ext/libuv/src/unix/stream.c in libuv-3.0.1 vs ext/libuv/src/unix/stream.c in libuv-3.1.0

@@ -1219,11 +1219,10 @@
          "uv_shutdown (unix) only supports uv_handle_t right now");
 
   if (!(stream->flags & UV_STREAM_WRITABLE) ||
       stream->flags & UV_STREAM_SHUT ||
       stream->flags & UV_STREAM_SHUTTING ||
-      stream->flags & UV_CLOSED ||
-      stream->flags & UV_CLOSING) {
+      uv__is_closing(stream)) {
     return -ENOTCONN;
   }
 
   assert(uv__stream_fd(stream) >= 0);