C:/temp/src/j2k/nto/bakJuly/BoundedBuffer.hpp Source File

00001 #ifndef BoundedBuffer_HPP
00002 #define BoundedBuffer_HPP
00003 
00004 #include "Standard.hpp"
00005 #include "Basic_PThread.hpp"
00006 
00007 #define BBSIZE  10
00008 #define STEPS   15
00009 
00010 class BoundedBuffer {
00011 private:
00012   size_t  size;      // Size of the buffer
00013   size_t  front;     // Front or head position
00014   size_t  rear;      // Rear  or tail position
00015   long    count;     // Number of items stored
00016   char*   buffer;    // Buffer containing items
00017   BOOL*   empty;     // Buffer position x is empty or filled ?
00018 
00019 public:
00020   BoundedBuffer( size_t sz = BBSIZE );
00021 
00022   void enqueue( char item );
00023   char dequeue();
00024 
00025   inline long   getCount() { return count; }
00026   inline size_t getSize()  { return size;  }
00027   inline BOOL   isEmpty()  { return (count == 0); }
00028 };
00029 
00030 #endif