gecko-dev/xpcom/base/nsCycleCollectionParticipant.cpp

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#include "xpcom/nsCycleCollectionParticipant.h"

NS_INTERFACE_MAP_BEGIN(nsCycleCollectionParticipant)
  NS_INTERFACE_MAP_ENTRY(nsCycleCollectionParticipant)
NS_INTERFACE_MAP_END

NS_IMETHODIMP_(nsrefcnt) nsCycleCollectionParticipant::AddRef(void)
{
  // Do nothing, it's a singleton.
  return 1;
}

NS_IMETHODIMP_(nsrefcnt) nsCycleCollectionParticipant::Release(void)
{
  // Do nothing, it's a singleton.
  return 1;
}

NS_IMETHODIMP nsCycleCollectionParticipant::Unlink(nsISupports *n)
{
  return NS_OK;
}

NS_IMETHODIMP 
nsCycleCollectionParticipant::Traverse(nsISupports *n, 
                                       nsCycleCollectionTraversalCallback &cb)
{
  return NS_OK;
}