1 /* $NetBSD: t_raise.c,v 1.6 2016/11/03 22:08:31 kamil Exp $ */
2
3 /*-
4 * Copyright (c) 2011 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jukka Ruohonen.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31 #include <sys/cdefs.h>
32 __RCSID("$NetBSD: t_raise.c,v 1.6 2016/11/03 22:08:31 kamil Exp $");
33
34 #include <atf-c.h>
35
36 #include <signal.h>
37 #include <string.h>
38 #include <time.h>
39 #include <unistd.h>
40
41 static bool fail;
42 static int count;
43 static void handler_err(int);
44 static void handler_ret(int);
45 static void handler_stress(int);
46 #ifdef __FreeBSD__
47 static int sig[] = { SIGALRM, SIGIO, SIGUSR1, SIGUSR2 };
48 #else
49 static int sig[] = { SIGALRM, SIGIO, SIGUSR1, SIGUSR2, SIGPWR };
50 #endif
51
52 static void
handler_stress(int signo)53 handler_stress(int signo)
54 {
55 count++;
56 }
57
58 static void
handler_err(int signo)59 handler_err(int signo)
60 {
61 size_t i;
62
63 for (i = 0; i < __arraycount(sig); i++) {
64
65 if (sig[i] == signo) {
66 fail = false;
67 break;
68 }
69 }
70 }
71
72 static void
handler_ret(int signo)73 handler_ret(int signo)
74 {
75
76 (void)sleep(1);
77
78 fail = false;
79 }
80
81 ATF_TC(raise_err);
ATF_TC_HEAD(raise_err,tc)82 ATF_TC_HEAD(raise_err, tc)
83 {
84 atf_tc_set_md_var(tc, "descr", "Test raise(3) for invalid parameters");
85 }
86
ATF_TC_BODY(raise_err,tc)87 ATF_TC_BODY(raise_err, tc)
88 {
89 int i = 0;
90
91 while (i < 10) {
92
93 ATF_REQUIRE(raise(10240 + i) == -1);
94
95 i++;
96 }
97 }
98
99 ATF_TC(raise_ret);
ATF_TC_HEAD(raise_ret,tc)100 ATF_TC_HEAD(raise_ret, tc)
101 {
102 atf_tc_set_md_var(tc, "descr", "Test return order of raise(3)");
103 }
104
ATF_TC_BODY(raise_ret,tc)105 ATF_TC_BODY(raise_ret, tc)
106 {
107 struct sigaction sa;
108
109 fail = true;
110
111 sa.sa_flags = 0;
112 sa.sa_handler = handler_ret;
113
114 /*
115 * Verify that raise(3) does not return
116 * before the signal handler returns.
117 */
118 ATF_REQUIRE(sigemptyset(&sa.sa_mask) == 0);
119 ATF_REQUIRE(sigaction(SIGUSR1, &sa, 0) == 0);
120 ATF_REQUIRE(raise(SIGUSR1) == 0);
121
122 if (fail != false)
123 atf_tc_fail("raise(3) returned before signal handler");
124 }
125
126 ATF_TC(raise_sig);
ATF_TC_HEAD(raise_sig,tc)127 ATF_TC_HEAD(raise_sig, tc)
128 {
129 atf_tc_set_md_var(tc, "descr", "A basic test of raise(3)");
130 }
131
ATF_TC_BODY(raise_sig,tc)132 ATF_TC_BODY(raise_sig, tc)
133 {
134 struct timespec tv, tr;
135 struct sigaction sa;
136 size_t i;
137
138 for (i = 0; i < __arraycount(sig); i++) {
139
140 (void)memset(&sa, 0, sizeof(struct sigaction));
141
142 fail = true;
143
144 tv.tv_sec = 0;
145 tv.tv_nsec = 2;
146
147 sa.sa_flags = 0;
148 sa.sa_handler = handler_err;
149
150 ATF_REQUIRE(sigemptyset(&sa.sa_mask) == 0);
151 ATF_REQUIRE(sigaction(sig[i], &sa, 0) == 0);
152
153 ATF_REQUIRE(raise(sig[i]) == 0);
154 ATF_REQUIRE(nanosleep(&tv, &tr) == 0);
155
156 if (fail != false)
157 atf_tc_fail("raise(3) did not raise a signal");
158 }
159 }
160
161 ATF_TC(raise_stress);
ATF_TC_HEAD(raise_stress,tc)162 ATF_TC_HEAD(raise_stress, tc)
163 {
164 atf_tc_set_md_var(tc, "descr", "A basic stress test with raise(3)");
165 }
166
ATF_TC_BODY(raise_stress,tc)167 ATF_TC_BODY(raise_stress, tc)
168 {
169 static const int maxiter = 1000 * 10;
170 struct sigaction sa;
171 int i;
172
173 sa.sa_flags = 0;
174 sa.sa_handler = handler_stress;
175
176 ATF_REQUIRE(sigemptyset(&sa.sa_mask) == 0);
177 ATF_REQUIRE(sigaction(SIGUSR1, &sa, 0) == 0);
178
179 for (count = i = 0; i < maxiter; i++)
180 (void)raise(SIGUSR1);
181
182 if (count != maxiter)
183 atf_tc_fail("not all signals were caught");
184 }
185
ATF_TP_ADD_TCS(tp)186 ATF_TP_ADD_TCS(tp)
187 {
188 ATF_TP_ADD_TC(tp, raise_err);
189 ATF_TP_ADD_TC(tp, raise_ret);
190 ATF_TP_ADD_TC(tp, raise_sig);
191 ATF_TP_ADD_TC(tp, raise_stress);
192
193 return atf_no_error();
194 }
195