queuet.h

This program demonstrates using a thread safe C++ class called SharedQT<T>. This example act

// queueT.h - QueueT<T> template class header file
 
 // Copyright 1998-2010 Wind River Systems, Inc.
 
 //
 // modification history
 // --------------------
 // 02a,20mar98,pai  added Wind River coding conventions
 // 01a,10jan98,pai  written
 //
 
 
 
 #ifndef __INCqueueTh
 #define __INCqueueTh
 
 
 // includes
 
 #include "bool.h"
 
 
 
 template <class Item>
 class QueueT
     {
     protected:
 
         enum {Q_SIZE = 50};
 
     private:
 
         class Node         // Node - nested class declaration
             {
             public:
 
             Item   item;
             Node * next;
             Node (const Item & i) : item (i), next (0) {}
             };
 	
 
         Node *    head;
         Node *    tail;
         int       items;   // current number of queue items
         const int qsize;   // maximum number of queue items
 
 		
         // prevent the compiler from generating
         // copy constructor and assignment operator
 
         QueueT (const QueueT & q) : qsize (0) {}
         QueueT & operator=(const QueueT & q) { return *this; }
 
 
     public:
 
         virtual ~QueueT ();
         QueueT (int qs = Q_SIZE);
 
         Bool   emptyQueue () const { return (items == 0) ? True : False; }
         Bool   fullQueue  () const { return (items == qsize) ? True : False; }
         int    countQueue () const { return items; }
         Bool   enQueue    (const Item & item);
         Bool   deQueue    (Item & item);
     };
 		
 
 // method templates
 ////////////////////////////////////////////////////////////////////////////////
 
 #include "queueT.cpp"
 
 
 #endif // __INCqueueTh