old_sa            156 lib/services/services_linux.c     struct sigaction old_sa;    // Previous signal handling info
old_sa            203 lib/services/services_linux.c     if (sigaction(SIGCHLD, &(data->sa), &(data->old_sa)) < 0) {
old_sa            247 lib/services/services_linux.c     if (sigaction(SIGCHLD, &(data->old_sa), NULL) < 0) {