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/* -*- Mode: C++; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 4 -*- */
/* ***** 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 [Open Source Virtual Machine.].
*
* The Initial Developer of the Original Code is
* Adobe System Incorporated.
* Portions created by the Initial Developer are Copyright (C) 2004-2006
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Adobe AS3 Team
* leon.sha@sun.com
*
* Alternatively, the contents of this file may be used under the terms of
* either 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
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* 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 __OOM_H__
#define __OOM_H__
#define MMGC_ENTER_VOID \
MMgc::GCHeap::EnterLock(); \
if(MMgc::GCHeap::ShouldNotEnter()) \
{ \
MMgc::GCHeap::EnterRelease(); \
return; \
} \
MMgc::EnterFrame _ef; \
MMgc::GCHeap::EnterRelease(); \
_ef.status = VMPI_setjmpNoUnwind(_ef.jmpbuf); \
if(_ef.status != 0) \
return;
#define MMGC_ENTER_VOID_NO_GUARD \
MMgc::GCHeap::EnterLock(); \
MMgc::EnterFrame _ef; \
MMgc::GCHeap::EnterRelease(); \
_ef.status = VMPI_setjmpNoUnwind(_ef.jmpbuf); \
if(_ef.status != 0) \
return;
#define MMGC_ENTER_RETURN(_val) \
MMgc::GCHeap::EnterLock(); \
if(MMgc::GCHeap::ShouldNotEnter()) \
{ \
MMgc::GCHeap::EnterRelease(); \
return _val; \
} \
MMgc::EnterFrame _ef; \
MMgc::GCHeap::EnterRelease(); \
_ef.status = VMPI_setjmpNoUnwind(_ef.jmpbuf); \
if(_ef.status != 0) \
return _val;
namespace MMgc
{
class EnterFrame
{
friend class GCHeap;
friend class FixedMalloc;
public:
EnterFrame();
~EnterFrame();
jmp_buf jmpbuf;
int status;
void Destroy() { m_heap = NULL; }
GC* GetActiveGC() { return m_gc; }
void SetActiveGC(GC *gc) { m_gc = gc; }
void SetCollectingGC(GC *gc){ m_collectingGC = gc; }
GC* GetCollectingGC(){return m_collectingGC;}
private:
GCHeap *m_heap;
GC *m_gc;
GC *m_collectingGC;
};
typedef enum _MemoryStatus {
kMemNormal,
kMemSoftLimit,
kMemHardLimit,
kMemAbort
} MemoryStatus;
/**
* Mutator oom callback mechanism, subclass and call GCHeap::AddOOMCallback
*/
class OOMCallback
{
public:
virtual ~OOMCallback() {}
virtual void memoryStatusChange(MemoryStatus oldStatus, MemoryStatus newStatus) = 0;
};
}
#endif /* __OOM_H__ */