1314818Sngie/* $NetBSD: t_lock.c,v 1.2 2017/01/13 21:30:41 christos Exp $ */
2272343Sngie
3272343Sngie/*-
4272343Sngie * Copyright (c) 2002, 2008 The NetBSD Foundation, Inc.
5272343Sngie * All rights reserved.
6272343Sngie *
7272343Sngie * Redistribution and use in source and binary forms, with or without
8272343Sngie * modification, are permitted provided that the following conditions
9272343Sngie * are met:
10272343Sngie * 1. Redistributions of source code must retain the above copyright
11272343Sngie *    notice, this list of conditions and the following disclaimer.
12272343Sngie * 2. Redistributions in binary form must reproduce the above copyright
13272343Sngie *    notice, this list of conditions and the following disclaimer in the
14272343Sngie *    documentation and/or other materials provided with the distribution.
15272343Sngie *
16272343Sngie * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17272343Sngie * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18272343Sngie * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19272343Sngie * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20272343Sngie * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21272343Sngie * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22272343Sngie * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23272343Sngie * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24272343Sngie * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25272343Sngie * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26272343Sngie * POSSIBILITY OF SUCH DAMAGE.
27272343Sngie */
28272343Sngie
29272343Sngie#include <sys/cdefs.h>
30272343Sngie__COPYRIGHT("@(#) Copyright (c) 2008\
31272343Sngie The NetBSD Foundation, inc. All rights reserved.");
32314818Sngie__RCSID("$NetBSD: t_lock.c,v 1.2 2017/01/13 21:30:41 christos Exp $");
33272343Sngie
34272343Sngie#include <sys/time.h>
35272343Sngie
36272343Sngie#include <machine/lock.h>
37272343Sngie#include <signal.h>
38272343Sngie
39272343Sngie#include <atf-c.h>
40272343Sngie
41314818Sngie#include "h_macros.h"
42272343Sngie
43272343Sngie__cpu_simple_lock_t lk;
44272343Sngievolatile int handled = 0;
45272343Sngie
46272343Sngiestatic void
47272343Sngiehandler(int sig)
48272343Sngie{
49272343Sngie	handled = 1;
50272343Sngie	__cpu_simple_unlock(&lk);
51272343Sngie}
52272343Sngie
53272343SngieATF_TC(lock);
54272343SngieATF_TC_HEAD(lock, tc)
55272343Sngie{
56272343Sngie	atf_tc_set_md_var(tc, "timeout", "3");
57272343Sngie	atf_tc_set_md_var(tc, "descr",
58272343Sngie	    "Checks __cpu_simple_lock()/__cpu_simple_unlock()");
59272343Sngie}
60272343SngieATF_TC_BODY(lock, tc)
61272343Sngie{
62272343Sngie	struct itimerval itv;
63272343Sngie
64272343Sngie	__cpu_simple_lock_init(&lk);
65272343Sngie
66272343Sngie	REQUIRE_LIBC(signal(SIGVTALRM, handler), SIG_ERR);
67272343Sngie
68272343Sngie	itv.it_interval.tv_sec = 0;
69272343Sngie	itv.it_interval.tv_usec = 0;
70272343Sngie	itv.it_value.tv_sec = 1;
71272343Sngie	itv.it_value.tv_usec = 0;
72272343Sngie	RL(setitimer(ITIMER_VIRTUAL, &itv, NULL));
73272343Sngie
74272343Sngie	__cpu_simple_lock(&lk);
75272343Sngie	__cpu_simple_lock(&lk);
76272343Sngie
77272343Sngie	ATF_REQUIRE(handled);
78272343Sngie
79272343Sngie	__cpu_simple_unlock(&lk);
80272343Sngie}
81272343Sngie
82272343SngieATF_TP_ADD_TCS(tp)
83272343Sngie{
84272343Sngie	ATF_TP_ADD_TC(tp, lock);
85272343Sngie
86272343Sngie	return atf_no_error();
87272343Sngie}
88