1 files changed, 5 insertions, 0 deletions

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