68 static void evsignal_handler(int sig);
106 		    AF_UNIX, SOCK_STREAM, 0, base->sig.ev_signal_pair) == -1) {  in evsignal_init()
117 	FD_CLOSEONEXEC(base->sig.ev_signal_pair[0]);  in evsignal_init()
118 	FD_CLOSEONEXEC(base->sig.ev_signal_pair[1]);  in evsignal_init()
119 	base->sig.sh_old = NULL;  in evsignal_init()
120 	base->sig.sh_old_max = 0;  in evsignal_init()
121 	base->sig.evsignal_caught = 0;  in evsignal_init()
122 	memset(&base->sig.evsigcaught, 0, sizeof(sig_atomic_t)*NSIG);  in evsignal_init()
125 		TAILQ_INIT(&base->sig.evsigevents[i]);  in evsignal_init()
127         evutil_make_socket_nonblocking(base->sig.ev_signal_pair[0]);  in evsignal_init()
129 	event_set(&base->sig.ev_signal, base->sig.ev_signal_pair[1],  in evsignal_init()
130 		EV_READ | EV_PERSIST, evsignal_cb, &base->sig.ev_signal);  in evsignal_init()
131 	base->sig.ev_signal.ev_base = base;  in evsignal_init()
132 	base->sig.ev_signal.ev_flags |= EVLIST_INTERNAL;  in evsignal_init()
148 	struct evsignal_info *sig = &base->sig;  in _evsignal_set_handler()  local
155 	if (evsignal >= sig->sh_old_max) {  in _evsignal_set_handler()
158 			    __func__, evsignal, sig->sh_old_max));  in _evsignal_set_handler()
159 		p = realloc(sig->sh_old, new_max * sizeof(*sig->sh_old));  in _evsignal_set_handler()
165 		memset((char *)p + sig->sh_old_max * sizeof(*sig->sh_old),  in _evsignal_set_handler()
166 		    0, (new_max - sig->sh_old_max) * sizeof(*sig->sh_old));  in _evsignal_set_handler()
168 		sig->sh_old_max = new_max;  in _evsignal_set_handler()
169 		sig->sh_old = p;  in _evsignal_set_handler()
173 	sig->sh_old[evsignal] = malloc(sizeof *sig->sh_old[evsignal]);  in _evsignal_set_handler()
174 	if (sig->sh_old[evsignal] == NULL) {  in _evsignal_set_handler()
186 	if (sigaction(evsignal, &sa, sig->sh_old[evsignal]) == -1) {  in _evsignal_set_handler()
188 		free(sig->sh_old[evsignal]);  in _evsignal_set_handler()
194 		free(sig->sh_old[evsignal]);  in _evsignal_set_handler()
197 	*sig->sh_old[evsignal] = sh;  in _evsignal_set_handler()
208 	struct evsignal_info *sig = &ev->ev_base->sig;  in evsignal_add()  local
214 	if (TAILQ_EMPTY(&sig->evsigevents[evsignal])) {  in evsignal_add()
223 		if (!sig->ev_signal_added) {  in evsignal_add()
224 			if (event_add(&sig->ev_signal, NULL))  in evsignal_add()
226 			sig->ev_signal_added = 1;  in evsignal_add()
231 	TAILQ_INSERT_TAIL(&sig->evsigevents[evsignal], ev, ev_signal_next);  in evsignal_add()
240 	struct evsignal_info *sig = &base->sig;  in _evsignal_restore_handler()  local
248 	sh = sig->sh_old[evsignal];  in _evsignal_restore_handler()
249 	sig->sh_old[evsignal] = NULL;  in _evsignal_restore_handler()
270 	struct evsignal_info *sig = &base->sig;  in evsignal_del()  local
276 	TAILQ_REMOVE(&sig->evsigevents[evsignal], ev, ev_signal_next);  in evsignal_del()
278 	if (!TAILQ_EMPTY(&sig->evsigevents[evsignal]))  in evsignal_del()
287 evsignal_handler(int sig)  in evsignal_handler()  argument
294 			__func__, sig);  in evsignal_handler()
298 	evsignal_base->sig.evsigcaught[sig]++;  in evsignal_handler()
299 	evsignal_base->sig.evsignal_caught = 1;  in evsignal_handler()
302 	signal(sig, evsignal_handler);  in evsignal_handler()
306 	send(evsignal_base->sig.ev_signal_pair[0], "a", 1, 0);  in evsignal_handler()
313 	struct evsignal_info *sig = &base->sig;  in evsignal_process()  local
318 	base->sig.evsignal_caught = 0;  in evsignal_process()
320 		ncalls = sig->evsigcaught[i];  in evsignal_process()
323 		sig->evsigcaught[i] -= ncalls;  in evsignal_process()
325 		for (ev = TAILQ_FIRST(&sig->evsigevents[i]);  in evsignal_process()
340 	if (base->sig.ev_signal_added) {  in evsignal_dealloc()
341 		event_del(&base->sig.ev_signal);  in evsignal_dealloc()
342 		base->sig.ev_signal_added = 0;  in evsignal_dealloc()
345 		if (i < base->sig.sh_old_max && base->sig.sh_old[i] != NULL)  in evsignal_dealloc()
349 	EVUTIL_CLOSESOCKET(base->sig.ev_signal_pair[0]);  in evsignal_dealloc()
350 	base->sig.ev_signal_pair[0] = -1;  in evsignal_dealloc()
351 	EVUTIL_CLOSESOCKET(base->sig.ev_signal_pair[1]);  in evsignal_dealloc()
352 	base->sig.ev_signal_pair[1] = -1;  in evsignal_dealloc()
353 	base->sig.sh_old_max = 0;  in evsignal_dealloc()
356 	free(base->sig.sh_old);  in evsignal_dealloc()