299 	struct sigaction sact;  in dochild()  local
300 	sact.sa_flags = 0;  in dochild()
301 	sact.sa_handler = catch_int;  in dochild()
302 	sigemptyset(&sact.sa_mask);  in dochild()
303 	(void)sigaction(SIGUSR1, &sact, NULL);  in dochild()
402 	struct sigaction sact;  in setup()  local
425 	memset(&sact, 0, sizeof(sact));  in setup()
426 	sact.sa_handler = catch_usr1;  in setup()
427 	sigemptyset(&sact.sa_mask);  in setup()
428 	sigaddset(&sact.sa_mask, SIGUSR1);  in setup()
429 	sigaction(SIGUSR1, &sact, NULL);  in setup()
431 	memset(&sact, 0, sizeof(sact));  in setup()
432 	sact.sa_handler = catch_usr2;  in setup()
433 	sigemptyset(&sact.sa_mask);  in setup()
434 	sigaddset(&sact.sa_mask, SIGUSR2);  in setup()
435 	sigaction(SIGUSR2, &sact, NULL);  in setup()
437 	memset(&sact, 0, sizeof(sact));  in setup()
438 	sact.sa_handler = catch_alarm;  in setup()
439 	sigemptyset(&sact.sa_mask);  in setup()
440 	sigaddset(&sact.sa_mask, SIGALRM);  in setup()
441 	sigaction(SIGALRM, &sact, NULL);  in setup()