evsignal_new 71 opal/mca/event/libevent2022/libevent/sample/hello-world.c signal_event = evsignal_new(base, SIGINT, signal_cb, (void *)base); evsignal_new 206 opal/mca/event/libevent2022/libevent/test/regress_thread.c sigchld_event = evsignal_new(base, SIGCHLD, sigchld_cb, base);