[src/trunk]: src/tests/lib/libc/sys Add a test for PR/45618: Motoyuki OHMORI:...

[christos <christos%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/22ac54cb9ba7
branches:  trunk
changeset: 771255:22ac54cb9ba7
user:      christos <christos%NetBSD.org@localhost>
date:      Thu Nov 17 01:14:12 2011 +0000

description:
Add a test for PR/45618: Motoyuki OHMORI: kqueue EVFILT_TIMER with smaller
timeout value makes kernel busy or panic

diffstat:

 tests/lib/libc/sys/Makefile   |   3 +-
 tests/lib/libc/sys/t_kevent.c |  68 +++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 70 insertions(+), 1 deletions(-)

diffs (89 lines):

diff -r 228be9cf67f6 -r 22ac54cb9ba7 tests/lib/libc/sys/Makefile
--- a/tests/lib/libc/sys/Makefile       Wed Nov 16 22:43:27 2011 +0000
+++ b/tests/lib/libc/sys/Makefile       Thu Nov 17 01:14:12 2011 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.19 2011/11/05 18:19:01 jruoho Exp $
+# $NetBSD: Makefile,v 1.20 2011/11/17 01:14:12 christos Exp $
 
 MKMAN= no
 
@@ -24,6 +24,7 @@
 TESTS_C+=              t_getsid
 TESTS_C+=              t_gettimeofday
 TESTS_C+=              t_issetugid
+TESTS_C+=              t_kevent
 TESTS_C+=              t_kill
 TESTS_C+=              t_link
 TESTS_C+=              t_listen
diff -r 228be9cf67f6 -r 22ac54cb9ba7 tests/lib/libc/sys/t_kevent.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/lib/libc/sys/t_kevent.c     Thu Nov 17 01:14:12 2011 +0000
@@ -0,0 +1,68 @@
+/*     $NetBSD: t_kevent.c,v 1.1 2011/11/17 01:14:12 christos Exp $ */
+
+/*-
+ * Copyright (c) 2011 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundatiom
+ * by Christos Zoulas.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <sys/cdefs.h>
+__RCSID("$NetBSD: t_kevent.c,v 1.1 2011/11/17 01:14:12 christos Exp $");
+
+#include <time.h>
+#include <stdio.h>
+
+#include <sys/types.h>
+#include <sys/event.h>
+
+#include <atf-c.h>
+
+ATF_TC(kevent_zerotimer);
+ATF_TC_HEAD(kevent_zerotimer, tc)
+{
+
+       /* Cf. PR lib/45618. */
+       atf_tc_set_md_var(tc, "descr", "Checks that kevent with a 0 timer "
+           "does not crash the system");
+}
+
+ATF_TC_BODY(kevent_zerotimer, tc)
+{
+       struct kevent ev;
+       int kq;
+       
+       ATF_REQUIRE((kq = kqueue()) != -1);
+       EV_SET(&ev, 1, EVFILT_TIMER, EV_ADD|EV_ENABLE, 0, 1, 0);
+       ATF_REQUIRE(kevent(kq, &ev, 1, NULL, 0, NULL) != -1);
+       ATF_REQUIRE(kevent(kq, NULL, 0, &ev, 1, NULL) == 1);
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+
+       ATF_TP_ADD_TC(tp, kevent_zerotimer);
+
+       return atf_no_error();
+}