From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <mattatobin@localhost.localdomain>
Date: Fri, 2 Feb 2018 04:16:08 -0500
Subject: Add m-esr52 at 52.6.0

---
 media/mtransport/sigslot.h | 2859 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 2859 insertions(+)
 create mode 100644 media/mtransport/sigslot.h

(limited to 'media/mtransport/sigslot.h')

diff --git a/media/mtransport/sigslot.h b/media/mtransport/sigslot.h
new file mode 100644
index 000000000..91cd76f25
--- /dev/null
+++ b/media/mtransport/sigslot.h
@@ -0,0 +1,2859 @@
+// 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/
+//
+//
+// Libjingle specific:
+// This file has been modified such that has_slots and signalx do not have to be
+// using the same threading requirements. E.g. it is possible to connect a
+// has_slots<single_threaded> and signal0<multi_threaded_local> or
+// has_slots<multi_threaded_local> and signal0<single_threaded>.
+// If has_slots is single threaded the user must ensure that it is not trying
+// to connect or disconnect to signalx concurrently or data race may occur.
+// If signalx is single threaded the user must ensure that disconnect, connect
+// or signal is not happening concurrently or data race may occur.
+
+#ifndef TALK_BASE_SIGSLOT_H__
+#define TALK_BASE_SIGSLOT_H__
+
+#include <list>
+#include <set>
+#include <stdlib.h>
+
+// On our copy of sigslot.h, we set single threading as default.
+#define SIGSLOT_DEFAULT_MT_POLICY single_threaded
+
+// For now, this avoids windows.h in bindings (PeerConnectionImpl.h) on WIN32
+// TODO: wrap win32 crit section and move to another file instead (Bug 932570)
+#define SIGSLOT_LEAVE_OUT_MULTITHREADING 1
+
+#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
+#	ifndef SIGSLOT_LEAVE_OUT_MULTITHREADING
+#		if !defined(WIN32_LEAN_AND_MEAN)
+#			define WIN32_LEAN_AND_MEAN
+#		endif
+#		include "windows.h"
+#	endif
+#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
+
+// TODO: change this namespace to talk_base?
+namespace sigslot {
+
+	class single_threaded
+	{
+	public:
+		single_threaded()
+		{
+			;
+		}
+
+		virtual ~single_threaded()
+		{
+			;
+		}
+
+		virtual void lock()
+		{
+			;
+		}
+
+		virtual void unlock()
+		{
+			;
+		}
+	};
+
+#ifndef SIGSLOT_LEAVE_OUT_MULTITHREADING
+# 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
+#endif  // SIGSLOT_LEAVE_OUT_MULTITHREADING
+
+	template<class mt_policy>
+	class lock_block
+	{
+	public:
+		mt_policy *m_mutex;
+
+		explicit lock_block(mt_policy *mtx)
+			: m_mutex(mtx)
+		{
+			m_mutex->lock();
+		}
+
+		~lock_block()
+		{
+			m_mutex->unlock();
+		}
+	};
+
+	class has_slots_interface;
+
+	template<class mt_policy>
+	class _connection_base0
+	{
+	public:
+		virtual ~_connection_base0() {}
+		virtual has_slots_interface* getdest() const = 0;
+		virtual void emit() = 0;
+		virtual _connection_base0* clone() = 0;
+		virtual _connection_base0* duplicate(has_slots_interface* pnewdest) = 0;
+	};
+
+	template<class arg1_type, class mt_policy>
+	class _connection_base1
+	{
+	public:
+		virtual ~_connection_base1() {}
+		virtual has_slots_interface* 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_interface* pnewdest) = 0;
+	};
+
+	template<class arg1_type, class arg2_type, class mt_policy>
+	class _connection_base2
+	{
+	public:
+		virtual ~_connection_base2() {}
+		virtual has_slots_interface* 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_interface* 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_interface* 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_interface* 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_interface* 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_interface* 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_interface* 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_interface* 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_interface* 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_interface* 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_interface* 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_interface* 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_interface* 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_interface* pnewdest) = 0;
+	};
+
+	class _signal_base_interface
+	{
+	public:
+		virtual void slot_disconnect(has_slots_interface* pslot) = 0;
+		virtual void slot_duplicate(const has_slots_interface* poldslot, has_slots_interface* pnewslot) = 0;
+	};
+
+	template<class mt_policy>
+	class _signal_base : public _signal_base_interface, public mt_policy
+	{
+	};
+
+	class has_slots_interface
+	{
+	public:
+		has_slots_interface()
+		{
+			;
+		}
+
+		virtual void signal_connect(_signal_base_interface* sender) = 0;
+
+		virtual void signal_disconnect(_signal_base_interface* sender) = 0;
+
+		virtual ~has_slots_interface()
+		{
+		}
+
+		virtual void disconnect_all() = 0;
+	};
+
+	template<class mt_policy = SIGSLOT_DEFAULT_MT_POLICY>
+	class has_slots : public has_slots_interface, public mt_policy
+	{
+	private:
+		typedef std::set<_signal_base_interface*> sender_set;
+		typedef sender_set::const_iterator const_iterator;
+
+	public:
+		has_slots()
+		{
+			;
+		}
+
+		has_slots(const has_slots& 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_interface* sender)
+		{
+			lock_block<mt_policy> lock(this);
+			m_senders.insert(sender);
+		}
+
+		void signal_disconnect(_signal_base_interface* 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();
+		}
+
+		bool is_empty()
+		{
+			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();
+			return it == itEnd;
+		}
+
+		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());
+		}
+
+#ifdef _DEBUG
+			bool connected(has_slots_interface* pclass)
+		{
+			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;
+				if ((*it)->getdest() == pclass)
+					return true;
+				it = itNext;
+			}
+			return false;
+		}
+#endif
+
+		void disconnect(has_slots_interface* 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_interface* 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)
+				{
+					delete *it;
+					m_connected_slots.erase(it);
+				}
+
+				it = itNext;
+			}
+		}
+
