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d4697bc9 | 1 | /* Copyright (C) 2004-2014 Free Software Foundation, Inc. |
37c054c7 UD |
2 | This file is part of the GNU C Library. |
3 | Contributed by Ulrich Drepper <drepper@redhat.com>, 2004. | |
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 PE |
16 | License along with the GNU C Library; if not, see |
17 | <http://www.gnu.org/licenses/>. */ | |
37c054c7 UD |
18 | |
19 | /* This is a test for behavior not guaranteed by POSIX. */ | |
20 | #include <errno.h> | |
21 | #include <pthread.h> | |
22 | #include <stdio.h> | |
ffaa74cf | 23 | #include <stdlib.h> |
37c054c7 UD |
24 | |
25 | ||
26 | static pthread_barrier_t b1; | |
27 | static pthread_barrier_t b2; | |
28 | ||
29 | ||
30 | #define N 20 | |
31 | ||
32 | static void * | |
33 | tf (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 | ||
64 | static int | |
65 | do_test (void) | |
66 | { | |
4d1a02ef | 67 | pthread_attr_t at; |
37c054c7 UD |
68 | int cnt; |
69 | ||
4d1a02ef UD |
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 | ||
37c054c7 UD |
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) | |
4d1a02ef | 96 | if (pthread_create (&th[cnt], &at, tf, NULL) != 0) |
37c054c7 UD |
97 | { |
98 | puts ("pthread_create failed"); | |
99 | return 1; | |
100 | } | |
101 | ||
4d1a02ef UD |
102 | if (pthread_attr_destroy (&at) != 0) |
103 | { | |
104 | puts ("attr_destroy failed"); | |
105 | return 1; | |
106 | } | |
107 | ||
37c054c7 UD |
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" |