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  * epfs.h, keep same with fs/epfs/epfs.h
16  *
17  */
18 
19 #ifndef OHOS_MEDIALIBRARY_CPU_UTILS_H
20 #define OHOS_MEDIALIBRARY_CPU_UTILS_H
21 
22 #include <cstdint>
23 
24 namespace OHOS {
25 namespace Media {
26 enum CpuAffinityType : int32_t {
27     CPU_IDX_DEFAULT = -1,
28     CPU_IDX_0 = 0,
29     CPU_IDX_1,
30     CPU_IDX_2,
31     CPU_IDX_3,
32     CPU_IDX_4,
33     CPU_IDX_5,
34     CPU_IDX_6,
35     CPU_IDX_7,
36     CPU_IDX_8,
37     CPU_IDX_9,
38     CPU_IDX_10,
39     CPU_IDX_11,
40 };
41 
42 class CpuUtils {
43 public:
44     CpuUtils() = delete;
45     ~CpuUtils() = delete;
46 
47     static void SlowDown();
48     static void ResetCpu();
49 
50     static void SetSelfThreadAffinity(CpuAffinityType cpuAffinityType);
51     static void ResetSelfThreadAffinity();
52 };
53 } // namespace Media
54 } // namespace OHOS
55 #endif // OHOS_MEDIALIBRARY_CPU_UTILS_H
56