216 	struct sigaction act;  in opd_setup_signals()  local
218 	act.sa_handler = opd_alarm;  in opd_setup_signals()
219 	act.sa_flags = 0;  in opd_setup_signals()
220 	sigemptyset(&act.sa_mask);  in opd_setup_signals()
222 	if (sigaction(SIGALRM, &act, NULL)) {  in opd_setup_signals()
227 	act.sa_handler = opd_sighup;  in opd_setup_signals()
228 	act.sa_flags = 0;  in opd_setup_signals()
229 	sigemptyset(&act.sa_mask);  in opd_setup_signals()
230 	sigaddset(&act.sa_mask, SIGALRM);  in opd_setup_signals()
232 	if (sigaction(SIGHUP, &act, NULL)) {  in opd_setup_signals()
237 	act.sa_handler = opd_sigterm;  in opd_setup_signals()
238 	act.sa_flags = 0;  in opd_setup_signals()
239 	sigemptyset(&act.sa_mask);  in opd_setup_signals()
240 	sigaddset(&act.sa_mask, SIGTERM);  in opd_setup_signals()
242 	if (sigaction(SIGTERM, &act, NULL)) {  in opd_setup_signals()
247 	act.sa_handler = opd_sigchild;  in opd_setup_signals()
248 	act.sa_flags = 0;  in opd_setup_signals()
249 	sigemptyset(&act.sa_mask);  in opd_setup_signals()
250 	sigaddset(&act.sa_mask, SIGCHLD);  in opd_setup_signals()
252 	if (sigaction(SIGCHLD, &act, NULL)) {  in opd_setup_signals()
257 	act.sa_handler = opd_sigusr1;  in opd_setup_signals()
258 	act.sa_flags = 0;  in opd_setup_signals()
259 	sigemptyset(&act.sa_mask);  in opd_setup_signals()
260 	sigaddset(&act.sa_mask, SIGTERM);  in opd_setup_signals()
262 	if (sigaction(SIGUSR1, &act, NULL)) {  in opd_setup_signals()
267 	act.sa_handler = opd_sigusr2;  in opd_setup_signals()
268 	act.sa_flags = 0;  in opd_setup_signals()
269 	sigemptyset(&act.sa_mask);  in opd_setup_signals()
270 	sigaddset(&act.sa_mask, SIGTERM);  in opd_setup_signals()
272 	if (sigaction(SIGUSR2, &act, NULL)) {  in opd_setup_signals()