1 /*
2  * Copyright (C) 2020 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 ANDROID_APEXD_APEXD_LIFECYCLE_H_
18 #define ANDROID_APEXD_APEXD_LIFECYCLE_H_
19 
20 #include <android-base/result.h>
21 
22 namespace android {
23 namespace apex {
24 
25 class ApexdLifecycle {
26  private:
ApexdLifecycle()27   ApexdLifecycle(){};
28   std::atomic<bool> boot_completed_;
29 
30   // Non-copyable && non-moveable.
31   ApexdLifecycle(const ApexdLifecycle&) = delete;
32   ApexdLifecycle& operator=(const ApexdLifecycle&) = delete;
33   ApexdLifecycle& operator=(ApexdLifecycle&&) = delete;
34 
35  public:
GetInstance()36   static ApexdLifecycle& GetInstance() {
37     static ApexdLifecycle instance;
38     return instance;
39   }
40   bool IsBooting();
41   void MarkBootCompleted();
42   void WaitForBootStatus(android::base::Result<void> (&rollback_fn)(
43       const std::string&, const std::string&));
44 };
45 }  // namespace apex
46 }  // namespace android
47 
48 #endif  // ANDROID_APEXD_APEXD_LIFECYCLE_H
49