t_wait.c revision 1.1 1 /* $NetBSD: t_wait.c,v 1.1 2016/04/06 00:45:53 christos Exp $ */
2
3 /*-
4 * Copyright (c) 2016 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Christos Zoulas.
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_wait.c,v 1.1 2016/04/06 00:45:53 christos Exp $");
33
34 #include <sys/wait.h>
35 #include <sys/resource.h>
36
37 #include <stdio.h>
38 #include <errno.h>
39 #include <limits.h>
40 #include <pwd.h>
41 #include <signal.h>
42 #include <stdlib.h>
43 #include <unistd.h>
44
45 #include <atf-c.h>
46
47 ATF_TC(wait6_invalid);
48 ATF_TC_HEAD(wait6_invalid, tc)
49 {
50 atf_tc_set_md_var(tc, "descr",
51 "Test that wait6(2) returns EINVAL with 0 options");
52 }
53
54 ATF_TC_BODY(wait6_invalid, tc)
55 {
56 siginfo_t si;
57 struct wrusage wru;
58 int st;
59 ATF_REQUIRE(wait6(P_ALL, 0, &st, 0, &wru, &si) == -1
60 && errno == EINVAL);
61 }
62
63 ATF_TC(wait6_noproc);
64 ATF_TC_HEAD(wait6_noproc, tc)
65 {
66 atf_tc_set_md_var(tc, "descr",
67 "Test that wait6(2) returns ECHILD with for no processes");
68 }
69
70 ATF_TC_BODY(wait6_noproc, tc)
71 {
72 siginfo_t si;
73 struct wrusage wru;
74 int st;
75 ATF_REQUIRE(wait6(P_ALL, 0, &st, WEXITED, &wru, &si) == -1
76 && errno == ECHILD);
77 }
78
79 ATF_TC(wait6_exited);
80 ATF_TC_HEAD(wait6_exited, tc)
81 {
82 atf_tc_set_md_var(tc, "descr",
83 "Test that wait6(2) handled exiting process and code");
84 }
85
86 ATF_TC_BODY(wait6_exited, tc)
87 {
88 siginfo_t si;
89 struct wrusage wru;
90 int st;
91 pid_t pid;
92
93 switch (pid = fork()) {
94 case -1:
95 ATF_REQUIRE(pid == 0);
96 case 0:
97 exit(0x5a5a5a5a);
98 /*NOTREACHED*/
99 default:
100 ATF_REQUIRE(!wait6(P_PID, pid, &st, WEXITED, &wru, &si));
101 ATF_REQUIRE(WIFEXITED(st) && WEXITSTATUS(st) == 0x5a);
102 ATF_REQUIRE(si.si_status = 0x5a5a5a5a);
103 ATF_REQUIRE(si.si_pid == pid);
104 ATF_REQUIRE(si.si_uid == getuid());
105 ATF_REQUIRE(si.si_code == CLD_EXITED);
106 printf("user: %ju system: %ju\n", (uintmax_t)si.si_utime,
107 (uintmax_t)si.si_utime);
108 break;
109 }
110 }
111
112 ATF_TC(wait6_terminated);
113 ATF_TC_HEAD(wait6_terminated, tc)
114 {
115 atf_tc_set_md_var(tc, "descr",
116 "Test that wait6(2) handled terminated process and code");
117 }
118
119 ATF_TC_BODY(wait6_terminated, tc)
120 {
121 siginfo_t si;
122 struct wrusage wru;
123 int st;
124 pid_t pid;
125
126 switch (pid = fork()) {
127 case 0:
128 sleep(100);
129 /*FALLTHROUGH*/
130 case -1:
131 ATF_REQUIRE(pid == 0);
132 default:
133 ATF_REQUIRE(kill(pid, SIGTERM) == 0);
134 ATF_REQUIRE(!wait6(P_PID, pid, &st, WEXITED, &wru, &si));
135 ATF_REQUIRE(WIFSIGNALED(st) && WTERMSIG(st) == SIGTERM);
136 ATF_REQUIRE(si.si_status == SIGTERM);
137 ATF_REQUIRE(si.si_pid == pid);
138 ATF_REQUIRE(si.si_uid == getuid());
139 ATF_REQUIRE(si.si_code == CLD_KILLED);
140 printf("user: %ju system: %ju\n", (uintmax_t)si.si_utime,
141 (uintmax_t)si.si_utime);
142 break;
143 }
144 }
145
146 ATF_TC(wait6_coredumped);
147 ATF_TC_HEAD(wait6_coredumped, tc)
148 {
149 atf_tc_set_md_var(tc, "descr",
