1 /* Copyright (C) 2004-2022 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
17
18 #include <pthread.h>
19 #include <stdio.h>
20 #include <stdlib.h>
21 #include <unistd.h>
22
23
24 static void *
tf(void * arg)25 tf (void *arg)
26 {
27 int fds[2];
28 if (pipe (fds) != 0)
29 {
30 puts ("pipe failed");
31 exit (1);
32 }
33
34 char buf[10];
35 read (fds[0], buf, sizeof (buf));
36
37 puts ("read returned");
38 exit (1);
39 }
40
41 static pthread_t th;
42
43 static void
44 __attribute ((destructor))
dest(void)45 dest (void)
46 {
47 if (pthread_cancel (th) != 0)
48 {
49 puts ("cancel failed");
50 _exit (1);
51 }
52 void *r;
53 if (pthread_join (th, &r) != 0)
54 {
55 puts ("join failed");
56 _exit (1);
57 }
58 /* Exit successfully. */
59 _exit (0);
60 }
61
62 void
m(void)63 m (void)
64 {
65 if (pthread_create (&th, NULL, tf, NULL) != 0)
66 {
67 puts ("create failed");
68 _exit (1);
69 }
70 }
71