1 /* Copyright (C) 2003-2022 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 <errno.h>
19 #include <pthread.h>
20 #include <stdio.h>
21 #include <stdlib.h>
22 #include <string.h>
23 #include <unistd.h>
24
25
26 static pthread_barrier_t bar;
27 static int fd[2];
28
29
30 static void
cleanup(void * arg)31 cleanup (void *arg)
32 {
33 static int ncall;
34
35 if (++ncall != 1)
36 {
37 puts ("second call to cleanup");
38 exit (1);
39 }
40
41 printf ("cleanup call #%d\n", ncall);
42 }
43
44
45 static void *
tf(void * arg)46 tf (void *arg)
47 {
48 pthread_cleanup_push (cleanup, NULL);
49
50 int e = pthread_barrier_wait (&bar);
51 if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
52 {
53 puts ("tf: 1st barrier_wait failed");
54 exit (1);
55 }
56
57 /* This call should block and be cancelable. */
58 char buf[20];
59 read (fd[0], buf, sizeof (buf));
60
61 pthread_cleanup_pop (0);
62
63 return NULL;
64 }
65
66
67 static int
do_test(void)68 do_test (void)
69 {
70 pthread_t th;
71
72 if (pthread_barrier_init (&bar, NULL, 2) != 0)
73 {
74 puts ("barrier_init failed");
75 exit (1);
76 }
77
78 if (pipe (fd) != 0)
79 {
80 puts ("pipe failed");
81 exit (1);
82 }
83
84 if (pthread_create (&th, NULL, tf, NULL) != 0)
85 {
86 puts ("create failed");
87 exit (1);
88 }
89
90 int e = pthread_barrier_wait (&bar);
91 if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
92 {
93 puts ("1st barrier_wait failed");
94 exit (1);
95 }
96
97 if (pthread_cancel (th) != 0)
98 {
99 puts ("1st cancel failed");
100 exit (1);
101 }
102
103 void *r;
104 if (pthread_join (th, &r) != 0)
105 {
106 puts ("join failed");
107 exit (1);
108 }
109
110 if (r != PTHREAD_CANCELED)
111 {
112 puts ("thread not canceled");
113 exit (1);
114 }
115
116 return 0;
117 }
118
119
120 #define TEST_FUNCTION do_test ()
121 #include "../test-skeleton.c"
122