From 1f6c9fd82202c14021d0e6aa3f5e4ad89877d2f8 Mon Sep 17 00:00:00 2001
From: "Justin M. Keyes" <justinkz@gmail.com>
Date: Thu, 1 Aug 2019 15:26:22 +0200
Subject: [PATCH] stream: log unwritten bytes, if any #10663

---
 src/nvim/event/stream.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/nvim/event/stream.c b/src/nvim/event/stream.c
index 7aaac0b03b..7c8014dead 100644
--- a/src/nvim/event/stream.c
+++ b/src/nvim/event/stream.c
@@ -113,6 +113,11 @@ void stream_close_handle(Stream *stream)
   FUNC_ATTR_NONNULL_ALL
 {
   if (stream->uvstream) {
+    if (uv_stream_get_write_queue_size(stream->uvstream) > 0) {
+      WLOG("closed Stream (%p) with %zu unwritten bytes",
+           (void *)stream,
+           uv_stream_get_write_queue_size(stream->uvstream));
+    }
     uv_close((uv_handle_t *)stream->uvstream, close_cb);
   } else {
     uv_close((uv_handle_t *)&stream->uv.idle, close_cb);