Source: sysadm/CollectionsP.h
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//
// Copyright (c) 1995, 2000 Silicon Graphics, Inc. All Rights Reserved.
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of version 2.1 of the GNU Lesser General Public
// License as published by the Free Software Foundation.
//
// This program is distributed in the hope that it would be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
//
// Further, this software is distributed without any warranty that it is
// free of the rightful claim of any third person regarding infringement
// or the like. Any license provided herein, whether implied or
// otherwise, applies only to this software file. Patent licenses, if
// any, provided herein do not apply to combinations of this program
// with other software, or any other product whatsoever.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this program; if not, write the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307,
// USA.
//
// Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
// Mountain View, CA 94043, or http://www.sgi.com/
//
// For further information regarding this notice, see:
// http://oss.sgi.com/projects/GenInfo/NoticeExplan/
//
#ifndef _SYSADM_COLLECTIONS_P_H
#define _SYSADM_COLLECTIONS_P_H
BEGIN_NAMESPACE(sysadm);
#define USE_RECYCLED_DLINKS
/**
* This is used by several of the collection implimentations.
* DLink is a generic doubly linked list node
*/
class DLink {
public:
DLink( void* data = NULL ) : _prev(NULL), _next(NULL), _data(data)
{
}
~DLink() {}
void insertBefore( DLink* newLink );
void insertAfter( DLink* newLink );
void remove();
DLink* _prev;
DLink* _next;
void* _data;
#ifdef USE_RECYCLED_DLINKS
void* operator new( size_t size );
void operator delete( void* item );
class Recycler {
public:
Recycler();
~Recycler();
DLink* fetch();
void put( DLink* item );
static DLink* _list;
static long _liveCount;
static long _deadCount;
};
#endif
};
END_NAMESPACE(sysadm);
#endif // _SYSADM_COLLECTIONS_P_H
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