1/* $NetBSD: t_ucontext.c,v 1.1 2011/10/15 06:54:52 jruoho Exp $ */
2
3/*
4 * Copyright (c) 2008 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#include <sys/cdefs.h>
30__COPYRIGHT("@(#) Copyright (c) 2008\
31 The NetBSD Foundation, inc. All rights reserved.");
32__RCSID("$NetBSD: t_ucontext.c,v 1.1 2011/10/15 06:54:52 jruoho Exp $");
33
34#include <atf-c.h>
35#include <stdio.h>
36#include <ucontext.h>
37
38ATF_TC(ucontext_basic);
39ATF_TC_HEAD(ucontext_basic, tc)
40{
41	atf_tc_set_md_var(tc, "descr", "Checks {get,set}context(2)");
42}
43
44ATF_TC_BODY(ucontext_basic, tc)
45{
46	ucontext_t u, v, w;
47	volatile int x, y;
48
49	x = 0;
50	y = 0;
51
52	printf("Start\n");
53
54	getcontext(&u);
55	y++;
56
57	printf("x == %d\n", x);
58
59	getcontext(&v);
60
61	if ( x < 20 ) {
62		x++;
63		getcontext(&w);
64		setcontext(&u);
65	}
66
67	printf("End, y = %d\n", y);
68	ATF_REQUIRE_EQ(y, 21);
69}
70
71ATF_TP_ADD_TCS(tp)
72{
73	ATF_TP_ADD_TC(tp, ucontext_basic);
74
75	return atf_no_error();
76}
77