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/* -*- 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 */
#ifndef nsCycleCollector_h__
#define nsCycleCollector_h__
class nsICycleCollectorListener;
class nsICycleCollectorLogSink;
class nsISupports;
template <class T>
struct already_AddRefed;
#include <cstdint>
#include "mozilla/Attributes.h"
namespace js {
class SliceBudget;
namespace mozilla {
class CycleCollectedJSContext;
} // namespace mozilla
bool nsCycleCollector_init();
void nsCycleCollector_startup();
typedef void (*CC_BeforeUnlinkCallback)(void);
void nsCycleCollector_setBeforeUnlinkCallback(CC_BeforeUnlinkCallback aCB);
typedef void (*CC_ForgetSkippableCallback)(void);
void nsCycleCollector_setForgetSkippableCallback(
CC_ForgetSkippableCallback aCB);
void nsCycleCollector_forgetSkippable(js::SliceBudget& aBudget,
bool aRemoveChildlessNodes = false,
bool aAsyncSnowWhiteFreeing = false);
void nsCycleCollector_prepareForGarbageCollection();
// If an incremental cycle collection is in progress, finish it.
void nsCycleCollector_finishAnyCurrentCollection();
void nsCycleCollector_dispatchDeferredDeletion(bool aContinuation = false,
bool aPurge = false);
bool nsCycleCollector_doDeferredDeletion();
bool nsCycleCollector_doDeferredDeletionWithBudget(js::SliceBudget& aBudget);
already_AddRefed<nsICycleCollectorLogSink> nsCycleCollector_createLogSink();
already_AddRefed<nsICycleCollectorListener> nsCycleCollector_createLogger();
// Run a cycle collection and return whether anything was collected.
bool nsCycleCollector_collect(nsICycleCollectorListener* aManualListener);
void nsCycleCollector_collectSlice(js::SliceBudget& budget,
bool aPreferShorterSlices = false);
uint32_t nsCycleCollector_suspectedCount();
// If aDoCollect is true, then run the GC and CC a few times before
// shutting down the CC completely.
void nsCycleCollector_shutdown(bool aDoCollect = true);
// Helpers for interacting with JS
void nsCycleCollector_registerJSContext(mozilla::CycleCollectedJSContext* aCx);
void nsCycleCollector_forgetJSContext();
#endif // nsCycleCollector_h__