private RootedObjects()
{
_handle = GCHandle.Alloc(this);
Pointer = (IntPtr)_handle;
// Increment active request count as soon as possible to prevent
// shutdown of the appdomain while requests are in flight. It
// is decremented in Destroy().
HttpRuntime.IncrementActivePipelineCount();
// this is an instance field instead of a static field since ETW can be enabled at any time
_activityIdTracingIsEnabled = ActivityIdHelper.Instance != null && AspNetEventSource.Instance.IsEnabled();
if (_activityIdTracingIsEnabled)
{
_requestActivityId = ActivityIdHelper.UnsafeCreateNewActivityId();
}
}
