// sigslot.h: Signal/Slot classes
//
// Written by Sarah Thompson (sarah@telergy.com) 2002.
//
// License: Public domain. You are free to use this code however you like, with the proviso that
//          the author takes on no responsibility or liability for any use.
//
// QUICK DOCUMENTATION
//
//				(see also the full documentation at http://sigslot.sourceforge.net/)
//
//		#define switches
//			SIGSLOT_PURE_ISO			- Define this to force ISO C++ compliance. This also disables
//										  all of the thread safety support on platforms where it is
//										  available.
//
//			SIGSLOT_USE_POSIX_THREADS	- Force use of Posix threads when using a C++ compiler other than
//										  gcc on a platform that supports Posix threads. (When using gcc,
//										  this is the default - use SIGSLOT_PURE_ISO to disable this if
//										  necessary)
//
//			SIGSLOT_DEFAULT_MT_POLICY	- Where thread support is enabled, this defaults to multi_threaded_global.
//										  Otherwise, the default is single_threaded. #define this yourself to
//										  override the default. In pure ISO mode, anything other than
//										  single_threaded will cause a compiler error.
//
//		PLATFORM NOTES
//
//			Win32						- On Win32, the WIN32 symbol must be #defined. Most mainstream
//										  compilers do this by default, but you may need to define it
//										  yourself if your build environment is less standard. This causes
//										  the Win32 thread support to be compiled in and used automatically.
//
//			Unix/Linux/BSD, etc.		- If you're using gcc, it is assumed that you have Posix threads
//										  available, so they are used automatically. You can override this
//										  (as under Windows) with the SIGSLOT_PURE_ISO switch. If you're using
//										  something other than gcc but still want to use Posix threads, you
//										  need to #define SIGSLOT_USE_POSIX_THREADS.
//
//			ISO C++						- If none of the supported platforms are detected, or if
//										  SIGSLOT_PURE_ISO is defined, all multithreading support is turned off,
//										  along with any code that might cause a pure ISO C++ environment to
//										  complain. Before you ask, gcc -ansi -pedantic won't compile this
//										  library, but gcc -ansi is fine. Pedantic mode seems to throw a lot of
//										  errors that aren't really there. If you feel like investigating this,
//										  please contact the author.
//
//
//		THREADING MODES
//
//			single_threaded				- Your program is assumed to be single threaded from the point of view
//										  of signal/slot usage (i.e. all objects using signals and slots are
//										  created and destroyed from a single thread). Behaviour if objects are
//										  destroyed concurrently is undefined (i.e. you'll get the occasional
//										  segmentation fault/memory exception).
//
//			multi_threaded_global		- Your program is assumed to be multi threaded. Objects using signals and
//										  slots can be safely created and destroyed from any thread, even when
//										  connections exist. In multi_threaded_global mode, this is achieved by a
//										  single global mutex (actually a critical section on Windows because they
//										  are faster). This option uses less OS resources, but results in more
//										  opportunities for contention, possibly resulting in more context switches
//										  than are strictly necessary.
//
//			multi_threaded_local		- Behaviour in this mode is essentially the same as multi_threaded_global,
//										  except that each signal, and each object that inherits has_slots, all
//										  have their own mutex/critical section. In practice, this means that
//										  mutex collisions (and hence context switches) only happen if they are
//										  absolutely essential. However, on some platforms, creating a lot of
//										  mutexes can slow down the whole OS, so use this option with care.
//
//		USING THE LIBRARY
//
//			See the full documentation at http://sigslot.sourceforge.net/
//
//

#ifndef SIGSLOT_H__
#define SIGSLOT_H__

#include <set>
#include <list>

#if defined(SIGSLOT_PURE_ISO) || (!defined(WIN32) && !defined(__GNUG__) && !defined(SIGSLOT_USE_POSIX_THREADS))
#	define _SIGSLOT_SINGLE_THREADED
#elif defined(WIN32)
#	define _SIGSLOT_HAS_WIN32_THREADS
#	include <windows.h>
#elif defined(__GNUG__) || defined(SIGSLOT_USE_POSIX_THREADS)
#	define _SIGSLOT_HAS_POSIX_THREADS
#	include <pthread.h>
#else
#	define _SIGSLOT_SINGLE_THREADED
#endif

#ifndef SIGSLOT_DEFAULT_MT_POLICY
#	ifdef _SIGSLOT_SINGLE_THREADED
#		define SIGSLOT_DEFAULT_MT_POLICY single_threaded
#	else
#		define SIGSLOT_DEFAULT_MT_POLICY multi_threaded_local
#	endif
#endif


namespace sigslot
{

  class single_threaded
  {
    public:
      single_threaded()
      {
        ;
      }

      virtual ~single_threaded()
      {
        ;
      }

      virtual void lock()
      {
        ;
      }

      virtual void unlock()
      {
        ;
      }
  };

#ifdef _SIGSLOT_HAS_WIN32_THREADS
  // The multi threading policies only get compiled in if they are enabled.
  class multi_threaded_global
  {
    public:
      multi_threaded_global()
      {
        static bool isinitialised = false;

        if(!isinitialised)
        {
          InitializeCriticalSection(get_critsec());
          isinitialised = true;
        }
      }

      multi_threaded_global(const multi_threaded_global&)
      {
        ;
      }

      virtual ~multi_threaded_global()
      {
        ;
      }

      virtual void lock()
      {
        EnterCriticalSection(get_critsec());
      }

      virtual void unlock()
      {
        LeaveCriticalSection(get_critsec());
      }

    private:
      CRITICAL_SECTION* get_critsec()
      {
        static CRITICAL_SECTION g_critsec;
        return &g_critsec;
      }
  };

  class multi_threaded_local
  {
    public:
      multi_threaded_local()
      {
        InitializeCriticalSection(&m_critsec);
      }

      multi_threaded_local(const multi_threaded_local&)
      {
        InitializeCriticalSection(&m_critsec);
      }

      virtual ~multi_threaded_local()
      {
        DeleteCriticalSection(&m_critsec);
      }

      virtual void lock()
      {
        EnterCriticalSection(&m_critsec);
      }

      virtual void unlock()
      {
        LeaveCriticalSection(&m_critsec);
      }

    private:
      CRITICAL_SECTION m_critsec;
  };
#endif // _SIGSLOT_HAS_WIN32_THREADS

#ifdef _SIGSLOT_HAS_POSIX_THREADS
  // The multi threading policies only get compiled in if they are enabled.
  class multi_threaded_global
  {
    public:
      multi_threaded_global()
      {
        pthread_mutex_init(get_mutex(), NULL);
      }

      multi_threaded_global(const multi_threaded_global&)
      {
        ;
      }

      virtual ~multi_threaded_global()
      {
        ;
      }

      virtual void lock()
      {
        pthread_mutex_lock(get_mutex());
      }

      virtual void unlock()
      {
        pthread_mutex_unlock(get_mutex());
      }

    private:
      pthread_mutex_t* get_mutex()
      {
        static pthread_mutex_t g_mutex;
        return &g_mutex;
      }
  };

  class multi_threaded_local
  {
    public:
      multi_threaded_local()
      {
        pthread_mutex_init(&m_mutex, NULL);
      }

      multi_threaded_local(const multi_threaded_local&)
      {
        pthread_mutex_init(&m_mutex, NULL);
      }

      virtual ~multi_threaded_local()
      {
        pthread_mutex_destroy(&m_mutex);
      }

      virtual void lock()
      {
        pthread_mutex_lock(&m_mutex);
      }

      virtual void unlock()
      {
        pthread_mutex_unlock(&m_mutex);
      }

    private:
      pthread_mutex_t m_mutex;
  };
#endif // _SIGSLOT_HAS_POSIX_THREADS

  template<class mt_policy>
  class lock_block
  {
    public:
      mt_policy *m_mutex;

      lock_block(mt_policy *mtx)
          : m_mutex(mtx)
      {
        m_mutex->lock();
      }

