From 424c816118b18a915f7e57a05331d6c09b463034 Mon Sep 17 00:00:00 2001
From: Sylvain LAFRASSE <slymacdev@free.fr>
Date: Fri, 31 Aug 2018 13:13:58 +0200
Subject: [PATCH] Added O_NONBLOCK flag to open() call for macOS (10.13.6)
 compatibility.

---
 src/tty.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/tty.c b/src/tty.c
index 3713452..277127b 100644
--- a/src/tty.c
+++ b/src/tty.c
@@ -537,7 +537,7 @@ int tty_connect(void)
     int    status;
 
     /* Open tty device */
-    fd = open(option.tty_device, O_RDWR | O_NOCTTY );
+    fd = open(option.tty_device, O_RDWR | O_NOCTTY | O_NONBLOCK );
     if (fd < 0)
     {
         error_printf_silent("Could not open tty device (%s)", strerror(errno));