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d614a753 | 1 | /* Copyright (C) 2005-2020 Free Software Foundation, Inc. |
11f685f5 UD |
2 | This file is part of the GNU C Library. |
3 | Contributed by Ulrich Drepper <drepper@redhat.com>, 2005. | |
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/>. */ |
11f685f5 UD |
18 | |
19 | #include <errno.h> | |
20 | #include <pthread.h> | |
21 | #include <stdbool.h> | |
22 | #include <stdio.h> | |
ffaa74cf | 23 | #include <stdlib.h> |
11f685f5 UD |
24 | |
25 | ||
26 | static pthread_barrier_t b; | |
27 | static pthread_cond_t c = PTHREAD_COND_INITIALIZER; | |
28 | static pthread_mutex_t m; | |
29 | static bool first = true; | |
30 | ||
31 | ||
32 | static void * | |
33 | tf (void *arg) | |
34 | { | |
35 | long int n = (long int) arg; | |
36 | ||
37 | if (pthread_mutex_lock (&m) != 0) | |
38 | { | |
39 | printf ("thread %ld: mutex_lock failed\n", n + 1); | |
40 | exit (1); | |
41 | } | |
42 | ||
43 | int e = pthread_barrier_wait (&b); | |
44 | if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) | |
45 | { | |
46 | printf ("thread %ld: barrier_wait failed\n", n + 1); | |
47 | exit (1); | |
48 | } | |
49 | ||
50 | e = pthread_cond_wait (&c, &m); | |
51 | if (first) | |
52 | { | |
53 | if (e != 0) | |
54 | { | |
55 | printf ("thread %ld: cond_wait failed\n", n + 1); | |
56 | exit (1); | |
57 | } | |
58 | first = false; | |
59 | } | |
60 | else | |
61 | { | |
62 | if (e != EOWNERDEAD) | |
63 | { | |
64 | printf ("thread %ld: cond_wait did not return EOWNERDEAD\n", n + 1); | |
65 | exit (1); | |
66 | } | |
67 | } | |
68 | ||
69 | if (pthread_cancel (pthread_self ()) != 0) | |
70 | { | |
71 | printf ("thread %ld: cancel failed\n", n + 1); | |
72 | exit (1); | |
73 | } | |
74 | ||
75 | pthread_testcancel (); | |
76 | ||
77 | printf ("thread %ld: testcancel returned\n", n + 1); | |
78 | exit (1); | |
79 | } | |
80 | ||
81 | ||
82 | static int | |
83 | do_test (void) | |
84 | { | |
85 | pthread_mutexattr_t a; | |
86 | if (pthread_mutexattr_init (&a) != 0) | |
87 | { | |
88 | puts ("mutexattr_init failed"); | |
89 | return 1; | |
90 | } | |
91 | ||
92 | if (pthread_mutexattr_setrobust_np (&a, PTHREAD_MUTEX_ROBUST_NP) != 0) | |
93 | { | |
94 | puts ("mutexattr_setrobust failed"); | |
95 | return 1; | |
96 | } | |
97 | ||
df47504c UD |
98 | #ifdef ENABLE_PI |
99 | if (pthread_mutexattr_setprotocol (&a, PTHREAD_PRIO_INHERIT) != 0) | |
11f685f5 | 100 | { |
df47504c UD |
101 | puts ("pthread_mutexattr_setprotocol failed"); |
102 | return 1; | |
103 | } | |
104 | #endif | |
105 | ||
106 | int e; | |
107 | e = pthread_mutex_init (&m, &a); | |
108 | if (e != 0) | |
109 | { | |
110 | #ifdef ENABLE_PI | |
111 | if (e == ENOTSUP) | |
112 | { | |
113 | puts ("PI robust mutexes not supported"); | |
114 | return 0; | |
115 | } | |
116 | #endif | |
11f685f5 UD |
117 | puts ("mutex_init failed"); |
118 | return 1; | |
119 | } | |
120 | ||
121 | if (pthread_mutexattr_destroy (&a) != 0) | |
122 | { | |
123 | puts ("mutexattr_destroy failed"); | |
124 | return 1; | |
125 | } | |
126 | ||
127 | if (pthread_barrier_init (&b, NULL, 2) != 0) | |
128 | { | |
129 | puts ("barrier_init failed"); | |
130 | return 1; | |
131 | } | |
132 | ||
133 | #define N 5 | |
134 | pthread_t th[N]; | |
135 | for (long int n = 0; n < N; ++n) | |
136 | { | |
137 | if (pthread_create (&th[n], NULL, tf, (void *) n) != 0) | |
138 | { | |
139 | printf ("pthread_create loop %ld failed\n", n + 1); | |
140 | return 1; | |
141 | } | |
142 | ||
df47504c | 143 | e = pthread_barrier_wait (&b); |
11f685f5 UD |
144 | if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) |
145 | { | |
146 | printf ("parent: barrier_wait failed in round %ld\n", n + 1); | |
147 | return 1; | |
148 | } | |
149 | } | |
150 | ||
151 | if (pthread_mutex_lock (&m) != 0) | |
152 | { | |
153 | puts ("parent: mutex_lock failed"); | |
154 | return 1; | |
155 | } | |
156 | ||
157 | if (pthread_mutex_unlock (&m) != 0) | |
158 | { | |
159 | puts ("parent: mutex_unlock failed"); | |
160 | return 1; | |
161 | } | |
162 | ||
163 | if (pthread_cond_broadcast (&c) != 0) | |
164 | { | |
165 | puts ("cond_broadcast failed"); | |
166 | return 1; | |
167 | } | |
168 | ||
169 | for (int n = 0; n < N; ++n) | |
170 | { | |
171 | void *res; | |
172 | if (pthread_join (th[n], &res) != 0) | |
173 | { | |
174 | printf ("join round %d failed\n", n + 1); | |
175 | return 1; | |
176 | } | |
177 | if (res != PTHREAD_CANCELED) | |
178 | { | |
179 | printf ("thread %d not canceled\n", n + 1); | |
180 | return 1; | |
181 | } | |
182 | } | |
183 | ||
df47504c | 184 | e = pthread_mutex_lock (&m); |
11f685f5 UD |
185 | if (e == 0) |
186 | { | |
187 | puts ("parent: 2nd mutex_lock succeeded"); | |
188 | return 1; | |
189 | } | |
190 | if (e != EOWNERDEAD) | |
191 | { | |
192 | puts ("parent: mutex_lock did not return EOWNERDEAD"); | |
193 | return 1; | |
194 | } | |
195 | ||
196 | if (pthread_mutex_unlock (&m) != 0) | |
197 | { | |
198 | puts ("parent: 2nd mutex_unlock failed"); | |
199 | return 1; | |
200 | } | |
201 | ||
202 | if (pthread_mutex_destroy (&m) != 0) | |
203 | { | |
204 | puts ("mutex_destroy failed"); | |
205 | return 1; | |
206 | } | |
207 | ||
208 | return 0; | |
209 | } | |
210 | ||
211 | #define TEST_FUNCTION do_test () | |
212 | #include "../test-skeleton.c" |