SharedRegionParcelable.h revision f53e613b3dedab3ecada2c93d8846233c442d129
1/* 2 * Copyright 2016 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 BINDING_SHAREDREGIONPARCELABLE_H 18#define BINDING_SHAREDREGIONPARCELABLE_H 19 20#include <stdint.h> 21 22#include <sys/mman.h> 23#include <binder/Parcelable.h> 24 25#include <aaudio/AAudioDefinitions.h> 26 27#include "binding/SharedMemoryParcelable.h" 28 29using android::status_t; 30using android::Parcel; 31using android::Parcelable; 32 33namespace aaudio { 34 35class SharedRegionParcelable : public Parcelable { 36public: 37 SharedRegionParcelable(); 38 virtual ~SharedRegionParcelable(); 39 40 void setup(int32_t sharedMemoryIndex, int32_t offsetInBytes, int32_t sizeInBytes); 41 42 virtual status_t writeToParcel(Parcel* parcel) const override; 43 44 virtual status_t readFromParcel(const Parcel* parcel) override; 45 46 aaudio_result_t resolve(SharedMemoryParcelable *memoryParcels, void **regionAddressPtr); 47 48 aaudio_result_t validate(); 49 50 void dump(); 51 52protected: 53 int32_t mSharedMemoryIndex = -1; 54 int32_t mOffsetInBytes = 0; 55 int32_t mSizeInBytes = 0; 56}; 57 58} /* namespace aaudio */ 59 60#endif //BINDING_SHAREDREGIONPARCELABLE_H 61