Fix a bug where the stream would not close if no data was received

Author: Keno

src/unix/pipe.c

@@ -129,14 +129,14 @@ int uv_pipe_link(uv_pipe_t *read, uv_pipe_t *write) {
       uv__nonblock(fds[1], 1);
   }
 
-  err = uv__stream_open((uv_stream_t*)read, fds[0], 0);
+  err = uv__stream_open((uv_stream_t*)read, fds[0], UV_STREAM_READABLE);
   if (err) {
       close(fds[0]);
       close(fds[1]);
       goto pipe_error;
   }
 
-  err = uv__stream_open((uv_stream_t*)write, fds[1], 0);
+  err = uv__stream_open((uv_stream_t*)write, fds[1], UV_STREAM_WRITABLE);
   if (err) {
       uv_pipe_close_sync(read);
       close(fds[0]);

src/unix/stream.c

@@ -1209,10 +1209,10 @@ static void uv__stream_io(uv_loop_t* loop, uv__io_t* w, unsigned int events) {
    * have to do anything. If the partial read flag is not set, we can't
    * report the EOF yet because there is still data to read.
    */
-  if ((events & UV__POLLHUP) &&
-      (stream->flags & UV_STREAM_READING) &&
+  if ((events & UV__POLLHUP) && ((events == UV__POLLHUP) ||
+      ((stream->flags & UV_STREAM_READING) &&
       (stream->flags & UV_STREAM_READ_PARTIAL) &&
-      !(stream->flags & UV_STREAM_READ_EOF)) {
+      !(stream->flags & UV_STREAM_READ_EOF)))) {
     uv_buf_t buf = { NULL, 0 };
     uv__stream_eof(stream, &buf);
   }