public M TryConsume()
{
MsgHolder observed, newValue = null;
do
{
observed = msgHolder;
if (observed != null && observed.lives > 0)
{
newValue = new MsgHolder(observed.msg, observed.lives - 1);
}
else
{
return(null);
}
} while (Interlocked.CompareExchange(ref msgHolder, newValue, observed) != observed);
return(newValue.msg);
}
public void Publish(M m, int lvs)
{
msgHolder = new MsgHolder(m, lvs);
}