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-rw-r--r--other-licenses/7zstub/src/7zip/Common/LockedStream.h38
1 files changed, 38 insertions, 0 deletions
diff --git a/other-licenses/7zstub/src/7zip/Common/LockedStream.h b/other-licenses/7zstub/src/7zip/Common/LockedStream.h
new file mode 100644
index 000000000..d61f6a372
--- /dev/null
+++ b/other-licenses/7zstub/src/7zip/Common/LockedStream.h
@@ -0,0 +1,38 @@
+// LockedStream.h
+
+#ifndef __LOCKEDSTREAM_H
+#define __LOCKEDSTREAM_H
+
+#include "../../Windows/Synchronization.h"
+#include "../../Common/MyCom.h"
+#include "../IStream.h"
+
+class CLockedInStream
+{
+ CMyComPtr<IInStream> _stream;
+ NWindows::NSynchronization::CCriticalSection _criticalSection;
+public:
+ void Init(IInStream *stream)
+ { _stream = stream; }
+ HRESULT Read(UInt64 startPos, void *data, UInt32 size, UInt32 *processedSize);
+};
+
+class CLockedSequentialInStreamImp:
+ public ISequentialInStream,
+ public CMyUnknownImp
+{
+ CLockedInStream *_lockedInStream;
+ UInt64 _pos;
+public:
+ void Init(CLockedInStream *lockedInStream, UInt64 startPos)
+ {
+ _lockedInStream = lockedInStream;
+ _pos = startPos;
+ }
+
+ MY_UNKNOWN_IMP
+
+ STDMETHOD(Read)(void *data, UInt32 size, UInt32 *processedSize);
+};
+
+#endif