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1/* Copyright (C) 2003-2019 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
18
19#include <errno.h>
20#include <error.h>
21#include <fcntl.h>
22#include <pthread.h>
23#include <signal.h>
24#include <stdio.h>
25#include <stdlib.h>
26#include <string.h>
27#include <sys/select.h>
28#include <sys/time.h>
29#include <unistd.h>
30
31static void *
32tf (void *arg)
33{
34 return NULL;
35}
36
37static void
38handler (int sig)
39{
40}
41
42static void __attribute__ ((noinline))
43clobber_lots_of_regs (void)
44{
45#define X1(n) long r##n = 10##n; __asm __volatile ("" : "+r" (r##n));
46#define X2(n) X1(n##0) X1(n##1) X1(n##2) X1(n##3) X1(n##4)
47#define X3(n) X2(n##0) X2(n##1) X2(n##2) X2(n##3) X2(n##4)
48 X3(0) X3(1) X3(2) X3(3) X3(4)
49#undef X1
50#define X1(n) __asm __volatile ("" : : "r" (r##n));
51 X3(0) X3(1) X3(2) X3(3) X3(4)
52#undef X1
53#undef X2
54#undef X3
55}
56
57static int
58do_test (void)
59{
60 pthread_t th;
61 int old, rc;
62 int ret = 0;
63 int fd[2];
64
65 rc = pipe (fd);
66 if (rc < 0)
67 error (EXIT_FAILURE, errno, "couldn't create pipe");
68
69 rc = pthread_create (&th, NULL, tf, NULL);
70 if (rc)
71 error (EXIT_FAILURE, rc, "couldn't create thread");
72
73 rc = pthread_setcanceltype (PTHREAD_CANCEL_DEFERRED, &old);
74 if (rc)
75 {
76 error (0, rc, "1st pthread_setcanceltype failed");
77 ret = 1;
78 }
79 if (old != PTHREAD_CANCEL_DEFERRED && old != PTHREAD_CANCEL_ASYNCHRONOUS)
80 {
81 error (0, 0, "1st pthread_setcanceltype returned invalid value %d",
82 old);
83 ret = 1;
84 }
85
86 clobber_lots_of_regs ();
87 close (fd[0]);
88
89 rc = pthread_setcanceltype (PTHREAD_CANCEL_ASYNCHRONOUS, &old);
90 if (rc)
91 {
92 error (0, rc, "pthread_setcanceltype after close failed");
93 ret = 1;
94 }
95 if (old != PTHREAD_CANCEL_DEFERRED)
96 {
97 error (0, 0, "pthread_setcanceltype after close returned invalid value %d",
98 old);
99 ret = 1;
100 }
101
102 clobber_lots_of_regs ();
103 close (fd[1]);
104
105 rc = pthread_setcanceltype (PTHREAD_CANCEL_DEFERRED, &old);
106 if (rc)
107 {
108 error (0, rc, "pthread_setcanceltype after 2nd close failed");
109 ret = 1;
110 }
111 if (old != PTHREAD_CANCEL_ASYNCHRONOUS)
112 {
113 error (0, 0, "pthread_setcanceltype after 2nd close returned invalid value %d",
114 old);
115 ret = 1;
116 }
117
118 struct sigaction sa = { .sa_handler = handler, .sa_flags = 0 };
119 sigemptyset (&sa.sa_mask);
120 sigaction (SIGALRM, &sa, NULL);
121
122 struct itimerval it;
123 it.it_value.tv_sec = 1;
124 it.it_value.tv_usec = 0;
125 it.it_interval = it.it_value;
126 setitimer (ITIMER_REAL, &it, NULL);
127
128 clobber_lots_of_regs ();
129 pause ();
130
131 memset (&it, 0, sizeof (it));
132 setitimer (ITIMER_REAL, &it, NULL);
133
134 rc = pthread_setcanceltype (PTHREAD_CANCEL_ASYNCHRONOUS, &old);
135 if (rc)
136 {
137 error (0, rc, "pthread_setcanceltype after pause failed");
138 ret = 1;
139 }
140 if (old != PTHREAD_CANCEL_DEFERRED)
141 {
142 error (0, 0, "pthread_setcanceltype after pause returned invalid value %d",
143 old);
144 ret = 1;
145 }
146
147 it.it_value.tv_sec = 1;
148 it.it_value.tv_usec = 0;
149 it.it_interval = it.it_value;
150 setitimer (ITIMER_REAL, &it, NULL);
151
152 clobber_lots_of_regs ();
153 pause ();
154
