From 5007eafa5e5d88991afbd6e7232ca37cf608149b Mon Sep 17 00:00:00 2001
From: Kris Kennaway <kris@FreeBSD.org>
Date: Tue, 24 Jul 2001 05:41:13 +0000
Subject: [PATCH] Save errno in signal handler

Obtained from:	OpenBSD
MFC After:	1 week
---
 libexec/talkd/talkd.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libexec/talkd/talkd.c b/libexec/talkd/talkd.c
index ca30ef725f13..551fd5b3be91 100644
--- a/libexec/talkd/talkd.c
+++ b/libexec/talkd/talkd.c
@@ -132,8 +132,10 @@ main(argc, argv)
 void
 timeout()
 {
+	int save_errno = errno;
 
 	if (time(0) - lastmsgtime >= MAXIDLE)
 		_exit(0);
 	alarm(TIMEOUT);
+	errno = save_errno;
 }