xref: /aosp_15_r20/system/chre/util/include/chre/util/intrusive_list_impl.h (revision 84e339476a462649f82315436d70fd732297a399)
1 /*
2  * Copyright (C) 2022 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef CHRE_UTIL_INTRUSIVE_LIST_IMPL_H_
18 #define CHRE_UTIL_INTRUSIVE_LIST_IMPL_H_
19 
20 // IWYU pragma: private
21 #include "chre/util/intrusive_list.h"
22 
23 #include "chre/util/container_support.h"
24 
25 namespace chre {
26 
27 template <typename ElementType>
~IntrusiveList()28 IntrusiveList<ElementType>::~IntrusiveList() {
29   IntrusiveListBase::doUnlinkAll();
30 }
31 
32 template <typename ElementType>
link_front(ListNode<ElementType> * newNode)33 void IntrusiveList<ElementType>::link_front(ListNode<ElementType> *newNode) {
34   return IntrusiveListBase::doLinkFront(&newNode->node);
35 }
36 
37 template <typename ElementType>
link_back(ListNode<ElementType> * newNode)38 void IntrusiveList<ElementType>::link_back(ListNode<ElementType> *newNode) {
39   return IntrusiveListBase::doLinkBack(&newNode->node);
40 }
41 
42 template <typename ElementType>
front()43 ListNode<ElementType> &IntrusiveList<ElementType>::front() {
44   CHRE_ASSERT(mSize > 0);
45   return *reinterpret_cast<ListNode<ElementType> *>(mSentinelNode.next);
46 }
47 
48 template <typename ElementType>
front()49 const ListNode<ElementType> &IntrusiveList<ElementType>::front() const {
50   CHRE_ASSERT(mSize > 0);
51   return *reinterpret_cast<const ListNode<ElementType> *>(mSentinelNode.next);
52 }
53 
54 template <typename ElementType>
unlink_front()55 void IntrusiveList<ElementType>::unlink_front() {
56   CHRE_ASSERT(mSize > 0);
57   IntrusiveListBase::doUnlinkNode(mSentinelNode.next);
58 }
59 
60 template <typename ElementType>
back()61 ListNode<ElementType> &IntrusiveList<ElementType>::back() {
62   CHRE_ASSERT(mSize > 0);
63   return *reinterpret_cast<ListNode<ElementType> *>(mSentinelNode.prev);
64 }
65 
66 template <typename ElementType>
back()67 const ListNode<ElementType> &IntrusiveList<ElementType>::back() const {
68   CHRE_ASSERT(mSize > 0);
69   return *reinterpret_cast<const ListNode<ElementType> *>(mSentinelNode.prev);
70 }
71 
72 template <typename ElementType>
unlink_back()73 void IntrusiveList<ElementType>::unlink_back() {
74   CHRE_ASSERT(mSize > 0);
75   IntrusiveListBase::doUnlinkNode(mSentinelNode.prev);
76 }
77 
78 template <typename ElementType>
unlink_node(ListNode<ElementType> * node)79 void IntrusiveList<ElementType>::unlink_node(ListNode<ElementType> *node) {
80   CHRE_ASSERT(mSize > 0);
81   IntrusiveListBase::doUnlinkNode(&node->node);
82 }
83 
84 template <typename ElementType>
link_after(ListNode<ElementType> * frontNode,ListNode<ElementType> * newNode)85 void IntrusiveList<ElementType>::link_after(ListNode<ElementType> *frontNode,
86                                             ListNode<ElementType> *newNode) {
87   IntrusiveListBase::doLinkAfter(&frontNode->node, &newNode->node);
88 }
89 
90 }  // namespace chre
91 
92 #endif  // CHRE_UTIL_INTRUSIVE_LIST_IMPL_H_
93