зеркало из https://github.com/mozilla/pjs.git
106 строки
4.1 KiB
C++
106 строки
4.1 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* ***** BEGIN LICENSE BLOCK *****
|
|
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
|
*
|
|
* The contents of this file are subject to the Mozilla Public License Version
|
|
* 1.1 (the "License"); you may not use this file except in compliance with
|
|
* the License. You may obtain a copy of the License at
|
|
* http://www.mozilla.org/MPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
|
* for the specific language governing rights and limitations under the
|
|
* License.
|
|
*
|
|
* The Original Code is mozilla.org code.
|
|
*
|
|
* The Initial Developer of the Original Code is
|
|
* The Mozilla Foundation.
|
|
* Portions created by the Initial Developer are Copyright (C) 2006
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either of the GNU General Public License Version 2 or later (the "GPL"),
|
|
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
|
* in which case the provisions of the GPL or the LGPL are applicable instead
|
|
* of those above. If you wish to allow use of your version of this file only
|
|
* under the terms of either the GPL or the LGPL, and not to allow others to
|
|
* use your version of this file under the terms of the MPL, indicate your
|
|
* decision by deleting the provisions above and replace them with the notice
|
|
* and other provisions required by the GPL or the LGPL. If you do not delete
|
|
* the provisions above, a recipient may use your version of this file under
|
|
* the terms of any one of the MPL, the GPL or the LGPL.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
|
|
#ifndef nsCycleCollector_h__
|
|
#define nsCycleCollector_h__
|
|
|
|
// NOTE: If you use header files to define DEBUG_CC, you must do so here
|
|
// *and* in nsCycleCollectionParticipant.h
|
|
//#define DEBUG_CC
|
|
|
|
class nsISupports;
|
|
class nsICycleCollectorListener;
|
|
class nsCycleCollectionParticipant;
|
|
class nsCycleCollectionTraversalCallback;
|
|
|
|
// An nsCycleCollectionLanguageRuntime is a per-language object that
|
|
// implements language-specific aspects of the cycle collection task.
|
|
|
|
struct nsCycleCollectionLanguageRuntime
|
|
{
|
|
virtual nsresult BeginCycleCollection(nsCycleCollectionTraversalCallback &cb,
|
|
bool explainLiveExpectedGarbage) = 0;
|
|
virtual nsresult FinishTraverse() = 0;
|
|
virtual nsresult FinishCycleCollection() = 0;
|
|
virtual nsCycleCollectionParticipant *ToParticipant(void *p) = 0;
|
|
#ifdef DEBUG_CC
|
|
virtual void PrintAllReferencesTo(void *p) = 0;
|
|
#endif
|
|
};
|
|
|
|
nsresult nsCycleCollector_startup();
|
|
// Returns the number of collected nodes.
|
|
NS_COM PRUint32 nsCycleCollector_collect(nsICycleCollectorListener *aListener);
|
|
NS_COM PRUint32 nsCycleCollector_suspectedCount();
|
|
void nsCycleCollector_shutdownThreads();
|
|
void nsCycleCollector_shutdown();
|
|
|
|
// The JS runtime is special, it needs to call cycle collection during its GC.
|
|
// If the JS runtime is registered nsCycleCollector_collect will call
|
|
// nsCycleCollectionJSRuntime::Collect which will call
|
|
// nsCycleCollector_doCollect, else nsCycleCollector_collect will call
|
|
// nsCycleCollector_doCollect directly.
|
|
struct nsCycleCollectionJSRuntime : public nsCycleCollectionLanguageRuntime
|
|
{
|
|
/**
|
|
* Runs the JavaScript GC.
|
|
*/
|
|
virtual void Collect() = 0;
|
|
};
|
|
|
|
#ifdef DEBUG
|
|
NS_COM void nsCycleCollector_DEBUG_shouldBeFreed(nsISupports *n);
|
|
NS_COM void nsCycleCollector_DEBUG_wasFreed(nsISupports *n);
|
|
#endif
|
|
|
|
// Helpers for interacting with language-identified scripts
|
|
|
|
NS_COM void nsCycleCollector_registerRuntime(PRUint32 langID, nsCycleCollectionLanguageRuntime *rt);
|
|
NS_COM nsCycleCollectionLanguageRuntime * nsCycleCollector_getRuntime(PRUint32 langID);
|
|
NS_COM void nsCycleCollector_forgetRuntime(PRUint32 langID);
|
|
|
|
#define NS_CYCLE_COLLECTOR_LOGGER_CID \
|
|
{ 0x58be81b4, 0x39d2, 0x437c, \
|
|
{ 0x94, 0xea, 0xae, 0xde, 0x2c, 0x62, 0x08, 0xd3 } }
|
|
|
|
extern nsresult
|
|
nsCycleCollectorLoggerConstructor(nsISupports* outer,
|
|
const nsIID& aIID,
|
|
void* *aInstancePtr);
|
|
|
|
#endif // nsCycleCollector_h__
|