xref: /minix3/tests/kernel/t_lock.c (revision 11be35a165022172ed3cea20f2b5df0307540b0e)
1*11be35a1SLionel Sambuc /* $NetBSD: t_lock.c,v 1.1 2009/02/20 21:39:57 jmmv Exp $ */
2*11be35a1SLionel Sambuc 
3*11be35a1SLionel Sambuc /*-
4*11be35a1SLionel Sambuc  * Copyright (c) 2002, 2008 The NetBSD Foundation, Inc.
5*11be35a1SLionel Sambuc  * All rights reserved.
6*11be35a1SLionel Sambuc  *
7*11be35a1SLionel Sambuc  * Redistribution and use in source and binary forms, with or without
8*11be35a1SLionel Sambuc  * modification, are permitted provided that the following conditions
9*11be35a1SLionel Sambuc  * are met:
10*11be35a1SLionel Sambuc  * 1. Redistributions of source code must retain the above copyright
11*11be35a1SLionel Sambuc  *    notice, this list of conditions and the following disclaimer.
12*11be35a1SLionel Sambuc  * 2. Redistributions in binary form must reproduce the above copyright
13*11be35a1SLionel Sambuc  *    notice, this list of conditions and the following disclaimer in the
14*11be35a1SLionel Sambuc  *    documentation and/or other materials provided with the distribution.
15*11be35a1SLionel Sambuc  *
16*11be35a1SLionel Sambuc  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17*11be35a1SLionel Sambuc  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18*11be35a1SLionel Sambuc  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19*11be35a1SLionel Sambuc  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20*11be35a1SLionel Sambuc  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21*11be35a1SLionel Sambuc  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22*11be35a1SLionel Sambuc  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23*11be35a1SLionel Sambuc  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24*11be35a1SLionel Sambuc  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25*11be35a1SLionel Sambuc  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26*11be35a1SLionel Sambuc  * POSSIBILITY OF SUCH DAMAGE.
27*11be35a1SLionel Sambuc  */
28*11be35a1SLionel Sambuc 
29*11be35a1SLionel Sambuc #include <sys/cdefs.h>
30*11be35a1SLionel Sambuc __COPYRIGHT("@(#) Copyright (c) 2008\
31*11be35a1SLionel Sambuc  The NetBSD Foundation, inc. All rights reserved.");
32*11be35a1SLionel Sambuc __RCSID("$NetBSD: t_lock.c,v 1.1 2009/02/20 21:39:57 jmmv Exp $");
33*11be35a1SLionel Sambuc 
34*11be35a1SLionel Sambuc #include <sys/time.h>
35*11be35a1SLionel Sambuc 
36*11be35a1SLionel Sambuc #include <machine/lock.h>
37*11be35a1SLionel Sambuc #include <signal.h>
38*11be35a1SLionel Sambuc 
39*11be35a1SLionel Sambuc #include <atf-c.h>
40*11be35a1SLionel Sambuc 
41*11be35a1SLionel Sambuc #include "../h_macros.h"
42*11be35a1SLionel Sambuc 
43*11be35a1SLionel Sambuc __cpu_simple_lock_t lk;
44*11be35a1SLionel Sambuc volatile int handled = 0;
45*11be35a1SLionel Sambuc 
46*11be35a1SLionel Sambuc static void
handler(int sig)47*11be35a1SLionel Sambuc handler(int sig)
48*11be35a1SLionel Sambuc {
49*11be35a1SLionel Sambuc 	handled = 1;
50*11be35a1SLionel Sambuc 	__cpu_simple_unlock(&lk);
51*11be35a1SLionel Sambuc }
52*11be35a1SLionel Sambuc 
53*11be35a1SLionel Sambuc ATF_TC(lock);
ATF_TC_HEAD(lock,tc)54*11be35a1SLionel Sambuc ATF_TC_HEAD(lock, tc)
55*11be35a1SLionel Sambuc {
56*11be35a1SLionel Sambuc 	atf_tc_set_md_var(tc, "timeout", "3");
57*11be35a1SLionel Sambuc 	atf_tc_set_md_var(tc, "descr",
58*11be35a1SLionel Sambuc 	    "Checks __cpu_simple_lock()/__cpu_simple_unlock()");
59*11be35a1SLionel Sambuc }
ATF_TC_BODY(lock,tc)60*11be35a1SLionel Sambuc ATF_TC_BODY(lock, tc)
61*11be35a1SLionel Sambuc {
62*11be35a1SLionel Sambuc 	struct itimerval itv;
63*11be35a1SLionel Sambuc 
64*11be35a1SLionel Sambuc 	__cpu_simple_lock_init(&lk);
65*11be35a1SLionel Sambuc 
66*11be35a1SLionel Sambuc 	REQUIRE_LIBC(signal(SIGVTALRM, handler), SIG_ERR);
67*11be35a1SLionel Sambuc 
68*11be35a1SLionel Sambuc 	itv.it_interval.tv_sec = 0;
69*11be35a1SLionel Sambuc 	itv.it_interval.tv_usec = 0;
70*11be35a1SLionel Sambuc 	itv.it_value.tv_sec = 1;
71*11be35a1SLionel Sambuc 	itv.it_value.tv_usec = 0;
72*11be35a1SLionel Sambuc 	RL(setitimer(ITIMER_VIRTUAL, &itv, NULL));
73*11be35a1SLionel Sambuc 
74*11be35a1SLionel Sambuc 	__cpu_simple_lock(&lk);
75*11be35a1SLionel Sambuc 	__cpu_simple_lock(&lk);
76*11be35a1SLionel Sambuc 
77*11be35a1SLionel Sambuc 	ATF_REQUIRE(handled);
78*11be35a1SLionel Sambuc 
79*11be35a1SLionel Sambuc 	__cpu_simple_unlock(&lk);
80*11be35a1SLionel Sambuc }
81*11be35a1SLionel Sambuc 
ATF_TP_ADD_TCS(tp)82*11be35a1SLionel Sambuc ATF_TP_ADD_TCS(tp)
83*11be35a1SLionel Sambuc {
84*11be35a1SLionel Sambuc 	ATF_TP_ADD_TC(tp, lock);
85*11be35a1SLionel Sambuc 
86*11be35a1SLionel Sambuc 	return atf_no_error();
87*11be35a1SLionel Sambuc }
88