ash: re-enable SIGHUP on entry. Closes bug 771.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-12-04 04:18:31 +01:00 · 2009-12-04 04:18:31 +01:00 · 7a7b034482
commit 7a7b034482
parent 6b5accbfc1
1 changed files with 4 additions and 0 deletions
--- 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: */
 	{