113 static void __cdecl evsig_handler(int sig);
123 	evsig_base_n_signals_added = base->sig.ev_n_signals_added;  in evsig_set_base()
124 	evsig_base_fd = base->sig.ev_signal_pair[0];  in evsig_set_base()
154 			ev_uint8_t sig = signals[i];  in evsig_cb()  local
155 			if (sig < NSIG)  in evsig_cb()
156 				ncaught[sig]++;  in evsig_cb()
177 		    AF_UNIX, SOCK_STREAM, 0, base->sig.ev_signal_pair) == -1) {  in evsig_init()
188 	evutil_make_socket_closeonexec(base->sig.ev_signal_pair[0]);  in evsig_init()
189 	evutil_make_socket_closeonexec(base->sig.ev_signal_pair[1]);  in evsig_init()
190 	base->sig.sh_old = NULL;  in evsig_init()
191 	base->sig.sh_old_max = 0;  in evsig_init()
193 	evutil_make_socket_nonblocking(base->sig.ev_signal_pair[0]);  in evsig_init()
194 	evutil_make_socket_nonblocking(base->sig.ev_signal_pair[1]);  in evsig_init()
196 	event_assign(&base->sig.ev_signal, base, base->sig.ev_signal_pair[1],  in evsig_init()
199 	base->sig.ev_signal.ev_flags |= EVLIST_INTERNAL;  in evsig_init()
200 	event_priority_set(&base->sig.ev_signal, 0);  in evsig_init()
218 	struct evsig_info *sig = &base->sig;  in _evsig_set_handler()  local
225 	if (evsignal >= sig->sh_old_max) {  in _evsig_set_handler()
228 			    __func__, evsignal, sig->sh_old_max));  in _evsig_set_handler()
229 		p = mm_realloc(sig->sh_old, new_max * sizeof(*sig->sh_old));  in _evsig_set_handler()
235 		memset((char *)p + sig->sh_old_max * sizeof(*sig->sh_old),  in _evsig_set_handler()
236 		    0, (new_max - sig->sh_old_max) * sizeof(*sig->sh_old));  in _evsig_set_handler()
238 		sig->sh_old_max = new_max;  in _evsig_set_handler()
239 		sig->sh_old = p;  in _evsig_set_handler()
243 	sig->sh_old[evsignal] = mm_malloc(sizeof *sig->sh_old[evsignal]);  in _evsig_set_handler()
244 	if (sig->sh_old[evsignal] == NULL) {  in _evsig_set_handler()
256 	if (sigaction(evsignal, &sa, sig->sh_old[evsignal]) == -1) {  in _evsig_set_handler()
258 		mm_free(sig->sh_old[evsignal]);  in _evsig_set_handler()
259 		sig->sh_old[evsignal] = NULL;  in _evsig_set_handler()
265 		mm_free(sig->sh_old[evsignal]);  in _evsig_set_handler()
266 		sig->sh_old[evsignal] = NULL;  in _evsig_set_handler()
269 	*sig->sh_old[evsignal] = sh;  in _evsig_set_handler()
278 	struct evsig_info *sig = &base->sig;  in evsig_add()  local
295 	evsig_base_n_signals_added = ++sig->ev_n_signals_added;  in evsig_add()
296 	evsig_base_fd = base->sig.ev_signal_pair[0];  in evsig_add()
305 	if (!sig->ev_signal_added) {  in evsig_add()
306 		if (event_add(&sig->ev_signal, NULL))  in evsig_add()
308 		sig->ev_signal_added = 1;  in evsig_add()
316 	--sig->ev_n_signals_added;  in evsig_add()
325 	struct evsig_info *sig = &base->sig;  in _evsig_restore_handler()  local
333 	sh = sig->sh_old[evsignal];  in _evsig_restore_handler()
334 	sig->sh_old[evsignal] = NULL;  in _evsig_restore_handler()
362 	--base->sig.ev_n_signals_added;  in evsig_del()
369 evsig_handler(int sig)  in evsig_handler()  argument
380 			__func__, sig);  in evsig_handler()
385 	signal(sig, evsig_handler);  in evsig_handler()
389 	msg = sig;  in evsig_handler()
401 	if (base->sig.ev_signal_added) {  in evsig_dealloc()
402 		event_del(&base->sig.ev_signal);  in evsig_dealloc()
403 		base->sig.ev_signal_added = 0;  in evsig_dealloc()
407 	event_debug_unassign(&base->sig.ev_signal);  in evsig_dealloc()
410 		if (i < base->sig.sh_old_max && base->sig.sh_old[i] != NULL)  in evsig_dealloc()
421 	if (base->sig.ev_signal_pair[0] != -1) {  in evsig_dealloc()
422 		evutil_closesocket(base->sig.ev_signal_pair[0]);  in evsig_dealloc()
423 		base->sig.ev_signal_pair[0] = -1;  in evsig_dealloc()
425 	if (base->sig.ev_signal_pair[1] != -1) {  in evsig_dealloc()
426 		evutil_closesocket(base->sig.ev_signal_pair[1]);  in evsig_dealloc()
427 		base->sig.ev_signal_pair[1] = -1;  in evsig_dealloc()
429 	base->sig.sh_old_max = 0;  in evsig_dealloc()
432 	if (base->sig.sh_old) {  in evsig_dealloc()
433 		mm_free(base->sig.sh_old);  in evsig_dealloc()
434 		base->sig.sh_old = NULL;  in evsig_dealloc()