61 	int	sig;  in iu_eh_create()  local
75 	for (sig = 0; sig < NSIG; sig++) {  in iu_eh_create()
76 		eh->iueh_sig_info[sig].iues_pending = B_FALSE;  in iu_eh_create()
77 		eh->iueh_sig_info[sig].iues_handler = NULL;  in iu_eh_create()
78 		eh->iueh_sig_info[sig].iues_data = NULL;  in iu_eh_create()
96 	int	sig;  in iu_eh_destroy()  local
98 	for (sig = 0; sig < NSIG; sig++)  in iu_eh_destroy()
99 		if (signal_to_eh[sig] == eh)  in iu_eh_destroy()
100 			(void) iu_eh_unregister_signal(eh, sig, NULL);  in iu_eh_destroy()
274 	int		n_lit, timeout, sig, saved_errno;  in iu_handle_events()  local
299 			for (sig = 0; sig < NSIG; sig++) {  in iu_handle_events()
300 				if (eh->iueh_sig_info[sig].iues_pending) {  in iu_handle_events()
301 					eh->iueh_sig_info[sig].iues_pending =  in iu_handle_events()
303 					eh->iueh_sig_info[sig].iues_handler(eh,  in iu_handle_events()
304 					    sig,  in iu_handle_events()
305 					    eh->iueh_sig_info[sig].iues_data);  in iu_handle_events()
366 post_signal(int sig)  in post_signal()  argument
368 	if (signal_to_eh[sig] != NULL)  in post_signal()
369 		signal_to_eh[sig]->iueh_sig_info[sig].iues_pending = B_TRUE;  in post_signal()
383 iu_eh_register_signal(iu_eh_t *eh, int sig, iu_eh_sighandler_t *handler,  in iu_eh_register_signal()  argument
388 	if (sig < 0 || sig >= NSIG || signal_to_eh[sig] != NULL)  in iu_eh_register_signal()
394 	(void) sigaddset(&act.sa_mask, sig); /* used for sigprocmask() */  in iu_eh_register_signal()
396 	if (sigaction(sig, &act, NULL) == -1)  in iu_eh_register_signal()
401 	eh->iueh_sig_info[sig].iues_data = data;  in iu_eh_register_signal()
402 	eh->iueh_sig_info[sig].iues_handler = handler;  in iu_eh_register_signal()
403 	signal_to_eh[sig] = eh;  in iu_eh_register_signal()
405 	(void) sigaddset(&eh->iueh_sig_regset, sig);  in iu_eh_register_signal()
420 iu_eh_unregister_signal(iu_eh_t *eh, int sig, void **datap)  in iu_eh_unregister_signal()  argument
424 	if (sig < 0 || sig >= NSIG || signal_to_eh[sig] != eh)  in iu_eh_unregister_signal()
427 	if (signal(sig, SIG_DFL) == SIG_ERR)  in iu_eh_unregister_signal()
431 		*datap = eh->iueh_sig_info[sig].iues_data;  in iu_eh_unregister_signal()
434 	(void) sigaddset(&set, sig);  in iu_eh_unregister_signal()
437 	eh->iueh_sig_info[sig].iues_data = NULL;  in iu_eh_unregister_signal()
438 	eh->iueh_sig_info[sig].iues_handler = NULL;  in iu_eh_unregister_signal()
439 	eh->iueh_sig_info[sig].iues_pending = B_FALSE;  in iu_eh_unregister_signal()
440 	signal_to_eh[sig] = NULL;  in iu_eh_unregister_signal()
442 	(void) sigdelset(&eh->iueh_sig_regset, sig);  in iu_eh_unregister_signal()