class Thread : NoCopy {
public:
#ifdef PLATFORM_WIN32
	typedef HANDLE HandleType;
	typedef dword IdType;
#elif defined(PLATFORM_POSIX)
	typedef pthread_t HandleType;
	typedef pthread_t IdType;
#else
	#error Thread is not support for this platform
#endif
private:
	HandleType     handle;
....
public:
	static IdType GetCurrentThreadId();
	static HandleType GetCurrentThreadHandle();
...

Thread::IdType Thread::GetCurrentThreadId(){
#ifdef PLATFORM_WIN32
	return GetCurrentThreadId();
#elif defined(PLATFORM_POSIX)
	return pthread_self();
#else
	#error Thread is not support for this platform
#endif
}

Thread::HandleType Thread::GetCurrentThreadHandle(){
#ifdef PLATFORM_WIN32
	return GetCurrentThread();
#elif defined(PLATFORM_POSIX)
	return pthread_self();
#else
	#error Thread is not support for this platform
#endif
}