Files
cdesktop/cde/lib/tt/lib/util/tt_object.h
2012-03-10 18:58:32 +00:00

65 lines
2.1 KiB
C++

/*
* CDE - Common Desktop Environment
*
* Copyright (c) 1993-2012, The Open Group. All rights reserved.
*
* These libraries and programs are free software; you can
* redistribute them and/or modify them under the terms of the GNU
* Lesser General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* These libraries and programs are distributed in the hope that
* they will be useful, but WITHOUT ANY WARRANTY; without even the
* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with these librararies and programs; if not, write
* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
* Floor, Boston, MA 02110-1301 USA
*/
/*%% (c) Copyright 1993, 1994 Hewlett-Packard Company */
/*%% (c) Copyright 1993, 1994 International Business Machines Corp. */
/*%% (c) Copyright 1993, 1994 Sun Microsystems, Inc. */
/*%% (c) Copyright 1993, 1994 Novell, Inc. */
/*%% $XConsortium: tt_object.h /main/3 1995/10/23 10:42:31 rswiston $ */
/* @(#)tt_object.h 1.19 93/07/30
*
* tt_object.h
*
* Copyright (c) 1990, 1992 by Sun Microsystems, Inc.
*/
#ifndef _TT_OBJECT_H
#define _TT_OBJECT_H
#include "util/tt_ptr.h"
#if defined(ultrix)
#include <rpc/types.h>
#endif
declare_ptr_to(_Tt_object)
class _Tt_ostream;
//
// _Tt_object should instead be a public virtual _Tt_allocated,
// but C++ is not smart enough to realize that sizeof _Tt_allocated is
// zero, and so _Tt_objects do not need a pointer to them.
//
class _Tt_object: public _Tt_allocated {
friend class _Tt_new_ptr;
public:
_Tt_object() { _refcount_ = 0;};
virtual ~_Tt_object();
static _Tt_object_ptr &null_ptr();
bool_t xdr(XDR *xdrs);
int verify_refcount(int maxref);
private:
int _refcount_;
};
typedef void (*_Tt_object_printfn)(const _Tt_ostream &os,
const _Tt_object *obj);
#endif /* _TT_OBJECT_H */