public void Subscribe(ISubscriber <T> s)
{
PublisherRefCountConnection current;
for (;;)
{
current = Volatile.Read(ref connection);
if (current == null || current.IsDisposed() || current.Wip() == 0)
{
var next = new PublisherRefCountConnection();
if (Interlocked.CompareExchange(ref connection, next, current) != current)
{
continue;
}
}
int i = current.Increment();
if (i == 1 || current.IsDisposed())
{
continue;
}
var inner = new PublisherRefCountInner(s, current);
source.Subscribe(inner);
if (current.TryConnect())
{
source.Connect(d =>
{
current.Set(d);
current.Decrement();
});
}
break;
}
}
public PublisherRefCountInner(ISubscriber <T> actual, PublisherRefCountConnection connection)
{
this.actual = actual;
this.connection = connection;
}
