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 // 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()
         {
             ;
         }
         
         void lock()
         {
             ;
         }
         
         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()
         {
             ;
         }
         
         void lock()
         {
             EnterCriticalSection(get_critsec());
         }
         
         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);
         }
         
         void lock()
         {
             EnterCriticalSection(&m_critsec);
         }
         
         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()
         {
             ;
         }
         
         void lock()
         {
             pthread_mutex_lock(get_mutex());
         }
         
         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);
         }
         
         void lock()
         {
             pthread_mutex_lock(&m_mutex);
         }
         
         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 ~_connection_base0() { }
         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 ~_connection_base1() { }
         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 ~_connection_base2() { }
         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 ~_connection_base3() { }
         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 ~_connection_base4() { }
         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 ~_connection_base5() { }
         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 ~_connection_base6() { }
         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 ~_connection_base7() { }
         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 ~_connection_base8() { }
         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 typename 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 typename std::list<_connection_base0<mt_policy> *>  connections_list;
         typedef typename connections_list::const_iterator const_iterator;
         typedef typename connections_list::iterator iterator;
         
         _signal_base0()
         {
             ;
         }
         
         _signal_base0(const _signal_base0& s)
         : _signal_base<mt_policy>(s)
         {
             lock_block<mt_policy> lock(this);
             const_iterator  it = s.m_connected_slots.begin();
             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);
             const_iterator it  = m_connected_slots.begin();
             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);
             iterator it = m_connected_slots.begin();
             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);
             iterator it = m_connected_slots.begin();
             iterator itEnd = m_connected_slots.end();
             
             while(it != itEnd)
             {
                 iterator itNext = it;
                 ++itNext;
                 
                 if((*it)->getdest() == pslot)
                 {
                     delete *it;
                     m_connected_slots.erase(it);
                 }
                 
                 it = itNext;
             }
         }
         
         void slot_duplicate(const has_slots<mt_policy>* oldtarget, has_slots<mt_policy>* newtarget)
         {
             lock_block<mt_policy> lock(this);
             iterator it = m_connected_slots.begin();
             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 typename std::list<_connection_base1<arg1_type, mt_policy> *>  connections_list;
         typedef typename connections_list::const_iterator const_iterator;
         typedef typename connections_list::iterator iterator;
         
         _signal_base1()
         {
             ;
         }
         
         _signal_base1(const _signal_base1<arg1_type, mt_policy>& s)
         : _signal_base<mt_policy>(s)
         {
             lock_block<mt_policy> lock(this);
             const_iterator it = s.m_connected_slots.begin();
             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);
             iterator it = m_connected_slots.begin();
             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);
             const_iterator it = m_connected_slots.begin();
             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);
             iterator it = m_connected_slots.begin();
             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);
             iterator it = m_connected_slots.begin();
             iterator itEnd = m_connected_slots.end();
             
             while(it != itEnd)
             {
                 iterator itNext = it;
                 ++itNext;
                 
                 if((*it)->getdest() == pslot)
                 {
                     delete *it;
                     m_connected_slots.erase(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 typename std::list<_connection_base2<arg1_type, arg2_type, mt_policy> *>
         connections_list;
         typedef typename connections_list::const_iterator const_iterator;
         typedef typename connections_list::iterator iterator;
         
         _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);
             const_iterator it = s.m_connected_slots.begin();
             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);
             iterator it = m_connected_slots.begin();
             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);
             const_iterator it = m_connected_slots.begin();
             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);
             iterator it = m_connected_slots.begin();
             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);
             iterator it = m_connected_slots.begin();
             iterator itEnd = m_connected_slots.end();
             
             while(it != itEnd)
             {
                 iterator itNext = it;
                 ++itNext;
                 
                 if((*it)->getdest() == pslot)
                 {
                     delete *it;
                     m_connected_slots.erase(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;
         
         typedef typename connections_list::const_iterator const_iterator;
         typedef typename connections_list::iterator iterator;
         _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);
             const_iterator it = s.m_connected_slots.begin();
             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);
             iterator it = m_connected_slots.begin();
             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);
             const_iterator it = m_connected_slots.begin();
             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);
             iterator it = m_connected_slots.begin();
             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);
             iterator it = m_connected_slots.begin();
             iterator itEnd = m_connected_slots.end();
             
             while(it != itEnd)
             {
                 iterator itNext = it;
                 ++itNext;
                 
                 if((*it)->getdest() == pslot)
                 {
                     delete *it;
                     m_connected_slots.erase(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;
         typedef typename connections_list::const_iterator const_iterator;
         typedef typename connections_list::iterator iterator;
         
