diff -r b72c6db6890b -r 5dc02b23752f tools/runonphone/symbianutils/trkdevice.h
--- a/tools/runonphone/symbianutils/trkdevice.h	Wed Jun 23 19:07:03 2010 +0300
+++ b/tools/runonphone/symbianutils/trkdevice.h	Tue Jul 06 15:10:48 2010 +0300
@@ -64,12 +64,14 @@
  * Trk communications. Provides synchronous write and asynchronous
  * read operation.
  * The serialFrames property specifies whether packets are encapsulated in
- * "0x90 <length>" frames, which is currently the case for serial ports. 
+ * "0x90 <length>" frames, which is currently the case for serial ports.
  * Contains a write message queue allowing
  * for queueing messages with a notification callback. If the message receives
  * an ACK, the callback is invoked.
- * The special message TRK_WRITE_QUEUE_NOOP_CODE code can be used for synchronisation.
- * The respective  message will not be sent, the callback is just invoked. */
+ * The special message TRK_WRITE_QUEUE_NOOP_CODE code can be used for synchronization.
+ * The respective  message will not be sent, the callback is just invoked.
+ * Note that calling open/close in quick succession can cause crashes
+ * due to the use of queused signals. */
 
 enum { TRK_WRITE_QUEUE_NOOP_CODE = 0x7f };
 
@@ -111,6 +113,9 @@
     // Send an Ack synchronously, bypassing the queue
     bool sendTrkAck(unsigned char token);
 
+public slots:
+    void clearWriteQueue();
+
 signals:
     void messageReceived(const trk::TrkResult &result);
     // Emitted with the contents of messages enclosed in 07e, not for log output