private void First(Task <bool> task, InnerHandler sender)
{
if (sender.CheckDisposed())
{
Dispose(sender.Source);
}
else
{
if (Volatile.Read(ref _winner) == null && Interlocked.CompareExchange(ref _winner, sender, null) == null)
{
if (task.IsCanceled)
{
_winTask.TrySetCanceled();
}
else if (task.IsFaulted)
{
_winTask.TrySetException(ExceptionHelper.Extract(task.Exception));
}
else
{
_winTask.SetResult(task.Result);
}
}
}
}