+XBT_LOG_EXTERNAL_CATEGORY(xbt);
+XBT_LOG_DEFAULT_CATEGORY(xbt);
+
+/**
+ * \ingroup XBT_error
+ * \param msg
+ *
+ * Things are so messed up that the only thing to do now, is to stop the program.
+ */
+void xbt_die (const char *msg) {
+ CRITICAL1("%s",msg);
+ xbt_abort();
+}
+