1 // SPDX-License-Identifier: GPL-2.0
2 #include <liblockdep/mutex.h>
3 #include "common.h"
4
main(void)5 void main(void)
6 {
7 pthread_mutex_t a, b, c, d;
8
9 pthread_mutex_init(&a, NULL);
10 pthread_mutex_init(&b, NULL);
11 pthread_mutex_init(&c, NULL);
12 pthread_mutex_init(&d, NULL);
13
14 LOCK_UNLOCK_2(a, b);
15 LOCK_UNLOCK_2(c, d);
16 LOCK_UNLOCK_2(b, c);
17 LOCK_UNLOCK_2(d, a);
18
19 pthread_mutex_destroy(&d);
20 pthread_mutex_destroy(&c);
21 pthread_mutex_destroy(&b);
22 pthread_mutex_destroy(&a);
23 }
24