From a682354d57e94e92947119a6c14fe933195bdcff Mon Sep 17 00:00:00 2001
From: Hanoh Haim <hhaim@cisco.com>
Date: Sun, 27 Nov 2016 17:33:38 +0200
Subject: [PATCH] fix trex-277

Signed-off-by: Hanoh Haim <hhaim@cisco.com>
---
 src/utl_term_io.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/utl_term_io.cpp b/src/utl_term_io.cpp
index 8e561188..e45aeebd 100755
--- a/src/utl_term_io.cpp
+++ b/src/utl_term_io.cpp
@@ -78,6 +78,13 @@ int utl_termio_init(){
     atexit(exit_handler1);
     save_termio();
     set_conio_terminal_mode();
+
+    /* stdout is non-blocking */
+    int fd = fileno(stdout);
+    int f = fcntl(fd, F_GETFL, 0);
+    f |= O_NONBLOCK;
+    fcntl(fd, F_SETFL, f);
+
     return (0);
 }
 
-- 
2.16.6