From 1f5e29c9569b2ebee3528eac0363bd7f03ff5372 Mon Sep 17 00:00:00 2001
From: Bill Fenner <fenner@FreeBSD.org>
Date: Wed, 27 Feb 2002 22:45:10 +0000
Subject: [PATCH] Use SIGUSR1 to propogate SIGURG to the child; security
 measures prevent  the parent from sending SIGURG itself to the child.  This
 fixes the  problem of occasionally failing to pass the window size.

---
 usr.bin/rlogin/rlogin.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/usr.bin/rlogin/rlogin.c b/usr.bin/rlogin/rlogin.c
index 13782b4fe828..9bbf2a493d79 100644
--- a/usr.bin/rlogin/rlogin.c
+++ b/usr.bin/rlogin/rlogin.c
@@ -773,6 +773,7 @@ reader(omask)
 #endif
 	(void)signal(SIGTTOU, SIG_IGN);
 	(void)signal(SIGURG, oob);
+	(void)signal(SIGUSR1, oob); /* When propogating SIGURG from parent */
 	ppid = getppid();
 	(void)fcntl(rem, F_SETOWN, pid);
 	(void)setjmp(rcvtop);
@@ -864,12 +865,12 @@ lostpeer(signo)
 	done(1);
 }
 
-/* copy SIGURGs to the child process. */
+/* copy SIGURGs to the child process via SIGUSR1. */
 void
 copytochild(signo)
 	int signo;
 {
-	(void)kill(child, SIGURG);
+	(void)kill(child, SIGUSR1);
 }
 
 void