From 550147fd67f03aba27545b80d4b62d3fd3a6ed39 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sa=C3=BAl=20Ibarra=20Corretg=C3=A9?= <saghul@gmail.com>
Date: Mon, 12 Jan 2015 16:59:50 +0100
Subject: [PATCH] unix: make setting the tty mode to the same value a no-op

Closes #131

PR-URL: https://github.com/libuv/libuv/pull/132
Reviewed-By: Bert Belder <bertbelder@gmail.com>
---
 src/unix/tty.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/unix/tty.c b/src/unix/tty.c
index 068025ea..191964da 100644
--- a/src/unix/tty.c
+++ b/src/unix/tty.c
@@ -108,8 +108,10 @@ int uv_tty_set_mode(uv_tty_t* tty, uv_tty_mode_t mode) {
   struct termios tmp;
   int fd;
 
-  fd = uv__stream_fd(tty);
+  if (tty->mode == mode)
+    return 0;
 
+  fd = uv__stream_fd(tty);
   if (tty->mode == UV_TTY_MODE_NORMAL && mode != UV_TTY_MODE_NORMAL) {
     if (tcgetattr(fd, &tty->orig_termios))
       return -errno;