private void Dispose()
{
_cancelHandle?.Dispose();
if (_gcHandle.IsAllocated)
{
_gcHandle.Free();
}
}
private void RunCallback(object o)
{
if (!_runCallbackCalled)
{
NetEventSource.Fail(null, "RunCallback called without setting runCallbackCalled!");
}
// If OnAppDomainUnload beats us to the lock, do nothing: the AppDomain is going down soon anyways.
// Otherwise, wait until the call to CancelMibChangeNotify2 is done before giving it up.
lock (s_pendingNotifications)
{
if (Environment.HasShutdownStarted)
{
return;
}
#if DEBUG
bool successfullyRemoved = s_pendingNotifications.Remove(this);
if (!successfullyRemoved)
{
NetEventSource.Fail(null, "RunCallback for a TeredoHelper which is not in s_pendingNotifications!");
}
#else
s_pendingNotifications.Remove(this);
#endif
if ((_cancelHandle == null || _cancelHandle.IsInvalid))
{
NetEventSource.Fail(null, "Invalid cancelHandle in RunCallback");
}
_cancelHandle.Dispose();
}
_callback.Invoke(_state);
}