      ~lock_block()
      {
        m_mutex->unlock();
      }
  };

  template<class mt_policy>
  class has_slots;

  template<class mt_policy>
  class _connection_base0
  {
    public:
      virtual has_slots<mt_policy>* getdest() const = 0;
      virtual void emit() = 0;
      virtual _connection_base0* clone() = 0;
      virtual _connection_base0* duplicate(has_slots<mt_policy>* pnewdest) = 0;
  };

  template<class arg1_type, class mt_policy>
  class _connection_base1
  {
    public:
      virtual has_slots<mt_policy>* getdest() const = 0;
      virtual void emit(arg1_type) = 0;
      virtual _connection_base1<arg1_type, mt_policy>* clone() = 0;
      virtual _connection_base1<arg1_type, mt_policy>* duplicate(has_slots<mt_policy>* pnewdest) = 0;
  };

  template<class arg1_type, class arg2_type, class mt_policy>
  class _connection_base2
  {
    public:
      virtual has_slots<mt_policy>* getdest() const = 0;
      virtual void emit(arg1_type, arg2_type) = 0;
      virtual _connection_base2<arg1_type, arg2_type, mt_policy>* clone() = 0;
      virtual _connection_base2<arg1_type, arg2_type, mt_policy>* duplicate(has_slots<mt_policy>* pnewdest) = 0;
  };

  template<class arg1_type, class arg2_type, class arg3_type, class mt_policy>
  class _connection_base3
  {
    public:
      virtual has_slots<mt_policy>* getdest() const = 0;
      virtual void emit(arg1_type, arg2_type, arg3_type) = 0;
      virtual _connection_base3<arg1_type, arg2_type, arg3_type, mt_policy>* clone() = 0;
      virtual _connection_base3<arg1_type, arg2_type, arg3_type, mt_policy>* duplicate(has_slots<mt_policy>* pnewdest) = 0;
  };

  template<class arg1_type, class arg2_type, class arg3_type, class arg4_type, class mt_policy>
  class _connection_base4
  {
    public:
      virtual has_slots<mt_policy>* getdest() const = 0;
      virtual void emit(arg1_type, arg2_type, arg3_type, arg4_type) = 0;
      virtual _connection_base4<arg1_type, arg2_type, arg3_type, arg4_type, mt_policy>* clone() = 0;
      virtual _connection_base4<arg1_type, arg2_type, arg3_type, arg4_type, mt_policy>* duplicate(has_slots<mt_policy>* pnewdest) = 0;
  };

  template<class arg1_type, class arg2_type, class arg3_type, class arg4_type,
  class arg5_type, class mt_policy>
  class _connection_base5
  {
    public:
      virtual has_slots<mt_policy>* getdest() const = 0;
      virtual void emit(arg1_type, arg2_type, arg3_type, arg4_type,
                        arg5_type) = 0;
      virtual _connection_base5<arg1_type, arg2_type, arg3_type, arg4_type,
      arg5_type, mt_policy>* clone() = 0;
      virtual _connection_base5<arg1_type, arg2_type, arg3_type, arg4_type,
      arg5_type, mt_policy>* duplicate(has_slots<mt_policy>* pnewdest) = 0;
  };

  template<class arg1_type, class arg2_type, class arg3_type, class arg4_type,
  class arg5_type, class arg6_type, class mt_policy>
  class _connection_base6
  {
    public:
      virtual has_slots<mt_policy>* getdest() const = 0;
      virtual void emit(arg1_type, arg2_type, arg3_type, arg4_type, arg5_type,
                        arg6_type) = 0;
      virtual _connection_base6<arg1_type, arg2_type, arg3_type, arg4_type,
      arg5_type, arg6_type, mt_policy>* clone() = 0;
      virtual _connection_base6<arg1_type, arg2_type, arg3_type, arg4_type,
      arg5_type, arg6_type, mt_policy>* duplicate(has_slots<mt_policy>* pnewdest) = 0;
  };

  template<class arg1_type, class arg2_type, class arg3_type, class arg4_type,
  class arg5_type, class arg6_type, class arg7_type, class mt_policy>
  class _connection_base7
  {
    public:
      virtual has_slots<mt_policy>* getdest() const = 0;
      virtual void emit(arg1_type, arg2_type, arg3_type, arg4_type, arg5_type,
                        arg6_type, arg7_type) = 0;
      virtual _connection_base7<arg1_type, arg2_type, arg3_type, arg4_type,
      arg5_type, arg6_type, arg7_type, mt_policy>* clone() = 0;
      virtual _connection_base7<arg1_type, arg2_type, arg3_type, arg4_type,
      arg5_type, arg6_type, arg7_type, mt_policy>* duplicate(has_slots<mt_policy>* pnewdest) = 0;
  };

  template<class arg1_type, class arg2_type, class arg3_type, class arg4_type,
  class arg5_type, class arg6_type, class arg7_type, class arg8_type, class mt_policy>
  class _connection_base8
  {
    public:
      virtual has_slots<mt_policy>* getdest() const = 0;
      virtual void emit(arg1_type, arg2_type, arg3_type, arg4_type, arg5_type,
                        arg6_type, arg7_type, arg8_type) = 0;
      virtual _connection_base8<arg1_type, arg2_type, arg3_type, arg4_type,
      arg5_type, arg6_type, arg7_type, arg8_type, mt_policy>* clone() = 0;
      virtual _connection_base8<arg1_type, arg2_type, arg3_type, arg4_type,
      arg5_type, arg6_type, arg7_type, arg8_type, mt_policy>* duplicate(has_slots<mt_policy>* pnewdest) = 0;
  };

  template<class mt_policy>
  class _signal_base : public mt_policy
  {
    public:
      virtual void slot_disconnect(has_slots<mt_policy>* pslot) = 0;
      virtual void slot_duplicate(const has_slots<mt_policy>* poldslot, has_slots<mt_policy>* pnewslot) = 0;
  };

  template<class mt_policy = SIGSLOT_DEFAULT_MT_POLICY>
  class has_slots : public mt_policy
  {
    private:
      typedef std::set<_signal_base<mt_policy> *> sender_set;
      typedef typename sender_set::const_iterator const_iterator;

    public:
      has_slots()
      {
        ;
      }

      has_slots(const has_slots& hs)
          : mt_policy(hs)
      {
        lock_block<mt_policy> lock(this);
        const_iterator it = hs.m_senders.begin();
        const_iterator itEnd = hs.m_senders.end();

        while(it != itEnd)
        {
          (*it)->slot_duplicate(&hs, this);
          m_senders.insert(*it);
          ++it;
        }
      }

      void signal_connect(_signal_base<mt_policy>* sender)
      {
        lock_block<mt_policy> lock(this);
        m_senders.insert(sender);
      }

      void signal_disconnect(_signal_base<mt_policy>* sender)
      {
        lock_block<mt_policy> lock(this);
        m_senders.erase(sender);
      }

      virtual ~has_slots()
      {
        disconnect_all();
      }

      void disconnect_all()
      {
        lock_block<mt_policy> lock(this);
        const_iterator it = m_senders.begin();
        const_iterator itEnd = m_senders.end();

        while(it != itEnd)
        {
          (*it)->slot_disconnect(this);
          ++it;
        }

        m_senders.erase(m_senders.begin(), m_senders.end());
      }

    private:
      sender_set m_senders;
  };

  template<class mt_policy>
  class _signal_base0 : public _signal_base<mt_policy>
  {
    public:
      typedef std::list<_connection_base0<mt_policy> *>  connections_list;

      _signal_base0()
      {
        ;
      }

      _signal_base0(const _signal_base0& s)
          : _signal_base<mt_policy>(s)
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::const_iterator it = s.m_connected_slots.begin();
        typename connections_list::const_iterator itEnd = s.m_connected_slots.end();

        while(it != itEnd)
        {
          (*it)->getdest()->signal_connect(this);
          m_connected_slots.push_back((*it)->clone());

          ++it;
        }
      }

      ~_signal_base0()
      {
        disconnect_all();
      }

      void disconnect_all()
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::const_iterator it = m_connected_slots.begin();
        typename connections_list::const_iterator itEnd = m_connected_slots.end();

        while(it != itEnd)
        {
          (*it)->getdest()->signal_disconnect(this);
          delete *it;

          ++it;
        }

        m_connected_slots.erase(m_connected_slots.begin(), m_connected_slots.end());
      }

      void disconnect(has_slots<mt_policy>* pclass)
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::iterator it = m_connected_slots.begin();
        typename connections_list::iterator itEnd = m_connected_slots.end();

        while(it != itEnd)
        {
          if((*it)->getdest() == pclass)
          {
            delete *it;
            m_connected_slots.erase(it);
            pclass->signal_disconnect(this);
            return;
          }

          ++it;
        }
      }

      void slot_disconnect(has_slots<mt_policy>* pslot)
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::iterator it = m_connected_slots.begin();
        typename connections_list::iterator itEnd = m_connected_slots.end();

        while(it != itEnd)
        {
          typename connections_list::iterator itNext = it;
          ++itNext;

          if((*it)->getdest() == pslot)
          {
            m_connected_slots.erase(it);
            //			delete *it;
          }

          it = itNext;
        }
      }

      void slot_duplicate(const has_slots<mt_policy>* oldtarget, has_slots<mt_policy>* newtarget)
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::iterator it = m_connected_slots.begin();
        typename connections_list::iterator itEnd = m_connected_slots.end();

        while(it != itEnd)
        {
          if((*it)->getdest() == oldtarget)
          {
            m_connected_slots.push_back((*it)->duplicate(newtarget));
          }