         _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);
             const_iterator it = s.m_connected_slots.begin();
             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);
             iterator it = m_connected_slots.begin();
             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);
             const_iterator it = m_connected_slots.begin();
             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);
             iterator it = m_connected_slots.begin();
             iterator itEnd = m_connected_slots.end();
             
             while(it != itEnd)
             {
                 if((*it)->getdest() == pclass)
                 {
                     delete *it;
                     this->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);
             iterator it = m_connected_slots.begin();
             iterator itEnd = m_connected_slots.end();
             
             while(it != itEnd)
             {
                 iterator itNext = it;
                 ++itNext;
                 
                 if((*it)->getdest() == pslot)
                 {
                     delete *it;
                     m_connected_slots.erase(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;
         typedef typename connections_list::const_iterator const_iterator;
         typedef typename connections_list::iterator iterator;
         
         _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);
             const_iterator it = s.m_connected_slots.begin();
             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);
             iterator it = m_connected_slots.begin();
             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);
             const_iterator it = m_connected_slots.begin();
             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);
             iterator it = m_connected_slots.begin();
             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);
             iterator it = m_connected_slots.begin();
             iterator itEnd = m_connected_slots.end();
             
             while(it != itEnd)
             {
                 iterator itNext = it;
                 ++itNext;
                 
                 if((*it)->getdest() == pslot)
                 {
                     delete *it;
                     m_connected_slots.erase(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;
         typedef typename connections_list::const_iterator const_iterator;
         typedef typename connections_list::iterator iterator;
         
         _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);
             const_iterator it = s.m_connected_slots.begin();
             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);
             iterator it = m_connected_slots.begin();
             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);
             const_iterator it = m_connected_slots.begin();
             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);
             iterator it = m_connected_slots.begin();
             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);
             iterator it = m_connected_slots.begin();
             iterator itEnd = m_connected_slots.end();
             
             while(it != itEnd)
             {
                 iterator itNext = it;
                 ++itNext;
                 
                 if((*it)->getdest() == pslot)
                 {
                     delete *it;
                     m_connected_slots.erase(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;
         typedef typename connections_list::const_iterator const_iterator;
         typedef typename connections_list::iterator iterator;
         
         _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);
             const_iterator it = s.m_connected_slots.begin();
             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);
             iterator it = m_connected_slots.begin();
             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);
             const_iterator it = m_connected_slots.begin();
             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);
             iterator it = m_connected_slots.begin();
             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);
             iterator it = m_connected_slots.begin();
             iterator itEnd = m_connected_slots.end();
             
             while(it != itEnd)
             {
                 iterator itNext = it;
                 ++itNext;
                 
                 if((*it)->getdest() == pslot)
                 {
                     delete *it;
                     m_connected_slots.erase(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;
         typedef typename connections_list::const_iterator const_iterator;
         typedef typename connections_list::iterator iterator;
         
         _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);
             const_iterator it = s.m_connected_slots.begin();
             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);
             iterator it = m_connected_slots.begin();
             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);
             const_iterator it = m_connected_slots.begin();
             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);
             iterator it = m_connected_slots.begin();
             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);
             iterator it = m_connected_slots.begin();
             iterator itEnd = m_connected_slots.end();
             
             while(it != itEnd)
             {
                 iterator itNext = it;
                 ++itNext;
                 
                 if((*it)->getdest() == pslot)
                 {
                     delete *it;
                     m_connected_slots.erase(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()
         {
             this->pobject = NULL;
             this->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()
         {
             this->pobject = NULL;
             this->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()
         {
             this->pobject = NULL;
             this->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()
         {
             this->pobject = NULL;
             this->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()
         {
             this->pobject = NULL;
             this->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()
         {
             this->pobject = NULL;
             this->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()
         {
             this->pobject = NULL;
             this->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()
         {
             this->pobject = NULL;
             this->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()
         {
             this->pobject = NULL;
             this->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:
         typedef typename _signal_base0<mt_policy>::connections_list::const_iterator const_iterator;
         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);
             this->m_connected_slots.push_back(conn);
             pclass->signal_connect(this);
         }
         
         void emit()
         {
             lock_block<mt_policy> lock(this);
             const_iterator itNext, it = this->m_connected_slots.begin();
             const_iterator itEnd = this->m_connected_slots.end();
             
             while(it != itEnd)
             {
                 itNext = it;
                 ++itNext;
                 
