obt_main_loop_signal_add(ob_main_loop, SIGHUP, signal_handler, NULL,NULL);
obt_main_loop_signal_add(ob_main_loop, SIGPIPE, signal_handler, NULL,NULL);
obt_main_loop_signal_add(ob_main_loop, SIGCHLD, signal_handler, NULL,NULL);
obt_main_loop_signal_add(ob_main_loop, SIGHUP, signal_handler, NULL,NULL);
obt_main_loop_signal_add(ob_main_loop, SIGPIPE, signal_handler, NULL,NULL);
obt_main_loop_signal_add(ob_main_loop, SIGCHLD, signal_handler, NULL,NULL);