1 /*
2  * Copyright (c) 2024 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef FLOWBUFFER_ADAPTER_H
17 #define FLOWBUFFER_ADAPTER_H
18 
19 #include <cstdint>
20 #include <cstdio>
21 
22 namespace OHOS::NWeb {
23 
24 class FlowbufferAdapter {
25 public:
26     /**
27      * @brief Construct a new FlowbufferAdapter object
28      */
29     FlowbufferAdapter() = default;
30 
31     /**
32      * @brief Destroy the FlowbufferAdapter object
33      */
34     virtual ~FlowbufferAdapter() = default;
35 
36     /**
37      * @brief Start temporary performance boost when some key tasks are running
38      */
39     virtual void StartPerformanceBoost();
40 
41     /**
42      * @brief Create ashmem
43      *
44      * @param size size of the ashmem to be created
45      * @param mapType mapType of the ashmem to be created
46      * @param fd fd of the ashmem to be created
47      * @return the address of the created ashmem
48      */
49     virtual void* CreateAshmem(size_t size, int mapType, int& fd);
50 
51     /**
52      * @brief Create ashmem with fd
53      *
54      * @param fd fd of the ashmem to be created
55      * @param size size of the ashmem to be created
56      * @param mapType mapType of the ashmem to be created
57      * @return the address of the created ashmem
58      */
59     virtual void* CreateAshmemWithFd(const int fd, size_t size, int mapType);
60 };
61 
62 } // namespace OHOS::NWeb
63 
64 #endif // FLOWBUFFER_ADAPTER_H
65