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
23
24static pthread_barrier_t bar;
25
26
27static void *
28tf (void *arg)
29{
30 if (pthread_barrier_wait (barrier: &bar) != 0)
31 {
32 puts (s: "tf: barrier_wait failed");
33 exit (1);
34 }
35
36 return (void *) 1l;
37}
38
39
40static int
41do_test (void)
42{
43 if (pthread_barrier_init (barrier: &bar, NULL, count: 3) != 0)
44 {
45 puts (s: "barrier_init failed");
46 exit (1);
47 }
48
49 pthread_attr_t a;
50
51 if (pthread_attr_init (attr: &a) != 0)
52 {
53 puts (s: "attr_init failed");
54 exit (1);
55 }
56
57 if (pthread_attr_setstacksize (attr: &a, stacksize: 1 * 1024 * 1024) != 0)
58 {
59 puts (s: "attr_setstacksize failed");
60 return 1;
61 }
62
63 pthread_t th[2];
64
65 if (pthread_create (newthread: &th[0], attr: &a, start_routine: tf, NULL) != 0)
66 {
67 puts (s: "1st create failed");
68 exit (1);
69 }
70
71 if (pthread_attr_setdetachstate (attr: &a, PTHREAD_CREATE_DETACHED) != 0)
72 {
73 puts (s: "attr_setdetachstate failed");
74 exit (1);
75 }
76
77 if (pthread_create (newthread: &th[1], attr: &a, start_routine: tf, NULL) != 0)
78 {
79 puts (s: "1st create failed");
80 exit (1);
81 }
82
83 if (pthread_attr_destroy (attr: &a) != 0)
84 {
85 puts (s: "attr_destroy failed");
86 exit (1);
87 }
88
89 if (pthread_detach (th: th[0]) != 0)
90 {
91 puts (s: "could not detach 1st thread");
92 exit (1);
93 }
94
95 int err = pthread_detach (th: th[0]);
96 if (err == 0)
97 {
98 puts (s: "second detach of 1st thread succeeded");
99 exit (1);
100 }
101 if (err != EINVAL)
102 {
103 printf (format: "second detach of 1st thread returned %d, not EINVAL\n", err);
104 exit (1);
105 }
106
107 err = pthread_detach (th: th[1]);
108 if (err == 0)
109 {
110 puts (s: "detach of 2nd thread succeeded");
111 exit (1);
112 }
113 if (err != EINVAL)
114 {
115 printf (format: "detach of 2nd thread returned %d, not EINVAL\n", err);
116 exit (1);
117 }
118
119 exit (0);
120}
121
122#define TEST_FUNCTION do_test ()
123#include "../test-skeleton.c"
124

source code of glibc/sysdeps/pthread/tst-join4.c