/* unlocks on return */
static int __poller_add_item(struct poller *p, struct poller_item *i, int has_lock) {
struct poller_item_int *ip;
unsigned int u;
struct epoll_event e;
if (!p || !i)
goto fail_lock;
if (i->fd < 0)
goto fail_lock;
if (!i->readable && !i->writeable)
goto fail_lock;
if (!i->closed)
goto fail_lock;
if (!has_lock)
mutex_lock(&p->lock);
if (i->fd < p->items_size && p->items[i->fd])
goto fail;
ZERO(e);
e.events = epoll_events(i, NULL);
e.data.fd = i->fd;
if (epoll_ctl(p->fd, EPOLL_CTL_ADD, i->fd, &e))
abort();
if (i->fd >= p->items_size) {
u = p->items_size;
p->items_size = i->fd + 1;
p->items = realloc(p->items, sizeof(*p->items) * p->items_size);
memset(p->items + u, 0, sizeof(*p->items) * (p->items_size - u - 1));
}
ip = obj_alloc0("poller_item_int", sizeof(*ip), poller_item_free);
memcpy(&ip->item, i, sizeof(*i));
obj_hold_o(ip->item.obj); /* new ref in *ip */
p->items[i->fd] = obj_get(ip);
mutex_unlock(&p->lock);
if (i->timer)
poller_add_timer(p, poller_fd_timer, &ip->obj);
obj_put(ip);
return 0;
fail:
mutex_unlock(&p->lock);
return -1;
fail_lock:
if (has_lock)
mutex_unlock(&p->lock);
return -1;
}
void dtls_timer(struct poller *p) {
poller_add_timer(p, __dtls_timer, NULL);
}
