1 files changed, 4 insertions, 1 deletions
diff --git a/src/serialport/qserialport_unix_p.h b/src/serialport/qserialport_unix_p.h
index e24804d..1cc767d 100644
--- a/src/serialport/qserialport_unix_p.h
+++ b/src/serialport/qserialport_unix_p.h
@@ -111,7 +111,7 @@ public:
     bool sendBreak(int duration);
     bool setBreakEnabled(bool set);
 
-    void startWriting();
+    qint64 readData(char *data, qint64 maxSize);
 
     bool waitForReadyRead(int msecs);
     bool waitForBytesWritten(int msecs);
@@ -128,6 +128,9 @@ public:
     bool startAsyncWrite();
     bool completeAsyncWrite();
 
+    qint64 bytesToWrite() const;
+    qint64 writeData(const char *data, qint64 maxSize);
+
     static QString portNameToSystemLocation(const QString &port);
     static QString portNameFromSystemLocation(const QString &location);