Set fd to writable when poll(2) detects POLLERR or POLLHUP event. #520

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2 src/ae.c
@@ -385,6 +385,8 @@ int aeWait(int fd, int mask, long long milliseconds) {
if ((retval = poll(&pfd, 1, milliseconds))== 1) {
if (pfd.revents & POLLIN) retmask |= AE_READABLE;
if (pfd.revents & POLLOUT) retmask |= AE_WRITABLE;
+ if (pfd.revents & POLLERR) retmask |= AE_WRITABLE;
+ if (pfd.revents & POLLHUP) retmask |= AE_WRITABLE;
return retmask;
} else {
return retval;