155 memset (&it, 0, sizeof (it));
156 setitimer (ITIMER_REAL, &it, NULL);
157
158 rc = pthread_setcanceltype (PTHREAD_CANCEL_DEFERRED, &old);
159 if (rc)
160 {
161 error (0, rc, "pthread_setcanceltype after 2nd pause failed");
162 ret = 1;
163 }
164 if (old != PTHREAD_CANCEL_ASYNCHRONOUS)
165 {
166 error (0, 0, "pthread_setcanceltype after 2nd pause returned invalid value %d",
167 old);
168 ret = 1;
169 }
170
171 char fname[] = "/tmp/tst-cancel19-dir-XXXXXX\0foo/bar";
172 char *enddir = strchr (fname, '\0');
173 if (mkdtemp (fname) == NULL)
174 {
175 error (0, errno, "mkdtemp failed");
176 ret = 1;
177 }
178 *enddir = '/';
179
180 clobber_lots_of_regs ();
181 creat (fname, 0400);
182
183 rc = pthread_setcanceltype (PTHREAD_CANCEL_ASYNCHRONOUS, &old);
184 if (rc)
185 {
186 error (0, rc, "pthread_setcanceltype after creat failed");
187 ret = 1;
188 }
189 if (old != PTHREAD_CANCEL_DEFERRED)
190 {
191 error (0, 0, "pthread_setcanceltype after creat returned invalid value %d",
192 old);
193 ret = 1;
194 }
195
196 clobber_lots_of_regs ();
197 creat (fname, 0400);
198
199 rc = pthread_setcanceltype (PTHREAD_CANCEL_DEFERRED, &old);
200 if (rc)
201 {
202 error (0, rc, "pthread_setcanceltype after 2nd creat failed");
203 ret = 1;
204 }
205 if (old != PTHREAD_CANCEL_ASYNCHRONOUS)
206 {
207 error (0, 0, "pthread_setcanceltype after 2nd creat returned invalid value %d",
208 old);
209 ret = 1;
210 }
211
212 clobber_lots_of_regs ();
213 open (fname, O_CREAT, 0400);
214
215 rc = pthread_setcanceltype (PTHREAD_CANCEL_ASYNCHRONOUS, &old);
216 if (rc)
217 {
218 error (0, rc, "pthread_setcanceltype after open failed");
219 ret = 1;
220 }
221 if (old != PTHREAD_CANCEL_DEFERRED)
222 {
223 error (0, 0, "pthread_setcanceltype after open returned invalid value %d",
224 old);
225 ret = 1;
226 }
227
228 clobber_lots_of_regs ();
229 open (fname, O_CREAT, 0400);
230
231 rc = pthread_setcanceltype (PTHREAD_CANCEL_DEFERRED, &old);
232 if (rc)
233 {
234 error (0, rc, "pthread_setcanceltype after 2nd open failed");
235 ret = 1;
236 }
237 if (old != PTHREAD_CANCEL_ASYNCHRONOUS)
238 {
239 error (0, 0, "pthread_setcanceltype after 2nd open returned invalid value %d",
240 old);
241 ret = 1;
242 }
243
244 *enddir = '\0';
245 rmdir (fname);
246
247 clobber_lots_of_regs ();
248 select (-1, NULL, NULL, NULL, NULL);
249
250 rc = pthread_setcanceltype (PTHREAD_CANCEL_ASYNCHRONOUS, &old);
251 if (rc)
252 {
253 error (0, rc, "pthread_setcanceltype after select failed");
254 ret = 1;
255 }
256 if (old != PTHREAD_CANCEL_DEFERRED)
257 {
258 error (0, 0, "pthread_setcanceltype after select returned invalid value %d",
259 old);
260 ret = 1;
261 }
262
263 clobber_lots_of_regs ();
264 select (-1, NULL, NULL, NULL, NULL);
265
266 rc = pthread_setcanceltype (PTHREAD_CANCEL_DEFERRED, &old);
267 if (rc)
268 {
269 error (0, rc, "pthread_setcanceltype after 2nd select failed");
270 ret = 1;
271 }
272 if (old != PTHREAD_CANCEL_ASYNCHRONOUS)
273 {
274 error (0, 0, "pthread_setcanceltype after 2nd select returned invalid value %d",
275 old);
276 ret = 1;
277 }
278
279 pthread_join (th, NULL);
280
281 return ret;
282}
283
284#define TEST_FUNCTION do_test ()
285#include "../test-skeleton.c"
286

Warning: That file was not part of the compilation database. It may have many parsing errors.