+		void slot_duplicate(const has_slots_interface* oldtarget, has_slots_interface* 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_interface* oldtarget, has_slots_interface* 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();
+		}
+
+		bool is_empty()
+		{
+			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();
+			return it == itEnd;
+		}
+
+		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());
+		}
+
+#ifdef _DEBUG
+			bool connected(has_slots_interface* pclass)
+		{
+			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;
+				if ((*it)->getdest() == pclass)
+					return true;
+				it = itNext;
+			}
+			return false;
+		}
+#endif
+
+		void disconnect(has_slots_interface* 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_interface* 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)
+				{
+					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 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_interface* oldtarget, has_slots_interface* 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();
+		}
+
+		bool is_empty()
+		{
+			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();
+			return it == itEnd;
+		}
+
+		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());
+		}
+
+#ifdef _DEBUG
+			bool connected(has_slots_interface* pclass)
+		{
+			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;
+				if ((*it)->getdest() == pclass)
+					return true;
+				it = itNext;
+			}
+			return false;
+		}
+#endif
+
+		void disconnect(has_slots_interface* 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_interface* 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)
+				{
+					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;
+
+		_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_interface* oldtarget, has_slots_interface* 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();
+		}
+
+		bool is_empty()
+		{
+			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();
+			return it == itEnd;
+		}
+
+		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());
+		}
+
+#ifdef _DEBUG
+			bool connected(has_slots_interface* pclass)
+		{
+			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;
+				if ((*it)->getdest() == pclass)
+					return true;
+				it = itNext;
+			}
+			return false;
+		}
+#endif
+
+		void disconnect(has_slots_interface* 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_interface* 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)
+				{
+					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;
+
+		_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_interface* oldtarget, has_slots_interface* 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();
+		}
+
+		bool is_empty()
+		{
+			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();
+			return it == itEnd;
+		}
+
+		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());
+		}
+
+#ifdef _DEBUG
+			bool connected(has_slots_interface* pclass)
+		{
+			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;
+				if ((*it)->getdest() == pclass)
+					return true;
+				it = itNext;
+			}
+			return false;
+		}
+#endif
+
+		void disconnect(has_slots_interface* 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_interface* 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)
+				{
+					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;
+
+		_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_interface* oldtarget, has_slots_interface* 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();
+		}
+
+		bool is_empty()
+		{
+			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();
+			return it == itEnd;
+		}
+
+		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());
+		}
+
+#ifdef _DEBUG
+			bool connected(has_slots_interface* pclass)
+		{
+			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;
+				if ((*it)->getdest() == pclass)
+					return true;
+				it = itNext;
+			}
+			return false;
+		}
+#endif
+
+		void disconnect(has_slots_interface* 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_interface* 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)
+				{
+					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;
+
+		_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_interface* oldtarget, has_slots_interface* 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();
+		}
+
+		bool is_empty()
+		{
+			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();
+			return it == itEnd;
+		}
+
+		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());
+		}
+
+#ifdef _DEBUG
+			bool connected(has_slots_interface* pclass)
+		{
+			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;
+				if ((*it)->getdest() == pclass)
+					return true;
+				it = itNext;
+			}
+			return false;
+		}
+#endif
+
+		void disconnect(has_slots_interface* 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_interface* 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)
+				{
+					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;
+
+		_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_interface* oldtarget, has_slots_interface* 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();
+		}
+
+		bool is_empty()
+		{
+			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();
+			return it == itEnd;
+		}
+
+		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());
+		}
+
+#ifdef _DEBUG
+			bool connected(has_slots_interface* pclass)
+		{
+			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;
+				if ((*it)->getdest() == pclass)
+					return true;
+				it = itNext;
+			}
+			return false;
+		}
+#endif
+
+		void disconnect(has_slots_interface* 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_interface* 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)
+				{
+					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;
+
+		_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_interface* oldtarget, has_slots_interface* 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();
+		}
+
+		bool is_empty()
+		{
+			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();
+			return it == itEnd;
+		}
+
+		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());
+		}
+
+#ifdef _DEBUG
+			bool connected(has_slots_interface* pclass)
+		{
+			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;
