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 CPP_WATCHDOG_SERVER_SRC_AIBINDERDEATHREGISTRATIONWRAPPER_H_
18 #define CPP_WATCHDOG_SERVER_SRC_AIBINDERDEATHREGISTRATIONWRAPPER_H_
19 
20 #include <android/binder_auto_utils.h>
21 #include <utils/RefBase.h>
22 
23 namespace android {
24 namespace automotive {
25 namespace watchdog {
26 
27 class AIBinderDeathRegistrationWrapperInterface : public virtual android::RefBase {
28 public:
29     /**
30      * Links the recipient to the binder's death. The cookie is passed to the recipient in case
31      * the binder dies.
32      */
33     virtual ndk::ScopedAStatus linkToDeath(AIBinder* binder, AIBinder_DeathRecipient* recipient,
34                                            void* cookie) const = 0;
35     /**
36      * Unlinks the recipient from the binder's death. Pass the same cookie that was used to link to
37      * the binder's death.
38      */
39     virtual ndk::ScopedAStatus unlinkToDeath(AIBinder* binder, AIBinder_DeathRecipient* recipient,
40                                              void* cookie) const = 0;
41 };
42 
43 class AIBinderDeathRegistrationWrapper final : public AIBinderDeathRegistrationWrapperInterface {
44 public:
45     ndk::ScopedAStatus linkToDeath(AIBinder* binder, AIBinder_DeathRecipient* recipient,
46                                    void* cookie) const override;
47     ndk::ScopedAStatus unlinkToDeath(AIBinder* binder, AIBinder_DeathRecipient* recipient,
48                                      void* cookie) const override;
49 };
50 
51 }  // namespace watchdog
52 }  // namespace automotive
53 }  // namespace android
54 
55 #endif  //  CPP_WATCHDOG_SERVER_SRC_AIBINDERDEATHREGISTRATIONWRAPPER_H_
56