piserial should be fixed

libs/main/io_devices/piiodevice.h

@@ -528,15 +528,15 @@ protected:
 	virtual void threadedReadBufferSizeChanged() {;}
 
 	static PIIODevice * newDeviceByPrefix(const char * prefix);
-	bool blockingReadFlag() const;
-	void setBlockingReadFlag(bool yes);
 
-	
+	bool isThreadedReadStopping() const {return read_thread.isStopping();}
+
 	DeviceMode mode_;
 	DeviceOptions options_;
 	ReadRetFunc func_read = nullptr;
 	bool opened_ = false;
 	void * ret_data_ = nullptr;
+	std::atomic_bool reading_now;
 
 private:
 	EVENT_HANDLER(void, read_func);
@@ -554,7 +554,6 @@ private:
 	PIQueue<PIPair<PIByteArray, ullong> > write_queue;
 	ullong tri = 0;
 	uint threaded_read_buffer_size, reopen_timeout = 1000;
-	std::atomic_bool reading_now;
 	bool reopen_enabled = true;
 
 	static PIMutex nfp_mutex;