40 lines
912 B
C++
40 lines
912 B
C++
/*
|
|
* IXCancellationRequest.cpp
|
|
* Author: Benjamin Sergeant
|
|
* Copyright (c) 2019 Machine Zone, Inc. All rights reserved.
|
|
*/
|
|
|
|
#include "IXCancellationRequest.h"
|
|
|
|
#include <cassert>
|
|
#include <chrono>
|
|
|
|
namespace ix
|
|
{
|
|
CancellationRequest makeCancellationRequestWithTimeout(
|
|
int secs,
|
|
std::atomic<bool> &requestInitCancellation)
|
|
{
|
|
assert(secs > 0);
|
|
|
|
auto start = std::chrono::system_clock::now();
|
|
auto timeout = std::chrono::seconds(secs);
|
|
|
|
auto isCancellationRequested =
|
|
[&requestInitCancellation, start, timeout]() -> bool {
|
|
// Was an explicit cancellation requested ?
|
|
if (requestInitCancellation)
|
|
return true;
|
|
|
|
auto now = std::chrono::system_clock::now();
|
|
if ((now - start) > timeout)
|
|
return true;
|
|
|
|
// No cancellation request
|
|
return false;
|
|
};
|
|
|
|
return isCancellationRequested;
|
|
}
|
|
} // namespace ix
|