1 // Copyright (C) 2019 The Android Open Source Project 2 // 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 #pragma once 16 17 #include <string> 18 19 #include <android-base/macros.h> 20 21 namespace android { 22 namespace snapshot { 23 24 // An abstract "device" that will be cleaned up (unmapped, unmounted, etc.) upon 25 // destruction. 26 struct AutoDevice { ~AutoDeviceAutoDevice27 virtual ~AutoDevice(){}; 28 void Release(); 29 HasDeviceAutoDevice30 bool HasDevice() const { return !name_.empty(); } 31 32 protected: AutoDeviceAutoDevice33 AutoDevice(const std::string& name) : name_(name) {} 34 std::string name_; 35 36 private: 37 DISALLOW_COPY_AND_ASSIGN(AutoDevice); 38 AutoDevice(AutoDevice&& other) = delete; 39 }; 40 41 } // namespace snapshot 42 } // namespace android 43