- ret = select(c->fd + 1, &rfds, &wfds, 0, 0);
+#if USE_POLL
+ ret = poll(&fd, 1, -1);
+ /* If poll() returns an event we didn't expect, such as POLLNVAL, treat
+ * it as if it failed. */
+ if(ret >= 0 && (fd.revents & ~fd.events))
+ {
+ ret = -1;
+ break;
+ }
+#else
+ ret = select(c->fd + 1, &rfds, &wfds, 0, 0);
+#endif