From 7a7b034482b1ecf4f9924160757339958f1f95d1 Mon Sep 17 00:00:00 2001
From: Denys Vlasenko <vda.linux@googlemail.com>
Date: Fri, 4 Dec 2009 04:18:31 +0100
Subject: [PATCH] ash: re-enable SIGHUP on entry. Closes bug 771.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
---
 shell/ash.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/shell/ash.c b/shell/ash.c
index cf406a42e..5d0fc6d29 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -13016,6 +13016,10 @@ init(void)
 
 	/* from trap.c: */
 	signal(SIGCHLD, SIG_DFL);
+	/* bash re-enables SIGHUP which is SIG_IGNed on entry.
+	 * Try: "trap '' HUP; bash; echo RET" and type "kill -HUP $$"
+	 */
+        signal(SIGHUP, SIG_DFL);
 
 	/* from var.c: */
 	{