213     int evsignal, void (__cdecl *handler)(int))  in evsig_set_handler_()  argument
227 	if (evsignal >= sig->sh_old_max) {  in evsig_set_handler_()
228 		int new_max = evsignal + 1;  in evsig_set_handler_()
230 			    __func__, evsignal, sig->sh_old_max));  in evsig_set_handler_()
245 	sig->sh_old[evsignal] = mm_malloc(sizeof *sig->sh_old[evsignal]);  in evsig_set_handler_()
246 	if (sig->sh_old[evsignal] == NULL) {  in evsig_set_handler_()
258 	if (sigaction(evsignal, &sa, sig->sh_old[evsignal]) == -1) {  in evsig_set_handler_()
260 		mm_free(sig->sh_old[evsignal]);  in evsig_set_handler_()
261 		sig->sh_old[evsignal] = NULL;  in evsig_set_handler_()
265 	if ((sh = signal(evsignal, handler)) == SIG_ERR) {  in evsig_set_handler_()
267 		mm_free(sig->sh_old[evsignal]);  in evsig_set_handler_()
268 		sig->sh_old[evsignal] = NULL;  in evsig_set_handler_()
271 	*sig->sh_old[evsignal] = sh;  in evsig_set_handler_()
278 evsig_add(struct event_base *base, evutil_socket_t evsignal, short old, short events, void *p)  in evsig_add()  argument
283 	EVUTIL_ASSERT(evsignal >= 0 && evsignal < NSIG);  in evsig_add()
301 	event_debug(("%s: %d: changing signal handler", __func__, (int)evsignal));  in evsig_add()
302 	if (evsig_set_handler_(base, (int)evsignal, evsig_handler) == -1) {  in evsig_add()
324 evsig_restore_handler_(struct event_base *base, int evsignal)  in evsig_restore_handler_()  argument
334 	if (evsignal >= sig->sh_old_max) {  in evsig_restore_handler_()
341 	sh = sig->sh_old[evsignal];  in evsig_restore_handler_()
342 	sig->sh_old[evsignal] = NULL;  in evsig_restore_handler_()
344 	if (sigaction(evsignal, sh, NULL) == -1) {  in evsig_restore_handler_()
349 	if (signal(evsignal, *sh) == SIG_ERR) {  in evsig_restore_handler_()
361 evsig_del(struct event_base *base, evutil_socket_t evsignal, short old, short events, void *p)  in evsig_del()  argument
363 	EVUTIL_ASSERT(evsignal >= 0 && evsignal < NSIG);  in evsig_del()
366 		__func__, EV_SOCK_ARG(evsignal)));  in evsig_del()
373 	return (evsig_restore_handler_(base, (int)evsignal));  in evsig_del()