pjs/xpcom/ds/nsArena.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#ifndef nsArena_h__
#define nsArena_h__
#include "nsIArena.h"
#define PL_ARENA_CONST_ALIGN_MASK 7
#include "plarena.h"
// Simple arena implementation layered on plarena
class ArenaImpl : public nsIArena {
public:
ArenaImpl(void);
virtual ~ArenaImpl();
NS_DECL_ISUPPORTS
static NS_METHOD
Create(nsISupports *aOuter, REFNSIID aIID, void **aResult);
NS_IMETHOD Init(PRUint32 arenaBlockSize);
NS_IMETHOD_(void*) Alloc(PRUint32 size);
protected:
PLArenaPool mPool;
PRUint32 mBlockSize;
private:
PRBool mInitialized;
};
#endif // nsArena_h__