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Diff for /pegasus/src/Pegasus/Common/Message.h between version 1.13 and 1.89

version 1.13, 2001/12/27 21:20:53 version 1.89, 2007/06/06 05:24:49
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 //%///-*-c++-*-/////////////////////////////////////////////////////////////////  //%2006////////////////////////////////////////////////////////////////////////
 // //
 // Copyright (c) 2000, 2001 BMC Software, Hewlett-Packard Company, IBM,  // Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development
 // The Open Group, Tivoli Systems  // Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems.
   // Copyright (c) 2003 BMC Software; Hewlett-Packard Development Company, L.P.;
   // IBM Corp.; EMC Corporation, The Open Group.
   // Copyright (c) 2004 BMC Software; Hewlett-Packard Development Company, L.P.;
   // IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group.
   // Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.;
   // EMC Corporation; VERITAS Software Corporation; The Open Group.
   // Copyright (c) 2006 Hewlett-Packard Development Company, L.P.; IBM Corp.;
   // EMC Corporation; Symantec Corporation; The Open Group.
 // //
 // Permission is hereby granted, free of charge, to any person obtaining a copy // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to // of this software and associated documentation files (the "Software"), to
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 // //
 //============================================================================== //==============================================================================
 // //
 // Author: Mike Brasher (mbrasher@bmc.com)  
 //  
 // Modified By: Nitin Upasani, Hewlett-Packard Company (Nitin_Upasani@hp.com)  
 // Modified By: Carol Ann Krug Graves, Hewlett-Packard Company  
 //              (carolann_graves@hp.com)  
 // Modified By: Mike Day (mdday@us.ibm.com)  
 //  
 //%///////////////////////////////////////////////////////////////////////////// //%/////////////////////////////////////////////////////////////////////////////
  
 #ifndef Pegasus_Message_h #ifndef Pegasus_Message_h
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 #include <Pegasus/Common/Config.h> #include <Pegasus/Common/Config.h>
 #include <iostream> #include <iostream>
 #include <cstring> #include <cstring>
 #include <Pegasus/Common/Exception.h>  #include <Pegasus/Common/InternalException.h>
 #include <Pegasus/Common/IPC.h>  #include <Pegasus/Common/Linkage.h>
   #include <Pegasus/Common/TimeValue.h>
   #include <Pegasus/Common/CIMOperationType.h>
   #include <Pegasus/Common/Threads.h>
   #include <Pegasus/Common/Linkable.h>
  
 PEGASUS_NAMESPACE_BEGIN PEGASUS_NAMESPACE_BEGIN
  
 // REVIEW: could class be renamed to MessageMask (coding standard)?  class PEGASUS_COMMON_LINKAGE MessageMask
   
 class PEGASUS_COMMON_LINKAGE message_mask  
 { {
    public:    public:
       // Message handling is indicated by the high order 12 bits.  For example:
       static Uint32 type_legacy;      // Uint32 messageHandling = flags & 0xfff00000;
       static Uint32 type_CIMOperation;  
       static Uint32 type_CIMAsyncOperation;  
       static Uint32 type_export;  
       static Uint32 type_lifetime;  
       static Uint32 type_socket;  
       static Uint32 type_connection;  
       static Uint32 type_http;  
       static Uint32 type_cimom;  
       static Uint32 type_control;  
       static Uint32 type_service;  
       static Uint32 type_broadcast;  
   
       static Uint32 ha_no_delete;  
       static Uint32 ha_request;       static Uint32 ha_request;
       static Uint32 ha_reply;       static Uint32 ha_reply;
       static Uint32 ha_synchronous;  
       static Uint32 ha_async;       static Uint32 ha_async;
   };
  
   enum HttpMethod
       // more for documentation than for use  
   
       inline Uint32 get_type(Uint32 flags)  
       {  
          return (flags & 0x000fffff);  
       }  
   
       inline Uint32 get_handling(Uint32 flags)  
       {       {
          return( flags & 0xfff00000);      HTTP_METHOD__POST,
       }      HTTP_METHOD_M_POST
 }; };
  
 class MessageQueue;  
   
 /** The Message class and derived classes are used to pass messages between /** The Message class and derived classes are used to pass messages between
     modules. Messages are passed between modules using the message queues     modules. Messages are passed between modules using the message queues
     (see MessageQueue class). Derived classes may add their own fields.     (see MessageQueue class). Derived classes may add their own fields.
     This base class defines two common fields: type, which is the type of      This base class defines a common type field, which is the type of
     the message, and key which is a key value whose meaning is defined by      the message.
     the derived class. The MessageQueue class provides methods for finding  
     messages by both type and key.  
   
