/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* vim: set ts=8 sts=2 et sw=2 tw=80: */

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef nsCCUncollectableMarker_h_

#define nsCCUncollectableMarker_h_

#include "js/TracingAPI.h"

#include "mozilla/Attributes.h"

#include "nsIObserver.h"

class nsCCUncollectableMarker final : public nsIObserver

{

  NS_DECL_ISUPPORTS

  NS_DECL_NSIOBSERVER

  /**

   * Inits a global nsCCUncollectableMarker. Should only be called once.

   */

  static nsresult Init();

  /**

   * Checks if we're collecting during a given generation

   */

  static bool InGeneration(uint32_t aGeneration)

  {

    return aGeneration && aGeneration == sGeneration;

  }

  template <class CCCallback>

  static bool InGeneration(CCCallback& aCb, uint32_t aGeneration)

  {

    return InGeneration(aGeneration) && !aCb.WantAllTraces();

  }

Unexecuted instantiation: bool nsCCUncollectableMarker::InGeneration<nsCycleCollectionNoteRootCallback>(nsCycleCollectionNoteRootCallback&, unsigned int)

Unexecuted instantiation: bool nsCCUncollectableMarker::InGeneration<nsCycleCollectionTraversalCallback>(nsCycleCollectionTraversalCallback&, unsigned int)

  static uint32_t sGeneration;

private:

  nsCCUncollectableMarker() {}

  ~nsCCUncollectableMarker() {}

};

namespace mozilla {

namespace dom {

void TraceBlackJS(JSTracer* aTrc, bool aIsShutdownGC);

} // namespace dom

} // namespace mozilla

#endif