зеркало из https://github.com/mozilla/gecko-dev.git
51 строка
1.2 KiB
C++
51 строка
1.2 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* 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);
|
|
}
|
|
}
|
|
|
|
#endif
|