Thread fixes for WinCE

Foundation/include/Poco/Thread_WINCE.h

@@ -22,6 +22,7 @@
 
 #include "Poco/Foundation.h"
 #include "Poco/Runnable.h"
+#include "Poco/SharedPtr.h"
 #include "Poco/UnWindows.h"
 
 
@@ -40,16 +41,6 @@ public:
 	typedef void (*Callable)(void*);
 	typedef DWORD (WINAPI *Entry)(LPVOID);
 
-	struct CallbackData
-	{
-		CallbackData(): callback(0), pData(0)
-		{
-		}
-
-		Callable  callback;
-		void*     pData; 
-	};
-
 	enum Priority
 	{
 		PRIO_LOWEST_IMPL  = THREAD_PRIORITY_LOWEST,
@@ -76,9 +67,7 @@ public:
 	static int getMaxOSPriorityImpl(int policy);
 	void setStackSizeImpl(int size);
 	int getStackSizeImpl() const;
-	void startImpl(Runnable& target);
-	void startImpl(Callable target, void* pData = 0);
-
+	void startImpl(SharedPtr<Runnable> pTarget);
 	void joinImpl();
 	bool joinImpl(long milliseconds);
 	bool isRunningImpl() const;
@@ -89,7 +78,6 @@ public:
 
 protected:
 	static DWORD WINAPI runnableEntry(LPVOID pThread);
-	static DWORD WINAPI callableEntry(LPVOID pThread);
 
 	void createImpl(Entry ent, void* pData);
 	void threadCleanup();
@@ -120,8 +108,7 @@ private:
 		DWORD _slot;
 	};
 
-	Runnable*    _pRunnableTarget;
-	CallbackData _callbackTarget;
+	SharedPtr<Runnable> _pRunnableTarget;
 	HANDLE       _thread;
 	DWORD        _threadId;
 	int          _prio;