// ReSharper disable once UnusedParameter.Local
private void Dispose(bool disposing)
{
// 1. lock(this) is bad
// 2. sync object just for subscribe/dispose will add 8 bytes to obj size, rarely used
// 3. reusing _container._locker could interfere with data writes,
// but in steady state there should be no subscriptions/disposals.
_container.AcquireLock();
try
{
DoDispose();
}
finally
{
_container.ReleaseLock();
}
void DoDispose()
{
if (ReferenceEquals(_container._subscriptions, this))
{
_container._subscriptions = null;
return;
}
// single -> [] is one-way, we have read existing via
if (_container._subscriptions is ContainerSubscription[] subsArray)
{
for (int i = 0; i < subsArray.Length; i++)
{
if (ReferenceEquals(subsArray[i], this))
{
Volatile.Write(ref subsArray[i], null);
break;
}
}
}
}
}