+static void change_to_dest_dir(void)
+{
+ int ret;
+
+ DSS_INFO_LOG("changing cwd to %s\n", conf.dest_dir_arg);
+ ret = dss_chdir(conf.dest_dir_arg);
+ if (ret >= 0)
+ return;
+ DSS_EMERG_LOG("%s\n", dss_strerror(-ret));
+ exit(EXIT_FAILURE);
+}
+
+static void handle_sighup(void)