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019bf21c | 1 | /* This tests destruction of a barrier right after waiting on it. |
2b778ceb | 2 | Copyright (C) 2004-2021 Free Software Foundation, Inc. |
37c054c7 | 3 | This file is part of the GNU C Library. |
37c054c7 UD |
4 | |
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
59ba27a6 | 16 | License along with the GNU C Library; if not, see |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
37c054c7 | 18 | |
37c054c7 UD |
19 | #include <errno.h> |
20 | #include <pthread.h> | |
21 | #include <stdio.h> | |
ffaa74cf | 22 | #include <stdlib.h> |
37c054c7 UD |
23 | |
24 | ||
25 | static pthread_barrier_t b1; | |
26 | static pthread_barrier_t b2; | |
27 | ||
28 | ||
29 | #define N 20 | |
30 | ||
31 | static void * | |
32 | tf (void *arg) | |
33 | { | |
34 | int round = 0; | |
35 | ||
36 | while (round++ < 30) | |
37 | { | |
38 | if (pthread_barrier_wait (&b1) == PTHREAD_BARRIER_SERIAL_THREAD) | |
39 | { | |
40 | pthread_barrier_destroy (&b1); | |
41 | if (pthread_barrier_init (&b1, NULL, N) != 0) | |
42 | { | |
43 | puts ("tf: 1st barrier_init failed"); | |
44 | exit (1); | |
45 | } | |
46 | } | |
47 | ||
48 | if (pthread_barrier_wait (&b2) == PTHREAD_BARRIER_SERIAL_THREAD) | |
49 | { | |
50 | pthread_barrier_destroy (&b2); | |
51 | if (pthread_barrier_init (&b2, NULL, N) != 0) | |
52 | { | |
53 | puts ("tf: 2nd barrier_init failed"); | |
54 | exit (1); | |
55 | } | |
56 | } | |
57 | } | |
58 | ||
59 | return NULL; | |
60 | } | |
61 | ||
62 | ||
63 | static int | |
64 | do_test (void) | |
65 | { | |
4d1a02ef | 66 | pthread_attr_t at; |
37c054c7 UD |
67 | int cnt; |
68 | ||
4d1a02ef UD |
69 | if (pthread_attr_init (&at) != 0) |
70 | { | |
71 | puts ("attr_init failed"); | |
72 | return 1; | |
73 | } | |
74 | ||
75 | if (pthread_attr_setstacksize (&at, 1 * 1024 * 1024) != 0) | |
76 | { | |
77 | puts ("attr_setstacksize failed"); | |
78 | return 1; | |
79 | } | |
80 | ||
37c054c7 UD |
81 | if (pthread_barrier_init (&b1, NULL, N) != 0) |
82 | { | |
83 | puts ("1st barrier_init failed"); | |
84 | return 1; | |
85 | } | |
86 | ||
87 | if (pthread_barrier_init (&b2, NULL, N) != 0) | |
88 | { | |
89 | puts ("2nd barrier_init failed"); | |
90 | return 1; | |
91 | } | |
92 | ||
93 | pthread_t th[N - 1]; | |
94 | for (cnt = 0; cnt < N - 1; ++cnt) | |
4d1a02ef | 95 | if (pthread_create (&th[cnt], &at, tf, NULL) != 0) |
37c054c7 UD |
96 | { |
97 | puts ("pthread_create failed"); | |
98 | return 1; | |
99 | } | |
100 | ||
4d1a02ef UD |
101 | if (pthread_attr_destroy (&at) != 0) |
102 | { | |
103 | puts ("attr_destroy failed"); | |
104 | return 1; | |
105 | } | |
106 | ||
37c054c7 UD |
107 | tf (NULL); |
108 | ||
109 | for (cnt = 0; cnt < N - 1; ++cnt) | |
110 | if (pthread_join (th[cnt], NULL) != 0) | |
111 | { | |
112 | puts ("pthread_join failed"); | |
113 | return 1; | |
114 | } | |
115 | ||
116 | return 0; | |
117 | } | |
118 | ||
119 | #define TEST_FUNCTION do_test () | |
120 | #include "../test-skeleton.c" |