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/*
* Copyright (C) 2001-2009 Jacek Sieka, arnetheduck on gmail point com
*
* 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.
*/
#ifndef DCPLUSPLUS_DCPP_POINTER_H
#define DCPLUSPLUS_DCPP_POINTER_H
#include <boost/intrusive_ptr.hpp>
#include "Thread.h"
namespace dcpp {
template<typename T>
class intrusive_ptr_base
{
public:
bool unique() throw() {
return (ref == 1);
}
protected:
intrusive_ptr_base() throw() : ref(0) { }
private:
friend void intrusive_ptr_add_ref(intrusive_ptr_base* p) { Thread::safeInc(p->ref); }
friend void intrusive_ptr_release(intrusive_ptr_base* p) { if(Thread::safeDec(p->ref) == 0) { delete static_cast<T*>(p); } }
volatile long ref;
};
struct DeleteFunction {
template<typename T>
void operator()(const T& p) const { delete p; }
};
} // namespace dcpp
#endif // !defined(POINTER_H)
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