src/bitmessagemain.py

@@ -297,7 +297,9 @@ class receiveDataThread(threading.Thread):
         try:
             del shared.connectedHostsList[self.HOST]
         except Exception, err:
+            shared.printLock.acquire()
             print 'Could not delete', self.HOST, 'from shared.connectedHostsList.', err
+            shared.printLock.release()
         shared.UISignalQueue.put(('updateNetworkStatusTab','no data'))
         shared.printLock.acquire()
         print 'The size of the connectedHostsList is now:', len(shared.connectedHostsList)
@@ -2046,7 +2048,6 @@ class sendDataThread(threading.Thread):
             shared.printLock.release()
         self.versionSent = 1
 
-
     def run(self):
         while True:
             deststream,command,data = self.mailbox.get()

src/bitmessageqt/__init__.py

@@ -1315,7 +1315,9 @@ class MyForm(QtGui.QMainWindow):
         self.trayIcon.hide()
         self.statusBar().showMessage('All done. Closing user interface...')
         event.accept()
+        shared.printLock.acquire()
         print 'Done. (passed event.accept())'
+        shared.printLock.release()
         os._exit(0)
 
     def on_action_InboxMessageForceHtml(self):

src/shared.py

@@ -149,7 +149,9 @@ def doCleanShutdown():
     print 'Completed pickle.dump. Closing output...'
     output.close()
     knownNodesLock.release()
+    printLock.acquire()
     print 'Finished closing knownnodes.dat output file.'
+    printLock.release()
     UISignalQueue.put(('updateStatusBar','Done saving the knownNodes list of peers to disk.'))
 
     broadcastToSendDataQueues((0, 'shutdown', 'all'))
@@ -165,8 +167,10 @@ def doCleanShutdown():
     sqlSubmitQueue.put('SELECT address FROM subscriptions')
     sqlSubmitQueue.put('')
     sqlReturnQueue.get()
-    sqlLock.release()   
+    sqlLock.release()
+    printLock.acquire()
     print 'Finished flushing inventory.'
+    printLock.release()
     sqlSubmitQueue.put('exit')
 
     if safeConfigGetBoolean('bitmessagesettings','daemon'):