new file mode 100644
--- /dev/null
+++ b/src/thread.c
@@ -0,0 +1,60 @@
+/**
+ *  $Id: thread.c 53 2008-01-10 00:19:41Z mbroeker $
+ * $URL: http://localhost/svn/c/VirtualReader/trunk/src/thread.c $
+ */
+
+#include <thread.h>
+
+int p_thread_restart (pthread_t p_thread, void *func, ThreadData * data)
+{
+    // stops a thread, waits for it to exit and then restarts it using
+    // the current data structure
+    int ret;
+
+    pthread_cancel (p_thread);
+    if (pthread_join (p_thread, NULL))
+        printf ("RESTART: Cannot find a suitable thread :)\n");
+
+    ret = pthread_create (&p_thread, NULL, (void *)func, data);
+
+    /*
+     * TODO: Error Handling
+     */
+    return ret;
+}
+
+void readtext (ThreadData * data)
+{
+    // read the current sentence using the audio player
+    // TODO - test for existence (completeness?) of file before read
+    char fname[80];
+
+    pthread_setcanceltype (PTHREAD_CANCEL_ASYNCHRONOUS, NULL);
+    pthread_cleanup_push (audioplayer_stop, NULL);
+
+    for (; data->satz < data->items; data->satz++) {
+        sprintf (fname, "audio/%s-%i.wav", data->fname, data->satz);
+        if ((audioplayer (fname, TIMEOUT)) != -1)
+            audioplayer_stop ();
+        else
+            pthread_exit (NULL);
+    }
+
+    pthread_exit (NULL);
+    pthread_cleanup_pop (1);
+}
+
+void writewav (ThreadData * data)
+{
+    // write wav file for each sentence between data->satz adn
+    // data->items
+    char fname[80];
+    int i;
+
+    for (i = data->satz; i < data->items; i++) {
+        sprintf (fname, "audio/%s-%i.wav", data->fname, i);
+        interface_write_to_wav (fname, data->sentences[i], data->ttsh, data->ttsopt);
+    }
+
+    pthread_exit (NULL);
+}