88 | } | |
89 | ||
23773356 | 90 | enum cds_wfcq_ret cds_wfcq_splice_blocking( |
8ad4ce58 MD |
91 | struct cds_wfcq_head *dest_q_head, |
92 | struct cds_wfcq_tail *dest_q_tail, | |
93 | struct cds_wfcq_head *src_q_head, | |
94 | struct cds_wfcq_tail *src_q_tail) | |
95 | { | |
23773356 | 96 | return _cds_wfcq_splice_blocking(dest_q_head, dest_q_tail, |
8ad4ce58 MD |
97 | src_q_head, src_q_tail); |
98 | } | |
99 | ||
100 | struct cds_wfcq_node *__cds_wfcq_dequeue_blocking( | |
f637f191 | 101 | cds_wfcq_head_ptr_t head, |
8ad4ce58 MD |
102 | struct cds_wfcq_tail *tail) |
103 | { | |
104 | return ___cds_wfcq_dequeue_blocking(head, tail); | |
105 | } | |
106 | ||
eec791af | 107 | struct cds_wfcq_node *__cds_wfcq_dequeue_with_state_blocking( |
f637f191 | 108 | cds_wfcq_head_ptr_t head, |
eec791af MD |
109 | struct cds_wfcq_tail *tail, |
110 | int *state) | |
111 | { | |
112 | return ___cds_wfcq_dequeue_with_state_blocking(head, tail, state); | |
113 | } | |
114 | ||
47215721 | 115 | struct cds_wfcq_node *__cds_wfcq_dequeue_nonblocking( |
f637f191 | 116 | cds_wfcq_head_ptr_t head, |
47215721 MD |
117 | struct cds_wfcq_tail *tail) |
118 | { | |
119 | return ___cds_wfcq_dequeue_nonblocking(head, tail); | |
120 | } | |
121 | ||
eec791af | 122 | struct cds_wfcq_node *__cds_wfcq_dequeue_with_state_nonblocking( |
f637f191 | 123 | cds_wfcq_head_ptr_t head, |
eec791af MD |
124 | struct cds_wfcq_tail *tail, |
125 | int *state) | |
126 | { | |
127 | return ___cds_wfcq_dequeue_with_state_nonblocking(head, tail, state); | |
128 | } | |
129 | ||
23773356 | 130 | enum cds_wfcq_ret __cds_wfcq_splice_blocking( |
f637f191 | 131 | cds_wfcq_head_ptr_t dest_q_head, |
8ad4ce58 | 132 | struct cds_wfcq_tail *dest_q_tail, |
f637f191 | 133 | cds_wfcq_head_ptr_t src_q_head, |
8ad4ce58 MD |
134 | struct cds_wfcq_tail *src_q_tail) |
135 | { | |
23773356 | 136 | return ___cds_wfcq_splice_blocking(dest_q_head, dest_q_tail, |
8ad4ce58 MD |
137 | src_q_head, src_q_tail); |
138 | } | |
139 | ||
23773356 | 140 | enum cds_wfcq_ret __cds_wfcq_splice_nonblocking( |
f637f191 | 141 | cds_wfcq_head_ptr_t dest_q_head, |
47215721 | 142 | struct cds_wfcq_tail *dest_q_tail, |
f637f191 | 143 | cds_wfcq_head_ptr_t src_q_head, |
47215721 MD |
144 | struct cds_wfcq_tail *src_q_tail) |
145 | { | |
146 | return ___cds_wfcq_splice_nonblocking(dest_q_head, dest_q_tail, | |
147 | src_q_head, src_q_tail); | |
148 | } | |
149 | ||
8ad4ce58 | 150 | struct cds_wfcq_node *__cds_wfcq_first_blocking( |
f637f191 | 151 | cds_wfcq_head_ptr_t head, |
8ad4ce58 MD |
152 | struct cds_wfcq_tail *tail) |
153 | { | |
154 | return ___cds_wfcq_first_blocking(head, tail); | |
155 | } | |
156 | ||
47215721 | 157 | struct cds_wfcq_node *__cds_wfcq_first_nonblocking( |
f637f191 | 158 | cds_wfcq_head_ptr_t head, |
47215721 MD |
159 | struct cds_wfcq_tail *tail) |
160 | { | |
161 | return ___cds_wfcq_first_nonblocking(head, tail); | |
162 | } | |
163 | ||
8ad4ce58 | 164 | struct cds_wfcq_node *__cds_wfcq_next_blocking( |
f637f191 | 165 | cds_wfcq_head_ptr_t head, |
8ad4ce58 MD |
166 | struct cds_wfcq_tail *tail, |
167 | struct cds_wfcq_node *node) | |
168 | { | |
169 | return ___cds_wfcq_next_blocking(head, tail, node); | |
170 | } | |
47215721 MD |
171 | |
172 | struct cds_wfcq_node *__cds_wfcq_next_nonblocking( | |
f637f191 | 173 | cds_wfcq_head_ptr_t head, |
47215721 MD |
174 | struct cds_wfcq_tail *tail, |
175 | struct cds_wfcq_node *node) | |
176 | { | |
177 | return ___cds_wfcq_next_nonblocking(head, tail, node); | |
178 | } |