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 OHOS_MEMORY_MEMMGR_INNERKITS_MEM_MGR_PROCESS_STATE_INFO_H
17 #define OHOS_MEMORY_MEMMGR_INNERKITS_MEM_MGR_PROCESS_STATE_INFO_H
18 
19 #include <parcel.h>
20 namespace OHOS {
21 namespace Memory {
22 enum class ProcPriorityUpdateReason : uint32_t {
23     START_ABILITY = 0,
24     UNKNOWN,
25 };
26 
27 /**
28  * @class MemMgrProcessStateInfo
29  *
30  * @brief State info of process.
31  */
32 class MemMgrProcessStateInfo : public Parcelable {
33 public:
34     /**
35      * @brief Default construct of MemMgrProcessStateInfo.
36      */
37     MemMgrProcessStateInfo() = default;
38     /**
39      * @brief Construct of MemMgrProcessStateInfo.
40      *
41      * @param callerPid Process id of caller process.
42      * @param callerUid User id of caller process.
43      * @param pid Process id.
44      * @param uid User id.
45      * @param reason Reason of update process priority.
46      */
MemMgrProcessStateInfo(int32_t callerPid,int32_t callerUid,int32_t pid,int32_t uid,ProcPriorityUpdateReason reason)47     MemMgrProcessStateInfo(int32_t callerPid, int32_t callerUid, int32_t pid, int32_t uid,
48         ProcPriorityUpdateReason reason)
49         : callerPid_(callerPid), callerUid_(callerUid), pid_(pid), uid_(uid), reason_(reason) {};
50     /**
51      * @brief Deconstruct of MemMgrProcessStateInfo.
52      */
53     ~MemMgrProcessStateInfo() = default;
54 
55     /**
56      * @brief Marshalling MemMgrProcessStateInfo.
57      *
58      * @param parcel Package of MemMgrProcessStateInfo.
59      * @return True means marshall success, false means marshall failed.
60      */
61     virtual bool Marshalling(Parcel &parcel) const override;
62     /**
63      * @brief Unmarshalling MemMgrProcessStateInfo.
64      *
65      * @param parcel Package of MemMgrProcessStateInfo.
66      * @return MemMgrProcessStateInfo object.
67      */
68     static MemMgrProcessStateInfo* Unmarshalling(Parcel &parcel);
69 
70     int32_t callerPid_ {0};
71     int32_t callerUid_ {0};
72     int32_t pid_ {0};
73     int32_t uid_ {0};
74     ProcPriorityUpdateReason reason_ = ProcPriorityUpdateReason::UNKNOWN;
75 };
76 } // namespace Memory
77 } // namespace OHOS
78 #endif // OHOS_MEMORY_MEMMGR_INNERKITS_MEM_MGR_PROCESS_STATE_INFO_H