From 89d10726a657190ab2410baa64887901c424f99c Mon Sep 17 00:00:00 2001
From: Kenneth J Davis <PerditionC@gmail.com>
Date: Sun, 21 Nov 2004 13:37:52 +0000
Subject: [PATCH] from Bart, invoke DOS idle int 28h for int21/ah=6/dl=ff if
 busy waiting on input

git-svn-id: https://svn.code.sf.net/p/freedos/svn/kernel/trunk@1066 6ac86273-5f31-0410-b378-82cca8765d1b
---
 kernel/inthndlr.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/kernel/inthndlr.c b/kernel/inthndlr.c
index 3d0c90e..456ed5d 100644
--- a/kernel/inthndlr.c
+++ b/kernel/inthndlr.c
@@ -467,8 +467,10 @@ dispatch:
 
       lr.AL = 0x00;
       r->FLAGS |= FLG_ZERO;
-      if (StdinBusy())
+      if (StdinBusy()) {
+        DosIdle_int();
         break;
+      }
 
       r->FLAGS &= ~FLG_ZERO;
       /* fall through */