          ++it;
        }
      }

    protected:
      connections_list m_connected_slots;
  };

  template<class arg1_type, class mt_policy>
  class _signal_base1 : public _signal_base<mt_policy>
  {
    public:
      typedef std::list<_connection_base1<arg1_type, mt_policy> *>  connections_list;

      _signal_base1()
      {
        ;
      }

      _signal_base1(const _signal_base1<arg1_type, mt_policy>& s)
          : _signal_base<mt_policy>(s)
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::const_iterator it = s.m_connected_slots.begin();
        typename connections_list::const_iterator itEnd = s.m_connected_slots.end();

        while(it != itEnd)
        {
          (*it)->getdest()->signal_connect(this);
          m_connected_slots.push_back((*it)->clone());

          ++it;
        }
      }

      void slot_duplicate(const has_slots<mt_policy>* oldtarget, has_slots<mt_policy>* newtarget)
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::iterator it = m_connected_slots.begin();
        typename connections_list::iterator itEnd = m_connected_slots.end();

        while(it != itEnd)
        {
          if((*it)->getdest() == oldtarget)
          {
            m_connected_slots.push_back((*it)->duplicate(newtarget));
          }

          ++it;
        }
      }

      ~_signal_base1()
      {
        disconnect_all();
      }

      void disconnect_all()
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::const_iterator it = m_connected_slots.begin();
        typename connections_list::const_iterator itEnd = m_connected_slots.end();

        while(it != itEnd)
        {
          (*it)->getdest()->signal_disconnect(this);
          delete *it;

          ++it;
        }

        m_connected_slots.erase(m_connected_slots.begin(), m_connected_slots.end());
      }

      void disconnect(has_slots<mt_policy>* pclass)
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::iterator it = m_connected_slots.begin();
        typename connections_list::iterator itEnd = m_connected_slots.end();

        while(it != itEnd)
        {
          if((*it)->getdest() == pclass)
          {
            delete *it;
            m_connected_slots.erase(it);
            pclass->signal_disconnect(this);
            return;
          }

          ++it;
        }
      }

      void slot_disconnect(has_slots<mt_policy>* pslot)
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::iterator it = m_connected_slots.begin();
        typename connections_list::iterator itEnd = m_connected_slots.end();

        while(it != itEnd)
        {
          typename connections_list::iterator itNext = it;
          ++itNext;

          if((*it)->getdest() == pslot)
          {
            m_connected_slots.erase(it);
            //			delete *it;
          }

          it = itNext;
        }
      }


    protected:
      connections_list m_connected_slots;
  };

  template<class arg1_type, class arg2_type, class mt_policy>
  class _signal_base2 : public _signal_base<mt_policy>
  {
    public:
      typedef std::list<_connection_base2<arg1_type, arg2_type, mt_policy> *>
      connections_list;

      _signal_base2()
      {
        ;
      }

      _signal_base2(const _signal_base2<arg1_type, arg2_type, mt_policy>& s)
          : _signal_base<mt_policy>(s)
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::const_iterator it = s.m_connected_slots.begin();
        typename connections_list::const_iterator itEnd = s.m_connected_slots.end();

        while(it != itEnd)
        {
          (*it)->getdest()->signal_connect(this);
          m_connected_slots.push_back((*it)->clone());

          ++it;
        }
      }

      void slot_duplicate(const has_slots<mt_policy>* oldtarget, has_slots<mt_policy>* newtarget)
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::iterator it = m_connected_slots.begin();
        typename connections_list::iterator itEnd = m_connected_slots.end();

        while(it != itEnd)
        {
          if((*it)->getdest() == oldtarget)
          {
            m_connected_slots.push_back((*it)->duplicate(newtarget));
          }

          ++it;
        }
      }

      ~_signal_base2()
      {
        disconnect_all();
      }

      void disconnect_all()
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::const_iterator it = m_connected_slots.begin();
        typename connections_list::const_iterator itEnd = m_connected_slots.end();

        while(it != itEnd)
        {
          (*it)->getdest()->signal_disconnect(this);
          delete *it;

          ++it;
        }

        m_connected_slots.erase(m_connected_slots.begin(), m_connected_slots.end());
      }

      void disconnect(has_slots<mt_policy>* pclass)
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::iterator it = m_connected_slots.begin();
        typename connections_list::iterator itEnd = m_connected_slots.end();

        while(it != itEnd)
        {
          if((*it)->getdest() == pclass)
          {
            delete *it;
            m_connected_slots.erase(it);
            pclass->signal_disconnect(this);
            return;
          }

          ++it;
        }
      }

      void slot_disconnect(has_slots<mt_policy>* pslot)
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::iterator it = m_connected_slots.begin();
        typename connections_list::iterator itEnd = m_connected_slots.end();

        while(it != itEnd)
        {
          typename connections_list::iterator itNext = it;
          ++itNext;

          if((*it)->getdest() == pslot)
          {
            m_connected_slots.erase(it);
            //			delete *it;
          }

          it = itNext;
        }
      }

    protected:
      connections_list m_connected_slots;
  };

  template<class arg1_type, class arg2_type, class arg3_type, class mt_policy>
  class _signal_base3 : public _signal_base<mt_policy>
  {
    public:
      typedef std::list<_connection_base3<arg1_type, arg2_type, arg3_type, mt_policy> *>
      connections_list;

      _signal_base3()
      {
        ;
      }

      _signal_base3(const _signal_base3<arg1_type, arg2_type, arg3_type, mt_policy>& s)
          : _signal_base<mt_policy>(s)
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::const_iterator it = s.m_connected_slots.begin();
        typename connections_list::const_iterator itEnd = s.m_connected_slots.end();

        while(it != itEnd)
        {
          (*it)->getdest()->signal_connect(this);
          m_connected_slots.push_back((*it)->clone());

          ++it;
        }
      }

      void slot_duplicate(const has_slots<mt_policy>* oldtarget, has_slots<mt_policy>* newtarget)
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::iterator it = m_connected_slots.begin();
        typename connections_list::iterator itEnd = m_connected_slots.end();

        while(it != itEnd)
        {
          if((*it)->getdest() == oldtarget)
          {
            m_connected_slots.push_back((*it)->duplicate(newtarget));
          }

          ++it;
        }
      }

      ~_signal_base3()
      {
        disconnect_all();
      }

      void disconnect_all()
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::const_iterator it = m_connected_slots.begin();
        typename connections_list::const_iterator itEnd = m_connected_slots.end();

        while(it != itEnd)
        {
          (*it)->getdest()->signal_disconnect(this);
          delete *it;

          ++it;
        }

        m_connected_slots.erase(m_connected_slots.begin(), m_connected_slots.end());
      }

      void disconnect(has_slots<mt_policy>* pclass)
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::iterator it = m_connected_slots.begin();
        typename connections_list::iterator itEnd = m_connected_slots.end();

        while(it != itEnd)
        {
          if((*it)->getdest() == pclass)
          {
            delete *it;
            m_connected_slots.erase(it);
            pclass->signal_disconnect(this);
            return;
          }

          ++it;
        }
      }

      void slot_disconnect(has_slots<mt_policy>* pslot)
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::iterator it = m_connected_slots.begin();
        typename connections_list::iterator itEnd = m_connected_slots.end();

        while(it != itEnd)
        {
          typename connections_list::iterator itNext = it;
          ++itNext;

          if((*it)->getdest() == pslot)
          {
            m_connected_slots.erase(it);
            //			delete *it;
          }

          it = itNext;
        }
      }

    protected:
      connections_list m_connected_slots;
  };

  template<class arg1_type, class arg2_type, class arg3_type, class arg4_type, class mt_policy>
  class _signal_base4 : public _signal_base<mt_policy>
  {
    public:
      typedef std::list<_connection_base4<arg1_type, arg2_type, arg3_type,
      arg4_type, mt_policy> *>  connections_list;

      _signal_base4()
      {
        ;
      }

      _signal_base4(const _signal_base4<arg1_type, arg2_type, arg3_type, arg4_type, mt_policy>& s)
          : _signal_base<mt_policy>(s)
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::const_iterator it = s.m_connected_slots.begin();
        typename connections_list::const_iterator itEnd = s.m_connected_slots.end();

        while(it != itEnd)
        {
          (*it)->getdest()->signal_connect(this);
          m_connected_slots.push_back((*it)->clone());

          ++it;
        }
      }

      void slot_duplicate(const has_slots<mt_policy>* oldtarget, has_slots<mt_policy>* newtarget)
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::iterator it = m_connected_slots.begin();
        typename connections_list::iterator itEnd = m_connected_slots.end();

        while(it != itEnd)
        {
          if((*it)->getdest() == oldtarget)
          {
            m_connected_slots.push_back((*it)->duplicate(newtarget));
          }

