1 /* 2 * Copyright (C) 2018 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_PARCEL_FILE_DESCRIPTOR_H_ 18 #define ANDROID_PARCEL_FILE_DESCRIPTOR_H_ 19 20 #include <android-base/unique_fd.h> 21 #include <binder/Parcel.h> 22 #include <binder/Parcelable.h> 23 24 namespace android { 25 namespace os { 26 27 /* 28 * C++ implementation of the Java class android.os.ParcelFileDescriptor 29 */ 30 class ParcelFileDescriptor : public android::Parcelable { 31 public: 32 ParcelFileDescriptor(); 33 explicit ParcelFileDescriptor(android::base::unique_fd fd); ParcelFileDescriptor(ParcelFileDescriptor && other)34 ParcelFileDescriptor(ParcelFileDescriptor&& other) : mFd(std::move(other.mFd)) { } 35 ~ParcelFileDescriptor() override; 36 get()37 int get() const { return mFd.get(); } release()38 android::base::unique_fd release() { return std::move(mFd); } 39 void reset(android::base::unique_fd fd = android::base::unique_fd()) { mFd = std::move(fd); } 40 41 // android::Parcelable override: 42 android::status_t writeToParcel(android::Parcel* parcel) const override; 43 android::status_t readFromParcel(const android::Parcel* parcel) override; 44 45 private: 46 android::base::unique_fd mFd; 47 }; 48 49 } // namespace os 50 } // namespace android 51 52 #endif // ANDROID_OS_PARCEL_FILE_DESCRIPTOR_H_ 53