1#include <liblockdep/rwlock.h>
2
3void main(void)
4{
5	pthread_rwlock_t a, b;
6
7	pthread_rwlock_init(&a, NULL);
8	pthread_rwlock_init(&b, NULL);
9
10	pthread_rwlock_wrlock(&a);
11	pthread_rwlock_rdlock(&b);
12	pthread_rwlock_wrlock(&a);
13}
14