/// <summary>
/// Enqueue an action in the pending queue.
/// </summary>
/// <param name="action">The action to enqueue.</param>
/// <remarks>Spin-locks to update the queue.</remarks>
void Enqueue(Action action)
{
bool queued = false;
IPersistentStack prior = null;
while (!queued)
{
prior = _q.Get();
queued = _q.CompareAndSet(prior, (IPersistentStack)prior.cons(action));
}
if (prior.count() == 0)
{
action.execute();
}
}
/// <summary>
/// Gets the (immutable) value the reference is holding.
/// </summary>
/// <returns>The value</returns>
public override object deref()
{
return(_state.Get());
}
public Exception getError()
{
return(_aq.Get()._error);
}