                 (*it)->emit();
                 
                 it = itNext;
             }
         }
         
         void operator()()
         {
             lock_block<mt_policy> lock(this);
             const_iterator itNext, it = this->m_connected_slots.begin();
             const_iterator itEnd = this->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:
         typedef typename _signal_base1<arg1_type, mt_policy>::connections_list::const_iterator const_iterator;
         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);
             this->m_connected_slots.push_back(conn);
             pclass->signal_connect(this);
         }
         
         void emit(arg1_type a1)
         {
             lock_block<mt_policy> lock(this);
             const_iterator itNext, it = this->m_connected_slots.begin();
             const_iterator itEnd = this->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);
             const_iterator itNext, it = this->m_connected_slots.begin();
             const_iterator itEnd = this->m_connected_slots.end();
             
             while(it != itEnd)
             {
                 itNext = it;
                 ++itNext;
                 
                 (*it)->emit(a1);
                 
                 it = itNext;
             }
         }
     };
     
     template<class arg1_type, typename arg2_type, typename mt_policy = SIGSLOT_DEFAULT_MT_POLICY>
     class signal2 : public _signal_base2<arg1_type, arg2_type, mt_policy>
     {
     public:
         typedef typename _signal_base2<arg1_type, arg2_type, mt_policy>::connections_list::const_iterator const_iterator;
         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);
             this->m_connected_slots.push_back(conn);
             pclass->signal_connect(this);
         }
         
         void emit(arg1_type a1, arg2_type a2)
         {
             lock_block<mt_policy> lock(this);
             const_iterator itNext, it = this->m_connected_slots.begin();
             const_iterator itEnd = this->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);
             const_iterator itNext, it = this->m_connected_slots.begin();
             const_iterator itEnd = this->m_connected_slots.end();
             
             while(it != itEnd)
             {
                 itNext = it;
                 ++itNext;
                 
                 (*it)->emit(a1, a2);
                 
                 it = itNext;
             }
         }
     };
     
     template<class arg1_type, typename arg2_type, typename arg3_type, typename mt_policy = SIGSLOT_DEFAULT_MT_POLICY>
     class signal3 : public _signal_base3<arg1_type, arg2_type, arg3_type, mt_policy>
     {
     public:
         typedef typename _signal_base3<arg1_type, arg2_type, arg3_type, mt_policy>::connections_list::const_iterator const_iterator;
         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);
             this->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);
             const_iterator itNext, it = this->m_connected_slots.begin();
             const_iterator itEnd = this->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);
             const_iterator itNext, it = this->m_connected_slots.begin();
             const_iterator itEnd = this->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:
         typedef typename _signal_base4<arg1_type, arg2_type, arg3_type, arg4_type, mt_policy>::connections_list::const_iterator const_iterator;
         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);
             this->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);
             const_iterator itNext, it = this->m_connected_slots.begin();
             const_iterator itEnd = this->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);
             const_iterator itNext, it = this->m_connected_slots.begin();
             const_iterator itEnd = this->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:
         typedef typename _signal_base5<arg1_type, arg2_type, arg3_type, arg4_type, arg5_type, mt_policy>::connections_list::const_iterator const_iterator;
         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);
             this->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);
             const_iterator itNext, it = this->m_connected_slots.begin();
             const_iterator itEnd = this->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);
             const_iterator itNext, it = this->m_connected_slots.begin();
             const_iterator itEnd = this->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:
         typedef typename _signal_base6<arg1_type, arg2_type, arg3_type,
         arg4_type, arg5_type, arg6_type, mt_policy>::connections_list::const_iterator const_iterator;
         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);
             this->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);
             const_iterator itNext, it = this->m_connected_slots.begin();
             const_iterator itEnd = this->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);
             const_iterator itNext, it = this->m_connected_slots.begin();
             const_iterator itEnd = this->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:
         typedef typename _signal_base7<arg1_type, arg2_type, arg3_type,
         arg4_type, arg5_type, arg6_type, arg7_type, mt_policy>::connections_list::const_iterator const_iterator;
         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);
             this->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);
             const_iterator itNext, it = this->m_connected_slots.begin();
             const_iterator itEnd = this->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);
             const_iterator itNext, it = this->m_connected_slots.begin();
             const_iterator itEnd = this->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:
         typedef typename _signal_base8<arg1_type, arg2_type, arg3_type,
         arg4_type, arg5_type, arg6_type, arg7_type, arg8_type, mt_policy>::connections_list::const_iterator const_iterator;
         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);
             this->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);
             const_iterator itNext, it = this->m_connected_slots.begin();
             const_iterator itEnd = this->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);
             const_iterator itNext, it = this->m_connected_slots.begin();
             const_iterator itEnd = this->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__

 

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