          ++it;
        }
      }

      ~_signal_base4()
      {
        disconnect_all();
      }

      void disconnect_all()
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::const_iterator it = m_connected_slots.begin();
        typename connections_list::const_iterator itEnd = m_connected_slots.end();

        while(it != itEnd)
        {
          (*it)->getdest()->signal_disconnect(this);
          delete *it;

          ++it;
        }

        m_connected_slots.erase(m_connected_slots.begin(), m_connected_slots.end());
      }

      void disconnect(has_slots<mt_policy>* pclass)
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::iterator it = m_connected_slots.begin();
        typename connections_list::iterator itEnd = m_connected_slots.end();

        while(it != itEnd)
        {
          if((*it)->getdest() == pclass)
          {
            delete *it;
            m_connected_slots.erase(it);
            pclass->signal_disconnect(this);
            return;
          }

          ++it;
        }
      }

      void slot_disconnect(has_slots<mt_policy>* pslot)
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::iterator it = m_connected_slots.begin();
        typename connections_list::iterator itEnd = m_connected_slots.end();

        while(it != itEnd)
        {
          typename connections_list::iterator itNext = it;
          ++itNext;

          if((*it)->getdest() == pslot)
          {
            m_connected_slots.erase(it);
            //			delete *it;
          }

          it = itNext;
        }
      }

    protected:
      connections_list m_connected_slots;
  };

  template<class arg1_type, class arg2_type, class arg3_type, class arg4_type,
  class arg5_type, class mt_policy>
  class _signal_base5 : public _signal_base<mt_policy>
  {
    public:
      typedef std::list<_connection_base5<arg1_type, arg2_type, arg3_type,
      arg4_type, arg5_type, mt_policy> *>  connections_list;

      _signal_base5()
      {
        ;
      }

      _signal_base5(const _signal_base5<arg1_type, arg2_type, arg3_type, arg4_type,
                    arg5_type, mt_policy>& s)
          : _signal_base<mt_policy>(s)
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::const_iterator it = s.m_connected_slots.begin();
        typename connections_list::const_iterator itEnd = s.m_connected_slots.end();

        while(it != itEnd)
        {
          (*it)->getdest()->signal_connect(this);
          m_connected_slots.push_back((*it)->clone());

          ++it;
        }
      }

      void slot_duplicate(const has_slots<mt_policy>* oldtarget, has_slots<mt_policy>* newtarget)
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::iterator it = m_connected_slots.begin();
        typename connections_list::iterator itEnd = m_connected_slots.end();

        while(it != itEnd)
        {
          if((*it)->getdest() == oldtarget)
          {
            m_connected_slots.push_back((*it)->duplicate(newtarget));
          }

          ++it;
        }
      }

      ~_signal_base5()
      {
        disconnect_all();
      }

      void disconnect_all()
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::const_iterator it = m_connected_slots.begin();
        typename connections_list::const_iterator itEnd = m_connected_slots.end();

        while(it != itEnd)
        {
          (*it)->getdest()->signal_disconnect(this);
          delete *it;

          ++it;
        }

        m_connected_slots.erase(m_connected_slots.begin(), m_connected_slots.end());
      }

      void disconnect(has_slots<mt_policy>* pclass)
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::iterator it = m_connected_slots.begin();
        typename connections_list::iterator itEnd = m_connected_slots.end();

        while(it != itEnd)
        {
          if((*it)->getdest() == pclass)
          {
            delete *it;
            m_connected_slots.erase(it);
            pclass->signal_disconnect(this);
            return;
          }

          ++it;
        }
      }

      void slot_disconnect(has_slots<mt_policy>* pslot)
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::iterator it = m_connected_slots.begin();
        typename connections_list::iterator itEnd = m_connected_slots.end();

        while(it != itEnd)
        {
          typename connections_list::iterator itNext = it;
          ++itNext;

          if((*it)->getdest() == pslot)
          {
            m_connected_slots.erase(it);
            //			delete *it;
          }

          it = itNext;
        }
      }

    protected:
      connections_list m_connected_slots;
  };

  template<class arg1_type, class arg2_type, class arg3_type, class arg4_type,
  class arg5_type, class arg6_type, class mt_policy>
  class _signal_base6 : public _signal_base<mt_policy>
  {
    public:
      typedef std::list<_connection_base6<arg1_type, arg2_type, arg3_type,
      arg4_type, arg5_type, arg6_type, mt_policy> *>  connections_list;

      _signal_base6()
      {
        ;
      }

      _signal_base6(const _signal_base6<arg1_type, arg2_type, arg3_type, arg4_type,
                    arg5_type, arg6_type, mt_policy>& s)
          : _signal_base<mt_policy>(s)
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::const_iterator it = s.m_connected_slots.begin();
        typename connections_list::const_iterator itEnd = s.m_connected_slots.end();

        while(it != itEnd)
        {
          (*it)->getdest()->signal_connect(this);
          m_connected_slots.push_back((*it)->clone());

          ++it;
        }
      }

      void slot_duplicate(const has_slots<mt_policy>* oldtarget, has_slots<mt_policy>* newtarget)
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::iterator it = m_connected_slots.begin();
        typename connections_list::iterator itEnd = m_connected_slots.end();

        while(it != itEnd)
        {
          if((*it)->getdest() == oldtarget)
          {
            m_connected_slots.push_back((*it)->duplicate(newtarget));
          }

          ++it;
        }
      }

      ~_signal_base6()
      {
        disconnect_all();
      }

      void disconnect_all()
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::const_iterator it = m_connected_slots.begin();
        typename connections_list::const_iterator itEnd = m_connected_slots.end();

        while(it != itEnd)
        {
          (*it)->getdest()->signal_disconnect(this);
          delete *it;

          ++it;
        }

        m_connected_slots.erase(m_connected_slots.begin(), m_connected_slots.end());
      }

      void disconnect(has_slots<mt_policy>* pclass)
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::iterator it = m_connected_slots.begin();
        typename connections_list::iterator itEnd = m_connected_slots.end();

        while(it != itEnd)
        {
          if((*it)->getdest() == pclass)
          {
            delete *it;
            m_connected_slots.erase(it);
            pclass->signal_disconnect(this);
            return;
          }

          ++it;
        }
      }

      void slot_disconnect(has_slots<mt_policy>* pslot)
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::iterator it = m_connected_slots.begin();
        typename connections_list::iterator itEnd = m_connected_slots.end();

        while(it != itEnd)
        {
          typename connections_list::iterator itNext = it;
          ++itNext;

          if((*it)->getdest() == pslot)
          {
            m_connected_slots.erase(it);
            //			delete *it;
          }

          it = itNext;
        }
      }

    protected:
      connections_list m_connected_slots;
  };

  template<class arg1_type, class arg2_type, class arg3_type, class arg4_type,
  class arg5_type, class arg6_type, class arg7_type, class mt_policy>
  class _signal_base7 : public _signal_base<mt_policy>
  {
    public:
      typedef std::list<_connection_base7<arg1_type, arg2_type, arg3_type,
      arg4_type, arg5_type, arg6_type, arg7_type, mt_policy> *>  connections_list;

      _signal_base7()
      {
        ;
      }

      _signal_base7(const _signal_base7<arg1_type, arg2_type, arg3_type, arg4_type,
                    arg5_type, arg6_type, arg7_type, mt_policy>& s)
          : _signal_base<mt_policy>(s)
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::const_iterator it = s.m_connected_slots.begin();
        typename connections_list::const_iterator itEnd = s.m_connected_slots.end();

        while(it != itEnd)
        {
          (*it)->getdest()->signal_connect(this);
          m_connected_slots.push_back((*it)->clone());

          ++it;
        }
      }

      void slot_duplicate(const has_slots<mt_policy>* oldtarget, has_slots<mt_policy>* newtarget)
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::iterator it = m_connected_slots.begin();
        typename connections_list::iterator itEnd = m_connected_slots.end();

        while(it != itEnd)
        {
          if((*it)->getdest() == oldtarget)
          {
            m_connected_slots.push_back((*it)->duplicate(newtarget));
          }

          ++it;
        }
      }

      ~_signal_base7()
      {
        disconnect_all();
      }

      void disconnect_all()
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::const_iterator it = m_connected_slots.begin();
        typename connections_list::const_iterator itEnd = m_connected_slots.end();

        while(it != itEnd)
        {
          (*it)->getdest()->signal_disconnect(this);
          delete *it;

          ++it;
        }

        m_connected_slots.erase(m_connected_slots.begin(), m_connected_slots.end());
      }

      void disconnect(has_slots<mt_policy>* pclass)
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::iterator it = m_connected_slots.begin();
        typename connections_list::iterator itEnd = m_connected_slots.end();

        while(it != itEnd)
        {
          if((*it)->getdest() == pclass)
          {
            delete *it;
            m_connected_slots.erase(it);
            pclass->signal_disconnect(this);
            return;
          }

