215     int evsignal, void (__cdecl *handler)(int))  in evsig_set_handler_()  argument
229 	if (evsignal >= sig->sh_old_max) {  in evsig_set_handler_()
230 		int new_max = evsignal + 1;  in evsig_set_handler_()
232 			    __func__, evsignal, sig->sh_old_max));  in evsig_set_handler_()
247 	sig->sh_old[evsignal] = mm_malloc(sizeof *sig->sh_old[evsignal]);  in evsig_set_handler_()
248 	if (sig->sh_old[evsignal] == NULL) {  in evsig_set_handler_()
260 	if (sigaction(evsignal, &sa, sig->sh_old[evsignal]) == -1) {  in evsig_set_handler_()
262 		mm_free(sig->sh_old[evsignal]);  in evsig_set_handler_()
263 		sig->sh_old[evsignal] = NULL;  in evsig_set_handler_()
267 	if ((sh = signal(evsignal, handler)) == SIG_ERR) {  in evsig_set_handler_()
269 		mm_free(sig->sh_old[evsignal]);  in evsig_set_handler_()
270 		sig->sh_old[evsignal] = NULL;  in evsig_set_handler_()
273 	*sig->sh_old[evsignal] = sh;  in evsig_set_handler_()
280 evsig_add(struct event_base *base, evutil_socket_t evsignal, short old, short events, void *p)  in evsig_add()  argument
285 	EVUTIL_ASSERT(evsignal >= 0 && evsignal < NSIG);  in evsig_add()
303 	event_debug(("%s: %d: changing signal handler", __func__, (int)evsignal));  in evsig_add()
304 	if (evsig_set_handler_(base, (int)evsignal, evsig_handler) == -1) {  in evsig_add()
326 evsig_restore_handler_(struct event_base *base, int evsignal)  in evsig_restore_handler_()  argument
336 	if (evsignal >= sig->sh_old_max) {  in evsig_restore_handler_()
343 	sh = sig->sh_old[evsignal];  in evsig_restore_handler_()
344 	sig->sh_old[evsignal] = NULL;  in evsig_restore_handler_()
346 	if (sigaction(evsignal, sh, NULL) == -1) {  in evsig_restore_handler_()
351 	if (signal(evsignal, *sh) == SIG_ERR) {  in evsig_restore_handler_()
363 evsig_del(struct event_base *base, evutil_socket_t evsignal, short old, short events, void *p)  in evsig_del()  argument
365 	EVUTIL_ASSERT(evsignal >= 0 && evsignal < NSIG);  in evsig_del()
368 		__func__, EV_SOCK_ARG(evsignal)));  in evsig_del()
375 	return (evsig_restore_handler_(base, (int)evsignal));  in evsig_del()