treewide: remove redundant IS_ERR() before error code check
[linux/fpc-iii.git] / tools / lib / lockdep / tests / ABBA.c
blob543789bc3e375c1f40d49c5027ad922f44b86ea9
1 // SPDX-License-Identifier: GPL-2.0
2 #include <liblockdep/mutex.h>
3 #include "common.h"
5 void main(void)
7 pthread_mutex_t a, b;
9 pthread_mutex_init(&a, NULL);
10 pthread_mutex_init(&b, NULL);
12 LOCK_UNLOCK_2(a, b);
13 LOCK_UNLOCK_2(b, a);
15 pthread_mutex_destroy(&b);
16 pthread_mutex_destroy(&a);
18 pthread_mutex_init(&a, NULL);
19 pthread_mutex_init(&b, NULL);
21 LOCK_UNLOCK_2(a, b);
22 LOCK_UNLOCK_2(b, a);
24 pthread_mutex_destroy(&b);
25 pthread_mutex_destroy(&a);