| 1 | /* |
| 2 | * wfcqueue.c |
| 3 | * |
| 4 | * Userspace RCU library - Concurrent queue with Wait-Free Enqueue/Blocking Dequeue |
| 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 | |
| 43 | bool cds_wfcq_empty(struct cds_wfcq_head *head, |
| 44 | struct cds_wfcq_tail *tail) |
| 45 | |
| 46 | { |
| 47 | return _cds_wfcq_empty(head, tail); |
| 48 | } |
| 49 | |
| 50 | void cds_wfcq_enqueue(struct cds_wfcq_head *head, |
| 51 | struct cds_wfcq_tail *tail, |
| 52 | struct cds_wfcq_node *node) |
| 53 | { |
| 54 | _cds_wfcq_enqueue(head, tail, node); |
| 55 | } |
| 56 | |
| 57 | void cds_wfcq_dequeue_lock(struct cds_wfcq_head *head, |
| 58 | struct cds_wfcq_tail *tail) |
| 59 | { |
| 60 | cds_wfcq_dequeue_lock(head, tail); |
| 61 | } |
| 62 | |
| 63 | void cds_wfcq_dequeue_unlock(struct cds_wfcq_head *head, |
| 64 | struct cds_wfcq_tail *tail) |
| 65 | { |
| 66 | cds_wfcq_dequeue_unlock(head, tail); |
| 67 | } |
| 68 | |
| 69 | struct cds_wfcq_node *cds_wfcq_dequeue_blocking( |
| 70 | struct cds_wfcq_head *head, |
| 71 | struct cds_wfcq_tail *tail) |
| 72 | { |
| 73 | return _cds_wfcq_dequeue_blocking(head, tail); |
| 74 | } |
| 75 | |
| 76 | void cds_wfcq_splice_blocking( |
| 77 | struct cds_wfcq_head *dest_q_head, |
| 78 | struct cds_wfcq_tail *dest_q_tail, |
| 79 | struct cds_wfcq_head *src_q_head, |
| 80 | struct cds_wfcq_tail *src_q_tail) |
| 81 | { |
| 82 | _cds_wfcq_splice_blocking(dest_q_head, dest_q_tail, |
| 83 | src_q_head, src_q_tail); |
| 84 | } |
| 85 | |
| 86 | struct cds_wfcq_node *__cds_wfcq_dequeue_blocking( |
| 87 | struct cds_wfcq_head *head, |
| 88 | struct cds_wfcq_tail *tail) |
| 89 | { |
| 90 | return ___cds_wfcq_dequeue_blocking(head, tail); |
| 91 | } |
| 92 | |
| 93 | void __cds_wfcq_splice_blocking( |
| 94 | struct cds_wfcq_head *dest_q_head, |
| 95 | struct cds_wfcq_tail *dest_q_tail, |
| 96 | struct cds_wfcq_head *src_q_head, |
| 97 | struct cds_wfcq_tail *src_q_tail) |
| 98 | { |
| 99 | ___cds_wfcq_splice_blocking(dest_q_head, dest_q_tail, |
| 100 | src_q_head, src_q_tail); |
| 101 | } |
| 102 | |
| 103 | struct cds_wfcq_node *__cds_wfcq_first_blocking( |
| 104 | struct cds_wfcq_head *head, |
| 105 | struct cds_wfcq_tail *tail) |
| 106 | { |
| 107 | return ___cds_wfcq_first_blocking(head, tail); |
| 108 | } |
| 109 | |
| 110 | struct cds_wfcq_node *__cds_wfcq_next_blocking( |
| 111 | struct cds_wfcq_head *head, |
| 112 | struct cds_wfcq_tail *tail, |
| 113 | struct cds_wfcq_node *node) |
| 114 | { |
| 115 | return ___cds_wfcq_next_blocking(head, tail, node); |
| 116 | } |