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bfff8b1b | 1 | /* Copyright (C) 2002-2017 Free Software Foundation, Inc. |
2a8a8a84 UD |
2 | This file is part of the GNU C Library. |
3 | Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. | |
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/>. */ | |
2a8a8a84 UD |
18 | |
19 | #include <pthread.h> | |
20 | #include <stdio.h> | |
21 | #include <stdlib.h> | |
22 | #include <time.h> | |
23 | ||
24 | ||
25 | #define N 100 | |
26 | ||
27 | static pthread_once_t once = PTHREAD_ONCE_INIT; | |
28 | ||
29 | static pthread_cond_t cond = PTHREAD_COND_INITIALIZER; | |
30 | static pthread_mutex_t mut = PTHREAD_MUTEX_INITIALIZER; | |
31 | ||
32 | static pthread_barrier_t bar; | |
33 | ||
34 | static int global; | |
3a4d1e1e | 35 | static int cl_called; |
2a8a8a84 UD |
36 | |
37 | static void | |
38 | once_handler1 (void) | |
39 | { | |
40 | if (pthread_mutex_lock (&mut) != 0) | |
41 | { | |
42 | puts ("once_handler1: mutex_lock failed"); | |
43 | exit (1); | |
44 | } | |
3a4d1e1e | 45 | puts ("once_handler1: locked"); |
2a8a8a84 UD |
46 | |
47 | int r = pthread_barrier_wait (&bar); | |
48 | if (r != 0 && r!= PTHREAD_BARRIER_SERIAL_THREAD) | |
49 | { | |
50 | puts ("once_handler1: barrier_wait failed"); | |
51 | exit (1); | |
52 | } | |
53 | ||
1bcfb5a5 UD |
54 | puts ("once_handler1: going to wait on cond"); |
55 | ||
2a8a8a84 UD |
56 | pthread_cond_wait (&cond, &mut); |
57 | ||
58 | /* We should never get here. */ | |
3a4d1e1e | 59 | exit (42); |
2a8a8a84 UD |
60 | } |
61 | ||
62 | static void | |
63 | once_handler2 (void) | |
64 | { | |
65 | global = 1; | |
66 | } | |
67 | ||
68 | ||
3a4d1e1e UD |
69 | static void |
70 | cl (void *arg) | |
71 | { | |
72 | cl_called = 1; | |
73 | } | |
74 | ||
75 | ||
2a8a8a84 UD |
76 | static void * |
77 | tf (void *arg) | |
78 | { | |
3a4d1e1e UD |
79 | pthread_cleanup_push (cl, NULL) |
80 | ||
2a8a8a84 UD |
81 | pthread_once (&once, once_handler1); |
82 | ||
3a4d1e1e UD |
83 | pthread_cleanup_pop (0); |
84 | ||
2a8a8a84 UD |
85 | /* We should never get here. */ |
86 | puts ("pthread_once in tf returned"); | |
87 | exit (1); | |
88 | } | |
89 | ||
90 | ||
91 | static int | |
92 | do_test (void) | |
93 | { | |
94 | pthread_t th; | |
95 | ||
96 | if (pthread_barrier_init (&bar, NULL, 2) != 0) | |
97 | { | |
98 | puts ("barrier_init failed"); | |
3a4d1e1e | 99 | return 1; |
2a8a8a84 UD |
100 | } |
101 | ||
102 | if (pthread_create (&th, NULL, tf, NULL) != 0) | |
103 | { | |
104 | puts ("first create failed"); | |
3a4d1e1e | 105 | return 1; |
2a8a8a84 UD |
106 | } |
107 | ||
108 | int r = pthread_barrier_wait (&bar); | |
109 | if (r != 0 && r!= PTHREAD_BARRIER_SERIAL_THREAD) | |
110 | { | |
111 | puts ("barrier_wait failed"); | |
3a4d1e1e | 112 | return 1; |
2a8a8a84 UD |
113 | } |
114 | ||
115 | if (pthread_mutex_lock (&mut) != 0) | |
116 | { | |
117 | puts ("mutex_lock failed"); | |
3a4d1e1e | 118 | return 1; |
2a8a8a84 UD |
119 | } |
120 | /* We unlock the mutex so that we catch the case where the pthread_cond_wait | |
121 | call incorrectly resumes and tries to get the mutex. */ | |
122 | if (pthread_mutex_unlock (&mut) != 0) | |
123 | { | |
124 | puts ("mutex_unlock failed"); | |
3a4d1e1e | 125 | return 1; |
2a8a8a84 UD |
126 | } |
127 | ||
128 | /* Cancel the thread. */ | |
3a4d1e1e | 129 | puts ("going to cancel"); |
2a8a8a84 UD |
130 | if (pthread_cancel (th) != 0) |
131 | { | |
132 | puts ("cancel failed"); | |
3a4d1e1e | 133 | return 1; |
2a8a8a84 UD |
134 | } |
135 | ||
136 | void *result; | |
137 | pthread_join (th, &result); | |
138 | if (result != PTHREAD_CANCELED) | |
139 | { | |
140 | puts ("join didn't return PTHREAD_CANCELED"); | |
3a4d1e1e UD |
141 | return 1; |
142 | } | |
1bcfb5a5 UD |
143 | puts ("joined successfully"); |
144 | ||
145 | printf ("once = %d\n", *(int *) &once); | |
3a4d1e1e UD |
146 | |
147 | if (cl_called != 1) | |
148 | { | |
149 | puts ("cleanup handler not called"); | |
150 | return 1; | |
2a8a8a84 UD |
151 | } |
152 | ||
153 | pthread_once (&once, once_handler2); | |
154 | ||
155 | if (global != 1) | |
156 | { | |
157 | puts ("global still 0"); | |
3a4d1e1e | 158 | return 1; |
2a8a8a84 UD |
159 | } |
160 | ||
161 | return 0; | |
162 | } | |
163 | ||
164 | #define TEST_FUNCTION do_test () | |
165 | #define TIMEOUT 4 | |
166 | #include "../test-skeleton.c" |