     The Message class also provides previous and next pointers which are  
     used to place the messages on a queue by the MessageQueue class.  
 */ */
 class PEGASUS_COMMON_LINKAGE Message  class PEGASUS_COMMON_LINKAGE Message : public Linkable
 { {
    public:    public:
  
       Message(       Message(
          Uint32 type,          Uint32 type,
          Uint32 key = getNextKey(),          Uint32 destination = 0,
          Uint32 routing_code = 0,          Uint32 mask = 0)
          Uint32 mask = message_mask::type_legacy)  
          :          :
          _type(type),          _type(type),
          _key(key),  
          _routing_code(routing_code),  
          _mask(mask),          _mask(mask),
          _next(0),          _httpMethod (HTTP_METHOD__POST),
          _prev(0)  #ifndef PEGASUS_DISABLE_PERFINST
           _serverStartTimeMicroseconds(0),
           _providerTimeMicroseconds(0),
           _totalServerTimeMicroseconds(0),
   #endif
           _close_connect(false),
           _last_thread_id(Threads::self()),
           _async(0),
           dest(destination),
           _isComplete(true),
           _index(0)
       {       {
   
       }       }
  
       virtual ~Message();       virtual ~Message();
  
       // NOTE: The compiler default implementation of the copy constructor
       // is used for this class.
   
       Boolean getCloseConnect() const { return _close_connect; }
       void setCloseConnect(Boolean close_connect)
       {
           _close_connect = close_connect;
       }
   
       Uint32 getType() const { return _type; }       Uint32 getType() const { return _type; }
  
       void setType(Uint32 type) { _type = type; }       void setType(Uint32 type) { _type = type; }
  
       Uint32 getKey() const { return _key; }      Uint32 getMask() const { return _mask; }
  
       void setKey(Uint32 key) { _key = key; }      void setMask(Uint32 mask) { _mask = mask; }
  
       Uint32 getRouting() const { return _routing_code; }      HttpMethod getHttpMethod() const { return _httpMethod; }
       void setRouting(Uint32 routing) { _routing_code = routing; }  
  
       Uint32 getMask() const { return _mask; }      void setHttpMethod(HttpMethod httpMethod) {_httpMethod = httpMethod;}
  
       void setMask(Uint32 mask) { _mask = mask; }  #ifndef PEGASUS_DISABLE_PERFINST
       //
       // Needed for performance measurement
       //
   
       Uint64 getServerStartTime() const
       {
           return _serverStartTimeMicroseconds;
       }
  
       Message* getNext() { return _next; }      void setServerStartTime(Uint64 serverStartTimeMicroseconds)
       {
            _serverStartTimeMicroseconds = serverStartTimeMicroseconds;
       }
  
       const Message* getNext() const { return _next; }      void endServer();
  
       Message* getPrevious() { return _prev; }      Uint64 getProviderTime() const
       {
           return _providerTimeMicroseconds;
       }
  
       const Message* getPrevious() const { return _prev; }      void setProviderTime(Uint64 providerTimeMicroseconds)
       {
           _providerTimeMicroseconds = providerTimeMicroseconds;
       }
  
       static Uint32 getNextKey()      Uint64 getTotalServerTime() const
       {       {
           return _totalServerTimeMicroseconds;
       }
  
          _mut.lock( pegasus_thread_self() ) ;      void setTotalServerTime(Uint64 totalServerTimeMicroseconds)
          Uint32 ret = _nextKey++;      {
          _mut.unlock();          _totalServerTimeMicroseconds = totalServerTimeMicroseconds;
       }
   
   #endif
   
       static CIMOperationType convertMessageTypetoCIMOpType(Uint32 type);
   
   #ifdef PEGASUS_DEBUG
       virtual void print(
           PEGASUS_STD(ostream)& os,
           Boolean printHeader = true) const;
   #endif
   
