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/*
* Copyright (C) 2021 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.
*/
#define LOG_TAG "Callbacks"
#include "Callbacks.h"
#include <android-base/logging.h>
#include <android/binder_auto_utils.h>
#include <limits>
namespace aidl::android::hardware::neuralnetworks::implementation {
ndk::ScopedAStatus PreparedModelCallback::notify(
ErrorStatus errorStatus, const std::shared_ptr<IPreparedModel>& preparedModel) {
{
std::lock_guard<std::mutex> hold(mMutex);
// quick-return if object has already been notified
if (mNotified) {
return ndk::ScopedAStatus::ok();
}
// store results and mark as notified
mErrorStatus = errorStatus;
mPreparedModel = preparedModel;
mNotified = true;
}
mCondition.notify_all();
return ndk::ScopedAStatus::ok();
}
void PreparedModelCallback::wait() const {
std::unique_lock<std::mutex> lock(mMutex);
mCondition.wait(lock, [this] { return mNotified; });
}
ErrorStatus PreparedModelCallback::getStatus() const {
wait();
return mErrorStatus;
}
std::shared_ptr<IPreparedModel> PreparedModelCallback::getPreparedModel() const {
wait();
return mPreparedModel;
}
} // namespace aidl::android::hardware::neuralnetworks::implementation
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