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38 lines
1.2 KiB
38 lines
1.2 KiB
/*
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* Copyright (C) 2021 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "CancellationSignal.h"
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#include <android-base/logging.h>
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#include <chrono>
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namespace aidl::android::hardware::biometrics::fingerprint {
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CancellationSignal::CancellationSignal(std::promise<void>&& cancellationPromise)
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: mCancellationPromise(std::move(cancellationPromise)) {}
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ndk::ScopedAStatus CancellationSignal::cancel() {
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mCancellationPromise.set_value();
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return ndk::ScopedAStatus::ok();
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}
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bool shouldCancel(const std::future<void>& f) {
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CHECK(f.valid());
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return f.wait_for(std::chrono::seconds(0)) == std::future_status::ready;
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}
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} // namespace aidl::android::hardware::biometrics::fingerprint
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