33 lines
894 B
C++
33 lines
894 B
C++
/*
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* IXCancellationRequest.cpp
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* Author: Benjamin Sergeant
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* Copyright (c) 2019 Machine Zone, Inc. All rights reserved.
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*/
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#include "IXCancellationRequest.h"
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#include <chrono>
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namespace ix
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{
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CancellationRequest makeCancellationRequestWithTimeout(
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int secs, std::atomic<bool>& requestInitCancellation)
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{
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auto start = std::chrono::system_clock::now();
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auto timeout = std::chrono::seconds(secs);
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auto isCancellationRequested = [&requestInitCancellation, start, timeout]() -> bool {
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// Was an explicit cancellation requested ?
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if (requestInitCancellation) return true;
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auto now = std::chrono::system_clock::now();
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if ((now - start) > timeout) return true;
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// No cancellation request
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return false;
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};
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return isCancellationRequested;
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}
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} // namespace ix
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