+ if (pevt->portev_events & (POLLERR|POLLHUP)) {
+ res = EV_READ | EV_WRITE;
+ } else {
+ if (pevt->portev_events & POLLIN)
+ res |= EV_READ;
+ if (pevt->portev_events & POLLOUT)
+ res |= EV_WRITE;
+ }
+
+ /*
+ * Check for the error situations or a hangup situation
+ */
+ if (pevt->portev_events & (POLLERR|POLLHUP|POLLNVAL))
+ res |= EV_READ|EV_WRITE;