195 	struct sigaction nsa;  in do_default_handler()
196 	struct sigaction osa;  in do_default_handler()
205 	(void)sigaction(signo, &nsa, &osa);  in do_default_handler()
214 	(void)sigaction(signo, &osa, NULL);  in do_default_handler()
266 	struct sigaction sa;  in sig_setup()
267 	struct sigaction osa;  in sig_setup()
289 	(void)sigaction(SIGTSTP, &sa, NULL);  in sig_setup()
290 	(void)sigaction(SIGTTIN, &sa, NULL);  in sig_setup()
291 	(void)sigaction(SIGTTOU, &sa, NULL);  in sig_setup()
305 	if (sigaction(SIGHUP, &sa, &osa) != -1 && osa.sa_handler == SIG_IGN)  in sig_setup()
308 	if (sigaction(SIGINT, &sa, &osa) != -1 && osa.sa_handler == SIG_IGN)  in sig_setup()
326 	(void)sigaction(SIGPIPE, &sa, NULL);  in sig_setup()
376 sig_ignore(int sig, struct sigaction *osa, sigset_t *oset)  in sig_ignore()
378 	struct sigaction act;  in sig_ignore()
385 	error = sigaction(sig, &act, osa);  in sig_ignore()
401 sig_restore(int sig, struct sigaction *osa, sigset_t *oset)  in sig_restore()
409 		error = sigaction(sig, osa, NULL);  in sig_restore()
420 sig_setflags(int signo, int flags, struct sigaction *osa)  in sig_setflags()
422 	struct sigaction sa;  in sig_setflags()
424 	if (sigaction(signo, NULL, &sa) == -1)  in sig_setflags()
429 	return sigaction(signo, &sa, NULL);  in sig_setflags()