       Message* get_async()
       {
           Message *ret = _async;
           _async = 0;
          return ret;          return ret;
       }       }
  
       virtual void print(PEGASUS_STD(ostream)& os) const;      void put_async(Message* msg)
       {
           _async = msg;
       }
  
       // << Thu Dec 27 10:46:04 2001 mdd >> for use with DQueue container      // << Tue Jul  1 11:02:49 2003 mdd >> pep_88 and helper for i18n and l10n
       // as used by AsyncOpNode      Boolean thread_changed()
       Boolean operator == (void *msg )  
       {       {
          if( this == reinterpret_cast<Message *>(msg) )          if (!Threads::equal(_last_thread_id, Threads::self()))
             return true;          {
          if( _key == (reinterpret_cast<Message *>(msg))->_key )              _last_thread_id = Threads::self();
             if(_type == (reinterpret_cast<Message *>(msg))->_type )  
                if(_mask == (reinterpret_cast<Message *>(msg))->_mask )  
                   return true;                   return true;
           }
   
          return false;          return false;
       }       }
  
       // set the message index indicating what piece (or sequence) this is
       // message indexes start at zero
       void setIndex(Uint32 index) { _index = index; }
   
       // increment the message index
       void incrementIndex() { _index++; }
   
       // set the complete flag indicating if this message piece is the
       // last or not
       void setComplete(Boolean isComplete)
       {
           _isComplete = isComplete ? true:false;
       }
   
       // get the message index (or sequence number)
       Uint32 getIndex() const { return _index; }
   
       // is this the first piece of the message ?
       Boolean isFirst() const { return _index == 0 ? true : false; }
   
       // is this message complete? (i.e the last in a one or more sequence)
       Boolean isComplete() const { return _isComplete; }
  
    private:    private:
       Uint32 _type;       Uint32 _type;
       Uint32 _key;  
       Uint32 _routing_code;  
       Uint32 _mask;       Uint32 _mask;
       Message* _next;      HttpMethod _httpMethod;
       Message* _prev;  
       MessageQueue* _owner;  #ifndef PEGASUS_DISABLE_PERFINST
       static Uint32 _nextKey;      // Needed for performance measurement
       static Mutex _mut;      Uint64 _serverStartTimeMicroseconds;
       friend class MessageQueue;      Uint64 _providerTimeMicroseconds;
       Uint64 _totalServerTimeMicroseconds;
   #endif
       Boolean _close_connect;
   
       // << Tue Jul  1 11:02:35 2003 mdd >> pep_88 and helper for i18n and l10n
       ThreadType _last_thread_id;
   
   public:
       Message *_async;
       Uint32 dest;
   
   private:
       Message& operator=(const Message& msg);
   
       Boolean _isComplete;
       Uint32 _index;
 }; };
  
