From 72b3ca0ccb25ee873fc0c49f304b6be90269ec51 Mon Sep 17 00:00:00 2001
From: Michal Semeniuk <michal.jozef.semeniuk@gmail.com>
Date: Sun, 14 Nov 2021 11:14:13 +0100
Subject: [PATCH] Flush output stream after printing state of control lines.

---
 tty.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tty.c b/tty.c
index ce8fe09..1ae0f74 100644
--- a/tty.c
+++ b/tty.c
@@ -56,6 +56,7 @@ static void ttyControlWrite(FILE *output,int control) {
 		control&TIOCM_RI?1:0,
 		control&TIOCM_DSR?1:0
 	);
+	fflush(output);
 }
 
 static void ttyClose(int fd) {