static unsigned int
_poll_setup_pollfds(struct pollfd *pfds, eio_obj_t *map[], List l)
{
ListIterator i = list_iterator_create(l);
eio_obj_t *obj = NULL;
unsigned int nfds = 0;
bool readable, writable;
while ((obj = list_next(i))) {
writable = _is_writable(obj);
readable = _is_readable(obj);
if (writable && readable) {
pfds[nfds].fd = obj->fd;
pfds[nfds].events = POLLOUT | POLLIN;
map[nfds] = obj;
nfds++;
} else if (readable) {
pfds[nfds].fd = obj->fd;
pfds[nfds].events = POLLIN;
map[nfds] = obj;
nfds++;
} else if (writable) {
pfds[nfds].fd = obj->fd;
pfds[nfds].events = POLLOUT;
map[nfds] = obj;
nfds++;
}
}
list_iterator_destroy(i);
return nfds;
}
static unsigned int
_poll_setup_pollfds(struct pollfd *pfds, eio_obj_t *map[], List l)
{
ListIterator i = list_iterator_create(l);
eio_obj_t *obj = NULL;
unsigned int nfds = 0;
bool readable, writable;
if (!pfds) { /* Fix for CLANG false positive */
fatal("pollfd data structure is null");
return nfds;
}
while ((obj = list_next(i))) {
writable = _is_writable(obj);
readable = _is_readable(obj);
if (writable && readable) {
pfds[nfds].fd = obj->fd;
#ifdef POLLRDHUP
/* Available since Linux 2.6.17 */
pfds[nfds].events = POLLOUT | POLLIN |
POLLHUP | POLLRDHUP;
#else
pfds[nfds].events = POLLOUT | POLLIN | POLLHUP;
#endif
map[nfds] = obj;
nfds++;
} else if (readable) {
pfds[nfds].fd = obj->fd;
#ifdef POLLRDHUP
/* Available since Linux 2.6.17 */
pfds[nfds].events = POLLIN | POLLRDHUP;
#else
pfds[nfds].events = POLLIN;
#endif
map[nfds] = obj;
nfds++;
} else if (writable) {
pfds[nfds].fd = obj->fd;
pfds[nfds].events = POLLOUT | POLLHUP;
map[nfds] = obj;
nfds++;
}
}
list_iterator_destroy(i);
return nfds;
}
