Index: src/ch/task.h
===================================================================
diff -u -N -r583756058945ab95a48e17b31455b0ed4b213b8e -r678a716a4ed83d5790a407ce60dfcf7d8ca703fa
--- src/ch/task.h	(.../task.h)	(revision 583756058945ab95a48e17b31455b0ed4b213b8e)
+++ src/ch/task.h	(.../task.h)	(revision 678a716a4ed83d5790a407ce60dfcf7d8ca703fa)
@@ -137,6 +137,98 @@
 	bool bProcessed;		// has the element been processed ? (false if skipped)
 };
 
+/// class encapsulates windows HANDLE, allowing automatic closing it in destructor.
+class TAutoFileHandle
+{
+public:
+	// ============================================================================
+	/// TAutoFileHandle::TAutoFileHandle
+	/// @date 2010/08/26
+	///
+	/// @brief     Constructs the TAutoFileHandle object.
+	// ============================================================================
+	TAutoFileHandle() :
+	  m_hHandle(INVALID_HANDLE_VALUE)
+	{
+	}
+
+	// ============================================================================
+	/// TAutoFileHandle::TAutoFileHandle
+	/// @date 2010/08/26
+	///
+	/// @brief     Constructs the TAutoFileHandle object with specified handle.
+	/// @param[in] hHandle - System handle to be managed by this class.
+	// ============================================================================
+	TAutoFileHandle(HANDLE hHandle) :
+		m_hHandle(hHandle)
+	{
+	}
+
+	// ============================================================================
+	/// TAutoFileHandle::~TAutoFileHandle
+	/// @date 2010/08/26
+	///
+	/// @brief     Destructs the TAutoFileHandle object and closes handle if not closed already.
+	// ============================================================================
+	~TAutoFileHandle()
+	{
+		_ASSERTE(m_hHandle == INVALID_HANDLE_VALUE);
+		Close();
+	}
+
+	// ============================================================================
+	/// TAutoFileHandle::operator=
+	/// @date 2010/08/26
+	///
+	/// @brief     Assignment operator.
+	/// @param[in] hHandle - Handle to be assigned.
+	/// @return    Reference to this object,
+	// ============================================================================
+	TAutoFileHandle& operator=(HANDLE hHandle)
+	{
+		if(m_hHandle != hHandle)
+		{
+			VERIFY(Close());
+			m_hHandle = hHandle;
+		}
+		return *this;
+	}
+
+	// ============================================================================
+	/// TAutoFileHandle::operator HANDLE
+	/// @date 2010/08/26
+	///
+	/// @brief     Retrieves the system handle.
+	/// @return    HANDLE value.
+	// ============================================================================
+	operator HANDLE()
+	{
+		return m_hHandle;
+	}
+
+	// ============================================================================
+	/// TAutoFileHandle::Close
+	/// @date 2010/08/26
+	///
+	/// @brief     Closes the internal handle if needed.
+	/// @return    Result of the CloseHandle() function.
+	// ============================================================================
+	BOOL Close()
+	{
+		BOOL bResult = TRUE;
+		if(m_hHandle != INVALID_HANDLE_VALUE)
+		{
+			bResult = CloseHandle(m_hHandle);
+			m_hHandle = INVALID_HANDLE_VALUE;
+		}
+
+		return bResult;
+	}
+
+private:
+	HANDLE m_hHandle;		///< System handle
+};
+
 class CTask
 {
 public: