gecko-dev/xpcom/ds/nsArena.h

55 lines
1.4 KiB
C++

/* -*- 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 1.1 (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/NPL/
*
* 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 Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
#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__