/* -*- 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(); } static uint32_t sGeneration; private: nsCCUncollectableMarker() {} ~nsCCUncollectableMarker() {} }; namespace mozilla { namespace dom { void TraceBlackJS(JSTracer* aTrc, uint32_t aGCNumber, bool aIsShutdownGC); } // namespace dom } // namespace mozilla #endif