From b68f1a63fe249a5f5dc182d869625971838ddbd9 Mon Sep 17 00:00:00 2001
From: "Richard M. Stallman" <rms@gnu.org>
Date: Sun, 9 Jun 1996 20:14:44 +0000
Subject: [PATCH] (DONT_REOPEN_PTY): New definition.

---
 src/s/freebsd.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/s/freebsd.h b/src/s/freebsd.h
index 9a32b9bf57d..ecfa869593f 100644
--- a/src/s/freebsd.h
+++ b/src/s/freebsd.h
@@ -92,3 +92,8 @@
 /* Needed to avoid hanging when child process writes an error message
    and exits -- enami tsugutomo <enami@ba2.so-net.or.jp>.  */
 #define vfork fork
+
+/* Don't close pty in process.c to make it as controlling terminal.
+   It is already a controlling terminal of subprocess, because we did
+   ioctl TIOCSCTTY.  */
+#define DONT_REOPEN_PTY
-- 
2.39.2