FM / signals2

/usr/include/boost/signals2

Name	Size	Mode	Actions
detail/	-	0755	rm
connection.hpp	12005	0644	edit dl rm
deconstruct.hpp	18982	0644	edit dl rm
deconstruct_ptr.hpp	2385	0644	edit dl rm
dummy_mutex.hpp	832	0644	edit dl rm
expired_slot.hpp	731	0644	edit dl rm
last_value.hpp	2161	0644	edit dl rm
mutex.hpp	1060	0644	edit dl rm
optional_last_value.hpp	1720	0644	edit dl rm
postconstructible.hpp	1633	0644	edit dl rm
predestructible.hpp	1341	0644	edit dl rm
preprocessed_signal.hpp	2430	0644	edit dl rm
preprocessed_slot.hpp	2807	0644	edit dl rm
shared_connection_block.hpp	1858	0644	edit dl rm
signal.hpp	1913	0644	edit dl rm
signal_base.hpp	815	0644	edit dl rm
signal_type.hpp	4162	0644	edit dl rm
slot.hpp	976	0644	edit dl rm
slot_base.hpp	3365	0644	edit dl rm
trackable.hpp	1913	0644	edit dl rm
variadic_signal.hpp	1457	0644	edit dl rm
variadic_slot.hpp	772	0644	edit dl rm

Edit: /usr/include/boost/signals2/shared_connection_block.hpp (1858B)

// 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_SHARED_CONNECTION_BLOCK_HPP
#define BOOST_SIGNALS2_SHARED_CONNECTION_BLOCK_HPP

#include <boost/shared_ptr.hpp>
#include <boost/signals2/connection.hpp>
#include <boost/weak_ptr.hpp>

namespace boost
{
  namespace signals2
  {
    class shared_connection_block
    {
    public:
      shared_connection_block(const signals2::connection &conn = signals2::connection(),
        bool initially_blocked = true):
        _weak_connection_body(conn._weak_connection_body)
      {
        if(initially_blocked) block();
      }
      void block()
      {
        if(blocking()) return;
        boost::shared_ptr<detail::connection_body_base> connection_body(_weak_connection_body.lock());
        if(connection_body == 0)
        {
          // Make _blocker non-empty so the blocking() method still returns the correct value
          // after the connection has expired.
          _blocker.reset(static_cast<int*>(0));
          return;
        }
        _blocker = connection_body->get_blocker();
      }
      void unblock()
      {
        _blocker.reset();
      }
      bool blocking() const
      {
        shared_ptr<void> empty;
        return _blocker < empty || empty < _blocker;
      }
      signals2::connection connection() const
      {
        return signals2::connection(_weak_connection_body);
      }
    private:
      boost::weak_ptr<detail::connection_body_base> _weak_connection_body;
      shared_ptr<void> _blocker;
    };
  }
} // end namespace boost

#endif // BOOST_SIGNALS2_SHARED_CONNECTION_BLOCK_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_SHARED_CONNECTION_BLOCK_HPP #define BOOST_SIGNALS2_SHARED_CONNECTION_BLOCK_HPP #include #include #include namespace boost { namespace signals2 { class shared_connection_block { public: shared_connection_block(const signals2::connection &conn = signals2::connection(), bool initially_blocked = true): _weak_connection_body(conn._weak_connection_body) { if(initially_blocked) block(); } void block() { if(blocking()) return; boost::shared_ptr connection_body(_weak_connection_body.lock()); if(connection_body == 0) { // Make _blocker non-empty so the blocking() method still returns the correct value // after the connection has expired. _blocker.reset(static_cast(0)); return; } _blocker = connection_body->get_blocker(); } void unblock() { _blocker.reset(); } bool blocking() const { shared_ptr empty; return _blocker < empty || empty < _blocker; } signals2::connection connection() const { return signals2::connection(_weak_connection_body); } private: boost::weak_ptr _weak_connection_body; shared_ptr _blocker; }; } } // end namespace boost #endif // BOOST_SIGNALS2_SHARED_CONNECTION_BLOCK_HPP