          ++it;
        }
      }

      void slot_disconnect(has_slots<mt_policy>* pslot)
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::iterator it = m_connected_slots.begin();
        typename connections_list::iterator itEnd = m_connected_slots.end();

        while(it != itEnd)
        {
          typename connections_list::iterator itNext = it;
          ++itNext;

          if((*it)->getdest() == pslot)
          {
            m_connected_slots.erase(it);
            //			delete *it;
          }

          it = itNext;
        }
      }

    protected:
      connections_list m_connected_slots;
  };

  template<class arg1_type, class arg2_type, class arg3_type, class arg4_type,
  class arg5_type, class arg6_type, class arg7_type, class arg8_type, class mt_policy>
  class _signal_base8 : public _signal_base<mt_policy>
  {
    public:
      typedef std::list<_connection_base8<arg1_type, arg2_type, arg3_type,
      arg4_type, arg5_type, arg6_type, arg7_type, arg8_type, mt_policy> *>
      connections_list;

      _signal_base8()
      {
        ;
      }

      _signal_base8(const _signal_base8<arg1_type, arg2_type, arg3_type, arg4_type,
                    arg5_type, arg6_type, arg7_type, arg8_type, mt_policy>& s)
          : _signal_base<mt_policy>(s)
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::const_iterator it = s.m_connected_slots.begin();
        typename connections_list::const_iterator itEnd = s.m_connected_slots.end();

        while(it != itEnd)
        {
          (*it)->getdest()->signal_connect(this);
          m_connected_slots.push_back((*it)->clone());

          ++it;
        }
      }

      void slot_duplicate(const has_slots<mt_policy>* oldtarget, has_slots<mt_policy>* newtarget)
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::iterator it = m_connected_slots.begin();
        typename connections_list::iterator itEnd = m_connected_slots.end();

        while(it != itEnd)
        {
          if((*it)->getdest() == oldtarget)
          {
            m_connected_slots.push_back((*it)->duplicate(newtarget));
          }

          ++it;
        }
      }

      ~_signal_base8()
      {
        disconnect_all();
      }

      void disconnect_all()
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::const_iterator it = m_connected_slots.begin();
        typename connections_list::const_iterator itEnd = m_connected_slots.end();

        while(it != itEnd)
        {
          (*it)->getdest()->signal_disconnect(this);
          delete *it;

          ++it;
        }

        m_connected_slots.erase(m_connected_slots.begin(), m_connected_slots.end());
      }

      void disconnect(has_slots<mt_policy>* pclass)
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::iterator it = m_connected_slots.begin();
        typename connections_list::iterator itEnd = m_connected_slots.end();

        while(it != itEnd)
        {
          if((*it)->getdest() == pclass)
          {
            delete *it;
            m_connected_slots.erase(it);
            pclass->signal_disconnect(this);
            return;
          }

          ++it;
        }
      }

      void slot_disconnect(has_slots<mt_policy>* pslot)
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::iterator it = m_connected_slots.begin();
        typename connections_list::iterator itEnd = m_connected_slots.end();

        while(it != itEnd)
        {
          typename connections_list::iterator itNext = it;
          ++itNext;

          if((*it)->getdest() == pslot)
          {
            m_connected_slots.erase(it);
            //			delete *it;
          }

          it = itNext;
        }
      }

    protected:
      connections_list m_connected_slots;
  };


  template<class dest_type, class mt_policy>
  class _connection0 : public _connection_base0<mt_policy>
  {
    public:
      _connection0()
      {
        pobject = NULL;
        pmemfun = NULL;
      }

      _connection0(dest_type* pobject, void (dest_type::*pmemfun)())
      {
        m_pobject = pobject;
        m_pmemfun = pmemfun;
      }

      virtual _connection_base0<mt_policy>* clone()
      {
        return new _connection0<dest_type, mt_policy>(*this);
      }

      virtual _connection_base0<mt_policy>* duplicate(has_slots<mt_policy>* pnewdest)
      {
        return new _connection0<dest_type, mt_policy>((dest_type *)pnewdest, m_pmemfun);
      }

      virtual void emit()
      {
        (m_pobject->*m_pmemfun)();
      }

      virtual has_slots<mt_policy>* getdest() const
      {
        return m_pobject;
      }

    private:
      dest_type* m_pobject;
      void (dest_type::* m_pmemfun)();
  };

  template<class dest_type, class arg1_type, class mt_policy>
  class _connection1 : public _connection_base1<arg1_type, mt_policy>
  {
    public:
      _connection1()
      {
        pobject = NULL;
        pmemfun = NULL;
      }

      _connection1(dest_type* pobject, void (dest_type::*pmemfun)(arg1_type))
      {
        m_pobject = pobject;
        m_pmemfun = pmemfun;
      }

      virtual _connection_base1<arg1_type, mt_policy>* clone()
      {
        return new _connection1<dest_type, arg1_type, mt_policy>(*this);
      }

      virtual _connection_base1<arg1_type, mt_policy>* duplicate(has_slots<mt_policy>* pnewdest)
      {
        return new _connection1<dest_type, arg1_type, mt_policy>((dest_type *)pnewdest, m_pmemfun);
      }

      virtual void emit(arg1_type a1)
      {
        (m_pobject->*m_pmemfun)(a1);
      }

      virtual has_slots<mt_policy>* getdest() const
      {
        return m_pobject;
      }

    private:
      dest_type* m_pobject;
      void (dest_type::* m_pmemfun)(arg1_type);
  };

  template<class dest_type, class arg1_type, class arg2_type, class mt_policy>
  class _connection2 : public _connection_base2<arg1_type, arg2_type, mt_policy>
  {
    public:
      _connection2()
      {
        pobject = NULL;
        pmemfun = NULL;
      }

      _connection2(dest_type* pobject, void (dest_type::*pmemfun)(arg1_type,
                   arg2_type))
      {
        m_pobject = pobject;
        m_pmemfun = pmemfun;
      }

      virtual _connection_base2<arg1_type, arg2_type, mt_policy>* clone()
      {
        return new _connection2<dest_type, arg1_type, arg2_type, mt_policy>(*this);
      }

      virtual _connection_base2<arg1_type, arg2_type, mt_policy>* duplicate(has_slots<mt_policy>* pnewdest)
      {
        return new _connection2<dest_type, arg1_type, arg2_type, mt_policy>((dest_type *)pnewdest, m_pmemfun);
      }

      virtual void emit(arg1_type a1, arg2_type a2)
      {
        (m_pobject->*m_pmemfun)(a1, a2);
      }

      virtual has_slots<mt_policy>* getdest() const
      {
        return m_pobject;
      }

    private:
      dest_type* m_pobject;
      void (dest_type::* m_pmemfun)(arg1_type, arg2_type);
  };

  template<class dest_type, class arg1_type, class arg2_type, class arg3_type, class mt_policy>
  class _connection3 : public _connection_base3<arg1_type, arg2_type, arg3_type, mt_policy>
  {
    public:
      _connection3()
      {
        pobject = NULL;
        pmemfun = NULL;
      }

      _connection3(dest_type* pobject, void (dest_type::*pmemfun)(arg1_type,
                   arg2_type, arg3_type))
      {
        m_pobject = pobject;
        m_pmemfun = pmemfun;
      }

      virtual _connection_base3<arg1_type, arg2_type, arg3_type, mt_policy>* clone()
      {
        return new _connection3<dest_type, arg1_type, arg2_type, arg3_type, mt_policy>(*this);
      }

      virtual _connection_base3<arg1_type, arg2_type, arg3_type, mt_policy>* duplicate(has_slots<mt_policy>* pnewdest)
      {
        return new _connection3<dest_type, arg1_type, arg2_type, arg3_type, mt_policy>((dest_type *)pnewdest, m_pmemfun);
      }

      virtual void emit(arg1_type a1, arg2_type a2, arg3_type a3)
      {
        (m_pobject->*m_pmemfun)(a1, a2, a3);
      }

      virtual has_slots<mt_policy>* getdest() const
      {
        return m_pobject;
      }

    private:
      dest_type* m_pobject;
      void (dest_type::* m_pmemfun)(arg1_type, arg2_type, arg3_type);
  };

  template<class dest_type, class arg1_type, class arg2_type, class arg3_type,
  class arg4_type, class mt_policy>
  class _connection4 : public _connection_base4<arg1_type, arg2_type,
        arg3_type, arg4_type, mt_policy>
  {
    public:
      _connection4()
      {
        pobject = NULL;
        pmemfun = NULL;
      }

