From e815f93a66ea55524606037d3b32651018eb7e37 Mon Sep 17 00:00:00 2001
From: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Date: Thu, 14 May 2020 22:10:35 +0200
Subject: [PATCH] Revert "Drop millisleep(10) from xread() not only on Darwin"

This reverts commit 5461658d800667fbb3d5311a6b8fa9f5eced5c81.

It occurred the millisleep() might have been added still by Charles W.
Sullivan as a workaround for buggy USB serial hardware.  Restore it.

Link: https://github.com/HeyuX10Automation/heyu/issues/22
Signed-off-by: Janusz Krzysztofik <jmkrzyszt@gmail.com>
---
 xread.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/xread.c b/xread.c
index d46e51d..009630d 100644
--- a/xread.c
+++ b/xread.c
@@ -144,6 +144,9 @@ unsigned char *buf;
 		{
 		    break;
 		}
+#ifndef DARWIN
+                millisleep(10);  /* Added by CWS */
+#endif
 		continue;
 	    }
 	    if( (i < 0) && (i_am_relay != 1) )