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1/* This tests destruction of a barrier right after waiting on it.
2 Copyright (C) 2004-2019 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Ulrich Drepper <drepper@redhat.com>, 2004.
5
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
10
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
15
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, see
18 <http://www.gnu.org/licenses/>. */
19
20#include <errno.h>
21#include <pthread.h>
22#include <stdio.h>
23#include <stdlib.h>
24
25
26static pthread_barrier_t b1;
27static pthread_barrier_t b2;
28
29
30#define N 20
31
32static void *
33tf (void *arg)
34{
35 int round = 0;
36
37 while (round++ < 30)
38 {
39 if (pthread_barrier_wait (&b1) == PTHREAD_BARRIER_SERIAL_THREAD)
40 {
41 pthread_barrier_destroy (&b1);
42 if (pthread_barrier_init (&b1, NULL, N) != 0)
43 {
44 puts ("tf: 1st barrier_init failed");
45 exit (1);
46 }
47 }
48
49 if (pthread_barrier_wait (&b2) == PTHREAD_BARRIER_SERIAL_THREAD)
50 {
51 pthread_barrier_destroy (&b2);
52 if (pthread_barrier_init (&b2, NULL, N) != 0)
53 {
54 puts ("tf: 2nd barrier_init failed");
55 exit (1);
56 }
57 }
58 }
59
60 return NULL;
61}
62
63
64static int
65do_test (void)
66{
67 pthread_attr_t at;
68 int cnt;
69
70 if (pthread_attr_init (&at) != 0)
71 {
72 puts ("attr_init failed");
73 return 1;
74 }
75
76 if (pthread_attr_setstacksize (&at, 1 * 1024 * 1024) != 0)
77 {
78 puts ("attr_setstacksize failed");
79 return 1;
80 }
81
82 if (pthread_barrier_init (&b1, NULL, N) != 0)
83 {
84 puts ("1st barrier_init failed");
85 return 1;
86 }
87
88 if (pthread_barrier_init (&b2, NULL, N) != 0)
89 {
90 puts ("2nd barrier_init failed");
91 return 1;
92 }
93
94 pthread_t th[N - 1];
95 for (cnt = 0; cnt < N - 1; ++cnt)
96 if (pthread_create (&th[cnt], &at, tf, NULL) != 0)
97 {
98 puts ("pthread_create failed");
99 return 1;
100 }
101
102 if (pthread_attr_destroy (&at) != 0)
103 {
104 puts ("attr_destroy failed");
105 return 1;
106 }
107
108 tf (NULL);
109
110 for (cnt = 0; cnt < N - 1; ++cnt)
111 if (pthread_join (th[cnt], NULL) != 0)
112 {
113 puts ("pthread_join failed");
114 return 1;
115 }
116
117 return 0;
118}
119
120#define TEST_FUNCTION do_test ()
121#include "../test-skeleton.c"
122

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