git.maemo.org Git - physicsfs/blob - lzma/CPP/7zip/Common/LockedStream.h

   1 // LockedStream.h
   2
   3 #ifndef __LOCKEDSTREAM_H
   4 #define __LOCKEDSTREAM_H
   5
   6 #include "../../Windows/Synchronization.h"
   7 #include "../../Common/MyCom.h"
   8 #include "../IStream.h"
   9
  10 class CLockedInStream
  11 {
  12   CMyComPtr<IInStream> _stream;
  13   NWindows::NSynchronization::CCriticalSection _criticalSection;
  14 public:
  15   void Init(IInStream *stream)
  16     { _stream = stream; }
  17   HRESULT Read(UInt64 startPos, void *data, UInt32 size, UInt32 *processedSize);
  18 };
  19
  20 class CLockedSequentialInStreamImp:
  21   public ISequentialInStream,
  22   public CMyUnknownImp
  23 {
  24   CLockedInStream *_lockedInStream;
  25   UInt64 _pos;
  26 public:
  27   void Init(CLockedInStream *lockedInStream, UInt64 startPos)
  28   {
  29     _lockedInStream = lockedInStream;
  30     _pos = startPos;
  31   }
  32
  33   MY_UNKNOWN_IMP
  34
  35   STDMETHOD(Read)(void *data, UInt32 size, UInt32 *processedSize);
  36 };
  37
  38 #endif