  
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     CIM_CREATE_INSTANCE_REQUEST_MESSAGE,     CIM_CREATE_INSTANCE_REQUEST_MESSAGE,
     CIM_MODIFY_CLASS_REQUEST_MESSAGE,     CIM_MODIFY_CLASS_REQUEST_MESSAGE,
     CIM_MODIFY_INSTANCE_REQUEST_MESSAGE,     CIM_MODIFY_INSTANCE_REQUEST_MESSAGE,
     CIM_ENUMERATE_CLASSES_REQUEST_MESSAGE,      CIM_ENUMERATE_CLASSES_REQUEST_MESSAGE, //10
     CIM_ENUMERATE_CLASS_NAMES_REQUEST_MESSAGE,     CIM_ENUMERATE_CLASS_NAMES_REQUEST_MESSAGE,
     CIM_ENUMERATE_INSTANCES_REQUEST_MESSAGE,     CIM_ENUMERATE_INSTANCES_REQUEST_MESSAGE,
     CIM_ENUMERATE_INSTANCE_NAMES_REQUEST_MESSAGE,     CIM_ENUMERATE_INSTANCE_NAMES_REQUEST_MESSAGE,
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     CIM_REFERENCES_REQUEST_MESSAGE,     CIM_REFERENCES_REQUEST_MESSAGE,
     CIM_REFERENCE_NAMES_REQUEST_MESSAGE,     CIM_REFERENCE_NAMES_REQUEST_MESSAGE,
     CIM_GET_PROPERTY_REQUEST_MESSAGE,     CIM_GET_PROPERTY_REQUEST_MESSAGE,
     CIM_SET_PROPERTY_REQUEST_MESSAGE,      CIM_SET_PROPERTY_REQUEST_MESSAGE, //20
     CIM_GET_QUALIFIER_REQUEST_MESSAGE,     CIM_GET_QUALIFIER_REQUEST_MESSAGE,
     CIM_SET_QUALIFIER_REQUEST_MESSAGE,     CIM_SET_QUALIFIER_REQUEST_MESSAGE,
     CIM_DELETE_QUALIFIER_REQUEST_MESSAGE,     CIM_DELETE_QUALIFIER_REQUEST_MESSAGE,
     CIM_ENUMERATE_QUALIFIERS_REQUEST_MESSAGE,     CIM_ENUMERATE_QUALIFIERS_REQUEST_MESSAGE,
     CIM_INVOKE_METHOD_REQUEST_MESSAGE,     CIM_INVOKE_METHOD_REQUEST_MESSAGE,
     CIM_ENABLE_INDICATION_SUBSCRIPTION_REQUEST_MESSAGE,      CIM_PROCESS_INDICATION_REQUEST_MESSAGE,
     CIM_MODIFY_INDICATION_SUBSCRIPTION_REQUEST_MESSAGE,      CIM_HANDLE_INDICATION_REQUEST_MESSAGE,
     CIM_DISABLE_INDICATION_SUBSCRIPTION_REQUEST_MESSAGE,      CIM_NOTIFY_PROVIDER_REGISTRATION_REQUEST_MESSAGE,
       CIM_NOTIFY_PROVIDER_TERMINATION_REQUEST_MESSAGE,
       CIM_CREATE_SUBSCRIPTION_REQUEST_MESSAGE,  // 30
       CIM_MODIFY_SUBSCRIPTION_REQUEST_MESSAGE,
       CIM_DELETE_SUBSCRIPTION_REQUEST_MESSAGE,
       CIM_DISABLE_MODULE_REQUEST_MESSAGE,
       CIM_ENABLE_MODULE_REQUEST_MESSAGE,
       CIM_STOP_ALL_PROVIDERS_REQUEST_MESSAGE,
   
