From 50948e4ac24314d5a70404bbc592ffc28755ad9f Mon Sep 17 00:00:00 2001
From: Bram Moolenaar <Bram@vim.org>
Date: Tue, 29 Jan 2019 20:36:56 +0100
Subject: [PATCH] patch 8.1.0844: when timer fails test will hang forever

Problem:    When timer fails test will hang forever.
Solution:   Use reltime() to limit waiting time. (Ozaki Kiichi, closes #3878)
---
 src/testdir/test_timers.vim | 4 +++-
 src/version.c               | 2 ++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/testdir/test_timers.vim b/src/testdir/test_timers.vim
index 2cea3e47d..78ec00567 100644
--- a/src/testdir/test_timers.vim
+++ b/src/testdir/test_timers.vim
@@ -257,9 +257,11 @@ func Test_getchar_zero()
     return
   endif
 
+  " Measure the elapsed time to avoid a hang when it fails.
+  let start = reltime()
   let id = timer_start(20, {id -> feedkeys('x', 'L')})
   let c = 0
-  while c == 0
+  while c == 0 && reltimefloat(reltime(start)) < 0.2
     let c = getchar(0)
     sleep 10m
   endwhile
diff --git a/src/version.c b/src/version.c
index e78fde7df..cf7c47eb4 100644
--- a/src/version.c
+++ b/src/version.c
@@ -783,6 +783,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    844,
 /**/
     843,
 /**/
-- 
2.50.1