public static async UniTask <T> Timeout <T>(this UniTask <T> task, TimeSpan timeout, bool ignoreTimeScale = true,
PlayerLoopTiming timeoutCheckTiming = PlayerLoopTiming.Update,
CancellationTokenSource taskCancellationTokenSource = null)
{
// left, right both suppress operation canceled exception.
var delayCancellationTokenSource = new CancellationTokenSource();
var timeoutTask = (UniTask)UniTask.Delay(timeout, ignoreTimeScale, timeoutCheckTiming).SuppressCancellationThrow();
var(hasValue, value) = await UniTask.WhenAny(task.SuppressCancellationThrow(), timeoutTask);
if (!hasValue)
{
if (taskCancellationTokenSource != null)
{
taskCancellationTokenSource.Cancel();
taskCancellationTokenSource.Dispose();
}
throw new TimeoutException("Exceed Timeout:" + timeout);
}
delayCancellationTokenSource.Cancel();
delayCancellationTokenSource.Dispose();
if (value.IsCanceled)
{
Error.ThrowOperationCanceledException();
}
return(value.Result);
}
static async UniTaskVoid CancelAfterCore(CancellationTokenSource cts, UniTask delayTask) {
var alreadyCanceled = await delayTask.SuppressCancellationThrow();
if (!alreadyCanceled) {
cts.Cancel();
cts.Dispose();
}
}