contrib/libevent/poll.c

115 poll_check_ok(struct pollop *pop)
120 	for (i = 0; i < pop->fd_count; ++i) {
121 		idx = pop->idxplus1_by_fd[i]-1;
124 		EVUTIL_ASSERT(pop->event_set[idx].fd == i);
126 	for (i = 0; i < pop->nfds; ++i) {
127 		struct pollfd *pfd = &pop->event_set[i];
128 		EVUTIL_ASSERT(pop->idxplus1_by_fd[pfd->fd] == i+1);
132 #define poll_check_ok(pop)
140 	struct pollop *pop = base->evbase;
143 	poll_check_ok(pop);
145 	nfds = pop->nfds;
154 		if (pop->realloc_copy) {
155 			struct pollfd *tmp = mm_realloc(pop->event_set_copy,
156 			    pop->event_count * sizeof(struct pollfd));
161 			pop->event_set_copy = tmp;
162 			pop->realloc_copy = 0;
164 		memcpy(pop->event_set_copy, pop->event_set,
166 		event_set = pop->event_set_copy;
168 		event_set = pop->event_set;
171 	event_set = pop->event_set;
232 	struct pollop *pop = base->evbase;
241 	poll_check_ok(pop);
242 	if (pop->nfds + 1 >= pop->event_count) {
246 		if (pop->event_count < 32)
249 			tmp_event_count = pop->event_count * 2;
252 		tmp_event_set = mm_realloc(pop->event_set,
258 		pop->event_set = tmp_event_set;
260 		pop->event_count = tmp_event_count;
261 		pop->realloc_copy = 1;
267 		pfd = &pop->event_set[i];
269 		i = pop->nfds++;
270 		pfd = &pop->event_set[i];
283 	poll_check_ok(pop);
295 	struct pollop *pop = base->evbase;
304 	poll_check_ok(pop);
310 	pfd = &pop->event_set[i];
317 	poll_check_ok(pop);
325 	--pop->nfds;
326 	if (i != pop->nfds) {
331 		memcpy(&pop->event_set[i], &pop->event_set[pop->nfds],
333 		idx = evmap_io_get_fdinfo_(&base->io, pop->event_set[i].fd);
335 		EVUTIL_ASSERT(idx->idxplus1 == pop->nfds + 1);
339 	poll_check_ok(pop);
346 	struct pollop *pop = base->evbase;
349 	if (pop->event_set)
350 		mm_free(pop->event_set);
351 	if (pop->event_set_copy)
352 		mm_free(pop->event_set_copy);
354 	memset(pop, 0, sizeof(struct pollop));
355 	mm_free(pop);