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1 | /* Copyright (C) 2002, 2003 Free Software Foundation, Inc. |
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 | |
16 | License along with the GNU C Library; if not, write to the Free | |
17 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
18 | 02111-1307 USA. */ | |
19 | ||
20 | #include <pthread.h> | |
21 | #include <stdio.h> | |
22 | #include <stdlib.h> | |
23 | #include <time.h> | |
24 | ||
25 | ||
26 | #define N 100 | |
27 | ||
28 | static pthread_once_t once = PTHREAD_ONCE_INIT; | |
29 | ||
30 | static pthread_cond_t cond = PTHREAD_COND_INITIALIZER; | |
31 | static pthread_mutex_t mut = PTHREAD_MUTEX_INITIALIZER; | |
32 | ||
33 | static pthread_barrier_t bar; | |
34 | ||
35 | static int global; | |
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 | } | |
45 | ||
46 | int r = pthread_barrier_wait (&bar); | |
47 | if (r != 0 && r!= PTHREAD_BARRIER_SERIAL_THREAD) | |
48 | { | |
49 | puts ("once_handler1: barrier_wait failed"); | |
50 | exit (1); | |
51 | } | |
52 | ||
53 | pthread_cond_wait (&cond, &mut); | |
54 | ||
55 | /* We should never get here. */ | |
56 | } | |
57 | ||
58 | static void | |
59 | once_handler2 (void) | |
60 | { | |
61 | global = 1; | |
62 | } | |
63 | ||
64 | ||
65 | static void * | |
66 | tf (void *arg) | |
67 | { | |
68 | pthread_once (&once, once_handler1); | |
69 | ||
70 | /* We should never get here. */ | |
71 | puts ("pthread_once in tf returned"); | |
72 | exit (1); | |
73 | } | |
74 | ||
75 | ||
76 | static int | |
77 | do_test (void) | |
78 | { | |
79 | pthread_t th; | |
80 | ||
81 | if (pthread_barrier_init (&bar, NULL, 2) != 0) | |
82 | { | |
83 | puts ("barrier_init failed"); | |
84 | exit (1); | |
85 | } | |
86 | ||
87 | if (pthread_create (&th, NULL, tf, NULL) != 0) | |
88 | { | |
89 | puts ("first create failed"); | |
90 | exit (1); | |
91 | } | |
92 | ||
93 | int r = pthread_barrier_wait (&bar); | |
94 | if (r != 0 && r!= PTHREAD_BARRIER_SERIAL_THREAD) | |
95 | { | |
96 | puts ("barrier_wait failed"); | |
97 | exit (1); | |
98 | } | |
99 | ||
100 | if (pthread_mutex_lock (&mut) != 0) | |
101 | { | |
102 | puts ("mutex_lock failed"); | |
103 | exit (1); | |
104 | } | |
105 | /* We unlock the mutex so that we catch the case where the pthread_cond_wait | |
106 | call incorrectly resumes and tries to get the mutex. */ | |
107 | if (pthread_mutex_unlock (&mut) != 0) | |
108 | { | |
109 | puts ("mutex_unlock failed"); | |
110 | exit (1); | |
111 | } | |
112 | ||
113 | /* Cancel the thread. */ | |
114 | if (pthread_cancel (th) != 0) | |
115 | { | |
116 | puts ("cancel failed"); | |
117 | exit (1); | |
118 | } | |
119 | ||
120 | void *result; | |
121 | pthread_join (th, &result); | |
122 | if (result != PTHREAD_CANCELED) | |
123 | { | |
124 | puts ("join didn't return PTHREAD_CANCELED"); | |
125 | exit (1); | |
126 | } | |
127 | ||
128 | pthread_once (&once, once_handler2); | |
129 | ||
130 | if (global != 1) | |
131 | { | |
132 | puts ("global still 0"); | |
133 | exit (1); | |
134 | } | |
135 | ||
136 | return 0; | |
137 | } | |
138 | ||
139 | #define TEST_FUNCTION do_test () | |
140 | #define TIMEOUT 4 | |
141 | #include "../test-skeleton.c" |