| /* |
| * Copyright (C) 2020 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef ANDROID_HARDWARE_INTERFACES_NEURALNETWORKS_UTILS_COMMON_RESILIENT_BURST_H |
| #define ANDROID_HARDWARE_INTERFACES_NEURALNETWORKS_UTILS_COMMON_RESILIENT_BURST_H |
| |
| #include <android-base/thread_annotations.h> |
| #include <nnapi/IBurst.h> |
| #include <nnapi/Result.h> |
| #include <nnapi/Types.h> |
| |
| #include <functional> |
| #include <memory> |
| #include <mutex> |
| #include <optional> |
| #include <utility> |
| |
| namespace android::hardware::neuralnetworks::utils { |
| |
| class ResilientBurst final : public nn::IBurst, |
| public std::enable_shared_from_this<ResilientBurst> { |
| struct PrivateConstructorTag {}; |
| |
| public: |
| using Factory = std::function<nn::GeneralResult<nn::SharedBurst>()>; |
| |
| static nn::GeneralResult<std::shared_ptr<const ResilientBurst>> create(Factory makeBurst); |
| |
| ResilientBurst(PrivateConstructorTag tag, Factory makeBurst, nn::SharedBurst burst); |
| |
| nn::SharedBurst getBurst() const; |
| nn::GeneralResult<nn::SharedBurst> recover(const nn::IBurst* failingBurst) const; |
| |
| OptionalCacheHold cacheMemory(const nn::Memory& memory) const override; |
| |
| nn::ExecutionResult<std::pair<std::vector<nn::OutputShape>, nn::Timing>> execute( |
| const nn::Request& request, nn::MeasureTiming measure) const override; |
| |
| private: |
| const Factory kMakeBurst; |
| mutable std::mutex mMutex; |
| mutable nn::SharedBurst mBurst GUARDED_BY(mMutex); |
| }; |
| |
| } // namespace android::hardware::neuralnetworks::utils |
| |
| #endif // ANDROID_HARDWARE_INTERFACES_NEURALNETWORKS_UTILS_COMMON_RESILIENT_BURST_H |