+				if ((*it)->getdest() == pclass)
+					return true;
+				it = itNext;
+			}
+			return false;
+		}
+#endif
+
+		void disconnect(has_slots_interface* 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_interface* 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)
+				{
+					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()
+		{
+			m_pobject = NULL;
+			m_pmemfun = NULL;
+		}
+
+		_connection0(dest_type* pobject, void (dest_type::*pmemfun)())
+		{
+			m_pobject = pobject;
+			m_pmemfun = pmemfun;
+		}
+
+		virtual ~_connection0()
+		{
+                }
+
+		virtual _connection_base0<mt_policy>* clone()
+		{
+			return new _connection0<dest_type, mt_policy>(*this);
+		}
+
+		virtual _connection_base0<mt_policy>* duplicate(has_slots_interface* pnewdest)
+		{
+			return new _connection0<dest_type, mt_policy>((dest_type *)pnewdest, m_pmemfun);
+		}
+
+		virtual void emit()
+		{
+			(m_pobject->*m_pmemfun)();
+		}
+
+		virtual has_slots_interface* 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()
+		{
+			m_pobject = NULL;
+			m_pmemfun = NULL;
+		}
+
+		_connection1(dest_type* pobject, void (dest_type::*pmemfun)(arg1_type))
+		{
+			m_pobject = pobject;
+			m_pmemfun = pmemfun;
+		}
+
+		virtual ~_connection1()
+		{
+                }
+
+		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_interface* 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_interface* 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()
+		{
+			m_pobject = NULL;
+			m_pmemfun = NULL;
+		}
+
+		_connection2(dest_type* pobject, void (dest_type::*pmemfun)(arg1_type,
+			arg2_type))
+		{
+			m_pobject = pobject;
+			m_pmemfun = pmemfun;
+		}
+
+		virtual ~_connection2()
+		{
+                }
+
+		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_interface* 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_interface* 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()
+		{
+			m_pobject = NULL;
+			m_pmemfun = NULL;
+		}
+
+		_connection3(dest_type* pobject, void (dest_type::*pmemfun)(arg1_type,
+			arg2_type, arg3_type))
+		{
+			m_pobject = pobject;
+			m_pmemfun = pmemfun;
+		}
+
+		virtual ~_connection3()
+		{
+                }
+
+		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_interface* 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_interface* 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()
+		{
+			m_pobject = NULL;
+			m_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 ~_connection4()
+		{
+                }
+
+		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_interface* 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_interface* 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()
+		{
+			m_pobject = NULL;
+			m_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 ~_connection5()
+		{
+                }
+
+		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_interface* 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_interface* 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()
+		{
+			m_pobject = NULL;
+			m_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 ~_connection6()
+		{
+                }
+
+		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_interface* 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_interface* 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()
+		{
+			m_pobject = NULL;
+			m_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 ~_connection7()
+		{
+                }
+
+		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_interface* 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_interface* 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()
+		{
+			m_pobject = NULL;
+			m_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 ~_connection8()
+		{
+                }
+
+		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_interface* 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_interface* 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 _signal_base0<mt_policy> base;
+		typedef typename base::connections_list connections_list;
+		using base::m_connected_slots;
+
+		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:
+		typedef _signal_base1<arg1_type, mt_policy> base;
+		typedef typename base::connections_list connections_list;
+		using base::m_connected_slots;
+
+		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:
+		typedef _signal_base2<arg1_type, arg2_type, mt_policy> base;
+		typedef typename base::connections_list connections_list;
+		using base::m_connected_slots;
+
+		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:
+		typedef _signal_base3<arg1_type, arg2_type, arg3_type, mt_policy> base;
+		typedef typename base::connections_list connections_list;
+		using base::m_connected_slots;
+
+		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:
+		typedef _signal_base4<arg1_type, arg2_type, arg3_type, arg4_type, mt_policy> base;
+		typedef typename base::connections_list connections_list;
+		using base::m_connected_slots;
+
+		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:
+		typedef _signal_base5<arg1_type, arg2_type, arg3_type, arg4_type, arg5_type, mt_policy> base;
+		typedef typename base::connections_list connections_list;
+		using base::m_connected_slots;
+
+		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:
+		typedef _signal_base6<arg1_type, arg2_type, arg3_type, arg4_type, arg5_type, arg6_type, mt_policy> base;
+		typedef typename base::connections_list connections_list;
+		using base::m_connected_slots;
+
+		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:
+		typedef _signal_base7<arg1_type, arg2_type, arg3_type, arg4_type, 
+			arg5_type, arg6_type, arg7_type, mt_policy> base;
+		typedef typename base::connections_list connections_list;
+		using base::m_connected_slots;
+
+		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:
+		typedef _signal_base8<arg1_type, arg2_type, arg3_type, arg4_type, 
+			arg5_type, arg6_type, arg7_type, arg8_type, mt_policy> base;
+		typedef typename base::connections_list connections_list;
+		using base::m_connected_slots;
+
+		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 // TALK_BASE_SIGSLOT_H__
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