// Copyright (C) 2004-2005 Open Source Telecom Corporation.
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
// As a special exception, you may use this file as part of a free software
// library without restriction.  Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License.  This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.
//
// This exception applies only to the code released under the name GNU
// Common C++.  If you copy code from other releases into a copy of GNU
// Common C++, as the General Public License permits, the exception does
// not apply to the code that you add in this way.  To avoid misleading
// anyone as to the status of such modified files, you must delete
// this exception notice from them.
//
// If you write modifications of your own for GNU Common C++, it is your choice
// whether to permit this exception to apply to your modifications.
// If you do not wish that, delete this exception notice.
//

#include <cc++/config.h>
#include <cc++/export.h>
#include <cc++/thread.h>
#include <cc++/object.h>
#include "private.h"

#ifdef	CCXX_NAMESPACES
namespace ost {
#endif

RefObject::~RefObject() {};

void RefPointer::enterLock(void) {};

void RefPointer::leaveLock(void) {};

void RefPointer::detach(void)
{
	if(ref) {
		enterLock();
		--(ref->refCount);
		if(!ref->refCount)
			delete ref;
		leaveLock();
		ref = NULL;
	}
}

RefPointer::RefPointer(RefObject *obj)
{
	enterLock();
	++obj->refCount;
	leaveLock();
	ref = obj;
}

RefPointer::RefPointer(const RefPointer &ptr)
{
	detach();
	ref = ptr.ref;
	if(ref) {
		enterLock();
		++ref->refCount;
		leaveLock();
	}
}

RefPointer::~RefPointer()
{
	detach();
}

void *RefPointer::getObject() const
{
	if(ref)
		return ref->getObject();

	return NULL;
}

bool RefPointer::operator!() const
{
	if(ref && ref->refCount == 1)
		return true;

	return false;
}

#ifdef	CCXX_NAMESPACES
}
#endif

/** EMACS **
 * Local variables:
 * mode: c++
 * c-basic-offset: 8
 * End:
 */