1/*-
2 * Copyright (c) 2006, David Xu <davidxu@freebsd.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice unmodified, this list of conditions, and the following
10 * disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 *
| 1/*-
2 * Copyright (c) 2006, David Xu <davidxu@freebsd.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice unmodified, this list of conditions, and the following
10 * disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 *
|
36
37int wake;
38int stop;
39
40void *
41thr_routine(void *arg)
42{
43 pthread_mutex_lock(&m);
44 while (wake == 0)
45 pthread_cond_wait(&cv, &m);
46 pthread_mutex_unlock(&m);
47
48 while (stop == 0)
49 pthread_yield();
50 return (NULL);
51}
52
53int main(int argc, char **argv)
54{
55 pthread_t td;
56 int i;
57 void *result;
58
59 pthread_setconcurrency(1);
60 for (i = 0; i < NLOOPS; ++i) {
61 stop = 0;
62 wake = 0;
63
64 pthread_create(&td, NULL, thr_routine, NULL);
65 sleep(1);
66 printf("trying: %d\n", i);
67 pthread_mutex_lock(&m);
68 wake = 1;
69 pthread_cond_signal(&cv);
70 pthread_cancel(td);
71 pthread_mutex_unlock(&m);
72 stop = 1;
73 result = NULL;
74 pthread_join(td, &result);
75 if (result == PTHREAD_CANCELED) {
76 printf("the condition variable implementation does not\n"
77 "conform to SUSv3, a thread unblocked from\n"
78 "condition variable still can be canceled.\n");
79 return (1);
80 }
81 }
82
83 printf("OK\n");
84 return (0);
85}
| 36
37int wake;
38int stop;
39
40void *
41thr_routine(void *arg)
42{
43 pthread_mutex_lock(&m);
44 while (wake == 0)
45 pthread_cond_wait(&cv, &m);
46 pthread_mutex_unlock(&m);
47
48 while (stop == 0)
49 pthread_yield();
50 return (NULL);
51}
52
53int main(int argc, char **argv)
54{
55 pthread_t td;
56 int i;
57 void *result;
58
59 pthread_setconcurrency(1);
60 for (i = 0; i < NLOOPS; ++i) {
61 stop = 0;
62 wake = 0;
63
64 pthread_create(&td, NULL, thr_routine, NULL);
65 sleep(1);
66 printf("trying: %d\n", i);
67 pthread_mutex_lock(&m);
68 wake = 1;
69 pthread_cond_signal(&cv);
70 pthread_cancel(td);
71 pthread_mutex_unlock(&m);
72 stop = 1;
73 result = NULL;
74 pthread_join(td, &result);
75 if (result == PTHREAD_CANCELED) {
76 printf("the condition variable implementation does not\n"
77 "conform to SUSv3, a thread unblocked from\n"
78 "condition variable still can be canceled.\n");
79 return (1);
80 }
81 }
82
83 printf("OK\n");
84 return (0);
85}
|