      _connection4(dest_type* pobject, void (dest_type::*pmemfun)(arg1_type,
                   arg2_type, arg3_type, arg4_type))
      {
        m_pobject = pobject;
        m_pmemfun = pmemfun;
      }

      virtual _connection_base4<arg1_type, arg2_type, arg3_type, arg4_type, mt_policy>* clone()
      {
        return new _connection4<dest_type, arg1_type, arg2_type, arg3_type, arg4_type, mt_policy>(*this);
      }

      virtual _connection_base4<arg1_type, arg2_type, arg3_type, arg4_type, mt_policy>* duplicate(has_slots<mt_policy>* pnewdest)
      {
        return new _connection4<dest_type, arg1_type, arg2_type, arg3_type, arg4_type, mt_policy>((dest_type *)pnewdest, m_pmemfun);
      }

      virtual void emit(arg1_type a1, arg2_type a2, arg3_type a3,
                        arg4_type a4)
      {
        (m_pobject->*m_pmemfun)(a1, a2, a3, a4);
      }

      virtual has_slots<mt_policy>* getdest() const
      {
        return m_pobject;
      }

    private:
      dest_type* m_pobject;
      void (dest_type::* m_pmemfun)(arg1_type, arg2_type, arg3_type,
                                    arg4_type);
  };

  template<class dest_type, class arg1_type, class arg2_type, class arg3_type,
  class arg4_type, class arg5_type, class mt_policy>
  class _connection5 : public _connection_base5<arg1_type, arg2_type,
        arg3_type, arg4_type, arg5_type, mt_policy>
  {
    public:
      _connection5()
      {
        pobject = NULL;
        pmemfun = NULL;
      }

      _connection5(dest_type* pobject, void (dest_type::*pmemfun)(arg1_type,
                   arg2_type, arg3_type, arg4_type, arg5_type))
      {
        m_pobject = pobject;
        m_pmemfun = pmemfun;
      }

      virtual _connection_base5<arg1_type, arg2_type, arg3_type, arg4_type,
      arg5_type, mt_policy>* clone()
      {
        return new _connection5<dest_type, arg1_type, arg2_type, arg3_type, arg4_type,
               arg5_type, mt_policy>(*this);
      }

      virtual _connection_base5<arg1_type, arg2_type, arg3_type, arg4_type,
      arg5_type, mt_policy>* duplicate(has_slots<mt_policy>* pnewdest)
      {
        return new _connection5<dest_type, arg1_type, arg2_type, arg3_type, arg4_type,
               arg5_type, mt_policy>((dest_type *)pnewdest, m_pmemfun);
      }

      virtual void emit(arg1_type a1, arg2_type a2, arg3_type a3, arg4_type a4,
                        arg5_type a5)
      {
        (m_pobject->*m_pmemfun)(a1, a2, a3, a4, a5);
      }

      virtual has_slots<mt_policy>* getdest() const
      {
        return m_pobject;
      }

    private:
      dest_type* m_pobject;
      void (dest_type::* m_pmemfun)(arg1_type, arg2_type, arg3_type, arg4_type,
                                    arg5_type);
  };

  template<class dest_type, class arg1_type, class arg2_type, class arg3_type,
  class arg4_type, class arg5_type, class arg6_type, class mt_policy>
  class _connection6 : public _connection_base6<arg1_type, arg2_type,
        arg3_type, arg4_type, arg5_type, arg6_type, mt_policy>
  {
    public:
      _connection6()
      {
        pobject = NULL;
        pmemfun = NULL;
      }

      _connection6(dest_type* pobject, void (dest_type::*pmemfun)(arg1_type,
                   arg2_type, arg3_type, arg4_type, arg5_type, arg6_type))
      {
        m_pobject = pobject;
        m_pmemfun = pmemfun;
      }

      virtual _connection_base6<arg1_type, arg2_type, arg3_type, arg4_type,
      arg5_type, arg6_type, mt_policy>* clone()
      {
        return new _connection6<dest_type, arg1_type, arg2_type, arg3_type, arg4_type,
               arg5_type, arg6_type, mt_policy>(*this);
      }

      virtual _connection_base6<arg1_type, arg2_type, arg3_type, arg4_type,
      arg5_type, arg6_type, mt_policy>* duplicate(has_slots<mt_policy>* pnewdest)
      {
        return new _connection6<dest_type, arg1_type, arg2_type, arg3_type, arg4_type,
               arg5_type, arg6_type, mt_policy>((dest_type *)pnewdest, m_pmemfun);
      }

      virtual void emit(arg1_type a1, arg2_type a2, arg3_type a3, arg4_type a4,
                        arg5_type a5, arg6_type a6)
      {
        (m_pobject->*m_pmemfun)(a1, a2, a3, a4, a5, a6);
      }

      virtual has_slots<mt_policy>* getdest() const
      {
        return m_pobject;
      }

    private:
      dest_type* m_pobject;
      void (dest_type::* m_pmemfun)(arg1_type, arg2_type, arg3_type, arg4_type,
                                    arg5_type, arg6_type);
  };

  template<class dest_type, class arg1_type, class arg2_type, class arg3_type,
  class arg4_type, class arg5_type, class arg6_type, class arg7_type, class mt_policy>
  class _connection7 : public _connection_base7<arg1_type, arg2_type,
        arg3_type, arg4_type, arg5_type, arg6_type, arg7_type, mt_policy>
  {
    public:
      _connection7()
      {
        pobject = NULL;
        pmemfun = NULL;
      }

      _connection7(dest_type* pobject, void (dest_type::*pmemfun)(arg1_type,
                   arg2_type, arg3_type, arg4_type, arg5_type, arg6_type, arg7_type))
      {
        m_pobject = pobject;
        m_pmemfun = pmemfun;
      }

      virtual _connection_base7<arg1_type, arg2_type, arg3_type, arg4_type,
      arg5_type, arg6_type, arg7_type, mt_policy>* clone()
      {
        return new _connection7<dest_type, arg1_type, arg2_type, arg3_type, arg4_type,
               arg5_type, arg6_type, arg7_type, mt_policy>(*this);
      }

      virtual _connection_base7<arg1_type, arg2_type, arg3_type, arg4_type,
      arg5_type, arg6_type, arg7_type, mt_policy>* duplicate(has_slots<mt_policy>* pnewdest)
      {
        return new _connection7<dest_type, arg1_type, arg2_type, arg3_type, arg4_type,
               arg5_type, arg6_type, arg7_type, mt_policy>((dest_type *)pnewdest, m_pmemfun);
      }

      virtual void emit(arg1_type a1, arg2_type a2, arg3_type a3, arg4_type a4,
                        arg5_type a5, arg6_type a6, arg7_type a7)
      {
        (m_pobject->*m_pmemfun)(a1, a2, a3, a4, a5, a6, a7);
      }

      virtual has_slots<mt_policy>* getdest() const
      {
        return m_pobject;
      }

    private:
      dest_type* m_pobject;
      void (dest_type::* m_pmemfun)(arg1_type, arg2_type, arg3_type, arg4_type,
                                    arg5_type, arg6_type, arg7_type);
  };

  template<class dest_type, class arg1_type, class arg2_type, class arg3_type,
  class arg4_type, class arg5_type, class arg6_type, class arg7_type,
  class arg8_type, class mt_policy>
  class _connection8 : public _connection_base8<arg1_type, arg2_type,
        arg3_type, arg4_type, arg5_type, arg6_type, arg7_type, arg8_type, mt_policy>
  {
    public:
      _connection8()
      {
        pobject = NULL;
        pmemfun = NULL;
      }

      _connection8(dest_type* pobject, void (dest_type::*pmemfun)(arg1_type,
                   arg2_type, arg3_type, arg4_type, arg5_type, arg6_type,
                   arg7_type, arg8_type))
      {
        m_pobject = pobject;
        m_pmemfun = pmemfun;
      }

      virtual _connection_base8<arg1_type, arg2_type, arg3_type, arg4_type,
      arg5_type, arg6_type, arg7_type, arg8_type, mt_policy>* clone()
      {
        return new _connection8<dest_type, arg1_type, arg2_type, arg3_type, arg4_type,
               arg5_type, arg6_type, arg7_type, arg8_type, mt_policy>(*this);
      }

      virtual _connection_base8<arg1_type, arg2_type, arg3_type, arg4_type,
      arg5_type, arg6_type, arg7_type, arg8_type, mt_policy>* duplicate(has_slots<mt_policy>* pnewdest)
      {
        return new _connection8<dest_type, arg1_type, arg2_type, arg3_type, arg4_type,
               arg5_type, arg6_type, arg7_type, arg8_type, mt_policy>((dest_type *)pnewdest, m_pmemfun);
      }

      virtual void emit(arg1_type a1, arg2_type a2, arg3_type a3, arg4_type a4,
                        arg5_type a5, arg6_type a6, arg7_type a7, arg8_type a8)
      {
        (m_pobject->*m_pmemfun)(a1, a2, a3, a4, a5, a6, a7, a8);
      }

      virtual has_slots<mt_policy>* getdest() const
      {
        return m_pobject;
      }

    private:
      dest_type* m_pobject;
      void (dest_type::* m_pmemfun)(arg1_type, arg2_type, arg3_type, arg4_type,
                                    arg5_type, arg6_type, arg7_type, arg8_type);
  };

  template<class mt_policy = SIGSLOT_DEFAULT_MT_POLICY>
  class signal0 : public _signal_base0<mt_policy>
  {
    public:
      signal0()
      {
        ;
      }

      signal0(const signal0<mt_policy>& s)
          : _signal_base0<mt_policy>(s)
      {
        ;
      }

      template<class desttype>
      void connect(desttype* pclass, void (desttype::*pmemfun)())
      {
        lock_block<mt_policy> lock(this);
        _connection0<desttype, mt_policy>* conn =
          new _connection0<desttype, mt_policy>(pclass, pmemfun);
        m_connected_slots.push_back(conn);
        pclass->signal_connect(this);
      }

      void emit()
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::const_iterator itNext, it = m_connected_slots.begin();
        typename connections_list::const_iterator itEnd = m_connected_slots.end();

        while(it != itEnd)
        {
          itNext = it;
          ++itNext;