     CIM_GET_CLASS_RESPONSE_MESSAGE,     CIM_GET_CLASS_RESPONSE_MESSAGE,
     CIM_GET_INSTANCE_RESPONSE_MESSAGE,     CIM_GET_INSTANCE_RESPONSE_MESSAGE,
     CIM_EXPORT_INDICATION_RESPONSE_MESSAGE,     CIM_EXPORT_INDICATION_RESPONSE_MESSAGE,
     CIM_DELETE_CLASS_RESPONSE_MESSAGE,     CIM_DELETE_CLASS_RESPONSE_MESSAGE,
     CIM_DELETE_INSTANCE_RESPONSE_MESSAGE,      CIM_DELETE_INSTANCE_RESPONSE_MESSAGE,  // 40
     CIM_CREATE_CLASS_RESPONSE_MESSAGE,     CIM_CREATE_CLASS_RESPONSE_MESSAGE,
     CIM_CREATE_INSTANCE_RESPONSE_MESSAGE,     CIM_CREATE_INSTANCE_RESPONSE_MESSAGE,
     CIM_MODIFY_CLASS_RESPONSE_MESSAGE,     CIM_MODIFY_CLASS_RESPONSE_MESSAGE,
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     CIM_ENUMERATE_INSTANCES_RESPONSE_MESSAGE,     CIM_ENUMERATE_INSTANCES_RESPONSE_MESSAGE,
     CIM_ENUMERATE_INSTANCE_NAMES_RESPONSE_MESSAGE,     CIM_ENUMERATE_INSTANCE_NAMES_RESPONSE_MESSAGE,
     CIM_EXEC_QUERY_RESPONSE_MESSAGE,     CIM_EXEC_QUERY_RESPONSE_MESSAGE,
     CIM_ASSOCIATORS_RESPONSE_MESSAGE,      CIM_ASSOCIATORS_RESPONSE_MESSAGE,  // 50
     CIM_ASSOCIATOR_NAMES_RESPONSE_MESSAGE,     CIM_ASSOCIATOR_NAMES_RESPONSE_MESSAGE,
     CIM_REFERENCES_RESPONSE_MESSAGE,     CIM_REFERENCES_RESPONSE_MESSAGE,
     CIM_REFERENCE_NAMES_RESPONSE_MESSAGE,     CIM_REFERENCE_NAMES_RESPONSE_MESSAGE,
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     CIM_SET_QUALIFIER_RESPONSE_MESSAGE,     CIM_SET_QUALIFIER_RESPONSE_MESSAGE,
     CIM_DELETE_QUALIFIER_RESPONSE_MESSAGE,     CIM_DELETE_QUALIFIER_RESPONSE_MESSAGE,
     CIM_ENUMERATE_QUALIFIERS_RESPONSE_MESSAGE,     CIM_ENUMERATE_QUALIFIERS_RESPONSE_MESSAGE,
     CIM_INVOKE_METHOD_RESPONSE_MESSAGE,      CIM_INVOKE_METHOD_RESPONSE_MESSAGE,  // 60
     CIM_ENABLE_INDICATION_SUBSCRIPTION_RESPONSE_MESSAGE,      CIM_PROCESS_INDICATION_RESPONSE_MESSAGE,
     CIM_MODIFY_INDICATION_SUBSCRIPTION_RESPONSE_MESSAGE,      CIM_NOTIFY_PROVIDER_REGISTRATION_RESPONSE_MESSAGE,
     CIM_DISABLE_INDICATION_SUBSCRIPTION_RESPONSE_MESSAGE,      CIM_NOTIFY_PROVIDER_TERMINATION_RESPONSE_MESSAGE,
       CIM_HANDLE_INDICATION_RESPONSE_MESSAGE,
       CIM_CREATE_SUBSCRIPTION_RESPONSE_MESSAGE,
       CIM_MODIFY_SUBSCRIPTION_RESPONSE_MESSAGE,
       CIM_DELETE_SUBSCRIPTION_RESPONSE_MESSAGE,
       CIM_DISABLE_MODULE_RESPONSE_MESSAGE,
       CIM_ENABLE_MODULE_RESPONSE_MESSAGE,
       CIM_STOP_ALL_PROVIDERS_RESPONSE_MESSAGE,  // 70
  
     // Monitor-related messages:     // Monitor-related messages:
  
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     // HTTP messages:     // HTTP messages:
  
     HTTP_MESSAGE,     HTTP_MESSAGE,
       HTTP_ERROR_MESSAGE,
   
       // Exception messages to be passed to a CIM client application:
   
       CLIENT_EXCEPTION_MESSAGE,
   
       ASYNC_REGISTER_CIM_SERVICE,
       ASYNC_DEREGISTER_CIM_SERVICE,
       ASYNC_UPDATE_CIM_SERVICE,
       ASYNC_IOCTL,
       ASYNC_CIMSERVICE_START,  // 80
       ASYNC_CIMSERVICE_STOP,
       ASYNC_CIMSERVICE_PAUSE,
       ASYNC_CIMSERVICE_RESUME,
   
       ASYNC_ASYNC_OP_START,
       ASYNC_ASYNC_OP_RESULT,
       ASYNC_ASYNC_LEGACY_OP_START,
       ASYNC_ASYNC_LEGACY_OP_RESULT,
   
       ASYNC_FIND_SERVICE_Q,
       ASYNC_FIND_SERVICE_Q_RESULT,
       ASYNC_ENUMERATE_SERVICE,  // 90
       ASYNC_ENUMERATE_SERVICE_RESULT,
   
       ASYNC_REGISTERED_MODULE,
       ASYNC_DEREGISTERED_MODULE,
       ASYNC_FIND_MODULE_IN_SERVICE,
       ASYNC_FIND_MODULE_IN_SERVICE_RESPONSE,
   