150 "Test that wait6(2) handled coredumped process and code");
151 }
152
153 ATF_TC_BODY(wait6_coredumped, tc)
154 {
155 siginfo_t si;
156 struct wrusage wru;
157 int st;
158 pid_t pid;
159 static const struct rlimit rl = { RLIM_INFINITY, RLIM_INFINITY };
160
161 switch (pid = fork()) {
162 case 0:
163 ATF_REQUIRE(setrlimit(RLIMIT_CORE, &rl) == 0);
164 *(char *)8 = 0;
165 /*FALLTHROUGH*/
166 case -1:
167 ATF_REQUIRE(pid == 0);
168 default:
169 ATF_REQUIRE(!wait6(P_PID, pid, &st, WEXITED, &wru, &si));
170 ATF_REQUIRE(WIFSIGNALED(st) && WTERMSIG(st) == SIGSEGV
171 && WCOREDUMP(st));
172 ATF_REQUIRE(si.si_status == SIGSEGV);
173 ATF_REQUIRE(si.si_pid == pid);
174 ATF_REQUIRE(si.si_uid == getuid());
175 ATF_REQUIRE(si.si_code == CLD_DUMPED);
176 printf("user: %ju system: %ju\n", (uintmax_t)si.si_utime,
177 (uintmax_t)si.si_utime);
178 break;
179 }
180 }
181
182 ATF_TC(wait6_stop_and_go);
183 ATF_TC_HEAD(wait6_stop_and_go, tc)
184 {
185 atf_tc_set_md_var(tc, "descr",
186 "Test that wait6(2) handled stopped/continued process and code");
187 }
188
189 ATF_TC_BODY(wait6_stop_and_go, tc)
190 {
191 siginfo_t si;
192 struct wrusage wru;
193 int st;
194 pid_t pid;
195 static const struct rlimit rl = { 0, 0 };
196
197 switch (pid = fork()) {
198 case 0:
199 ATF_REQUIRE(setrlimit(RLIMIT_CORE, &rl) == 0);
200 sleep(100);
201 /*FALLTHROUGH*/
202 case -1:
203 ATF_REQUIRE(pid == 0);
204 default:
205 ATF_REQUIRE(kill(pid, SIGSTOP) == 0);
206 ATF_REQUIRE(!wait6(P_PID, pid, &st, WSTOPPED, &wru, &si));
207 ATF_REQUIRE(WIFSTOPPED(st) && WSTOPSIG(st) == SIGSTOP);
208 ATF_REQUIRE(si.si_status == SIGSTOP);
209 ATF_REQUIRE(si.si_pid == pid);
210 ATF_REQUIRE(si.si_uid == getuid());
211 ATF_REQUIRE(si.si_code == CLD_STOPPED);
212 printf("user: %ju system: %ju\n", (uintmax_t)si.si_utime,
213 (uintmax_t)si.si_utime);
214
215 ATF_REQUIRE(kill(pid, SIGCONT) == 0);
216 ATF_REQUIRE(!wait6(P_PID, pid, &st, WCONTINUED, &wru, &si));
217 ATF_REQUIRE(WIFSTOPPED(st) && WSTOPSIG(st) == SIGCONT);
218 ATF_REQUIRE(si.si_status == SIGCONT);
219 ATF_REQUIRE(si.si_pid == pid);
220 ATF_REQUIRE(si.si_uid == getuid());
221 ATF_REQUIRE(si.si_code == CLD_CONTINUED);
222 printf("user: %ju system: %ju\n", (uintmax_t)si.si_utime,
223 (uintmax_t)si.si_utime);
224
225 ATF_REQUIRE(kill(pid, SIGQUIT) == 0);
226 ATF_REQUIRE(!wait6(P_PID, pid, &st, WEXITED, &wru, &si));
227 ATF_REQUIRE(WIFSIGNALED(st) && WTERMSIG(st) == SIGQUIT);
228 ATF_REQUIRE(si.si_status == SIGQUIT);
229 ATF_REQUIRE(si.si_pid == pid);
230 ATF_REQUIRE(si.si_uid == getuid());
231 ATF_REQUIRE(si.si_code == CLD_KILLED);
232 printf("user: %ju system: %ju\n", (uintmax_t)si.si_utime,
233 (uintmax_t)si.si_utime);
234 break;
235 }
236 }
237
238 ATF_TP_ADD_TCS(tp)
239 {
240
241 ATF_TP_ADD_TC(tp, wait6_invalid);
242 ATF_TP_ADD_TC(tp, wait6_noproc);
243 ATF_TP_ADD_TC(tp, wait6_exited);
244 ATF_TP_ADD_TC(tp, wait6_terminated);
245 ATF_TP_ADD_TC(tp, wait6_coredumped);
246 ATF_TP_ADD_TC(tp, wait6_stop_and_go);
247
248 return atf_no_error();
249 }
250