signal_cb_sa     1148 opal/mca/event/libevent2022/libevent/test/regress.c 	sa.sa_handler = signal_cb_sa;
signal_cb_sa     1154 opal/mca/event/libevent2022/libevent/test/regress.c 	if (signal(SIGUSR1, signal_cb_sa) == SIG_ERR)