From 1b58c1eea8be8619e428f9995a4cb8ef1ec04941 Mon Sep 17 00:00:00 2001
From: jacksonmj <mj-pt@jacksonmj.co.uk>
Date: Sat, 6 Jul 2013 21:26:52 +0100
Subject: Fix #127, threads should not be cancelled after being joined


diff --git a/src/gui/preview/PreviewModel.cpp b/src/gui/preview/PreviewModel.cpp
index 07c4f1f..9783ef1 100644
--- a/src/gui/preview/PreviewModel.cpp
+++ b/src/gui/preview/PreviewModel.cpp
@@ -347,9 +347,21 @@ void PreviewModel::Update()
 }
 
 PreviewModel::~PreviewModel() {
-	pthread_cancel(updateSaveDataThread);
-	pthread_cancel(updateSaveInfoThread);
-	pthread_cancel(updateSaveCommentsThread);
+	if (updateSaveDataWorking)
+	{
+		pthread_cancel(updateSaveDataThread);
+		pthread_join(updateSaveDataThread, NULL);
+	}
+	if (updateSaveInfoWorking)
+	{
+		pthread_cancel(updateSaveInfoThread);
+		pthread_join(updateSaveInfoThread, NULL);
+	}
+	if (updateSaveCommentsWorking)
+	{
+		pthread_cancel(updateSaveCommentsThread);
+		pthread_join(updateSaveCommentsThread, NULL);
+	}
 	if(save)
 		delete save;
 	if(saveComments)
--
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