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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.
*/
#include "CancellationSignal.h"
#include <android-base/logging.h>
#include <chrono>
namespace aidl::android::hardware::biometrics::fingerprint {
CancellationSignal::CancellationSignal(std::promise<void>&& cancellationPromise)
: mCancellationPromise(std::move(cancellationPromise)) {}
ndk::ScopedAStatus CancellationSignal::cancel() {
mCancellationPromise.set_value();
return ndk::ScopedAStatus::ok();
}
bool shouldCancel(const std::future<void>& f) {
CHECK(f.valid());
return f.wait_for(std::chrono::seconds(0)) == std::future_status::ready;
}
} // namespace aidl::android::hardware::biometrics::fingerprint
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