110 static struct sigaction	sa;  variable
304 	sa.sa_handler = childcleanup;  in main()
305 	sa.sa_flags = 0;  in main()
306 	(void) sigemptyset(&sa.sa_mask);  in main()
307 	(void) sigaction(SIGTERM, &sa, NULL);  in main()
308 	(void) sigaction(SIGHUP, &sa, NULL);  in main()
309 	sa.sa_handler = parenthandler;  in main()
310 	sa.sa_flags = SA_SIGINFO;  in main()
311 	(void) sigemptyset(&sa.sa_mask);  in main()
312 	(void) sigaction(SIGUSR1, &sa, NULL);  in main()
314 	sa.sa_handler = SIG_IGN;  in main()
315 	sa.sa_flags = 0;  in main()
316 	(void) sigemptyset(&sa.sa_mask);  in main()
317 	(void) sigaction(SIGCHLD, &sa, NULL);  in main()
434 	sa.sa_handler = noop;  in setupsigs()
435 	sa.sa_flags = 0;  in setupsigs()
436 	(void) sigemptyset(&sa.sa_mask);  in setupsigs()
437 	(void) sigaction(SIGINT, &sa, NULL);  in setupsigs()
438 	(void) sigaction(SIGQUIT, &sa, NULL);  in setupsigs()
440 	sa.sa_handler = termhandler;  in setupsigs()
441 	sa.sa_flags = 0;  in setupsigs()
442 	(void) sigemptyset(&sa.sa_mask);  in setupsigs()
443 	(void) sigaction(SIGTERM, &sa, NULL);  in setupsigs()
444 	(void) sigaction(SIGKILL, &sa, NULL);  in setupsigs()
445 	(void) sigaction(SIGHUP, &sa, NULL);  in setupsigs()
758 	sa.sa_handler = SIG_IGN;  in parenthandler()
759 	sa.sa_flags = 0;  in parenthandler()
760 	(void) sigemptyset(&sa.sa_mask);  in parenthandler()
761 	(void) sigaction(SIGINT, &sa, NULL);  in parenthandler()
762 	(void) sigaction(SIGQUIT, &sa, NULL);  in parenthandler()
763 	(void) sigaction(SIGTERM, &sa, NULL);  in parenthandler()
802 		sa.sa_handler = SIG_IGN;  in termhandler()
803 		sa.sa_flags = 0;  in termhandler()
804 		(void) sigemptyset(&sa.sa_mask);  in termhandler()
805 		(void) sigaction(SIGINT, &sa, NULL);  in termhandler()
806 		(void) sigaction(SIGQUIT, &sa, NULL);  in termhandler()
807 		sa.sa_handler = SIG_DFL;  in termhandler()
808 		sa.sa_flags = 0;  in termhandler()
809 		(void) sigemptyset(&sa.sa_mask);  in termhandler()
810 		(void) sigaction(SIGTERM, &sa, NULL);  in termhandler()
811 		(void) sigaction(SIGHUP, &sa, NULL);  in termhandler()