From 15e1f376a46a19fed0fe46796ccdf0d54430444d Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Sun, 21 Aug 2022 11:37:54 +0530
Subject: [PATCH] EINTR safe function to get tty size

---
 tools/utils/tty.go | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/tools/utils/tty.go b/tools/utils/tty.go
index 0473a2a65..0bedfb737 100644
--- a/tools/utils/tty.go
+++ b/tools/utils/tty.go
@@ -302,3 +302,12 @@ func (self *Term) WriteFromReader(r Reader, read_timeout time.Duration, write_ti
 		buf = buf[:0]
 	}
 }
+
+func (self *Term) GetSize() (*unix.Winsize, error) {
+	for {
+		sz, err := unix.IoctlGetWinsize(self.fd, unix.TIOCGWINSZ)
+		if err != unix.EINTR {
+			return sz, err
+		}
+	}
+}