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1/* Copyright (C) 2003-2019 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
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
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
18
19#include <error.h>
20#include <pthread.h>
21#include <stdbool.h>
22#include <stdio.h>
23#include <stdlib.h>
24
25
26#define N 10
27#define ROUNDS 100
28
29static pthread_cond_t cond = PTHREAD_COND_INITIALIZER;
30static pthread_mutex_t mut = PTHREAD_MUTEX_INITIALIZER;
31static pthread_barrier_t bN1;
32static pthread_barrier_t b2;
33
34
35static void *
36tf (void *p)
37{
38 if (pthread_mutex_lock (&mut) != 0)
39 {
40 puts ("child: 1st mutex_lock failed");
41 exit (1);
42 }
43
44 int e = pthread_barrier_wait (&b2);
45 if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
46 {
47 puts ("child: 1st barrier_wait failed");
48 exit (1);
49 }
50
51 if (pthread_cond_wait (&cond, &mut) != 0)
52 {
53 puts ("child: cond_wait failed");
54 exit (1);
55 }
56
57 if (pthread_mutex_unlock (&mut) != 0)
58 {
59 puts ("child: mutex_unlock failed");
60 exit (1);
61 }
62
63 e = pthread_barrier_wait (&bN1);
64 if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
65 {
66 puts ("child: 2nd barrier_wait failed");
67 exit (1);
68 }
69
70 return NULL;
71}
72
73
74static int
75do_test (void)
76{
77 if (pthread_barrier_init (&bN1, NULL, N + 1) != 0)
78 {
79 puts ("barrier_init failed");
80 exit (1);
81 }
82
83 if (pthread_barrier_init (&b2, NULL, 2) != 0)
84 {
85 puts ("barrier_init failed");
86 exit (1);
87 }
88
89 pthread_attr_t at;
90
91 if (pthread_attr_init (&at) != 0)
92 {
93 puts ("attr_init failed");
94 return 1;
95 }
96
97 if (pthread_attr_setstacksize (&at, 1 * 1024 * 1024) != 0)
98 {
99 puts ("attr_setstacksize failed");
100 return 1;
101 }
102
103 int r;
104 for (r = 0; r < ROUNDS; ++r)
105 {
106 printf ("round %d\n", r + 1);
107
108 int i;
109 pthread_t th[N];
110 for (i = 0; i < N; ++i)
111 {
112 if (pthread_create (&th[i], &at, tf, NULL) != 0)
113 {
114 puts ("create failed");
115 exit (1);
116 }
117
118 int e = pthread_barrier_wait (&b2);
119 if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
120 {
121 puts ("parent: 1st barrier_wait failed");
122 exit (1);
123 }
124 }
125
126 if (pthread_mutex_lock (&mut) != 0)
127 {
128 puts ("parent: mutex_lock failed");
129 exit (1);
130 }
131 if (pthread_mutex_unlock (&mut) != 0)
132 {
133 puts ("parent: mutex_unlock failed");
134 exit (1);
135 }
136
137 /* N single signal calls. Without locking. This tests that no
138 signal gets lost. */
139 for (i = 0; i < N; ++i)
140 if (pthread_cond_signal (&cond) != 0)
141 {
142 puts ("cond_signal failed");
143 exit (1);
144 }
145
146 int e = pthread_barrier_wait (&bN1);
147 if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
148 {
149 puts ("parent: 2nd barrier_wait failed");
150 exit (1);
151 }
152
153 for (i = 0; i < N; ++i)
154 if (pthread_join (th[i], NULL) != 0)
155 {
156 puts ("join failed");
157 exit (1);
158 }
159 }
160
161 if (pthread_attr_destroy (&at) != 0)
162 {
163 puts ("attr_destroy failed");
164 return 1;
165 }
166
167 return 0;
168}
169
170
171#define TEST_FUNCTION do_test ()
172#include "../test-skeleton.c"
173

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