boost/signals2/signal_base.hpp
// Boost.Signals2 library
// Copyright Frank Mori Hess 2007-2008.
// Use, modification and
// distribution is subject to the Boost Software License, Version
// 1.0. (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
// For more information, see http://www.boost.org
#ifndef BOOST_SIGNALS2_SIGNAL_BASE_HPP
#define BOOST_SIGNALS2_SIGNAL_BASE_HPP
#include <boost/core/noncopyable.hpp>
#include <boost/shared_ptr.hpp>
namespace boost {
namespace signals2 {
class slot_base;
class signal_base : public noncopyable
{
public:
friend class slot_base;
virtual ~signal_base() {}
protected:
virtual shared_ptr<void> lock_pimpl() const = 0;
};
} // end namespace signals2
} // end namespace boost
#endif // BOOST_SIGNALS2_SIGNAL_BASE_HPP