internal bool ContainsSubscriptions(SubscriptionBase sub)
{
_subscriptionLock.EnterReadLock();
try
{
return(Subscriptions.Contains(sub));
}
finally
{
_subscriptionLock.ExitReadLock();
}
}
internal void AddSubscription(SubscriptionBase sub)
{
_subscriptionLock.EnterUpgradeableReadLock();
try
{
if (!Subscriptions.Contains(sub))
{
_subscriptionLock.EnterWriteLock();
Subscriptions.Add(sub);
_subscriptionLock.ExitWriteLock();
}
}
finally
{
_subscriptionLock.ExitUpgradeableReadLock();
}
}
