/usr/include/eiskaltdcpp/dcpp/Pointer.h is in libeiskaltdcpp-dev 2.2.9-4.1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 | /*
* Copyright (C) 2001-2012 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#pragma once
#include <boost/intrusive_ptr.hpp>
#include <boost/detail/atomic_count.hpp>
#include "noexcept.h"
namespace dcpp {
template<typename T>
class intrusive_ptr_base
{
public:
void inc() noexcept {
intrusive_ptr_add_ref(this);
}
void dec() noexcept {
intrusive_ptr_release(this);
}
bool unique(int val = 1) const noexcept {
return (ref <= val);
}
protected:
intrusive_ptr_base() noexcept : ref(0) { }
virtual ~intrusive_ptr_base() { }
private:
friend void intrusive_ptr_add_ref(intrusive_ptr_base* p) {++p->ref;}
friend void intrusive_ptr_release(intrusive_ptr_base* p) { if(--p->ref == 0) { delete static_cast<T*>(p); } }
boost::detail::atomic_count ref;
};
struct DeleteFunction {
template<typename T>
void operator()(const T& p) const { delete p; }
};
} // namespace dcpp
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