1/* Copyright (C) 2003-2024 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 <unistd.h>
23
24pthread_barrier_t b;
25int seen;
26
27static void *
28tf (void *arg)
29{
30 int old;
31 int r = pthread_setcancelstate (PTHREAD_CANCEL_DISABLE, oldstate: &old);
32 if (r != 0)
33 {
34 puts (s: "setcancelstate failed");
35 exit (1);
36 }
37
38 r = pthread_barrier_wait (barrier: &b);
39 if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
40 {
41 puts (s: "barrier_wait failed");
42 exit (1);
43 }
44
45 for (int i = 0; i < 10; ++i)
46 {
47 struct timespec ts = { .tv_sec = 0, .tv_nsec = 100000000 };
48 TEMP_FAILURE_RETRY (nanosleep (&ts, &ts));
49 }
50
51 seen = 1;
52 pthread_setcancelstate (state: old, NULL);
53
54 struct timespec ts = { .tv_sec = 0, .tv_nsec = 100000000 };
55 TEMP_FAILURE_RETRY (nanosleep (&ts, &ts));
56
57 exit (1);
58}
59
60
61static int
62do_test (void)
63{
64 if (pthread_barrier_init (barrier: &b, NULL, count: 2) != 0)
65 {
66 puts (s: "barrier init failed");
67 return 1;
68 }
69
70 pthread_t th;
71 if (pthread_create (newthread: &th, NULL, start_routine: tf, NULL) != 0)
72 {
73 puts (s: "thread creation failed");
74 return 1;
75 }
76
77 int r = pthread_barrier_wait (barrier: &b);
78 if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
79 {
80 puts (s: "barrier_wait failed");
81 return 1;
82 }
83
84 if (pthread_cancel (th: th) != 0)
85 {
86 puts (s: "cancel failed");
87 return 1;
88 }
89
90 void *status;
91 if (pthread_join (th: th, thread_return: &status) != 0)
92 {
93 puts (s: "join failed");
94 return 1;
95 }
96 if (status != PTHREAD_CANCELED)
97 {
98 puts (s: "thread not canceled");
99 return 1;
100 }
101
102 if (pthread_barrier_destroy (barrier: &b) != 0)
103 {
104 puts (s: "barrier_destroy failed");
105 return 1;
106 }
107
108 if (seen != 1)
109 {
110 puts (s: "thread cancelled when PTHREAD_CANCEL_DISABLED");
111 return 1;
112 }
113
114 return 0;
115}
116
117#define TEST_FUNCTION do_test ()
118#include "../test-skeleton.c"
119

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source code of glibc/sysdeps/pthread/tst-cancel22.c