1 /*
2  * Copyright (c) 2022 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 OHOS_MEMORY_MEMMGR_PURGEABLE_MEM_CONSTANTS_H
17 #define OHOS_MEMORY_MEMMGR_PURGEABLE_MEM_CONSTANTS_H
18 
19 namespace OHOS {
20 namespace Memory {
21 constexpr unsigned int PURGEABLE_SUBSCRIBER_MAX_NUM = 100;
22 constexpr unsigned int PURGEABLE_APPSTATE_MAX_NUM = 100;
23 constexpr unsigned int APP_STATE_FOREGROUND = 2;
24 
25 constexpr unsigned int MEMORY_LEVEL_PURGEABLE = 1;
26 constexpr unsigned int MEMORY_LEVEL_MODERATE = 2;
27 constexpr unsigned int MEMORY_LEVEL_LOW = 3;
28 constexpr unsigned int MEMORY_LEVEL_CRITICAL = 4;
29 
30 constexpr unsigned int PURGEABLE_TYPE_HEAP = 1;
31 constexpr unsigned int PURGEABLE_TYPE_ASHMEM = 2;
32 constexpr unsigned int PURGEABLE_TYPE_SUBSCRIBER = 3;
33 constexpr unsigned int PURGEABLE_TYPE_ALL = 4;
34 
35 constexpr unsigned int TRIGGER_INTERVAL_SECOND = 10; // 秒
36 
37 enum class PurgeableMemoryType {
38     UNKNOWN = 0,
39     PURGEABLE_HEAP = 1,
40     PURGEABLE_ASHMEM = 2,
41     PURGEABLE_SUBSCRIBER = 3,
42     PURGEABLE_ALL = 4,
43 };
44 } // namespace Memory
45 } // namespace OHOS
46 #endif // OHOS_MEMORY_MEMMGR_PURGEABLE_MEM_CONSTANTS_H
47