dol/src/dol/visitor/PipeAndFilter/lib/WindowedFifo.h

   1 #ifndef _WINDOWEDFIFO_H_\r
   2 #define _WINDOWEDFIFO_H_\r
   3 \r
   4 #include "Mutex.h"\r
   5 #include "Condition.h"\r
   6 \r
   7 class WindowedFifo {\r
   8     public:\r
   9         WindowedFifo(char* name, unsigned size);\r
  10         virtual ~WindowedFifo();\r
  11 \r
  12         virtual unsigned reserve(void** destination, unsigned len);\r
  13         virtual void release();\r
  14 \r
  15         virtual unsigned capture(void** destination, unsigned len);\r
  16         virtual void consume();\r
  17 \r
  18         virtual unsigned used() const;\r
  19         virtual unsigned unused() const;\r
  20         virtual unsigned size() const;\r
  21         virtual char* getName() const;\r
  22 \r
  23     protected:\r
  24         char *_buffer;\r
  25         unsigned _head;\r
  26         unsigned _tail;\r
  27         unsigned _headRoom;\r
  28         unsigned _tailRoom;\r
  29         unsigned _size;\r
  30         unsigned _use;\r
  31         unsigned _writeReserve;
  32         unsigned _readReserve;
  33         //bool _isFull;\r
  34         bool _isHeadReserved;\r
  35         bool _isTailReserved;\r
  36         char *_name;\r
  37         Mutex *_mutex;\r
  38         Condition *_readCondition, *_writeCondition;\r
  39 };\r
  40 \r
  41 #endif\r