From 330374be9ede547c0ee32cda5a69fd78e1fb9c1b Mon Sep 17 00:00:00 2001
From: Erik van der Kouwe <erik@minix3.org>
Date: Sun, 20 Jun 2010 07:30:53 +0000
Subject: [PATCH] Fix unlikely race (or crawl?) condition in case going from
 alarm to ioctl takes more than 1 second

---
 commands/dhcpd/devices.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/commands/dhcpd/devices.c b/commands/dhcpd/devices.c
index a0b758505..9a39177f2 100644
--- a/commands/dhcpd/devices.c
+++ b/commands/dhcpd/devices.c
@@ -96,6 +96,7 @@ void closefd(fd_t *fdp)
 static void timeout(int signum)
 {
     /* nothing to do, ioctl will be aborted automatically */
+    if (alarm(1) < 0) fatal("alarm(1)");
 }
 
 int opendev(network_t *np, fdtype_t fdtype, int compete)
-- 
2.44.0