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d4697bc9 | 1 | /* Copyright (C) 2003-2014 Free Software Foundation, Inc. |
defd1870 UD |
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 | |
59ba27a6 PE |
16 | License along with the GNU C Library; if not, see |
17 | <http://www.gnu.org/licenses/>. */ | |
defd1870 UD |
18 | |
19 | #include <pthread.h> | |
20 | #include <stdio.h> | |
21 | #include <stdlib.h> | |
22 | #include <time.h> | |
23 | #include <unistd.h> | |
24 | ||
25 | ||
defd1870 UD |
26 | static pthread_once_t once = PTHREAD_ONCE_INIT; |
27 | ||
28 | static pthread_cond_t cond = PTHREAD_COND_INITIALIZER; | |
29 | static pthread_mutex_t mut = PTHREAD_MUTEX_INITIALIZER; | |
30 | ||
31 | static pthread_barrier_t bar; | |
32 | ||
33 | static int global; | |
3a4d1e1e | 34 | static int cl_called; |
defd1870 UD |
35 | |
36 | static void | |
37 | once_handler1 (void) | |
38 | { | |
39 | if (pthread_mutex_lock (&mut) != 0) | |
40 | { | |
41 | puts ("once_handler1: mutex_lock failed"); | |
42 | exit (1); | |
43 | } | |
44 | ||
45 | int r = pthread_barrier_wait (&bar); | |
46 | if (r != 0 && r!= PTHREAD_BARRIER_SERIAL_THREAD) | |
47 | { | |
48 | puts ("once_handler1: barrier_wait failed"); | |
49 | exit (1); | |
50 | } | |
51 | ||
52 | pthread_cond_wait (&cond, &mut); | |
53 | ||
54 | /* We should never get here. */ | |
55 | } | |
56 | ||
57 | ||
58 | static void | |
59 | once_handler2 (void) | |
60 | { | |
61 | global = 1; | |
62 | } | |
63 | ||
64 | ||
3a4d1e1e UD |
65 | static void |
66 | cl (void *arg) | |
67 | { | |
68 | ++cl_called; | |
69 | } | |
70 | ||
71 | ||
defd1870 UD |
72 | static void * |
73 | tf1 (void *arg) | |
74 | { | |
3a4d1e1e UD |
75 | pthread_cleanup_push (cl, NULL); |
76 | ||
defd1870 UD |
77 | pthread_once (&once, once_handler1); |
78 | ||
3a4d1e1e UD |
79 | pthread_cleanup_pop (0); |
80 | ||
defd1870 UD |
81 | /* We should never get here. */ |
82 | puts ("pthread_once in tf returned"); | |
83 | exit (1); | |
84 | } | |
85 | ||
86 | ||
87 | static void * | |
88 | tf2 (void *arg) | |
89 | { | |
3a4d1e1e UD |
90 | pthread_cleanup_push (cl, NULL); |
91 | ||
defd1870 UD |
92 | int r = pthread_barrier_wait (&bar); |
93 | if (r != 0 && r!= PTHREAD_BARRIER_SERIAL_THREAD) | |
94 | { | |
95 | puts ("once_handler2: barrier_wait failed"); | |
96 | exit (1); | |
97 | } | |
98 | ||
3a4d1e1e UD |
99 | pthread_cleanup_pop (0); |
100 | ||
defd1870 UD |
101 | pthread_once (&once, once_handler2); |
102 | ||
103 | return NULL; | |
104 | } | |
105 | ||
106 | ||
107 | static int | |
108 | do_test (void) | |
109 | { | |
110 | pthread_t th[2]; | |
111 | ||
112 | if (pthread_barrier_init (&bar, NULL, 2) != 0) | |
113 | { | |
114 | puts ("barrier_init failed"); | |
3a4d1e1e | 115 | return 1; |
defd1870 UD |
116 | } |
117 | ||
118 | if (pthread_create (&th[0], NULL, tf1, NULL) != 0) | |
119 | { | |
120 | puts ("first create failed"); | |
3a4d1e1e | 121 | return 1; |
defd1870 UD |
122 | } |
123 | ||
124 | int r = pthread_barrier_wait (&bar); | |
125 | if (r != 0 && r!= PTHREAD_BARRIER_SERIAL_THREAD) | |
126 | { | |
127 | puts ("first barrier_wait failed"); | |
3a4d1e1e | 128 | return 1; |
defd1870 UD |
129 | } |
130 | ||
131 | if (pthread_mutex_lock (&mut) != 0) | |
132 | { | |
133 | puts ("mutex_lock failed"); | |
3a4d1e1e | 134 | return 1; |
defd1870 UD |
135 | } |
136 | /* We unlock the mutex so that we catch the case where the pthread_cond_wait | |
137 | call incorrectly resumes and tries to get the mutex. */ | |
138 | if (pthread_mutex_unlock (&mut) != 0) | |
139 | { | |
140 | puts ("mutex_unlock failed"); | |
3a4d1e1e | 141 | return 1; |
defd1870 UD |
142 | } |
143 | ||
144 | if (pthread_create (&th[1], NULL, tf2, NULL) != 0) | |
145 | { | |
146 | puts ("second create failed"); | |
3a4d1e1e | 147 | return 1; |
defd1870 UD |
148 | } |
149 | ||
150 | r = pthread_barrier_wait (&bar); | |
151 | if (r != 0 && r!= PTHREAD_BARRIER_SERIAL_THREAD) | |
152 | { | |
153 | puts ("second barrier_wait failed"); | |
3a4d1e1e | 154 | return 1; |
defd1870 UD |
155 | } |
156 | ||
157 | /* Give the second thread a chance to reach the pthread_once call. */ | |
158 | sleep (2); | |
159 | ||
160 | /* Cancel the thread. */ | |
161 | if (pthread_cancel (th[0]) != 0) | |
162 | { | |
163 | puts ("cancel failed"); | |
3a4d1e1e | 164 | return 1; |
defd1870 UD |
165 | } |
166 | ||
167 | void *result; | |
168 | pthread_join (th[0], &result); | |
169 | if (result != PTHREAD_CANCELED) | |
170 | { | |
171 | puts ("first join didn't return PTHREAD_CANCELED"); | |
3a4d1e1e | 172 | return 1; |
defd1870 UD |
173 | } |
174 | ||
175 | puts ("joined first thread"); | |
176 | ||
177 | pthread_join (th[1], &result); | |
178 | if (result != NULL) | |
179 | { | |
180 | puts ("second join didn't return PTHREAD_CANCELED"); | |
3a4d1e1e | 181 | return 1; |
defd1870 UD |
182 | } |
183 | ||
184 | if (global != 1) | |
185 | { | |
186 | puts ("global still 0"); | |
3a4d1e1e UD |
187 | return 1; |
188 | } | |
189 | ||
190 | if (cl_called != 1) | |
191 | { | |
192 | printf ("cl_called = %d\n", cl_called); | |
193 | return 1; | |
defd1870 UD |
194 | } |
195 | ||
196 | return 0; | |
197 | } | |
198 | ||
199 | #define TEST_FUNCTION do_test () | |
200 | #define TIMEOUT 4 | |
201 | #include "../test-skeleton.c" |