From 22fcc83edf1a7599a8a9d9302e3d2de395ca6508 Mon Sep 17 00:00:00 2001
From: "Richard M. Stallman" <rms@gnu.org>
Date: Sun, 4 Feb 1996 21:34:21 +0000
Subject: [PATCH] (vfork): Define as fork.

---
 src/s/freebsd.h | 4 ++++
 src/s/netbsd.h  | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/src/s/freebsd.h b/src/s/freebsd.h
index 772a760900..9a32b9bf57 100644
--- a/src/s/freebsd.h
+++ b/src/s/freebsd.h
@@ -88,3 +88,7 @@
 #include <sys/wait.h>
 #endif
 #define WRETCODE(w) (_W_INT(w) >> 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
diff --git a/src/s/netbsd.h b/src/s/netbsd.h
index b653566572..4ca4b4d688 100644
--- a/src/s/netbsd.h
+++ b/src/s/netbsd.h
@@ -61,3 +61,7 @@
 #define NO_MATHERR
 
 #define AMPERSAND_FULL_NAME
+
+/* Needed to avoid hanging when child process writes an error message
+   and exits -- enami tsugutomo <enami@ba2.so-net.or.jp>.  */
+#define vfork fork
-- 
2.20.1