t_kern.c revision 1.1 
1/*	$NetBSD: t_kern.c,v 1.1 2011/01/06 13:12:52 pooka Exp $	*/
2
3/*-
4 * Copyright (c) 2011 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
17 * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
18 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
19 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
23 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
25 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
26 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
27 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30#include <sys/types.h>
31#include <sys/signal.h>
32#include <sys/wait.h>
33
34#include <rump/rump.h>
35
36#include <atf-c.h>
37#include <stdio.h>
38#include <stdlib.h>
39#include <unistd.h>
40
41#include "../../h_macros.h"
42#include "../kernspace/kernspace.h"
43
44#define LOCKFUN(_name_, _descr_,_needld_)				\
45	ATF_TC(lockme_##_name_);					\
46	ATF_TC_HEAD(lockme_##_name_, tc) {				\
47		atf_tc_set_md_var(tc, "descr", _descr_);		\
48	}								\
49	ATF_TC_BODY(lockme_##_name_, tc) {				\
50		locktest(tc, LOCKME_##_name_, _needld_);		\
51	}
52
53static void
54locktest(const atf_tc_t *tc, enum locktest lt, int needld)
55{
56	extern const int rump_lockdebug;
57	int status;
58
59	if (needld && !rump_lockdebug)
60		atf_tc_skip("test requires LOCKDEBUG kernel");
61
62	switch (fork()) {
63	case 0:
64		rump_init();
65		rump_schedule();
66		rumptest_lockme(lt);
67		rump_unschedule();
68		break;
69	default:
70		RL(wait(&status));
71		ATF_REQUIRE(WIFSIGNALED(status) && WTERMSIG(status) == SIGABRT);
72		break;
73	case -1:
74		atf_tc_fail("fork");
75	}
76}
77
78LOCKFUN(DESTROYHELD, "destroy lock while held", 0);
79LOCKFUN(DOUBLEFREE, "free lock twice", 0);
80LOCKFUN(DOUBLEINIT, "init lock twice", 1);
81LOCKFUN(MEMFREE, "free memory active lock is in", 1);
82LOCKFUN(MTX, "locking-against-self mutex", 0);
83LOCKFUN(RWDOUBLEX, "locking-against-self exclusive rwlock", 0);
84LOCKFUN(RWRX, "rw: first shared, then exclusive", 1);
85LOCKFUN(RWXR, "rw: first execusive, then shared", 0);
86
87ATF_TP_ADD_TCS(tp)
88{
89
90	ATF_TP_ADD_TC(tp, lockme_MTX);
91	ATF_TP_ADD_TC(tp, lockme_RWDOUBLEX);
92	ATF_TP_ADD_TC(tp, lockme_RWRX);
93	ATF_TP_ADD_TC(tp, lockme_RWXR);
94	ATF_TP_ADD_TC(tp, lockme_DOUBLEINIT);
95	ATF_TP_ADD_TC(tp, lockme_DOUBLEFREE);
96	ATF_TP_ADD_TC(tp, lockme_DESTROYHELD);
97	ATF_TP_ADD_TC(tp, lockme_MEMFREE);
98
99	return atf_no_error();
100}
101