       ASYNC_ASYNC_MODULE_OP_START,
       ASYNC_ASYNC_MODULE_OP_RESULT,
   
       CIM_NOTIFY_PROVIDER_ENABLE_REQUEST_MESSAGE,
       CIM_NOTIFY_PROVIDER_ENABLE_RESPONSE_MESSAGE,
   
       CIM_NOTIFY_PROVIDER_FAIL_REQUEST_MESSAGE,  // 100
       CIM_NOTIFY_PROVIDER_FAIL_RESPONSE_MESSAGE,
   
       CIM_INITIALIZE_PROVIDER_REQUEST_MESSAGE,
       CIM_INITIALIZE_PROVIDER_RESPONSE_MESSAGE,
   
       CIM_INITIALIZE_PROVIDER_AGENT_REQUEST_MESSAGE,
       CIM_INITIALIZE_PROVIDER_AGENT_RESPONSE_MESSAGE,
   
       CIM_NOTIFY_CONFIG_CHANGE_REQUEST_MESSAGE,
       CIM_NOTIFY_CONFIG_CHANGE_RESPONSE_MESSAGE,
   
       CIM_SUBSCRIPTION_INIT_COMPLETE_REQUEST_MESSAGE,
       CIM_SUBSCRIPTION_INIT_COMPLETE_RESPONSE_MESSAGE,
  
     NUMBER_OF_MESSAGES     NUMBER_OF_MESSAGES
 }; };
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     stack of queue-ids of queues which they must be returned to. This provides     stack of queue-ids of queues which they must be returned to. This provides
     a light efficient stack for this purpose.     a light efficient stack for this purpose.
 */ */
 class QueueIdStack  class PEGASUS_COMMON_LINKAGE QueueIdStack
 { {
 public: public:
  
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     {     {
     }     }
  
     QueueIdStack(const QueueIdStack& x) : _size(x._size)      QueueIdStack(const QueueIdStack& x);
     {  
         memcpy(_items, x._items, sizeof(_items));  
     }  
  
     PEGASUS_EXPLICIT QueueIdStack(Uint32 x) : _size(0)      explicit QueueIdStack(Uint32 x);
     {  
         push(x);  
     }  
  
     PEGASUS_EXPLICIT QueueIdStack(Uint32 x1, Uint32 x2) : _size(0)      explicit QueueIdStack(Uint32 x1, Uint32 x2);
     {  
         push(x1);  
         push(x2);  
     }  
  
     ~QueueIdStack()     ~QueueIdStack()
     {     {
     }     }
  
     QueueIdStack& operator=(const QueueIdStack& x)      QueueIdStack& operator=(const QueueIdStack& x);
     {  
         if (this != &x)  
         {  
             memcpy(_items, x._items, sizeof(_items));  
             _size = x._size;  
         }  
         return *this;  
     }  
  
     Uint32 size() const     Uint32 size() const
     {     {
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     void push(Uint32 x)     void push(Uint32 x)
     {     {
   #ifdef PEGASUS_DEBUG
         if (_size == MAX_SIZE)         if (_size == MAX_SIZE)
             throw StackOverflow();             throw StackOverflow();
   #endif
         _items[_size++] = x;         _items[_size++] = x;
     }     }
  
     Uint32& top()     Uint32& top()
     {     {
   #ifdef PEGASUS_DEBUG
         if (_size == 0)         if (_size == 0)
             throw StackUnderflow();             throw StackUnderflow();
   #endif
         return _items[_size-1];         return _items[_size-1];
     }     }
  
Line 332 
Line 443 
  
     void pop()     void pop()
     {     {
   #ifdef PEGASUS_DEBUG
         if (_size == 0)         if (_size == 0)
             throw StackUnderflow();             throw StackUnderflow();
   #endif
         _size--;         _size--;
     }     }
  
     /** Make a copy of this stack and then pop the top element. */     /** Make a copy of this stack and then pop the top element. */
     QueueIdStack copyAndPop() const      QueueIdStack copyAndPop() const;
     {  
         return QueueIdStack(*this, 0);  
     }  
  
 private: private:
  
     // Copy the given stack but then pop the top element:     // Copy the given stack but then pop the top element:
     QueueIdStack(const QueueIdStack& x, int) : _size(x._size)      QueueIdStack(const QueueIdStack& x, int);
     {  
         memcpy(_items, x._items, sizeof(_items));  
         pop();  
     }  
  
     enum { MAX_SIZE = 5 };     enum { MAX_SIZE = 5 };
     Uint32 _items[MAX_SIZE];     Uint32 _items[MAX_SIZE];

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Removed from v.1.13  
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  Added in v.1.89
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