          (*it)->emit();

          it = itNext;
        }
      }

      void operator()()
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::const_iterator itNext, it = m_connected_slots.begin();
        typename connections_list::const_iterator itEnd = m_connected_slots.end();

        while(it != itEnd)
        {
          itNext = it;
          ++itNext;

          (*it)->emit();

          it = itNext;
        }
      }
  };

  template<class arg1_type, class mt_policy = SIGSLOT_DEFAULT_MT_POLICY>
  class signal1 : public _signal_base1<arg1_type, mt_policy>
  {
    public:
      signal1()
      {
        ;
      }

      signal1(const signal1<arg1_type, mt_policy>& s)
          : _signal_base1<arg1_type, mt_policy>(s)
      {
        ;
      }

      template<class desttype>
      void connect(desttype* pclass, void (desttype::*pmemfun)(arg1_type))
      {
        lock_block<mt_policy> lock(this);
        _connection1<desttype, arg1_type, mt_policy>* conn =
          new _connection1<desttype, arg1_type, mt_policy>(pclass, pmemfun);
        m_connected_slots.push_back(conn);
        pclass->signal_connect(this);
      }

      void emit(arg1_type a1)
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::const_iterator itNext, it = m_connected_slots.begin();
        typename connections_list::const_iterator itEnd = m_connected_slots.end();

        while(it != itEnd)
        {
          itNext = it;
          ++itNext;

          (*it)->emit(a1);

          it = itNext;
        }
      }

      void operator()(arg1_type a1)
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::const_iterator itNext, it = m_connected_slots.begin();
        typename connections_list::const_iterator itEnd = m_connected_slots.end();

        while(it != itEnd)
        {
          itNext = it;
          ++itNext;

          (*it)->emit(a1);

          it = itNext;
        }
      }
  };

  template<class arg1_type, class arg2_type, class mt_policy = SIGSLOT_DEFAULT_MT_POLICY>
  class signal2 : public _signal_base2<arg1_type, arg2_type, mt_policy>
  {
    public:
      signal2()
      {
        ;
      }

      signal2(const signal2<arg1_type, arg2_type, mt_policy>& s)
          : _signal_base2<arg1_type, arg2_type, mt_policy>(s)
      {
        ;
      }

      template<class desttype>
      void connect(desttype* pclass, void (desttype::*pmemfun)(arg1_type,
                   arg2_type))
      {
        lock_block<mt_policy> lock(this);
        _connection2<desttype, arg1_type, arg2_type, mt_policy>* conn = new
            _connection2<desttype, arg1_type, arg2_type, mt_policy>(pclass, pmemfun);
        m_connected_slots.push_back(conn);
        pclass->signal_connect(this);
      }

      void emit(arg1_type a1, arg2_type a2)
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::const_iterator itNext, it = m_connected_slots.begin();
        typename connections_list::const_iterator itEnd = m_connected_slots.end();

        while(it != itEnd)
        {
          itNext = it;
          ++itNext;

          (*it)->emit(a1, a2);

          it = itNext;
        }
      }

      void operator()(arg1_type a1, arg2_type a2)
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::const_iterator itNext, it = m_connected_slots.begin();
        typename connections_list::const_iterator itEnd = m_connected_slots.end();

        while(it != itEnd)
        {
          itNext = it;
          ++itNext;

          (*it)->emit(a1, a2);

          it = itNext;
        }
      }
  };

  template<class arg1_type, class arg2_type, class arg3_type, class mt_policy = SIGSLOT_DEFAULT_MT_POLICY>
  class signal3 : public _signal_base3<arg1_type, arg2_type, arg3_type, mt_policy>
  {
    public:
      signal3()
      {
        ;
      }

      signal3(const signal3<arg1_type, arg2_type, arg3_type, mt_policy>& s)
          : _signal_base3<arg1_type, arg2_type, arg3_type, mt_policy>(s)
      {
        ;
      }

      template<class desttype>
      void connect(desttype* pclass, void (desttype::*pmemfun)(arg1_type,
                   arg2_type, arg3_type))
      {
        lock_block<mt_policy> lock(this);
        _connection3<desttype, arg1_type, arg2_type, arg3_type, mt_policy>* conn =
          new _connection3<desttype, arg1_type, arg2_type, arg3_type, mt_policy>(pclass,
              pmemfun);
        m_connected_slots.push_back(conn);
        pclass->signal_connect(this);
      }

      void emit(arg1_type a1, arg2_type a2, arg3_type a3)
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::const_iterator itNext, it = m_connected_slots.begin();
        typename connections_list::const_iterator itEnd = m_connected_slots.end();

        while(it != itEnd)
        {
          itNext = it;
          ++itNext;

          (*it)->emit(a1, a2, a3);

          it = itNext;
        }
      }

      void operator()(arg1_type a1, arg2_type a2, arg3_type a3)
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::const_iterator itNext, it = m_connected_slots.begin();
        typename connections_list::const_iterator itEnd = m_connected_slots.end();

        while(it != itEnd)
        {
          itNext = it;
          ++itNext;

          (*it)->emit(a1, a2, a3);

          it = itNext;
        }
      }
  };

  template<class arg1_type, class arg2_type, class arg3_type, class arg4_type, class mt_policy = SIGSLOT_DEFAULT_MT_POLICY>
  class signal4 : public _signal_base4<arg1_type, arg2_type, arg3_type,
        arg4_type, mt_policy>
  {
    public:
      signal4()
      {
        ;
      }

      signal4(const signal4<arg1_type, arg2_type, arg3_type, arg4_type, mt_policy>& s)
          : _signal_base4<arg1_type, arg2_type, arg3_type, arg4_type, mt_policy>(s)
      {
        ;
      }

      template<class desttype>
      void connect(desttype* pclass, void (desttype::*pmemfun)(arg1_type,
                   arg2_type, arg3_type, arg4_type))
      {
        lock_block<mt_policy> lock(this);
        _connection4<desttype, arg1_type, arg2_type, arg3_type, arg4_type, mt_policy>*
        conn = new _connection4<desttype, arg1_type, arg2_type, arg3_type,
               arg4_type, mt_policy>(pclass, pmemfun);
        m_connected_slots.push_back(conn);
        pclass->signal_connect(this);
      }

      void emit(arg1_type a1, arg2_type a2, arg3_type a3, arg4_type a4)
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::const_iterator itNext, it = m_connected_slots.begin();
        typename connections_list::const_iterator itEnd = m_connected_slots.end();

        while(it != itEnd)
        {
          itNext = it;
          ++itNext;

          (*it)->emit(a1, a2, a3, a4);

          it = itNext;
        }
      }

      void operator()(arg1_type a1, arg2_type a2, arg3_type a3, arg4_type a4)
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::const_iterator itNext, it = m_connected_slots.begin();
        typename connections_list::const_iterator itEnd = m_connected_slots.end();

        while(it != itEnd)
        {
          itNext = it;
          ++itNext;

