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7edb2ae3 UD |
1 | /* Copyright (C) 2003 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. | |
3 | Contributed by Jakub Jelinek <jakub@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/>. */ | |
7edb2ae3 UD |
18 | |
19 | #include <errno.h> | |
20 | #include <pthread.h> | |
21 | #include <stdbool.h> | |
22 | #include <stdio.h> | |
23 | #include <stdlib.h> | |
24 | #include <string.h> | |
25 | #include <time.h> | |
26 | #include <sys/time.h> | |
27 | ||
28 | ||
29 | typedef struct | |
30 | { | |
31 | pthread_cond_t cond; | |
32 | pthread_mutex_t lock; | |
33 | pthread_t h; | |
34 | } T; | |
35 | ||
36 | ||
37 | static volatile bool done; | |
38 | ||
39 | ||
40 | static void * | |
41 | tf (void *arg) | |
42 | { | |
43 | puts ("child created"); | |
44 | ||
a1ea4c06 UD |
45 | if (pthread_setcancelstate (PTHREAD_CANCEL_ENABLE, NULL) != 0 |
46 | || pthread_setcanceltype (PTHREAD_CANCEL_DEFERRED, NULL) != 0) | |
47 | { | |
48 | puts ("cannot set cancellation options"); | |
49 | exit (1); | |
50 | } | |
51 | ||
7edb2ae3 UD |
52 | T *t = (T *) arg; |
53 | ||
54 | if (pthread_mutex_lock (&t->lock) != 0) | |
55 | { | |
56 | puts ("child: lock failed"); | |
57 | exit (1); | |
58 | } | |
59 | ||
60 | done = true; | |
61 | ||
62 | if (pthread_cond_signal (&t->cond) != 0) | |
63 | { | |
64 | puts ("child: cond_signal failed"); | |
65 | exit (1); | |
66 | } | |
67 | ||
68 | if (pthread_cond_wait (&t->cond, &t->lock) != 0) | |
69 | { | |
70 | puts ("child: cond_wait failed"); | |
71 | exit (1); | |
72 | } | |
73 | ||
74 | if (pthread_mutex_unlock (&t->lock) != 0) | |
75 | { | |
76 | puts ("child: unlock failed"); | |
77 | exit (1); | |
78 | } | |
79 | ||
80 | return NULL; | |
81 | } | |
82 | ||
83 | ||
84 | static int | |
85 | do_test (void) | |
86 | { | |
87 | int i; | |
88 | #define N 100 | |
89 | T *t[N]; | |
90 | for (i = 0; i < N; ++i) | |
91 | { | |
92 | printf ("round %d\n", i); | |
93 | ||
94 | t[i] = (T *) malloc (sizeof (T)); | |
95 | if (t[i] == NULL) | |
96 | { | |
97 | puts ("out of memory"); | |
98 | exit (1); | |
99 | } | |
100 | ||
101 | if (pthread_mutex_init (&t[i]->lock, NULL) != 0 | |
102 | || pthread_cond_init (&t[i]->cond, NULL) != 0) | |
103 | { | |
104 | puts ("an _init function failed"); | |
105 | exit (1); | |
106 | } | |
107 | ||
108 | if (pthread_mutex_lock (&t[i]->lock) != 0) | |
109 | { | |
110 | puts ("initial mutex_lock failed"); | |
111 | exit (1); | |
112 | } | |
113 | ||
114 | done = false; | |
115 | ||
116 | if (pthread_create (&t[i]->h, NULL, tf, t[i]) != 0) | |
117 | { | |
118 | puts ("pthread_create failed"); | |
119 | exit (1); | |
120 | } | |
121 | ||
122 | do | |
123 | if (pthread_cond_wait (&t[i]->cond, &t[i]->lock) != 0) | |
124 | { | |
125 | puts ("cond_wait failed"); | |
126 | exit (1); | |
127 | } | |
128 | while (! done); | |
129 | ||
a1ea4c06 UD |
130 | /* Release the lock since the cancel handler will get it. */ |
131 | if (pthread_mutex_unlock (&t[i]->lock) != 0) | |
132 | { | |
133 | puts ("mutex_unlock failed"); | |
134 | exit (1); | |
135 | } | |
136 | ||
7edb2ae3 UD |
137 | if (pthread_cancel (t[i]->h) != 0) |
138 | { | |
139 | puts ("cancel failed"); | |
140 | exit (1); | |
141 | } | |
142 | ||
143 | puts ("parent: joining now"); | |
144 | ||
145 | void *result; | |
146 | if (pthread_join (t[i]->h, &result) != 0) | |
147 | { | |
148 | puts ("join failed"); | |
149 | exit (1); | |
150 | } | |
151 | ||
152 | if (result != PTHREAD_CANCELED) | |
153 | { | |
154 | puts ("result != PTHREAD_CANCELED"); | |
155 | exit (1); | |
156 | } | |
157 | } | |
158 | ||
159 | for (i = 0; i < N; ++i) | |
160 | free (t[i]); | |
161 | ||
162 | return 0; | |
163 | } | |
164 | ||
165 | ||
166 | #define TEST_FUNCTION do_test () | |
167 | #include "../test-skeleton.c" |