public:
/**
* Virtual destructor.
*/
virtual Procedure::~Procedure() {
}
/**
* Stats this procedure.
* @return Success of failure status of start
*/
virtual int start() = 0;
/**
* Handles this message block. Here we can not use scoped pointer since
* we have to use release() method that does more than just deleting the
* memory allocated.
* @param _msg_block Message block to handler by procedure.
* @return Indicates success or failure
*/
virtual int handle(boost::shared_ptr<ACE_Message_Block> _msg_block) = 0;
/**
* Returns state of the procedure.
* @return Success or failure of the procedure.
*/
virtual const Procedure_State_Enum& state() const = 0;
/**
* Sets state of the procedure.
* @param state to set
*/
virtual void state(const Procedure_State_Enum& _state) = 0;
/**
* Id for registration with connection.
* @return Id that is used for registration in subscriber.
*/
virtual int id() const = 0;
/**
* Returns type of the procedure.
* @return type of the procedure.
*/
virtual const Procedure_Type_Enum& procedure_type() const = 0;
/**
* This method will be called whenever procedure timed out for incoming
* message. Each procedure will register to appropriate reactor (global for now) using
* Procedure Timer Handler class and that class will forward the time out method back
* to procedure once time out happens.
* @param Indicates where timed out handled successfully or not
*/
virtual void handle_timeout() = 0;
};

public:
/**
* Constructor.
* @param _ap Access point associated with this procedure.
* @param _wait_timer Wait period for receiving message
* may not require for real procedure
*/
Sample_Procedure (Access_Point * _ap, int _recv_timer);
/**
* Start method will be called when this procedure is activated.
*/
virtual int start();
/**
* Returns state this procedure.
* @return Success or failure of the procedure.
*/
virtual const Procedure_State_Enum& state () const {
  return state_;
}
/**
* Sets state of the procedure.
* @param state to set
*/
virtual void state(const Procedure_State_Enum& _state) {
  state_ = _state;
}
/**
* Returns id for this procedure. This has to be unique id
* for the procedure.
*/
virtual int id () const {
  return id_;
}
/**
* Returns type of the procedure.
* @return type of the procedure.
*/
virtual const Procedure_Type_Enum& procedure_type() const {
  return type_;
}
/**
* This method will be called whenever procedure timed out for incoming
* message. Each procedure will register to appropriate reactor (global for now) using
* Procedure Timer Handler class and that class will forward the time out method back
* to procedure once time out happens.
*/
virtual void handle_timeout();
/**
* Handles this message block. Here we can not use scoped pointer since
* we have to use release() method that does more than just deleting the
* memory allocated.
* @param _msg_block Message block to handler by procedure.
* @return Indicates success or failure
*/
virtual int handle(boost::shared_ptr<ACE_Message_Block> _msg_block);
static int ID;

private:
/**
* Access point for which the procedure is related to.
* This is just a temporary storage. User has to pass
* each time procedure is created.
*/
Access_Point* ap_;
/**
* State of this procedure.
*/
Procedure_State_Enum state_;
/**
* State of the procedure.
*/
Procedure_Type_Enum type_;
/**
* Wait period to wait.
*/
int recv_timer_;
/**
* Procedure timer handler.
*/
boost::scoped_ptr<Procedure_Timer_Handler> recv_timer_handler_;
/**
* Created static for this samle procedure. Might be regular
* data member for real procedure.
*/
int id_;
};

(gdb) where
#0 0xfe8d9764 in __sigprocmask () from /usr/lib/libthread.so.1
#1 0xfe8ce978 in _resetsig () from /usr/lib/libthread.so.1
#2 0xfe8ce118 in _sigon () from /usr/lib/libthread.so.1
#3 0xfe8d1158 in _thrp_kill () from /usr/lib/libthread.so.1
#4 0xfea4b9dc in raise () from /usr/lib/libc.so.1
#5 0xfea358fc in abort () from /usr/lib/libc.so.1
#6 0xfeb61208 in __cxxabiv1::__terminate (handler=0xfea357f4 <abort>)
    at ../../../../gcc-3.3/libstdc++-v3/libsupc++/eh_terminate.cc:47
#7 0xfeb61244 in std::terminate () at ../../../../gcc-3.3/libstdc++-v3/libsupc++/eh_terminate.cc:57
#8 0xfeb61744 in __cxa_pure_virtual () at ../../../../gcc-3.3/libstdc++-v3/libsupc++/pure.cc:50
#9 0x000ce1d8 in _ZNK5boost11multi_index13const_mem_funI9ProcedureiXadsrS2_NKS2_2idEvEEclERKS2_ ()
#10 0x000ce174 in _ZNK5boost11multi_index13const_mem_funI9ProcedureiXadsrS2_NKS2_2idEvEEclIPS2_EEiRKT_ ()
#11 0x000ce3e4 in _ZN5boost11multi_index6detail18ordered_index_findINS1_18ordered_index_nodeINS1_15index_node_baseIP9ProcedureEEEENS0_13const_mem_funIS5_iXadsrS5_NKS5_2idEvEEEiSt4lessIiEEEPT_SE_RKT0_RKT1_RKT2_ ()
#12 0x000cd72c in _ZNK5boost11multi_index6detail13ordered_indexINS0_13const_mem_funI9ProcedureiXadsrS4_NKS4_2idEvEEESt4lessIiENS1_9nth_layerILi1EPS4_NS0_10indexed_byINS0_14ordered_uniqueINS0_3tagI16procedure_id_tagN4mpl_2naESF_SF_SF_SF_SF_SF_SF_SF_SF_SF_SF_SF_SF_SF_SF_SF_SF_SF_EES5_SF_EESF_SF_SF_SF_SF_SF_SF_SF_SF_SF_SF_SF_SF_SF_SF_SF_SF_SF_SF_EESaIS9_EEENS_3mpl6v_itemISD_NSL_7vector0ISF_EELi0EEENS1_18ordered_unique_tagEE4findIiEENS1_14index_iteratorINS1_18ordered_index_nodeINS1_15index_node_baseIS9_EEEEEERKT_ ()
#13 0x00064d78 in Procedure_Pool::find_by_id ()
#14 0x00064650 in Procedure_Pool::add_by_id ()
#15 0x000783d4 in AP_TCP_Connection::subscribe ()
#16 0x00069d64 in Access_Point::subscribe ()
#17 0x00076450 in Procedure_Executor::handle_timeout ()
#18 0xff2c1940 in ACE_Event_Handler_Handle_Timeout_Upcall<ACE_Recursive_Thread_Mutex>::timeout ()
   from /vob/wibb_test/tools/cots/ACE_5.5/ace/libACE.so.5.5.0
#19 0xff26f2e4 in ACE_TP_Reactor::handle_timer_events ()
    at /mot/proj/ivtools/ppatel1/ACE_wrappers/ace/String_Base.inl:32
#20 0xff26f160 in ACE_TP_Reactor::dispatch_i () at /mot/proj/ivtools/ppatel1/ACE_wrappers/ace/String_Base.inl:32
---Type <return> to continue, or q <return> to quit---q
Quit
(gdb) quit