          (*it)->emit(a1, a2, a3, a4);

          it = itNext;
        }
      }
  };

  template<class arg1_type, class arg2_type, class arg3_type, class arg4_type,
  class arg5_type, class mt_policy = SIGSLOT_DEFAULT_MT_POLICY>
  class signal5 : public _signal_base5<arg1_type, arg2_type, arg3_type,
        arg4_type, arg5_type, mt_policy>
  {
    public:
      signal5()
      {
        ;
      }

      signal5(const signal5<arg1_type, arg2_type, arg3_type, arg4_type,
              arg5_type, mt_policy>& s)
          : _signal_base5<arg1_type, arg2_type, arg3_type, arg4_type,
          arg5_type, mt_policy>(s)
      {
        ;
      }

      template<class desttype>
      void connect(desttype* pclass, void (desttype::*pmemfun)(arg1_type,
                   arg2_type, arg3_type, arg4_type, arg5_type))
      {
        lock_block<mt_policy> lock(this);
        _connection5<desttype, arg1_type, arg2_type, arg3_type, arg4_type,
        arg5_type, mt_policy>* conn = new _connection5<desttype, arg1_type, arg2_type,
                                      arg3_type, arg4_type, arg5_type, mt_policy>(pclass, pmemfun);
        m_connected_slots.push_back(conn);
        pclass->signal_connect(this);
      }

      void emit(arg1_type a1, arg2_type a2, arg3_type a3, arg4_type a4,
                arg5_type a5)
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::const_iterator itNext, it = m_connected_slots.begin();
        typename connections_list::const_iterator itEnd = m_connected_slots.end();

        while(it != itEnd)
        {
          itNext = it;
          ++itNext;

          (*it)->emit(a1, a2, a3, a4, a5);

          it = itNext;
        }
      }

      void operator()(arg1_type a1, arg2_type a2, arg3_type a3, arg4_type a4,
                      arg5_type a5)
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::const_iterator itNext, it = m_connected_slots.begin();
        typename connections_list::const_iterator itEnd = m_connected_slots.end();

        while(it != itEnd)
        {
          itNext = it;
          ++itNext;

          (*it)->emit(a1, a2, a3, a4, a5);

          it = itNext;
        }
      }
  };


  template<class arg1_type, class arg2_type, class arg3_type, class arg4_type,
  class arg5_type, class arg6_type, class mt_policy = SIGSLOT_DEFAULT_MT_POLICY>
  class signal6 : public _signal_base6<arg1_type, arg2_type, arg3_type,
        arg4_type, arg5_type, arg6_type, mt_policy>
  {
    public:
      signal6()
      {
        ;
      }

      signal6(const signal6<arg1_type, arg2_type, arg3_type, arg4_type,
              arg5_type, arg6_type, mt_policy>& s)
          : _signal_base6<arg1_type, arg2_type, arg3_type, arg4_type,
          arg5_type, arg6_type, mt_policy>(s)
      {
        ;
      }

      template<class desttype>
      void connect(desttype* pclass, void (desttype::*pmemfun)(arg1_type,
                   arg2_type, arg3_type, arg4_type, arg5_type, arg6_type))
      {
        lock_block<mt_policy> lock(this);
        _connection6<desttype, arg1_type, arg2_type, arg3_type, arg4_type,
        arg5_type, arg6_type, mt_policy>* conn =
          new _connection6<desttype, arg1_type, arg2_type, arg3_type,
          arg4_type, arg5_type, arg6_type, mt_policy>(pclass, pmemfun);
        m_connected_slots.push_back(conn);
        pclass->signal_connect(this);
      }

      void emit(arg1_type a1, arg2_type a2, arg3_type a3, arg4_type a4,
                arg5_type a5, arg6_type a6)
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::const_iterator itNext, it = m_connected_slots.begin();
        typename connections_list::const_iterator itEnd = m_connected_slots.end();

        while(it != itEnd)
        {
          itNext = it;
          ++itNext;

          (*it)->emit(a1, a2, a3, a4, a5, a6);

          it = itNext;
        }
      }

      void operator()(arg1_type a1, arg2_type a2, arg3_type a3, arg4_type a4,
                      arg5_type a5, arg6_type a6)
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::const_iterator itNext, it = m_connected_slots.begin();
        typename connections_list::const_iterator itEnd = m_connected_slots.end();

        while(it != itEnd)
        {
          itNext = it;
          ++itNext;

          (*it)->emit(a1, a2, a3, a4, a5, a6);

          it = itNext;
        }
      }
  };

  template<class arg1_type, class arg2_type, class arg3_type, class arg4_type,
  class arg5_type, class arg6_type, class arg7_type, class mt_policy = SIGSLOT_DEFAULT_MT_POLICY>
  class signal7 : public _signal_base7<arg1_type, arg2_type, arg3_type,
        arg4_type, arg5_type, arg6_type, arg7_type, mt_policy>
  {
    public:
      signal7()
      {
        ;
      }

      signal7(const signal7<arg1_type, arg2_type, arg3_type, arg4_type,
              arg5_type, arg6_type, arg7_type, mt_policy>& s)
          : _signal_base7<arg1_type, arg2_type, arg3_type, arg4_type,
          arg5_type, arg6_type, arg7_type, mt_policy>(s)
      {
        ;
      }

      template<class desttype>
      void connect(desttype* pclass, void (desttype::*pmemfun)(arg1_type,
                   arg2_type, arg3_type, arg4_type, arg5_type, arg6_type,
                   arg7_type))
      {
        lock_block<mt_policy> lock(this);
        _connection7<desttype, arg1_type, arg2_type, arg3_type, arg4_type,
        arg5_type, arg6_type, arg7_type, mt_policy>* conn =
          new _connection7<desttype, arg1_type, arg2_type, arg3_type,
          arg4_type, arg5_type, arg6_type, arg7_type, mt_policy>(pclass, pmemfun);
        m_connected_slots.push_back(conn);
        pclass->signal_connect(this);
      }

      void emit(arg1_type a1, arg2_type a2, arg3_type a3, arg4_type a4,
                arg5_type a5, arg6_type a6, arg7_type a7)
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::const_iterator itNext, it = m_connected_slots.begin();
        typename connections_list::const_iterator itEnd = m_connected_slots.end();

        while(it != itEnd)
        {
          itNext = it;
          ++itNext;

          (*it)->emit(a1, a2, a3, a4, a5, a6, a7);

          it = itNext;
        }
      }

      void operator()(arg1_type a1, arg2_type a2, arg3_type a3, arg4_type a4,
                      arg5_type a5, arg6_type a6, arg7_type a7)
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::const_iterator itNext, it = m_connected_slots.begin();
        typename connections_list::const_iterator itEnd = m_connected_slots.end();

        while(it != itEnd)
        {
          itNext = it;
          ++itNext;

          (*it)->emit(a1, a2, a3, a4, a5, a6, a7);

          it = itNext;
        }
      }
  };

  template<class arg1_type, class arg2_type, class arg3_type, class arg4_type,
  class arg5_type, class arg6_type, class arg7_type, class arg8_type, class mt_policy = SIGSLOT_DEFAULT_MT_POLICY>
  class signal8 : public _signal_base8<arg1_type, arg2_type, arg3_type,
        arg4_type, arg5_type, arg6_type, arg7_type, arg8_type, mt_policy>
  {
    public:
      signal8()
      {
        ;
      }

      signal8(const signal8<arg1_type, arg2_type, arg3_type, arg4_type,
              arg5_type, arg6_type, arg7_type, arg8_type, mt_policy>& s)
          : _signal_base8<arg1_type, arg2_type, arg3_type, arg4_type,
          arg5_type, arg6_type, arg7_type, arg8_type, mt_policy>(s)
      {
        ;
      }

      template<class desttype>
      void connect(desttype* pclass, void (desttype::*pmemfun)(arg1_type,
                   arg2_type, arg3_type, arg4_type, arg5_type, arg6_type,
                   arg7_type, arg8_type))
      {
        lock_block<mt_policy> lock(this);
        _connection8<desttype, arg1_type, arg2_type, arg3_type, arg4_type,
        arg5_type, arg6_type, arg7_type, arg8_type, mt_policy>* conn =
          new _connection8<desttype, arg1_type, arg2_type, arg3_type,
          arg4_type, arg5_type, arg6_type, arg7_type,
          arg8_type, mt_policy>(pclass, pmemfun);
        m_connected_slots.push_back(conn);
        pclass->signal_connect(this);
      }

      void emit(arg1_type a1, arg2_type a2, arg3_type a3, arg4_type a4,
                arg5_type a5, arg6_type a6, arg7_type a7, arg8_type a8)
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::const_iterator itNext, it = m_connected_slots.begin();
        typename connections_list::const_iterator itEnd = m_connected_slots.end();

        while(it != itEnd)
        {
          itNext = it;
          ++itNext;

          (*it)->emit(a1, a2, a3, a4, a5, a6, a7, a8);

          it = itNext;
        }
      }

      void operator()(arg1_type a1, arg2_type a2, arg3_type a3, arg4_type a4,
                      arg5_type a5, arg6_type a6, arg7_type a7, arg8_type a8)
      {
        lock_block<mt_policy> lock(this);
        typename connections_list::const_iterator itNext, it = m_connected_slots.begin();
        typename connections_list::const_iterator itEnd = m_connected_slots.end();

        while(it != itEnd)
        {
          itNext = it;
          ++itNext;

          (*it)->emit(a1, a2, a3, a4, a5, a6, a7, a8);

          it = itNext;
        }
      }
  };

}
; // namespace sigslot

#endif // SIGSLOT_H__